diff options
| author | stroese <stroese> | 2003-05-23 11:35:47 +0000 | 
|---|---|---|
| committer | stroese <stroese> | 2003-05-23 11:35:47 +0000 | 
| commit | 071d897c96460c414786ef1d40f3e56f8d9fb8cb (patch) | |
| tree | 1c3c2b7b95507b698cb4fe683c69e23cd95bf126 | |
| parent | 387184252951e3125f43c151ab0841e2b4942c06 (diff) | |
| download | olio-uboot-2014.01-071d897c96460c414786ef1d40f3e56f8d9fb8cb.tar.xz olio-uboot-2014.01-071d897c96460c414786ef1d40f3e56f8d9fb8cb.zip | |
PMC405 board added.
| -rw-r--r-- | board/esd/pmc405/Makefile | 46 | ||||
| -rw-r--r-- | board/esd/pmc405/config.mk | 28 | ||||
| -rw-r--r-- | board/esd/pmc405/pmc405.c | 229 | ||||
| -rw-r--r-- | board/esd/pmc405/strataflash.c | 796 | ||||
| -rw-r--r-- | board/esd/pmc405/u-boot.lds | 142 | ||||
| -rw-r--r-- | include/configs/PMC405.h | 277 | 
6 files changed, 1518 insertions, 0 deletions
| diff --git a/board/esd/pmc405/Makefile b/board/esd/pmc405/Makefile new file mode 100644 index 000000000..2fa097a09 --- /dev/null +++ b/board/esd/pmc405/Makefile @@ -0,0 +1,46 @@ +# +# (C) Copyright 2000, 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	= $(BOARD).o strataflash.o + +$(LIB):	$(OBJS) $(SOBJS) +	$(AR) crv $@ $^ + +clean: +	rm -f $(SOBJS) $(OBJS) + +distclean:	clean +	rm -f $(LIB) core *.bak .depend + +######################################################################### + +.depend:	Makefile $(SOBJS:.o=.S) $(OBJS:.o=.c) +		$(CC) -M $(CFLAGS) $(SOBJS:.o=.S) $(OBJS:.o=.c) > $@ + +sinclude .depend + +######################################################################### diff --git a/board/esd/pmc405/config.mk b/board/esd/pmc405/config.mk new file mode 100644 index 000000000..fc2794dbb --- /dev/null +++ b/board/esd/pmc405/config.mk @@ -0,0 +1,28 @@ +# +# (C) Copyright 2000, 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 +# + +# +# esd PMC405 boards +# + +TEXT_BASE = 0xFFFC0000 diff --git a/board/esd/pmc405/pmc405.c b/board/esd/pmc405/pmc405.c new file mode 100644 index 000000000..78eed9f3d --- /dev/null +++ b/board/esd/pmc405/pmc405.c @@ -0,0 +1,229 @@ +/* + * (C) Copyright 2001-2003 + * Stefan Roese, esd gmbh germany, stefan.roese@esd-electronics.com + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <common.h> +#include <asm/processor.h> +#include <command.h> +#include <cmd_boot.h> +#include <malloc.h> + +/* ------------------------------------------------------------------------- */ + + +/* Prototypes */ +int gunzip(void *, int, unsigned char *, int *); + + +int board_pre_init (void) +{ +	/* +	 * IRQ 0-15  405GP internally generated; active high; level sensitive +	 * IRQ 16    405GP internally generated; active low; level sensitive +	 * IRQ 17-24 RESERVED +	 * IRQ 25 (EXT IRQ 0) CAN0; active low; level sensitive +	 * IRQ 26 (EXT IRQ 1) SER0 ; active low; level sensitive +	 * IRQ 27 (EXT IRQ 2) SER1; active low; level sensitive +	 * IRQ 28 (EXT IRQ 3) FPGA 0; active low; level sensitive +	 * IRQ 29 (EXT IRQ 4) FPGA 1; active low; level sensitive +	 * IRQ 30 (EXT IRQ 5) PCI INTA; active low; level sensitive +	 * IRQ 31 (EXT IRQ 6) COMPACT FLASH; active high; level sensitive +	 */ +	mtdcr(uicsr, 0xFFFFFFFF);       /* clear all ints */ +	mtdcr(uicer, 0x00000000);       /* disable all ints */ +	mtdcr(uiccr, 0x00000000);       /* set all to be non-critical*/ +	mtdcr(uicpr, 0xFFFFFF81);       /* set int polarities */ +	mtdcr(uictr, 0x10000000);       /* set int trigger levels */ +	mtdcr(uicvcr, 0x00000001);      /* set vect base=0,INT0 highest priority*/ +	mtdcr(uicsr, 0xFFFFFFFF);       /* clear all ints */ + +	/* +	 * EBC Configuration Register: set ready timeout to 512 ebc-clks -> ca. 15 us +	 */ +	mtebc (epcr, 0xa8400000); + +	return 0; +} + + +/* ------------------------------------------------------------------------- */ + +int misc_init_f (void) +{ +	return 0;  /* dummy implementation */ +} + + +int misc_init_r (void) +{ +#if 0 /* test-only */ +	DECLARE_GLOBAL_DATA_PTR; +	volatile unsigned short *fpga_mode = +		(unsigned short *)((ulong)CFG_FPGA_BASE_ADDR + CFG_FPGA_CTRL); +	volatile unsigned char *duart0_mcr = +		(unsigned char *)((ulong)DUART0_BA + 4); +	volatile unsigned char *duart1_mcr = +		(unsigned char *)((ulong)DUART1_BA + 4); +	bd_t *bd = gd->bd; +	char *	tmp;                    /* Temporary char pointer      */ +	unsigned char *dst; +	ulong len = sizeof(fpgadata); +	int status; +	int index; +	int i; +	unsigned long cntrl0Reg; + +	/* +	 * Setup GPIO pins (CS6+CS7 as GPIO) +	 */ +	cntrl0Reg = mfdcr(cntrl0); +	mtdcr(cntrl0, cntrl0Reg | 0x00300000); + +	dst = malloc(CFG_FPGA_MAX_SIZE); +	if (gunzip (dst, CFG_FPGA_MAX_SIZE, (uchar *)fpgadata, (int *)&len) != 0) { +		printf ("GUNZIP ERROR - must RESET board to recover\n"); +		do_reset (NULL, 0, 0, NULL); +	} + +	status = fpga_boot(dst, len); +	if (status != 0) { +		printf("\nFPGA: Booting failed "); +		switch (status) { +		case ERROR_FPGA_PRG_INIT_LOW: +			printf("(Timeout: INIT not low after asserting PROGRAM*)\n "); +			