diff options
| author | wdenk <wdenk> | 2002-08-26 22:36:39 +0000 | 
|---|---|---|
| committer | wdenk <wdenk> | 2002-08-26 22:36:39 +0000 | 
| commit | f8cac651b33efa270e4dfa1292d01a3b5d7a62cf (patch) | |
| tree | 78f852cbd430308689fb44f6d2ab243cf5cdd73b | |
| parent | 67c4f48a49bb428bca409b1f6b6ca03f448c3645 (diff) | |
| download | olio-uboot-2014.01-f8cac651b33efa270e4dfa1292d01a3b5d7a62cf.tar.xz olio-uboot-2014.01-f8cac651b33efa270e4dfa1292d01a3b5d7a62cf.zip | |
Initial revision
| -rw-r--r-- | board/bmw/bmw.c | 162 | ||||
| -rw-r--r-- | board/bmw/serial.c | 83 | ||||
| -rw-r--r-- | board/cpu86/cpu86.c | 354 | ||||
| -rw-r--r-- | board/nx823/nx823.c | 485 | ||||
| -rw-r--r-- | board/pcippc2/fpga_serial.c | 132 | ||||
| -rw-r--r-- | board/pcippc2/fpga_serial.h | 34 | ||||
| -rw-r--r-- | board/pcippc2/sconsole.c | 141 | ||||
| -rw-r--r-- | board/pcippc2/sconsole.h | 49 | ||||
| -rw-r--r-- | board/pm826/pm826.c | 344 | ||||
| -rw-r--r-- | board/siemens/IAD210/IAD210.c | 318 | ||||
| -rw-r--r-- | board/siemens/SCM/scm.c | 573 | ||||
| -rw-r--r-- | board/siemens/pcu_e/pcu_e.c | 589 | ||||
| -rw-r--r-- | board/spd8xx/spd8xx.c | 324 | ||||
| -rw-r--r-- | board/tqm8260/tqm8260.c | 402 | ||||
| -rw-r--r-- | board/tqm8xx/tqm8xx.c | 423 | ||||
| -rw-r--r-- | board/w7o/cmd_vpd.c | 60 | ||||
| -rw-r--r-- | board/walnut405/walnut405.c | 138 | ||||
| -rw-r--r-- | board/westel/amx860/amx860.c | 93 | 
18 files changed, 4704 insertions, 0 deletions
| diff --git a/board/bmw/bmw.c b/board/bmw/bmw.c new file mode 100644 index 000000000..25a710f43 --- /dev/null +++ b/board/bmw/bmw.c @@ -0,0 +1,162 @@ +/* + * (C) Copyright 2002 + * James F. Dougherty, Broadcom Corporation, jfd@broadcom.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 <common.h> +#include <watchdog.h> +#include <command.h> +#include <malloc.h> +#include <devices.h> +#include <syscall.h> +#include <net.h> +#include <version.h> +#include <dtt.h> +#include <mpc824x.h> +#include <asm/processor.h> +#include <linux/mtd/doc2000.h> + +#include "bmw.h" +#include "m48t59y.h" +#include <pci.h> + + +int checkboard(void) +{ +    ulong busfreq  = get_bus_freq(0); +    char  buf[32]; + +    puts ("Board: BMW MPC8245/KAHLUA2 - CHRP (MAP B)\n"); +    printf("Built: %s at %s\n", __DATE__ , __TIME__ ); +    /* printf("MPLD:  Revision %d\n", SYS_REVID_GET()); */ +    printf("Local Bus at %s MHz\n", strmhz(buf, busfreq)); +    return 0; +} + +long int initdram(int board_type) +{ +    return 64*1024*1024; +} + + +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) +{ +#if 0 +    m48_tod_init(); /* Init SGS M48T59Y TOD/NVRAM */ +    printf("RTC:   M48T589 TOD/NVRAM (%d) bytes\n", +	   TOD_NVRAM_SIZE); +    get_tod(); +#endif + +    sys_led_msg("BOOT"); +    return 0; +} + + + + + +/* + * Initialize PCI Devices, report devices found. + */ +struct pci_controller hose; + +void pci_init (void) +{ +    pci_mpc824x_init(&hose); +    /* pci_dev_init(0); */ +} + +/* + * Write characters to LCD display. + * Note that the bytes for the first character is the last address. + */ +void +sys_led_msg(char* msg) +{ +    LED_REG(0) = msg[3]; +    LED_REG(1) = msg[2]; +    LED_REG(2) = msg[1]; +    LED_REG(3) = msg[0]; +} + +/* + * Map onboard TSOP-16MB DOC FLASH chip. + */ +void doc_init (void) +{ +    doc_probe(DOC_BASE_ADDR); +} + +#define NV_ADDR	((volatile unsigned char *) CFG_ENV_ADDR) + +/* Read from NVRAM */ +void* +nvram_read(void *dest, const long src, size_t count) +{ +    int i; +    volatile unsigned char* d = (unsigned char*)dest; +    volatile unsigned char* s = (unsigned char*)src; + +    for( i = 0; i < count;i++) +	d[i] = s[i]; + +    return dest; +} + +/* Write to NVRAM */ +void +nvram_write(long dest, const void *src, size_t count) +{ +    int i; +    volatile unsigned char* d = (unsigned char*)dest; +    volatile unsigned char* s = (unsigned char*)src; + +    SYS_TOD_UNPROTECT(); + +    for( i = 0; i < count;i++) +	d[i] = s[i]; + +    SYS_TOD_PROTECT(); +} diff --git a/board/bmw/serial.c b/board/bmw/serial.c new file mode 100644 index 000000000..f36a41b9f --- /dev/null +++ b/board/bmw/serial.c @@ -0,0 +1,83 @@ +/* + * (C) Copyright 2000 + * Rob Taylor, Flying Pig Systems. robt@flyingpig.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 "ns16550.h" + +#if CONFIG_CONS_INDEX == 1 +static struct NS16550 *console = +		(struct NS16550 *) (CFG_EUMB_ADDR + 0x4500); +#elif CONFIG_CONS_INDEX == 2 +static struct NS16550 *console = +		(struct NS16550 *) (CFG_EUMB_ADDR + 0x4500); +#else +#error no valid console defined +#endif + +extern ulong get_bus_freq (ulong); + +int serial_init (void) +{ +	DECLARE_GLOBAL_DATA_PTR; + +	int clock_divisor = gd->bus_clk / 16 / gd->baudrate; + +	NS16550_init (CONFIG_CONS_INDEX - 1, clock_divisor); + +	return (0); +} + +void serial_putc (const char c) +{ +	if (c == '\n') { +		serial_putc ('\r'); +	} +	NS16550_putc (console, c); +} + +void serial_puts (const char *s) +{ +	while (*s) { +		serial_putc (*s++); +	} +} + + +int serial_getc (void) +{ +	return NS16550_getc (console); +} + +int serial_tstc (void) +{ +	return NS16550_tstc (console); +} + +void serial_setbrg (void) +{ +	DECLARE_GLOBAL_DATA_PTR; + +	int clock_divisor = get_bus_freq (0) / 16 / gd->baudrate; + +	NS16550_reinit (console, clock_divisor); +} diff --git a/board/cpu86/cpu86.c b/board/cpu86/cpu86.c new file mode 100644 index 000000000..9477a15fb --- /dev/null +++ b/board/cpu86/cpu86.c @@ -0,0 +1,354 @@ +/* + * (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 <ioports.h> +#include <mpc8260.h> +#include "cpu86.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 */ {   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   }, /* FCC1 MII MDIO */ +	/* PA22 */ {   1,   0,   0,   1,   0,   0   }, /* FCC1 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[0] */ +	/* PA16 */ {   1,   1,   0,   0,   0,   0   }, /* FCC1 MII RxD[1] */ +	/* PA15 */ {   1,   1,   0,   0,   0,   0   }, /* FCC1 MII RxD[2] */ +	/* PA14 */ {   1,   1,   0,   0,   0,   0   }, /* FCC1 MII RxD[3] */ +	/* PA13 */ {   1,   0,   0,   1,   0,   0   }, /* FCC2 MII TXSL1 */ +	/* PA12 */ {   1,   0,   0,   1,   0,   1   }, /* FCC2 MII TXSL0 */ +	/* PA11 */ {   1,   0,   0,   1,   0,   0   }, /* FCC1 MII TXSL1 */ +	/* PA10 */ {   1,   0,   0,   1,   0,   1   }, /* FCC1 MII TXSL0 */ +	/* PA9  */ {   0,   1,   0,   1,   0,   0   }, /* SMC2 TXD */ +	/* PA8  */ {   0,   1,   0,   0,   0,   0   }, /* SMC2 RXD */ +	/* PA7  */ {   0,   0,   0,   0,   0,   0   }, /* PA7 */ +	/* PA6  */ {   1,   0,   0,   1,   0,   1   }, /* FCC2 MII PAUSE */ +	/* PA5  */ {   1,   0,   0,   1,   0,   1   }, /* FCC1 MII PAUSE */ +	/* PA4  */ {   1,   0,   0,   1,   0,   0   }, /* FCC2 MII PWRDN */ +	/* PA3  */ {   1,   0,   0,   1,   0,   0   }, /* FCC1 MII PWRDN */ +	/* PA2  */ {   0,   0,   0,   0,   0,   0   }, /* PA2 */ +	/* PA1  */ {   1,   0,   0,   0,   0,   0   }, /* FCC2 MII MDINT */ +	/* PA0  */ {   1,   0,   0,   1,   0,   0   }  /* FCC1 MII MDINT */ +    }, + +    /* 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 */ {   0,   0,   0,   0,   0,   0   }, /* PB17 */ +	/* PB16 */ {   0,   0,   0,   0,   0,   0   }, /* PB16 */ +	/* PB15 */ {   0,   0,   0,   0,   0,   0   }, /* PB15 */ +	/* PB14 */ {   0,   0,   0,   0,   0,   0   }, /* PB14 */ +	/* PB13 */ {   0,   0,   0,   0,   0,   0   }, /* PB13 */ +	/* PB12 */ {   0,   0,   0,   0,   0,   0   }, /* PB12 */ +	/* PB11 */ {   0,   0,   0,   0,   0,   0   }, /* PB11 */ +	/* PB10 */ {   0,   0,   0,   0,   0,   0   }, /* PB10 */ +	/* PB9  */ {   0,   0,   0,   0,   0,   0   }, /* PB9 */ +	/* PB8  */ {   0,   0,   0,   0,   0,   0   }, /* PB8 */ +	/* PB7  */ {   0,   0,   0,   0,   0,   0   }, /* PB7 */ +	/* PB6  */ {   0,   0,   0,   0,   0,   0   }, /* PB6 */ +	/* PB5  */ {   0,   0,   0,   0,   0,   0   }, /* PB5 */ +	/* PB4  */ {   0,   0,   0,   0,   0,   0   }, /* PB4 */ +	/* PB3  */ {   0,   0,   0,   0,   0,   0   }, /* PB3 */ +	/* PB2  */ {   0,   0,   0,   0,   0,   0   }, /* PB2 */ +	/* PB1  */ {   0,   0,   0,   0,   0,   0   }, /* PB1 */ +	/* PB0  */ {   0,   0,   0,   0,   0,   0   }  /* PB0 */ +    }, + +    /* Port C */ +    {   /*	      conf ppar psor pdir podr pdat */ +	/* PC31 */ {   0,   0,   0,   0,   0,   0   }, /* PC31 */ +	/* PC30 */ {   0,   0,   0,   0,   0,   0   }, /* PC30 */ +	/* PC29 */ {   1,   0,   0,   0,   0,   0   }, /* SCC1 CTS */ +	/* PC28 */ {   1,   0,   0,   0,   0,   0   }, /* SCC2 CTS */ +	/* PC27 */ {   0,   0,   0,   0,   0,   0   }, /* PC27 */ +	/* PC26 */ {   0,   0,   0,   0,   0,   0   }, /* PC26 */ +	/* PC25 */ {   0,   0,   0,   0,   0,   0   }, /* PC25 */ +	/* PC24 */ {   0,   0,   0,   0,   0,   0   }, /* PC24 */ +	/* PC23 */ {   0,   0,   0,   0,   0,   0   }, /* FDC37C78 DACFD */ +	/* PC22 */ {   0,   0,   0,   0,   0,   0   }, /* FDC37C78 DNFD */ +	/* PC21 */ {   1,   1,   0,   0,   0,   0   }, /* FCC1 MII RX_CLK */ +	/* PC20 */ {   1,   1,   0,   0,   0,   0   }, /* FCC1 MII TX_CLK */ +	/* PC19 */ {   1,   1,   0,   0,   0,   0   }, /* FCC2 MII RX_CLK */ +	/* PC18 */ {   1,   1,   0,   0,   0,   0   }, /* FCC2 MII TX_CLK */ +	/* PC17 */ {   0,   0,   0,   0,   0,   0   }, /* PC17 */ +	/* PC16 */ {   0,   0,   0,   0,   0,   0   }, /* PC16 */ +	/* PC15 */ {   0,   0,   0,   0,   0,   0   }, /* PC15 */ +	/* PC14 */ {   0,   0,   0,   0,   0,   0   }, /* PC14 */ +	/* PC13 */ {   0,   0,   0,   0,   0,   0   }, /* PC13 */ +	/* PC12 */ {   0,   0,   0,   0,   0,   0   }, /* PC12 */ +	/* PC11 */ {   0,   0,   0,   0,   0,   0   }, /* PC11 */ +	/* PC10 */ {   0,   0,   0,   0,   0,   0   }, /* PC10 */ +	/* PC9  */ {   0,   0,   0,   0,   0,   0   }, /* FC9 */ +	/* PC8  */ {   0,   0,   0,   0,   0,   0   }, /* PC8 */ +	/* PC7  */ {   0,   0,   0,   0,   0,   0   }, /* PC7 */ +	/* PC6  */ {   0,   0,   0,   0,   0,   0   }, /* PC6 */ +	/* PC5  */ {   0,   0,   0,   0,   0,   0   }, /* PC5 */ +	/* PC4  */ {   0,   0,   0,   0,   0,   0   }, /* PC4 */ +	/* PC3  */ {   0,   0,   0,   0,   0,   0   }, /* PC3 */ +	/* PC2  */ {   0,   0,   0,   0,   0,   0   }, /* PC2 */ +	/* PC1  */ {   0,   0,   0,   0,   0,   0   }, /* PC1 */ +	/* PC0  */ {   0,   0,   0,   0,   0,   0   }, /* FDC37C78 DRQFD */ +    }, + +    /* Port D */ +    {   /*	      conf ppar psor pdir podr pdat */ +	/* PD31 */ {   1,   1,   0,   0,   0,   0   }, /* SCC1 RXD */ +	/* PD30 */ {   1,   1,   1,   1,   0,   0   }, /* SCC1 TXD */ +	/* PD29 */ {   1,   0,   0,   1,   0,   0   }, /* SCC1 RTS */ +	/* PD28 */ {   1,   1,   0,   0,   0,   0   }, /* SCC2 RXD */ +	/* PD27 */ {   1,   1,   0,   1,   0,   0   }, /* SCC2 TXD */ +	/* PD26 */ {   1,   0,   0,   1,   0,   0   }, /* SCC2 RTS */ +	/* PD25 */ {   0,   0,   0,   0,   0,   0   }, /* PD25 */ +	/* PD24 */ {   0,   0,   0,   0,   0,   0   }, /* PD24 */ +	/* PD23 */ {   0,   0,   0,   0,   0,   0   }, /* PD23 */ +	/* PD22 */ {   0,   0,   0,   0,   0,   0   }, /* PD22 */ +	/* PD21 */ {   0,   0,   0,   0,   0,   0   }, /* PD21 */ +	/* PD20 */ {   0,   0,   0,   0,   0,   0   }, /* PD20 */ +	/* PD19 */ {   0,   0,   0,   0,   0,   0   }, /* PD19 */ +	/* PD18 */ {   0,   0,   0,   0,   0,   0   }, /* PD18 */ +	/* PD17 */ {   0,   0,   0,   0,   0,   0   }, /* PD17 */ +	/* PD16 */ {   0,   0,   0,   0,   0,   0   }, /* PD16 */ +#if defined(CONFIG_SOFT_I2C) +	/* PD15 */ {   1,   0,   0,   1,   1,   1   }, /* I2C SDA */ +	/* PD14 */ {   1,   0,   0,   1,   1,   1   }, /* I2C SCL */ +#else +#if defined(CONFIG_HARD_I2C) +	/* PD15 */ {   1,   1,   1,   0,   1,   0   }, /* I2C SDA */ +	/* PD14 */ {   1,   1,   1,   0,   1,   0   }, /* I2C SCL */ +#else /* normal I/O port pins */ +	/* PD15 */ {   1,   1,   1,   0,   1,   0   }, /* I2C SDA */ +	/* PD14 */ {   1,   1,   1,   0,   1,   0   }, /* I2C SCL */ +#endif +#endif +	/* 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,   0,   0,   0   }, /* PD7 */ +	/* PD6  */ {   0,   0,   0,   0,   0,   0   }, /* PD6 */ +	/* PD5  */ {   0,   0,   0,   0,   0,   0   }, /* PD5 */ +	/* PD4  */ {   0,   0,   0,   0,   0,   0   }, /* PD4 */ +	/* PD3  */ {   0,   0,   0,   0,   0,   0   }, /* PD3 */ +	/* PD2  */ {   0,   0,   0,   0,   0,   0   }, /* PD2 */ +	/* PD1  */ {   0,   0,   0,   0,   