diff options
| -rw-r--r-- | board/ep8260/ep8260.c | 310 | ||||
| -rw-r--r-- | board/eric/eric.c | 195 | ||||
| -rw-r--r-- | board/esd/adciop/adciop.c | 97 | ||||
| -rw-r--r-- | board/esd/dasa_sim/dasa_sim.c | 224 | ||||
| -rw-r--r-- | board/esd/ocrtc/ocrtc.c | 127 | ||||
| -rw-r--r-- | board/esteem192e/esteem192e.c | 318 | ||||
| -rw-r--r-- | board/etx094/etx094.c | 418 | ||||
| -rw-r--r-- | board/flagadm/flagadm.c | 150 | ||||
| -rw-r--r-- | board/gth/gth.c | 595 | ||||
| -rw-r--r-- | board/hermes/hermes.c | 637 | ||||
| -rw-r--r-- | board/hymod/bsp.c | 307 | ||||
| -rw-r--r-- | board/hymod/hymod.c | 802 | ||||
| -rw-r--r-- | board/icu862/icu862.c | 246 | ||||
| -rw-r--r-- | board/ip860/ip860.c | 293 | ||||
| -rw-r--r-- | board/iphase4539/iphase4539.c | 458 | ||||
| -rw-r--r-- | board/ivm/ivm.c | 382 | ||||
| -rw-r--r-- | board/lantec/lantec.c | 236 | ||||
| -rw-r--r-- | board/mousse/mousse.c | 86 | 
18 files changed, 5881 insertions, 0 deletions
| diff --git a/board/ep8260/ep8260.c b/board/ep8260/ep8260.c new file mode 100644 index 000000000..dc33edb86 --- /dev/null +++ b/board/ep8260/ep8260.c @@ -0,0 +1,310 @@ +/* + * (C) Copyright 2001, 2002 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * (C) Copyright 2002 + * Frank Panno <fpanno@delphintech.com>, Delphin Technology AG + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <common.h> +#include <ioports.h> +#include <mpc8260.h> +#include "ep8260.h" +/* + * I/O Port configuration table + * + * if conf is 1, then that port pin will be configured at boot time + * according to the five values podr/pdir/ppar/psor/pdat for that entry + */ + +const iop_conf_t iop_conf_tab[4][32] = { + +    /* Port A configuration */ +    {	/*	      conf ppar psor pdir podr pdat */ +	/* PA31 */ {   0,   0,   0,   1,   0,   0   }, /*  */ +	/* PA30 */ {   0,   0,   0,   1,   0,   0   }, /*  */ +	/* PA29 */ {   0,   0,   0,   1,   0,   0   }, /*  */ +	/* PA28 */ {   0,   0,   0,   1,   0,   0   }, /*  */ +	/* PA27 */ {   0,   0,   0,   1,   0,   0   }, /*  */ +	/* PA26 */ {   0,   0,   0,   1,   0,   0   }, /*  */ +	/* PA25 */ {   0,   0,   0,   1,   0,   0   }, /*  */ +	/* PA24 */ {   0,   0,   0,   1,   0,   0   }, /*  */ +	/* PA23 */ {   0,   0,   0,   1,   0,   0   }, /*  */ +	/* PA22 */ {   0,   0,   0,   1,   0,   0   }, /*  */ +	/* PA21 */ {   0,   0,   0,   1,   0,   0   }, /*  */ +	/* PA20 */ {   0,   0,   0,   1,   0,   0   }, /*  */ +	/* PA19 */ {   0,   0,   0,   1,   0,   0   }, /*  */ +	/* PA18 */ {   0,   0,   0,   1,   0,   0   }, /*  */ +	/* PA17 */ {   0,   0,   0,   1,   0,   0   }, /*  */ +	/* PA16 */ {   0,   0,   0,   1,   0,   0   }, /*  */ +	/* PA15 */ {   0,   0,   0,   1,   0,   0   }, /*  */ +	/* PA14 */ {   0,   0,   0,   1,   0,   0   }, /*  */ +	/* PA13 */ {   0,   0,   0,   1,   0,   0   }, /*  */ +	/* PA12 */ {   0,   0,   0,   1,   0,   0   }, /*  */ +	/* PA11 */ {   0,   0,   0,   1,   0,   0   }, /*  */ +	/* PA10 */ {   0,   0,   0,   1,   0,   0   }, /*  */ +	/* PA9  */ {   0,   1,   0,   1,   0,   0   }, /*  */ +	/* PA8  */ {   0,   1,   0,   0,   0,   0   }, /*  */ +	/* PA7  */ {   0,   0,   0,   1,   0,   0   }, /* PA7 */ +	/* PA6  */ {   0,   0,   0,   1,   0,   0   }, /* PA6 */ +	/* PA5  */ {   0,   0,   0,   1,   0,   0   }, /* PA5 */ +	/* PA4  */ {   0,   0,   0,   1,   0,   0   }, /* PA4 */ +	/* PA3  */ {   0,   0,   0,   1,   0,   0   }, /* PA3 */ +	/* PA2  */ {   0,   0,   0,   1,   0,   0   }, /* PA2 */ +	/* PA1  */ {   0,   0,   0,   1,   0,   0   }, /* PA1 */ +	/* PA0  */ {   0,   0,   0,   1,   0,   0   }  /* PA0 */ +    }, + +    /* Port B configuration */ +    {   /*	      conf ppar psor pdir podr pdat */ +	/* PB31 */ {   0,   1,   0,   1,   0,   0   }, /*  */ +	/* PB30 */ {   0,   1,   0,   0,   0,   0   }, /*  */ +	/* PB29 */ {   0,   1,   1,   1,   0,   0   }, /*  */ +	/* PB28 */ {   0,   1,   0,   0,   0,   0   }, /*  */ +	/* PB27 */ {   0,   1,   0,   0,   0,   0   }, /*  */ +	/* PB26 */ {   0,   1,   0,   0,   0,   0   }, /*  */ +	/* PB25 */ {   0,   1,   0,   1,   0,   0   }, /*  */ +	/* PB24 */ {   0,   1,   0,   1,   0,   0   }, /*  */ +	/* PB23 */ {   0,   1,   0,   1,   0,   0   }, /*  */ +	/* PB22 */ {   0,   1,   0,   1,   0,   0   }, /*  */ +	/* PB21 */ {   0,   1,   0,   0,   0,   0   }, /*  */ +	/* PB20 */ {   0,   1,   0,   0,   0,   0   }, /*  */ +	/* PB19 */ {   0,   1,   0,   0,   0,   0   }, /*  */ +	/* PB18 */ {   0,   1,   0,   0,   0,   0   }, /*  */ +	/* PB17 */ {   1,   1,   0,   0,   0,   0   }, /* FCC3 MII RX_DV */ +	/* PB16 */ {   1,   1,   0,   0,   0,   0   }, /* FCC3 MII RX_ER */ +	/* PB15 */ {   1,   1,   0,   1,   0,   0   }, /* FCC3 MII TX_ER */ +	/* PB14 */ {   1,   1,   0,   1,   0,   0   }, /* FCC3 MII TX_EN */ +	/* PB13 */ {   1,   1,   0,   0,   0,   0   }, /* FCC3 MII COL */ +	/* PB12 */ {   1,   1,   0,   0,   0,   0   }, /* FCC3 MII CRS */ +	/* PB11 */ {   1,   1,   0,   0,   0,   0   }, /* FCC3 MII RxD[3] */ +	/* PB10 */ {   1,   1,   0,   0,   0,   0   }, /* FCC3 MII RxD[2] */ +	/* PB9  */ {   1,   1,   0,   0,   0,   0   }, /* FCC3 MII RxD[1] */ +	/* PB8  */ {   1,   1,   0,   0,   0,   0   }, /* FCC3 MII RxD[0] */ +	/* PB7  */ {   0,   0,   0,   0,   0,   0   }, /* PB7 */ +	/* PB6  */ {   1,   1,   0,   1,   0,   0   }, /* FCC3 MII TxD[1] */ +	/* PB5  */ {   1,   1,   0,   1,   0,   0   }, /* FCC3 MII TxD[2] */ +	/* PB4  */ {   1,   1,   0,   1,   0,   0   }, /* FCC3 MII TxD[3] */ +	/* PB3  */ {   0,   0,   0,   0,   0,   0   }, /* pin doesn't exist */ +	/* PB2  */ {   0,   0,   0,   0,   0,   0   }, /* pin doesn't exist */ +	/* PB1  */ {   0,   0,   0,   0,   0,   0   }, /* pin doesn't exist */ +	/* PB0  */ {   0,   0,   0,   0,   0,   0   }  /* pin doesn't exist */ +    }, + +    /* Port C */ +    {   /*	      conf ppar psor pdir podr pdat */ +	/* PC31 */ {   0,   0,   0,   1,   0,   0   }, /* PC31 */ +	/* PC30 */ {   0,   0,   0,   1,   0,   0   }, /* PC30 */ +	/* PC29 */ {   0,   1,   1,   0,   0,   0   }, /*  */ +	/* PC28 */ {   0,   0,   0,   1,   0,   0   }, /* PC28 */ +	/* PC27 */ {   1,   1,   0,   1,   0,   0   }, /* FCC3 MII TxD[0] */ +	/* PC26 */ {   0,   0,   0,   1,   0,   0   }, /* PC26 */ +	/* PC25 */ {   0,   0,   0,   1,   0,   0   }, /* PC25 */ +	/* PC24 */ {   0,   0,   0,   1,   0,   0   }, /* PC24 */ +	/* PC23 */ {   0,   1,   0,   1,   0,   0   }, /*  */ +	/* PC22 */ {   0,   1,   0,   0,   0,   0   }, /*  */ +	/* PC21 */ {   0,   1,   0,   0,   0,   0   }, /*  */ +	/* PC20 */ {   0,   1,   0,   0,   0,   0   }, /*  */ +	/* PC19 */ {   0,   1,   0,   0,   0,   0   }, /*  */ +	/* PC18 */ {   0,   1,   0,   0,   0,   0   }, /*  */ +	/* PC17 */ {   1,   1,   0,   0,   0,   0   }, /* FCC3 MII CLK15 */ +	/* PC16 */ {   1,   1,   0,   0,   0,   0   }, /* FCC3 MII CLK16 */ +	/* PC15 */ {   0,   0,   0,   1,   0,   0   }, /* PC15 */ +	/* PC14 */ {   0,   1,   0,   0,   0,   0   }, /*  */ +	/* PC13 */ {   0,   0,   0,   1,   0,   0   }, /* PC13 */ +	/* PC12 */ {   0,   0,   0,   1,   0,   0   }, /* PC12 */ +	/* PC11 */ {   0,   0,   0,   1,   0,   0   }, /* PC11 */ +	/* PC10 */ {   0,   0,   0,   1,   0,   0   }, /*  */ +	/* PC9  */ {   0,   0,   0,   1,   0,   0   }, /*  */ +	/* PC8  */ {   0,   0,   0,   1,   0,   0   }, /* PC8 */ +	/* PC7  */ {   0,   0,   0,   1,   0,   0   }, /* PC7 */ +	/* PC6  */ {   0,   0,   0,   1,   0,   0   }, /* PC6 */ +	/* PC5  */ {   0,   0,   0,   1,   0,   0   }, /* PC5 */ +	/* PC4  */ {   0,   0,   0,   1,   0,   0   }, /* PC4 */ +	/* PC3  */ {   0,   0,   0,   1,   0,   0   }, /* PC3 */ +	/* PC2  */ {   0,   0,   0,   1,   0,   1   }, /*  */ +	/* PC1  */ {   0,   0,   0,   1,   0,   0   }, /*  */ +	/* PC0  */ {   0,   0,   0,   1,   0,   0   }, /*  */ +    }, + +    /* Port D */ +    {   /*	      conf ppar psor pdir podr pdat */ +	/* PD31 */ {   0,   1,   0,   0,   0,   0   }, /*  */ +	/* PD30 */ {   0,   1,   1,   1,   0,   0   }, /*  */ +	/* PD29 */ {   0,   1,   0,   1,   0,   0   }, /*  */ +	/* PD28 */ {   0,   0,   0,   1,   0,   0   }, /* PD28 */ +	/* PD27 */ {   0,   0,   0,   1,   0,   0   }, /* PD27 */ +	/* PD26 */ {   0,   0,   0,   1,   0,   0   }, /* PD26 */ +	/* PD25 */ {   0,   0,   0,   1,   0,   0   }, /* PD25 */ +	/* PD24 */ {   0,   0,   0,   1,   0,   0   }, /* PD24 */ +	/* PD23 */ {   0,   0,   0,   1,   0,   0   }, /* PD23 */ +	/* PD22 */ {   0,   0,   0,   1,   0,   0   }, /* PD22 */ +	/* PD21 */ {   0,   0,   0,   1,   0,   0   }, /* PD21 */ +	/* PD20 */ {   0,   0,   0,   1,   0,   0   }, /* PD20 */ +	/* PD19 */ {   0,   0,   0,   1,   0,   0   }, /* PD19 */ +	/* PD18 */ {   0,   0,   0,   1,   0,   0   }, /* PD19 */ +	/* PD17 */ {   0,   1,   0,   0,   0,   0   }, /*  */ +	/* PD16 */ {   0,   1,   0,   1,   0,   0   }, /*  */ +	/* PD15 */ {   1,   1,   1,   0,   1,   0   }, /* I2C SDA */ +	/* PD14 */ {   1,   1,   1,   0,   1,   0   }, /* I2C SCL */ +	/* PD13 */ {   0,   0,   0,   0,   0,   0   }, /* PD13 */ +	/* PD12 */ {   0,   0,   0,   0,   0,   0   }, /* PD12 */ +	/* PD11 */ {   0,   0,   0,   0,   0,   0   }, /* PD11 */ +	/* PD10 */ {   0,   0,   0,   0,   0,   0   }, /* PD10 */ +	/* PD9  */ {   1,   1,   0,   1,   0,   0   }, /* SMC1 TXD */ +	/* PD8  */ {   1,   1,   0,   0,   0,   0   }, /* SMC1 RXD */ +	/* PD7  */ {   0,   0,   0,   1,   0,   1   }, /* PD7 */ +	/* PD6  */ {   0,   0,   0,   1,   0,   1   }, /* PD6 */ +	/* PD5  */ {   0,   0,   0,   1,   0,   1   }, /* PD5 */ +	/* PD4  */ {   0,   0,   0,   1,   0,   1   }, /* PD4 */ +	/* PD3  */ {   0,   0,   0,   0,   0,   0   }, /* pin doesn't exist */ +	/* PD2  */ {   0,   0,   0,   0,   0,   0   }, /* pin doesn't exist */ +	/* PD1  */ {   0,   0,   0,   0,   0,   0   }, /* pin doesn't exist */ +	/* PD0  */ {   0,   0,   0,   0,   0,   0   }  /* pin doesn't exist */ +    } +}; + +/* ------------------------------------------------------------------------- */ + +/* + * Setup CS4 to enable the Board Control/Status registers. + * Otherwise the smcs won't work. +*/ +int board_pre_init (void) +{ +    volatile t_ep_regs *regs = (t_ep_regs*)CFG_REGS_BASE; +    volatile immap_t *immap  = (immap_t *)CFG_IMMR; +    volatile memctl8260_t *memctl = &immap->im_memctl; +    memctl->memc_br4 = CFG_BR4_PRELIM; +    memctl->memc_or4 = CFG_OR4_PRELIM; +    regs->bcsr1 = 0x62; /* to enable terminal on SMC1 */ +    regs->bcsr2 = 0x30;	/* enable NVRAM and writing FLASH */ +    return 0; +} + +void +reset_phy(void) +{ +    volatile t_ep_regs *regs = (t_ep_regs*)CFG_REGS_BASE; +    regs->bcsr4 = 0xC0; +} + +/* + * Check Board Identity: + * I don' know, how the next board revisions will be coded. + * Thats why its a static interpretation ... +*/ + +int +checkboard(void) +{ +	volatile t_ep_regs *regs = (t_ep_regs*)CFG_REGS_BASE; +	uint major=0, minor=0; +	switch (regs->bcsr0) { +		case 0x02: major = 1; break; +		case 0x03: major = 1; minor = 1; break; +		default: break; +	} +	printf ("Board: Embedded Planet EP8260, Revision %d.%d\n", +		major, minor); +	return 0; +} + + +/* ------------------------------------------------------------------------- */ + + +long int +initdram(int board_type) +{ +	volatile immap_t *immap  = (immap_t *)CFG_IMMR; +	volatile memctl8260_t *memctl = &immap->im_memctl; +	volatile uchar c = 0; +	volatile uchar *ramaddr = (uchar *)(CFG_SDRAM_BASE) + 0x110; +/* +	ulong psdmr = CFG_PSDMR; +#ifdef CFG_LSDRAM +	ulong lsdmr = CFG_LSDMR; +#endif +*/ +	long size = CFG_SDRAM0_SIZE; +	int i; + + +/* +* Quote from 8260 UM (10.4.2 SDRAM Power-On Initialization, 10-35): +* +* "At system reset, initialization software must set up the +*  programmable parameters in the memory controller banks registers +*  (ORx, BRx, P/LSDMR). After all memory parameters are configured, +*  system software should execute the following initialization sequence +*  for each SDRAM device. +* +*  1. Issue a PRECHARGE-ALL-BANKS command +*  2. Issue eight CBR REFRESH commands +*  3. Issue a MODE-SET command to initialize the mode register +* +*  The initial commands are executed by setting P/LSDMR[OP] and +*  accessing the SDRAM with a single-byte transaction." +* +* The appropriate BRx/ORx registers have already been set when we +* get here. The SDRAM can be accessed at the address CFG_SDRAM_BASE. +*/ + +	memctl->memc_psrt = CFG_PSRT; +	memctl->memc_mptpr = CFG_MPTPR; + +	memctl->memc_psdmr = (ulong) CFG_PSDMR | PSDMR_OP_PREA; +	*ramaddr = c; + +	memctl->memc_psdmr = (ulong) CFG_PSDMR | PSDMR_OP_CBRR; +	for (i = 0; i < 8; i++) +		*ramaddr = c; + +	memctl->memc_psdmr = (ulong) CFG_PSDMR | PSDMR_OP_MRW; +	*ramaddr = c; + +	memctl->memc_psdmr = (ulong) CFG_PSDMR | PSDMR_OP_NORM | PSDMR_RFEN; +	*ramaddr = c; + +#ifndef CFG_RAMBOOT +#ifdef CFG_LSDRAM +	size += CFG_SDRAM1_SIZE; +	ramaddr = (uchar *)(CFG_SDRAM1_BASE) + 0x8c; +	memctl->memc_lsrt = CFG_LSRT; + +	memctl->memc_lsdmr = (ulong) CFG_LSDMR | PSDMR_OP_PREA; +	*ramaddr = c; + +	memctl->memc_lsdmr = (ulong) CFG_LSDMR | PSDMR_OP_CBRR; +	for (i = 0; i < 8; i++) +		*ramaddr = c; + +	memctl->memc_lsdmr = (ulong) CFG_LSDMR | PSDMR_OP_MRW; +	*ramaddr = c; + +	memctl->memc_lsdmr = (ulong) CFG_LSDMR | PSDMR_OP_NORM | PSDMR_RFEN; +	*ramaddr = c; +#endif /* CFG_LSDRAM */ +#endif /* CFG_RAMBOOT */ +	return (size * 1024 * 1024); +} + diff --git a/board/eric/eric.c b/board/eric/eric.c new file mode 100644 index 000000000..17fe6acea --- /dev/null +++ b/board/eric/eric.c @@ -0,0 +1,195 @@ +/* + * (C) Copyright 2001 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <common.h> +#include <i2c.h> +#include "eric.h" +#include <asm/processor.h> + +#define IBM405GP_GPIO0_OR      0xef600700	/* GPIO Output */ +#define IBM405GP_GPIO0_TCR     0xef600704	/* GPIO Three-State Control */ +#define IBM405GP_GPIO0_ODR     0xef600718	/* GPIO Open Drain */ +#define IBM405GP_GPIO0_IR      0xef60071c	/* GPIO Input */ + +int board_pre_init (void) +{ + +   /*-------------------------------------------------------------------------+ +   | Interrupt controller setup for the ERIC board. +   | Note: IRQ 0-15  405GP internally generated; active high; level sensitive +   |       IRQ 16    405GP internally generated; active low; level sensitive +   |       IRQ 17-24 RESERVED +   |       IRQ 25 (EXT IRQ 0) FLASH; active low; level sensitive +   |       IRQ 26 (EXT IRQ 1) PHY ; active low; level sensitive +   |       IRQ 27 (EXT IRQ 2) HOST FAIL, active low; level sensitive +   |                          indicates NO Power or HOST RESET active +   |                          check GPIO7 (HOST RESET#) and GPIO8 (NO Power#) +   |                          for real IRQ source +   |       IRQ 28 (EXT IRQ 3) HOST; active high; level sensitive +   |       IRQ 29 (EXT IRQ 4) PCI INTC#; active low; level sensitive +   |       IRQ 30 (EXT IRQ 5) PCI INTB#; active low; level sensitive +   |       IRQ 31 (EXT IRQ 6) PCI INTA#; active low; level sensitive +   |        -> IRQ6 Pin is NOW GPIO23 and can be activateted by setting +   |           IBM405GP_GPIO0_TCR Bit 0 = 1 (driving the output as defined in IBM405GP_GPIO0_OR, +   |           else tristate) +   | Note for ERIC board: +   |       An interrupt taken for the HOST (IRQ 28) indicates that +   |       the HOST wrote a "1" to one of the following locations +   |       - VGA CRT_GPIO0 (if R1216 is loaded) +   |       - VGA CRT_GPIO1 (if R1217 is loaded) +   | +   +-------------------------------------------------------------------------*/ + +	mtdcr (uicsr, 0xFFFFFFFF);	/* clear all ints */ +	mtdcr (uicer, 0x00000000);	/* disable all ints */ +	mtdcr (uiccr, 0x00000000);	/* set all SMI to be non-critical */ +	mtdcr (uicpr, 0xFFFFFF88);	/* set int polarities; IRQ3 to 1 */ +	mtdcr (uictr, 0x10000000);	/* set int trigger levels, UART0 is EDGE */ +	mtdcr (uicvcr, 0x00000001);	/* set vect base=0,INT0 highest priority */ +	mtdcr (uicsr, 0xFFFFFFFF);	/* clear all ints */ + +	mtdcr (cntrl0, 0x00002000);	/* set IRQ6 as GPIO23 to generate an interrupt request to the PCP2PCI bridge */ + +	out32 (IBM405GP_GPIO0_OR, 0x60000000);	/*fixme is SMB_INT high or low active??; IRQ6 is GPIO23 output */ +	out32 (IBM405GP_GPIO0_TCR, 0x7E400000); + +	return 0; +} + + +/* ------------------------------------------------------------------------- */ + +/* + * Check Board Identity: + */ + +int checkboard (void) +{ +	unsigned char *s = getenv ("serial#"); +	unsigned char *e; + +	puts ("Board: "); + +	if (!s || strncmp (s, "ERIC", 9)) { +		puts ("### No HW ID - assuming ERIC"); +	} else { +		for (e = s; *e; ++e) { +			if (*e == ' ') +				break; +		} + +		for (; s < e; ++s) { +			putc (*s); +		} +	} + + +	putc ('\n'); + +	return (0); +} + + +/* ------------------------------------------------------------------------- */ +/* ------------------------------------------------------------------------- */ +/* ------------------------------------------------------------------------- */ +/* +  initdram(int board_type) reads EEPROM via I2c. EEPROM contains all of +  the necessary info for SDRAM controller configuration +*/ +/* ------------------------------------------------------------------------- */ +/* ------------------------------------------------------------------------- */ +long int initdram (int board_type) +{ +#ifndef CONFIG_ERIC +	int i; +	unsigned char datain[128]; +	int TotalSize; +#endif + + +#ifdef CONFIG_ERIC +	/* +	 * we have no EEPROM on ERIC +	 * so let init.S do the init job for SDRAM +	 * and simply return 32MByte here +	 */ +	return (CFG_SDRAM_SIZE * 1024 * 1024); +#else + +	/* Read Serial Presence Detect Information */ +	for (i = 0; i < 128; i++) +		datain[i] = 127; +	i2c_send (SPD_EEPROM_ADDRESS, 0, 1, datain, 128); +	printf ("\nReading DIMM...\n"); +#if 0 +	for (i = 0; i < 128; i++) { +		printf ("%d=0x%x ", i, datain[i]); +		if (((i + 1) % 10) == 0) +			printf ("\n"); +	} +	printf ("\n"); +#endif + +  /*****************************/ +	/* Retrieve interesting data */ +  /*****************************/ +	/* size of a SDRAM bank */ +	/* Number of bytes per side / number of banks per side */ +	if (datain[31] == 0x08) +		TotalSize = 32; +	else if (datain[31] == 0x10) +		TotalSize = 64; +	else { +		printf ("IIC READ ERROR!!!