break; +		case ERROR_FPGA_PRG_INIT_HIGH: +			printf("(Timeout: INIT not high after deasserting PROGRAM*)\n "); +			break; +		case ERROR_FPGA_PRG_DONE: +			printf("(Timeout: DONE not high after programming FPGA)\n "); +			break; +		} + +		/* display infos on fpgaimage */ +		index = 15; +		for (i=0; i<4; i++) { +			len = dst[index]; +			printf("FPGA: %s\n", &(dst[index+1])); +			index += len+3; +		} +		putc ('\n'); +		/* delayed reboot */ +		for (i=20; i>0; i--) { +			printf("Rebooting in %2d seconds \r",i); +			for (index=0;index<1000;index++) +				udelay(1000); +		} +		putc ('\n'); +		do_reset(NULL, 0, 0, NULL); +	} + +	/* restore gpio/cs settings */ +	mtdcr(cntrl0, cntrl0Reg); + +	puts("FPGA:  "); + +	/* display infos on fpgaimage */ +	index = 15; +	for (i=0; i<4; i++) { +		len = dst[index]; +		printf("%s ", &(dst[index+1])); +		index += len+3; +	} +	putc ('\n'); + +	free(dst); + +	/* +	 * Reset FPGA via FPGA_DATA pin +	 */ +	SET_FPGA(FPGA_PRG | FPGA_CLK); +	udelay(1000); /* wait 1ms */ +	SET_FPGA(FPGA_PRG | FPGA_CLK | FPGA_DATA); +	udelay(1000); /* wait 1ms */ + +	/* +	 * Enable power on PS/2 interface +	 */ +	*fpga_mode |= CFG_FPGA_CTRL_PS2_RESET; + +	/* +	 * Enable interrupts in exar duart mcr[3] +	 */ +	*duart0_mcr = 0x08; +	*duart1_mcr = 0x08; +#endif + +	return (0); +} + + +/* + * Check Board Identity: + */ + +int checkboard (void) +{ +	unsigned char str[64]; +	int i = getenv_r ("serial#", str, sizeof(str)); + +	puts ("Board: "); + +	if (i == -1) { +		puts ("### No HW ID - assuming ABG405"); +	} else { +		puts(str); +	} + +	putc ('\n'); + +	return 0; +} + +/* ------------------------------------------------------------------------- */ + +long int initdram (int board_type) +{ +	unsigned long val; + +	mtdcr(memcfga, mem_mb0cf); +	val = mfdcr(memcfgd); + +#if 0 +	printf("\nmb0cf=%x\n", val); /* test-only */ +	printf("strap=%x\n", mfdcr(strap)); /* test-only */ +#endif + +	return (4*1024*1024 << ((val & 0x000e0000) >> 17)); +} + +/* ------------------------------------------------------------------------- */ + +int testdram (void) +{ +	/* TODO: XXX XXX XXX */ +	printf ("test: 16 MB - ok\n"); + +	return (0); +} + +/* ------------------------------------------------------------------------- */ diff --git a/board/esd/pmc405/strataflash.c b/board/esd/pmc405/strataflash.c new file mode 100644 index 000000000..6578ed9d5 --- /dev/null +++ b/board/esd/pmc405/strataflash.c @@ -0,0 +1,796 @@ +/* + * (C) Copyright 2002 + * Brad Kemp, Seranoa Networks, Brad.Kemp@seranoa.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 <asm/processor.h> + +#undef  DEBUG_FLASH  +/* + * This file implements a Common Flash Interface (CFI) driver for ppcboot. + * The width of the port and the width of the chips are determined at initialization. + * These widths are used to calculate the address for access CFI data structures. + * It has been tested on an Intel Strataflash implementation. + * + * References + * JEDEC Standard JESD68 - Common Flash Interface (CFI) + * JEDEC Standard JEP137-A Common Flash Interface (CFI) ID Codes + * Intel Application Note 646 Common Flash Interface (CFI) and Command Sets + * Intel 290667-008 3 Volt Intel StrataFlash Memory datasheet + * + * TODO + * Use Primary Extended Query table (PRI) and Alternate Algorithm Query Table (ALT) to determine if protection is available + * Add support for other command sets Use the PRI and ALT to determine command set + * Verify erase and program timeouts. + */ + +#define FLASH_CMD_CFI			0x98 +#define FLASH_CMD_READ_ID		0x90 +#define FLASH_CMD_RESET			0xff +#define FLASH_CMD_BLOCK_ERASE		0x20 +#define FLASH_CMD_ERASE_CONFIRM		0xD0 +#define FLASH_CMD_WRITE			0x40 +#define FLASH_CMD_PROTECT		0x60 +#define FLASH_CMD_PROTECT_SET		0x01 +#define FLASH_CMD_PROTECT_CLEAR		0xD0 +#define FLASH_CMD_CLEAR_STATUS		0x50 +#define FLASH_CMD_WRITE_TO_BUFFER       0xE8 +#define FLASH_CMD_WRITE_BUFFER_CONFIRM  0xD0 + +#define FLASH_STATUS_DONE		0x80 +#define FLASH_STATUS_ESS		0x40 +#define FLASH_STATUS_ECLBS		0x20 +#define FLASH_STATUS_PSLBS		0x10 +#define FLASH_STATUS_VPENS		0x08 +#define FLASH_STATUS_PSS		0x04 +#define FLASH_STATUS_DPS		0x02 +#define FLASH_STATUS_R			0x01 +#define FLASH_STATUS_PROTECT		0x01 + +#define FLASH_OFFSET_CFI		0x55 +#define FLASH_OFFSET_CFI_RESP		0x10 +#define FLASH_OFFSET_WTOUT		0x1F +#define FLASH_OFFSET_WBTOUT             0x20 +#define FLASH_OFFSET_ETOUT		0x21 +#define FLASH_OFFSET_CETOUT             0x22 +#define FLASH_OFFSET_WMAX_TOUT		0x23 +#define FLASH_OFFSET_WBMAX_TOUT         0x24 +#define FLASH_OFFSET_EMAX_TOUT		0x25 +#define FLASH_OFFSET_CEMAX_TOUT         0x26 +#define FLASH_OFFSET_SIZE		0x27 +#define FLASH_OFFSET_INTERFACE          0x28 +#define FLASH_OFFSET_BUFFER_SIZE        0x2A +#define FLASH_OFFSET_NUM_ERASE_REGIONS	0x2C +#define FLASH_OFFSET_ERASE_REGIONS	0x2D +#define FLASH_OFFSET_PROTECT		0x02 +#define FLASH_OFFSET_USER_PROTECTION    0x85 +#define FLASH_OFFSET_INTEL_PROTECTION   0x81 + + +#define