0,   0   }, /* PD1 */ +	/* PD0  */ {   0,   0,   0,   0,   0,   0   }  /* PD0 */ +    } +}; + +/* ------------------------------------------------------------------------- */ + +/* Check Board Identity: + */ +int checkboard (void) +{ +	printf ("Board: CPU86 (Rev %02x)\n", CPU86_REV); +	return 0; +} + +/* ------------------------------------------------------------------------- */ + +/* Try SDRAM initialization with P/LSDMR=sdmr and ORx=orx + * + * This routine performs standard 8260 initialization sequence + * and calculates the available memory size. It may be called + * several times to try different SDRAM configurations on both + * 60x and local buses. + */ +static long int try_init (volatile memctl8260_t * memctl, ulong sdmr, +			  ulong orx, volatile uchar * base) +{ +	volatile uchar c = 0xff; +	ulong cnt, val; +	volatile ulong *addr; +	volatile uint *sdmr_ptr; +	volatile uint *orx_ptr; +	int i; +	ulong save[32];		/* to make test non-destructive */ +	ulong maxsize; + +	/* 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 + (~orx | 0x7fff)) / 2; + +	/* Since CFG_SDRAM_BASE is always 0 (??), we assume that +	 * we are configuring CS1 if base != 0 +	 */ +	sdmr_ptr = &memctl->memc_psdmr; +	orx_ptr = &memctl->memc_or2; + +	*orx_ptr = orx; + +	/* +	 * 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. +	 */ + +	*sdmr_ptr = sdmr | PSDMR_OP_PREA; +	*base = c; + +	*sdmr_ptr = sdmr | PSDMR_OP_CBRR; +	for (i = 0; i < 8; i++) +		*base = c; + +	*sdmr_ptr = sdmr | PSDMR_OP_MRW; +	*(base + CFG_MRS_OFFS) = c;	/* setting MR on address lines */ + +	*sdmr_ptr = sdmr | PSDMR_OP_NORM | PSDMR_RFEN; +	*base = c; + +	/* +	 * 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 +			 */ +			*orx_ptr = orx | ~(cnt * sizeof (long) - 1); +			return (cnt * sizeof (long)); +		} +	} +	return (maxsize); +} + +long int initdram (int board_type) +{ +	volatile immap_t *immap = (immap_t *) CFG_IMMR; +	volatile memctl8260_t *memctl = &immap->im_memctl; + +#ifndef CFG_RAMBOOT +	ulong size8, size9; +#endif +	long psize; + +	psize = 32 * 1024 * 1024; + +	memctl->memc_mptpr = CFG_MPTPR; +	memctl->memc_psrt = CFG_PSRT; + +#ifndef CFG_RAMBOOT +	/* 60x SDRAM setup: +	 */ +	size8 = try_init (memctl, CFG_PSDMR_8COL, CFG_OR2_8COL, +			  (uchar *) CFG_SDRAM_BASE); +	size9 = try_init (memctl, CFG_PSDMR_9COL, CFG_OR2_9COL, +			  (uchar *) CFG_SDRAM_BASE); + +	if (size8 < size9) { +		psize = size9; +		printf ("(60x:9COL) "); +	} else { +		psize = try_init (memctl, CFG_PSDMR_8COL, CFG_OR2_8COL, +				  (uchar *) CFG_SDRAM_BASE); +		printf ("(60x:8COL) "); +	} + +#endif	/* CFG_RAMBOOT */ + +	icache_enable (); + +	return (psize); +} + +#if (CONFIG_COMMANDS & CFG_CMD_DOC) +extern void doc_probe (ulong physadr); +void doc_init (void) +{ +	doc_probe (CFG_DOC_BASE); +} +#endif diff --git a/board/nx823/nx823.c b/board/nx823/nx823.c new file mode 100644 index 000000000..35cc9b07f --- /dev/null +++ b/board/nx823/nx823.c @@ -0,0 +1,485 @@ +/* + * (C) Copyright 2001 + * Kyle Harris, Nexus Technologies, Inc. kharris@nexus-tech.net + * + * (C) Copyright 2001-2002 + * 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 <malloc.h> +#include <mpc8xx.h> + +/* ------------------------------------------------------------------------- */ + +static long int dram_size (long int, long int *, long int); + +/* ------------------------------------------------------------------------- */ + +#define	_NOT_USED_	0xFFFFFFFF + +const uint sdram_table[] = +{ +#if (MPC8XX_SPEED <= 50000000L) +	/* +	 * Single Read. (Offset 0 in UPMA RAM) +	 */ +	0x0F07EC04, +	0x01BBD804, +	0x1FF7F440, +	0xFFFFFC07, +	0xFFFFFFFF, + +	/* +	 * 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. +	 * +	 */ +	0x1FE7F434, +	0xEFABE834, +	0x1FA7D435, + +	/* +	 * Burst Read. (Offset 8 in UPMA RAM) +	 */ +	0x0F07EC04, +	0x10EFDC04, +	0xF0AFFC00, +	0xF0AFFC00, +	0xF1AFFC00, +	0xFFAFFC40, +	0xFFAFFC07, +	0xFFFFFFFF, +	0xFFFFFFFF, +	0xFFFFFFFF, +	0xFFFFFFFF, +	0xFFFFFFFF, +	0xFFFFFFFF, +	0xFFFFFFFF, +	0xFFFFFFFF, +	0xFFFFFFFF, + +	/* +	 * Single Write. (Offset 18 in UPMA RAM) +	 */ +	0x0E07E804, +	0x01BBD000, +	0x1FF7F447, +	0xFFFFFFFF, +	0xFFFFFFFF, +	0xFFFFFFFF, +	0xFFFFFFFF, +	0xFFFFFFFF, + +	/* +	 * Burst Write. (Offset 20 in UPMA RAM) +	 */ +	0x0E07E800, +	0x10EFD400, +	0xF0AFFC00, +	0xF0AFFC00, +	0xF1AFFC47, +	0xFFFFFFFF, +	0xFFFFFFFF, +	0xFFFFFFFF, +	0xFFFFFFFF, +	0xFFFFFFFF, +	0xFFFFFFFF, +	0xFFFFFFFF, +	0xFFFFFFFF, +	0xFFFFFFFF, +	0xFFFFFFFF, +	0xFFFFFFFF, + +	/* +	 * Refresh  (Offset 30 in UPMA RAM) +	 */ +	0x1FF7DC84, +	0xFFFFFC04, +	0xFFFFFC84, +	0xFFFFFC07, +	0xFFFFFFFF, +	0xFFFFFFFF, +	0xFFFFFFFF, +	0xFFFFFFFF, +	0xFFFFFFFF, +	0xFFFFFFFF, +	0xFFFFFFFF, +	0xFFFFFFFF, + +	/* +	 * Exception. (Offset 3c in UPMA RAM) +	 */ +	0x7FFFFC07, +	0xFFFFFFFF, +	0xFFFFFFFF, +	0xFFFFFFFF + +#else + +	/* +	 * Single Read. (Offset 0 in UPMA RAM) +	 */ +	0x1F07FC04, +	0xEEAFEC04, +	0x11AFDC04, +	0xEFBBF800, +	0x1FF7F447, + +	/* +	 * 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. +	 * +	 */ +	0x1FF7F434, +	0xEFEBE834, +	0x1FB7D435, + +	/* +	 * Burst Read. (Offset 8 in UPMA RAM) +	 */ +	0x1F07FC04, +	0xEEAFEC04, +	0x10AFDC04, +	0xF0AFFC00, +	0xF0AFFC00, +	0xF1AFFC00, +	0xEFBBF800, +	0x1FF7F447, +	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, +	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, + +	/* +	 * Single Write. (Offset 18 in UPMA RAM) +	 */ +	0x1F07FC04, +	0xEEAFE800, +	0x01BBD004, +	0x1FF7F447, +	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, + +	/* +	 * Burst Write. (Offset 20 in UPMA RAM) +	 */ +	0x1F07FC04, +	0xEEAFE800, +	0x10AFD400, +	0xF0AFFC00, +	0xF0AFFC00, +	0xE1BBF804, +	0x1FF7F447, + 	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, +	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, + +	/* +	 * Refresh  (Offset 30 in UPMA RAM) +	 */ +	0x1FF7DC84, +	0xFFFFFC04, +	0xFFFFFC04, +	0xFFFFFC04, +	0xFFFFFC84, +	0xFFFFFC07, +	_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_, +#endif +}; + +/* ------------------------------------------------------------------------- */ + + +/* + * Check Board Identity: + * + */ + +int checkboard (void) +{ +    printf ("Board: Nexus NX823"); +    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)); + +    /* +     * Up to 2 Banks of 64Mbit x 2 devices +	  * Initial builds only have 1 +     */ +    memctl->memc_mptpr = CFG_MPTPR_1BK_4K; +    memctl->memc_mar  = 0x00000088; + +    /* +     * Map controller SDRAM bank 0 +     */ +    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); + +    /* +     * Map controller SDRAM bank 1 +     */ +    memctl->memc_or2 = CFG_OR2_PRELIM; +    memctl->memc_br2 = CFG_BR2_PRELIM; + +    /* +     * Perform SDRAM initializsation sequence +     */ +    memctl->memc_mcr  = 0x80002105;	/* SDRAM bank 0 */ +    udelay(1); +    memctl->memc_mcr  = 0x80002230;	/* SDRAM bank 0 - execute twice */ +    udelay(1); + +    memctl->memc_mcr  = 0x80004105;	/* SDRAM bank 1 */ +    udelay(1); +    memctl->memc_mcr  = 0x80004230;	/* SDRAM bank 1 - execute twice */ +    udelay(1); + +    memctl->memc_mamr |= MAMR_PTAE;	/* enable refresh */ +    udelay (1000); + +    /* +     * 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; + + +    /* +     * 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);	*/ +    } + +	/* +	 * 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_BASE2_PRELIM, +				SDRAM_MAX_SIZE); +/*	debug ("SDRAM Bank 1: %ld MB\n", size8 >> 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) && (size_b1 < 0x02000000)) { +	/* reduce to 15.6 us (62.4 us / quad) */ +	memctl->memc_mptpr = CFG_MPTPR_2BK_4K; +	udelay(1000); +    } + +    /* +     * Final mapping: map bigger bank first +     */ +    if (size_b1 > size_b0) {	/* SDRAM Bank 1 is bigger - map first	*/ + +	memctl->memc_or2 = ((-size_b1) & 0xFFFF0000) | CFG_OR_TIMING_SDRAM; +	memctl->memc_br2 = (CFG_SDRAM_BASE & BR_BA_MSK) | BR_MS_UPMA | BR_V; + +	if (size_b0 > 0) { +	    /* +	     * Position Bank 0 immediately above Bank 1 +	     */ +	    memctl->memc_or1 = ((-size_b0) & 0xFFFF0000) | CFG_OR_TIMING_SDRAM; +	    memctl->memc_br1 = ((CFG_SDRAM_BASE & BR_BA_MSK) | BR_MS_UPMA | BR_V) +	    		       + size_b1; +	} else { +	    unsigned long reg; +	    /* +	     * No bank 0 +	     * +	     * invalidate bank +	     */ +	    memctl->memc_br1 = 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_or1 = ((-size_b0) & 0xFFFF0000) | CFG_OR_TIMING_SDRAM; +	memctl->memc_br1 = (CFG_SDRAM_BASE & BR_BA_MSK) | BR_MS_UPMA | BR_V; + +	if (size_b1 > 0) { +	    /* +	     * Position Bank 1 immediately above Bank 0 +	     */ +	    memctl->memc_or2 = ((-size_b1) & 0xFFFF0000) | CFG_OR_TIMING_SDRAM; +	    memctl->memc_br2 = ((CFG_SDRAM_BASE & BR_BA_MSK) | BR_MS_UPMA | BR_V) +	    		       + size_b0; +	} else { +	    unsigned long reg; +	    /* +	     * No bank 1 +	     * +	     * 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; +	} +    } + +    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; +    long int		  cnt, val; + +    memctl->memc_mamr = mamr_value; + +    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 */ +} + +u_long *my_sernum; + +int misc_init_r (void) +{ +	DECLARE_GLOBAL_DATA_PTR; + +	char tmp[50]; +	u_char *e = gd->bd->bi_enetaddr; + +	/* save serial numbre from flash (uniquely programmed) */ +	my_sernum = malloc(8); +	memcpy(my_sernum,gd->bd->bi_sernum,8); + +	/* save env variables according to sernum */ +	sprintf(tmp,"%08lx%08lx",my_sernum[0],my_sernum[1]); +	setenv("serial#",tmp); + +	sprintf(tmp,"%02x:%02x:%02x:%02x:%02x:%02x" +				,e[0],e[1],e[2],e[3],e[4],e[5]); +	setenv("ethaddr",tmp); +	return (0); +} + +void load_sernum_ethaddr (void) +{ +	DECLARE_GLOBAL_DATA_PTR; + +	int i; +	bd_t * bd = gd->bd; + +	for (i = 0; i < 8; i++) { +		bd->bi_sernum[i] = *(u_char *) (CFG_FLASH_SN_BASE + i); +	} +	bd->bi_enetaddr[0] = 0x10; +	bd->bi_enetaddr[1] = 0x20; +	bd->bi_enetaddr[2] = 0x30; +	bd->bi_enetaddr[3] = bd->bi_sernum[1] << 4 | bd->bi_sernum[2]; +	bd->bi_enetaddr[4] = bd->bi_sernum[5]; +	bd->bi_enetaddr[5] = bd->bi_sernum[6]; +} + diff --git a/board/pcippc2/fpga_serial.c b/board/pcippc2/fpga_serial.c new file mode 100644 index 000000000..579bfc702 --- /dev/null +++ b/board/pcippc2/fpga_serial.c @@ -0,0 +1,132 @@ +/* + * (C) Copyright 2002 + * 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 <config.h> +#include <common.h> +#include <asm/io.h> + +#include "fpga_serial.h" +#include "hardware.h" +#include "pcippc2.h" + +  /* 8 data, 1 stop, no parity +   */ +#define LCRVAL		0x03 +  /* RTS/DTR +   */ +#define MCRVAL		0x03 +  /* Clear & enable FIFOs +   */ +#define FCRVAL		0x07 + +static void fpga_serial_wait (void); +static void fpga_serial_print (char c); + +void fpga_serial_init (int baudrate) +{ +	int clock_divisor = 115200 / baudrate; + +	out8 (FPGA (INT, SERIAL_CONFIG), 0x24); +	iobarrier_rw (); + +	fpga_serial_wait (); + +	out8 (UART (IER), 0); +	out8 (UART (LCR), LCRVAL | 0x80); +	iobarrier_rw (); +	out8 (UART (DLL), clock_divisor & 0xff); +	out8 (UART (DLM), clock_divisor >> 8); +	iobarrier_rw (); +	out8 (UART (LCR), LCRVAL); +	iobarrier_rw (); +	out8 (UART (MCR), MCRVAL); +	out8 (UART (FCR), FCRVAL); +	iobarrier_rw (); +} + +void fpga_serial_putc (char c) +{ +	if (c) { +		fpga_serial_print (c); +	} +} + +void fpga_serial_puts (const char *s) +{ +	while (*s) { +		fpga_serial_print (*s++); +	} +} + +int fpga_serial_getc (void) +{ +	while ((in8 (UART (LSR)) & 0x01) == 0); + +	return in8 (UART (RBR)); +} + +int fpga_serial_tstc (void) +{ +	return (in8 (UART (LSR)) & 0x01) != 0; +} + +void fpga_serial_setbrg (void) +{ +	DECLARE_GLOBAL_DATA_PTR; + +	int clock_divisor = 115200 / gd->baudrate; + +	fpga_serial_wait (); + +	out8 (UART (LCR), LCRVAL | 0x80); +	iobarrier_rw (); +	out8 (UART (DLL), clock_divisor & 0xff); +	out8 (UART (DLM), clock_divisor >> 8); +	iobarrier_rw (); +	out8 (UART (LCR), LCRVAL); +	iobarrier_rw (); +} + +static void fpga_serial_wait (void) +{ +	while ((in8 (UART (LSR)) & 0x40) == 0); +} + +static void fpga_serial_print (char c) +{ +	if (c == '\n') { +		while ((in8 (UART (LSR)) & 0x20) == 0); + +		out8 (UART (THR), '\r'); +		iobarrier_rw (); +	} + +	while ((in8 (UART (LSR)) & 0x20) == 