\n"); +		TotalSize = 32; +	} + +	/* single-sided DIMM or double-sided DIMM? */ +	if (datain[5] != 1) { +		/* double-sided DIMM => SDRAM banks 0..3 are valid */ +		printf ("double-sided DIMM\n"); +		TotalSize *= 2; +	} +	/* else single-sided DIMM => SDRAM bank 0 and bank 2 are valid */ +	else { +		printf ("single-sided DIMM\n"); +	} + + +	/* return size in Mb unit => *(1024*1024) */ +	return (TotalSize * 1024 * 1024); +#endif +} + +/* ------------------------------------------------------------------------- */ + +int testdram (void) +{ +	/* TODO: XXX XXX XXX */ +	printf ("test: xxx MB - ok\n"); + +	return (0); +} + +/* ------------------------------------------------------------------------- */ diff --git a/board/esd/adciop/adciop.c b/board/esd/adciop/adciop.c new file mode 100644 index 000000000..0c12e987f --- /dev/null +++ b/board/esd/adciop/adciop.c @@ -0,0 +1,97 @@ +/* + * (C) Copyright 2000 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <common.h> +#include "adciop.h" + +/* ------------------------------------------------------------------------- */ + +#define	_NOT_USED_	0xFFFFFFFF + +/* ------------------------------------------------------------------------- */ + + +int board_pre_init (void) +{ +	/* +	 * Set port pin in escc2 to keep living, and configure user led output +	 */ +	*(unsigned char *) 0x2000033e = 0x77;	/* ESCC2: PCR bit3=pwr on, bit7=led out */ +	*(unsigned char *) 0x2000033c = 0x88;	/* ESCC2: PVR pwr on, led off */ + +	/* +	 * Init pci regs +	 */ +	*(unsigned long *) 0x50000304 = 0x02900007;	/* enable mem/io/master bits */ +	*(unsigned long *) 0x500001b4 = 0x00000000;	/* disable pci interrupt output enable */ +	*(unsigned long *) 0x50000354 = 0x00c05800;	/* disable emun interrupt output enable */ +	*(unsigned long *) 0x50000344 = 0x00000000;	/* disable pme interrupt output enable */ +	*(unsigned long *) 0x50000310 = 0x00000000;	/* pcibar0 */ +	*(unsigned long *) 0x50000314 = 0x00000000;	/* pcibar1 */ +	*(unsigned long *) 0x50000318 = 0x00000000;	/* pcibar2 */ + +	return 0; +} + + +/* + * Check Board Identity: + */ + +int checkboard (void) +{ +	unsigned char str[64]; +	int i = getenv_r ("serial#", str, sizeof (str)); + +	puts ("Board: "); + +	if (!i || strncmp (str, "ADCIOP", 6)) { +		puts ("### No HW ID - assuming ADCIOP\n"); +		return (1); +	} + +	puts (str); + +	putc ('\n'); + +	return 0; +} + +/* ------------------------------------------------------------------------- */ + +long int initdram (int board_type) +{ +	return (16 * 1024 * 1024); +} + +/* ------------------------------------------------------------------------- */ + +int testdram (void) +{ +	/* TODO: XXX XXX XXX */ +	printf ("test: 16 MB - ok\n"); + +	return (0); +} + +/* ------------------------------------------------------------------------- */ diff --git a/board/esd/dasa_sim/dasa_sim.c b/board/esd/dasa_sim/dasa_sim.c new file mode 100644 index 000000000..c1b90938b --- /dev/null +++ b/board/esd/dasa_sim/dasa_sim.c @@ -0,0 +1,224 @@ +/* + * (C) Copyright 2001 + * Stefan Roese, esd gmbh germany, stefan.roese@esd-electronics.com + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <common.h> +#include "dasa_sim.h" + +/* ------------------------------------------------------------------------- */ + +#undef FPGA_DEBUG + +#define	_NOT_USED_	0xFFFFFFFF + +/* ------------------------------------------------------------------------- */ + +/* fpga configuration data - generated by bit2inc */ +static unsigned char fpgadata[] = { +#include "fpgadata.c" +}; + +#define FPGA_PRG_SLEEP         32	/* fpga program sleep-time */ +#define LOAD_LONG(a)           a + + +/****************************************************************************** + * + * sysFpgaBoot - Load fpga-image into fpga + * + */ +static int fpgaBoot (void) +{ +	int i, j, index, len; +	unsigned char b; +	int imageSize; + +	imageSize = sizeof (fpgadata); + +	/* display infos on fpgaimage */ +	index = 15; +	for (i = 0; i < 4; i++) { +		len = fpgadata[index]; +		index += len + 3; +	} + +	/* search for preamble 0xFF2X */ +	for (index = 0; index < imageSize - 1; index++) { +		if ((fpgadata[index] == 0xff) +			&& ((fpgadata[index + 1] & 0xf0) == 0x20)) +			break; +	} + +	/* enable cs1 instead of user0... */ +	*(unsigned long *) 0x50000084 &= ~0x00000002; + +#ifdef FPGA_DEBUG +	printf ("%s\n", +			((in32 (0x50000084) & 0x00010000) == 0) ? "NOT DONE" : "DONE"); +#endif + +	/* init fpga by asserting and deasserting PROGRAM* (USER2)... */ +	*(unsigned long *) 0x50000084 &= ~0x00000400; +	udelay (FPGA_PRG_SLEEP * 1000); + +	*(unsigned long *) 0x50000084 |= 0x00000400; +	udelay (FPGA_PRG_SLEEP * 1000); + +#ifdef FPGA_DEBUG +	printf ("%s\n", +			((in32 (0x50000084) & 0x00010000) == 0) ? "NOT DONE" : "DONE"); +#endif + +	/* cs1: disable burst, disable ready */ +	*(unsigned long *) 0x50000114 &= ~0x00000300; + +	/* cs1: set write timing */ +	*(unsigned long *) 0x50000118 |= 0x00010900; + +	/* write configuration-data into fpga... */ +	for (i = index; i < imageSize; i++) { +		b = fpgadata[i]; +		for (j = 0; j < 8; j++) { +			*(unsigned long *) 0x30000000 = +				((b & 0x80) == 0x80) +				? LOAD_LONG (0x03030101) +				: LOAD_LONG (0x02020000); +			b <<= 1; +		} +	} + +#ifdef FPGA_DEBUG +	printf ("%s\n", +			((in32 (0x50000084) & 0x00010000) == 0) ? "NOT DONE" : "DONE"); +#endif + +	/* set cs1 to 32 bit data-width, disable burst, enable ready */ +	*(unsigned long *) 0x50000114 |= 0x00000202; +	*(unsigned long *) 0x50000114 &= ~0x00000100; + +	/* cs1: set iop access to little endian */ +	*(unsigned long *) 0x50000114 &= ~0x00000010; + +	/* cs1: set read and write timing */ +	*(unsigned long *) 0x50000118 = 0x00010000; +	*(unsigned long *) 0x5000011c = 0x00010001; + +#ifdef FPGA_DEBUG +	printf ("%s\n", +			((in32 (0x50000084) & 0x00010000) == 0) ? "NOT DONE" : "DONE"); +#endif + +	/* wait for 30 ms... */ +	udelay (30 * 1000); +	/* check if fpga's DONE signal - correctly booted ? */ +	if ((*(unsigned long *) 0x50000084 & 0x00010000) == 0) +		return -1; + +	return 0; +} + + +int board_pre_init (void) +{ +	/* +	 * Init pci regs +	 */ +	*(unsigned long *) 0x50000304 = 0x02900007;	/* enable mem/io/master bits */ +	*(unsigned long *) 0x500001b4 = 0x00000000;	/* disable pci interrupt output enable */ +	*(unsigned long *) 0x50000354 = 0x00c05800;	/* disable emun interrupt output enable */ +	*(unsigned long *) 0x50000344 = 0x00000000;	/* disable pme interrupt output enable */ +	*(unsigned long *) 0x50000310 = 0x00000000;	/* pcibar0 */ +	*(unsigned long *) 0x50000314 = 0x00000000;	/* pcibar1 */ +	*(unsigned long *) 0x50000318 = 0x00000000;	/* pcibar2 */ + +	return 0; +} + + +/* + * Check Board Identity: + */ + +int checkboard (void) +{ +	int index; +	int len; +	unsigned char str[64]; +	int i = getenv_r ("serial#", str, sizeof (str)); +	int fpga; +	unsigned short val; + +	puts ("Board: "); + +	/* +	 * Boot onboard FPGA +	 */ +	fpga = fpgaBoot (); + +	if (!i || strncmp (str, "DASA_SIM", 8)) { +		puts ("### No HW ID - assuming DASA_SIM"); +	} + +	puts (str); + +	if (fpga == 0) { +		val = *(unsigned short *) 0x30000202; +		printf (" (Id=%d Version=%d Revision=%d)", +			(val & 0x07f8) >> 3, val & 0x0001, (val & 0x0006) >> 1); + +		puts ("\nFPGA:  "); + +		/* display infos on fpgaimage */ +		index = 15; +		for (i = 0; i < 4; i++) { +			len = fpgadata[index]; +			printf ("%s ", &(fpgadata[index + 1])); +			index += len + 3; +		} +	} else { +		puts ("\nFPGA:  Booting failed!"); +	} + +	putc ('\n'); + +	return 0; +} + + +/* ------------------------------------------------------------------------- */ + +long int initdram (int board_type) +{ +	return (16 * 1024 * 1024); +} + +/* ------------------------------------------------------------------------- */ + +int testdram (void) +{ +	/* TODO: XXX XXX XXX */ +	printf ("test: 16 MB - ok\n"); + +	return (0); +} + +/* ------------------------------------------------------------------------- */ diff --git a/board/esd/ocrtc/ocrtc.c b/board/esd/ocrtc/ocrtc.c new file mode 100644 index 000000000..3c3d56eb4 --- /dev/null +++ b/board/esd/ocrtc/ocrtc.c @@ -0,0 +1,127 @@ +/* + * (C) Copyright 2001 + * Stefan Roese, esd gmbh germany, stefan.roese@esd-electronics.com + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <common.h> +#include "ocrtc.h" +#include <asm/processor.h> +#include <i2c.h> +#include <command.h> +#include <cmd_boot.h> + +/* ------------------------------------------------------------------------- */ + +int board_pre_init (void) +{ +	/* +	 * IRQ 0-15  405GP internally generated; active high; level sensitive +	 * IRQ 16    405GP internally generated; active low; level sensitive +	 * IRQ 17-24 RESERVED +	 * IRQ 25 (EXT IRQ 0) CAN0; active low; level sensitive +	 * IRQ 26 (EXT IRQ 1) CAN1; active low; level sensitive +	 * IRQ 27 (EXT IRQ 2) PCI SLOT 0; active low; level sensitive +	 * IRQ 28 (EXT IRQ 3) PCI SLOT 1; active low; level sensitive +	 * IRQ 29 (EXT IRQ 4) PCI SLOT 2; active low; level sensitive +	 * IRQ 30 (EXT IRQ 5) PCI SLOT 3; active low; level sensitive +	 * IRQ 31 (EXT IRQ 6) COMPACT FLASH; active high; level sensitive +	 */ +	mtdcr (uicsr, 0xFFFFFFFF);	/* clear all ints */ +	mtdcr (uicer, 0x00000000);	/* disable all ints */ +	mtdcr (uiccr, 0x00000000);	/* set all to be non-critical */ +	mtdcr (uicpr, 0xFFFFFF81);	/* set int polarities */ +	mtdcr (uictr, 0x10000000);	/* set int trigger levels */ +	mtdcr (uicvcr, 0x00000001);	/* set vect base=0,INT0 highest priority */ +	mtdcr (uicsr, 0xFFFFFFFF);	/* clear all ints */ + +	/* +	 * EBC Configuration Register: clear EBTC -> high-Z ebc signals between +	 * transfers, set device-paced timeout to 256 cycles +	 */ +	mtebc (epcr, 0x20400000); + +	return 0; +} + + +/* ------------------------------------------------------------------------- */ + +int misc_init_f (void) +{ +	return 0;					/* dummy implementation */ +} + + +/* + * Check Board Identity: + */ + +int checkboard (void) +{ +	unsigned char str[64]; +	int i = getenv_r ("serial#", str, sizeof (str)); + +	puts ("Board: "); + +	if (i == -1) { +#ifdef CONFIG_OCRTC +		puts ("### No HW ID - assuming OCRTC"); +#endif +#ifdef CONFIG_ORSG +		puts ("### No HW ID - assuming ORSG"); +#endif +	} else { +		puts (str); +	} + +	putc ('\n'); + +	return (0); +} + +/* ------------------------------------------------------------------------- */ + +long int initdram (int board_type) +{ +	unsigned long val; + +	mtdcr (memcfga, mem_mb0cf); +	val = mfdcr (memcfgd); + +#if 0 +	printf ("\nmb0cf=%x\n", val);	/* test-only */ +	printf ("strap=%x\n", mfdcr (strap));	/* test-only */ +#endif + +	return (4 * 1024 * 1024 << ((val & 0x000e0000) >> 17)); +} + +/* ------------------------------------------------------------------------- */ + +int testdram (void) +{ +	/* TODO: XXX XXX XXX */ +	printf ("test: 16 MB - ok\n"); + +	return (0); +} + +/* ------------------------------------------------------------------------- */ diff --git a/board/esteem192e/esteem192e.c b/board/esteem192e/esteem192e.c new file mode 100644 index 000000000..792a61cf8 --- /dev/null +++ b/board/esteem192e/esteem192e.c @@ -0,0 +1,318 @@ +/* + * (C) Copyright 2000 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + * + * + * Modified By Conn Clark to work with Esteem 192E 7/31/00 + * + */ + +#include <common.h> +#include <mpc8xx.h> + +/* ------------------------------------------------------------------------- */ + +static long int dram_size ( long int *base, long int maxsize); + +/* ------------------------------------------------------------------------- */ + +#define	_NOT_USED_	0xFFFFFFFF + +const uint sdram_table[] = +{ +	/* +	 * Single Read. (Offset 0 in UPMA RAM) +	 * +	 * active, NOP, read, precharge, NOP */ +	0x0F27CC04, 0x0EAECC04, 0x00B98C04, 0x00F74C00, +	0x11FFCC05, /* last */ +	/* +	 * SDRAM Initialization (offset 5 in UPMA RAM) +	 * +         * This is no UPM entry point. The following definition uses +         * the remaining space to establish an initialization +         * sequence, which is executed by a RUN command. +	 * NOP, Program +	 */ +        0x0F0A8C34, 0x1F354C37, /* last */ + +        _NOT_USED_,  /* Not used */ + +	/* +	 * Burst Read. (Offset 8 in UPMA RAM) +	 * active, NOP, read, NOP, NOP, NOP, NOP, NOP */ +	0x0F37CC04, 0x0EFECC04, 0x00FDCC04, 0x00FFCC00, +	0x00FFCC00, 0x01FFCC00, 0x0FFFCC00, 0x1FFFCC05, /* last */ +	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, +	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, +	/* +	 * Single Write. (Offset 18 in UPMA RAM) +	 * active, NOP, write, NOP, precharge, NOP */ +	0x0F27CC04, 0x0EAE8C00, 0x01BD4C04, 0x0FFB8C04, +	0x0FF74C04, 0x1FFFCC05, /* last */ +	_NOT_USED_, _NOT_USED_, +	/* +	 * Burst Write. (Offset 20 in UPMA RAM) +	 * active, NOP, write, NOP, NOP, NOP, NOP, NOP */ +	0x0F37CC04, 0x0EFE8C00, 0x00FD4C00, 0x00FFCC00, +	0x00FFCC00, 0x01FFCC04, 0x0FFFCC04, 0x1FFFCC05, /* last */ +	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, +	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, +	/* +	 * Refresh  (Offset 30 in UPMA RAM) +	 * precharge, NOP, auto_ref, NOP, NOP, NOP */ +	0x0FF74C34, 0x0FFACCB4, 0x0FF5CC34, 0x0FFFCC34, +	0x0FFFCCB4, 0x1FFFCC35, /* last */ +				_NOT_USED_, _NOT_USED_, +	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, +	/* +	 * Exception. (Offset 3c in UPMA RAM) +	 */ +	0x0FFB8C00, 0x1FF74C03, /* last */ +	                        _NOT_USED_, _NOT_USED_ +}; + +/* ------------------------------------------------------------------------- */ + + +/* + * Check Board Identity: + */ + +int checkboard (void) +{ +    puts ("Board: Esteem 192E\n"); +    return(0); +} + +/* ------------------------------------------------------------------------- */ + + +long int initdram (int board_type) +{ +    volatile immap_t     *immap  = (immap_t *)CFG_IMMR; +    volatile memctl8xx_t *memctl = &immap->im_memctl; +    long int size_b0, size_b1; + +    /* +     * Explain frequency of refresh here +     */ + +    memctl->memc_mptpr = 0x0200; /* divide by 32 */ + +    memctl->memc_mamr = 0x18003112; /*CFG_MAMR_8COL;*/ /* 0x18005112 TODO: explain here */ + +    upmconfig(UPMA, (uint *)sdram_table, sizeof(sdram_table)/sizeof(uint)); + +    /* +     * Map cs 2 and 3 to the SDRAM banks 0 and 1 at +     * preliminary addresses - these have to be modified after the +     * SDRAM size has been determined. +     */ + +    memctl->memc_or2 = CFG_OR2_PRELIM; /* not defined yet */ +    memctl->memc_br2 = CFG_BR2_PRELIM; + +    memctl->memc_or3 = CFG_OR3_PRELIM; +    memctl->memc_br3 = CFG_BR3_PRELIM; + + +    /* perform SDRAM initializsation sequence */ +    memctl->memc_mar  = 0x00000088; + +    memctl->memc_mcr  = 0x80004830;	/* SDRAM bank 0 execute 8 refresh */ + +    memctl->memc_mcr  = 0x80004105; 	/* SDRAM bank 0 */ + + +    memctl->memc_mcr  = 0x80006830;	/* SDRAM bank 1 execute 8 refresh */ + +    memctl->memc_mcr  = 0x80006105;	/* SDRAM bank 1 */ + + +    memctl->memc_mamr = CFG_MAMR_8COL; /* 0x18803112  start refresh timer TODO: explain here */ + +/* printf ("banks 0 and 1 are programed\n"); */ + +    /* +     * Check Bank 0 Memory Size for re-configuration +     * +     */ + +    size_b0 = dram_size ((ulong *)SDRAM_BASE2_PRELIM, SDRAM_MAX_SIZE); + +    size_b1 = dram_size ((ulong *)SDRAM_BASE3_PRELIM, SDRAM_MAX_SIZE); + + + printf ("\nbank 0 size %lu\nbank 1 size %lu\n",size_b0,size_b1); + + +/* printf ("bank 1 size %u\n",size_b1); */ + +    if(size_b1 == 0) { + +    /* +     * Adjust refresh rate if bank 0 isn't stuffed +     */ + +       memctl->memc_mptpr = 0x0400; /* divide by 64 */ +       memctl->memc_br3 &= 0x0FFFFFFFE; + +    /* +     * Adjust OR2 for size of bank 0 +     */ +       memctl->memc_or2 |= 7 * size_b0; + +    } + +    else { + +       if(size_b0 < size_b1) { +          memctl->memc_br2 &= 0x00007FFE; +          memctl->memc_br3 &= 0x00007FFF; + +         /* +          * Adjust OR3 for size of bank 1 +          */ +          memctl->memc_or3 |= 15 * size_b1; + +         /* +          * Adjust OR2 for size of bank 0 +          */ +          memctl->memc_or2 |= 15 * size_b0; + +          memctl->memc_br2 += (size_b1 + 1); + +       } +       else { + +          memctl->memc_br3 &= 0x00007FFE; + + +         /* +          * Adjust OR2 for size of bank 0 +          */ +          memctl->memc_or2 |= 15 * size_b0; + +         /* +          * Adjust OR3 for size of bank 1 +          */ +          memctl->memc_or3 |= 15 * size_b1; + +          memctl->memc_br3 += (size_b0 + 1); + + +       } +    } + + +/* before leaving set all unused i/o pins to outputs */ + +/* + *      --*Unused Pin List*-- + * + * group/port           bit number + * IP_B                 0,1,3,4,5  Taken care of in pcmcia-cs-x.x.xx + * PA                   5,7,8,9,14,15 + * PB                   22,23,31 + * PC                   4,5,6,7,10,11,12,13,14,15 + * PD                   5,6,7 + * + */ + +/* + *   --*Pin Used for I/O List*-- + * + * port     input bit number    output bit number    either + * PB                           18,26,27 + * PD       3,4                                      8,9,10,11,12,13,14,15 + * + */ + + +    immap->im_ioport.iop_papar &= ~0x05C3;    /* set pins as io */ +    immap->im_ioport.iop_padir |= 0x05C3;     /* set pins as output */ +    immap->im_ioport.iop_paodr &= 0x0008;     /* config pins 9 & 14 as normal outputs */ +    immap->im_ioport.iop_padat |= 0x05C3;     /* set unused pins as high */ + +    immap->im_cpm.cp_pbpar &= ~0x00001331; /* set unused port b pins as io */ +    immap->im_cpm.cp_pbdir |= 0x00001331;  /* set unused port b pins as output */ +    immap->im_cpm.cp_pbodr &= ~0x00001331; /* config bits 18,22,23,26,27 & 31 as normal outputs */ +    immap->im_cpm.cp_pbdat |= 0x00001331;  /* set T/E LED, /NV_CS, & /POWER_ADJ_CS and the rest to a high */ + +    immap->im_ioport.iop_pcpar &= ~0x0F3F;    /* set unused port c pins as io */ +    immap->im_ioport.iop_pcdir |= 0x0F3F;     /* set unused port c pins as output */ +    immap->im_ioport.iop_pcso  &= ~0x0F3F;    /* clear special purpose bit for unused port c pins for clarity */ +    immap->im_ioport.iop_pcdat |= 0x0F3F;     /* set unused port c pins high*/ + +    immap->im_ioport.iop_pdpar &= 0xE000;     /* set pins as io */ +    immap->im_ioport.iop_pddir &= 0xE000;     /* set bit 3 & 4 as inputs */ +    immap->im_ioport.iop_pddir |= 0x07FF;     /* set bits 5 - 15 as outputs */ +    immap->im_ioport.iop_pddat = 0x0055;      /* set alternating pattern on test port */ + + + + +    return (size_b0 + size_b1); +} + +/* ------------------------------------------------------------------------- */ + +/* + * Check memory range for valid RAM. A simple memory test determines + * the actually available RAM size between addresses `base' and + * `base + maxsize'. Some (not all) hardware errors are detected: + * - short between address lines + * - short between data lines + */ + +static long int dram_size ( long int *base, long int maxsize) +{ + +    volatile long int	 *addr; +    long int		  cnt, val; + +    for (cnt = maxsize/sizeof(long); cnt > 0; cnt >>= 1) { +	addr = base + cnt;	/* pointer arith! */ + +	*addr = ~cnt; +    } + +    /* write 0 to base address */ +    addr = base; +    *addr = 0; + +    /* check at base address */ +    if ((val = *addr) != 0) { +	return (0); +    } + +    for (cnt = 1; ; cnt <<= 1) { +	addr = base + cnt;	/* pointer arith! */ + +	val = *addr; + +	if (val != (~cnt)) { +	    return (cnt * sizeof(long)); +	} +    } +    /* NOTREACHED */ +} diff --git a/board/etx094/etx094.c b/board/etx094/etx094.c new file mode 100644 index 000000000..d48772be6 --- /dev/null +++ b/board/etx094/etx094.c @@ -0,0 +1,418 @@ +/* + * (C) Copyright 2000 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <common.h> +#include <mpc8xx.h> + +/* ------------------------------------------------------------------------- */ + +static long int dram_size (long int, long int *, long int); +static void read_hw_vers (void); + +/* ------------------------------------------------------------------------- */ + +#define _NOT_USED_	0xFFFFFFFF + +const uint sdram_table[] = { + +	/* single read   (offset 0x00 in upm ram) */ + +	0xEECEFC24, 0x100DFC24, 0xE02FBC04, 0x01AA7C04, +	0x1FB5FC00, 0xFFFFFC05, _NOT_USED_, _NOT_USED_, + +	/* burst read    (offset 0x08 in upm ram) */ + +	0xEECEFC24, 0x100DFC24, 0xE0FFBC04, 0x10FF7C04, +	0xF0FFFC00, 0xF0FFFC00, 0xF0FFFC00, 0xFFFFFC00, +	0xFFFFFC05, _NOT_USED_, _NOT_USED_, _NOT_USED_, +	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, + +	/* single write  (offset 0x18 in upm ram) */ + +	0xEECEFC24, 0x100DFC24, 0xE02BBC04, 0x01A27C00, +	0xEFAAFC04, 0x1FB5FC05, _NOT_USED_, _NOT_USED_, + +	/* burst write   (offset 0x20 in upm ram) */ + +	0xEECEFC24, 0x103DFC24, 0xE0FBBC00, 0x10F77C00, +	0xF0FFFC00, 0xF0FFFC00, 0xF0FFFC04, 0xFFFFFC05, + +	/* init part1      (offset 0x28 in upm ram) */ + +	0xEFFAFC3C, 0x1FF4FC34, 0xEFFCBC34, 0x1FFC3C34, +	0xFFFC3C35, _NOT_USED_, _NOT_USED_, _NOT_USED_, + +	/* refresh   (offset 0x30 in upm ram) */ + +	0xEFFEBC0C, 0x1FFD7C04, 0xFFFFFC04, 0xFFFFFC05, + +	/* init part2     (offset 0x34 in upm ram) */ + +	0xFFFEBC04, 0xEFFC3CB4, 0x1FFC3C34, 0xFFFC3C34, +	0xFFFC3C34, 0xEFE83CB4, 0x1FB57C35, _NOT_USED_, + +	/* exception     (offset 0x3C in upm ram) */ + +	0xFFFFFC05, _NOT_USED_, _NOT_USED_, _NOT_USED_, + +}; + +/* ------------------------------------------------------------------------- */ + + +/* + * Check Board Identity: + * + * Test ETX ID string (ETX_xxx...) + * + * Return 1 always. + */ + +int checkboard (void) +{ +	DECLARE_GLOBAL_DATA_PTR; + +	unsigned char *s = getenv ("serial#"); +	unsigned char *e; + +	puts ("Board: "); + +#ifdef SB_ETX094 +	gd->board_type = 0; /* 0 = 2SDRAM-Device */ +#else +	gd->board_type = 1; /* 1 = 1SDRAM-Device */ +#endif + +	if (!s || strncmp (s, "ETX_", 4)) { +		puts ("### No HW ID - assuming ETX_094\n"); +		read_hw_vers (); +		return (0); +	} + +	for (e = s; *e; ++e) { +		if (*e == ' ') +			break; +	} + +	for (; s < e; ++s) { +		putc (*s); +	} +	putc ('\n'); + +	read_hw_vers (); +	return (0); +} + +/* ------------------------------------------------------------------------- */ + +long int initdram (int board_type) +{ +	volatile immap_t *immap = (immap_t *) CFG_IMMR; +	volatile memctl8xx_t *memctl = &immap->im_memctl; +	long int size_b0, size_b1, size8, size9; + +	upmconfig (UPMA, (uint *) sdram_table, +			   sizeof (sdram_table) / sizeof (uint)); + +	/* +	 * Preliminary prescaler for refresh (depends on number of +	 * banks): This value is selected for four cycles every 62.4 us +	 * with two SDRAM banks or four cycles every 31.2 us with one +	 * bank. It will be adjusted after memory sizing. +	 */ +	memctl->memc_mptpr = CFG_MPTPR_1BK_4K;	/* MPTPR_PTP_DIV32 0x0200 */ + +	/* A3(SDRAM)=0      => Bursttype = Sequential +	 * A2-A0(SDRAM)=010 => Burst length = 4 +	 * A4-A6(SDRAM)=010 => CasLat=2 +	 */ +	memctl->memc_mar = 0x00000088; + +	/* +	 * Map controller banks 2 and 3 to the SDRAM banks 2 and 3 at +	 * preliminary addresses - these have to be modified after the +	 * SDRAM size has been determined. +	 */ +	memctl->memc_or2 = CFG_OR2_PRELIM; +	memctl->memc_br2 = CFG_BR2_PRELIM; + +	if (board_type == 0) {	/* "L" type boards have only one bank SDRAM */ +		memctl->memc_or3 = CFG_OR3_PRELIM; +		memctl->memc_br3 = CFG_BR3_PRELIM; +	} + +	memctl->memc_mamr = CFG_MAMR_8COL & (~(MAMR_PTAE));	/* no refresh yet */ + +	udelay (200); + +	/* perform SDRAM initializsation sequence */ + +	memctl->memc_mcr = 0x80004128;	/* SDRAM bank 0 (CS2) - Init Part 1 */ +	memctl->memc_mcr = 0x80004734;	/* SDRAM bank 0 (CS2) - Init Part 2 */ +	udelay (1); + +	if (board_type == 0) {		/* "L" type boards have only one bank SDRAM */ +		memctl->memc_mcr = 0x80006128;	/* SDRAM bank 1 (CS3) - Init Part 1 */ +		memctl->memc_mcr = 0x80006734;	/* SDRAM bank 1 (CS3) - Init Part 2 */ +		udelay (1); +	} + +	memctl->memc_mamr |= MAMR_PTAE;	/* enable refresh */ + +	udelay (1000); + +	/* +	 * Check Bank 0 Memory Size for re-configuration +	 * +	 * try 8 column mode +	 */ +	size8 = dram_size (CFG_MAMR_8COL, (ulong *) SDRAM_BASE2_PRELIM, +					   SDRAM_MAX_SIZE); + +	udelay (1000); + +	/* +	 * try 9 column mode +	 */ +	size9 = dram_size (CFG_MAMR_9COL, (ulong *) SDRAM_BASE2_PRELIM, +					   SDRAM_MAX_SIZE); + +	if (size8 < size9) {		/* leave configuration at 9 columns */ +		size_b0 = size9; +/*	debug ("SDRAM Bank 0 in 9 column mode: %ld MB\n", size >> 20);	*/ +	} else {					/* back to 8 columns            */ +		size_b0 = size8; +		memctl->memc_mamr = CFG_MAMR_8COL; +		udelay (500); +/*	debug ("SDRAM Bank 0 in 8 column mode: %ld MB\n", size >> 20);	*/ +	} + +	if (board_type == 0) {		/* "L" type boards have only one bank SDRAM */ +		/* +		 * Check Bank 1 Memory Size +		 * use current column settings +		 * [9 column SDRAM may also be used in 8 column mode, +		 *  but then only half the real size will be used.] +		 */ +		size_b1 = +				dram_size (memctl->memc_mamr, (ulong *) SDRAM_BASE3_PRELIM, +						   SDRAM_MAX_SIZE); +/*	debug ("SDRAM Bank 1: %ld MB\n", size8 >> 20);	*/ +	} else { +		size_b1 = 0; +	} + +	udelay (1000); + +	/* +	 * Adjust refresh rate depending on SDRAM type, both banks +	 * For types > 128 MBit leave it at the current (fast) rate +	 */ +	if ((size_b0 < 0x02000000) && (size_b1 < 0x02000000)) { +		/* reduce to 15.6 us (62.4 us / quad) */ +		memctl->memc_mptpr = CFG_MPTPR_2BK_4K;	/*DIV16 */ +		udelay (1000); +	} + +	/* +	 * Final mapping: map bigger bank first +	 */ +	if (size_b1 > size_b0) {	/* SDRAM Bank 1 is bigger - map first   */ + +		memctl->memc_or3 = ((-size_b1) & 0xFFFF0000) | CFG_OR_TIMING_SDRAM; +		memctl->memc_br3 = +			(CFG_SDRAM_BASE & BR_BA_MSK) | BR_MS_UPMA | BR_V; + +		if (size_b0 > 0) { +			/* +			 * Position Bank 0 immediately above Bank 1 +			 */ +			memctl->memc_or2 = +				((-size_b0) & 0xFFFF0000) | CFG_OR_TIMING_SDRAM; +			memctl->memc_br2 = +				((CFG_SDRAM_BASE & BR_BA_MSK) | BR_MS_UPMA | BR_V) +				+ size_b1; +		} else { +			unsigned long reg; + +			/* +			 * No bank 0 +			 * +			 * invalidate bank +			 */ +			memctl->memc_br2 = 0; + +			/* adjust refresh rate depending on SDRAM type, one bank */ +			reg = memctl->memc_mptpr; +			reg >>= 1;	/* reduce to CFG_MPTPR_1BK_8K / _4K */ +			memctl->memc_mptpr = reg; +		} + +	} else {			/* SDRAM Bank 0 is bigger - map first   */ + +		memctl->memc_or2 = ((-size_b0) & 0xFFFF0000) | CFG_OR_TIMING_SDRAM; +		memctl->memc_br2 = +				(CFG_SDRAM_BASE & BR_BA_MSK) | BR_MS_UPMA | BR_V; + +		if (size_b1 > 0) { +			/* +			 * Position Bank 1 immediately above Bank 0 +			 */ +			memctl->memc_or3 = +					((-size_b1) & 0xFFFF0000) | CFG_OR_TIMING_SDRAM; +			memctl->memc_br3 = +					((CFG_SDRAM_BASE & BR_BA_MSK) | BR_MS_UPMA | BR_V) +					+ size_b0; +		} else { +			unsigned long reg; + +			/* +			 * No bank 1 +			 * +			 * invalidate bank +			 */ +			memctl->memc_br3 = 0; + +			/* adjust refresh rate depending on SDRAM type, one bank */ +			reg = memctl->memc_mptpr; +			reg >>= 1;	/* reduce to CFG_MPTPR_1BK_8K / _4K */ +			memctl->memc_mptpr = reg; +		} +	} + +	udelay (10000); + +	return (size_b0 + size_b1); +} + +/* ------------------------------------------------------------------------- */ + +/* + * Check memory range for valid RAM. A simple memory test determines + * the actually available RAM size between addresses `base' and + * `base + maxsize'. Some (not all) hardware errors are detected: + * - short between address lines + * - short between data lines + */ + +static long int dram_size (long int mamr_value, long int *base, +						   long int maxsize) +{ +	volatile immap_t *immap = (immap_t *) CFG_IMMR; +	volatile memctl8xx_t *memctl = &immap->im_memctl; +	volatile long int *addr; +	ulong cnt, val; +	ulong save[32];			/* to make test non-destructive */ +	unsigned char i = 0; + +	memctl->memc_mamr = mamr_value; + +	for (cnt = maxsize / sizeof (long); cnt > 0; cnt >>= 1) { +		addr = base + cnt;	/* pointer arith! */ + +		save[i++] = *addr; +		*addr = ~cnt; +	} + +	/* write 0 to base address */ +	addr = base; +	save[i] = *addr; +	*addr = 0; + +	/* check at base address */ +	if ((val = *addr) != 0) { +		*addr = save[i]; +		return (0); +	} + +	for (cnt = 1; cnt <= maxsize / sizeof (long); cnt <<= 1) { +		addr = base + cnt;	/* pointer arith! */ + +		val = *addr; +		*addr = save[--i]; + +		if (val != (~cnt)) { +			return (cnt * sizeof (long)); +		} +	} +	return (maxsize); +} + +/* ------------------------------------------------------------------------- */ + +/* HW-ID Table (Bits: 2^9;2^7;2^5) */ +#define HW_ID_0 0x0000 +#define HW_ID_1 0x0020 +#define HW_ID_2 0x0080 +#define HW_ID_3 0x00a0 +#define HW_ID_4 0x0200 +#define HW_ID_5 0x0220 +#define HW_ID_6 0x0280 +#define HW_ID_7 0x02a0 + +void read_hw_vers () +{ +	unsigned short rd_msk = 0x02A0; + +	/* HW-ID pin-definition */ +	volatile immap_t *immr = (immap_t *) CFG_IMMR; + +	immr->im_ioport.iop_pddir &= ~(rd_msk); +	immr->im_ioport.iop_pdpar &= ~(rd_msk); + +	/* debug printf("State of PD: %x\n",immr->im_ioport.iop_pddat); */ + +	/* Check the HW-ID */ +	printf ("HW-Version: "); +	switch (immr->im_ioport.iop_pddat & rd_msk) { +	case HW_ID_0: +		printf ("V0.1 - V0.3 / W97238-Q3162-A1-1-2\n"); +		break; +	case HW_ID_1: +		printf ("V0.9 / W50037-Q1-D6-1\n"); +		break; +	case HW_ID_2: +		printf ("NOT USED - assuming ID#2\n"); +		break; +	case HW_ID_3: +		printf ("NOT USED - assuming ID#3\n"); +		break; +	case HW_ID_4: +		printf ("NOT USED - assuming ID#4\n"); +		break; +	case HW_ID_5: +		printf ("NOT USED - assuming ID#5\n"); +		break; +	case HW_ID_6: +		printf ("NOT USED - assuming ID#6\n"); +		break; +	case HW_ID_7: +		printf ("NOT USED - assuming ID#7\n"); +		break; +	default: +		printf ("###Error###\n"); +		break; +	} +} + +/* ------------------------------------------------------------------------- */ diff --git a/board/flagadm/flagadm.c b/board/flagadm/flagadm.c new file mode 100644 index 000000000..bfd15251e --- /dev/null +++ b/board/flagadm/flagadm.c @@ -0,0 +1,150 @@ +/* + * (C) Copyright 2001 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <common.h> +#include <mpc8xx.h> + +#define	_NOT_USED_	0xFFFFFFFF + +/*Orginal table, GPL4 disabled*/ +const uint sdram_table[] = +{ +	/* single read   (offset 0x00 in upm ram) */ +	0x1f07cc04, 0xeeaeec04, 0x11adcc04, 0xefbbac00, +	0x1ff74c47, +	/* Precharge */ +	0x1FF74C05, +	_NOT_USED_, +	_NOT_USED_, +	/* burst read    (offset 0x08 in upm ram) */ +	0x1f07cc04, 0xeeaeec04, 0x00adcc04, 0x00afcc00, +	0x00afcc00, 0x01afcc00, 0x0fbb8c00, 0x1ff74c47, +	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, +	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, +	/* single write  (offset 0x18 in upm ram) */ +	0x1f27cc04, 0xeeaeac00, 0x01b90c04, 0x1ff74c47, +	/* Load moderegister */ +	0x1FF74C34, /*Precharge*/ +	0xEFEA8C34, /*NOP*/ +	0x1FB54C35, /*Load moderegister*/ +	_NOT_USED_, + +	/* burst write   (offset 0x20 in upm ram) */ +	0x1f07cc04, 0xeeaeac00, 0x00ad4c00, 0x00afcc00, +	0x00afcc00, 0x01bb8c04, 0x1ff74c47, _NOT_USED_, +	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, +	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, +	/* refresh       (offset 0x30 in upm ram) */ +	0x1ff5cc84, 0xffffec04, 0xffffec04, 0xffffec04, +	0xffffec84, 0xffffec07, _NOT_USED_, _NOT_USED_, +	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, +	/* exception     (offset 0x3C in upm ram) */ +	0x7fffec07, _NOT_USED_, _NOT_USED_, _NOT_USED_, +}; + +/* GPL5 driven every cycle */ +/* the display and the DSP */ +const uint dsp_disp_table[] = +{ +	/* single read   (offset 0x00 in upm ram) */ +	0xffffc80c, 0xffffc004, 0x0fffc004, 0x0fffd004, +	0x0fffc000, 0x0fffc004, 0x3fffc004, 0xffffcc05, +	/* burst read    (offset 0x08 in upm ram) */ +	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, +	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, +	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, +	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, +	/* single write  (offset 0x18 in upm ram) */ +	0xffffcc0c, 0xffffc004, 0x0fffc004, 0x0fffd004, +	0x0fffc000, 0x0fffc004, 0x7fffc004, 0xfffffc05, +	/* burst write   (offset 0x20 in upm ram) */ +	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, +	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, +	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, +	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, +	/* refresh       (offset 0x30 in upm ram) */ +	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, +	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, +	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, +	/* exception     (offset 0x3C in upm ram) */ +	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, +}; + +int checkboard (void) +{ +	puts ("Board: FlagaDM V3.0\n"); +	return 0; +} + +long int initdram (int board_type) +{ +	volatile immap_t     *immap  = (immap_t *)CFG_IMMR; +	volatile memctl8xx_t *memctl = &immap->im_memctl; +	long int size_b0; + +	memctl->memc_or2 = CFG_OR2; +	memctl->memc_br2 = CFG_BR2; + +	udelay(100); +	upmconfig(UPMA, (uint *)sdram_table, sizeof(sdram_table)/sizeof(uint)); + +	memctl->memc_mptpr = MPTPR_PTP_DIV16; +	memctl->memc_mamr = CFG_MAMR_48_SDR | MAMR_TLFA_1X; + +	/*Do the initialization of the SDRAM*/ +	/*Start with the precharge cycle*/ +	memctl->memc_mcr = (MCR_OP_RUN | MCR_UPM_A | MCR_MB_CS2 | \ +				MCR_MLCF(1) | MCR_MAD(0x5)); + +	/*Then we need two refresh cycles*/ +	memctl->memc_mamr = CFG_MAMR_48_SDR | MAMR_TLFA_2X; +	memctl->memc_mcr = (MCR_OP_RUN | MCR_UPM_A | MCR_MB_CS2 | \ +				MCR_MLCF(2) | MCR_MAD(0x30)); + +	/*Mode register programming*/ +	memctl->memc_mar = 0x00000088; /*CAS Latency = 2 and burst length = 4*/ +	memctl->memc_mcr = (MCR_OP_RUN | MCR_UPM_A | MCR_MB_CS2 | \ +				MCR_MLCF(1) | MCR_MAD(0x1C)); + +	/* That should do it, just enable the periodic refresh in burst of 4*/ +	memctl->memc_mamr = CFG_MAMR_48_SDR | MAMR_TLFA_4X; +	memctl->memc_mamr |= (MAMR_PTAE | MAMR_GPL_B4DIS); + +	size_b0 = 16*1024*1024; + +	/* +	 * No bank 1 or 3 +	 * invalidate bank +	 */ +	memctl->memc_br1 = 0; +	memctl->memc_br3 = 0; + +	upmconfig(UPMB, (uint *)dsp_disp_table, sizeof(dsp_disp_table)/sizeof(uint)); + +	memctl->memc_mbmr = MAMR_GPL_B4DIS; + +	memctl->memc_or4 = CFG_OR4; +	memctl->memc_br4 = CFG_BR4; + +	return (size_b0); +} diff --git a/board/gth/gth.c b/board/gth/gth.c new file mode 100644 index 000000000..94e7a6543 --- /dev/null +++ b/board/gth/gth.c @@ -0,0 +1,595 @@ +/* + * (C) Copyright 2000 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * Adapted from FADS and other board config files to GTH by thomas@corelatus.com + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <common.h> +#include <config.h> +#include <watchdog.h> +#include <mpc8xx.h> +#include "ee_access.h" +#include "ee_dev.h" + +#ifdef CONFIG_BDM +#undef printf +#define printf(a,...)			/* nothing */ +#endif + + +int checkboard (void) +{ +	volatile immap_t *immap = (immap_t *) CFG_IMMR; +	int Id = 0; +	int Rev = 0; +	u32 Pbdat; + +	puts ("Board: "); + +	/* Turn on leds and setup for reading rev and id */ + +#define PB_OUTS (PB_BLUE_LED|PB_ID_GND) +#define PB_INS  (PB_ID_0|PB_ID_1|PB_ID_2|PB_ID_3|PB_REV_1|PB_REV_0) + +	immap->im_cpm.cp_pbpar &= ~(PB_OUTS | PB_INS); + +	immap->im_cpm.cp_pbdir &= ~PB_INS; + +	immap->im_cpm.cp_pbdir |= PB_OUTS; +	immap->im_cpm.cp_pbodr |= PB_OUTS; +	immap->im_cpm.cp_pbdat &= ~PB_OUTS; + +	/* Hold 100 Mbit in reset until fpga is loaded */ +	immap->im_ioport.iop_pcpar &= ~PC_ENET100_RESET; +	immap->im_ioport.iop_pcdir |= PC_ENET100_RESET; +	immap->im_ioport.iop_pcso &= ~PC_ENET100_RESET; +	immap->im_ioport.iop_pcdat &= ~PC_ENET100_RESET; + +	/* Turn on front led to show that we are alive */ +	immap->im_ioport.iop_papar &= ~PA_FRONT_LED; +	immap->im_ioport.iop_padir |= PA_FRONT_LED; +	immap->im_ioport.iop_paodr |= PA_FRONT_LED; +	immap->im_ioport.iop_padat &= ~PA_FRONT_LED; + +	Pbdat = immap->im_cpm.cp_pbdat; + +	if (!(Pbdat & PB_ID_0)) +		Id += 1; +	if (!(Pbdat & PB_ID_1)) +		Id += 2; +	if (!(Pbdat & PB_ID_2)) +		Id += 4; +	if (!(Pbdat & PB_ID_3)) +		Id += 8; + +	if (Pbdat & PB_REV_0) +		Rev += 1; +	if (Pbdat & PB_REV_1) +		Rev += 2; + +	/* Turn ID off since we dont need it anymore */ +	immap->im_cpm.cp_pbdat |= PB_ID_GND; + +	printf ("GTH board, rev %d, id=0x%01x\n", Rev, Id); +	return 0; +} + +#define _NOT_USED_ 0xffffffff +const uint sdram_table[] = { +	/* Single read, offset 0 */ +	0x0f3dfc04, 0x0eefbc04, 0x01bf7c04, 0x0feafc00, +	0x1fb5fc45, _NOT_USED_, _NOT_USED_, _NOT_USED_, + +	/* Burst read, Offset 0x8, 4 reads */ +	0x0f3dfc04, 0x0eefbc04, 0x00bf7c04, 0x00ffec00, +	0x00fffc00, 0x01eafc00, 0x1fb5fc00, 0xfffffc45, +	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, + +	/* Not used part of burst read is used for MRS, Offset 0x14 */ +	0xefeabc34, 0x1fb57c34, 0xfffffc05, _NOT_USED_, +	/* _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, */ + +	/* Single write, Offset 0x18 */ +	0x0f3dfc04, 0x0eebbc00, 0x01a27c04, 0x1fb5fc45, +	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, + +	/* Burst write, Offset 0x20. 4 writes */ +	0x0f3dfc04, 0x0eebbc00, 0x00b77c00, 0x00fffc00, +	0x00fffc00, 0x01eafc04, 0x1fb5fc45, _NOT_USED_, +	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, + +	/* Not used part of burst write is used for precharge, Offset 0x2C */ +	0x0ff5fc04, 0xfffffc05, _NOT_USED_, _NOT_USED_, +	/* _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, */ + +	/* Period timer service. Offset 0x30. Refresh. Wait at least 70 ns after refresh command */ +	0x1ffd7c04, 0xfffffc04, 0xfffffc04, 0xfffffc05, +	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, +	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, + +	/* Exception, Offset 0x3C */ +	0xfffffc04, 0xfffffc05, _NOT_USED_, _NOT_USED_ +}; + +const uint fpga_table[] = { +	/* Single read, offset 0 */ +	0x0cffec04, 0x00ffec04, 0x00ffec04, 0x00ffec04, +	0x00fffc04, 0x00fffc00, 0x00ffec04, 0xffffec05, + +	/* Burst read, Offset 0x8 */ +	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, +	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, +	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, +	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, + +	/* Single write, Offset 0x18 */ +	0x0cffec04, 0x00ffec04, 0x00ffec04, 0x00ffec04, +	0x00fffc04, 0x00fffc00, 0x00ffec04, 0xffffec05, + +	/* Burst write, Offset 0x20. */ +	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, +	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, +	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, +	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, + +	/* Period timer service. Offset 0x30. */ +	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, +	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, +	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, + +	/* Exception, Offset 0x3C */ +	0xfffffc04, 0xfffffc05, _NOT_USED_, _NOT_USED_ +}; + +int _initsdram (uint base, uint * noMbytes) +{ +	volatile immap_t *immap = (immap_t *) CFG_IMMR; +	volatile memctl8xx_t *mc = &immap->im_memctl; +	volatile u32 *memptr; + +	mc->memc_mptpr = MPTPR_PTP_DIV16;	/* (16-17) */ + +	/*  SDRAM in UPMA + +	   GPL_0 is connected instead of A19 to SDRAM. +	   According to table 16-17, AMx should be 001, i.e. type 1 +	   and GPL_0 should hold address A10 when multiplexing */ + +	mc->memc_mamr = (0x2E << MAMR_PTA_SHIFT) | MAMR_PTAE | MAMR_AMA_TYPE_1 | MAMR_G0CLA_A10 | MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_1X;	/* (16-13) */ + +	upmconfig (UPMA, (uint *) sdram_table, +			   sizeof (sdram_table) / sizeof (uint)); + +	/* Perform init of sdram ( Datasheet Page 9 ) +	   Precharge */ +	mc->memc_mcr = 0x8000212C;	/* run upm a at 0x2C (16-15) */ + +	/* Run 2 refresh cycles */ +	mc->memc_mcr = 0x80002130;	/* run upm a at 0x30 (16-15) */ +	mc->memc_mcr = 0x80002130;	/* run upm a at 0x30 (16-15) */ + +	/* Set Mode register */ +	mc->memc_mar = 0x00000088;	/* set mode register (address) to 0x022 (16-17) */ +	/* Lower 2 bits are not connected to chip */ +	mc->memc_mcr = 0x80002114;	/* run upm a at 0x14 (16-15) */ + +	/* CS1, base 0x0000000 - 64 Mbyte, use UPM A */ +	mc->memc_or1 = 0xfc000000 | OR_CSNT_SAM; +	mc->memc_br1 = BR_MS_UPMA | BR_V;	/* SDRAM base always 0 */ + +	/* Test if we really have 64 MB SDRAM */ +	memptr = (u32 *) 0; +	*memptr = 0; + +	memptr = (u32 *) 0x2000000;	/* First u32 in upper 32 MB */ +	*memptr = 0x12345678; + +	memptr = (u32 *) 0; +	if (*memptr == 0x12345678) { +		/* Wrapped, only have 32 MB */ +		mc->memc_or1 = 0xfe000000 | OR_CSNT_SAM; +		*noMbytes = 32; +	} else { +		/* 64 MB */ +		*noMbytes = 64; +	} + +	/* Setup FPGA in UPMB */ +	upmconfig (UPMB, (uint *) fpga_table, +			   sizeof (fpga_table) / sizeof (uint)); + +	/* Enable UPWAITB */ +	mc->memc_mbmr = MAMR_GPL_B4DIS;	/* (16-13) */ + +	/* CS2, base FPGA_2_BASE - 4 MByte, use UPM B 32 Bit */ +	mc->memc_or2 = 0xffc00000 | OR_BI; +	mc->memc_br2 = FPGA_2_BASE | BR_MS_UPMB | BR_V; + +	/* CS3, base FPGA_3_BASE - 4 MByte, use UPM B 16 bit */ +	mc->memc_or3 = 0xffc00000 | OR_BI; +	mc->memc_br3 = FPGA_3_BASE | BR_MS_UPMB | BR_V | BR_PS_16; + +	return 0; +} + +/* ------------------------------------------------------------------------- */ + +void _sdramdisable (void) +{ +	volatile immap_t *immap = (immap_t *) CFG_IMMR; +	volatile memctl8xx_t *memctl = &immap->im_memctl; + +	memctl->memc_br1 = 0x00000000; + +	/* maybe we should turn off upmb here or something */ +} + +/* ------------------------------------------------------------------------- */ + +int initsdram (uint base, uint * noMbytes) +{ +	*noMbytes = 32; + +#ifdef CONFIG_START_IN_RAM +	/* SDRAM is already setup. Dont touch it */ +	return 0; +#else + +	if (!