FLASH_MAN_CFI			0x01000000 + + + + +typedef union { +	unsigned char c; +	unsigned short w; +	unsigned long l; +} cfiword_t; + +typedef union { +	unsigned char * cp; +	unsigned short *wp; +	unsigned long *lp; +} cfiptr_t; + +#define NUM_ERASE_REGIONS 4 + +flash_info_t	flash_info[CFG_MAX_FLASH_BANKS]; /* info for FLASH chips	*/ + + +/*----------------------------------------------------------------------- + * Functions + */ + + + +static void flash_add_byte(flash_info_t *info, cfiword_t * cword, uchar c); +static void flash_make_cmd(flash_info_t * info, uchar cmd, void * cmdbuf); +static void flash_write_cmd(flash_info_t * info, int sect, uchar offset, uchar cmd); +static int flash_isequal(flash_info_t * info, int sect, uchar offset, uchar cmd); +static int flash_isset(flash_info_t * info, int sect, uchar offset, uchar cmd); +static int flash_detect_cfi(flash_info_t * info); +static ulong flash_get_size (ulong base, int banknum); +static int flash_write_cfiword (flash_info_t *info, ulong dest, cfiword_t cword); +static int flash_full_status_check(flash_info_t * info, ulong sector, ulong tout, char * prompt); +#ifdef CFG_FLASH_USE_BUFFER_WRITE +static int flash_write_cfibuffer(flash_info_t * info, ulong dest, uchar * cp, int len); +#endif +/*----------------------------------------------------------------------- + * create an address based on the offset and the port width + */ +inline uchar * flash_make_addr(flash_info_t * info, int sect, int offset) +{ +	return ((uchar *)(info->start[sect] + (offset * info->portwidth))); +} +/*----------------------------------------------------------------------- + * read a character at a port width address + */ +inline uchar flash_read_uchar(flash_info_t * info, uchar offset) +{ +	uchar *cp; +	cp = flash_make_addr(info, 0, offset); +	return (cp[info->portwidth - 1]); +} + +/*----------------------------------------------------------------------- + * read a short word by swapping for ppc format. + */ +ushort flash_read_ushort(flash_info_t * info, int sect,  uchar offset) +{ +    uchar * addr; + +    addr = flash_make_addr(info, sect, offset); +    return ((addr[(2*info->portwidth) - 1] << 8) | addr[info->portwidth - 1]); + +} + +/*----------------------------------------------------------------------- + * read a long word by picking the least significant byte of each maiximum + * port size word. Swap for ppc format. + */ +ulong flash_read_long(flash_info_t * info, int sect,  uchar offset) +{ +    uchar * addr; + +    addr = flash_make_addr(info, sect, offset); +    return ( (addr[(2*info->portwidth) - 1] << 24 ) | (addr[(info->portwidth) -1] << 16) | +	    (addr[(4*info->portwidth) - 1] << 8) | addr[(3*info->portwidth) - 1]); + +} + +/*----------------------------------------------------------------------- + */ +unsigned long flash_init (void) +{ +	unsigned long size; +	int i; +	unsigned long  address; + + +	/* The flash is positioned back to back, with the demultiplexing of the chip +	 * based on the A24 address line. +	 * +	 */ + +	address = CFG_FLASH_BASE; +	size = 0; + +	/* Init: no FLASHes known */ +	for (i=0; i<CFG_MAX_FLASH_BANKS; ++i) { +		flash_info[i].flash_id = FLASH_UNKNOWN; +		size += flash_info[i].size = flash_get_size(address, i); +		address += CFG_FLASH_INCREMENT; +		if (flash_info[0].flash_id == FLASH_UNKNOWN) { +			printf ("## Unknown FLASH on Bank %d - Size = 0x%08lx = %ld MB\n",i, +				flash_info[0].size, flash_info[i].size<<20); +		} +	} + +#if 0 /* test-only */ +	/* Monitor protection ON by default */ +#if (CFG_MONITOR_BASE >= CFG_FLASH_BASE) +	for(i=0; flash_info[0].start[i] < CFG_MONITOR_BASE+CFG_MONITOR_LEN-1; i++) +		(void)flash_real_protect(&flash_info[0], i, 1); +#endif +#else +	/* monitor protection ON by default */ +	flash_protect (FLAG_PROTECT_SET, +		       - CFG_MONITOR_LEN, +		       - 1, &flash_info[1]); +#endif + +	return (size); +} + +/*----------------------------------------------------------------------- + */ +int flash_erase (flash_info_t *info, int s_first, int s_last) +{ +	int rcode = 0; +	int prot; +	int sect; + +	if( info->flash_id != FLASH_MAN_CFI) { +		printf ("Can't erase unknown flash type - aborted\n"); +		return 1; +	} +	if ((s_first < 0) || (s_first > s_last)) { +		printf ("- no sectors to erase\n"); +		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"); +	} + + +	for (sect = s_first; sect<=s_last; sect++) { +		if (info->protect[sect] == 0) { /* not protected */ +			flash_write_cmd(info, sect, 0, FLASH_CMD_CLEAR_STATUS); +			flash_write_cmd(info, sect, 0, FLASH_CMD_BLOCK_ERASE); +			flash_write_cmd(info, sect, 0, FLASH_CMD_ERASE_CONFIRM); +			 +			if(flash_full_status_check(info, sect, info->erase_blk_tout, "erase")) { +				rcode = 1; +			} else +				printf("."); +		} +	} +	printf (" done\n"); +	return rcode; +} + +/*----------------------------------------------------------------------- + */ +void flash_print_info  (flash_info_t *info) +{ +	int i; + +	if (info->flash_id != FLASH_MAN_CFI) { +		printf ("missing or unknown FLASH type\n"); +		return; +	} + +	printf("CFI conformant FLASH (%d x %d)", +	       (info->portwidth	 << 3 ), (info->chipwidth  << 3 )); +	printf ("  Size: %ld MB in %d Sectors\n", +		info->size >> 20, info->sector_count); +	printf(" Erase timeout %ld ms, write timeout %ld ms, buffer write timeout %ld ms, buffer size %d\n", +	       info->erase_blk_tout, info->write_tout, info->buffer_write_tout, info->buffer_size); +       +	printf ("  Sector Start Addresses:"); +	for (i=0; i<info->sector_count; ++i) { +#ifdef CFG_FLASH_EMPTY_INFO +		int k; +		int size; +		int erased; +		volatile unsigned long *flash; + +                /* +                 * Check if whole sector is erased +                 */ +                if (i != (info->sector_count-1)) +                  size = info->start[i+1] - info->start[i]; +                else +                  size = info->start[0] + info->size - info->start[i]; +                erased = 1; +                flash = (volatile unsigned long *)info->start[i]; +                size = size >> 2;        /* divide by 4 for longword access */ +                for (k=0; k<size; k++) +                  { +                    if (*flash++ != 0xffffffff) +                      { +                        erased = 0; +                        break; +                      } +                  } + +		if ((i % 5) == 0) +			printf ("\n   "); +                /* print empty and read-only info */ +		printf (" %08lX%s%s", +			info->start[i], +			erased ? " E" : "  ", +			info->protect[i] ? "RO " : "   "); +#else +		if ((i % 5) == 0) +			printf ("\n   "); +		printf (" %08lX%s", +			info->start[i], +			info->protect[i] ? " (RO)" : "     "); +#endif +	} +	printf ("\n"); +	return; +} + +/*----------------------------------------------------------------------- + * 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) +{ +	ulong wp; +	ulong cp; +	int aln; +	cfiword_t cword; +	int i, rc; + +	/* get lower aligned address */ +	wp = (addr & ~(info->portwidth - 1)); + +	/* handle unaligned start */ +	if((aln = addr - wp) != 0) { +		cword.l = 0; +		cp = wp; +		for(i=0;i<aln; ++i, ++cp) +			flash_add_byte(info, &cword, (*(uchar *)cp)); + +		for(; (i< info->portwidth) && (cnt > 0) ; i++) { +			flash_add_byte(info, &cword, *src++); +			cnt--; +			cp++; +		} +		for(; (cnt == 0) && (i < info->portwidth); ++i, ++cp) +			flash_add_byte(info, &cword, (*(uchar *)cp)); +		if((rc = flash_write_cfiword(info, wp, cword)) != 0) +			return rc; +		wp = cp; +	} + +#ifdef CFG_FLASH_USE_BUFFER_WRITE +	while(cnt >= info->portwidth) { +		i = info->buffer_size > cnt? cnt: info->buffer_size; +		if((rc = flash_write_cfibuffer(info, wp, src,i)) != ERR_OK) +			return rc; +		wp += i; +		src += i; +		cnt -=i; +	} +#else +	/* handle the aligned part */ +	while(cnt >= info->portwidth) { +		cword.l = 0; +		for(i = 0; i < info->portwidth; i++) { +			flash_add_byte(info, &cword, *src++); +		} +		if((rc = flash_write_cfiword(info, wp, cword)) != 0) +			return rc; +		wp += info->portwidth; +		cnt -= info->portwidth; +	} +#endif /* CFG_FLASH_USE_BUFFER_WRITE */ +	if (cnt == 0) { +		return (0); +	} + +	/* +	 * handle unaligned tail bytes +	 */ +	cword.l = 0; +	for (i=0, cp=wp; (i<info->portwidth) && (cnt>0); ++i, ++cp) { +		flash_add_byte(info, &cword, *src++); +		--cnt; +	} +	for (; i<info->portwidth; ++i, ++cp) { +		flash_add_byte(info, & cword, (*(uchar *)cp)); +	} + +	return flash_write_cfiword(info, wp, cword); +} + +/*----------------------------------------------------------------------- + */ +int flash_real_protect(flash_info_t *info, long sector, int prot) +{ +	int retcode = 0; + +	flash_write_cmd(info, sector, 0, FLASH_CMD_CLEAR_STATUS); +	flash_write_cmd(info, sector, 0, FLASH_CMD_PROTECT); +	if(prot) +		flash_write_cmd(info, sector, 0, FLASH_CMD_PROTECT_SET); +	else +		flash_write_cmd(info, sector, 0, FLASH_CMD_PROTECT_CLEAR); + +	if((retcode = flash_full_status_check(info, sector, info->erase_blk_tout,  +					 prot?"protect":"unprotect")) == 0) { + +		info->protect[sector] = prot; +		/* Intel's unprotect unprotects all locking */ +		if(prot == 0) { +			int i; +			for(i = 0 ; i<info->sector_count; i++) { +				if(info->protect[i]) +					flash_real_protect(info, i, 1); +			} +		} +	} + +	return retcode; +} +/*----------------------------------------------------------------------- + *  wait for XSR.7 to be set. Time out with an error if it does not. + *  This routine does not set the flash to read-array mode. + */ +static int flash_status_check(flash_info_t * info, ulong sector, ulong tout, char * prompt) +{ +	ulong start; + +	/* Wait for command completion */ +	start = get_timer (0); +	while(!flash_isset(info, sector, 0, FLASH_STATUS_DONE)) { +		if (get_timer(start) > info->erase_blk_tout) { +			printf("Flash %s timeout at address %lx\n", prompt, info->start[sector]); +			flash_write_cmd(info, sector, 0, FLASH_CMD_RESET); +			return ERR_TIMOUT; +		} +	} +	return ERR_OK; +} +/*----------------------------------------------------------------------- + * Wait for XSR.7 to be set, if it times out print an error, otherwise do a full status check. + * This routine sets the flash to read-array mode. + */ +static int flash_full_status_check(flash_info_t * info, ulong sector, ulong tout, char * prompt) +{ +	int retcode; +	retcode = flash_status_check(info, sector, tout, prompt); +	if((retcode == ERR_OK) && !flash_isequal(info,sector, 0, FLASH_STATUS_DONE)) { +		retcode = ERR_INVAL; +		printf("Flash %s error at address %lx\n", prompt,info->start[sector]); +		if(flash_isset(info, sector, 0, FLASH_STATUS_ECLBS | FLASH_STATUS_PSLBS)){ +			printf("Command Sequence Error.