0); + +	out8 (UART (THR), c); +	iobarrier_rw (); + +	if (c == '\n') { +		fpga_serial_wait (); +	} +} diff --git a/board/pcippc2/fpga_serial.h b/board/pcippc2/fpga_serial.h new file mode 100644 index 000000000..92c9cdd33 --- /dev/null +++ b/board/pcippc2/fpga_serial.h @@ -0,0 +1,34 @@ +/* + * (C) Copyright 2002 + * 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 + */ + +#ifndef _FPGA_SERIAL_H_ +#define _FPGA_SERIAL_H_ + +extern void	fpga_serial_init	(int); +extern void	fpga_serial_putc 	(char); +extern void	fpga_serial_puts 	(const char *); +extern int	fpga_serial_getc 	(void); +extern int	fpga_serial_tstc 	(void); +extern void	fpga_serial_setbrg 	(void); + +#endif diff --git a/board/pcippc2/sconsole.c b/board/pcippc2/sconsole.c new file mode 100644 index 000000000..a9f2b2981 --- /dev/null +++ b/board/pcippc2/sconsole.c @@ -0,0 +1,141 @@ +/* + * (C) Copyright 2002 + * 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 <config.h> +#include <common.h> + +#include "sconsole.h" + +void	(*sconsole_putc) (char) = 0; +void	(*sconsole_puts) (const char *) = 0; +int	(*sconsole_getc) (void) = 0; +int	(*sconsole_tstc) (void) = 0; +void	(*sconsole_setbrg) (void) = 0; + +int serial_init (void) +{ +	DECLARE_GLOBAL_DATA_PTR; + +	sconsole_buffer_t *sb = SCONSOLE_BUFFER; + +	sb->pos  = 0; +	sb->size = 0; +	sb->baud = gd->baudrate; +	sb->max_size = CFG_SCONSOLE_SIZE - sizeof (sconsole_buffer_t); + +	return (0); +} + +void serial_putc (char c) +{ +	if (sconsole_putc) { +		(*sconsole_putc) (c); +	} else { +		sconsole_buffer_t *sb = SCONSOLE_BUFFER; + +		if (c) { +			sb->data[sb->pos++] = c; +			if (sb->pos == sb->max_size) { +				sb->pos = 0; +			} +			if (sb->size < sb->max_size) { +				sb->size++; +			} +		} +	} +} + +void serial_puts (const char *s) +{ +	if (sconsole_puts) { +		(*sconsole_puts) (s); +	} else { +		sconsole_buffer_t *sb = SCONSOLE_BUFFER; + +		while (*s) { +			sb->data[sb->pos++] = *s++; +			if (sb->pos == sb->max_size) { +				sb->pos = 0; +			} +			if (sb->size < sb->max_size) { +				sb->size++; +			} +		} +	} +} + +int serial_getc (void) +{ +	if (sconsole_getc) { +		return (*sconsole_getc) (); +	} else { +		return 0; +	} +} + +int serial_tstc (void) +{ +	if (sconsole_tstc) { +		return (*sconsole_tstc) (); +	} else { +		return 0; +	} +} + +void serial_setbrg (void) +{ +	DECLARE_GLOBAL_DATA_PTR; + +	if (sconsole_setbrg) { +		(*sconsole_setbrg) (); +	} else { +		sconsole_buffer_t *sb = SCONSOLE_BUFFER; + +		sb->baud = gd->baudrate; +	} +} + +int sconsole_get_baudrate (void) +{ +	sconsole_buffer_t *sb = SCONSOLE_BUFFER; + +	return sb->baud; +} + +void sconsole_flush (void) +{ +	if (sconsole_putc) { +		sconsole_buffer_t *sb = SCONSOLE_BUFFER; +		unsigned int end = sb->pos < sb->size +				? sb->pos + sb->max_size - sb->size +				: sb->pos - sb->size; + +		while (sb->size) { +			(*sconsole_putc) (sb->data[end++]); +			if (end == sb->max_size) { +				end = 0; +			} +			sb->size--; +		} +	} +} diff --git a/board/pcippc2/sconsole.h b/board/pcippc2/sconsole.h new file mode 100644 index 000000000..40fd75b81 --- /dev/null +++ b/board/pcippc2/sconsole.h @@ -0,0 +1,49 @@ +/* + * (C) Copyright 2002 + * 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 + */ + +#ifndef _SCONSOLE_H_ +#define _SCONSOLE_H_ + +#include <config.h> + +typedef struct sconsole_buffer_s +{ +  unsigned long		size; +  unsigned long		max_size; +  unsigned long 	pos; +  unsigned long 	baud; +  char			data [1]; +} sconsole_buffer_t; + +#define SCONSOLE_BUFFER		((sconsole_buffer_t *) CFG_SCONSOLE_ADDR) + +extern void	(* sconsole_putc) 	(char); +extern void	(* sconsole_puts) 	(const char *); +extern int	(* sconsole_getc) 	(void); +extern int	(* sconsole_tstc) 	(void); +extern void	(* sconsole_setbrg) 	(void); + +extern void	sconsole_flush		(void); +extern int 	sconsole_get_baudrate 	(void); + +#endif diff --git a/board/pm826/pm826.c b/board/pm826/pm826.c new file mode 100644 index 000000000..c59b02840 --- /dev/null +++ b/board/pm826/pm826.c @@ -0,0 +1,344 @@ +/* + * (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 <ioports.h> +#include <mpc8260.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 */ {   1,   1,   1,   0,   0,   0   }, /* FCC1 COL */ +	/* PA30 */ {   1,   1,   1,   0,   0,   0   }, /* FCC1 CRS */ +	/* PA29 */ {   1,   1,   1,   1,   0,   0   }, /* FCC1 TXER */ +	/* PA28 */ {   1,   1,   1,   1,   0,   0   }, /* FCC1 TXEN */ +	/* PA27 */ {   1,   1,   1,   0,   0,   0   }, /* FCC1 RXDV */ +	/* PA26 */ {   1,   1,   1,   0,   0,   0   }, /* FCC1 RXER */ +	/* PA25 */ {   0,   0,   0,   1,   0,   0   }, /* PA25 */ +	/* PA24 */ {   0,   0,   0,   1,   0,   0   }, /* PA24 */ +	/* PA23 */ {   0,   0,   0,   1,   0,   0   }, /* PA23 */ +	/* PA22 */ {   0,   0,   0,   1,   0,   0   }, /* PA22 */ +	/* PA21 */ {   1,   1,   0,   1,   0,   0   }, /* FCC1 TXD3 */ +	/* PA20 */ {   1,   1,   0,   1,   0,   0   }, /* FCC1 TXD2 */ +	/* PA19 */ {   1,   1,   0,   1,   0,   0   }, /* FCC1 TXD1 */ +	/* PA18 */ {   1,   1,   0,   1,   0,   0   }, /* FCC1 TXD0 */ +	/* PA17 */ {   1,   1,   0,   0,   0,   0   }, /* FCC1 RXD0 */ +	/* PA16 */ {   1,   1,   0,   0,   0,   0   }, /* FCC1 RXD1*/ +	/* PA15 */ {   1,   1,   0,   0,   0,   0   }, /* FCC1 RXD2 */ +	/* PA14 */ {   1,   1,   0,   0,   0,   0   }, /* FCC1 RXD3 */ +	/* PA13 */ {   0,   0,   0,   1,   0,   0   }, /* PA13 */ +	/* PA12 */ {   0,   0,   0,   1,   0,   0   }, /* PA12 */ +	/* PA11 */ {   0,   0,   0,   1,   0,   0   }, /* PA11 */ +	/* PA10 */ {   0,   0,   0,   1,   0,   0   }, /* PA10 */ +	/* PA9  */ {   0,   1,   0,   1,   0,   0   }, /* PA9 */ +	/* PA8  */ {   0,   1,   0,   0,   0,   0   }, /* PA8 */ +	/* 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   }, /* PB31 */ +	/* PB30 */ {   0,   1,   0,   0,   0,   0   }, /* PB30 */ +	/* PB29 */ {   0,   1,   1,   1,   0,   0   }, /* PB29 */ +	/* PB28 */ {   1,   1,   1,   1,   0,   0   }, /* SCC1 TXD */ +	/* PB27 */ {   0,   1,   0,   0,   0,   0   }, /* PB27 */ +	/* PB26 */ {   0,   1,   0,   0,   0,   0   }, /* PB26 */ +	/* PB25 */ {   0,   1,   0,   1,   0,   0   }, /* PB25 */ +	/* PB24 */ {   0,   1,   0,   1,   0,   0   }, /* PB24 */ +	/* PB23 */ {   0,   1,   0,   1,   0,   0   }, /* PB23 */ +	/* PB22 */ {   0,   1,   0,   1,   0,   0   }, /* PB22 */ +	/* PB21 */ {   0,   1,   0,   0,   0,   0   }, /* PB21 */ +	/* PB20 */ {   0,   1,   0,   0,   0,   0   }, /* PB20 */ +	/* PB19 */ {   0,   1,   0,   0,   0,   0   }, /* PB19 */ +	/* PB18 */ {   0,   1,   0,   0,   0,   0   }, /* PB18 */ +	/* PB17 */ {   0,   0,   0,   0,   0,   0   }, /* PB17 */ +	/* PB16 */ {   0,   0,   0,   0,   0,   0   }, /* PB16 */ +	/* PB15 */ {   1,   1,   0,   0,   0,   0   }, /* SCC2 RXD */ +	/* PB14 */ {   1,   1,   0,   0,   0,   0   }, /* SCC3 RXD */ +	/* PB13 */ {   0,   0,   0,   0,   0,   0   }, /* PB13 */ +	/* PB12 */ {   0,   0,   0,   0,   0,   0   }, /* PB12 */ +	/* PB11 */ {   0,   0,   0,   0,   0,   0   }, /* PB11 */ +	/* PB10 */ {   0,   0,   0,   0,   0,   0   }, /* PB10 */ +	/* PB9  */ {   0,   0,   0,   0,   0,   0   }, /* PB9 */ +	/* PB8  */ {   1,   1,   1,   1,   0,   0   }, /* SCC3 TXD */ +	/* PB7  */ {   0,   0,   0,   0,   0,   0   }, /* PB7 */ +	/* PB6  */ {   0,   0,   0,   0,   0,   0   }, /* PB6 */ +	/* PB5  */ {   0,   0,   0,   0,   0,   0   }, /* PB5 */ +	/* PB4  */ {   0,   0,   0,   0,   0,   0   }, /* PB4 */ +	/* 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   }, /* SCC1 CTS */ +	/* PC28 */ {   0,   0,   0,   1,   0,   0   }, /* SCC2 CTS */ +	/* PC27 */ {   0,   0,   0,   1,   0,   0   }, /* PC27 */ +	/* 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   }, /* PC23 */ +	/* PC22 */ {   1,   1,   0,   0,   0,   0   }, /* FCC1 TXCK */ +	/* PC21 */ {   1,   1,   0,   0,   0,   0   }, /* FCC1 RXCK */ +	/* PC20 */ {   0,   1,   0,   0,   0,   0   }, /* PC20 */ +	/* PC19 */ {   0,   1,   0,   0,   0,   0   }, /* PC19 */ +	/* PC18 */ {   0,   1,   0,   0,   0,   0   }, /* PC18 */ +	/* PC17 */ {   0,   0,   0,   1,   0,   0   }, /* PC17 */ +	/* PC16 */ {   0,   0,   0,   1,   0,   0   }, /* PC16 */ +	/* PC15 */ {   1,   1,   0,   1,   0,   0   }, /* SMC2 TXD */ +	/* PC14 */ {   0,   1,   0,   0,   0,   0   }, /* SCC1 DCD */ +	/* PC13 */ {   0,   0,   0,   1,   0,   0   }, /* PC13 */ +	/* PC12 */ {   0,   0,   0,   1,   0,   0   }, /* SCC2 DCD */ +	/* PC11 */ {   0,   0,   0,   1,   0,   0   }, /* SCC3 CTS */ +	/* PC10 */ {   0,   0,   0,   1,   0,   0   }, /* SCC3 DCD */ +	/* PC9  */ {   0,   0,   0,   1,   0,   0   }, /* SCC4 CTS */ +	/* PC8  */ {   0,   0,   0,   1,   0,   0   }, /* SCC4 DCD */ +	/* 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   }, /* PC2 */ +	/* PC1  */ {   0,   0,   0,   1,   0,   0   }, /* PC1 */ +	/* PC0  */ {   0,   0,   0,   1,   0,   0   }, /* PC0 */ +    }, + +    /* Port D */ +    {   /*	      conf ppar psor pdir podr pdat */ +	/* PD31 */ {   1,   1,   0,   0,   0,   0   }, /* SCC1 RXD */ +	/* PD30 */ {   0,   1,   1,   1,   0,   0   }, /* PD30 */ +	/* PD29 */ {   0,   1,   0,   1,   0,   0   }, /* SCC1 RTS */ +	/* PD28 */ {   0,   0,   0,   1,   0,   0   }, /* PD28 */ +	/* PD27 */ {   0,   1,   0,   1,   0,   0   }, /* SCC2 RTS */ +	/* 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   }, /* SCC3 RTS */ +	/* PD22 */ {   1,   1,   0,   0,   0,   0   }, /* SCC4 RXD */ +	/* PD21 */ {   1,   1,   0,   1,   0,   0   }, /* SCC4 TXD */ +	/* PD20 */ {   0,   0,   1,   1,   0,   0   }, /* SCC4 RTS */ +	/* PD19 */ {   0,   0,   0,   1,   0,   0   }, /* PD19 */ +	/* PD18 */ {   0,   0,   0,   1,   0,   0   }, /* PD18 */ +	/* PD17 */ {   0,   1,   0,   0,   0,   0   }, /* PD17 */ +	/* PD16 */ {   0,   1,   0,   1,   0,   0   }, /* PD16 */ +#if defined(CONFIG_SOFT_I2C) +	/* PD15 */ {   1,   0,   0,   1,   1,   1   }, /* I2C SDA */ +	/* PD14 */ {   1,   0,   0,   1,   1,   1   }, /* I2C SCL */ +#else +#if defined(CONFIG_HARD_I2C) +	/* PD15 */ {   1,   1,   1,   0,   1,   0   }, /* I2C SDA */ +	/* PD14 */ {   1,   1,   1,   0,   1,   0   }, /* I2C SCL */ +#else /* normal I/O port pins */ +	/* PD15 */ {   0,   1,   1,   0,   1,   0   }, /* I2C SDA */ +	/* PD14 */ {   0,   1,   1,   0,   1,   0   }, /* I2C SCL */ +#endif +#endif +	/* 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  */ {   0,   1,   0,   1,   0,   0   }, /* PD9 */ +	/* PD8  */ {   0,   1,   0,   0,   0,   0   }, /* PD8 */ +	/* 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  */ {   1,   1,   1,   0,   0,   0   }, /* SMC2 RXD */ +	/* 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 */ +    } +}; + +/* ------------------------------------------------------------------------- */ + +/* Check Board Identity: + */ +int checkboard (void) +{ +	puts ("Board: PM826\n"); +	return 0; +} + +/* ------------------------------------------------------------------------- */ + + +/* Try SDRAM initialization with P/LSDMR=sdmr and ORx=orx + * + * This routine performs standard 8260 initialization sequence + * and calculates the available memory size. It may be called + * several times to try different SDRAM configurations on both + * 60x and local buses. + */ +static long int try_init (volatile memctl8260_t * memctl, ulong sdmr, +						  ulong orx, volatile uchar * base) +{ +	volatile uchar c = 0xff; +	volatile ulong cnt, val; +	volatile ulong *addr; +	volatile uint *sdmr_ptr; +	volatile uint *orx_ptr; +	int i; +	ulong save[32];				/* to make test non-destructive */ +	ulong maxsize; + +	/* 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 + (~orx | 0x7fff)) / 2; + +	sdmr_ptr = &memctl->memc_psdmr; +	orx_ptr = &memctl->memc_or2; + +	*orx_ptr = orx; + +	/* +	 * 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. +	 */ + +	*sdmr_ptr = sdmr | PSDMR_OP_PREA; +	*base = c; + +	*sdmr_ptr = sdmr | PSDMR_OP_CBRR; +	for (i = 0; i < 8; i++) +		*base = c; + +	*sdmr_ptr = sdmr | PSDMR_OP_MRW; +	*(base + CFG_MRS_OFFS) = c;	/* setting MR on address lines */ + +	*sdmr_ptr = sdmr | PSDMR_OP_NORM | PSDMR_RFEN; +	*base = c; + +	/* +	 * 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 +			 */ +			*orx_ptr = orx | ~(cnt * sizeof (long) - 1); +			return (cnt * sizeof (long)); +		} +	} +	return (maxsize); +} + + +long int initdram (int board_type) +{ +	volatile immap_t *immap = (immap_t *) CFG_IMMR; +	volatile memctl8260_t *memctl = &immap->im_memctl; + +#ifndef CFG_RAMBOOT +	ulong size8, size9; +#endif +	ulong psize = 32 * 1024 * 1024; + +	memctl->memc_psrt = CFG_PSRT; +	memctl->memc_mptpr = CFG_MPTPR; + +#ifndef CFG_RAMBOOT +	size8 = try_init (memctl, CFG_PSDMR_8COL, CFG_OR2_8COL, +					  (uchar *) CFG_SDRAM_BASE); +	size9 = try_init (memctl, CFG_PSDMR_9COL, CFG_OR2_9COL, +					  (uchar *) CFG_SDRAM_BASE); + +	if (size8 < size9) { +		psize = size9; +		printf ("(60x:9COL) "); +	} else { +		psize = try_init (memctl, CFG_PSDMR_8COL, CFG_OR2_8COL, +						  (uchar *) CFG_SDRAM_BASE); +		printf ("(60x:8COL) "); +	} +#endif +	return (psize); +} + +#if (CONFIG_COMMANDS & CFG_CMD_DOC) +extern void doc_probe (ulong physadr); +void doc_init (void) +{ +	doc_probe (CFG_DOC_BASE); +} +#endif diff --git a/board/siemens/IAD210/IAD210.c b/board/siemens/IAD210/IAD210.c new file mode 100644 index 000000000..489704633 --- /dev/null +++ b/board/siemens/IAD210/IAD210.c @@ -0,0 +1,318 @@ +/* + * (C) Copyright 2001 + * Paul Geerinckx + * + * 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 "atm.h" +#include <i2c.h> + +/* ------------------------------------------------------------------------- */ + +static long int dram_size (long int, long int *, long int); + +/* ------------------------------------------------------------------------- */ + +/* used PLD registers */ +#  define PLD_GCR1_REG (unsigned char *) (0x10000000 + 0) +#  define PLD_EXT_RES  (unsigned char *) (0x10000000 + 10) +#  define PLD_EXT_FETH (unsigned char *) (0x10000000 + 11) +#  define PLD_EXT_LED  (unsigned char *) (0x10000000 + 12) +#  define PLD_EXT_X21  (unsigned char *) (0x10000000 + 13) + +#define	_NOT_USED_	0xFFFFFFFF + +const uint sdram_table[] = +{ +	/* +	 * Single Read. (Offset 0 in UPMA RAM) +	 */ +	0xFE2DB004, 0xF0AA7004, 0xF0A5F400, 0xF3AFFC47, /* last */ +	_NOT_USED_, +	/* +	 * 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. +	 * +	 */ +		    0xFFFAF834, 0xFFE5B435, /* last */ +                                            _NOT_USED_, +	/* +	 * Burst Read. (Offset 8 in UPMA RAM) +	 */ +	0xFE2DB004, 0xF0AF7404, 0xF0AFFC00, 0xF0AFFC00, +	0xF0AFFC00, 0xF0AAF800, 0xF1A5E447, /* last */ +                                            _NOT_USED_, +	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, +	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, +	/* +	 * Single Write. (Offset 18 in UPMA RAM) +	 */ +	0xFE29B300, 0xF1A27304, 0xFFA5F747,  /* last */ +                                            _NOT_USED_, +	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, +	/* +	 * Burst Write. (Offset 20 in UPMA RAM) +	 */ +	0x1F0DFC04, 0xEEABBC00, 0x10A77C00, 0xF0AFFC00, +	0xF1AAF804, 0xFFA5F447, /* 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 UPMA RAM) +	 */ +	0xFFAC3884, 0xFFAC3404, 0xFFAFFC04, 0xFFAFFC84, +	0xFFAFFC07, /* last */ +		    _NOT_USED_, _NOT_USED_, _NOT_USED_, +	/* +	 * MRS sequence  (Offset 38 in UPMA RAM) +	 */ +	0xFFAAB834, 0xFFA57434, 0xFFAFFC05, /* last */ +                                            _NOT_USED_, +	/* +	 * Exception. (Offset 3c in UPMA RAM) +	 */ +	0xFFAFFC04, 0xFFAFFC05, /* last */ +		                _NOT_USED_, _NOT_USED_, +}; + +/* ------------------------------------------------------------------------- */ + + + +long int initdram (int board_type) +{ +    volatile immap_t     *immap  = (immap_t *)CFG_IMMR; +    volatile memctl8xx_t *memctl = &immap->im_memctl; +    volatile iop8xx_t      *iop    = &immap->im_ioport; +    volatile fec_t         *fecp   = &immap->im_cpm.cp_fec; +    long int size; + +    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; + +    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; + +    memctl->memc_mamr = CFG_MAMR & (~(MAMR_PTAE)); /* no refresh yet */ + +    udelay(200); + +    /* perform SDRAM initializsation sequence */ + +    memctl->memc_mcr  = 0x80004105;	/* SDRAM bank 0 */ +    udelay(1); +    memctl->memc_mcr  = 0x80004230;	/* SDRAM bank 0 - execute twice */ +    udelay(1); + +    memctl->memc_mcr  = 0x80004105;	/* SDRAM precharge */ +    udelay(1); +    memctl->memc_mcr  = 0x80004030;	/* SDRAM 16x autorefresh */ +    udelay(1); +    memctl->memc_mcr  = 0x80004138;	/* SDRAM upload parameters */ +    udelay(1); + +    memctl->memc_mamr |= MAMR_PTAE;	/* enable refresh */ + +    udelay (1000); + +    /* +     * Check Bank 0 Memory Size for re-configuration +     * +     */ +    size = dram_size (CFG_MAMR, (ulong *)SDRAM_BASE_PRELIM, SDRAM_MAX_SIZE); + +    udelay (1000); + + +    memctl->memc_mamr = CFG_MAMR; +    udelay (1000); + +    /* +     * Final mapping +     */ +    memctl->memc_or2 = ((-size) & 0xFFFF0000) | CFG_OR2_PRELIM; +    memctl->memc_br2 = ((CFG_SDRAM_BASE & BR_BA_MSK) | BR_MS_UPMA | BR_V); + +    udelay(10000); + +    /* prepare pin multiplexing for fast ethernet */ + +    atmLoad(); +    fecp->fec_ecntrl = 0x00000004;  /* rev D3 pinmux SET */ +    iop->iop_pdpar |= 0x0080; /* set pin as MII_clock */ + + +    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); +} + +/* + * Check Board Identity: + */ + +int checkboard (void) +{ +    return (0); +} + +void board_serial_init(void) +{ +  ;/* nothing to do here */ +} + +void board_ether_init(void) +{ +    volatile immap_t       *immap  = (immap_t *)CFG_IMMR; +    volatile iop8xx_t      *iop    = &immap->im_ioport; +    volatile fec_t         *fecp   = &immap->im_cpm.cp_fec; + +  atmLoad(); +  fecp->fec_ecntrl = 0x00000004;  /* rev D3 pinmux SET */ +  iop->iop_pdpar |= 0x0080; /* set pin as MII_clock */ +} + +int board_pre_init (void) +{ +    volatile immap_t       *immap  = (immap_t *)CFG_IMMR; +    volatile cpmtimer8xx_t *timers = &immap->im_cpmtimer; +    volatile memctl8xx_t   *memctl = &immap->im_memctl; +    volatile iop8xx_t      *iop    = &immap->im_ioport; + +  /* configure the LED timing output pins - port A pin 4 */ +    iop->iop_papar = 0x0800; +    iop->iop_padir = 0x0800; + +  /* start timer 2 for the 4hz LED blink rate */ +    timers->cpmt_tmr2 = 0xff2c;     /* 4hz for 64mhz */ +    timers->cpmt_trr2 = 0x000003d0; /* clk/16 , prescale=256 */ +    timers->cpmt_tgcr = 0x00000810; /* run timer 2 */ + +  /* chip select for PLD access */ +    memctl->memc_br6  = 0x10000401; +    memctl->memc_or6  = 0xFC000908; + +  /* PLD initial values ( set LEDs, remove reset on LXT) */ + +    *PLD_GCR1_REG = 0x06; +    *PLD_EXT_RES  = 0xC0; +    *PLD_EXT_FETH = 0x40; +    *PLD_EXT_LED  = 0xFF; +    *PLD_EXT_X21  = 0x04; +    return 0; +} + +void board_get_enetaddr (uchar *addr) +{ +    int i; +    volatile immap_t     *immap  = (immap_t *)CFG_IMMR; +    volatile cpm8xx_t	 *cpm    = &immap->im_cpm; +    unsigned int rccrtmp; + +    char default_mac_addr[] = {0x00, 0x08, 0x01, 0x02, 0x03, 0x04}; + +    for (i=0; i<6; i++) +      addr[i] = default_mac_addr[i]; + +    printf("There is an error in the i2c driver .. /n"); +    printf("You need to fix it first....../n"); + +    rccrtmp = cpm->cp_rccr; +    cpm->cp_rccr |= 0x0020; + +    i2c_reg_read(0xa0, 0); +    printf ("seep = '-%c-%c-%c-%c-%c-%c-'\n", +     i2c_reg_read(0xa0, 0), i2c_reg_read(0xa0, 0), i2c_reg_read(0xa0, 0), +     i2c_reg_read(0xa0, 0), i2c_reg_read(0xa0, 0), i2c_reg_read(0xa0, 0) ); + +    cpm->cp_rccr = rccrtmp; + + +} diff --git a/board/siemens/SCM/scm.c b/board/siemens/SCM/scm.c new file mode 100644 index 000000000..aa6181d8d --- /dev/null +++ b/board/siemens/SCM/scm.c @@ -0,0 +1,573 @@ +/* + * (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 <ioports.h> +#include <mpc8260.h> + +#include "scm.h" + +static void config_scoh_cs(void); +extern int  fpga_init(void); + +#if 0 +#define DEBUGF(fmt,args...)   printf (fmt ,##args) +#else +#define DEBUGF(fmt,args...) +#endif + +/* + * 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 */ {   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 */ {   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[0] */ +	/* PA16 */ {   1,   1,   0,   0,   0,   0   }, /* FCC1 MII RxD[1]*/ +	/* PA15 */ {   1,   1,   0,   0,   0,   0   }, /* FCC1 MII RxD[2] */ +	/* PA14 */ {   1,   1,   0,   0,   0,   0   }, /* FCC1 MII RxD[3] */ +	/* 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  */ {   1,   1,   1,   1,   0,   0   }, /* TDM_A1 L1TXD0 */ +	/* PA8  */ {   1,   1,   1,   0,   0,   0   }, /* TDM_A1 L1RXD0 */ +	/* PA7  */ {   1,   1,   1,   0,   0,   0   }, /* TDM_A1 L1TSYNC */ +	/* PA6  */ {   1,   1,   1,   0,   0,   0   }, /* TDM_A1 L1RSYNC */ +	/* PA5  */ {   1,   0,   0,   0,   0,   0   }, /* FIOX_FPGA_PR */ +	/* PA4  */ {   1,   0,   0,   0,   0,   0   }, /* DOHM_FPGA_PR */ +	/* PA3  */ {   1,   1,   0,   0,   0,   0   }, /* TDM RXCLK4 */ +	/* PA2  */ {   1,   1,   0,   0,   0,   0   }, /* TDM TXCLK4 */ +	/* PA1  */ {   0,   0,   0,   1,   0,   0   }, +	/* PA0  */ {   1,   0,   0,   0,   0,   0   }  /* BUSY */ +    }, + +    /* Port B configuration */ +    {   /*	      conf ppar psor pdir podr pdat */ +	/* PB31 */ {   1,   0,   0,   1,   0,   0   }, /* EQ_ALARM_MIN */ +	/* PB30 */ {   1,   0,   0,   1,   0,   0   }, /* EQ_ALARM_MAJ */ +	/* PB29 */ {   1,   0,   0,   1,   0,   0   }, /* COM_ALARM_MIN */ +	/* PB28 */ {   1,   0,   0,   1,   0,   0   }, /* COM_ALARM_MAJ */ +	/* PB27 */ {   0,   1,   0,   0,   0,   0   }, +	/* PB26 */ {   0,   1,   0,   0,   0,   0   }, +	/* PB25 */ {   1,   0,   0,   1,   0,   0   }, /* LED_GREEN_L */ +	/* PB24 */ {   1,   0,   0,   1,   0,   0   }, /* LED_RED_L */ +	/* PB23 */ {   1,   1,   1,   0,   0,   0   }, /* TDM_D2 L1TXD */ +	/* PB22 */ {   1,   1,   1,   0,   0,   0   }, /* TDM_D2 L1RXD */ +	/* PB21 */ {   1,   1,   1,   0,   0,   0   }, /* TDM_D2 L1TSYNC */ +	/* PB20 */ {   1,   1,   1,   0,   0,   0   }, /* TDM_D2 L1RSYNC */ +	/* PB19 */ {   1,   0,   0,   0,   0,   0   }, /* UID */ +	/* 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  */ {   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 configuration */ +    {   /*	      conf ppar psor pdir podr pdat */ +	/* PC31 */ {   1,   1,   0,   0,   0,   0   }, /* TDM RXCLK1 */ +	/* PC30 */ {   1,   1,   0,   0,   0,   0   }, /* TDM TXCLK1 */ +	/* PC29 */ {   1,   1,   0,   0,   0,   0   }, /* TDM RXCLK3 */ +	/* PC28 */ {   1,   1,   0,   0,   0,   0   }, /* TDM TXCLK3 */ +	/* PC27 */ {   1,   1,   0,   0,   0,   0   }, /* TDM RXCLK2 */ +	/* PC26 */ {   1,   1,   0,   0,   0,   0   }, /* TDM TXCLK2 */ +	/* PC25 */ {   0,   0,   0,   1,   0,   0   }, +	/* PC24 */ {   0,   0,   0,   1,   0,   0   }, +	/* PC23 */ {   0,   1,   0,   1,   0,   0   }, +	/* PC22 */ {   0,   1,   0,   0,   0,   0   }, +	/* PC21 */ {   1,   1,   0,   0,   0,   0   }, /* FCC1 MII TX_CLK */ +	/* PC20 */ {   1,   1,   0,   0,   0,   0   }, /* FCC1 MII RX_CLK */ +	/* PC19 */ {   0,   1,   0,   0,   0,   0   }, +	/* PC18 */ {   0,   1,   0,   0,   0,   0   }, +        /* PC17 */ {   1,   1,   0,   0,   0,   0   }, /* FCC3 MII RX_CLK */ +        /* PC16 */ {   1,   1,   0,   0,   0,   0   }, /* FCC3 MII TX_CLK */ +	/* PC15 */ {   0,   0,   0,   1,   0,   0   }, +	/* PC14 */ {   0,   1,   0,   0,   0,   0   }, +	/* PC13 */ {   0,   0,   0,   1,   0,   0   }, /* RES_PHY_L */ +	/* PC12 */ {   0,   0,   0,   1,   0,   0   }, +	/* PC11 */ {   0,   0,   0,   1,   0,   0   }, +	/* PC10 */ {   0,   0,   0,   1,   0,   0   }, +	/* PC9  */ {   0,   1,   1,   0,   0,   0   }, /* TDM_A2 L1TSYNC */ +	/* PC8  */ {   0,   0,   0,   0,   0,   0   }, /* FEP_RDY */ +	/* PC7  */ {   0,   0,   0,   0,   0,   0   }, +	/* PC6  */ {   0,   0,   0,   0,   0,   0   }, /* UC4_ALARM_L */ +	/* PC5  */ {   0,   0,   0,   0,   0,   0   }, /* UC3_ALARM_L */ +	/* PC4  */ {   0,   0,   0,   0,   0,   0   }, /* UC2_ALARM_L */ +	/* PC3  */ {   0,   0,   0,   1,   0,   0   }, /* RES_MISC_L */ +	/* PC2  */ {   0,   0,   0,   1,   0,   0   }, /* RES_OH_L */ +	/* PC1  */ {   0,   0,   0,   1,   0,   0   }, /* RES_DOHM_L */ +	/* PC0  */ {   0,   0,   0,   1,   0,   0   }, /* RES_FIOX_L */ +    }, + +    /* Port D configuration */ +    {   /*	      conf ppar psor pdir podr pdat */ +	/* PD31 */ {   1,   1,   0,   0,   0,   0   }, /* SCC1 EN RxD */ +	/* PD30 */ {   1,   1,   1,   