_initsdram (base, noMbytes)) { + +		return 0; +	} else { +		_sdramdisable (); + +		return -1; +	} +#endif +} + +long int initdram (int board_type) +{ +	u32 *i; +	u32 j; +	u32 k; + +	/* GTH only have SDRAM */ +	uint sdramsz; + +	if (!initsdram (0x00000000, &sdramsz)) { +		printf ("(%u MB SDRAM) ", sdramsz); +	} else { +	/******************************** +     *SDRAM ERROR, HALT PROCESSOR +     *********************************/ +		printf ("SDRAM ERROR\n"); +		while (1); +	} + +#ifndef CONFIG_START_IN_RAM + +#define U32_S ((sdramsz<<18)-1) + +#if 1 +	/* Do a simple memory test */ +	for (i = (u32 *) 0, j = 0; (u32) i < U32_S; i += 2, j += 2) { +		*i = j + (j << 17); +		*(i + 1) = ~(j + (j << 18)); +	} + +	WATCHDOG_RESET (); + +	printf ("."); + +	for (i = (u32 *) 0, j = 0; (u32) i < U32_S; i += 2, j += 2) { +		k = *i; +		if (k != (j + (j << 17))) { +			printf ("Mem test error, i=0x%x, 0x%x\n, 0x%x", (u32) i, j, k); +			while (1); +		} +		k = *(i + 1); +		if (k != ~(j + (j << 18))) { +			printf ("Mem test error(+1), i=0x%x, 0x%x\n, 0x%x", +					(u32) i + 1, j, k); +			while (1); +		} +	} +#endif + +	WATCHDOG_RESET (); + +	/* Clear memory */ +	for (i = (u32 *) 0; (u32) i < U32_S; i++) { +		*i = 0; +	} +#endif /* !start in ram */ + +	WATCHDOG_RESET (); + +	return (sdramsz << 20); +} + +#define POWER_OFFSET    0xF0000 +#define SW_WATCHDOG_REASON 13 + +#define BOOTDATA_OFFSET 0xF8000 +#define MAX_ATTEMPTS 5 + +#define FAILSAFE_BOOT 1 +#define SYSTEM_BOOT   2 + +#define WRITE_FLASH16(a, d)      \ +do                              \ +{                               \ +  *((volatile u16 *) (a)) = (d);\ + } while(0) + +static void write_bootdata (volatile u16 * addr, u8 System, u8 Count) +{ +	u16 data; +	volatile u16 *flash = (u16 *) (CFG_FLASH_BASE); + +	if ((System != FAILSAFE_BOOT) & (System != SYSTEM_BOOT)) { +		printf ("Invalid system data %u, setting failsafe\n", System); +		System = FAILSAFE_BOOT; +	} + +	if ((Count < 1) | (Count > MAX_ATTEMPTS)) { +		printf ("Invalid boot count %u, setting 1\n", Count); +		Count = 1; +	} + +	if (System == FAILSAFE_BOOT) { +		printf ("Setting failsafe boot in flash\n"); +	} else { +		printf ("Setting system boot in flash\n"); +	} +	printf ("Boot attempt %d\n", Count); + +	data = (System << 8) | Count; +	/* AMD 16 bit */ +	WRITE_FLASH16 (&flash[0x555], 0xAAAA); +	WRITE_FLASH16 (&flash[0x2AA], 0x5555); +	WRITE_FLASH16 (&flash[0x555], 0xA0A0); + +	WRITE_FLASH16 (addr, data); +} + +static void maybe_update_restart_reason (volatile u32 * addr32) +{ +	/* Update addr if sw wd restart */ +	volatile u16 *flash = (u16 *) (CFG_FLASH_BASE); +	volatile u16 *addr_16 = (u16 *) addr32; +	u32 rsr; + +	/* Dont reset register now */ +	rsr = ((volatile immap_t *) CFG_IMMR)->im_clkrst.car_rsr; + +	rsr >>= 24; + +	if (rsr & 0x10) { +		/* Was really a sw wd restart, update reason */ + +		printf ("Last restart by software watchdog\n"); + +		/* AMD 16 bit */ +		WRITE_FLASH16 (&flash[0x555], 0xAAAA); +		WRITE_FLASH16 (&flash[0x2AA], 0x5555); +		WRITE_FLASH16 (&flash[0x555], 0xA0A0); + +		WRITE_FLASH16 (addr_16, 0); + +		udelay (1000); + +		WATCHDOG_RESET (); + +		/* AMD 16 bit */ +		WRITE_FLASH16 (&flash[0x555], 0xAAAA); +		WRITE_FLASH16 (&flash[0x2AA], 0x5555); +		WRITE_FLASH16 (&flash[0x555], 0xA0A0); + +		WRITE_FLASH16 (addr_16 + 1, SW_WATCHDOG_REASON); + +	} +} + +static void check_restart_reason (void) +{ +	/* Update restart reason if sw watchdog was +	   triggered */ + +	int i; +	volatile u32 *raddr; + +	raddr = (u32 *) (CFG_FLASH_BASE + POWER_OFFSET); + +	if (*raddr == 0xFFFFFFFF) { +		/* Nothing written */ +		maybe_update_restart_reason (raddr); +	} else { +		/* Search for latest written reason */ +		i = 0; +		while ((*(raddr + 2) != 0xFFFFFFFF) & (i < 2000)) { +			raddr += 2; +			i++; +		} +		if (i >= 2000) { +			/* Whoa, dont write any more */ +			printf ("*** No free restart reason found ***\n"); +		} else { +			/* Check if written */ +			if (*raddr == 0) { +				/* Erased by kernel, no new reason written */ +				maybe_update_restart_reason (raddr + 2); +			} +		} +	} +} + +static void check_boot_tries (void) +{ +	/* Count the number of boot attemps +	   switch system if too many */ + +	int i; +	volatile u16 *addr; +	volatile u16 data; +	int failsafe = 1; +	u8 system; +	u8 count; + +	addr = (u16 *) (CFG_FLASH_BASE + BOOTDATA_OFFSET); + +	if (*addr == 0xFFFF) { +		printf ("*** No bootdata exists. ***\n"); +		write_bootdata (addr, FAILSAFE_BOOT, 1); +	} else { +		/* Search for latest written bootdata */ +		i = 0; +		while ((*(addr + 1) != 0xFFFF) & (i < 8000)) { +			addr++; +			i++; +		} +		if (i >= 8000) { +			/* Whoa, dont write any more */ +			printf ("*** No bootdata found. Not updating flash***\n"); +		} else { +			/* See how many times we have tried to boot real system */ +			data = *addr; +			system = data >> 8; +			count = data & 0xFF; +			if ((system != SYSTEM_BOOT) & (system != FAILSAFE_BOOT)) { +				printf ("*** Wrong system %d\n", system); +				system = FAILSAFE_BOOT; +				count = 1; +			} else { +				switch (count) { +				case 0: +				case 1: +				case 2: +				case 3: +				case 4: +					/* Try same system again if needed */ +					count++; +					break; + +				case 5: +					/* Switch system and reset tries */ +					count = 1; +					system = 3 - system; +					printf ("***Too many boot attempts, switching system***\n"); +					break; +				default: +					/* Switch system, start over and hope it works */ +					printf ("***Unexpected data on addr 0x%x, %u***\n", +							(u32) addr, data); +					count = 1; +					system = 3 - system; +				} +			} +			write_bootdata (addr + 1, system, count); +			if (system == SYSTEM_BOOT) { +				failsafe = 0; +			} +		} +	} +	if (failsafe) { +		printf ("Booting failsafe system\n"); +		setenv ("bootargs", "panic=1 root=/dev/hda7"); +		setenv ("bootcmd", "disk 100000 0:5;bootm 100000"); +	} else { +		printf ("Using normal system\n"); +		setenv ("bootargs", "panic=1 root=/dev/hda4"); +		setenv ("bootcmd", "disk 100000 0:2;bootm 100000"); +	} +} + +int misc_init_r (void) +{ +	u8 Rx[80]; +	u8 Tx[5]; +	int page; +	int read = 0; +	volatile immap_t *immap = (immap_t *) CFG_IMMR; + +	/* Kill fpga */ +	immap->im_ioport.iop_papar &= ~(PA_FL_CONFIG | PA_FL_CE); +	immap->im_ioport.iop_padir |= (PA_FL_CONFIG | PA_FL_CE); +	immap->im_ioport.iop_paodr &= ~(PA_FL_CONFIG | PA_FL_CE); + +	/* Enable fpga, active low */ +	immap->im_ioport.iop_padat &= ~PA_FL_CE; + +	/* Start configuration */ +	immap->im_ioport.iop_padat &= ~PA_FL_CONFIG; +	udelay (2); + +	immap->im_ioport.iop_padat |= (PA_FL_CONFIG | PA_FL_CE); + +	/* Check if we need to boot failsafe system */ +	check_boot_tries (); + +	/* Check if we need to update restart reason */ +	check_restart_reason (); + +	if (ee_init_data ()) { +		printf ("EEPROM init failed\n"); +		return (0); +	} + +	/* Read the pages where ethernet address is stored */ + +	for (page = EE_USER_PAGE_0; page <= EE_USER_PAGE_0 + 2; page++) { +		/* Copy from nvram to scratchpad */ +		Tx[0] = RECALL_MEMORY; +		Tx[1] = page; +		if (ee_do_command (Tx, 2, NULL, 0, TRUE)) { +			printf ("EE user page %d recall failed\n", page); +			return (0); +		} + +		Tx[0] = READ_SCRATCHPAD; +		if (ee_do_command (Tx, 2, Rx + read, 9, TRUE)) { +			printf ("EE user page %d read failed\n", page); +			return (0); +		} +		/* Crc in 9:th byte */ +		if (!ee_crc_ok (Rx + read, 8, *(Rx + read + 8))) { +			printf ("EE read failed, page %d. CRC error\n", page); +			return (0); +		} +		read += 8; +	} + +	/* Add eos after eth addr */ +	Rx[17] = 0; + +	printf ("Ethernet addr read from eeprom: %s\n\n", Rx); + +	if ((Rx[2] != ':') | +		(Rx[5] != ':') | +		(Rx[8] != ':') | (Rx[11] != ':') | (Rx[14] != ':')) { +		printf ("*** ethernet addr invalid, using default ***\n"); +	} else { +		setenv ("ethaddr", Rx); +	} +	return (0); +} diff --git a/board/hermes/hermes.c b/board/hermes/hermes.c new file mode 100644 index 000000000..97a774570 --- /dev/null +++ b/board/hermes/hermes.c @@ -0,0 +1,637 @@ +/* + * (C) Copyright 2000 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <common.h> +#include <commproc.h> +#include <mpc8xx.h> + +#ifdef CONFIG_SHOW_BOOT_PROGRESS +# include <status_led.h> +# define SHOW_BOOT_PROGRESS(arg)	show_boot_progress(arg) +#else +# define SHOW_BOOT_PROGRESS(arg) +#endif + +/* ------------------------------------------------------------------------- */ + +static long int dram_size (long int, long int *, long int); +static ulong board_init (void); +static void send_smi_frame (volatile scc_t * sp, volatile cbd_t * bd, +							uchar * msg); + +/* ------------------------------------------------------------------------- */ + +#define	_NOT_USED_	0xFFFFFFFF + +const uint sdram_table[] = { +	/* +	 * Single Read. (Offset 0 in UPMA RAM) +	 */ +	0x1f07fc04, 0xeeaefc04, 0x11adfc04, 0xefbbbc00, +	0x1ff77c47,					/* last */ +	/* +	 * SDRAM Initialization (offset 5 in UPMA RAM) +	 * +	 * This is no UPM entry point. The following definition uses +	 * the remaining space to establish an initialization +	 * sequence, which is executed by a RUN command. +	 * +	 */ +	0x1fe77c35, 0xffaffc34, 0x1fa57c35,	/* last */ +	/* +	 * Burst Read. (Offset 8 in UPMA RAM) +	 */ +	0x1f07fc04, 0xeeaefc04, 0x10adfc04, 0xf0affc00, +	0xf0affc00, 0xf1affc00, 0xefbbbc00, 0x1ff77c47,	/* last */ +	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, +	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, +	/* +	 * Single Write. (Offset 18 in UPMA RAM) +	 */ +	0x1f27fc04, 0xeeaebc00, 0x01b93c04, 0x1ff77c47,	/* last */ +	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, +	/* +	 * Burst Write. (Offset 20 in UPMA RAM) +	 */ +	0x1f07fc04, 0xeeaebc00, 0x10ad4c00, 0xf0afcc00, +	0xf0afcc00, 0xe1bb8c06, 0x1ff77c47,	/* last */ +	_NOT_USED_, +	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, +	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, +	/* +	 * Refresh  (Offset 30 in UPMA RAM) +	 */ +	0x1ff5fc84, 0xfffffc04, 0xfffffc04, 0xfffffc04, +	0xfffffc84, 0xfffffc07,		/* last */ +	_NOT_USED_, _NOT_USED_, +	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, +	/* +	 * Exception. (Offset 3c in UPMA RAM) +	 */ +	0x7ffffc07,					/* last */ +	_NOT_USED_, _NOT_USED_, _NOT_USED_, +}; + +/* ------------------------------------------------------------------------- */ + + +/* + * Check Board Identity: + * + * Test ID string (HERMES...) + * + * Return code for board revision and network speed + */ + +int checkboard (void) +{ +	DECLARE_GLOBAL_DATA_PTR; + +	unsigned char *s = getenv ("serial#"); +	unsigned char *e; + +	puts ("Board: "); + +	if (!s || strncmp (s, "HERMES", 6)) { +		puts ("### No HW ID - assuming HERMES-PRO"); +	} else { +		for (e = s; *e; ++e) { +			if (*e == ' ') +				break; +		} + +		for (; s < e; ++s) { +			putc (*s); +		} +	} + +	gd->board_type = board_init (); + +	printf ("  Rev. %ld.x\n", (gd->board_type >> 16)); + +	return (0); +} + +/* ------------------------------------------------------------------------- */ + +long int initdram (int board_type) +{ +	volatile immap_t *immap = (immap_t *) CFG_IMMR; +	volatile memctl8xx_t *memctl = &immap->im_memctl; +	long int size, size8, size9; + +	upmconfig (UPMA, (uint *) sdram_table, +			   sizeof (sdram_table) / sizeof (uint)); + +	/* +	 * Preliminary prescaler for refresh +	 */ +	memctl->memc_mptpr = 0x0400; + +	memctl->memc_mar = 0x00000088; + +	/* +	 * Map controller banks 1 to the SDRAM banks at preliminary address +	 */ +	memctl->memc_or1 = CFG_OR1_PRELIM; +	memctl->memc_br1 = CFG_BR1_PRELIM; + +	/* HERMES-PRO boards have only one bank SDRAM */ + + +	udelay (200); + +	/* perform SDRAM initializsation sequence */ + +	memctl->memc_mamr = 0xD0802114; +	memctl->memc_mcr = 0x80002105; +	udelay (1); +	memctl->memc_mamr = 0xD0802118; +	memctl->memc_mcr = 0x80002130; +	udelay (1); +	memctl->memc_mamr = 0xD0802114; +	memctl->memc_mcr = 0x80002106; + +	udelay (1000); + +	/* +	 * Check Bank 0 Memory Size for re-configuration +	 * +	 * try 8 column mode +	 */ +	size8 = dram_size (CFG_MAMR_8COL, (ulong *) SDRAM_BASE_PRELIM, +					   SDRAM_MAX_SIZE); + +	udelay (1000); + +	/* +	 * try 9 column mode +	 */ +	size9 = dram_size (CFG_MAMR_9COL, (ulong *) SDRAM_BASE_PRELIM, +					   SDRAM_MAX_SIZE); + +	if (size8 < size9) {		/* leave configuration at 9 columns */ +		size = size9; +/*	debug ("SDRAM Bank 0 in 9 column mode: %ld MB\n", size >> 20);	*/ +	} else {					/* back to 8 columns            */ +		size = size8; +		memctl->memc_mamr = CFG_MAMR_8COL; +		udelay (500); +/*	debug ("SDRAM Bank 0 in 8 column mode: %ld MB\n", size >> 20);	*/ +	} + +	udelay (1000); + +	memctl->memc_or1 = ((-size) & 0xFFFF0000) | SDRAM_TIMING; +	memctl->memc_br1 = (CFG_SDRAM_BASE & BR_BA_MSK) | BR_MS_UPMA | BR_V; + +	udelay (10000); + +	return (size); +} + +/* ------------------------------------------------------------------------- */ + +/* + * Check memory range for valid RAM. A simple memory test determines + * the actually available RAM size between addresses `base' and + * `base + maxsize'. Some (not all) hardware errors are detected: + * - short between address lines + * - short between data lines + */ + +static long int dram_size (long int mamr_value, long int *base, +						   long int maxsize) +{ +	volatile immap_t *immap = (immap_t *) CFG_IMMR; +	volatile memctl8xx_t *memctl = &immap->im_memctl; +	volatile long int *addr; +	ulong cnt, val; +	ulong save[32];				/* to make test non-destructive */ +	unsigned char i = 0; + +	memctl->memc_mamr = mamr_value; + +	for (cnt = maxsize / sizeof (long); cnt > 0; cnt >>= 1) { +		addr = base + cnt;		/* pointer arith! */ + +		save[i++] = *addr; +		*addr = ~cnt; +	} + +	/* write 0 to base address */ +	addr = base; +	save[i] = *addr; +	*addr = 0; + +	/* check at base address */ +	if ((val = *addr) != 0) { +		*addr = save[i]; +		return (0); +	} + +	for (cnt = 1; cnt <= maxsize / sizeof (long); cnt <<= 1) { +		addr = base + cnt;		/* pointer arith! */ + +		val = *addr; +		*addr = save[--i]; + +		if (val != (~cnt)) { +			return (cnt * sizeof (long)); +		} +	} +	return (maxsize); +} + +/* ------------------------------------------------------------------------- */ + +#define	PB_LED_3	0x00020000	/* Status LED's */ +#define PB_LED_2	0x00010000 +#define PB_LED_1	0x00008000 +#define PB_LED_0	0x00004000 + +#define PB_LED_ALL	(PB_LED_0 | PB_LED_1 | PB_LED_2 | PB_LED_3) + +#define	PC_REP_SPD1	0x00000800 +#define PC_REP_SPD0	0x00000400 + +#define PB_RESET_2081	0x00000020	/* Reset PEB2081 */ + +#define PB_MAI_4	0x00000010	/* Configuration */ +#define PB_MAI_3	0x00000008 +#define PB_MAI_2	0x00000004 +#define PB_MAI_1	0x00000002 +#define PB_MAI_0	0x00000001 + +#define PB_MAI_ALL	(PB_MAI_0 | PB_MAI_1 | PB_MAI_2 | PB_MAI_3 | PB_MAI_4) + + +#define	PC_REP_MGRPRS	0x0200 +#define PC_REP_SPD	0x0040		/* Select 100 Mbps */ +#define PC_REP_RES	0x0004 +#define PC_BIT14	0x0002		/* ??? */ +#define PC_BIT15	0x0001		/* ??? ENDSL ?? */ + +/* ------------------------------------------------------------------------- */ + +static ulong board_init (void) +{ +	volatile immap_t *immr = (immap_t *) CFG_IMMR; +	ulong reg, revision, speed = 100; +	int ethspeed; +	char *s; + +	if ((s = getenv ("ethspeed")) != NULL) { +		if (strcmp (s, "100") == 0) { +			ethspeed = 100; +		} else if (strcmp (s, "10") == 0) { +			ethspeed = 10; +		} else { +			ethspeed = 0; +		} +	} else { +		ethspeed = 0; +	} + +	/* Configure Port B Output Pins => 0x0003cc3F */ +	reg = PB_LED_ALL | PC_REP_SPD1 | PC_REP_SPD0 | PB_RESET_2081 | +			PB_MAI_ALL; +	immr->im_cpm.cp_pbpar &= ~reg; +	immr->im_cpm.cp_pbodr &= ~reg; +	immr->im_cpm.cp_pbdat &= ~reg;	/* all 0 */ +	immr->im_cpm.cp_pbdir |= reg; + +	/* Check hardware revision */ +	if ((immr->im_ioport.iop_pcdat & 0x0003) == 0x0003) { +		/* +		 * Revision 3.x hardware +		 */ +		revision = 3; + +		immr->im_ioport.iop_pcdat = 0x0240; +		immr->im_ioport.iop_pcdir = (PC_REP_MGRPRS | PC_REP_SPD | PC_REP_RES | PC_BIT14);	/* = 0x0246 */ +		immr->im_ioport.iop_pcdat |= PC_REP_RES; +	} else { +		immr->im_ioport.iop_pcdat = 0x0002; +		immr->im_ioport.iop_pcdir = (PC_REP_MGRPRS | PC_REP_RES | PC_BIT14 | PC_BIT15);	/* = 0x0207 */ + +		if ((immr->im_ioport.iop_pcdat & PC_REP_SPD) == 0) { +			/* +			 * Revision 2.x hardware: PC9 connected to PB21 +			 */ +			revision = 2; + +			if (ethspeed == 0) { +				/* both 10 and 100 Mbps allowed: +				 * select 10 Mbps and autonegotiation +				 */ +				puts ("  [10+100]"); +				immr->im_cpm.cp_pbdat = 0;	/* SPD1:SPD0 = 0:0 - autonegot. */ +				speed = 10; +			} else if (ethspeed == 10) { +				/* we are asked for 10 Mbps, +				 * so select 10 Mbps +				 */ +				puts ("  [10]"); +				immr->im_cpm.cp_pbdat = 0;	/* ??? */ +				speed = 10; +			} else { +				/* anything else: +				 * select 100 Mbps +				 */ +				puts ("  [100]"); +				immr->im_cpm.cp_pbdat = PC_REP_SPD0 | PC_REP_SPD1; +				/* SPD1:SPD0 = 1:1 - 100 Mbps */ +				speed = 100; +			} +			immr->im_ioport.iop_pcdat |= (PC_REP_RES | PC_BIT14); + +			/* must be run from RAM  */ +			/* start_lxt980 (speed); */ +		/*************************/ +		} else { +			/* +			 * Revision 1.x hardware +			 */ +			revision = 1; + +			immr->im_ioport.iop_pcdat = PC_REP_MGRPRS | PC_BIT14;	/* = 0x0202 */ +			immr->im_ioport.iop_pcdir = (PC_REP_MGRPRS | PC_REP_SPD | PC_REP_RES | PC_BIT14 | PC_BIT15);	/* = 0x0247 */ + +			if (ethspeed == 0) { +				/* both 10 and 100 Mbps allowed: +				 * select 100 Mbps and autonegotiation +				 */ +				puts ("  [10+100]"); +				immr->im_cpm.cp_pbdat = 0;	/* SPD1:SPD0 = 0:0 - autonegot. */ +				immr->im_ioport.iop_pcdat |= PC_REP_SPD; +			} else if (ethspeed == 10) { +				/* we are asked for 10 Mbps, +				   * so select 10 Mbps +				 */ +				puts ("  [10]"); +				immr->im_cpm.cp_pbdat = PC_REP_SPD0;	/* SPD1:SPD0 = 0:1 - 10 Mbps */ +			} else { +				/* anything else: +				   * select 100 Mbps +				 */ +				puts ("  [100]"); +				immr->im_cpm.cp_pbdat = PC_REP_SPD0 | PC_REP_SPD1; +				/* SPD1:SPD0 = 1:1 - 100 Mbps */ +				immr->im_ioport.iop_pcdat |= PC_REP_SPD; +			} + +			immr->im_ioport.iop_pcdat |= PC_REP_RES; +		} +	} +	SHOW_BOOT_PROGRESS (0x00); + +	return ((revision << 16) | (speed & 0xFFFF)); +} + +/* ------------------------------------------------------------------------- */ + +#define SCC_SM		1			/* Index => SCC2 */ +#define	PROFF		PROFF_SCC2 + +#define SMI_MSGLEN	8			/* Length of SMI Messages        */ + +#define PHYGPCR_ADDR	0x109	/* Port Enable               */ +#define PHYPCR_ADDR	0x132		/* PHY Port Control Reg. (port 1)    */ +#define LEDPCR_ADDR	0x141		/* LED Port Control Reg.         */ +#define RPRESET_ADDR	0x144	/* Repeater Reset            */ + +#define PHYPCR_SPEED	0x2000	/* on for 100 Mbps, off for 10 Mbps  */ +#define PHYPCR_AN	0x1000		/* on to enable  Auto-Negotiation    */ +#define PHYPCR_REST_AN	0x0200	/* on to restart Auto-Negotiation    */ +#define PHYPCR_FDX	0x0100		/* on for Full Duplex, off for HDX   */ +#define PHYPCR_COLT	0x0080		/* on to enable COL signal test      */ + +/* ------------------------------------------------------------------------- */ + +/* + * Must run from RAM: + * uses parameter RAM area which is used for stack while running from ROM + */ +void hermes_start_lxt980 (int speed) +{ +	volatile immap_t *immr = (immap_t *) CFG_IMMR; +	volatile cpm8xx_t *cp = (cpm8xx_t *) & (immr->im_cpm); +	volatile scc_t *sp = (scc_t *) & (cp->cp_scc[SCC_SM]); +	volatile cbd_t *bd; +	volatile hdlc_pram_t *hp; +	uchar smimsg[SMI_MSGLEN]; +	ushort phypcrval; +	uint bd_off; +	int pnr; + +	printf ("LXT9880: %3d Mbps\n", speed); + +	immr->im_ioport.iop_paodr |= 0x0008;	/* init PAODR: PA12 (TXD2) open drain */ +	immr->im_ioport.iop_papar |= 0x400c;	/* init PAPAR: TXD2, RXD2, BRGO4 */ +	immr->im_ioport.iop_padir &= 0xbff3;	/* init PADIR: BRGO4 */ +	immr->im_ioport.iop_padir |= 0x4000; + +	/* get temporary BD; no need for permanent alloc */ +	bd_off = dpram_base_align (8); + +	bd = (cbd_t *) (immr->im_cpm.cp_dpmem + bd_off); + +	bd->cbd_bufaddr = 0; +	bd->cbd_datlen = 0; +	bd->cbd_sc = BD_SC_WRAP | BD_SC_LAST | BD_SC_INTRPT | BD_SC_TC; + +	/* init. baudrate generator BRG4 */ +	cp->cp_brgc4 = (0x00010000 | (50 << 1));	/* output 1 MHz */ + +	cp->cp_sicr &= 0xFFFF00FF;	/* SICR: mask SCC2 */ +	cp->cp_sicr |= 0x00001B00;	/* SICR: SCC2 clk BRG4 */ + +	/* init SCC_SM register */ +	sp->scc_psmr = 0x0000;		/* init PSMR: no additional flags */ +	sp->scc_todr = 0x0000; +	sp->scc_dsr = 0x7e7e; + +	/* init. SCC_SM parameter area */ +	hp = (hdlc_pram_t *) & cp->cp_dparam[PROFF]; + +	hp->tbase = bd_off;			/* offset from beginning of DPRAM */ + +	hp->rfcr = 0x18; +	hp->tfcr = 0x18; +	hp->mrblr = 10; + +	hp->c_mask = 0x0000f0b8; +	hp->c_pres = 0x0000ffff; + +	hp->disfc = 0; +	hp->crcec = 0; +	hp->abtsc = 0; +	hp->nmarc = 0; +	hp->retrc = 0; + +	hp->mflr = 10; + +	hp->rfthr = 1; + +	hp->hmask = 0; +	hp->haddr1 = 0; +	hp->haddr2 = 0; +	hp->haddr3 = 0; +	hp->haddr4 = 0; + +	cp->cp_cpcr = SCC_SM << 6 | 0x0001;	/* SCC_SM: init TX/RX params */ +	while (cp->cp_cpcr & CPM_CR_FLG); + +	/* clear all outstanding SCC events */ +	sp->scc_scce = ~0; + +	/* enable transmitter: GSMR_L: TPL=2(16bits), TPP=3(all ones), ENT */ +	sp->scc_gsmrh = 0; +	sp->scc_gsmrl |= SCC_GSMRL_TPL_16 | SCC_GSMRL_TPP_ALL1 | +			SCC_GSMRL_ENT | SCC_GSMRL_MODE_HDLC; + +#if 0 +	smimsg[0] = 0x00;			/* CHIP/HUB ID */ +	smimsg[1] = 0x38;			/* WRITE CMD */ +	smimsg[2] = (RPRESET_ADDR << 4) & 0xf0; +	smimsg[3] = RPRESET_ADDR >> 4; +	smimsg[4] = 0x01; +	smimsg[5] = 0x00; +	smimsg[6] = 0x00; +	smimsg[7] = 0x00; + +	send_smi_frame (sp, bd, smimsg); +#endif + +	smimsg[0] = 0x7f;			/* BROADCAST */ +	smimsg[1] = 0x34;			/* ASSIGN HUB ID */ +	smimsg[2] = 0x00; +	smimsg[3] = 0x00; +	smimsg[4] = 0x00;			/* HUB ID = 0 */ +	smimsg[5] = 0x00; +	smimsg[6] = 0x00; +	smimsg[7] = 0x00; + +	send_smi_frame (sp, bd, smimsg); + +	smimsg[0] = 0x7f;			/* BROADCAST */ +	smimsg[1] = 0x3c;			/* SET ARBOUT TO 0 */ +	smimsg[2] = 0x00;			/* ADDRESS = 0 */ +	smimsg[3] = 0x00; +	smimsg[4] = 0x00;			/* DATA = 0 */ +	smimsg[5] = 0x00; +	smimsg[6] = 0x00; +	smimsg[7] = 0x00; + +	send_smi_frame (sp, bd, smimsg); + +	if (speed == 100) { +		phypcrval = PHYPCR_SPEED;	/* 100 MBIT, disable autoneg. */ +	} else { +		phypcrval = 0;			/* 10 MBIT, disable autoneg. */ +	} + +	/* send MSGs */ +	for (pnr = 0; pnr < 8; pnr++) { +		smimsg[0] = 0x00;		/* CHIP/HUB ID */ +		smimsg[1] = 0x38;		/* WRITE CMD */ +		smimsg[2] = ((PHYPCR_ADDR + pnr) << 4) & 0xf0; +		smimsg[3] = (PHYPCR_ADDR + pnr) >> 4; +		smimsg[4] = (unsigned char) (phypcrval & 0xff); +		smimsg[5] = (unsigned char) (phypcrval >> 8); +		smimsg[6] = 0x00; +		smimsg[7] = 0x00; + +		send_smi_frame (sp, bd, smimsg); +	} + +	smimsg[0] = 0x00;			/* CHIP/HUB ID */ +	smimsg[1] = 0x38;			/* WRITE CMD */ +	smimsg[2] = (PHYGPCR_ADDR << 4) & 0xf0; +	smimsg[3] = PHYGPCR_ADDR >> 4; +	smimsg[4] = 0xff;			/* enable port 1-8 */ +	smimsg[5] = 0x01;			/* enable MII1 (0x01) */ +	smimsg[6] = 0x00; +	smimsg[7] = 0x00; + +	send_smi_frame (sp, bd, smimsg); + +	smimsg[0] = 0x00;			/* CHIP/HUB ID */ +	smimsg[1] = 0x38;			/* WRITE CMD */ +	smimsg[2] = (LEDPCR_ADDR << 4) & 0xf0; +	smimsg[3] = LEDPCR_ADDR >> 4; +	smimsg[4] = 0xaa;			/* Port 1-8 Conf.bits = 10 (Hardware control) */ +	smimsg[5] = 0xaa; +	smimsg[6] = 0x00; +	smimsg[7] = 0x00; + +	send_smi_frame (sp, bd, smimsg); + +	/* +	 * Disable Transmitter (so that we can free the BD, too) +	 */ +	sp->scc_gsmrl &= ~SCC_GSMRL_ENT; +} + +/* ------------------------------------------------------------------------- */ + +static void send_smi_frame (volatile scc_t * sp, volatile cbd_t * bd, +							uchar * msg) +{ +#ifdef DEBUG +	unsigned hub, chip, cmd, length, addr; + +	hub = msg[0] & 0x1F; +	chip = msg[0] >> 5; +	cmd = msg[1] & 0x1F; +	length = (msg[1] >> 5) | ((msg[2] & 0x0F) << 3); +	addr = (msg[2] >> 4) | (msg[3] << 4); + +	printf ("SMI send: Hub %02x Chip %x Cmd %02x Len %d Addr %03x: " +			"%02x %02x %02x %02x\n", +			hub, chip, cmd, length, addr, msg[4], msg[5], msg[6], msg[7]); +#endif /* DEBUG */ + +	bd->cbd_bufaddr = (uint) msg; +	bd->cbd_datlen = SMI_MSGLEN; +	bd->cbd_sc |= BD_SC_READY; + +	/* wait for msg transmitted */ +	while ((sp->scc_scce & 0x0002) == 0); +	/* clear all events */ +	sp->scc_scce = ~0; +} + +/* ------------------------------------------------------------------------- */ + +void show_boot_progress (int status) +{ +	volatile immap_t *immr = (immap_t *) CFG_IMMR; + +	status ^= 0x0F; +	status = (status & 0x0F) << 14; +	immr->im_cpm.cp_pbdat = (immr->im_cpm.cp_pbdat & ~PB_LED_ALL) | status; +} + +/* ------------------------------------------------------------------------- */ diff --git a/board/hymod/bsp.c b/board/hymod/bsp.c new file mode 100644 index 000000000..a33c97c60 --- /dev/null +++ b/board/hymod/bsp.c @@ -0,0 +1,307 @@ +/* + * (C) Copyright 2000 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + * + * hacked for Hymod FPGA support by Murray.Jensen@cmst.csiro.au, 29-Jan-01 + */ + +#include <common.h> +#include <command.h> +#include <net.h> +#include <i2c.h> +#include <asm/iopin_8260.h> +#include <cmd_bsp.h> + +/*----------------------------------------------------------------------- + * Board Special Commands: FPGA load/store, EEPROM erase + */ + +#if (CONFIG_COMMANDS & CFG_CMD_BSP) + +#define LOAD_SUCCESS		0 +#define LOAD_FAIL_NOCONF	1 +#define LOAD_FAIL_NOINIT	2 +#define LOAD_FAIL_NODONE	3 + +#define STORE_SUCCESS		0 + +/* + * Programming the Hymod FPGAs + * + * The 8260 io port config table is set up so that the INIT pin is + * held Low (Open Drain output 0) - this will delay the automatic + * Power-On config until INIT is released (by making it an input). + * + * If the FPGA has been programmed before, then the assertion of PROGRAM + * will initiate configuration (i.e. it begins clearing the RAM). + * + * When the FPGA is ready to receive configuration data (either after + * releasing INIT after Power-On, or after asserting PROGRAM), it will + * pull INIT high. + * + * Notes from Paul Dunn: + * + *  1. program pin should be forced low for >= 300ns + *     (about 20 bus clock cycles minimum). + * + *  2. then wait for init to go high, which signals + *     that the FPGA has cleared its internal memory + *     and is ready to load + * + *  3. perform load writes of entire config file + * + *  4. wait for done to go high, which should be + *     within a few bus clock cycles. If done has not + *     gone high after reasonable period, then load + *     has not worked (wait several ms?) + */ + +int fpga_load (int mezz, uchar * addr, ulong size) +{ +	DECLARE_GLOBAL_DATA_PTR; + +	hymod_conf_t *cp = &gd->bd->bi_hymod_conf; +	xlx_iopins_t *fpgaio; +	volatile uchar *fpgabase; +	volatile uint cnt; +	uchar *eaddr = addr + size; +	int result; + +	if (mezz) { +		if (!cp->mezz.mmap[0].prog.exists) +			return (LOAD_FAIL_NOCONF); +		fpgabase = (uchar *) cp->mezz.mmap[0].prog.base; +		fpgaio = &cp->mezz.iopins[0]; +	} else { +		if (!cp->main.mmap[0].prog.exists) +			return (LOAD_FAIL_NOCONF); +		fpgabase = (uchar *) cp->main.mmap[0].prog.base; +		fpgaio = &cp->main.iopins[0]; +	} + +	/* set enable HIGH if required */ +	if (fpgaio->enable_pin.flag) +		iopin_set_high (&fpgaio->enable_pin); + +	/* ensure INIT is released (set it to be an input) */ +	iopin_set_in (&fpgaio->init_pin); + +	/* toggle PROG Low then High (will already be Low after Power-On) */ +	iopin_set_low (&fpgaio->prog_pin); +	udelay (1);					/* minimum 300ns - 1usec should do it */ +	iopin_set_high (&fpgaio->prog_pin); + +	/* wait for INIT High */ +	cnt = 0; +	while (!iopin_is_high (&fpgaio->init_pin)) +		if (++cnt == 10000000) { +			result = LOAD_FAIL_NOINIT; +			goto done; +		} + +	/* write configuration data */ +	while (addr < eaddr) +		*fpgabase = *addr++; + +	/* wait for DONE High */ +	cnt = 0; +	while (!iopin_is_high (&fpgaio->done_pin)) +		if (++cnt == 100000000) { +			result = LOAD_FAIL_NODONE; +			goto done; +		} + +	/* success */ +	result = LOAD_SUCCESS; + +  done: + +	if (fpgaio->enable_pin.flag) +		iopin_set_low (&fpgaio->enable_pin); + +	return (result); +} + +/* ------------------------------------------------------------------------- */ +int +do_fpga (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) +{ +	uchar *addr, *save_addr; +	ulong size; +	int mezz, arg, result; + +	switch (argc) { + +	case 0: +	case 1: +		break; + +	case 2: +		if (strcmp (argv[1], "info") == 0) { +			printf ("\nHymod FPGA Info...\n"); +			printf ("				Address		Size\n"); +			printf ("	Main Configuration:	0x%08x	%d\n", +					FPGA_MAIN_CFG_BASE, FPGA_MAIN_CFG_SIZE); +			printf ("	Main Register:		0x%08x	%d\n", +					FPGA_MAIN_REG_BASE, FPGA_MAIN_REG_SIZE); +			printf ("	Main Port:		0x%08x	%d\n", +					FPGA_MAIN_PORT_BASE, FPGA_MAIN_PORT_SIZE); +			printf ("	Mezz Configuration:	0x%08x	%d\n", +					FPGA_MEZZ_CFG_BASE, FPGA_MEZZ_CFG_SIZE); +			return 0; +		} +		break; + +	case 3: +		if (strcmp (argv[1], "store") == 0) { +			addr = (uchar *) simple_strtoul (argv[2], NULL, 16); + +			save_addr = addr; +#if 0 +			/* reading config data unimplemented */ +			while VM +			  :more config data * addr++ = *fpga; +		  result = VM:? ? ? +#else +			result = 0; +#endif +			if (result == STORE_SUCCESS) { +				printf ("SUCCEEDED (%d bytes)\n", addr - save_addr); +				return 0; +			} else +				printf ("FAILED (%d bytes)\n", addr - save_addr); +			return 1; +		} +		break; + +	case 4: +		if (strcmp (argv[1], "tftp") == 0) { +			copy_filename (BootFile, argv[2], sizeof (BootFile)); +			load_addr = simple_strtoul (argv[3], NULL, 16); + +			if (NetLoop (TFTP) == 0) { +				printf ("tftp transfer failed - aborting fgpa load\n"); +				return 1; +			} + +			if (NetBootFileXferSize == 0) { +				printf ("can't determine file size - aborting fpga load\n"); +				return 1; +			} + +			printf ("File transfer succeeded - beginning fpga load..."); + +			result = fpga_load (0, (uchar *) load_addr, +								NetBootFileXferSize); +			if (result == LOAD_SUCCESS) { +				printf ("SUCCEEDED\n"); +				return 0; +			} else if (result == LOAD_FAIL_NOINIT) +				printf ("FAILED (no INIT)\n"); +			else +				printf ("FAILED (no DONE)\n"); +			return 1; + +		} +		/* fall through ... */ + +	case 5: +		if (strcmp (argv[1], "load") == 0) { +			if (argc == 5) { +				if (strcmp (argv[2], "main") == 0) +					mezz = 0; +				else if (strcmp (argv[2], "mezz") == 0) +					mezz = 1; +				else { +					printf ("FPGA type must be either `main' or `mezz'\n"); +					return 1; +				} +				arg = 3; +			} else { +				mezz = 0; +				arg = 2; +			} +			addr = (uchar *) simple_strtoul (argv[arg++], NULL, 16); +			size = (ulong) simple_strtoul (argv[arg], NULL, 16); + +			result = fpga_load (mezz, addr, size); +			if (result == LOAD_SUCCESS) { +				printf ("SUCCEEDED\n"); +				return 0; +			} else if (result == LOAD_FAIL_NOINIT) +				printf ("FAILED (no INIT)\n"); +			else +				printf ("FAILED (no DONE)\n"); +			return 1; +		} +		break; + +	default: +		break; +	} + +	printf ("Usage:\n%s\n", cmdtp->usage); +	return 1; +} + +/* ------------------------------------------------------------------------- */ +int +do_eecl (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) +{ +	uchar data[HYMOD_EEPROM_SIZE]; +	uint offset; +	int rcode = 0; + +	switch (argc) { + +	case 1: +		offset = HYMOD_EEOFF_MAIN; +		break; + +	case 2: +		if (strcmp (argv[1], "main") == 0) { +			offset = HYMOD_EEOFF_MAIN; +			break; +		} +		if (strcmp (argv[1], "mezz") == 0) { +			offset = HYMOD_EEOFF_MEZZ; +			break; +		} +		/* fall through ... */ + +	default: +		printf ("Usage:\n%s\n", cmdtp->usage); +		return 1; +	} + +	memset (data, 0, HYMOD_EEPROM_SIZE); +	if (i2c_write +		(CFG_I2C_EEPROM_ADDR | offset, 0, CFG_I2C_EEPROM_ADDR_LEN, data, +		 HYMOD_EEPROM_SIZE)) { +		rcode = 1; +	} + +	return rcode; +} + +#endif							/* CFG_CMD_BSP */ + +/* ------------------------------------------------------------------------- */ diff --git a/board/hymod/hymod.c b/board/hymod/hymod.c new file mode 100644 index 000000000..829f25411 --- /dev/null +++ b/board/hymod/hymod.c @@ -0,0 +1,802 @@ +/* + * (C) Copyright 2000 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + * + * Hacked for the Hymod board by Murray.Jensen@cmst.csiro.au, 20-Oct-00 + */ + +#include <common.h> +#include <mpc8260.h> +#include <ioports.h> +#include <i2c.h> +#include <asm/iopin_8260.h> + +/* ------------------------------------------------------------------------- */ + +/* imports from eeprom.c */ +extern int eeprom_load (unsigned, hymod_eeprom_t *); +extern int eeprom_fetch (unsigned, char *, ulong); +extern void eeprom_print (hymod_eeprom_t *); + +/* imports from fetch.c */ +extern int fetch_and_parse (char *, ulong, int (*)(uchar *, uchar *)); + +/* imports from common/main.c */ +extern char console_buffer[CFG_CBSIZE]; + +/* ------------------------------------------------------------------------- */ + +/* + * I/O Port configuration table + * + * if conf is 1, then that port pin will be configured at boot time + * according to the five values podr/pdir/ppar/psor/pdat for that entry + */ + +const iop_conf_t iop_conf_tab[4][32] = { + +	/* Port A configuration */ +	{							/*        conf ppar psor pdir podr pdat */ +									/* PA31 */ {1, 1, 1, 0, 0, 0}, +									/* FCC1 MII COL */ +									/* PA30 */ {1, 1, 1, 0, 0, 0}, +									/* FCC1 MII CRS */ +									/* PA29 */ {1, 1, 1, 1, 0, 0}, +									/* FCC1 MII TX_ER */ +									/* PA28 */ {1, 1, 1, 1, 0, 0}, +									/* FCC1 MII TX_EN */ +									/* PA27 */ {1, 1, 1, 0, 0, 0}, +									/* FCC1 MII RX_DV */ +									/* PA26 */ {1, 1, 1, 0, 0, 0}, +									/* FCC1 MII RX_ER */ +									/* PA25 */ {1, 0, 0, 1, 0, 0}, +									/* FCC2 MII MDIO */ +									/* PA24 */ {1, 0, 0, 1, 0, 0}, +									/* FCC2 MII MDC */ +									/* PA23 */ {1, 0, 0, 1, 0, 0}, +									/* FCC3 MII MDIO */ +									/* PA22 */ {1, 0, 0, 1, 0, 0}, +									/* FCC3 MII MDC */ +									/* PA21 */ {1, 1, 0, 1, 0, 0}, +									/* FCC1 MII TxD[3] */ +									/* PA20 */ {1, 1, 0, 1, 0, 0}, +									/* FCC1 MII TxD[2] */ +									/* PA19 */ {1, 1, 0, 1, 0, 0}, +									/* FCC1 MII TxD[1] */ +									/* PA18 */ {1, 1, 0, 1, 0, 0}, +									/* FCC1 MII TxD[0] */ +									/* PA17 */ {1, 1, 0, 0, 0, 0}, +									/* FCC1 MII RxD[3] */ +									/* PA16 */ {1, 1, 0, 0, 0, 0}, +									/* FCC1 MII RxD[2] */ +									/* PA15 */ {1, 1, 0, 0, 0, 0}, +									/* FCC1 MII RxD[1] */ +									/* PA14 */ {1, 1, 0, 0, 0, 0}, +									/* FCC1 MII RxD[0] */ +									/* PA13 */ {1, 0, 0, 1, 0, 0}, +									/* FCC1 MII MDIO */ +									/* PA12 */ {1, 0, 0, 1, 0, 0}, +									/* FCC1 MII MDC */ +									/* PA11 */ {1, 0, 0, 1, 0, 0}, +									/* SEL_CD */ +									/* PA10 */ {1, 0, 0, 0, 0, 0}, +									/* FLASH STS1 */ +									/* PA9  */ {1, 0, 0, 0, 0, 0}, +									/* FLASH STS0 */ +									/* PA8  */ {1, 0, 0, 0, 0, 0}, +									/* FLASH ~PE */ +									/* PA7  */ {1, 0, 0, 0, 0, 0}, +									/* WATCH ~HRESET */ +									/* PA6  */ {1, 0, 0, 0, 1, 0}, +									/* VC DONE */ +									/* PA5  */ {1, 0, 0, 1, 1, 0}, +									/* VC INIT */ +									/* PA4  */ {1, 0, 0, 1, 0, 0}, +									/* VC ~PROG */ +									/* PA3  */ {1, 0, 0, 1, 0, 0}, +									/* VM ENABLE */ +									/* PA2  */ {1, 0, 0, 0, 1, 0}, +									/* VM DONE */ +									/* PA1  */ {1, 0, 0, 1, 1, 0}, +									/* VM INIT */ +									/* PA0  */ {1, 0, 0, 1, 0, 0} +									/* VM ~PROG */ +	 }, + +	/* Port B configuration */ +	{							/*        conf ppar psor pdir podr pdat */ +									/* PB31 */ {1, 1, 0, 1, 0, 0}, +									/* FCC2 MII TX_ER */ +									/* PB30 */ {1, 1, 0, 0, 0, 0}, +									/* FCC2 MII RX_DV */ +									/* PB29 */ {1, 1, 1, 1, 0, 0}, +									/* FCC2 MII TX_EN */ +									/* PB28 */ {1, 1, 0, 0, 0, 0}, +									/* FCC2 MII RX_ER */ +									/* PB27 */ {1, 1, 0, 0, 0, 0}, +									/* FCC2 MII COL */ +									/* PB26 */ {1, 1, 0, 0, 0, 0}, +									/* FCC2 MII CRS */ +									/* PB25 */ {1, 1, 0, 1, 0, 0}, +									/* FCC2 MII TxD[3] */ +									/* PB24 */ {1, 1, 0, 1, 0, 0}, +									/* FCC2 MII TxD[2] */ +									/* PB23 */ {1, 1, 0, 1, 0, 0}, +									/* FCC2 MII TxD[1] */ +									/* PB22 */ {1, 1, 0, 1, 0, 0}, +									/* FCC2 MII TxD[0] */ +									/* PB21 */ {1, 1, 0, 0, 0, 0}, +									/* FCC2 MII RxD[0] */ +									/* PB20 */ {1, 1, 0, 0, 0, 0}, +									/* FCC2 MII RxD[1] */ +									/* PB19 */ {1, 1, 0, 0, 0, 0}, +									/* FCC2 MII RxD[2] */ +									/* PB18 */ {1, 1, 0, 0, 0, 0}, +									/* FCC2 MII RxD[3] */ +									/* PB17 */ {1, 1, 0, 0, 0, 0}, +									/* FCC3 MII RX_DV */ +									/* PB16 */ {1, 1, 0, 0, 0, 0}, +									/* FCC3 MII RX_ER */ +									/* PB15 */ {1, 1, 0, 1, 0, 0}, +									/* FCC3 MII TX_ER */ +									/* PB14 */ {1, 1, 0, 1, 0, 0}, +									/* FCC3 MII TX_EN */ +									/* PB13 */ {1, 1, 0, 0, 0, 0}, +									/* FCC3 MII COL */ +									/* PB12 */ {1, 1, 0, 0, 0, 0}, +									/* FCC3 MII CRS */ +									/* PB11 */ {1, 1, 0, 0, 0, 0}, +									/* FCC3 MII RxD[3] */ +									/* PB10 */ {1, 1, 0, 0, 0, 0}, +									/* FCC3 MII RxD[2] */ +									/* PB9  */ {1, 1, 0, 0, 0, 0}, +									/* FCC3 MII RxD[1] */ +									/* PB8  */ {1, 1, 0, 0, 0, 0}, +									/* FCC3 MII RxD[0] */ +									/* PB7  */ {1, 1, 0, 1, 0, 0}, +									/* FCC3 MII TxD[3] */ +									/* PB6  */ {1, 1, 0, 1, 0, 0}, +									/* FCC3 MII TxD[2] */ +									/* PB5  */ {1, 1, 0, 1, 0, 0}, +									/* FCC3 MII TxD[1] */ +									/* PB4  */ {1, 1, 0, 1, 0, 0}, +									/* FCC3 MII TxD[0] */ +									/* PB3  */ {0, 0, 0, 0, 0, 0}, +									/* pin doesn't exist */ +									/* PB2  */ {0, 0, 0, 0, 0, 0}, +									/* pin doesn't exist */ +									/* PB1  */ {0, 0, 0, 0, 0, 0}, +									/* pin doesn't exist */ +									/* PB0  */ {0, 0, 0, 0, 0, 0} +									/* pin doesn't exist */ +	 }, + +	/* Port C */ +	{							/*        conf ppar psor pdir podr pdat */ +									/* PC31 */ {1, 0, 0, 0, 0, 0}, +									/* MEZ ~IACK */ +	 /* PC30 */ {0, 0, 0, 0, 0, 0}, +									/* PC29 */ {1, 1, 0, 0, 0, 0}, +									/* CLK SCCx */ +									/* PC28 */ {1, 1, 0, 0, 0, 0}, +									/* CLK4 */ +									/* PC27 */ {1, 1, 0, 0, 0, 0}, +									/* CLK SCCF */ +									/* PC26 */ {1, 1, 0, 0, 0, 0}, +									/* CLK 32K */ +									/* PC25 */ {1, 1, 0, 0, 0, 0}, +									/* BRG4/CLK7 */ +	 /* PC24 */ {0, 0, 0, 0, 0, 0}, +									/* PC23 */ {1, 1, 0, 0, 0, 0}, +									/* CLK SCCx */ +									/* PC22 */ {1, 1, 0, 0, 0, 0}, +									/* FCC1 MII RX_CLK */ +									/* PC21 */ {1, 1, 0, 0, 0, 0}, +									/* FCC1 MII TX_CLK */ +									/* PC20 */ {1, 1, 0, 0, 0, 0}, +									/* CLK SCCF */ +									/* PC19 */ {1, 1, 0, 0, 0, 0}, +									/* FCC2 MII RX_CLK */ +									/* PC18 */ {1, 1, 0, 0, 0, 0}, +									/* FCC2 MII TX_CLK */ +									/* PC17 */ {1, 1, 0, 0, 0, 0}, +									/* FCC3 MII RX_CLK */ +									/* PC16 */ {1, 1, 0, 0, 0, 0}, +									/* FCC3 MII TX_CLK */ +									/* PC15 */ {1, 0, 0, 0, 0, 0}, +									/* SCC1 UART ~CTS */ +									/* PC14 */ {1, 0, 0, 0, 0, 0}, +									/* SCC1 UART ~CD */ +									/* PC13 */ {1, 0, 0, 0, 0, 0}, +									/* SCC2 UART ~CTS */ +									/* PC12 */ {1, 0, 0, 0, 0, 0}, +									/* SCC2 UART ~CD */ +									/* PC11 */ {1, 0, 0, 1, 0, 0}, +									/* SCC1 UART ~DTR */ +									/* PC10 */ {1, 0, 0, 1, 0, 0}, +									/* SCC1 UART ~DSR */ +									/* PC9  */ {1, 0, 0, 1, 0, 0}, +									/* SCC2 UART ~DTR */ +									/* PC8  */ {1, 0, 0, 1, 0, 0}, +									/* SCC2 UART ~DSR */ +									/* PC7  */ {1, 0, 0, 0, 0, 0}, +									/* TEMP ~ALERT */ +									/* PC6  */ {1, 0, 0, 0, 0, 0}, +									/* FCC3 INT */ +									/* PC5  */ {1, 0, 0, 0, 0, 0}, +									/* FCC2 INT */ +									/* PC4  */ {1, 0, 0, 0, 0, 0}, +									/* FCC1 INT */ +									/* PC3  */ {1, 1, 1, 1, 0, 0}, +									/* SDMA IDMA2 ~DACK */ +									/* PC2  */ {1, 1, 1, 0, 0, 0}, +									/* SDMA IDMA2 ~DONE */ +									/* PC1  */ {1, 1, 0, 0, 0, 0}, +									/* SDMA IDMA2 ~DREQ */ +									/* PC0  */ {1, 1, 0, 1, 0, 0} +									/* BRG7 */ +	 }, + +	/* Port D */ +	{							/*        conf ppar psor pdir podr pdat */ +									/* PD31 */ {1, 1, 0, 0, 0, 0}, +									/* SCC1 UART RxD */ +									/* PD30 */ {1, 1, 1, 1, 0, 0}, +									/* SCC1 UART TxD */ +									/* PD29 */ {1, 0, 0, 1, 0, 0}, +									/* SCC1 UART ~RTS */ +									/* PD28 */ {1, 1, 0, 0, 0, 0}, +									/* SCC2 UART RxD */ +									/* PD27 */ {1, 1, 0, 1, 0, 0}, +									/* SCC2 UART TxD */ +									/* PD26 */ {1, 0, 0, 1, 0, 0}, +									/* SCC2 UART ~RTS */ +									/* PD25 */ {1, 0, 0, 0, 0, 0}, +									/* SCC1 UART ~RI */ +									/* PD24 */ {1, 0, 0, 0, 0, 0}, +									/* SCC2 UART ~RI */ +									/* PD23 */ {1, 0, 0, 1, 0, 0}, +									/* CLKGEN PD */ +									/* PD22 */ {1, 0, 0, 0, 0, 0}, +									/* USER3 */ +									/* PD21 */ {1, 0, 0, 0, 0, 0}, +									/* USER2 */ +									/* PD20 */ {1, 0, 0, 0, 0, 0}, +									/* USER1 */ +									/* PD19 */ {1, 1, 1, 0, 0, 0}, +									/* SPI ~SEL */ +									/* PD18 */ {1, 1, 1, 0, 0, 0}, +									/* SPI CLK */ +									/* PD17 */ {1, 1, 1, 0, 0, 0}, +									/* SPI MOSI */ +									/* PD16 */ {1, 1, 1, 0, 0, 0}, +									/* SPI MISO */ +									/* PD15 */ {1, 1, 1, 0, 1, 0}, +									/* I2C SDA */ +									/* PD14 */ {1, 1, 1, 0, 1, 0}, +									/* I2C SCL */ +									/* PD13 */ {1, 0, 0, 1, 0, 1}, +									/* TEMP ~STDBY */ +									/* PD12 */ {1, 0, 0, 1, 0, 1}, +									/* FCC3 ~RESET */ +									/* PD11 */ {1, 0, 0, 1, 0, 1}, +									/* FCC2 ~RESET */ +									/* PD10 */ {1, 0, 0, 1, 0, 1}, +									/* FCC1 ~RESET */ +									/* PD9  */ {1, 0, 0, 0, 0, 0}, +									/* PD9 */ +									/* PD8  */ {1, 0, 0, 0, 0, 0}, +									/* PD8 */ +									/* PD7  */ {1, 0, 0, 1, 0, 1}, +									/* PD7 */ +									/* PD6  */ {1, 0, 0, 1, 0, 1}, +									/* PD6 */ +									/* PD5  */ {1, 0, 0, 1, 0, 1}, +									/* PD5 */ +									/* PD4  */ {1, 0, 0, 1, 0, 1}, +									/* PD4 */ +									/* PD3  */ {0, 0, 0, 0, 0, 0}, +									/* pin doesn't exist */ +									/* PD2  */ {0, 0, 0, 0, 0, 0}, +									/* pin doesn't exist */ +									/* PD1  */ {0, 0, 0, 0, 0, 0}, +									/* pin doesn't exist */ +									/* PD0  */ {0, 0, 0, 0, 0, 0} +									/* pin doesn't exist */ +	 } +}; + +/* ------------------------------------------------------------------------- */ + +/* + * AMI FS6377 Clock Generator configuration table + * + * the "fs6377_regs[]" table entries correspond to FS6377 registers + * 0 - 15 (total of 16 bytes). + * + * the data is written to the FS6377 via the i2c bus using address in + * "fs6377_addr" (address is 7 bits - R/W bit not included). + */ + +uchar fs6377_addr = 0x5c; + +uchar fs6377_regs[16] = { +	12, 75, 64, 25, 144, 128, 25, 192, +	0, 16, 135, 192, 224, 64, 64, 192 +}; + +iopin_t pa11 = { IOPIN_PORTA, 11, 0 }; + +/* ------------------------------------------------------------------------- */ + +/* + * special board initialisation, after clocks and timebase have been + * set up but before environment and serial are initialised. + * + * added so that very early initialisations can be done using the i2c + * driver (which requires the clocks, to calculate the dividers, and + * the timebase, for udelay()) + */ + +int board_postclk_init (void) +{ +	i2c_init (CFG_I2C_SPEED, CFG_I2C_SLAVE); + +	/* +	 * Initialise the FS6377 clock chip +	 * +	 * the secondary address is the register number from where to +	 * start the write - I want to write all the registers +	 * +	 * don't bother checking return status - we have no console yet +	 * to print it on, nor any RAM to store it in - it will be obvious +	 * if this doesn't work +	 */ +	(void) i2c_write (fs6377_addr, 0, 1, fs6377_regs, +					  sizeof (fs6377_regs)); + +	return (0); +} + +/* ------------------------------------------------------------------------- */ + +/* + * Check Board Identity: Hardwired to HYMOD + */ + +int checkboard (void) +{ +	puts ("Board: HYMOD\n"); +	return (0); +} + +/* ------------------------------------------------------------------------- */ + +/* + * miscellaneous (early - while running in flash) initialisations. + */ + +#define _NOT_USED_	0xFFFFFFFF + +uint upmb_table[] = { +	/* Read Single Beat (RSS) - offset 0x00 */ +	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, +	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, +	/* Read Burst (RBS) - offset 0x08 */ +	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, +	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, +	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, +	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, +	/* Write Single Beat (WSS) - offset 0x18 */ +	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, +	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, +	/* Write Burst (WSS) - offset 0x20 */ +	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, +	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, +	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, +	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, +	/* Refresh Timer (PTS) - offset 0x30 */ +	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, +	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, +	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, +	/* Exception Condition (EXS) - offset 0x3c */ +	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_ +}; + +uint upmc_table[] = { +	/* Read Single Beat (RSS) - offset 0x00 */ +	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, +	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, +	/* Read Burst (RBS) - offset 0x08 */ +	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, +	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, +	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, +	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, +	/* Write Single Beat (WSS) - offset 0x18 */ +	0xF0E00000, 0xF0A00000, 0x00A00000, 0x30A00000, +	0xF0F40007, _NOT_USED_, _NOT_USED_, _NOT_USED_, +	/* Write Burst (WSS) - offset 0x20 */ +	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, +	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, +	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, +	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, +	/* Refresh Timer (PTS) - offset 0x30 */ +	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, +	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, +	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, +	/* Exception Condition (EXS) - offset 0x3c */ +	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_ +}; + +int misc_init_f (void) +{ +	volatile immap_t *immap = (immap_t *) CFG_IMMR; +	volatile memctl8260_t *memctl = &immap->im_memctl; + +	printf ("UPMs:  "); + +	upmconfig (UPMB, upmb_table, sizeof upmb_table / sizeof upmb_table[0]); +	memctl->memc_mbmr = CFG_MBMR; + +	upmconfig (UPMC, upmc_table, sizeof upmc_table / sizeof upmc_table[0]); +	memctl->memc_mcmr = CFG_MCMR; + +	printf ("configured\n"); +	return (0); +} + +/* ------------------------------------------------------------------------- */ + +long initdram (int board_type) +{ +	volatile immap_t *immap = (immap_t *) CFG_IMMR; +	volatile memctl8260_t *memctl = &immap->im_memctl; +	volatile uchar c = 0, *ramaddr = (uchar *) (CFG_SDRAM_BASE + 0x8); +	ulong psdmr = CFG_PSDMR; +	int i; + +	/* +	 * Quote from 8260 UM (10.4.2 SDRAM Power-On Initialization, 10-35): +	 * +	 * "At system reset, initialization software must set up the +	 *  programmable parameters in the memory controller banks registers +	 *  (ORx, BRx, P/LSDMR). After all memory parameters are conÞgured, +	 *  system software should execute the following initialization sequence +	 *  for each SDRAM device. +	 * +	 *  1. Issue a PRECHARGE-ALL-BANKS command +	 *  2. Issue eight CBR REFRESH commands +	 *  3. Issue a MODE-SET command to initialize the mode register +	 * +	 *  The initial commands are executed by setting P/LSDMR[OP] and +	 *  accessing the SDRAM with a single-byte transaction." +	 * +	 * The appropriate BRx/ORx registers have already been set when we +	 * get here. The SDRAM can be accessed at the address CFG_SDRAM_BASE. +	 */ + +	memctl->memc_psrt = CFG_PSRT; +	memctl->memc_mptpr = CFG_MPTPR; + +	memctl->memc_psdmr = psdmr | PSDMR_OP_PREA; +	*ramaddr = c; + +	memctl->memc_psdmr = psdmr | PSDMR_OP_CBRR; +	for (i = 0; i < 8; i++) +		*ramaddr = c; + +	memctl->memc_psdmr = psdmr | PSDMR_OP_MRW; +	*ramaddr = c; + +	memctl->memc_psdmr = psdmr | PSDMR_OP_NORM | PSDMR_RFEN; +	*ramaddr = c; + +	return (CFG_SDRAM_SIZE << 20); +} + +/* ------------------------------------------------------------------------- */ +/* miscellaneous initialisations after relocation into ram (misc_init_r)     */ +/* 									     */ +/* loads the data in the main board and mezzanine board eeproms into	     */ +/* the hymod configuration struct stored in the board information area.	     */ +/* 									     */ +/* if the contents of either eeprom is invalid, prompts for a serial	     */ +/* number (and an ethernet address if required) then fetches a file	     */ +/* containing information to be stored in the eeprom from the tftp server    */ +/* (the file name is based on the serial number and a built-in path)	     */ + +/* these are relative to the root of the server's tftp directory */ +static char *bddb_cfgdir = "/hymod/bddb"; +static char *global_env_path = "/hymod/global_env"; + +static ulong get_serno (const char *prompt) +{ +	for (;;) { +		int n; +		char *p; +		ulong serno; + +		n = readline (prompt); + +		if (n < 0) +			return (0); + +		if (n == 0) +			continue; + +		serno = simple_strtol (console_buffer, &p, 10); + +		if (p > console_buffer && *p == '\0') +			return (serno); + +		printf ("Invalid number (%s) - please re-enter\n", console_buffer); +	} +} + +static int read_eeprom (char *label, unsigned offset, hymod_eeprom_t * ep) +{ +	char filename[50], prompt[50]; +	ulong serno; +	int count = 0; + +	sprintf (prompt, "Enter %s board serial number: ", label); + +	for (;;) { + +		if (eeprom_load (offset, ep)) +			return (1); + +		printf ("*** %s board EEPROM contents are %sinvalid\n", +				label, count == 0 ? "" : "STILL "); + +		puts ("*** will attempt to fetch from server (Ctrl-C to abort)\n"); + +		if ((serno = get_serno (prompt)) == 0) { +			puts ("\n*** interrupted! - ignoring eeprom contents\n"); +			return (0); +		} + +		sprintf (filename, "%s/%010lu.cfg", bddb_cfgdir, serno); + +		printf ("*** fetching %s board EEPROM contents from server\n", +				label); + +		if (eeprom_fetch (offset, filename, 0x100000) == 0) { +			puts ("*** fetch failed - ignoring eeprom contents\n"); +			return (0); +		} + +		count++; +	} +} + +static ulong main_serno; + +static int env_fetch_callback (uchar * name, uchar * value) +{ +	char *ov, nv[CFG_CBSIZE], *p, *q, *nn; +	int override = 1, append = 0, nl; + +	nn = name; +	if (*nn == '-') { +		override = 0; +		nn++; +	} + +	if ((nl = strlen (nn)) > 0 && nn[nl - 1] == '+') { +		append = 1; +		nn[--nl] = '\0'; +	} + +	p = value; +	q = nv; + +	while ((*q = *p++) != '\0') +		if (*q == '%') { +			switch (*p++) { + +			case '\0':			/* whoops - back up */ +				p--; +				break; + +			case '%':			/* a single percent character */ +				q++; +				break; + +			case 's':			/* main board serial number as string */ +				q += sprintf (q, "%010lu", main_serno); +				break; + +			case 'S':			/* main board serial number as number */ +				q += sprintf (q, "%lu", main_serno); +				break; + +			default:			/* ignore any others */ +				break; +			} +		} else +			q++; + +	if ((ov = getenv (nn)) != NULL) { + +		if (append) { + +			if (strstr (ov, nv) == NULL) { +				int ovl, nvl; + +				printf ("Appending '%s' to env cmd '%s'\n", nv, nn); + +				ovl = strlen (ov); +				nvl = strlen (nv); + +				while (nvl >= 0) { +					nv[ovl + 1 + nvl] = nv[nvl]; +					nvl--; +				} + +				nv[ovl] = ' '; + +				while (--ovl >= 0) +					nv[ovl] = ov[ovl]; + +				setenv (nn, nv); +			} + +			return (1); +		} + +		if (!override || strcmp (ov, nv) == 0) +			return (1); + +		printf ("Re-setting env cmd '%s' from '%s' to '%s'\n", nn, ov, nv); +	} else +		printf ("Setting env cmd '%s' to '%s'\n", nn, nv); + +	setenv (nn, nv); +	return (1); +} + +int misc_init_r (void) +{ +	DECLARE_GLOBAL_DATA_PTR; + +	hymod_conf_t *cp = &gd->bd->bi_hymod_conf; +	int rc; + +	memset ((void *) cp, 0, sizeof (*cp)); + +	/* set up main board config info */ + +	if (i2c_probe (CFG_I2C_EEPROM_ADDR | HYMOD_EEOFF_MAIN)) { + +		if (read_eeprom +			("main", HYMOD_EEOFF_MAIN << 8, &cp->main.eeprom)) +			cp->main.eeprom_valid = 1; + +		puts ("EEPROM:main..."); + +		if (cp->main.eeprom_valid) { +			printf ("OK (ver %u)\n", cp->main.eeprom.ver); +			eeprom_print (&cp->main.eeprom); +			main_serno = cp->main.eeprom.serno; +		} else +			puts ("BAD\n"); + +		cp->main.mmap[0].prog.exists = 1; +		cp->main.mmap[0].prog.size = FPGA_MAIN_CFG_SIZE; +		cp->main.mmap[0].prog.base = FPGA_MAIN_CFG_BASE; + +		cp->main.mmap[0].reg.exists = 1; +		cp->main.mmap[0].reg.size = FPGA_MAIN_REG_SIZE; +		cp->main.mmap[0].reg.base = FPGA_MAIN_REG_BASE; + +		cp->main.mmap[0].port.exists = 1; +		cp->main.mmap[0].port.size = FPGA_MAIN_PORT_SIZE; +		cp->main.mmap[0].port.base = FPGA_MAIN_PORT_BASE; + +		cp->main.iopins[0].prog_pin.port = FPGA_MAIN_PROG_PORT; +		cp->main.iopins[0].prog_pin.pin = FPGA_MAIN_PROG_PIN; +		cp->main.iopins[0].prog_pin.flag = 1; +		cp->main.iopins[0].init_pin.port = FPGA_MAIN_INIT_PORT; +		cp->main.iopins[0].init_pin.pin = FPGA_MAIN_INIT_PIN; +		cp->main.iopins[0].init_pin.flag = 1; +		cp->main.iopins[0].done_pin.port = FPGA_MAIN_DONE_PORT; +		cp->main.iopins[0].done_pin.pin = FPGA_MAIN_DONE_PIN; +		cp->main.iopins[0].done_pin.flag = 1; +#ifdef FPGA_MAIN_ENABLE_PORT +		cp->main.iopins[0].enable_pin.port = FPGA_MAIN_ENABLE_PORT; +		cp->main.iopins[0].enable_pin.pin = FPGA_MAIN_ENABLE_PIN; +		cp->main.iopins[0].enable_pin.flag = 1; +#endif +	} else +		puts ("EEPROM:main...NOT PRESENT\n"); + +	/* set up mezzanine board config info */ + +	if (i2c_probe (CFG_I2C_EEPROM_ADDR | HYMOD_EEOFF_MEZZ)) { + +		if (read_eeprom +			("mezz", HYMOD_EEOFF_MEZZ << 8, &cp->mezz.eeprom)) +			cp->mezz.eeprom_valid = 1; + +		puts ("EEPROM:mezz..."); + +		if (cp->mezz.eeprom_valid) { +			printf ("OK (ver %u)\n", cp->mezz.eeprom.ver); +			eeprom_print (&cp->mezz.eeprom); +		} else +			puts ("BAD\n"); + +		cp->mezz.mmap[0].prog.exists = 1; +		cp->mezz.mmap[0].prog.size = FPGA_MEZZ_CFG_SIZE; +		cp->mezz.mmap[0].prog.base = FPGA_MEZZ_CFG_BASE; + +		cp->mezz.mmap[0].reg.exists = 0; + +		cp->mezz.mmap[0].port.exists = 0; + +		cp->mezz.iopins[0].prog_pin.port = FPGA_MEZZ_PROG_PORT; +		cp->mezz.iopins[0].prog_pin.pin = FPGA_MEZZ_PROG_PIN; +		cp->mezz.iopins[0].prog_pin.flag = 1; +		cp->mezz.iopins[0].init_pin.port = FPGA_MEZZ_INIT_PORT; +		cp->mezz.iopins[0].init_pin.pin = FPGA_MEZZ_INIT_PIN; +		cp->mezz.iopins[0].init_pin.flag = 1; +		cp->mezz.iopins[0].done_pin.port = FPGA_MEZZ_DONE_PORT; +		cp->mezz.iopins[0].done_pin.pin = FPGA_MEZZ_DONE_PIN; +		cp->mezz.iopins[0].done_pin.flag = 1; +#ifdef FPGA_MEZZ_ENABLE_PORT +		cp->mezz.iopins[0].enable_pin.port = FPGA_MEZZ_ENABLE_PORT; +		cp->mezz.iopins[0].enable_pin.pin = FPGA_MEZZ_ENABLE_PIN; +		cp->mezz.iopins[0].enable_pin.flag = 1; +#endif + +		if (cp->mezz.eeprom_valid && +			cp->mezz.eeprom.bdtype == HYMOD_BDTYPE_DISPLAY) { +			/* +			 * mezzanine board is a display board - switch the SEL_CD +			 * input of the FS6377 clock generator (via I/O Port Pin PA11) to +			 * high (or 1) to select the 27MHz required by the display board +			 */ +			iopin_set_high (&pa11); + +			puts ("SEL_CD:toggled for display board\n"); +		} +	} else +		puts ("EEPROM:mezz...NOT PRESENT\n"); + +	cp->crc = +			crc32 (0, (unsigned char *) cp, offsetof (hymod_conf_t, crc)); + +	if (getenv ("global_env_loaded") == NULL) { + +		puts ("*** global environment has not been loaded\n"); +		puts ("*** fetching from server (Control-C to Abort)\n"); + +		rc = fetch_and_parse (global_env_path, 0x100000, +							  env_fetch_callback); + +		if (rc == 0) +			puts ("*** Fetch of environment failed!\n"); +		else +			setenv ("global_env_loaded", "yes"); +	} +	return (0); +} diff --git a/board/icu862/icu862.c b/board/icu862/icu862.c new file mode 100644 index 000000000..cea28b2de --- /dev/null +++ b/board/icu862/icu862.c @@ -0,0 +1,246 @@ +/* + * (C) Copyright 2001 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <common.h> +#include <config.h> +#include <mpc8xx.h> + +/* + *  Memory Controller Using + * + *  CS0 - Flash memory            (0x40000000) + *  CS1 - SDRAM                   (0x00000000} + *  CS2 - S/UNI Ultra ATM155 + *  CS3 - IDT 77106 ATM25 + *  CS4 - DSP HPI + *  CS5 - E1/T1 Interface device + *  CS6 - PCMCIA device + *  CS7 - PCMCIA device + */ + +/* ------------------------------------------------------------------------- */ + +#define _not_used_	0xffffffff + +const uint sdram_table[] = { +	/* single read. (offset 0 in upm RAM) */ +	0x1f07fc04, 0xeeaefc04, 0x11adfc04, 0xefbbbc00, +	0x1ff77c47, + +	/* MRS initialization (offset 5) */ + +	0x1ff77c34, 0xefeabc34, 0x1fb57c35, + +	/* burst read. (offset 8 in upm RAM) */ +	0x1f07fc04, 0xeeaefc04, 0x10adfc04, 0xf0affc00, +	0xf0affc00, 0xf1affc00, 0xefbbbc00, 0x1ff77c47, +	_not_used_, _not_used_, _not_used_, _not_used_, +	_not_used_, _not_used_, _not_used_, _not_used_, + +	/* single write. (offset 18 in upm RAM) */ +	0x1f27fc04, 0xeeaebc00, 0x01b93c04, 0x1ff77c47, +	_not_used_, _not_used_, _not_used_, _not_used_, + +	/* burst write. (offset 20 in upm RAM) */ +	0x1f07fc04, 0xeeaebc00, 0x10ad7c00, 0xf0affc00, +	0xf0affc00, 0xe1bbbc04, 0x1ff77c47, _not_used_, +	_not_used_, _not_used_, _not_used_, _not_used_, +	_not_used_, _not_used_, _not_used_, _not_used_, + +	/* refresh. (offset 30 in upm RAM) */ +	0x1ff5fc84, 0xfffffc04, 0xfffffc04, 0xfffffc04, +	0xfffffc84, 0xfffffc07, _not_used_, _not_used_, +	_not_used_, _not_used_, _not_used_, _not_used_, + +	/* exception. (offset 3c in upm RAM) */ +	0x7ffffc07, _not_used_, _not_used_, _not_used_ +}; + +/* ------------------------------------------------------------------------- */ + +/* + * Check Board Identity: + */ + +int checkboard (void) +{ +	puts ("Board: ICU862 Board\n"); +	return 0; +} + +/* ------------------------------------------------------------------------- */ + +static long int dram_size (long int, long int *, long int); + +/* ------------------------------------------------------------------------- */ + +long int initdram (int board_type) +{ +	volatile immap_t *immap = (immap_t *) CFG_IMMR; +	volatile memctl8xx_t *memctl = &immap->im_memctl; +	long int size8, size9; +	long int size_b0 = 0; +	unsigned long reg; + +	upmconfig (UPMA, (uint *) sdram_table, +			   sizeof (sdram_table) / sizeof (uint)); + +	/* +	 * Preliminary prescaler for refresh (depends on number of +	 * banks): This value is selected for four cycles every 62.4 us +	 * with two SDRAM banks or four cycles every 31.2 us with one +	 * bank. It will be adjusted after memory sizing. +	 */ +	memctl->memc_mptpr = CFG_MPTPR_2BK_8K; + +	memctl->memc_mar = 0x00000088; + +	/* +	 * Map controller bank 1 to the SDRAM bank at +	 * preliminary address - these have to be modified after the +	 * SDRAM size has been determined. +	 */ +	memctl->memc_or1 = CFG_OR1_PRELIM; +	memctl->memc_br1 = CFG_BR1_PRELIM; + +	memctl->memc_mamr = CFG_MAMR_8COL & (~(MAMR_PTAE));	/* no refresh yet */ + +	udelay (200); + +	/* perform SDRAM initializsation sequence */ + +	memctl->memc_mcr = 0x80002105;	/* SDRAM bank 0 */ +	udelay (200); +	memctl->memc_mcr = 0x80002230;	/* SDRAM bank 0 - execute twice */ +	udelay (200); + +	memctl->memc_mamr |= MAMR_PTAE;	/* enable refresh */ + +	udelay (1000); + +	/* +	 * Check Bank 0 Memory Size for re-configuration +	 * +	 * try 8 column mode +	 */ +	size8 = dram_size (CFG_MAMR_8COL, (ulong *) SDRAM_BASE1_PRELIM, +					   SDRAM_MAX_SIZE); + +	udelay (1000); + +	/* +	 * try 9 column mode +	 */ +	size9 = dram_size (CFG_MAMR_9COL, (ulong *) SDRAM_BASE1_PRELIM, +					   SDRAM_MAX_SIZE); + +	if (size8 < size9) {		/* leave configuration at 9 columns */ +		size_b0 = size9; +/*	debug ("SDRAM Bank 0 in 9 column mode: %ld MB\n", size >> 20);	*/ +	} else {					/* back to 8 columns            */ +		size_b0 = size8; +		memctl->memc_mamr = CFG_MAMR_8COL; +		udelay (500); +/*	debug ("SDRAM Bank 0 in 8 column mode: %ld MB\n", size >> 20);	*/ +	} + +	udelay (1000); + +	/* +	 * Adjust refresh rate depending on SDRAM type, both banks +	 * For types > 128 MBit leave it at the current (fast) rate +	 */ +	if ((size_b0 < 0x02000000)) { +		/* reduce to 15.6 us (62.4 us / quad) */ +		memctl->memc_mptpr = CFG_MPTPR_2BK_4K; +		udelay (1000); +	} + +	/* +	 * Final mapping +	 */ + +	memctl->memc_or1 = ((-size_b0) & 0xFFFF0000) | CFG_OR_TIMING_SDRAM; +	memctl->memc_br1 = (CFG_SDRAM_BASE & BR_BA_MSK) | BR_MS_UPMA | BR_V; + +	/* adjust refresh rate depending on