diff options
Diffstat (limited to 'board/atc')
| -rw-r--r-- | board/atc/Makefile | 40 | ||||
| -rw-r--r-- | board/atc/atc.c | 366 | ||||
| -rw-r--r-- | board/atc/config.mk | 43 | ||||
| -rw-r--r-- | board/atc/flash.c | 665 | ||||
| -rw-r--r-- | board/atc/u-boot.lds | 118 | 
5 files changed, 1232 insertions, 0 deletions
| diff --git a/board/atc/Makefile b/board/atc/Makefile new file mode 100644 index 000000000..35b84288d --- /dev/null +++ b/board/atc/Makefile @@ -0,0 +1,40 @@ +# +# (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 $(TOPDIR)/config.mk + +LIB	= lib$(BOARD).a + +OBJS	= $(BOARD).o flash.o + +$(LIB):	.depend $(OBJS) +	$(AR) crv $@ $^ + +######################################################################### + +.depend:	Makefile $(SOBJS:.o=.S) $(OBJS:.o=.c) +		$(CC) -M $(CFLAGS) $(SOBJS:.o=.S) $(OBJS:.o=.c) > $@ + +sinclude .depend + +######################################################################### diff --git a/board/atc/atc.c b/board/atc/atc.c new file mode 100644 index 000000000..3547f41f9 --- /dev/null +++ b/board/atc/atc.c @@ -0,0 +1,366 @@ +/* + * (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 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 */ +#if 1 +	/* PA9  */ {   0,   1,   0,   1,   0,   0   }, /* SMC2 TXD */ +	/* PA8  */ {   0,   1,   0,   0,   0,   0   }, /* SMC2 RXD */ +#else +	/* PA9  */ {   1,   1,   0,   1,   0,   0   }, /* SMC2 TXD */ +	/* PA8  */ {   1,   1,   0,   0,   0,   0   }, /* SMC2 RXD */ +#endif +	/* 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 */ +#if 0 +	/* PC15 */ {   0,   0,   0,   0,   0,   0   }, /* PC15 */ +#else +	/* PC15 */ {   1,   1,   0,   1,   0,   0   }, /* PC15 */ +#endif +	/* 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 */ +#if 0 +	/* PD4  */ {   0,   0,   0,   0,   0,   0   }, /* PD4 */ +#else +	/* PD4  */ {   1,   1,   1,   0,   0,   0   }, /* PD4 */ +#endif +	/* 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: ATC\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 = &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 = 8 * 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/atc/config.mk b/board/atc/config.mk new file mode 100644 index 000000000..8fc82f3f8 --- /dev/null +++ b/board/atc/config.mk @@ -0,0 +1,43 @@ +# +# (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 +# + +# +# ATC boards +# + +# This should be equal to the CFG_FLASH_BASE define in config_atc.h +# for the "final" configuration, with U-Boot in flash, or the address +# in RAM where U-Boot is loaded at for debugging. +# + +ifeq ($(CONFIG_BOOT_ROM),y) +	TEXT_BASE := 0xFF800000 +	PLATFORM_CPPFLAGS += -DCONFIG_BOOT_ROM +else +	TEXT_BASE := 0xFF000000 +endif + +# RAM version +#TEXT_BASE := 0x100000 + +PLATFORM_CPPFLAGS += -DTEXT_BASE=$(TEXT_BASE) -I$(TOPDIR) diff --git a/board/atc/flash.c b/board/atc/flash.c new file mode 100644 index 000000000..4bcf2ee7f --- /dev/null +++ b/board/atc/flash.c @@ -0,0 +1,665 @@ +/* + * (C) Copyright 2003 + * 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> + +flash_info_t	flash_info[CFG_MAX_FLASH_BANKS]; /* info for FLASH chips	*/ + +/* NOTE - CONFIG_FLASH_16BIT means the CPU interface is 16-bit, it + *        has nothing to do with the flash chip being 8-bit or 16-bit. + */ +#ifdef CONFIG_FLASH_16BIT +typedef unsigned short FLASH_PORT_WIDTH; +typedef volatile unsigned short FLASH_PORT_WIDTHV; +#define	FLASH_ID_MASK	0xFFFF +#else +typedef unsigned long FLASH_PORT_WIDTH; +typedef volatile unsigned long FLASH_PORT_WIDTHV; +#define	FLASH_ID_MASK	0xFFFFFFFF +#endif + +#define FPW	FLASH_PORT_WIDTH +#define FPWV	FLASH_PORT_WIDTHV + +#define ORMASK(size) ((-size) & OR_AM_MSK) + +#define FLASH_CYCLE1	0x0555 +#define FLASH_CYCLE2	0x02aa + +/*----------------------------------------------------------------------- + * Functions + */ +static ulong flash_get_size(FPWV *addr, flash_info_t *info); +static void flash_reset(flash_info_t *info); +static int write_word_intel(flash_info_t *info, FPWV *dest, FPW data); +static int write_word_amd(flash_info_t *info, FPWV *dest, FPW data); +static void flash_get_offsets(ulong base, flash_info_t *info); +static flash_info_t *flash_get_info(ulong base); + +/*----------------------------------------------------------------------- + * flash_init() + * + * sets up flash_info and returns size of FLASH (bytes) + */ +unsigned long flash_init (void) +{ +	unsigned long size = 0; +	int i; + +	/* Init: no FLASHes known */ +	for (i=0; i < CFG_MAX_FLASH_BANKS; ++i) { +#if 0 +		ulong flashbase = (i == 0) ? PHYS_FLASH_1 : PHYS_FLASH_2; +#else +		ulong flashbase = CFG_FLASH_BASE; +#endif + +		memset(&flash_info[i], 0, sizeof(flash_info_t)); + +		flash_info[i].size =  +			flash_get_size((FPW *)flashbase, &flash_info[i]); + +		if (flash_info[i].flash_id == FLASH_UNKNOWN) { +			printf ("## Unknown FLASH on Bank %d - Size = 0x%08lx\n", +			i, flash_info[i].size); +		} +		 +		size += flash_info[i].size; +	} + +#if CFG_MONITOR_BASE >= CFG_FLASH_BASE +	/* monitor protection ON by default */ +	flash_protect(FLAG_PROTECT_SET, +		      CFG_MONITOR_BASE, +		      CFG_MONITOR_BASE+CFG_MONITOR_LEN-1, +		      flash_get_info(CFG_MONITOR_BASE)); +#endif + +#ifdef	CFG_ENV_IS_IN_FLASH +	/* ENV protection ON by default */ +	flash_protect(FLAG_PROTECT_SET, +		      CFG_ENV_ADDR, +		      CFG_ENV_ADDR+CFG_ENV_SIZE-1, +		      flash_get_info(CFG_ENV_ADDR)); +#endif + + +	return size ? size : 1; +} + +/*----------------------------------------------------------------------- + */ +static void flash_reset(flash_info_t *info) +{ +	FPWV *base = (FPWV *)(info->start[0]); + +	/* Put FLASH back in read mode */ +	if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_INTEL) +		*base = (FPW)0x00FF00FF;	/* Intel Read Mode */ +	else if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_AMD) +		*base = (FPW)0x00F000F0;	/* AMD Read Mode */ +} + +/*----------------------------------------------------------------------- + */ +static void flash_get_offsets (ulong base, flash_info_t *info) +{ +	int i; + +	/* set up sector start address table */ +	if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_INTEL +	    && (info->flash_id & FLASH_BTYPE)) { +		int bootsect_size;	/* number of bytes/boot sector	*/ +		int sect_size;		/* number of bytes/regular sector */ + +		bootsect_size = 0x00002000 * (sizeof(FPW)/2); +		sect_size =     0x00010000 * (sizeof(FPW)/2); + +		/* set sector offsets for bottom boot block type	*/ +		for (i = 0; i < 8; ++i) { +			info->start[i] = base + (i * bootsect_size); +		