1,   0,   0   }, /* SCC1 EN TxD */ +	/* PD29 */ {   0,   0,   0,   0,   0,   0   }, /* INIT_F */ +	/* PD28 */ {   0,   0,   0,   1,   0,   0   }, /* DONE_F */ +	/* PD27 */ {   0,   0,   0,   0,   0,   0   }, /* INIT_D */ +	/* PD26 */ {   0,   0,   0,   1,   0,   0   }, /* DONE_D */ +	/* PD25 */ {   0,   0,   0,   1,   0,   0   }, +	/* PD24 */ {   0,   0,   0,   1,   0,   0   }, +	/* PD23 */ {   0,   0,   0,   1,   0,   0   }, +	/* PD22 */ {   1,   1,   1,   0,   0,   0   }, /* TDM_A2 L1TXD */ +	/* PD21 */ {   1,   1,   1,   0,   0,   0   }, /* TDM_A2 L1RXD */ +	/* PD20 */ {   1,   1,   1,   0,   0,   0   }, /* TDM_A2 L1RSYNC */ +	/* PD19 */ {   1,   1,   1,   0,   0,   0   }, /* SPI SPISEL */ +	/* PD18 */ {   1,   1,   1,   0,   0,   0   }, /* SPI SPICLK */ +	/* PD17 */ {   1,   1,   1,   0,   0,   0   }, /* SPI SPIMOSI */ +	/* PD16 */ {   1,   1,   1,   0,   0,   0   }, /* SPI SPIMOSO */ +#if defined(CONFIG_SOFT_I2C) +	/* PD15 */ {   1,   0,   0,   1,   1,   1   }, /* I2C SDA */ +	/* PD14 */ {   1,   0,   0,   1,   1,   1   }, /* I2C SCL */ +#else +#if defined(CONFIG_HARD_I2C) +	/* PD15 */ {   1,   1,   1,   0,   1,   0   }, /* I2C SDA */ +	/* PD14 */ {   1,   1,   1,   0,   1,   0   }, /* I2C SCL */ +#else /* normal I/O port pins */ +	/* PD15 */ {   0,   1,   1,   0,   1,   0   }, /* I2C SDA */ +	/* PD14 */ {   0,   1,   1,   0,   1,   0   }, /* I2C SCL */ +#endif +#endif +	/* PD13 */ {   1,   1,   1,   0,   0,   0   }, /* TDM_B1 L1TXD */ +	/* PD12 */ {   1,   1,   1,   0,   0,   0   }, /* TDM_B1 L1RXD */ +	/* PD11 */ {   1,   1,   1,   0,   0,   0   }, /* TDM_B1 L1TSYNC */ +	/* PD10 */ {   1,   1,   1,   0,   0,   0   }, /* TDM_B1 L1RSYNC */ +	/* 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   }, +	/* PD6  */ {   0,   0,   0,   1,   0,   1   }, +	/* PD5  */ {   0,   0,   0,   1,   0,   0   }, /* PROG_F */ +	/* PD4  */ {   0,   0,   0,   1,   0,   0   }, /* PROG_D */ +	/* 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 */ +    } +}; + +/* ------------------------------------------------------------------------- */ + +/* Check Board Identity: + */ +int checkboard (void) +{ +	unsigned char str[64]; +	int i = getenv_r ("serial#", str, sizeof (str)); + +	puts ("Board: "); + +	if (!i || strncmp (str, "TQM8260", 7)) { +		puts ("### No HW ID - assuming TQM8260\n"); +		return (0); +	} + +	puts (str); +	putc ('\n'); + +	return 0; +} + +/* ------------------------------------------------------------------------- */ + +/* Try SDRAM initialization with P/LSDMR=sdmr and ORx=orx + * + * This routine performs standard 8260 initialization sequence + * and calculates the available memory size. It may be called + * several times to try different SDRAM configurations on both + * 60x and local buses. + */ +static long int try_init (volatile memctl8260_t * memctl, ulong sdmr, +						  ulong orx, volatile uchar * base) +{ +	volatile uchar c = 0xff; +	ulong cnt, val; +	volatile ulong *addr; +	volatile uint *sdmr_ptr; +	volatile uint *orx_ptr; +	int i; +	ulong save[32];				/* to make test non-destructive */ +	ulong maxsize; + +	/* 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 + (~orx | 0x7fff)) / 2; + +	/* Since CFG_SDRAM_BASE is always 0 (??), we assume that +	 * we are configuring CS1 if base != 0 +	 */ +	sdmr_ptr = base ? &memctl->memc_lsdmr : &memctl->memc_psdmr; +	orx_ptr = base ? &memctl->memc_or2 : &memctl->memc_or1; + +	*orx_ptr = orx; + +	/* +	 * 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. +	 */ + +	*sdmr_ptr = sdmr | PSDMR_OP_PREA; +	*base = c; + +	*sdmr_ptr = sdmr | PSDMR_OP_CBRR; +	for (i = 0; i < 8; i++) +		*base = c; + +	*sdmr_ptr = sdmr | PSDMR_OP_MRW; +	*(base + CFG_MRS_OFFS) = c;	/* setting MR on address lines */ + +	*sdmr_ptr = sdmr | PSDMR_OP_NORM | PSDMR_RFEN; +	*base = c; + +	/* +	 * 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 +			 */ +			*orx_ptr = orx | ~(cnt * sizeof (long) - 1); +			return (cnt * sizeof (long)); +		} +	} +	return (maxsize); +} + +/* + * Test Power-On-Reset. + */ +int power_on_reset (void) +{ +	DECLARE_GLOBAL_DATA_PTR; + +	/* Test Reset Status Register */ +	return gd->reset_status & RSR_CSRS ? 0 : 1; +} + +long int initdram (int board_type) +{ +	volatile immap_t *immap = (immap_t *) CFG_IMMR; +	volatile memctl8260_t *memctl = &immap->im_memctl; + +#ifndef CFG_RAMBOOT +	long size8, size9; +#endif +	long psize, lsize; + +	psize = 16 * 1024 * 1024; +	lsize = 0; + +	memctl->memc_psrt = CFG_PSRT; +	memctl->memc_mptpr = CFG_MPTPR; + +#if 0							/* Just for debugging */ +#define	prt_br_or(brX,orX) do {				\ +    ulong start =  memctl->memc_ ## brX & 0xFFFF8000;	\ +    ulong sizem = ~memctl->memc_ ## orX | 0x00007FFF;	\ +    printf ("\n"					\ +    	    #brX " 0x%08x  " #orX " 0x%08x "		\ +	    "==> 0x%08lx ... 0x%08lx = %ld MB\n",	\ +	memctl->memc_ ## brX, memctl->memc_ ## orX,	\ +	start, start+sizem, (sizem+1)>>20);		\ +    } while (0) +	prt_br_or (br0, or0); +	prt_br_or (br1, or1); +	prt_br_or (br2, or2); +	prt_br_or (br3, or3); +#endif + +#ifndef CFG_RAMBOOT +	/* 60x SDRAM setup: +	 */ +	size8 = try_init (memctl, CFG_PSDMR_8COL, CFG_OR1_8COL, +					  (uchar *) CFG_SDRAM_BASE); +	size9 = try_init (memctl, CFG_PSDMR_9COL, CFG_OR1_9COL, +					  (uchar *) CFG_SDRAM_BASE); + +	if (size8 < size9) { +		psize = size9; +		printf ("(60x:9COL - %ld MB, ", psize >> 20); +	} else { +		psize = try_init (memctl, CFG_PSDMR_8COL, CFG_OR1_8COL, +						  (uchar *) CFG_SDRAM_BASE); +		printf ("(60x:8COL - %ld MB, ", psize >> 20); +	} + +	/* Local SDRAM setup: +	 */ +#ifdef CFG_INIT_LOCAL_SDRAM +	memctl->memc_lsrt = CFG_LSRT; +	size8 = try_init (memctl, CFG_LSDMR_8COL, CFG_OR2_8COL, +					  (uchar *) SDRAM_BASE2_PRELIM); +	size9 = try_init (memctl, CFG_LSDMR_9COL, CFG_OR2_9COL, +					  (uchar *) SDRAM_BASE2_PRELIM); + +	if (size8 < size9) { +		lsize = size9; +		printf ("Local:9COL - %ld MB) using ", lsize >> 20); +	} else { +		lsize = try_init (memctl, CFG_LSDMR_8COL, CFG_OR2_8COL, +						  (uchar *) SDRAM_BASE2_PRELIM); +		printf ("Local:8COL - %ld MB) using ", lsize >> 20); +	} + +#if 0 +	/* Set up BR2 so that the local SDRAM goes +	 * right after the 60x SDRAM +	 */ +	memctl->memc_br2 = (CFG_BR2_PRELIM & ~BRx_BA_MSK) | +			(CFG_SDRAM_BASE + psize); +#endif +#endif /* CFG_INIT_LOCAL_SDRAM */ +#endif /* CFG_RAMBOOT */ + +	icache_enable (); + +	config_scoh_cs (); + +	return (psize); +} + +/* ------------------------------------------------------------------------- */ + +static void config_scoh_cs (void) +{ +	volatile immap_t *immr = (immap_t *) CFG_IMMR; +	volatile memctl8260_t *memctl = &immr->im_memctl; +	volatile can_reg_t *can = (volatile can_reg_t *) CFG_CAN0_BASE; +	volatile uint tmp, i; + +	/* Initialize OR3 / BR3 for CAN Bus Controller 0 */ +	memctl->memc_or3 = CFG_CAN0_OR3; +	memctl->memc_br3 = CFG_CAN0_BR3; +	/* Initialize OR4 / BR4 for CAN Bus Controller 1 */ +	memctl->memc_or4 = CFG_CAN1_OR4; +	memctl->memc_br4 = CFG_CAN1_BR4; + +	/* Initialize MAMR to write in the array at address 0x0 */ +	memctl->memc_mamr = 0x00 | MxMR_OP_WARR | MxMR_GPL_x4DIS; + +	/* Initialize UPMA for CAN: single read */ +	memctl->memc_mdr = 0xcffeec00; +	udelay (1);					/* Necessary to have the data correct in the UPM array!!!! */ +	/* The read on the CAN controller write the data of mdr in UPMA array. */ +	/* The index to the array will be incremented automatically +	   through this read */ +	tmp = can->cpu_interface; + +	memctl->memc_mdr = 0x0ffcec00; +	udelay (1); +	tmp = can->cpu_interface; + +	memctl->memc_mdr = 0x0ffcec00; +	udelay (1); +	tmp = can->cpu_interface; + +	memctl->memc_mdr = 0x0ffcec00; +	udelay (1); +	tmp = can->cpu_interface; + +	memctl->memc_mdr = 0x0ffcec00; +	udelay (1); +	tmp = can->cpu_interface; + +	memctl->memc_mdr = 0x0ffcfc00; +	udelay (1); +	tmp = can->cpu_interface; + +	memctl->memc_mdr = 0x0ffcfc00; +	udelay (1); +	tmp = can->cpu_interface; + +	memctl->memc_mdr = 0xfffdec07; +	udelay (1); +	tmp = can->cpu_interface; + + +	/* Initialize MAMR to write in the array at address 0x18 */ +	memctl->memc_mamr = 0x18 | MxMR_OP_WARR | MxMR_GPL_x4DIS; + +	/* Initialize UPMA for CAN: single write */ +	memctl->memc_mdr = 0xfcffec00; +	udelay (1); +	tmp = can->cpu_interface; + +	memctl->memc_mdr = 0x00ffec00; +	udelay (1); +	tmp = can->cpu_interface; + +	memctl->memc_mdr = 0x00ffec00; +	udelay (1); +	tmp = can->cpu_interface; + +	memctl->memc_mdr = 0x00ffec00; +	udelay (1); +	tmp = can->cpu_interface; + +	memctl->memc_mdr = 0x00ffec00; +	udelay (1); +	tmp = can->cpu_interface; + +	memctl->memc_mdr = 0x00fffc00; +	udelay (1); +	tmp = can->cpu_interface; + +	memctl->memc_mdr = 0x00fffc00; +	udelay (1); +	tmp = can->cpu_interface; + +	memctl->memc_mdr = 0x30ffec07; +	udelay (1); +	tmp = can->cpu_interface; + +	/* Initialize MAMR */ +	memctl->memc_mamr = MxMR_GPL_x4DIS;	/* GPL_B4 ouput line Disable */ + + +	/* Initialize OR5 / BR5 for the extended EEPROM Bank0 */ +	memctl->memc_or5 = CFG_EXTPROM_OR5; +	memctl->memc_br5 = CFG_EXTPROM_BR5; +	/* Initialize OR6 / BR6 for the extended EEPROM Bank1 */ +	memctl->memc_or6 = CFG_EXTPROM_OR6; +	memctl->memc_br6 = CFG_EXTPROM_BR6; + +	/* Initialize OR7 / BR7 for the Glue Logic */ +	memctl->memc_or7 = CFG_FIOX_OR7; +	memctl->memc_br7 = CFG_FIOX_BR7; + +	/* Initialize OR8 / BR8 for the DOH Logic */ +	memctl->memc_or8 = CFG_FDOHM_OR8; +	memctl->memc_br8 = CFG_FDOHM_BR8; + +	DEBUGF ("OR0 %08x   BR0 %08x\n", memctl->memc_or0, memctl->memc_br0); +	DEBUGF ("OR1 %08x   BR1 %08x\n", memctl->memc_or1, memctl->memc_br1); +	DEBUGF ("OR2 %08x   BR2 %08x\n", memctl->memc_or2, memctl->memc_br2); +	DEBUGF ("OR3 %08x   BR3 %08x\n", memctl->memc_or3, memctl->memc_br3); +	DEBUGF ("OR4 %08x   BR4 %08x\n", memctl->memc_or4, memctl->memc_br4); +	DEBUGF ("OR5 %08x   BR5 %08x\n", memctl->memc_or5, memctl->memc_br5); +	DEBUGF ("OR6 %08x   BR6 %08x\n", memctl->memc_or6, memctl->memc_br6); +	DEBUGF ("OR7 %08x   BR7 %08x\n", memctl->memc_or7, memctl->memc_br7); +	DEBUGF ("OR8 %08x   BR8 %08x\n", memctl->memc_or8, memctl->memc_br8); + +	DEBUGF ("UPMA  addr 0x0\n"); +	memctl->memc_mamr = 0x00 | MxMR_OP_RARR | MxMR_GPL_x4DIS; +	for (i = 0; i < 0x8; i++) { +		tmp = can->cpu_interface; +		udelay (1); +		DEBUGF (" %08x ", memctl->memc_mdr); +	} +	DEBUGF ("\nUPMA  addr 0x18\n"); +	memctl->memc_mamr = 0x18 | MxMR_OP_RARR | MxMR_GPL_x4DIS; +	for (i = 0; i < 0x8; i++) { +		tmp = can->cpu_interface; +		udelay (1); +		DEBUGF (" %08x ", memctl->memc_mdr); +	} +	DEBUGF ("\n"); +	memctl->memc_mamr = MxMR_GPL_x4DIS; +} + +/* ------------------------------------------------------------------------- */ + +int misc_init_r (void) +{ +	fpga_init (); +	return (0); +} + +/* ------------------------------------------------------------------------- */ diff --git a/board/siemens/pcu_e/pcu_e.c b/board/siemens/pcu_e/pcu_e.c new file mode 100644 index 000000000..6c0b5eba7 --- /dev/null +++ b/board/siemens/pcu_e/pcu_e.c @@ -0,0 +1,589 @@ +/* + * (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> +#include <commproc.h> +#include <i2c.h> +#include <command.h> +#include <cmd_bsp.h> + +/* ------------------------------------------------------------------------- */ + +static long int dram_size (long int, long int *, long int); +static void puma_status (void); +static void puma_set_mode (int mode); +static int  puma_init_done (void); +static void puma_load (ulong addr, ulong len); + +/* ------------------------------------------------------------------------- */ + +#define	_NOT_USED_	0xFFFFFFFF + +/* + * 50 MHz SDRAM access using UPM A + */ +const uint sdram_table[] = +{ +	/* +	 * Single Read. (Offset 0 in UPM RAM) +	 */ +	0x1f0dfc04, 0xeeafbc04, 0x11af7c04, 0xefbeec00, +	0x1ffddc47, /* last */ +	/* +	 * 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. +	 * +	 */ +		    0x1ffddc35, 0xefceac34, 0x1f3d5c35, /* last */ +	/* +	 * Burst Read. (Offset 8 in UPM RAM) +	 */ +	0x1f0dfc04, 0xeeafbc04, 0x10af7c04, 0xf0affc00, +	0xf0affc00, 0xf1affc00, 0xefbeec00, 0x1ffddc47, /* last */ +	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, +	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, + +	/* +	 * Single Write. (Offset 18 in UPM RAM) +	 */ +	0x1f0dfc04, 0xeeafac00, 0x01be4c04, 