SDRAM type, one bank */ +	reg = memctl->memc_mptpr; +	reg >>= 1;					/* reduce to CFG_MPTPR_1BK_8K / _4K */ +	memctl->memc_mptpr = reg; + +	udelay (10000); + +	return (size_b0); +} + +/* ------------------------------------------------------------------------- */ + +/* + * Check memory range for valid RAM. A simple memory test determines + * the actually available RAM size between addresses `base' and + * `base + maxsize'. Some (not all) hardware errors are detected: + * - short between address lines + * - short between data lines + */ + +static long int dram_size (long int mamr_value, long int *base, +						   long int maxsize) +{ +	volatile immap_t *immap = (immap_t *) CFG_IMMR; +	volatile memctl8xx_t *memctl = &immap->im_memctl; +	volatile long int *addr; +	ulong cnt, val; +	ulong save[32];				/* to make test non-destructive */ +	unsigned char i = 0; + +	memctl->memc_mamr = mamr_value; + +	for (cnt = maxsize / sizeof (long); cnt > 0; cnt >>= 1) { +		addr = base + cnt;		/* pointer arith! */ + +		save[i++] = *addr; +		*addr = ~cnt; +	} + +	/* write 0 to base address */ +	addr = base; +	save[i] = *addr; +	*addr = 0; + +	/* check at base address */ +	if ((val = *addr) != 0) { +		*addr = save[i]; +		return (0); +	} + +	for (cnt = 1; cnt <= maxsize / sizeof (long); cnt <<= 1) { +		addr = base + cnt;		/* pointer arith! */ +		val = *addr; +		*addr = save[--i]; + +		if (val != (~cnt)) { +			return (cnt * sizeof (long)); +		} +	} +	return (maxsize); +} diff --git a/board/ip860/ip860.c b/board/ip860/ip860.c new file mode 100644 index 000000000..11f33279e --- /dev/null +++ b/board/ip860/ip860.c @@ -0,0 +1,293 @@ +/* + * (C) Copyright 2000 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <common.h> +#include <commproc.h> +#include <mpc8xx.h> + +/* ------------------------------------------------------------------------- */ + +static long int dram_size (long int, long int *, long int); + +/* ------------------------------------------------------------------------- */ + +#define	_NOT_USED_	0xFFFFFFFF + +const uint sdram_table[] = { +	/* +	 * Single Read. (Offset 0 in UPMA RAM) +	 */ +	0x1f07fc04, 0xeeaefc04, 0x11adfc04, 0xefbbbc00, +	0x1ff77c47,					/* last */ +	/* +	 * SDRAM Initialization (offset 5 in UPMA RAM) +	 * +	 * This is no UPM entry point. The following definition uses +	 * the remaining space to establish an initialization +	 * sequence, which is executed by a RUN command. +	 * +	 */ +	0x1ff77c34, 0xefeabc34, 0x1fb57c35,	/* last */ +	/* +	 * Burst Read. (Offset 8 in UPMA RAM) +	 */ +	0x1f07fc04, 0xeeaefc04, 0x10adfc04, 0xf0affc00, +	0xf0affc00, 0xf1affc00, 0xefbbbc00, 0x1ff77c47,	/* last */ +	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, +	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, +	/* +	 * Single Write. (Offset 18 in UPMA RAM) +	 */ +	0x1f27fc04, 0xeeaebc00, 0x01b93c04, 0x1ff77c47,	/* last */ +	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, +	/* +	 * Burst Write. (Offset 20 in UPMA RAM) +	 */ +	0x1f07fc04, 0xeeaebc00, 0x10ad7c00, 0xf0affc00, +	0xf0affc00, 0xe1bbbc04, 0x1ff77c47,	/* last */ +	_NOT_USED_, +	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, +	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, +	/* +	 * Refresh  (Offset 30 in UPMA RAM) +	 */ +	0x1ff5fc84, 0xfffffc04, 0xfffffc04, 0xfffffc04, +	0xfffffc84, 0xfffffc07,		/* last */ +	_NOT_USED_, _NOT_USED_, +	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, +	/* +	 * Exception. (Offset 3c in UPMA RAM) +	 */ +	0x7ffffc07,					/* last */ +	_NOT_USED_, _NOT_USED_, _NOT_USED_, +}; + +/* ------------------------------------------------------------------------- */ + + +/* + * Check Board Identity: + * + * Test ID string (IP860...) + */ + +int checkboard (void) +{ +	unsigned char *s, *e; +	unsigned char buf[64]; +	int i; + +	puts ("Board: "); + +	i = getenv_r ("serial#", buf, sizeof (buf)); +	s = (i > 0) ? buf : NULL; + +	if (!s || strncmp (s, "IP860", 5)) { +		puts ("### No HW ID - assuming IP860"); +	} else { +		for (e = s; *e; ++e) { +			if (*e == ' ') +				break; +		} + +		for (; s < e; ++s) { +			putc (*s); +		} +	} + +	putc ('\n'); + +	return (0); +} + +/* ------------------------------------------------------------------------- */ + +long int initdram (int board_type) +{ +	volatile immap_t *immap = (immap_t *) CFG_IMMR; +	volatile memctl8xx_t *memctl = &immap->im_memctl; +	long int size; + +	upmconfig (UPMA, (uint *) sdram_table, +			   sizeof (sdram_table) / sizeof (uint)); + +	/* +	 * Preliminary prescaler for refresh +	 */ +	memctl->memc_mptpr = 0x0400; + +	memctl->memc_mar = 0x00000088; + +	/* +	 * Map controller banks 2 to the SDRAM address +	 */ +	memctl->memc_or2 = CFG_OR2; +	memctl->memc_br2 = CFG_BR2; + +	/* IP860 boards have only one bank SDRAM */ + + +	udelay (200); + +	/* perform SDRAM initializsation sequence */ + +	memctl->memc_mamr = 0xC3804114; +	memctl->memc_mcr = 0x80004105;	/* run precharge pattern from loc 5 */ +	udelay (1); +	memctl->memc_mamr = 0xC3804118; +	memctl->memc_mcr = 0x80004130;	/* run refresh pattern 8 times */ + +	udelay (1000); + +	/* +	 * Check SDRAM Memory Size +	 */ +	size = dram_size (CFG_MAMR, (ulong *) SDRAM_BASE, SDRAM_MAX_SIZE); + +	udelay (1000); + +	memctl->memc_or2 = ((-size) & 0xFFFF0000) | SDRAM_TIMING; +	memctl->memc_br2 = (CFG_SDRAM_BASE & BR_BA_MSK) | BR_MS_UPMA | BR_V; + +	udelay (10000); + +	/* +	 * Also, map other memory to correct position +	 */ + +#if (defined(CFG_OR1) && defined(CFG_BR1_PRELIM)) +	memctl->memc_or1 = CFG_OR1; +	memctl->memc_br1 = CFG_BR1; +#endif + +#if defined(CFG_OR3) && defined(CFG_BR3) +	memctl->memc_or3 = CFG_OR3; +	memctl->memc_br3 = CFG_BR3; +#endif + +#if defined(CFG_OR4) && defined(CFG_BR4) +	memctl->memc_or4 = CFG_OR4; +	memctl->memc_br4 = CFG_BR4; +#endif + +#if defined(CFG_OR5) && defined(CFG_BR5) +	memctl->memc_or5 = CFG_OR5; +	memctl->memc_br5 = CFG_BR5; +#endif + +#if defined(CFG_OR6) && defined(CFG_BR6) +	memctl->memc_or6 = CFG_OR6; +	memctl->memc_br6 = CFG_BR6; +#endif + +#if defined(CFG_OR7) && defined(CFG_BR7) +	memctl->memc_or7 = CFG_OR7; +	memctl->memc_br7 = CFG_BR7; +#endif + +	return (size); +} + +/* ------------------------------------------------------------------------- */ + +/* + * Check memory range for valid RAM. A simple memory test determines + * the actually available RAM size between addresses `base' and + * `base + maxsize'. Some (not all) hardware errors are detected: + * - short between address lines + * - short between data lines + */ + +static long int dram_size (long int mamr_value, long int *base, +						   long int maxsize) +{ +	volatile immap_t *immap = (immap_t *) CFG_IMMR; +	volatile memctl8xx_t *memctl = &immap->im_memctl; +	volatile long int *addr; +	ulong cnt, val; +	ulong save[32];				/* to make test non-destructive */ +	unsigned char i = 0; + +	memctl->memc_mamr = mamr_value; + +	for (cnt = maxsize / sizeof (long); cnt > 0; cnt >>= 1) { +		addr = base + cnt;		/* pointer arith! */ + +		save[i++] = *addr; +		*addr = ~cnt; +	} + +	/* write 0 to base address */ +	addr = base; +	save[i] = *addr; +	*addr = 0; + +	/* check at base address */ +	if ((val = *addr) != 0) { +		*addr = save[i]; +		return (0); +	} + +	for (cnt = 1; cnt <= maxsize / sizeof (long); cnt <<= 1) { +		addr = base + cnt;		/* pointer arith! */ + +		val = *addr; +		*addr = save[--i]; + +		if (val != (~cnt)) { +			return (cnt * sizeof (long)); +		} +	} +	return (maxsize); +} + +/* ------------------------------------------------------------------------- */ + +void reset_phy (void) +{ +	volatile immap_t *immr = (immap_t *) CFG_IMMR; +	ulong mask = PB_ENET_RESET | PB_ENET_JABD; +	ulong reg; + +	/* Make sure PHY is not in low-power mode */ +	immr->im_cpm.cp_pbpar &= ~(mask);	/* GPIO */ +	immr->im_cpm.cp_pbodr &= ~(mask);	/* active output */ + +	/* Set  JABD low  (no JABber Disable), +	 * and RESET high (Reset PHY) +	 */ +	reg = immr->im_cpm.cp_pbdat; +	reg = (reg & ~PB_ENET_JABD) | PB_ENET_RESET; +	immr->im_cpm.cp_pbdat = reg; + +	/* now drive outputs */ +	immr->im_cpm.cp_pbdir |= mask;	/* output */ +	udelay (1000); +	/* +	   * Release RESET signal +	 */ +	immr->im_cpm.cp_pbdat &= ~(PB_ENET_RESET); +	udelay (1000); +} + +/* ------------------------------------------------------------------------- */ diff --git a/board/iphase4539/iphase4539.c b/board/iphase4539/iphase4539.c new file mode 100644 index 000000000..45f3dad36 --- /dev/null +++ b/board/iphase4539/iphase4539.c @@ -0,0 +1,458 @@ +/* + * (C) Copyright 2002 Wolfgang Grandegger <wg@denx.de> + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <common.h> +#include <ioports.h> +#include <mpc8260.h> +#include <asm/io.h> +#include <asm/immap_8260.h> + +int hwc_flash_size (void); +int hwc_local_sdram_size (void); +int hwc_main_sdram_size (void); +int hwc_serial_number (void); +int hwc_mac_address (char *str); +int hwc_manufact_date (char *str); +int seeprom_read (int addr, uchar * data, int size); + +/* + * I/O Port configuration table + * + * if conf is 1, then that port pin will be configured at boot time + * according to the five values podr/pdir/ppar/psor/pdat for that entry + * + * The port definitions are taken from the old firmware (see + * also SYS/H/4539.H): + * + *        ppar      psor        pdir       podr       pdat + * PA: 0x02ffffff 0x02c00000 0xfc403fe6 0x00000000 0x02403fc0 + * PB: 0x0fffdeb0 0x000000b0 0x0f032347 0x00000000 0x0f000290 + * PC: 0x030ffa55 0x030f0040 0xbcf005ea 0x00000000 0xc0c0ba7d + * PD: 0x09c04e3c 0x01000e3c 0x0a7ff1c3 0x00000000 0x00ce0ae9 + */ +const iop_conf_t iop_conf_tab[4][32] = { + +	/* Port A configuration */ +	{							/* conf ppar psor pdir podr pdat */ +	 {0, 1, 0, 0, 0, 0},		/* PA31 FCC1_TXENB  SLAVE */ +	 {0, 1, 0, 1, 0, 0},		/* PA30 FCC1_TXCLAV SLAVE */ +	 {0, 1, 0, 1, 0, 0},		/* PA29 FCC1_TXSOC */ +	 {0, 1, 0, 0, 0, 0},		/* PA28 FCC1_RXENB  SLAVE */ +	 {0, 1, 0, 0, 0, 0},		/* PA27 FCC1_RXSOC */ +	 {0, 1, 0, 1, 0, 0},		/* PA26 FCC1_RXCLAV SLAVE */ +	 {0, 1, 0, 1, 0, 1},		/* PA25 FCC1_TXD0 */ +	 {0, 1, 0, 1, 0, 1},		/* PA24 FCC1_TXD1 */ +	 {0, 1, 0, 1, 0, 1},		/* PA23 FCC1_TXD2 */ +	 {0, 1, 0, 1, 0, 1},		/* PA22 FCC1_TXD3 */ +	 {0, 1, 0, 1, 0, 1},		/* PA21 FCC1_TXD4 */ +	 {0, 1, 0, 1, 0, 1},		/* PA20 FCC1_TXD5 */ +	 {0, 1, 0, 1, 0, 1},		/* PA19 FCC1_TXD6 */ +	 {0, 1, 0, 1, 0, 1},		/* PA18 FCC1_TXD7 */ +	 {0, 1, 0, 0, 0, 0},		/* PA17 FCC1_RXD7 */ +	 {0, 1, 0, 0, 0, 0},		/* PA16 FCC1_RXD6 */ +	 {0, 1, 0, 0, 0, 0},		/* PA15 FCC1_RXD5 */ +	 {0, 1, 0, 0, 0, 0},		/* PA14 FCC1_RXD4 */ +	 {0, 1, 0, 0, 0, 0},		/* PA13 FCC1_RXD3 */ +	 {0, 1, 0, 0, 0, 0},		/* PA12 FCC1_RXD2 */ +	 {0, 1, 0, 0, 0, 0},		/* PA11 FCC1_RXD1 */ +	 {0, 1, 0, 0, 0, 0},		/* PA10 FCC1_RXD0 */ +	 {0, 1, 1, 1, 0, 1},		/* PA9  TDMA1_L1TXD */ +	 {0, 1, 1, 0, 0, 0},		/* PA8  TDMA1_L1RXD */ +	 {0, 0, 0, 0, 0, 0},		/* PA7  CONFIG0 */ +	 {0, 1, 1, 0, 0, 1},		/* PA6  TDMA1_L1RSYNC */ +	 {0, 0, 0, 1, 0, 0},		/* PA5  FCC2:RxAddr[2] */ +	 {0, 0, 0, 1, 0, 0},		/* PA4  FCC2:RxAddr[1] */ +	 {0, 0, 0, 1, 0, 0},		/* PA3  FCC2:RxAddr[0] */ +	 {0, 0, 0, 1, 0, 0},		/* PA2  FCC2:TxAddr[0] */ +	 {0, 0, 0, 1, 0, 0},		/* PA1  FCC2:TxAddr[1] */ +	 {0, 0, 0, 1, 0, 0}			/* PA0  FCC2:TxAddr[2] */ +	 }, +	/* Port B configuration */ +	{							/* conf ppar psor pdir podr pdat */ +	 {0, 0, 0, 1, 0, 0},		/* PB31 FCC2_RXSOC */ +	 {0, 0, 0, 1, 0, 0},		/* PB30 FCC2_TXSOC */ +	 {0, 0, 0, 1, 0, 0},		/* PB29 FCC2_RXCLAV */ +	 {0, 0, 0, 0, 0, 0},		/* PB28 CONFIG2 */ +	 {0, 1, 1, 0, 0, 1},		/* PB27 FCC2_TXD0 */ +	 {0, 1, 1, 0, 0, 0},		/* PB26 FCC2_TXD1 */ +	 {0, 0, 0, 1, 0, 0},		/* PB25 FCC2_TXD4 */ +	 {0, 1, 1, 0, 0, 1},		/* PB24 FCC2_TXD5 */ +	 {0, 0, 0, 1, 0, 0},		/* PB23 FCC2_TXD6 */ +	 {0, 1, 0, 1, 0, 1},		/* PB22 FCC2_TXD7 */ +	 {0, 1, 0, 0, 0, 0},		/* PB21 FCC2_RXD7 */ +	 {0, 1, 0, 0, 0, 0},		/* PB20 FCC2_RXD6 */ +	 {0, 1, 0, 0, 0, 0},		/* PB19 FCC2_RXD5 */ +	 {0, 0, 0, 1, 0, 0},		/* PB18 FCC2_RXD4 */ +	 {1, 1, 0, 0, 0, 0},		/* PB17 FCC3_RX_DV */ +	 {1, 1, 0, 0, 0, 0},		/* PB16 FCC3_RX_ER */ +	 {1, 1, 0, 1, 0, 0},		/* PB15 FCC3_TX_ER */ +	 {1, 1, 0, 1, 0, 0},		/* PB14 FCC3_TX_EN */ +	 {1, 1, 0, 0, 0, 0},		/* PB13 FCC3_COL */ +	 {1, 1, 0, 0, 0, 0},		/* PB12 FCC3_CRS */ +	 {1, 1, 0, 0, 0, 0},		/* PB11 FCC3_RXD3 */ +	 {1, 1, 0, 0, 0, 0},		/* PB10 FCC3_RXD2 */ +	 {1, 1, 0, 0, 0, 0},		/* PB9  FCC3_RXD1 */ +	 {1, 1, 0, 0, 0, 0},		/* PB8  FCC3_RXD0 */ +	 {1, 1, 0, 1, 0, 1},		/* PB7  FCC3_TXD0 */ +	 {1, 1, 0, 1, 0, 1},		/* PB6  FCC3_TXD1 */ +	 {1, 1, 0, 1, 0, 1},		/* PB5  FCC3_TXD2 */ +	 {1, 1, 0, 1, 0, 1},		/* PB4  FCC3_TXD3 */ +	 {0, 0, 0, 0, 0, 0},		/* PB3  */ +	 {0, 0, 0, 0, 0, 0},		/* PB2  */ +	 {0, 0, 0, 0, 0, 0},		/* PB1  */ +	 {0, 0, 0, 0, 0, 0},		/* PB0  */ +	 }, +	/* Port C configuration */ +	{							/* conf ppar psor pdir podr pdat */ +	 {0, 1, 0, 0, 0, 1},		/* PC31 CLK1 */ +	 {0, 0, 0, 1, 0, 0},		/* PC30 U1MASTER_N */ +	 {0, 1, 0, 0, 0, 1},		/* PC29 CLK3 */ +	 {0, 0, 0, 1, 0, 1},		/* PC28 -MT90220_RST */ +	 {0, 1, 0, 0, 0, 1},		/* PC27 CLK5 */ +	 {0, 0, 0, 1, 0, 1},		/* PC26 -QUADFALC_RST */ +	 {0, 1, 1, 1, 0, 1},		/* PC25 BRG4 */ +	 {1, 0, 0, 1, 0, 0},		/* PC24 MDIO */ +	 {1, 0, 0, 1, 0, 0},		/* PC23 MDC */ +	 {0, 1, 0, 0, 0, 1},		/* PC22 CLK10 */ +	 {0, 0, 0, 1, 0, 0},		/* PC21  */ +	 {0, 1, 0, 0, 0, 1},		/* PC20 CLK12 */ +	 {0, 1, 0, 0, 0, 1},		/* PC19 CLK13 */ +	 {1, 1, 0, 0, 0, 1},		/* PC18 CLK14 */ +	 {0, 1, 0, 0, 0, 0},		/* PC17 CLK15 */ +	 {1, 1, 0, 0, 0, 1},		/* PC16 CLK16 */ +	 {0, 1, 1, 0, 0, 0},		/* PC15 FCC1_TXADDR0 SLAVE */ +	 {0, 1, 1, 0, 0, 0},		/* PC14 FCC1_RXADDR0 SLAVE */ +	 {0, 1, 1, 0, 0, 0},		/* PC13 FCC1_TXADDR1 SLAVE */ +	 {0, 1, 1, 0, 0, 0},		/* PC12 FCC1_RXADDR1 SLAVE */ +	 {0, 0, 0, 1, 0, 0},		/* PC11 FCC2_RXD2 */ +	 {0, 0, 0, 1, 0, 0},		/* PC10 FCC2_RXD3 */ +	 {0, 0, 0, 1, 0, 1},		/* PC9  LTMODE */ +	 {0, 0, 0, 1, 0, 1},		/* PC8  SELSYNC */ +	 {0, 1, 1, 0, 0, 0},		/* PC7  FCC1_TXADDR2 SLAVE  */ +	 {0, 1, 1, 0, 0, 0},		/* PC6  FCC1_RXADDR2 SLAVE */ +	 {0, 0, 0, 1, 0, 0},		/* PC5  FCC2_TXCLAV MASTER */ +	 {0, 0, 0, 1, 0, 0},		/* PC4  FCC2_RXENB MASTER */ +	 {0, 0, 0, 1, 0, 0},		/* PC3  FCC2_TXD2 */ +	 {0, 0, 0, 1, 0, 0},		/* PC2  FCC2_TXD3 */ +	 {0, 0, 0, 0, 0, 1},		/* PC1  PTMC -PTEENB */ +	 {0, 0, 0, 1, 0, 1},		/* PC0  COMCLK_N */ +	 }, +	/* Port D configuration */ +	{							/* conf ppar psor pdir podr pdat */ +	 {0, 0, 0, 1, 0, 1},		/* PD31 -CAM_RST */ +	 {0, 0, 0, 1, 0, 0},		/* PD30 FCC2_TXENB */ +	 {0, 1, 1, 0, 0, 0},		/* PD29 FCC1_RXADDR3 SLAVE */ +	 {0, 1, 1, 0, 0, 1},		/* PD28 TDMC1_L1TXD */ +	 {0, 1, 1, 0, 0, 0},		/* PD27 TDMC1_L1RXD */ +	 {0, 1, 1, 0, 0, 1},		/* PD26 TDMC1_L1RSYNC */ +	 {0, 0, 0, 1, 0, 1},		/* PD25 LED0 -OFF */ +	 {0, 0, 0, 1, 0, 1},		/* PD24 LED5 -OFF */ +	 {1, 0, 0, 1, 0, 1},		/* PD23 -LXT971_RST */ +	 {0, 1, 1, 0, 0, 1},		/* PD22 TDMA2_L1TXD */ +	 {0, 1, 1, 0, 0, 0},		/* PD21 TDMA2_L1RXD */ +	 {0, 1, 1, 0, 0, 1},		/* PD20 TDMA2_L1RSYNC */ +	 {0, 0, 0, 1, 0, 0},		/* PD19 FCC2_TXADDR3 */ +	 {0, 0, 0, 1, 0, 0},		/* PD18 FCC2_RXADDR3 */ +	 {0, 1, 0, 1, 0, 0},		/* PD17 BRG2 */ +	 {0, 0, 0, 1, 0, 0},		/* PD16  */ +	 {0, 0, 0, 1, 0, 0},		/* PD15 PT2TO1 */ +	 {0, 0, 0, 1, 0, 1},		/* PD14 PT4TO3 */ +	 {0, 0, 0, 1, 0, 1},		/* PD13 -SWMODE */ +	 {0, 0, 0, 1, 0, 1},		/* PD12 -PTMODE */ +	 {0, 0, 0, 1, 0, 0},		/* PD11 FCC2_RXD0 */ +	 {0, 0, 0, 1, 0, 0},		/* PD10 FCC2_RXD1 */ +	 {1, 1, 0, 1, 0, 1},		/* PD9  SMC1_SMTXD */ +	 {1, 1, 0, 0, 0, 1},		/* PD8  SMC1_SMRXD */ +	 {0, 1, 1, 0, 0, 0},		/* PD7  FCC1_TXADDR3 SLAVE */ +	 {0, 0, 0, 1, 0, 0},		/* PD6  IMAMODE */ +	 {0, 0, 0, 0, 0, 0},		/* PD5  CONFIG2 */ +	 {0, 1, 0, 1, 0, 0},		/* PD4  BRG8 */ +	 {0, 0, 0, 0, 0, 0},		/* PD3  */ +	 {0, 0, 0, 0, 0, 0},		/* PD2  */ +	 {0, 0, 0, 0, 0, 0},		/* PD1  */ +	 {0, 0, 0, 0, 0, 0},		/* PD0  */ +	 } +}; + +long int initdram (int board_type) +{ +	volatile immap_t *immap = (immap_t *) CFG_IMMR; +	volatile memctl8260_t *memctl = &immap->im_memctl; +	volatile uchar *base; +	volatile ulong *addr, cnt, val; +	ulong save[32];				/* to make test non-destructive */ +	int i, maxsize; + +	memctl->memc_psrt = CFG_PSRT; +	memctl->memc_mptpr = CFG_MPTPR; + +#ifndef CFG_RAMBOOT +	immap->im_siu_conf.sc_ppc_acr = 0x00000026; +	immap->im_siu_conf.sc_ppc_alrh = 0x01276345; +	immap->im_siu_conf.sc_ppc_alrl = 0x89ABCDEF; +	immap->im_siu_conf.sc_lcl_acr = 0x00000000; +	immap->im_siu_conf.sc_lcl_alrh = 0x01234567; +	immap->im_siu_conf.sc_lcl_alrl = 0x89ABCDEF; +	immap->im_siu_conf.sc_tescr1 = 0x00004000; +	immap->im_siu_conf.sc_ltescr1 = 0x00004000; + +	/* Init Main SDRAM */ +#define OP_VALUE   0x404A241A +#define OP_VALUE_M (OP_VALUE & 0x87FFFFFF); +	base = (uchar *) CFG_SDRAM_BASE; +	memctl->memc_psdmr = 0x28000000 | OP_VALUE_M; +	*base = 0xFF; +	memctl->memc_psdmr = 0x08000000 | OP_VALUE_M; +	for (i = 0; i < 8; i++) +		*base = 0xFF; +	memctl->memc_psdmr = 0x18000000 | OP_VALUE_M; +	*(base + 0x110) = 0xFF; +	memctl->memc_psdmr = OP_VALUE; +	memctl->memc_lsdmr = 0x4086A522; +	*base = 0xFF; + +	/* We must be able to test a location outsize the maximum legal size +	 * to find out THAT we are outside; but this address still has to be +	 * mapped by the controller. That means, that the initial mapping has +	 * to be (at least) twice as large as the maximum expected size. +	 */ +	maxsize = (1 + (~memctl->memc_or1 | 0x7fff)) / 2; + +	/* +	 * Check memory range for valid RAM. A simple memory test determines +	 * the actually available RAM size between addresses `base' and +	 * `base + maxsize'. Some (not all) hardware errors are detected: +	 * - short between address lines +	 * - short between data lines +	 */ +	i = 0; +	for (cnt = maxsize / sizeof (long); cnt > 0; cnt >>= 1) { +		addr = (volatile ulong *) base + cnt;	/* pointer arith! */ +		save[i++] = *addr; +		*addr = ~cnt; +	} + +	addr = (volatile ulong *) base; +	save[i] = *addr; +	*addr = 0; + +	if ((val = *addr) != 0) { +		*addr = save[i]; +		return (0); +	} + +	for (cnt = 1; cnt <= maxsize / sizeof (long); cnt <<= 1) { +		addr = (volatile ulong *) base + cnt;	/* pointer arith! */ +		val = *addr; +		*addr = save[--i]; +		if (val != ~cnt) { +			/* Write the actual size to ORx +			 */ +			memctl->memc_or1 |= ~(cnt * sizeof (long) - 1); +			maxsize = cnt * sizeof (long) / 2; +			break; +		} +	} + +	maxsize *= 2; +	if (maxsize != hwc_main_sdram_size ()) +		printf ("Oops: memory test has not found all memory!