\n"); +		} else if(flash_isset(info, sector, 0, FLASH_STATUS_ECLBS)){ +			printf("Block Erase Error.\n"); +		        retcode = ERR_NOT_ERASED; +		} else if (flash_isset(info, sector, 0, FLASH_STATUS_PSLBS)) { +			printf("Locking Error\n"); +		} +		if(flash_isset(info, sector, 0, FLASH_STATUS_DPS)){ +			printf("Block locked.\n"); +			retcode = ERR_PROTECTED; +		} +		if(flash_isset(info, sector, 0, FLASH_STATUS_VPENS)) +			printf("Vpp Low Error.\n"); +	} +	flash_write_cmd(info, sector, 0, FLASH_CMD_RESET); +	return retcode; +} +/*----------------------------------------------------------------------- + */ +static void flash_add_byte(flash_info_t *info, cfiword_t * cword, uchar c) +{ +	switch(info->portwidth) { +	case FLASH_CFI_8BIT: +		cword->c = c; +		break; +	case FLASH_CFI_16BIT: +		cword->w = (cword->w << 8) | c; +		break; +	case FLASH_CFI_32BIT: +		cword->l = (cword->l << 8) | c; +	} +} + + +/*----------------------------------------------------------------------- + * make a proper sized command based on the port and chip widths + */ +static void flash_make_cmd(flash_info_t * info, uchar cmd, void * cmdbuf) +{ +	int i; +	uchar *cp = (uchar *)cmdbuf; +	for(i=0; i< info->portwidth; i++) +		*cp++ = ((i+1) % info->chipwidth) ? '\0':cmd; +} + +/* + * Write a proper sized command to the correct address + */ +static void flash_write_cmd(flash_info_t * info, int sect, uchar offset, uchar cmd) +{ + +	volatile cfiptr_t addr; +	cfiword_t cword; +	addr.cp = flash_make_addr(info, sect, offset); +	flash_make_cmd(info, cmd, &cword); +	switch(info->portwidth) { +	case FLASH_CFI_8BIT: +		*addr.cp = cword.c; +		break; +	case FLASH_CFI_16BIT: +		*addr.wp = cword.w; +		break; +	case FLASH_CFI_32BIT: +		*addr.lp = cword.l; +		break; +	} +} + +/*----------------------------------------------------------------------- + */ +static int flash_isequal(flash_info_t * info, int sect, uchar offset, uchar cmd) +{ +	cfiptr_t cptr; +	cfiword_t cword; +	int retval; +	cptr.cp = flash_make_addr(info, sect, offset); +	flash_make_cmd(info, cmd, &cword); +	switch(info->portwidth) { +	case FLASH_CFI_8BIT: +		retval = (cptr.cp[0] == cword.c); +		break; +	case FLASH_CFI_16BIT: +		retval = (cptr.wp[0] == cword.w); +		break; +	case FLASH_CFI_32BIT: +		retval = (cptr.lp[0] == cword.l); +		break; +	default: +		retval = 0; +		break; +	} +	return retval; +} +/*----------------------------------------------------------------------- + */ +static int flash_isset(flash_info_t * info, int sect, uchar offset, uchar cmd) +{ +	cfiptr_t cptr; +	cfiword_t cword; +	int retval; +	cptr.cp = flash_make_addr(info, sect, offset); +	flash_make_cmd(info, cmd, &cword); +	switch(info->portwidth) { +	case FLASH_CFI_8BIT: +		retval = ((cptr.cp[0] & cword.c) == cword.c); +		break; +	case FLASH_CFI_16BIT: +		retval = ((cptr.wp[0] & cword.w) == cword.w); +		break; +	case FLASH_CFI_32BIT: +		retval = ((cptr.lp[0] & cword.l) == cword.l); +		break; +	default: +		retval = 0; +		break; +	} +	return retval; +} + +/*----------------------------------------------------------------------- + * detect if flash is compatible with the Common Flash Interface (CFI) + * http://www.jedec.org/download/search/jesd68.pdf + * +*/ +static int flash_detect_cfi(flash_info_t * info) +{ + +	for(info->portwidth=FLASH_CFI_8BIT; info->portwidth <= FLASH_CFI_32BIT; +	    info->portwidth <<= 1) { +		for(info->chipwidth =FLASH_CFI_BY8; +		    info->chipwidth <= info->portwidth; +		    info->chipwidth <<= 1) { +			flash_write_cmd(info, 0, 0, FLASH_CMD_RESET); +			flash_write_cmd(info, 0, FLASH_OFFSET_CFI, FLASH_CMD_CFI); +			if(flash_isequal(info, 0, FLASH_OFFSET_CFI_RESP,'Q') && +			   flash_isequal(info, 0, FLASH_OFFSET_CFI_RESP + 1, 'R') && +			   flash_isequal(info, 0, FLASH_OFFSET_CFI_RESP + 2, 'Y')) +				return 1; +		} +	} +	return 0; +} +/* + * The following code cannot be run from FLASH! + * + */ +static ulong flash_get_size (ulong base, int banknum) +{ +	flash_info_t * info = &flash_info[banknum]; +	int i, j; +	int sect_cnt; +	unsigned long sector; +	unsigned long tmp; +	int size_ratio; +	uchar num_erase_regions; +	int  erase_region_size; +	int  erase_region_count; + +	info->start[0] = base; + +	if(flash_detect_cfi(info)){ +#ifdef DEBUG_FLASH +		printf("portwidth=%d chipwidth=%d\n", info->portwidth, info->chipwidth); /* test-only */ +#endif +		size_ratio = info->portwidth / info->chipwidth; +		num_erase_regions = flash_read_uchar(info, FLASH_OFFSET_NUM_ERASE_REGIONS); +#ifdef DEBUG_FLASH +		printf("found %d erase regions\n", num_erase_regions); +#endif +		sect_cnt = 0; +		sector = base; +		for(i = 0 ; i < num_erase_regions; i++) { +			if(i > NUM_ERASE_REGIONS) { +				printf("%d erase regions found, only %d used\n", +				       num_erase_regions, NUM_ERASE_REGIONS); +				break; +			} +			tmp = flash_read_long(info, 0, FLASH_OFFSET_ERASE_REGIONS); +			erase_region_size = (tmp & 0xffff)? ((tmp & 0xffff) * 256): 128; +			tmp >>= 16; +			erase_region_count = (tmp & 0xffff) +1; +			for(j = 0; j< erase_region_count; j++) { +				info->start[sect_cnt] = sector; +				sector += (erase_region_size * size_ratio); +				info->protect[sect_cnt] = flash_isset(info, sect_cnt, FLASH_OFFSET_PROTECT, FLASH_STATUS_PROTECT); +				sect_cnt++; +			} +		} + +		info->sector_count = sect_cnt; +		/* multiply the size by the number of chips */ +		info->size = (1 << flash_read_uchar(info, FLASH_OFFSET_SIZE)) * size_ratio; +		info->buffer_size = (1 << flash_read_ushort(info, 0, FLASH_OFFSET_BUFFER_SIZE)); +		tmp = 1 << flash_read_uchar(info, FLASH_OFFSET_ETOUT); +		info->erase_blk_tout = (tmp * (1 << flash_read_uchar(info, FLASH_OFFSET_EMAX_TOUT))); +		tmp = 1 << flash_read_uchar(info, FLASH_OFFSET_WBTOUT); +		info->buffer_write_tout = (tmp * (1 << flash_read_uchar(info, FLASH_OFFSET_WBMAX_TOUT))); +		tmp = 1 << flash_read_uchar(info, FLASH_OFFSET_WTOUT); +		info->write_tout = (tmp * (1 << flash_read_uchar(info, FLASH_OFFSET_WMAX_TOUT)))/ 1000; +		info->flash_id = FLASH_MAN_CFI; +	} + +	flash_write_cmd(info, 0, 0, FLASH_CMD_RESET); +	return(info->size); +} + + +/*----------------------------------------------------------------------- + */ +static int flash_write_cfiword (flash_info_t *info, ulong dest, cfiword_t cword) +{ + +	cfiptr_t ctladdr; +	cfiptr_t cptr; +	int flag; + +	ctladdr.cp = flash_make_addr(info, 0, 0); +	cptr.cp = (uchar *)dest; + + +	/* Check if Flash is (sufficiently) erased */ +	switch(info->portwidth) { +	case FLASH_CFI_8BIT: +		flag = ((cptr.cp[0] & cword.c) == cword.c); +		break; +	case FLASH_CFI_16BIT: +		flag = ((cptr.wp[0] & cword.w) == cword.w); +		break; +	case FLASH_CFI_32BIT: +		flag = ((cptr.lp[0] & cword.l)	== cword.l); +		break; +	default: +		return 2; +	} +	if(!flag) +		return 2; + +	/* Disable interrupts which might cause a timeout here */ +	flag = disable_interrupts(); + +	flash_write_cmd(info, 0, 0, FLASH_CMD_CLEAR_STATUS); +	flash_write_cmd(info, 0, 0, FLASH_CMD_WRITE); + +	switch(info->portwidth) { +	case FLASH_CFI_8BIT: +		cptr.cp[0] = cword.c; +		break; +	case FLASH_CFI_16BIT: +		cptr.wp[0] = cword.w; +		break; +	case FLASH_CFI_32BIT: +		cptr.lp[0] = cword.l; +		break; +	} + +	/* re-enable interrupts if necessary */ +	if(flag) +		enable_interrupts(); + +	return flash_full_status_check(info, 0, info->write_tout, "write"); +} + +#ifdef CFG_FLASH_USE_BUFFER_WRITE + +/* loop through the sectors from the highest address + * when the passed address is greater or equal to the sector address + * we have a match + */ +static int find_sector(flash_info_t *info, ulong addr) +{ +	int sector; +	for(sector = info->sector_count - 1; sector >= 0; sector--) { +		if(addr >= info->start[sector])  +			break; +	} +	return sector; +} + +static int flash_write_cfibuffer(flash_info_t * info, ulong dest, uchar * cp, int len) +{ +	 +	int sector; +	int cnt; +	int retcode; +	volatile cfiptr_t src; +	volatile cfiptr_t dst; + +	src.cp = cp; +	dst.cp = (uchar *)dest; +	sector = find_sector(info, dest); +	flash_write_cmd(info, sector, 0, FLASH_CMD_CLEAR_STATUS); +	flash_write_cmd(info, sector, 0, FLASH_CMD_WRITE_TO_BUFFER); +	if((retcode = flash_status_check(info, sector, info->buffer_write_tout, +					 "write to buffer")) == ERR_OK) { +		switch(info->portwidth) { +		case FLASH_CFI_8BIT: +			cnt = len; +			break; +		case FLASH_CFI_16BIT: +			cnt = len >> 1; +			break; +		case FLASH_CFI_32BIT: +			cnt = len >> 2; +			break; +		default: +			return ERR_INVAL; +			break; +		} +		flash_write_cmd(info, sector, 0, (uchar)cnt-1); +		while(cnt-- > 0) { +			switch(info->portwidth) { +			case FLASH_CFI_8BIT: +				*dst.cp++ = *src.cp++; +				break; +			case FLASH_CFI_16BIT: +				*dst.wp++ = *src.wp++; +				break; +			case FLASH_CFI_32BIT: +				*dst.lp++ = *src.lp++; +				break; +			default: +				return ERR_INVAL; +				break; +			} +		} +		flash_write_cmd(info, sector, 0, FLASH_CMD_WRITE_BUFFER_CONFIRM); +		retcode = flash_full_status_check(info, sector, info->buffer_write_tout, +					     "buffer write"); +	}  +	flash_write_cmd(info, sector, 0, FLASH_CMD_CLEAR_STATUS); +	return retcode; +}	 +#endif /* CFG_USE_FLASH_BUFFER_WRITE */ diff --git a/board/esd/pmc405/u-boot.lds b/board/esd/pmc405/u-boot.lds new file mode 100644 index 000000000..26675600a --- /dev/null +++ b/board/esd/pmc405/u-boot.lds @@ -0,0 +1,142 @@ +/* + * (C) Copyright 2000, 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 +{ +  .resetvec 0xFFFFFFFC : +  { +    *(.resetvec) +  } = 0xffff + +  /* 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      : +  { +    /* WARNING - the following is hand-optimized to fit within	*/ +    /* the sector layout of our flash chips!	