0x1ffddc47, /* last */ +	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, +	/* +	 * Burst Write. (Offset 20 in UPM RAM) +	 */ +	0x1f0dfc04, 0xeeafac00, 0x10af5c00, 0xf0affc00, +	0xf0affc00, 0xe1beec04, 0x1ffddc47, /* last */ +					    _NOT_USED_, +	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, +	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, +	/* +	 * Refresh  (Offset 30 in UPM RAM) +	 */ +	0x1ffd7c84, 0xfffffc04, 0xfffffc04, 0xfffffc04, +	0xfffffc84, 0xfffffc07, /* last */ +				_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_, +}; + +/* ------------------------------------------------------------------------- */ + +/* + * PUMA access using UPM B + */ +const uint puma_table[] = +{ +	/* +	 * Single Read. (Offset 0 in UPM RAM) +	 */ +	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, +	_NOT_USED_, +	/* +	 * Precharge and MRS +	 */ +		    _NOT_USED_, _NOT_USED_, _NOT_USED_, +	/* +	 * Burst Read. (Offset 8 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 18 in UPM RAM) +	 */ +	0x0ffff804, 0x0ffff400, 0x3ffffc47, /* last */ +					    _NOT_USED_, +	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, +	/* +	 * Burst Write. (Offset 20 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 30 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 3c in UPM RAM) +	 */ +	0x7ffffc07, /* last */ +		    _NOT_USED_, _NOT_USED_, _NOT_USED_, +}; + +/* ------------------------------------------------------------------------- */ + + +/* + * Check Board Identity: + * + */ + +int checkboard (void) +{ +	puts ("Board: Siemens PCU E\n"); +	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, reg; +    int i; + +    /* +     * Configure UPMA for SDRAM +     */ +    upmconfig(UPMA, (uint *)sdram_table, sizeof(sdram_table)/sizeof(uint)); + +    memctl->memc_mptpr = CFG_MPTPR; + +    /* burst length=4, burst type=sequential, CAS latency=2 */ +    memctl->memc_mar = 0x00000088; + +    /* +     * Map controller bank 2 to the SDRAM bank at preliminary address. +     */ +#if PCU_E_WITH_SWAPPED_CS	/* XXX */ +    memctl->memc_or5 = CFG_OR5_PRELIM; +    memctl->memc_br5 = CFG_BR5_PRELIM; +#else	/* XXX */ +    memctl->memc_or2 = CFG_OR2_PRELIM; +    memctl->memc_br2 = CFG_BR2_PRELIM; +#endif	/* XXX */ + +    /* initialize memory address register */ +    memctl->memc_mamr = CFG_MAMR;	/* refresh not enabled yet */ + +    /* mode initialization (offset 5) */ +#if PCU_E_WITH_SWAPPED_CS	/* XXX */ +    udelay(200);	/* 0x8000A105 */ +    memctl->memc_mcr = MCR_OP_RUN | MCR_MB_CS5 | MCR_MLCF(1) | MCR_MAD(0x05); +#else	/* XXX */ +    udelay(200);	/* 0x80004105 */ +    memctl->memc_mcr = MCR_OP_RUN | MCR_MB_CS2 | MCR_MLCF(1) | MCR_MAD(0x05); +#endif	/* XXX */ + +    /* run 2 refresh sequence with 4-beat refresh burst (offset 0x30) */ +#if PCU_E_WITH_SWAPPED_CS	/* XXX */ +    udelay(1);		/* 0x8000A830 */ +    memctl->memc_mcr = MCR_OP_RUN | MCR_MB_CS5 | MCR_MLCF(8) | MCR_MAD(0x30); +#else	/* XXX */ +    udelay(1);		/* 0x80004830 */ +    memctl->memc_mcr = MCR_OP_RUN | MCR_MB_CS2 | MCR_MLCF(8) | MCR_MAD(0x30); +#endif	/* XXX */ + +#if PCU_E_WITH_SWAPPED_CS	/* XXX */ +    udelay(1);		/* 0x8000A106 */ +    memctl->memc_mcr = MCR_OP_RUN | MCR_MB_CS5 | MCR_MLCF(1) | MCR_MAD(0x06); +#else	/* XXX */ +    udelay(1);		/* 0x80004106 */ +    memctl->memc_mcr = MCR_OP_RUN | MCR_MB_CS2 | MCR_MLCF(1) | MCR_MAD(0x06); +#endif	/* XXX */ + +    reg  =  memctl->memc_mamr; +    reg &= ~MAMR_TLFB_MSK;		/* switch timer loop ... */ +    reg |=  MAMR_TLFB_4X;		/* ... to 4x */ +    reg |=  MAMR_PTBE;			/* enable refresh */ +    memctl->memc_mamr = reg; + +    udelay(200); + +    /* Need at least 10 DRAM accesses to stabilize */ +    for (i=0; i<10; ++i) { +#if PCU_E_WITH_SWAPPED_CS	/* XXX */ +	volatile unsigned long *addr = (volatile unsigned long *)SDRAM_BASE5_PRELIM; +#else	/* XXX */ +	volatile unsigned long *addr = (volatile unsigned long *)SDRAM_BASE2_PRELIM; +#endif	/* XXX */ +	unsigned long val; + +	val = *(addr + i); +	*(addr + i) = val; +    } + +    /* +     * Check Bank 0 Memory Size for re-configuration +     */ +#if PCU_E_WITH_SWAPPED_CS	/* XXX */ +    size_b0 = dram_size (CFG_MAMR, (ulong *)SDRAM_BASE5_PRELIM, SDRAM_MAX_SIZE); +#else	/* XXX */ +    size_b0 = dram_size (CFG_MAMR, (ulong *)SDRAM_BASE2_PRELIM, SDRAM_MAX_SIZE); +#endif	/* XXX */ + +    memctl->memc_mamr = CFG_MAMR | MAMR_PTBE; + +    /* +     * Final mapping: +     */ + +#if PCU_E_WITH_SWAPPED_CS	/* XXX */ +    memctl->memc_or5 = ((-size_b0) & 0xFFFF0000) | SDRAM_TIMING; +    memctl->memc_br5 = (CFG_SDRAM_BASE & BR_BA_MSK) | BR_MS_UPMA | BR_V; +#else	/* XXX */ +    memctl->memc_or2 = ((-size_b0) & 0xFFFF0000) | SDRAM_TIMING; +    memctl->memc_br2 = (CFG_SDRAM_BASE & BR_BA_MSK) | BR_MS_UPMA | BR_V; +#endif	/* XXX */ +    udelay(1000); + +    /* +     * Configure UPMB for PUMA +     */ +    upmconfig(UPMB, (uint *)puma_table, sizeof(puma_table)/sizeof(uint)); + +    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_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); +} + +/* ------------------------------------------------------------------------- */ + +#if PCU_E_WITH_SWAPPED_CS /* XXX */ +#define	ETH_CFG_BITS	(CFG_PB_ETH_CFG1 | CFG_PB_ETH_CFG2  | CFG_PB_ETH_CFG3 ) +#else /* XXX */ +#define	ETH_CFG_BITS	(CFG_PB_ETH_MDDIS | CFG_PB_ETH_CFG1 | \ +			 CFG_PB_ETH_CFG2  | CFG_PB_ETH_CFG3 ) +#endif /* XXX */ + +#define ETH_ALL_BITS	(ETH_CFG_BITS | CFG_PB_ETH_POWERDOWN | CFG_PB_ETH_RESET) + +void	reset_phy(void) +{ +	immap_t *immr = (immap_t *)CFG_IMMR; +	ulong value; + +	/* Configure all needed port pins for GPIO */ +#if PCU_E_WITH_SWAPPED_CS /* XXX */ +# if CFG_ETH_MDDIS_VALUE +	immr->im_ioport.iop_padat |=   CFG_PA_ETH_MDDIS; +# else +	immr->im_ioport.iop_padat &= ~(CFG_PA_ETH_MDDIS);	/* Set low */ +# endif +	immr->im_ioport.iop_papar &= ~(CFG_PA_ETH_MDDIS);	/* GPIO */ +	immr->im_ioport.iop_paodr &= ~(CFG_PA_ETH_MDDIS);	/* active output */ +	immr->im_ioport.iop_padir |=   CFG_PA_ETH_MDDIS;	/* output */ +#endif /* XXX */ +	immr->im_cpm.cp_pbpar &= ~(ETH_ALL_BITS);	/* GPIO */ +	immr->im_cpm.cp_pbodr &= ~(ETH_ALL_BITS);	/* active output */ + +	value  = immr->im_cpm.cp_pbdat; + +	/* Assert Powerdown and Reset signals */ +	value |=  CFG_PB_ETH_POWERDOWN; +	value &= ~(CFG_PB_ETH_RESET); + +	/* PHY configuration includes MDDIS and CFG1 ... CFG3 */ +#if !PCU_E_WITH_SWAPPED_CS +# if CFG_ETH_MDDIS_VALUE +	value |=   CFG_PB_ETH_MDDIS; +# else +	value &= ~(CFG_PB_ETH_MDDIS); +# endif +#endif +#if CFG_ETH_CFG1_VALUE +	value |=   CFG_PB_ETH_CFG1; +#else +	value &= ~(CFG_PB_ETH_CFG1); +#endif +#if CFG_ETH_CFG2_VALUE +	value |=   CFG_PB_ETH_CFG2; +#else +	value &= ~(CFG_PB_ETH_CFG2); +#endif +#if CFG_ETH_CFG3_VALUE +	value |=   CFG_PB_ETH_CFG3; +#else +	value &= ~(CFG_PB_ETH_CFG3); +#endif + +	/* Drive output signals to initial state */ +	immr->im_cpm.cp_pbdat  = value; +	immr->im_cpm.cp_pbdir |= ETH_ALL_BITS; +	udelay (10000); + +	/* De-assert Ethernet Powerdown */ +	immr->im_cpm.cp_pbdat &= ~(CFG_PB_ETH_POWERDOWN); /* Enable PHY power */ +	udelay (10000); + +	/* de-assert RESET signal of PHY */ +	immr->im_cpm.cp_pbdat |=   CFG_PB_ETH_RESET; +	udelay (1000); +} + +/*----------------------------------------------------------------------- + * Board Special Commands: access functions for "PUMA" FPGA + */ +#if (CONFIG_COMMANDS & CFG_CMD_BSP) + +#define	PUMA_READ_MODE	0 +#define PUMA_LOAD_MODE	1 + +int do_puma (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) +{ +	ulong addr, len; + +	switch (argc) { +	case 2:			/* PUMA reset */ +		if (strncmp(argv[1], "stat", 4) == 0) {		/* Reset */ +			puma_status (); +			return 0; +		} +		break; +	case 4:			/* PUMA load addr len */ +		if (strcmp(argv[1],"load") != 0) +			break; + +		addr = simple_strtoul(argv[2], NULL, 16); +		len  = simple_strtoul(argv[3], NULL, 16); + +		printf ("PUMA load: addr %08lX len %ld (0x%lX):  ", +			addr, len, len); +		puma_load (addr, len); + +		return 0; +	default: +		break; +	} +	printf ("Usage:\n%s\n", cmdtp->usage); +	return 1; +} + +#endif	/* CFG_CMD_BSP */ + +/* . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . */ + +static void puma_set_mode (int mode) +{ +	volatile immap_t     *immr  = (immap_t *)CFG_IMMR; +	volatile memctl8xx_t *memctl = &immr->im_memctl; + +	/* disable PUMA in memory controller */ +#if PCU_E_WITH_SWAPPED_CS	/* XXX */ +    memctl->memc_br3 = 0; +#else	/* XXX */ +    memctl->memc_br4 = 0; +#endif	/* XXX */ + +	switch (mode) { +	case PUMA_READ_MODE: +#if PCU_E_WITH_SWAPPED_CS	/* XXX */ +		memctl->memc_or3 = PUMA_CONF_OR_READ; +		memctl->memc_br3 = PUMA_CONF_BR_READ; +#else	/* XXX */ +		memctl->memc_or4 = PUMA_CONF_OR_READ; +		memctl->memc_br4 = PUMA_CONF_BR_READ; +#endif	/* XXX */ +		break; +	case PUMA_LOAD_MODE: +#if PCU_E_WITH_SWAPPED_CS	/* XXX */ +		memctl->memc_or3 = PUMA_CONF_OR_LOAD; +		memctl->memc_br3 = PUMA_CONF_BR_LOAD; +#else	/* XXX */ +		memctl->memc_or4 = PUMA_CONF_OR_READ; +		memctl->memc_br4 = PUMA_CONF_BR_READ; +#endif	/* XXX */ +		break; +	} +} + +/* . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . */ + +#define	PUMA_INIT_TIMEOUT	1000	/* max. 1000 ms = 1 second */ + +static void puma_load (ulong addr, ulong len) +{ +	volatile immap_t *immr = (immap_t *)CFG_IMMR; +	volatile uchar *fpga_addr = (volatile uchar *)PUMA_CONF_BASE; /* XXX ??? */ +	uchar *data = (uchar *)addr; +	int i; + +	/* align length */ +	if (len & 1) +		++len; + +	/* Reset FPGA */ +	immr->im_ioport.iop_pcpar &= ~(CFG_PC_PUMA_INIT);	/* make input */ +	immr->im_ioport.iop_pcso  &= ~(CFG_PC_PUMA_INIT); +	immr->im_ioport.iop_pcdir &= ~(CFG_PC_PUMA_INIT); + +#if PCU_E_WITH_SWAPPED_CS /* XXX */ +	immr->im_cpm.cp_pbpar &= ~(CFG_PB_PUMA_PROG);		/* GPIO */ +	immr->im_cpm.cp_pbodr &= ~(CFG_PB_PUMA_PROG);		/* active output */ +	immr->im_cpm.cp_pbdat &= ~(CFG_PB_PUMA_PROG);		/* Set low */ +	immr->im_cpm.cp_pbdir |=   CFG_PB_PUMA_PROG;		/* output */ +#else +	immr->im_ioport.iop_papar &= ~(CFG_PA_PUMA_PROG);	/* GPIO */ +	immr->im_ioport.iop_padat &= ~(CFG_PA_PUMA_PROG);	/* Set low */ +	immr->im_ioport.iop_paodr &= ~(CFG_PA_PUMA_PROG);	/* active output */ +	immr->im_ioport.iop_padir |=   CFG_PA_PUMA_PROG;	/* output */ +#endif /* XXX */ +	udelay (100); + +#if PCU_E_WITH_SWAPPED_CS /* XXX */ +	immr->im_cpm.cp_pbdat |= CFG_PB_PUMA_PROG;		/* release reset */ +#else +	immr->im_ioport.iop_padat |= CFG_PA_PUMA_PROG;		/* release reset */ +#endif /* XXX */ + +	/* wait until INIT indicates completion of reset */ +	for (i=0; i<PUMA_INIT_TIMEOUT; ++i) { +		udelay (1000); +		if (immr->im_ioport.iop_pcdat & CFG_PC_PUMA_INIT) +			break; +	} +	if (i == PUMA_INIT_TIMEOUT) { +		printf ("*** PUMA init timeout ***\n"); +		return; +	} + +	puma_set_mode (PUMA_LOAD_MODE); + +	while (len--) +		*fpga_addr = *data++; + +	puma_set_mode (PUMA_READ_MODE); + +	puma_status (); +} + +/* . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . */ + +static void puma_status (void) +{ +	/* Check state */ +	printf ("PUMA initialization is %scomplete\n", +		puma_init_done() ? "" : "NOT "); +} + +/* . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . */ + +static int puma_init_done (void) +{ +	volatile immap_t *immr = (immap_t *)CFG_IMMR; + +	/* make sure pin is GPIO input */ +	immr->im_ioport.iop_pcpar &= ~(CFG_PC_PUMA_DONE); +	immr->im_ioport.iop_pcso  &= ~(CFG_PC_PUMA_DONE); +	immr->im_ioport.iop_pcdir &= ~(CFG_PC_PUMA_DONE); + +	return (immr->im_ioport.iop_pcdat & CFG_PC_PUMA_DONE) ? 