\n"); +#endif + +	icache_enable (); +	/* return total ram size of SDRAM */ +	return (maxsize); +} + +int checkboard (void) +{ +	char string[32]; + +	hwc_manufact_date (string); + +	printf ("Board: Interphase 4539 (#%d %s)\n", +		hwc_serial_number (), +		string); + +#ifdef DEBUG +	printf ("Manufacturing date: %s\n", string); +	printf ("Serial number     : %d\n", hwc_serial_number ()); +	printf ("FLASH size        : %d MB\n", hwc_flash_size () >> 20); +	printf ("Main SDRAM size   : %d MB\n", hwc_main_sdram_size () >> 20); +	printf ("Local SDRAM size  : %d MB\n", hwc_local_sdram_size () >> 20); +	hwc_mac_address (string); +	printf ("MAC address       : %s\n", string); +#endif + +	return 0; +} + +int misc_init_r (void) +{ +	char *s, str[32]; +	int num; + +	if ((s = getenv ("serial#")) == NULL && +		(num = hwc_serial_number ()) != -1) { +		sprintf (str, "%06d", num); +		setenv ("serial#", str); +	} +	if ((s = getenv ("ethaddr")) == NULL && hwc_mac_address (str) == 0) { +		setenv ("ethaddr", str); +	} +	return (0); +} + +/*************************************************************** + * We take some basic Hardware Configuration Parameter from the + * Serial EEPROM conected to the PSpan bridge. We keep it as + * simple as possible. + */ +int hwc_flash_size (void) +{ +	uchar byte; + +	if (!seeprom_read (0x40, &byte, sizeof (byte))) { +		switch ((byte >> 2) & 0x3) { +		case 0x1: +			return 0x0400000; +			break; +		case 0x2: +			return 0x0800000; +			break; +		case 0x3: +			return 0x1000000; +		default: +			return 0x0100000; +		} +	} +	return -1; +} +int hwc_local_sdram_size (void) +{ +	uchar byte; + +	if (!seeprom_read (0x40, &byte, sizeof (byte))) { +		switch ((byte & 0x03)) { +		case 0x1: +			return 0x0800000; +		case 0x2: +			return 0x1000000; +		default: +			return 0;			/* not present */ +		} +	} +	return -1; +} +int hwc_main_sdram_size (void) +{ +	uchar byte; + +	if (!seeprom_read (0x41, &byte, sizeof (byte))) { +		return 0x1000000 << ((byte >> 5) & 0x7); +	} +	return -1; +} +int hwc_serial_number (void) +{ +	int sn = -1; + +	if (!seeprom_read (0xa0, (char *) &sn, sizeof (sn))) { +		sn = cpu_to_le32 (sn); +	} +	return sn; +} +int hwc_mac_address (char *str) +{ +	char mac[6]; + +	if (!seeprom_read (0xb0, mac, sizeof (mac))) { +		sprintf (str, "%02x:%02x:%02x:%02x:%02x:%02x\n", +				 mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]); +	} else { +		strcpy (str, "ERROR"); +		return -1; +	} +	return 0; +} +int hwc_manufact_date (char *str) +{ +	uchar byte; +	int value; + +	if (seeprom_read (0x92, &byte, sizeof (byte))) +		goto out; +	value = byte; +	if (seeprom_read (0x93, &byte, sizeof (byte))) +		goto out; +	value += byte << 8; +	sprintf (str, "%02d/%02d/%04d", +			 value & 0x1F, (value >> 5) & 0xF, +			 1980 + ((value >> 9) & 0x1FF)); +	return 0; + +  out: +	strcpy (str, "ERROR"); +	return -1; +} + +#define PSPAN_ADDR      0xF0020000 +#define EEPROM_REG      0x408 +#define EEPROM_READ_CMD 0xA000 +#define PSPAN_WRITE(a,v) \ +    *((volatile unsigned long *)(PSPAN_ADDR+(a))) = v; eieio() +#define PSPAN_READ(a) \ +    *((volatile unsigned long *)(PSPAN_ADDR+(a))) + +int seeprom_read (int addr, uchar * data, int size) +{ +	ulong val, cmd; +	int i; + +	for (i = 0; i < size; i++) { + +		cmd = EEPROM_READ_CMD; +		cmd |= ((addr + i) << 24) & 0xff000000; + +		/* Wait for ACT to authorize write */ +		while ((val = PSPAN_READ (EEPROM_REG)) & 0x80) +			eieio (); + +		/* Write command */ +		PSPAN_WRITE (EEPROM_REG, cmd); + +		/* Wait for data to be valid */ +		while ((val = PSPAN_READ (EEPROM_REG)) & 0x80) +			eieio (); +		/* Do it twice, first read might be erratic */ +		while ((val = PSPAN_READ (EEPROM_REG)) & 0x80) +			eieio (); + +		/* Read error */ +		if (val & 0x00000040) { +			return -1; +		} else { +			data[i] = (val >> 16) & 0xff; +		} +	} +	return 0; +} diff --git a/board/ivm/ivm.c b/board/ivm/ivm.c new file mode 100644 index 000000000..117dbe6a8 --- /dev/null +++ b/board/ivm/ivm.c @@ -0,0 +1,382 @@ +/* + * (C) Copyright 2000, 2001 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * Ulrich Lutz, Speech Design GmbH, ulutz@datalab.de. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <common.h> +#include <mpc8xx.h> +#include <commproc.h> + +#ifdef CONFIG_STATUS_LED +# include <status_led.h> +#endif + +/* ------------------------------------------------------------------------- */ + +static long int dram_size (long int, long int *, long int); + +/* ------------------------------------------------------------------------- */ + +#define	_NOT_USED_	0xFFFFFFFF + +/* + * 50 MHz SHARC access using UPM A + */ +const uint sharc_table[] = +{ +	/* +	 * Single Read. (Offset 0 in UPM RAM) +	 */ +	0x0FF3FC04, 0x0FF3EC00, 0x7FFFEC04, 0xFFFFEC04, +	0xFFFFEC05, /* last */ +	            _NOT_USED_, _NOT_USED_, _NOT_USED_, +	/* +	 * Burst Read. (Offset 8 in UPM RAM) +	 */ +	/* last */ +	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, +	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, +	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, +	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, +	/* +	 * Single Write. (Offset 18 in UPM RAM) +	 */ +	0x0FAFFC04, 0x0FAFEC00, 0x7FFFEC04, 0xFFFFEC04, +	0xFFFFEC05, /* last */ +	            _NOT_USED_, _NOT_USED_, _NOT_USED_, +	/* +	 * Burst Write. (Offset 20 in UPM RAM) +	 */ +	/* last */ +	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, +	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, +	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, +	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, +	/* +	 * Refresh  (Offset 30 in UPM RAM) +	 */ +	/* last */ +	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, +	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, +	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, +	/* +	 * Exception. (Offset 3c in UPM RAM) +	 */ +	0x7FFFFC07, /* last */ +		    _NOT_USED_, _NOT_USED_, _NOT_USED_, +}; + + +/* + * 50 MHz SDRAM access using UPM B + */ +const uint sdram_table[] = +{ +	/* +	 * Single Read. (Offset 0 in UPM RAM) +	 */ +	0x0E26FC04, 0x11ADFC04, 0xEFBBBC00, 0x1FF77C45,	/* last */ +	_NOT_USED_, +	/* +	 * SDRAM Initialization (offset 5 in UPM RAM) +	 * +         * This is no UPM entry point. The following definition uses +         * the remaining space to establish an initialization +         * sequence, which is executed by a RUN command. +	 * +	 */ +		    0x1FF77C35, 0xEFEABC34, 0x1FB57C35, /* last */ +	/* +	 * Burst Read. (Offset 8 in UPM RAM) +	 */ +	0x0E26FC04, 0x10ADFC04, 0xF0AFFC00, 0xF0AFFC00, +	0xF1AFFC00, 0xEFBBBC00, 0x1FF77C45, /* last */ +					    _NOT_USED_, +	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, +	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, +	/* +	 * Single Write. (Offset 18 in UPM RAM) +	 */ +	0x1F27FC04, 0xEEAEBC04, 0x01B93C00, 0x1FF77C45, /* last */ +	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, +	/* +	 * Burst Write. (Offset 20 in UPM RAM) +	 */ +	0x0E26BC00, 0x10AD7C00, 0xF0AFFC00, 0xF0AFFC00, +	0xE1BBBC04, 0x1FF77C45, /* last */ +				_NOT_USED_, _NOT_USED_, +	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, +	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, +	/* +	 * Refresh  (Offset 30 in UPM RAM) +	 */ +	0x1FF5FC84, 0xFFFFFC04, 0xFFFFFC04, 0xFFFFFC84, +	0xFFFFFC05, /* last */ +		    _NOT_USED_, _NOT_USED_, _NOT_USED_, +	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, +	/* +	 * Exception. (Offset 3c in UPM RAM) +	 */ +	0x7FFFFC07, /* last */ +		    _NOT_USED_, _NOT_USED_, _NOT_USED_, +}; + +/* ------------------------------------------------------------------------- */ + + +/* + * Check Board Identity: + * + */ + +int checkboard (void) +{ +#ifdef CONFIG_IVMS8 +	puts ("Board: IVMS8\n"); +#endif +#ifdef CONFIG_IVML24 +	puts ("Board: IVM-L8/24\n"); +#endif +	return (0); +} + +/* ------------------------------------------------------------------------- */ + +long int +initdram (int board_type) +{ +    volatile immap_t     *immr  = (immap_t *)CFG_IMMR; +    volatile memctl8xx_t *memctl = &immr->im_memctl; +    long int size_b0; + +    /* enable SDRAM clock ("switch on" SDRAM) */ +    immr->im_cpm.cp_pbpar &= ~(CFG_PB_SDRAM_CLKE);	/* GPIO */ +    immr->im_cpm.cp_pbodr &= ~(CFG_PB_SDRAM_CLKE);	/* active output */ +    immr->im_cpm.cp_pbdir |=   CFG_PB_SDRAM_CLKE ;	/* output */ +    immr->im_cpm.cp_pbdat |=   CFG_PB_SDRAM_CLKE ;	/* assert SDRAM CLKE */ +    udelay(1); + +    /* +     * Map controller bank 1 for ELIC SACCO +     */ +    memctl->memc_or1 = CFG_OR1; +    memctl->memc_br1 = CFG_BR1; + +    /* +     * Map controller bank 2 for ELIC EPIC +     */ +    memctl->memc_or2 = CFG_OR2; +    memctl->memc_br2 = CFG_BR2; + +    /* +     * Configure UPMA for SHARC +     */ +    upmconfig(UPMA, (uint *)sharc_table, sizeof(sharc_table)/sizeof(uint)); + +#if defined(CONFIG_IVML24) +    /* +     * Map controller bank 4 for HDLC Address space +     */ +    memctl->memc_or4 = CFG_OR4; +    memctl->memc_br4 = CFG_BR4; +#endif + +    /* +     * Map controller bank 5 for SHARC +     */ +    memctl->memc_or5 = CFG_OR5; +    memctl->memc_br5 = CFG_BR5; + +    memctl->memc_mamr = 0x00001000; + +    /* +     * Configure UPMB for SDRAM +     */ +    upmconfig(UPMB, (uint *)sdram_table, sizeof(sdram_table)/sizeof(uint)); + +    memctl->memc_mptpr = CFG_MPTPR_1BK_8K; + +    memctl->memc_mar = 0x00000088; + +    /* +     * Map controller bank 3 to the SDRAM bank at preliminary address. +     */ +    memctl->memc_or3 = CFG_OR3_PRELIM; +    memctl->memc_br3 = CFG_BR3_PRELIM; + +    memctl->memc_mbmr = CFG_MBMR_8COL;	/* refresh not enabled yet */ + +    udelay(200); +    memctl->memc_mcr = 0x80806105;	/* precharge */ +    udelay(1); +    memctl->memc_mcr = 0x80806106;	/* load mode register */ +    udelay(1); +    memctl->memc_mcr = 0x80806130;	/* autorefresh */ +    udelay(1); +    memctl->memc_mcr = 0x80806130;	/* autorefresh */ +    udelay(1); +    memctl->memc_mcr = 0x80806130;	/* autorefresh */ +    udelay(1); +    memctl->memc_mcr = 0x80806130;	/* autorefresh */ +    udelay(1); +    memctl->memc_mcr = 0x80806130;	/* autorefresh */ +    udelay(1); +    memctl->memc_mcr = 0x80806130;	/* autorefresh */ +    udelay(1); +    memctl->memc_mcr = 0x80806130;	/* autorefresh */ +    udelay(1); +    memctl->memc_mcr = 0x80806130;	/* autorefresh */ + +    memctl->memc_mbmr |= MAMR_PTBE;	/* refresh enabled */ + +    /* +     * Check Bank 0 Memory Size for re-configuration +     */ +    size_b0 = dram_size (CFG_MBMR_8COL, (ulong *)SDRAM_BASE3_PRELIM, SDRAM_MAX_SIZE); + +    memctl->memc_mbmr = CFG_MBMR_8COL | MAMR_PTBE; + +    return (size_b0); +} + +/* ------------------------------------------------------------------------- */ + +/* + * Check memory range for valid RAM. A simple memory test determines + * the actually available RAM size between addresses `base' and + * `base + maxsize'. Some (not all) hardware errors are detected: + * - short between address lines + * - short between data lines + */ + +static long int dram_size (long int mamr_value, long int *base, long int maxsize) +{ +    volatile immap_t     *immr  = (immap_t *)CFG_IMMR; +    volatile memctl8xx_t *memctl = &immr->im_memctl; +    volatile long int	 *addr; +    ulong		  cnt, val; +    ulong		  save[32];	/* to make test non-destructive */ +    unsigned char	  i = 0; + +    memctl->memc_mbmr = mamr_value; + +    for (cnt = maxsize/sizeof(long); cnt > 0; cnt >>= 1) { +	addr = base + cnt;	/* pointer arith! */ + +	save[i++] = *addr; +	*addr = ~cnt; +    } + +    /* write 0 to base address */ +    addr = base; +    save[i] = *addr; +    *addr = 0; + +    /* check at base address */ +    if ((val = *addr) != 0) { +	*addr = save[i]; +	return (0); +    } + +    for (cnt = 1; cnt <= maxsize/sizeof(long); cnt <<= 1) { +	addr = base + cnt;	/* pointer arith! */ + +	val = *addr; +	*addr = save[--i]; + +	if (val != (~cnt)) { +	    return (cnt * sizeof(long)); +	} +    } +    return (maxsize); +} + +/* ------------------------------------------------------------------------- */ + +void	reset_phy(void) +{ +	immap_t *immr = (immap_t *)CFG_IMMR; + +	/* De-assert Ethernet Powerdown */ +	immr->im_cpm.cp_pbpar &= ~(CFG_PB_ETH_POWERDOWN); /* GPIO */ +	immr->im_cpm.cp_pbodr &= ~(CFG_PB_ETH_POWERDOWN); /* active output */ +	immr->im_cpm.cp_pbdir |=   CFG_PB_ETH_POWERDOWN ; /* output */ +	immr->im_cpm.cp_pbdat &= ~(CFG_PB_ETH_POWERDOWN); /* Enable PHY power */ +	udelay(1000); + +	/* +         * RESET is implemented by a positive pulse of at least 1 us +         * at the reset pin. +	 * +	 * Configure RESET pins for NS DP83843 PHY, and RESET chip. +	 * +	 * Note: The RESET pin is high active, but there is an +	 *	 inverter on the SPD823TS board... +	 */ +	immr->im_ioport.iop_pcpar &= ~(CFG_PC_ETH_RESET); +	immr->im_ioport.iop_pcdir |=   CFG_PC_ETH_RESET; +	/* assert RESET signal of PHY */ +	immr->im_ioport.iop_pcdat &= ~(CFG_PC_ETH_RESET); +	udelay (10); +	/* de-assert RESET signal of PHY */ +	immr->im_ioport.iop_pcdat |=   CFG_PC_ETH_RESET; +	udelay (10); +} + +/* ------------------------------------------------------------------------- */ + +void show_boot_progress (int status) +{ +#if defined(CONFIG_STATUS_LED) +# if defined(STATUS_LED_YELLOW) +	status_led_set (STATUS_LED_YELLOW, +			(status < 0) ? STATUS_LED_ON : STATUS_LED_OFF); +# endif /* STATUS_LED_YELLOW */ +# if defined(STATUS_LED_BOOT) +	if (status == 6) +	  status_led_set(STATUS_LED_BOOT, STATUS_LED_OFF); +# endif /* STATUS_LED_BOOT */ +#endif /* CONFIG_STATUS_LED */ +} + +/* ------------------------------------------------------------------------- */ + +void ide_set_reset(int on) +{ +	volatile immap_t *immr = (immap_t *)CFG_IMMR; + +	/* +	 * Configure PC for IDE Reset Pin +	 */ +	if (on) {		/* assert RESET */ +		immr->im_ioport.iop_pcdat &= ~(CFG_PC_IDE_RESET); +	} else {		/* release RESET */ +		immr->im_ioport.iop_pcdat |=   CFG_PC_IDE_RESET; +	} + +	/* program port pin as GPIO output */ +	immr->im_ioport.iop_pcpar &= ~(CFG_PC_IDE_RESET); +	immr->im_ioport.iop_pcso  &= ~(CFG_PC_IDE_RESET); +	immr->im_ioport.iop_pcdir |=   CFG_PC_IDE_RESET; +} + +/* ------------------------------------------------------------------------- */ diff --git a/board/lantec/lantec.c b/board/lantec/lantec.c new file mode 100644 index 000000000..812f65acd --- /dev/null +++ b/board/lantec/lantec.c @@ -0,0 +1,236 @@ +/* + * (C) Copyright 2000, 2001 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * (C) Copyright 2001 + * Torsten Stevens, FHG IMS, stevens@ims.fhg.de + * Bruno Achauer, Exet AG, bruno@exet-ag.de. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +/* + * Derived from ../tqm8xx/tqm8xx.c + */ + +#include <common.h> +#include <mpc8xx.h> + +/* ------------------------------------------------------------------------- */ + +static long int dram_size (long int, long int *, long int); + +/* ------------------------------------------------------------------------- */ + +#define	_NOT_USED_	0xFFFFFFFF + +const uint sdram_table[] = +{ +	/* +	 * Single Read. (Offset 0 in UPMA RAM) +	 */ +	0x1f07fc04, 0xeeaefc04, 0x11adfc04, 0xefbbbc00, +	0x1ff77c47, /* last */ +	/* +	 * SDRAM Initialization (offset 5 in UPMA RAM) +	 * +	 * This is no UPM entry point. The following definition uses +	 * the remaining space to establish an initialization +	 * sequence, which is executed by a RUN command. +	 * +	 */ +	0x1ff77c35, 0xefeabc34, 0x1fb57c35, /* last */ +	/* +	 * Burst Read. (Offset 8 in UPMA RAM) +	 */ +	0x1f07fc04, 0xeeaefc04, 0x10adfc04, 0xf0affc00, +	0xf0affc00, 0xf1affc00,	0xefbbbc00, 0x1ff77c47, /* last */ +	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, +	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, +	/* +	 * Single Write. (Offset 18 in UPMA RAM) +	 */ + 	0x1f27fc04, 0xeeaebc00, 0x01b93c04, 0x1ff77c47, /* last */ +	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, +	/* +	 * Burst Write. (Offset 20 in UPMA RAM) +	 */ +	0x1f07fc04, 0xeeaebc00, 0x10ad7c00, 0xf0affc00, +	0xf0affc00, 0xe1bbbc04, 0x1ff77c47, /* last */ +					    _NOT_USED_, +	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, +	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, +	/* +	 * Refresh  (Offset 30 in UPMA RAM) +	 */ +	0x1ff5fc84, 0xfffffc04, 0xfffffc04, 0xfffffc04, +	0xfffffc84, 0xfffffc07, 0xfffffc07, /* last */ +					    _NOT_USED_, +	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, +	/* +	 * Exception. (Offset 3c in UPMA RAM) +	 */ +	0x7ffffc07, /* last */ +		    _NOT_USED_, _NOT_USED_, _NOT_USED_, +}; + +/* ------------------------------------------------------------------------- */ + + +/* + * Check Board Identity: + * + * Test TQ ID string (TQM8xx...) + * If present, check for "L" type (no second DRAM bank), + * otherwise "L" type is assumed as default. + * + * Return 1 for "L" type, 0 else. + */ + +int checkboard (void) +{ +	printf("Board: Lantec special edition rev.%d\n", CONFIG_LANTEC); +	return 0; +} + +/* ------------------------------------------------------------------------- */ + +long int initdram (int board_type) +{ +	volatile immap_t     *immap  = (immap_t *)CFG_IMMR; +	volatile memctl8xx_t *memctl = &immap->im_memctl; +	long int size_b0; +	int i; + +	/* +	 * Configure UPMA for SDRAM +	 */ +	upmconfig(UPMA, (uint *)sdram_table, sizeof(sdram_table)/sizeof(uint)); + +	memctl->memc_mptpr = CFG_MPTPR_1BK_8K /* XXX CFG_MPTPR XXX */; + +	/* burst length=4, burst type=sequential, CAS latency=2 */ +	memctl->memc_mar = 0x00000088; + +	/* +	* Map controller bank 3 to the SDRAM bank at preliminary address. +	*/ +	memctl->memc_or3 = CFG_OR3_PRELIM; +	memctl->memc_br3 = CFG_BR3_PRELIM; + +	/* initialize memory address register */ +	memctl->memc_mamr = CFG_MAMR_8COL;	/* refresh not enabled yet */ + +	/* mode initialization (offset 5) */ +	udelay(200);	/* 0x80006105 */ +	memctl->memc_mcr = MCR_OP_RUN | MCR_MB_CS3 | MCR_MLCF(1) | MCR_MAD(0x05); + +	/* run 2 refresh sequence with 4-beat refresh burst (offset 0x30) */ +	udelay(1);		/* 0x80006130 */ +	memctl->memc_mcr = MCR_OP_RUN | MCR_MB_CS3 | MCR_MLCF(1) | MCR_MAD(0x30); +	udelay(1);		/* 0x80006130 */ +	memctl->memc_mcr = MCR_OP_RUN | MCR_MB_CS3 | MCR_MLCF(1) | MCR_MAD(0x30); + +	udelay(1);		/* 0x80006106 */ +	memctl->memc_mcr = MCR_OP_RUN | MCR_MB_CS3 | MCR_MLCF(1) | MCR_MAD(0x06); + +	memctl->memc_mamr |= MAMR_PTBE;	/* refresh enabled */ + +	udelay(200); + +	/* Need at least 10 DRAM accesses to stabilize */ +	for (i=0; i<10; ++i) { +		volatile unsigned long *addr = \ +				(volatile unsigned long *)SDRAM_BASE3_PRELIM; +		unsigned long val; + +		val = *(addr + i); +		*(addr + i) = val; +	} + +	/* +	* Check Bank 0 Memory Size for re-configuration +	*/ +	size_b0 = dram_size (CFG_MAMR_8COL, +			     (ulong *)SDRAM_BASE3_PRELIM, +			     SDRAM_MAX_SIZE); + +	memctl->memc_mamr = CFG_MAMR_8COL | MAMR_PTBE; + +	/* +	 * Final mapping: +	 */ + +	memctl->memc_or3 = ((-size_b0) & 0xFFFF0000) | CFG_OR_TIMING_SDRAM; +	memctl->memc_br3 = (CFG_SDRAM_BASE & BR_BA_MSK) | BR_MS_UPMA | BR_V; +	udelay(1000); + +	return (size_b0); +} + +/* ------------------------------------------------------------------------- */ + +/* + * Check memory range for valid RAM. A simple memory test determines + * the actually available RAM size between addresses `base' and + * `base + maxsize'. Some (not all) hardware errors are detected: + * - short between address lines + * - short between data lines + */ + +static long int dram_size (long int mamr_value, long int *base, long int maxsize) +{ +    volatile immap_t     *immap  = (immap_t *)CFG_IMMR; +    volatile memctl8xx_t *memctl = &immap->im_memctl; +    volatile long int	 *addr; +    ulong		  cnt, val; +    ulong		  save[32];	/* to make test non-destructive */ +    unsigned char	  i = 0; + +    memctl->memc_mamr = mamr_value; + +    for (cnt = maxsize/sizeof(long); cnt > 0; cnt >>= 1) { +	addr = base + cnt;	/* pointer arith! */ + +	save[i++] = *addr; +	*addr = ~cnt; +    } + +    /* write 0 to base address */ +    addr = base; +    save[i] = *addr; +    *addr = 0; + +    /* check at base address */ +    if ((val = *addr) != 0) { +	*addr = save[i]; +	return (0); +    } + +    for (cnt = 1; cnt <= maxsize/sizeof(long); cnt <<= 1) { +	addr = base + cnt;	/* pointer arith! */ + +	val = *addr; +	*addr = save[--i]; + +	if (val != (~cnt)) { +	    return (cnt * sizeof(long)); +	} +    } +    return (maxsize); +} diff --git a/board/mousse/mousse.c b/board/mousse/mousse.c new file mode 100644 index 000000000..7208a17c1 --- /dev/null +++ b/board/mousse/mousse.c @@ -0,0 +1,86 @@ +/* + * MOUSSE Board Support + * + * (C) Copyright 2000 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * (C) Copyright 2001 + * James Dougherty, jfd@cs.stanford.edu + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <common.h> +#include <mpc824x.h> +#include <asm/processor.h> + +#include "mousse.h" +#include "m48t59y.h" +#include <pci.h> + + +int checkboard (void) +{ +	ulong busfreq = get_bus_freq (0); +	char buf[32]; + +	puts ("Board: MOUSSE MPC8240/KAHLUA - CHRP (MAP B)\n"); +	printf ("Built: %s at %s\n", __DATE__, __TIME__); +	printf ("MPLD:  Revision %d\n", SYS_REVID_GET ()); +	printf ("Local Bus:  %s MHz\n", strmhz (buf, busfreq)); + +	return 0; +} + +int checkflash (void) +{ +	printf ("checkflash\n"); +	flash_init (); +	return 0; +} + +long int initdram (int board_type) +{ +	return CFG_RAM_SIZE; +} + + +void get_tod (void) +{ +	int year, month, day, hour, minute, second; + +	m48_tod_get (&year, &month, &day, &hour, &minute, &second); + +	printf ("  Current date/time: %d/%d/%d %d:%d:%d \n", +		month, day, year, hour, minute, second); + +} + +/* + * EPIC, PCI, and I/O devices. + * Initialize Mousse Platform, probe for PCI devices, + * Query configuration parameters if not set. + */ +int misc_init_f (void) +{ +	m48_tod_init ();	/* Init SGS M48T59Y TOD/NVRAM */ +	printf ("RTC:   M48T589 TOD/NVRAM (%d) bytes\n", TOD_NVRAM_SIZE); +	get_tod (); +	return 0; +} |