XXX FIXME XXX	*/ + +    cpu/ppc4xx/start.o	(.text) +    cpu/ppc4xx/traps.o	(.text) +    cpu/ppc4xx/interrupts.o	(.text) +    cpu/ppc4xx/serial.o	(.text) +    cpu/ppc4xx/cpu_init.o	(.text) +    cpu/ppc4xx/speed.o	(.text) +    cpu/ppc4xx/405gp_enet.o	(.text) +    common/dlmalloc.o	(.text) +    lib_generic/crc32.o		(.text) +    lib_ppc/extable.o	(.text) +    lib_generic/zlib.o		(.text) + +/*    . = env_offset;*/ +/*    common/environment.o(.text)*/ + +    *(.text) +    *(.fixup) +    *(.got1) +  } +  _etext = .; +  PROVIDE (etext = .); +  .rodata    : +  { +    *(.rodata) +    *(.rodata1) +  } +  .fini      : { *(.fini)    } =0 +  .ctors     : { *(.ctors)   } +  .dtors     : { *(.dtors)   } + +  /* Read-write section, merged into data segment: */ +  . = (. + 0x00FF) & 0xFFFFFF00; +  _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(256); +  __init_begin = .; +  .text.init : { *(.text.init) } +  .data.init : { *(.data.init) } +  . = ALIGN(256); +  __init_end = .; + +  __bss_start = .; +  .bss       : +  { +   *(.sbss) *(.scommon) +   *(.dynbss) +   *(.bss) +   *(COMMON) +  } +  _end = . ; +  PROVIDE (end = .); +} diff --git a/include/configs/PMC405.h b/include/configs/PMC405.h new file mode 100644 index 000000000..6965ebee3 --- /dev/null +++ b/include/configs/PMC405.h @@ -0,0 +1,277 @@ +/* + * (C) Copyright 2001-2003 + * Stefan Roese, esd gmbh germany, stefan.roese@esd-electronics.com + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +/* + * board/config.h - configuration options, board specific + */ + +#ifndef __CONFIG_H +#define __CONFIG_H + +/* + * High Level Configuration Options + * (easy to change) + */ + +#define CONFIG_405GP		1	/* This is a PPC405 CPU		*/ +#define CONFIG_4xx		1	/* ...member of PPC4xx family   */ +#define CONFIG_PMC405		1	/* ...on a PMC405 board 	*/ + +#define CONFIG_BOARD_PRE_INIT   1       /* call board_pre_init()        */ +#define CONFIG_MISC_INIT_R      1       /* call misc_init_r()           */ + +#define CONFIG_SYS_CLK_FREQ     33333333 /* external frequency to pll   */ + +#define CONFIG_BAUDRATE		9600 +#define CONFIG_BOOTDELAY	3	/* autoboot after 3 seconds	*/ + +#undef	CONFIG_BOOTARGS +#define CONFIG_RAMBOOTCOMMAND							\ +	"setenv bootargs root=/dev/ram rw nfsroot=$(serverip):$(rootpath) "	\ +	"ip=$(ipaddr):$(serverip):$(gatewayip):$(netmask):$(hostname)::off;"	\ +	"bootm ffc00000 ffca0000" +#define CONFIG_NFSBOOTCOMMAND							\ +	"setenv bootargs root=/dev/nfs rw nfsroot=$(serverip):$(rootpath) "	\ +	"ip=$(ipaddr):$(serverip):$(gatewayip):$(netmask):$(hostname)::off;"	\ +	"bootm ffc00000" +#define CONFIG_BOOTCOMMAND CONFIG_RAMBOOTCOMMAND + +#define CONFIG_LOADS_ECHO	1	/* echo on for serial download	*/ +#define CFG_LOADS_BAUD_CHANGE	1	/* allow baudrate change	*/ + +#define CONFIG_MII		1	/* MII PHY management		*/ +#define	CONFIG_PHY_ADDR		0	/* PHY address			*/ + +#define CONFIG_COMMANDS	      ( CONFIG_CMD_DFL	| \ +				CFG_CMD_PCI	| \ +				CFG_CMD_IRQ	| \ +				CFG_CMD_ELF	| \ +				CFG_CMD_DATE	| \ +				CFG_CMD_JFFS2	| \ +				CFG_CMD_MII	| \ +				CFG_CMD_I2C	| \ +				CFG_CMD_EEPROM  ) + +#define CONFIG_MAC_PARTITION +#define CONFIG_DOS_PARTITION + +/* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */ +#include <cmd_confdefs.h> + +#undef  CONFIG_WATCHDOG			/* watchdog disabled		*/ + +#define CONFIG_RTC_MC146818             /* DS1685 is MC146818 compatible*/ +#define CFG_RTC_REG_BASE_ADDR	 0xF0000300 /* RTC Base Address         */ + +#define	CONFIG_SDRAM_BANK0	1	/* init onboard SDRAM bank 0	*/ + +/* + * Miscellaneous configurable options + */ +#define CFG_LONGHELP			/* undef to save memory		*/ +#define CFG_PROMPT	"=> "		/* Monitor Command Prompt	*/ + +#undef	CFG_HUSH_PARSER			/* use "hush" command parser	*/ +#ifdef	CFG_HUSH_PARSER +#define	CFG_PROMPT_HUSH_PS2	"> " +#endif + +#if (CONFIG_COMMANDS & CFG_CMD_KGDB) +#define	CFG_CBSIZE	1024		/* Console I/O Buffer Size	*/ +#else +#define	CFG_CBSIZE	256		/* Console I/O Buffer Size	*/ +#endif +#define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */ +#define CFG_MAXARGS	16		/* max number of command args	*/ +#define CFG_BARGSIZE	CFG_CBSIZE	/* Boot Argument Buffer Size	*/ + +#define CFG_DEVICE_NULLDEV      1       /* include nulldev device       */ + +#define CFG_CONSOLE_INFO_QUIET  1       /* don't print console @ startup*/ + +#define CFG_MEMTEST_START	0x0400000	/* memtest works on	*/ +#define CFG_MEMTEST_END		0x0C00000	/* 4 ... 