1 : 0; +} + +/* ------------------------------------------------------------------------- */ + +int misc_init_r (void) +{ +	ulong addr = 0; +	ulong len  = 0; +	char *s; + +	printf ("PUMA:  "); +	if (puma_init_done()) { +		printf ("initialized\n"); +		return 0; +	} + +	if ((s = getenv("puma_addr")) != NULL) +		addr = simple_strtoul(s, NULL, 16); + +	if ((s = getenv("puma_len")) != NULL) +		len = simple_strtoul(s, NULL, 16); + +	if ((!addr) || (!len)) { +		printf ("net list undefined\n"); +		return 0; +	} + +	printf ("loading... "); + +	puma_load (addr, len); +	return (0); +} + +/* ------------------------------------------------------------------------- */ diff --git a/board/spd8xx/spd8xx.c b/board/spd8xx/spd8xx.c new file mode 100644 index 000000000..64288968a --- /dev/null +++ b/board/spd8xx/spd8xx.c @@ -0,0 +1,324 @@ +/* + * (C) Copyright 2000 + * 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> + +/* ------------------------------------------------------------------------- */ + +static long int dram_size (long int, long int *, long int); + +/* ------------------------------------------------------------------------- */ + +#define	_NOT_USED_	0xFFFFFFFF + +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_, +}; + + +const uint sdram_table[] = +{ +	/* +	 * Single Read. (Offset 0 in UPM RAM) +	 */ +	0x1F07FC04, 0xEEAEFC04, 0x11ADFC04, 0xEFBBBC00, +	0x1FF77C47, /* last */ +	/* +	 * 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) +	 */ +	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 UPM RAM) +	 */ +	0x1F27FC04, 0xEEAEBC00, 0x01B93C04, 0x1FF77C47, /* last */ +	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, +	/* +	 * Burst Write. (Offset 20 in UPM 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 UPM RAM) +	 */ +	0x1FF5FC84, 0xFFFFFC04, 0xFFFFFC04, 0xFFFFFC04, +	0xFFFFFC84, 0xFFFFFC07, /* last */ +				_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) +{ +	puts ("Board: SPD823TS\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; + +#if 0 +    /* +     * Map controller bank 2 to the SRAM bank at preliminary address. +     */ +    memctl->memc_or2 = CFG_OR2; +    memctl->memc_br2 = CFG_BR2; +#endif + +    /* +     * Map controller bank 4 to the PER8 bank. +     */ +    memctl->memc_or4 = CFG_OR4; +    memctl->memc_br4 = CFG_BR4; + +#if 0 +    /* Configure SHARC at UMA */ +    upmconfig(UPMA, (uint *)sharc_table, sizeof(sharc_table)/sizeof(uint)); +    /* Map controller bank 5 to the SHARC */ +    memctl->memc_or5 = CFG_OR5; +    memctl->memc_br5 = CFG_BR5; +#endif + +    memctl->memc_mamr = 0x00001000; + +    /* Configure SDRAM at UMB */ +    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; +    udelay(1); +    memctl->memc_mcr = 0x80806130; +    udelay(1); +    memctl->memc_mcr = 0x80806130; +    udelay(1); +    memctl->memc_mcr = 0x80806106; + +    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     *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_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; +	ushort sreg; + +	/* Configure extra port pins for NS DP83843 PHY */ +	immr->im_ioport.iop_papar &= ~(PA_ENET_MDC | PA_ENET_MDIO); + +	sreg  = immr->im_ioport.iop_padir; +	sreg |=   PA_ENET_MDC;		/* Mgmt. Data Clock is Output */ +	sreg &= ~(PA_ENET_MDIO);	/* Mgmt. Data I/O is bidirect. => Input */ +	immr->im_ioport.iop_padir = sreg; + +	immr->im_ioport.iop_padat &= ~(PA_ENET_MDC);	/* set MDC = 0 */ + +	/* +         * RESET in 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 &= ~(PC_ENET_RESET); +	immr->im_ioport.iop_pcdir |=   PC_ENET_RESET; +	/* assert RESET signal of PHY */ +	immr->im_ioport.iop_pcdat &= ~(PC_ENET_RESET); +	udelay (10); +	/* de-assert RESET signal of PHY */ +	immr->im_ioport.iop_pcdat |=   PC_ENET_RESET; +	udelay (10); +} + +/* ------------------------------------------------------------------------- */ + +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/tqm8260/tqm8260.c b/board/tqm8260/tqm8260.c new file mode 100644 index 000000000..19229b736 --- /dev/null +++ b/board/tqm8260/tqm8260.c @@ -0,0 +1,402 @@ +/* + * (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 <ioports.h> +#include <mpc8260.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   }, /* FCC1 *ATMTXEN */ +	/* PA30 */ {   0,   0,   0,   1,   0,   0   }, /* FCC1 ATMTCA   */ +	/* PA29 */ {   0,   0,   0,   1,   0,   0   }, /* FCC1 ATMTSOC  */ +	/* PA28 */ {   0,   0,   0,   1,   0,   0   }, /* FCC1 *ATMRXEN */ +	/* PA27 */ {   0,   0,   0,   1,   0,   0   }, /* FCC1 ATMRSOC */ +	/* PA26 */ {   0,   0,   0,   1,   0,   0   }, /* FCC1 ATMRCA */ +	/* PA25 */ {   0,   0,   0,   1,   0,   0   }, /* FCC1 ATMTXD[0] */ +	/* PA24 */ {   0,   0,   0,   1,   0,   0   }, /* FCC1 ATMTXD[1] */ +	/* PA23 */ {   0,   0,   0,   1,   0,   0   }, /* FCC1 ATMTXD[2] */ +	/* PA22 */ {   0,   0,   0,   1,   0,   0   }, /* FCC1 ATMTXD[3] */ +	/* PA21 */ {   0,   0,   0,   1,   0,   0   }, /* FCC1 ATMTXD[4] */ +	/* PA20 */ {   0,   0,   0,   1,   0,   0   }, /* FCC1 ATMTXD[5] */ +	/* PA19 */ {   0,   0,   0,   1,   0,   0   }, /* FCC1 ATMTXD[6] */ +	/* PA18 */ {   0,   0,   0,   1,   0,   0   }, /* FCC1 ATMTXD[7] */ +	/* PA17 */ {   0,   0,   0,   1,   0,   0   }, /* FCC1 ATMRXD[7] */ +	/* PA16 */ {   0,   0,   0,   1,   0,   0   }, /* FCC1 ATMRXD[6] */ +	/* PA15 */ {   0,   0,   0,   1,   0,   0   }, /* FCC1 ATMRXD[5] */ +	/* PA14 */ {   0,   0,   0,   1,   0,   0   }, /* FCC1 ATMRXD[4] */ +	/* PA13 */ {   0,   0,   0,   1,   0,   0   }, /* FCC1 ATMRXD[3] */ +	/* PA12 */ {   0,   0,   0,   1,   0,   0   }, /* FCC1 ATMRXD[2] */ +	/* PA11 */ {   0,   0,   0,   1,   0,   0   }, /* FCC1 ATMRXD[1] */ +	/* PA10 */ {   0,   0,   0,   1,   0,   0   }, /* FCC1 ATMRXD[0] */ +	/* PA9  */ {   1,   1,   0,   1,   0,   0   }, /* SMC2 TXD */ +	/* PA8  */ {   1,   1,   0,   0,   0,   0   }, /* SMC2 RXD */ +	/* 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 */ {   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 */ {   0,   0,   0,   0,   0,   0   }, /* PB17 */ +	/* PB16 */ {   0,   0,   0,   0,   0,   0   }, /* PB16 */ +	/* PB15 */ {   0,   0,   0,   0,   0,   0   }, /* PB15 */ +	/* PB14 */ {   0,   0,   0,   0,   0,   0   }, /* PB14 */ +	/* PB13 */ {   0,   0,   0,   0,   0,   0   }, /* PB13 */ +	/* PB12 */ {   0,   0,   0,   0,   0,   0   }, /* PB12 */ +	/* PB11 */ {   0,   0,   0,   0,   0,   0   }, /* PB11 */ +	/* PB10 */ {   0,   0,   0,   0,   0,   0   }, /* PB10 */ +	/* PB9  */ {   0,   0,   0,   0,   0,   0   }, /* PB9 */ +	/* PB8  */ {   0,   0,   0,   0,   0,   0   }, /* PB8 */ +	/* PB7  */ {   0,   0,   0,   0,   0,   0   }, /* PB7 */ +	/* PB6  */ {   0,   0,   0,   0,   0,   0   }, /* PB6 */ +	/* PB5  */ {   0,   0,   0,   0,   0,   0   }, /* PB5 */ +	/* PB4  */ {   0,   0,   0,   0,   0,   0   }, /* PB4 */ +	/* 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 */ {   1,   1,   1,   0,   0,   0   }, /* SCC1 EN *CLSN */ +	/* PC28 */ {   0,   0,   0,   1,   0,   0   }, /* PC28 */ +	/* PC27 */ {   0,   0,   0,   1,   0,   0   }, /* PC27 */ +	/* 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   }, /* ATMTFCLK */ +	/* PC22 */ {   0,   1,   0,   0,   0,   0   }, /* ATMRFCLK */ +	/* PC21 */ {   1,   1,   0,   0,   0,   0   }, /* SCC1 EN RXCLK */ +	/* PC20 */ {   1,   1,   0,   0,   0,   0   }, /* SCC1 EN TXCLK */ +	/* PC19 */ {   1,   1,   0,   0,   0,   0   }, /* FCC2 MII RX_CLK */ +	/* PC18 */ {   1,   1,   0,   0,   0,   0   }, /* FCC2 MII TX_CLK */ +	/* PC17 */ {   0,   0,   0,   1,   0,   0   }, /* PC17 */ +	/* PC16 */ {   0,   0,   0,   1,   0,   0   }, /* PC16 */ +	/* PC15 */ {   0,   0,   0,   1,   0,   0   }, /* PC15 */ +	/* PC14 */ {   1,   1,   0,   0,   0,   0   }, /* SCC1 EN *CD */ +	/* 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   }, /* FCC2 MDC */ +	/* PC9  */ {   0,   0,   0,   1,   0,   0   }, /* FCC2 MDIO */ +	/* 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   }, /* ENET FDE */ +	/* PC1  */ {   0,   0,   0,   1,   0,   0   }, /* ENET DSQE */ +	/* PC0  */ {   0,   0,   0,   1,   0,   0   }, /* ENET LBK */ +    }, + +    /* Port D */ +    {   /*	      conf ppar psor pdir podr pdat */ +	/* PD31 */ {   1,   1,   0,   0,   0,   0   }, /* SCC1 EN RxD */ +	/* PD30 */ {   1,   1,   1,   1,   0,   0   }, /* SCC1 EN TxD */ +	/* PD29 */ {   1,   1,   0,   1,   0,   0   }, /* SCC1 EN TENA */ +	/* 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   }, /* FCC1 ATMRXPRTY */ +	/* PD16 */ {   0,   1,   0,   1,   0,   0   }, /* FCC1 ATMTXPRTY */ +#if defined(CONFIG_SOFT_I2C) +	/* PD15 */ {   1,   0,   0,   1,   1,   1   }, /* I2C SDA */ +	/* PD14 */ {   1,   0,   0,   1,   1,   1   }, /* I2C SCL */ +#else +#if defined(CONFIG_HARD_I2C) +	/* PD15 */ {   1,   1,   1,   0,   1,   0   }, /* I2C SDA */ +	/* PD14 */ {   1,   1,   1,   0,   1,   0   }, /* I2C SCL */ +#else /* normal I/O port pins */ +	/* PD15 */ {   0,   1,   1,   0,   1,   0   }, /* I2C SDA */ +	/* PD14 */ {   0,   1,   1,   0,   1,   0   }, /* I2C SCL */ +#endif +#endif +	/* 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 */ +    } +}; + +/* ------------------------------------------------------------------------- */ + +/* Check Board Identity: + */ +int checkboard (void) +{ +	unsigned char str[64]; +	int i = getenv_r ("serial#", str, sizeof (str)); + +	puts ("Board: "); + +	if (!i || strncmp (str, "TQM8260", 7)) { +		puts ("### No HW ID - assuming TQM8260\n"); +		return (1); +	} + +	puts (str); +	putc ('\n'); + +	return 0; +} + +/* ------------------------------------------------------------------------- */ + +/* Try SDRAM initialization with P/LSDMR=sdmr and ORx=orx + * + * This routine performs standard 8260 initialization sequence + * and calculates the available memory size. It may be called + * several times to try different SDRAM configurations on both + * 60x and local buses. + */ +static long int try_init (volatile memctl8260_t * memctl, ulong sdmr, +						  ulong orx, volatile uchar * base) +{ +	volatile uchar c = 0xff; +	ulong cnt, val; +	volatile ulong *addr; +	volatile uint *sdmr_ptr; +	volatile uint *orx_ptr; +	int i; +	ulong save[32];				/* to make test non-destructive */ +	ulong maxsize; + +	/* 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 + (~orx | 0x7fff)) / 2; + +	/* Since CFG_SDRAM_BASE is always 0 (??), we assume that +	 * we are configuring CS1 if base != 0 +	 */ +	sdmr_ptr = base ? &memctl->memc_lsdmr : &memctl->memc_psdmr; +	orx_ptr = base ? &memctl->memc_or2 : &memctl->memc_or1; + +	*orx_ptr = orx; + +	/* +	 * 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. +	 */ + +	*sdmr_ptr = sdmr | PSDMR_OP_PREA; +	*base = c; + +	*sdmr_ptr = sdmr | PSDMR_OP_CBRR; +	for (i = 0; i < 8; i++) +		*base = c; + +	*sdmr_ptr = sdmr | PSDMR_OP_MRW; +	*(base + CFG_MRS_OFFS) = c;	/* setting MR on address lines */ + +	*sdmr_ptr = sdmr | PSDMR_OP_NORM | PSDMR_RFEN; +	*base = c; + +	/* +	 * 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 +			 */ +			*orx_ptr = orx | ~(cnt * sizeof (long) - 1); +			return (cnt * sizeof (long)); +		} +	} +	return (maxsize); +} + +long int initdram (int board_type) +{ +	volatile immap_t *immap = (immap_t *) CFG_IMMR; +	volatile memctl8260_t *memctl = &immap->im_memctl; + +#ifndef CFG_RAMBOOT +	long size8, size9; +#endif +	long psize, lsize; + +	psize = 16 * 1024 * 1024; +	lsize = 0; + +	memctl->memc_psrt = CFG_PSRT; +	memctl->memc_mptpr = CFG_MPTPR; + +#if 0							/* Just for debugging */ +#define	prt_br_or(brX,orX) do {				\ +    ulong start =  memctl->memc_ ## brX & 0xFFFF8000;	\ +    ulong sizem = ~memctl->memc_ ## orX | 0x00007FFF;	\ +    printf ("\n"					\ +    	    #brX " 0x%08x  " #orX " 0x%08x "		\ +	    "==> 0x%08lx ... 