} +		for (i = 8; i < info->sector_count; i++) { +			info->start[i] = base + ((i - 7) * sect_size); +		} +	} +	else if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_AMD +		 && (info->flash_id & FLASH_TYPEMASK) == FLASH_AM640U) { + +		int sect_size;		/* number of bytes/sector */ + +		sect_size = 0x00010000 * (sizeof(FPW)/2); + +		/* set up sector start address table (uniform sector type) */ +		for( i = 0; i < info->sector_count; i++ ) +			info->start[i] = base + (i * sect_size); +	} +} + +/*----------------------------------------------------------------------- + */ + +static flash_info_t *flash_get_info(ulong base) +{ +	int i; +	flash_info_t * info; +	 +	for (i = 0; i < CFG_MAX_FLASH_BANKS; i ++) { +		info = & flash_info[i]; +		if (info->start[0] <= base && base < info->start[0] + info->size) +			break; +	} +	 +	return i == CFG_MAX_FLASH_BANKS ? 0 : info; +} + +/*----------------------------------------------------------------------- + */ + +void flash_print_info (flash_info_t *info) +{ +	int i; +	uchar *boottype; +	uchar *bootletter; +	uchar *fmt; +	uchar botbootletter[] = "B"; +	uchar topbootletter[] = "T"; +	uchar botboottype[] = "bottom boot sector"; +	uchar topboottype[] = "top boot sector"; + +	if (info->flash_id == FLASH_UNKNOWN) { +		printf ("missing or unknown FLASH type\n"); +		return; +	} + +	switch (info->flash_id & FLASH_VENDMASK) { +	case FLASH_MAN_AMD:	printf ("AMD ");		break; +	case FLASH_MAN_BM:	printf ("BRIGHT MICRO ");	break; +	case FLASH_MAN_FUJ:	printf ("FUJITSU ");		break; +	case FLASH_MAN_SST:	printf ("SST ");		break; +	case FLASH_MAN_STM:	printf ("STM ");		break; +	case FLASH_MAN_INTEL:	printf ("INTEL ");		break; +	default:		printf ("Unknown Vendor ");	break; +	} + +	/* check for top or bottom boot, if it applies */ +	if (info->flash_id & FLASH_BTYPE) { +		boottype = botboottype; +		bootletter = botbootletter; +	} +	else { +		boottype = topboottype; +		bootletter = topbootletter; +	} + +	switch (info->flash_id & FLASH_TYPEMASK) { +	case FLASH_AM640U: +		fmt = "29LV641D (64 Mbit, uniform sectors)\n"; +		break; +        case FLASH_28F800C3B: +        case FLASH_28F800C3T: +		fmt = "28F800C3%s (8 Mbit, %s)\n"; +		break; +	case FLASH_INTEL800B: +	case FLASH_INTEL800T: +		fmt = "28F800B3%s (8 Mbit, %s)\n"; +		break; +        case FLASH_28F160C3B: +        case FLASH_28F160C3T: +		fmt = "28F160C3%s (16 Mbit, %s)\n"; +		break; +	case FLASH_INTEL160B: +	case FLASH_INTEL160T: +		fmt = "28F160B3%s (16 Mbit, %s)\n"; +		break; +        case FLASH_28F320C3B: +        case FLASH_28F320C3T: +		fmt = "28F320C3%s (32 Mbit, %s)\n"; +		break; +	case FLASH_INTEL320B: +	case FLASH_INTEL320T: +		fmt = "28F320B3%s (32 Mbit, %s)\n"; +		break; +        case FLASH_28F640C3B: +        case FLASH_28F640C3T: +		fmt = "28F640C3%s (64 Mbit, %s)\n"; +		break; +	case FLASH_INTEL640B: +	case FLASH_INTEL640T: +		fmt = "28F640B3%s (64 Mbit, %s)\n"; +		break; +	default: +		fmt = "Unknown Chip Type\n"; +		break; +	} + +	printf (fmt, bootletter, boottype); + +	printf ("  Size: %ld MB in %d Sectors\n", +		info->size >> 20, +		info->sector_count); + +	printf ("  Sector Start Addresses:"); + +	for (i=0; i<info->sector_count; ++i) { +		if ((i % 5) == 0) { +			printf ("\n   "); +		} + +		printf (" %08lX%s", info->start[i], +			info->protect[i] ? " (RO)" : "     "); +	} + +	printf ("\n"); +} + +/*----------------------------------------------------------------------- + */ + +/* + * The following code cannot be run from FLASH! + */ + +ulong flash_get_size (FPWV *addr, flash_info_t *info) +{ +	/* Write auto select command: read Manufacturer ID */ + +	/* Write auto select command sequence and test FLASH answer */ +	addr[FLASH_CYCLE1] = (FPW)0x00AA00AA;	/* for AMD, Intel ignores this */ +	addr[FLASH_CYCLE2] = (FPW)0x00550055;	/* for AMD, Intel ignores this */ +	addr[FLASH_CYCLE1] = (FPW)0x00900090;	/* selects Intel or AMD */ + +	/* The manufacturer codes are only 1 byte, so just use 1 byte. +	 * This works for any bus width and any FLASH device width. +	 */ +	udelay(1000000);//psl +	//psl	switch (addr[1] & 0xff) { +	switch (addr[0] & 0xff) {//psl + +	case (uchar)AMD_MANUFACT: +		info->flash_id = FLASH_MAN_AMD; +		break; + +	case (uchar)INTEL_MANUFACT: +		info->flash_id = FLASH_MAN_INTEL; +		break; + +	default: +		info->flash_id = FLASH_UNKNOWN; +		info->sector_count = 0; +		info->size = 0; +		break; +	} + +	/* Check 16 bits or 32 bits of ID so work on 32 or 16 bit bus. */ +	//psl	if (info->flash_id != FLASH_UNKNOWN) switch (addr[0]) { +	if (info->flash_id != FLASH_UNKNOWN) switch (addr[1]) { + +	case (FPW)AMD_ID_LV640U:	/* 29LV640 and 29LV641 have same ID */ +		info->flash_id += FLASH_AM640U; +		info->sector_count = 128; +		info->size = 0x00800000 * (sizeof(FPW)/2); +		break;				/* => 8 or 16 MB	*/ + +	case (FPW)INTEL_ID_28F800C3B: +		info->flash_id += FLASH_28F800C3B; +		info->sector_count = 23; +		info->size = 0x00100000 * (sizeof(FPW)/2); +		break;				/* => 1 or 2 MB		*/ + +	case (FPW)INTEL_ID_28F800B3B: +		info->flash_id += FLASH_INTEL800B; +		info->sector_count = 23; +		info->size = 0x00100000 * (sizeof(FPW)/2); +		break;				/* => 1 or 2 MB		*/ + +	case (FPW)INTEL_ID_28F160C3B: +		info->flash_id += FLASH_28F160C3B; +		info->sector_count = 39; +		info->size = 0x00200000 * (sizeof(FPW)/2); +		break;				/* => 2 or 4 MB		*/ + +	case (FPW)INTEL_ID_28F160B3B: +		info->flash_id += FLASH_INTEL160B; +		info->sector_count = 39; +		info->size = 0x00200000 * (sizeof(FPW)/2); +		break;				/* => 2 or 4 MB		*/ + +	case (FPW)INTEL_ID_28F320C3B: +		info->flash_id += FLASH_28F320C3B; +		info->sector_count = 71; +		info->size = 0x00400000 * (sizeof(FPW)/2); +		break;				/* => 4 or 8 MB		*/ + +	case (FPW)INTEL_ID_28F320B3B: +		info->flash_id += FLASH_INTEL320B; +		info->sector_count = 71; +		info->size = 0x00400000 * (sizeof(FPW)/2); +		break;				/* => 4 or 8 MB		*/ + +	case (FPW)INTEL_ID_28F640C3B: +		info->flash_id += FLASH_28F640C3B; +		info->sector_count = 135; +		info->size = 0x00800000 * (sizeof(FPW)/2); +		break;				/* => 8 or 16 MB	*/ + +	case (FPW)INTEL_ID_28F640B3B: +		info->flash_id += FLASH_INTEL640B; +		info->sector_count = 135; +		info->size = 0x00800000 * (sizeof(FPW)/2); +		break;				/* => 8 or 16 MB	*/ + +	default: +		info->flash_id = FLASH_UNKNOWN; +		info->sector_count = 0; +		info->size = 0; +		return (0);			/* => no or unknown flash */ +	} + +	flash_get_offsets((ulong)addr, info); + +	/* Put FLASH back in read mode */ +	flash_reset(info); + +	return (info->size); +} + +/*----------------------------------------------------------------------- + */ + +int	flash_erase (flash_info_t *info, int s_first, int s_last) +{ +	FPWV *addr; +	int flag, prot, sect; +	int intel = (info->flash_id & FLASH_VENDMASK) == FLASH_MAN_INTEL; +	ulong start, now, last; +	int rcode = 0; + +	if ((s_first < 0) || (s_first > s_last)) { +		if (info->flash_id == FLASH_UNKNOWN) { +			printf ("- missing\n"); +		} else { +			printf ("- no sectors to erase\n"); +		} +		return 1; +	} + +	switch (info->flash_id & FLASH_TYPEMASK) { +	case FLASH_INTEL800B: +	case FLASH_INTEL160B: +	case FLASH_INTEL320B: +	case FLASH_INTEL640B: +	case FLASH_28F800C3B: +	case FLASH_28F160C3B: +	case FLASH_28F320C3B: +	case FLASH_28F640C3B: +	case FLASH_AM640U: +		break; +	case FLASH_UNKNOWN: +	default: +		printf ("Can't erase unknown flash type %08lx - aborted\n", +			info->flash_id); +		return 1; +	} + +	prot = 0; +	for (sect=s_first; sect<=s_last; ++sect) { +		if (info->protect[sect]) { +			prot++; +		} +	} + +	if (prot) { +		printf ("- Warning: %d protected sectors will not be erased!\n", +			prot); +	} else { +		printf ("\n"); +	} + +	last  = get_timer(0); + +	/* Start erase on unprotected sectors */ +	for (sect = s_first; sect<=s_last && rcode == 0; sect++) { + +		if (info->protect[sect] != 0)	/* protected, skip it */ +			continue; + +		/* Disable interrupts which might cause a timeout here */ +		flag = disable_interrupts(); + +		addr = (FPWV *)(info->start[sect]); +		if (intel) { +			*addr = (FPW)0x00500050; /* clear status register */ +			*addr = (FPW)0x00200020; /* erase setup */ +			*addr = (FPW)0x00D000D0; /* erase confirm */ +		} +		else { +			/* must be AMD style if not Intel */ +			FPWV *base;		/* first address in bank */ + +			base = (FPWV *)(info->start[0]); +			base[FLASH_CYCLE1] = (FPW)0x00AA00AA;	/* unlock */ +			base[FLASH_CYCLE2] = (FPW)0x00550055;	/* unlock */ +			base[FLASH_CYCLE1] = (FPW)0x00800080;	/* erase mode */ +			base[FLASH_CYCLE1] = (FPW)0x00AA00AA;	/* unlock */ +			base[FLASH_CYCLE2] = (FPW)0x00550055;	/* unlock */ +			*addr = (FPW)0x00300030;	/* erase sector */ +		} + +		/* re-enable interrupts if necessary */ +		if (flag) +			enable_interrupts(); + +		start = get_timer(0); + +		/* wait at least 50us for AMD, 80us for Intel. +		 * Let's wait 1 ms. +		 */ +		udelay (1000); + +		while ((*addr & (FPW)0x00800080) != (FPW)0x00800080) { +			if ((now = get_timer(start)) > CFG_FLASH_ERASE_TOUT) { +				printf ("Timeout\n"); + +				if (intel) { +					/* suspend erase	*/ +					*addr = (FPW)0x00B000B0; +				} + +				flash_reset(info);	/* reset to read mode */ +				rcode = 1;		/* failed */ +				break; +			} + +			/* show that we're waiting */ +			if ((get_timer(last)) > CFG_HZ) {/* every second */ +				putc ('.'); +				last = get_timer(0); +			} +		} + +		/* show that we're waiting */ +		if ((get_timer(last)) > CFG_HZ) {	/* every second */ +			putc ('.'); +			last = get_timer(0); +		} + +		flash_reset(info);	/* reset to read mode	*/ +	} + +	printf (" done\n"); +	return rcode; +} + +/*----------------------------------------------------------------------- + * Copy memory to flash, returns: + * 0 - OK + * 1 - write timeout + * 2 - Flash not erased + */ +int write_buff (flash_info_t *info, uchar *src, ulong addr, ulong cnt) +{ +    