0x%08lx = %ld MB\n",	\ +	memctl->memc_ ## brX, memctl->memc_ ## orX,	\ +	start, start+sizem, (sizem+1)>>20);		\ +    } while (0) +	prt_br_or (br0, or0); +	prt_br_or (br1, or1); +	prt_br_or (br2, or2); +	prt_br_or (br3, or3); +#endif + +#ifndef CFG_RAMBOOT +	/* 60x SDRAM setup: +	 */ +	size8 = try_init (memctl, CFG_PSDMR_8COL, CFG_OR1_8COL, +					  (uchar *) CFG_SDRAM_BASE); +	size9 = try_init (memctl, CFG_PSDMR_9COL, CFG_OR1_9COL, +					  (uchar *) CFG_SDRAM_BASE); + +	if (size8 < size9) { +		psize = size9; +		printf ("(60x:9COL - %ld MB, ", psize >> 20); +	} else { +		psize = try_init (memctl, CFG_PSDMR_8COL, CFG_OR1_8COL, +						  (uchar *) CFG_SDRAM_BASE); +		printf ("(60x:8COL - %ld MB, ", psize >> 20); +	} + +	/* Local SDRAM setup: +	 */ +#ifdef CFG_INIT_LOCAL_SDRAM +	memctl->memc_lsrt = CFG_LSRT; +	size8 = try_init (memctl, CFG_LSDMR_8COL, CFG_OR2_8COL, +					  (uchar *) SDRAM_BASE2_PRELIM); +	size9 = try_init (memctl, CFG_LSDMR_9COL, CFG_OR2_9COL, +					  (uchar *) SDRAM_BASE2_PRELIM); + +	if (size8 < size9) { +		lsize = size9; +		printf ("Local:9COL - %ld MB) using ", lsize >> 20); +	} else { +		lsize = try_init (memctl, CFG_LSDMR_8COL, CFG_OR2_8COL, +						  (uchar *) SDRAM_BASE2_PRELIM); +		printf ("Local:8COL - %ld MB) using ", lsize >> 20); +	} + +#if 0 +	/* Set up BR2 so that the local SDRAM goes +	 * right after the 60x SDRAM +	 */ +	memctl->memc_br2 = (CFG_BR2_PRELIM & ~BRx_BA_MSK) | +			(CFG_SDRAM_BASE + psize); +#endif +#endif /* CFG_INIT_LOCAL_SDRAM */ +#endif /* CFG_RAMBOOT */ + +	icache_enable (); + +	return (psize); +} + +/* ------------------------------------------------------------------------- */ diff --git a/board/tqm8xx/tqm8xx.c b/board/tqm8xx/tqm8xx.c new file mode 100644 index 000000000..05004829b --- /dev/null +++ b/board/tqm8xx/tqm8xx.c @@ -0,0 +1,423 @@ +/* + * (C) Copyright 2000, 2001, 2002 + * 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); + +/* ------------------------------------------------------------------------- */ + +#define	_NOT_USED_	0xFFFFFFFF + +const uint sdram_table[] = +{ +	/* +	 * Single Read. (Offset 0 in UPMA RAM) +	 */ +	0x1F0DFC04, 0xEEAFBC04, 0x11AF7C04, 0xEFBAFC00, +	0x1FF5FC47, /* 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. +	 * +	 */ +		    0x1FF5FC34, 0xEFEABC34, 0x1FB57C35, /* last */ +	/* +	 * Burst Read. (Offset 8 in UPMA RAM) +	 */ +	0x1F0DFC04, 0xEEAFBC04, 0x10AF7C04, 0xF0AFFC00, +	0xF0AFFC00, 0xF1AFFC00, 0xEFBAFC00, 0x1FF5FC47, /* last */ +	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, +	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, +	/* +	 * Single Write. (Offset 18 in UPMA RAM) +	 */ +	0x1F0DFC04, 0xEEABBC00, 0x01B27C04, 0x1FF5FC47, /* last */ +	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, +	/* +	 * Burst Write. (Offset 20 in UPMA RAM) +	 */ +	0x1F0DFC04, 0xEEABBC00, 0x10A77C00, 0xF0AFFC00, +	0xF0AFFC00, 0xE1BAFC04, 0x1FF5FC47, /* 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) +	 */ +	0x1FFD7C84, 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 TQ ID string (TQM8xx...) + * If present, check for "L" type (no second DRAM bank), + * otherwise "L" type is assumed as default. + * + * Set board_type to 'L' for "L" type, 0 else. + */ + +int checkboard (void) +{ +	DECLARE_GLOBAL_DATA_PTR; + +	unsigned char *s = getenv ("serial#"); + +	puts ("Board: "); + +	if (!s || strncmp (s, "TQM8", 4)) { +		puts ("### No HW ID - assuming TQM8xxL\n"); +		return (0); +	} + +	if ((*(s + 6) == 'L')) {	/* a TQM8xxL type */ +		gd->board_type = 'L'; +	} + +	for (; *s; ++s) { +		if (*s == ' ') +			break; +		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 size8, size9; +	long int size_b0 = 0; +	long int size_b1 = 0; + +	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; + +	/* +	 * The following value is used as an address (i.e. opcode) for +	 * the LOAD MODE REGISTER COMMAND during SDRAM initialisation. If +	 * the port size is 32bit the SDRAM does NOT "see" the lower two +	 * address lines, i.e. mar=0x00000088 -> opcode=0x00000022 for +	 * MICRON SDRAMs: +	 * ->    0 00 010 0 010 +	 *       |  |   | |   +- Burst Length = 4 +	 *       |  |   | +----- Burst Type   = Sequential +	 *       |  |   +------- CAS Latency  = 2 +	 *       |  +----------- Operating Mode = Standard +	 *       +-------------- Write Burst Mode = Programmed Burst Length +	 */ +	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; + +#ifndef	CONFIG_CAN_DRIVER +	if (board_type != 'L') {	/* "L" type boards have only one bank SDRAM */ +		memctl->memc_or3 = CFG_OR3_PRELIM; +		memctl->memc_br3 = CFG_BR3_PRELIM; +	} +#endif							/* CONFIG_CAN_DRIVER */ + +	memctl->memc_mamr = CFG_MAMR_8COL & (~(MAMR_PTAE));	/* no refresh yet */ + +	udelay (200); + +	/* perform SDRAM initializsation sequence */ + +	memctl->memc_mcr = 0x80004105;	/* SDRAM bank 0 */ +	udelay (1); +	memctl->memc_mcr = 0x80004230;	/* SDRAM bank 0 - execute twice */ +	udelay (1); + +#ifndef	CONFIG_CAN_DRIVER +	if (board_type != 'L') {	/* "L" type boards have only one bank SDRAM */ +		memctl->memc_mcr = 0x80006105;	/* SDRAM bank 1 */ +		udelay (1); +		memctl->memc_mcr = 0x80006230;	/* SDRAM bank 1 - execute twice */ +		udelay (1); +	} +#endif							/* CONFIG_CAN_DRIVER */ + +	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);	*/ +	} + +#ifndef	CONFIG_CAN_DRIVER +	if (board_type != 'L') {	/* "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; +	} +#endif							/* CONFIG_CAN_DRIVER */ + +	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; +		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; + +#ifndef	CONFIG_CAN_DRIVER +			/* +			 * No bank 1 +			 * +			 * invalidate bank +			 */ +			memctl->memc_br3 = 0; +#endif							/* CONFIG_CAN_DRIVER */ + +			/* 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); + +#ifdef	CONFIG_CAN_DRIVER +	/* Initialize OR3 / BR3 */ +	memctl->memc_or3 = CFG_OR3_CAN; +	memctl->memc_br3 = CFG_BR3_CAN; + +	/* Initialize MBMR */ +	memctl->memc_mbmr = MAMR_GPL_B4DIS;	/* GPL_B4 ouput line Disable */ + +	/* Initialize UPMB for CAN: single read */ +	memctl->memc_mdr = 0xFFFFC004; +	memctl->memc_mcr = 0x0100 | UPMB; + +	memctl->memc_mdr = 0x0FFFD004; +	memctl->memc_mcr = 0x0101 | UPMB; + +	memctl->memc_mdr = 0x0FFFC000; +	memctl->memc_mcr = 0x0102 | UPMB; + +	memctl->memc_mdr = 0x3FFFC004; +	memctl->memc_mcr = 0x0103 | UPMB; + +	memctl->memc_mdr = 0xFFFFDC05; +	memctl->memc_mcr = 0x0104 | UPMB; + +	/* Initialize UPMB for CAN: single write */ +	memctl->memc_mdr = 0xFFFCC004; +	memctl->memc_mcr = 0x0118 | UPMB; + +	memctl->memc_mdr = 0xCFFCD004; +	memctl->memc_mcr = 0x0119 | UPMB; + +	memctl->memc_mdr = 0x0FFCC000; +	memctl->memc_mcr = 0x011A | UPMB; + +	memctl->memc_mdr = 0x7FFCC004; +	memctl->memc_mcr = 0x011B | UPMB; + +	memctl->memc_mdr = 0xFFFDCC05; +	memctl->memc_mcr = 0x011C | UPMB; +#endif							/* CONFIG_CAN_DRIVER */ + + +	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); +} + +/* ------------------------------------------------------------------------- */ diff --git a/board/w7o/cmd_vpd.c b/board/w7o/cmd_vpd.c new file mode 100644 index 000000000..302569917 --- /dev/null +++ b/board/w7o/cmd_vpd.c @@ -0,0 +1,60 @@ +/* + * (C) Copyright 2001 + * Erik Theisen, Wave 7 Optics, etheisen@mindspring.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 <command.h> + +#if (CONFIG_COMMANDS & CFG_CMD_BSP) + +#include "vpd.h" +#include "cmd_bsp.h" + +/* ====================================================================== + * Interpreter command to retrieve board specific Vital Product Data, "VPD" + * ====================================================================== + */ +int do_vpd (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) +{ +	VPD vpd;			/* Board specific data struct */ +	uchar dev_addr = CFG_DEF_EEPROM_ADDR; + +	/* Validate usage */ +	if (argc > 2) { +		printf ("Usage:\n%s\n", cmdtp->usage); +		return 1; +	} + +	/* Passed in EEPROM address */ +	if (argc == 2) +		dev_addr = (uchar) simple_strtoul (argv[1], NULL, 16); + +	/* Read VPD and output it */ +	if (!vpd_get_data (dev_addr, &vpd)) { +		vpd_print (&vpd); +		return 0; +	} + +	return 1; +} + +#endif /* (CONFIG_COMMANDS & CFG_CMD_BSP) */ diff --git a/board/walnut405/walnut405.c b/board/walnut405/walnut405.c new file mode 100644 index 000000000..93c203432 --- /dev/null +++ b/board/walnut405/walnut405.c @@ -0,0 +1,138 @@ +/* + * (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 + */ +long int spd_sdram (void); + +#include <common.h> +#include "walnut405.h" +#include <asm/processor.h> + + + +int board_pre_init (void) +{ +   /*-------------------------------------------------------------------------+ +   | Interrupt controller setup for the Walnut 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) FPGA; active high; level sensitive +   |       IRQ 26 (EXT IRQ 1) SMI; active high; level sensitive +   |       IRQ 27 (EXT IRQ 2) Not Used +   |       IRQ 28 (EXT IRQ 3) PCI SLOT 3; active low; level sensitive +   |       IRQ 29 (EXT IRQ 4) PCI SLOT 2; active low; level sensitive +   |       IRQ 30 (EXT IRQ 5) PCI SLOT 1; active low; level sensitive +   |       IRQ 31 (EXT IRQ 6) PCI SLOT 0; active low; level sensitive +   | Note for Walnut board: +   |       An interrupt taken for the FPGA (IRQ 25) indicates that either +   |       the Mouse, Keyboard, IRDA, or External Expansion caused the +   |       interrupt. The FPGA must be read to determine which device +   |       caused the interrupt. The default setting of the FPGA clears +   | +   +-------------------------------------------------------------------------*/ + +	mtdcr (uicsr, 0xFFFFFFFF);	/* clear all ints */ +	mtdcr (uicer, 0x00000000);	/* disable all ints */ +	mtdcr (uiccr, 0x00000020);	/* set all but FPGA SMI to be non-critical */ +	mtdcr (uicpr, 0xFFFFFFE0);	/* 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 */ + +#define mtebc(reg, data)  mtdcr(ebccfga,reg);mtdcr(ebccfgd,data) +	/* BAS=0xF00,BS=0x0(1MB),BU=0x3(R/W),BW=0x0( 8 bits) */ +	mtebc (pb1ap, 0x02815480); +	mtebc (pb1cr, 0xF0018000); + +	/* BAS=0xF01,BS=0x0(1MB),BU=0x3(R/W),BW=0x0(8 bits) */ +	mtebc (pb2ap, 0x04815A80); +	mtebc (pb2cr, 0xF0118000); + +	/* BAS=0xF02,BS=0x0(1MB),BU=0x3(R/W),BW=0x0( 8 bits) */ +	mtebc (pb3ap, 0x01815280); +	mtebc (pb3cr, 0xF0218000); + +	/* BAS=0xF03,BS=0x0(1MB),BU=0x3(R/W),BW=0x0(8 bits) */ +	mtebc (pb7ap, 0x01815280); +	mtebc (pb7cr, 0xF0318000); + +	/* set UART1 control to select CTS/RTS */ +#define FPGA_BRDC       0xF0300004 +	*(volatile char *) (FPGA_BRDC) |= 0x1; + +	return 0; +} + + +/* ------------------------------------------------------------------------- */ + +/* + * Check Board Identity: + */ + +int checkboard (void) +{ +	unsigned char *s = getenv ("serial#"); +	unsigned char *e; + +	puts ("Board: "); + +	if (!s || strncmp (s, "WALNUT405", 9)) { +		puts ("### No HW ID - assuming WALNUT405"); +	} 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) +{ +	long int ret; + +	ret = spd_sdram (); +	return ret; +} + +/* ------------------------------------------------------------------------- */ + +int testdram (void) +{ +	/* TODO: XXX XXX XXX */ +	printf ("test: xxx MB - ok\n"); + +	return (0); +} + +/* ------------------------------------------------------------------------- */ diff --git a/board/westel/amx860/amx860.c b/board/westel/amx860/amx860.c new file mode 100644 index 000000000..8826667cd --- /dev/null +++ b/board/westel/amx860/amx860.c @@ -0,0 +1,93 @@ +/* + * (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> + +/* ------------------------------------------------------------------------- */ + +#define	_NOT_USED_	0xFFFFFFFF + +const uint edo_60ns[] = +{ 0x8ffbec24, 0x0ff3ec04, 0x0cf3ec04, 0x00f3ec04, +  0x00f3ec00, 0x37f7ec47, _NOT_USED_, _NOT_USED_, +  0x8fffec24, 0x0ffbec04, 0x08f3ec04, 0x07f3ec08, +  0x08f3ec04, 0x07f3ec48, 0x08f3ec04, 0x07f3ec48, +  0x08f3ec04, 0x07f3ec48, 0x1ff7ec47, _NOT_USED_, +  _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, +  0x8fffcc24, 0x0fefcc04, 0x0cafcc00, 0x11bfcc47, +  _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, +  0x8fffcc24, 0x0fefcc04, 0x0cafcc00, 0x03afcc4c, +  0x0cafcc00, 0x03afcc4c, 0x0cafcc00, 0x03afcc4c, +  0x0cafcc00, 0x33bfcc4f, _NOT_USED_, _NOT_USED_, +  _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, +  0xc0ffcc84, 0x00ffcc04, 0x07ffcc04, 0x3fffcc06, +  0xffffcc85, 0xffffcc05, _NOT_USED_, _NOT_USED_, +  _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, +  0x33ffcc07, _NOT_USED_, _NOT_USED_, _NOT_USED_ }; + +/* ------------------------------------------------------------------------- */ + +/* + * Check Board Identity: + */ + +int checkboard (void) +{ +	puts ("Board: AMX860\n"); +	return 0; +} + +/* ------------------------------------------------------------------------- */ + +long int initdram (int board_type) +{ + +	volatile immap_t     *immap = (immap_t *)CFG_IMMR; +	volatile memctl8xx_t *memctl = &immap->im_memctl; + +	/* AMX860: has 4 Mb of 60ns EDO DRAM, so start DRAM at 0 */ + +	upmconfig(UPMA, (uint *) edo_60ns, sizeof(edo_60ns)/sizeof(uint)); + +#ifndef CONFIG_AMX_RAM_EXT +	memctl->memc_mptpr = 0x0400; /* divide by 16 */ +#else +	memctl->memc_mptpr = 0x0200; +#endif + +	memctl->memc_mamr = 0x30a21114; +	memctl->memc_or2 = 0xffc00800; +#ifndef CONFIG_AMX_RAM_EXT +	memctl->memc_br2 = 0x81; + +	return (4 << 20); +#else +	memctl->memc_or1 = 0xff000800; +	memctl->memc_br1 = 0x00000081; +	memctl->memc_br2 = 0x01000081; + +	return (20 << 20); +#endif +} |