FPW data = 0; /* 16 or 32 bit word, matches flash bus width on MPC8XX */ +    int bytes;	  /* number of bytes to program in current word		*/ +    int left;	  /* number of bytes left to program			*/ +    int i, res; + +    for (left = cnt, res = 0; +	 left > 0 && res == 0; +	 addr += sizeof(data), left -= sizeof(data) - bytes) { + +        bytes = addr & (sizeof(data) - 1); +        addr &= ~(sizeof(data) - 1); + +	/* combine source and destination data so can program +	 * an entire word of 16 or 32 bits +	 */ +        for (i = 0; i < sizeof(data); i++) { +            data <<= 8; +            if (i < bytes || i - bytes >= left ) +		data += *((uchar *)addr + i); +	    else +		data += *src++; +	} + +	/* write one word to the flash */ +	switch (info->flash_id & FLASH_VENDMASK) { +	case FLASH_MAN_AMD: +		res = write_word_amd(info, (FPWV *)addr, data); +		break; +	case FLASH_MAN_INTEL: +		res = write_word_intel(info, (FPWV *)addr, data); +		break; +	default: +		/* unknown flash type, error! */ +		printf ("missing or unknown FLASH type\n"); +		res = 1;	/* not really a timeout, but gives error */ +		break; +	} +    } + +    return (res); +} + +/*----------------------------------------------------------------------- + * Write a word to Flash for AMD FLASH + * A word is 16 or 32 bits, whichever the bus width of the flash bank + * (not an individual chip) is. + * + * returns: + * 0 - OK + * 1 - write timeout + * 2 - Flash not erased + */ +static int write_word_amd (flash_info_t *info, FPWV *dest, FPW data) +{ +    ulong start; +    int flag; +    int res = 0;	/* result, assume success	*/ +    FPWV *base;		/* first address in flash bank	*/ + +    /* Check if Flash is (sufficiently) erased */ +    if ((*dest & data) != data) { +	return (2); +    } + + +    base = (FPWV *)(info->start[0]); + +    /* Disable interrupts which might cause a timeout here */ +    flag = disable_interrupts(); + +    base[FLASH_CYCLE1] = (FPW)0x00AA00AA;	/* unlock */ +    base[FLASH_CYCLE2] = (FPW)0x00550055;	/* unlock */ +    base[FLASH_CYCLE1] = (FPW)0x00A000A0;	/* selects program mode */ + +    *dest = data;		/* start programming the data	*/ + +    /* re-enable interrupts if necessary */ +    if (flag) +	enable_interrupts(); + +    start = get_timer (0); + +    /* data polling for D7 */ +    while (res == 0 && (*dest & (FPW)0x00800080) != (data & (FPW)0x00800080)) { +	if (get_timer(start) > CFG_FLASH_WRITE_TOUT) { +	    *dest = (FPW)0x00F000F0;	/* reset bank */ +	    res = 1; +	} +    } + +    return (res); +} + +/*----------------------------------------------------------------------- + * Write a word to Flash for Intel FLASH + * A word is 16 or 32 bits, whichever the bus width of the flash bank + * (not an individual chip) is. + * + * returns: + * 0 - OK + * 1 - write timeout + * 2 - Flash not erased + */ +static int write_word_intel (flash_info_t *info, FPWV *dest, FPW data) +{ +    ulong start; +    int flag; +    int res = 0;	/* result, assume success	*/ + +    /* Check if Flash is (sufficiently) erased */ +    if ((*dest & data) != data) { +	return (2); +    } + +    /* Disable interrupts which might cause a timeout here */ +    flag = disable_interrupts(); + +    *dest = (FPW)0x00500050;	/* clear status register	*/ +    *dest = (FPW)0x00FF00FF;	/* make sure in read mode	*/ +    *dest = (FPW)0x00400040;	/* program setup		*/ + +    *dest = data;		/* start programming the data	*/ + +    /* re-enable interrupts if necessary */ +    if (flag) +	enable_interrupts(); + +    start = get_timer (0); + +    while (res == 0 && (*dest & (FPW)0x00800080) != (FPW)0x00800080) { +	if (get_timer(start) > CFG_FLASH_WRITE_TOUT) { +	    *dest = (FPW)0x00B000B0;	/* Suspend program	*/ +	    res = 1; +	} +    } + +    if (res == 0 && (*dest & (FPW)0x00100010)) +	res = 1;	/* write failed, time out error is close enough	*/ + +    *dest = (FPW)0x00500050;	/* clear status register	*/ +    *dest = (FPW)0x00FF00FF;	/* make sure in read mode	*/ + +    return (res); +} diff --git a/board/atc/u-boot.lds b/board/atc/u-boot.lds new file mode 100644 index 000000000..5df4cdb32 --- /dev/null +++ b/board/atc/u-boot.lds @@ -0,0 +1,118 @@ +/* + * (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 + */ + +OUTPUT_ARCH(powerpc) +SEARCH_DIR(/lib); SEARCH_DIR(/usr/lib); SEARCH_DIR(/usr/local/lib); SEARCH_DIR(/usr/local/powerpc-any-elf/lib); +/* Do we need any of these for elf? +   __DYNAMIC = 0;    */ +SECTIONS +{ +  /* Read-only sections, merged into text segment: */ +  . = + SIZEOF_HEADERS; +  .interp : { *(.interp) } +  .hash          : { *(.hash)		} +  .dynsym        : { *(.dynsym)		} +  .dynstr        : { *(.dynstr)		} +  .rel.text      : { *(.rel.text)		} +  .rela.text     : { *(.rela.text) 	} +  .rel.data      : { *(.rel.data)		} +  .rela.data     : { *(.rela.data) 	} +  .rel.rodata    : { *(.rel.rodata) 	} +  .rela.rodata   : { *(.rela.rodata) 	} +  .rel.got       : { *(.rel.got)		} +  .rela.got      : { *(.rela.got)		} +  .rel.ctors     : { *(.rel.ctors)	} +  .rela.ctors    : { *(.rela.ctors)	} +  .rel.dtors     : { *(.rel.dtors)	} +  .rela.dtors    : { *(.rela.dtors)	} +  .rel.bss       : { *(.rel.bss)		} +  .rela.bss      : { *(.rela.bss)		} +  .rel.plt       : { *(.rel.plt)		} +  .rela.plt      : { *(.rela.plt)		} +  .init          : { *(.init)	} +  .plt : { *(.plt) } +  .text      : +  { +    cpu/mpc8260/start.o	(.text) +    *(.text) +    common/environment.o(.text) +    *(.fixup) +    *(.got1) +    . = ALIGN(16); +    *(.rodata) +    *(.rodata1) +  } +  .fini      : { *(.fini)    } =0 +  .ctors     : { *(.ctors)   } +  .dtors     : { *(.dtors)   } + +  /* Read-write section, merged into data segment: */ +  . = (. + 0x0FFF) & 0xFFFFF000; +  _erotext = .; +  PROVIDE (erotext = .); +  .reloc   : +  { +    *(.got) +    _GOT2_TABLE_ = .; +    *(.got2) +    _FIXUP_TABLE_ = .; +    *(.fixup) +  } +  __got2_entries = (_FIXUP_TABLE_ - _GOT2_TABLE_) >> 2; +  __fixup_entries = (. - _FIXUP_TABLE_) >> 2; + +  .data    : +  { +    *(.data) +    *(.data1) +    *(.sdata) +    *(.sdata2) +    *(.dynamic) +    CONSTRUCTORS +  } +  _edata  =  .; +  PROVIDE (edata = .); + +  __start___ex_table = .; +  __ex_table : { *(__ex_table) } +  __stop___ex_table = .; + +  . = ALIGN(4096); +  __init_begin = .; +  .text.init : { *(.text.init) } +  .data.init : { *(.data.init) } +  . = ALIGN(4096); +  __init_end = .; + +  __bss_start = .; +  .bss       : +  { +   *(.sbss) *(.scommon) +   *(.dynbss) +   *(.bss) +   *(COMMON) +  } +  _end = . ; +  PROVIDE (end = .); +} + |