12 MB in DRAM	*/ + +#undef  CFG_EXT_SERIAL_CLOCK           /* no external serial clock used */ +#define CFG_IGNORE_405_UART_ERRATA_59   /* ignore ppc405gp errata #59   */ +#define CFG_BASE_BAUD       691200 + +/* The following table includes the supported baudrates */ +#define CFG_BAUDRATE_TABLE      \ +        { 300, 600, 1200, 2400, 4800, 9600, 19200, 38400,     \ +         57600, 115200, 230400, 460800, 921600 } + +#define CFG_LOAD_ADDR	0x100000	/* default load address */ +#define CFG_EXTBDINFO	1		/* To use extended board_into (bd_t) */ + +#define	CFG_HZ		1000		/* decrementer freq: 1 ms ticks	*/ + +#define CONFIG_ZERO_BOOTDELAY_CHECK	/* check for keypress on bootdelay==0 */ + +/*----------------------------------------------------------------------- + * PCI stuff + *----------------------------------------------------------------------- + */ +#define PCI_HOST_ADAPTER 0              /* configure as pci adapter     */ +#define PCI_HOST_FORCE  1               /* configure as pci host        */ +#define PCI_HOST_AUTO   2               /* detected via arbiter enable  */ + +#define CONFIG_PCI			/* include pci support	        */ +#define CONFIG_PCI_HOST	PCI_HOST_FORCE  /* select pci host function     */ +#define CONFIG_PCI_PNP			/* do pci plug-and-play         */ +                                        /* resource configuration       */ + +#undef CONFIG_PCI_SCAN_SHOW             /* print pci devices @ startup  */ + +#define CFG_PCI_SUBSYS_VENDORID 0x12FE  /* PCI Vendor ID: esd gmbh      */ +#define CFG_PCI_SUBSYS_DEVICEID 0x0408  /* PCI Device ID: PMC-405       */ +#define CFG_PCI_CLASSCODE       0x0b20  /* PCI Class Code: Processor/PPC*/ +#define CFG_PCI_PTM1LA  0x00000000      /* point to sdram               */ +#define CFG_PCI_PTM1MS  0xfc000001      /* 64MB, enable hard-wired to 1 */ +#define CFG_PCI_PTM1PCI 0x00000000      /* Host: use this pci address   */ +#define CFG_PCI_PTM2LA  0xffc00000      /* point to flash               */ +#define CFG_PCI_PTM2MS  0xffc00001      /* 4MB, enable                  */ +#define CFG_PCI_PTM2PCI 0x04000000      /* Host: use this pci address   */ + +/*----------------------------------------------------------------------- + * Start addresses for the final memory configuration + * (Set up by the startup code) + * Please note that CFG_SDRAM_BASE _must_ start at 0 + */ +#define CFG_SDRAM_BASE		0x00000000 +#define CFG_MONITOR_BASE	0xFFFC0000 +#define CFG_MONITOR_LEN		(256 * 1024)	/* Reserve 256 kB for Monitor	*/ +#define CFG_MALLOC_LEN		(128 * 1024)	/* Reserve 128 kB for malloc()	*/ + +/* + * For booting Linux, the board info and command line data + * have to be in the first 8 MB of memory, since this is + * the maximum mapped by the Linux kernel during initialization. + */ +#define CFG_BOOTMAPSZ		(8 << 20)	/* Initial Memory map for Linux */ + +/*----------------------------------------------------------------------- + * FLASH organization + */ +#define CFG_FLASH_CFI		1	/* Flash is CFI conformant		*/ +#define CFG_MAX_FLASH_SECT	128	/* max number of sectors on one chip	*/ +#define CFG_MAX_FLASH_BANKS	2	/* max number of memory banks		*/ +#undef CFG_FLASH_PROTECTION		/* don't use hardware protection	*/ +#define CFG_FLASH_USE_BUFFER_WRITE 1	/* use buffered writes (20x faster)	*/ +#define CFG_FLASH_BASE		0xFE000000 +#define CFG_FLASH_INCREMENT	0x01000000 + +#define CFG_FLASH_EMPTY_INFO            /* print 'E' for empty sector on flinfo */ + +#define CFG_JFFS2_FIRST_BANK    0           /* use for JFFS2 */ +#define CFG_JFFS2_NUM_BANKS     1           /* ! second bank contains u-boot    */ + +/*----------------------------------------------------------------------- + * Environment Variable setup + */ +#define CFG_ENV_IS_IN_EEPROM    1       /* use EEPROM for environment vars */ +#define CFG_ENV_OFFSET          0x000   /* environment starts at the beginning of the EEPROM */ +#define CFG_ENV_SIZE            0x800   /* 2048 bytes may be used for env vars*/ +                                   /* total size of a CAT24WC16 is 2048 bytes */ + +#define CFG_NVRAM_BASE_ADDR	0xF0000500		/* NVRAM base address	*/ +#define CFG_NVRAM_SIZE		242		        /* NVRAM size		*/ + +/*----------------------------------------------------------------------- + * I2C EEPROM (CAT24WC16) for environment + */ +#define CONFIG_HARD_I2C			/* I2c with hardware support */ +#define CFG_I2C_SPEED		400000	/* I2C speed and slave address */ +#define CFG_I2C_SLAVE		0x7F + +#define CFG_I2C_EEPROM_ADDR	0x50	/* EEPROM CAT28WC08		*/ +#define CFG_I2C_EEPROM_ADDR_LEN	1	/* Bytes of address		*/ +/* mask of address bits that overflow into the "EEPROM chip address"    */ +#define CFG_I2C_EEPROM_ADDR_OVERFLOW	0x07 +#define CFG_EEPROM_PAGE_WRITE_BITS 4	/* The Catalyst CAT24WC08 has	*/ +					/* 16 byte page write mode using*/ +					/* last	4 bits of the address	*/ +#define CFG_EEPROM_PAGE_WRITE_DELAY_MS	10   /* and takes up to 10 msec */ +#define CFG_EEPROM_PAGE_WRITE_ENABLE + +/*----------------------------------------------------------------------- + * Cache Configuration + */ +#define CFG_DCACHE_SIZE		16384	/* For IBM 405 CPUs, older 405 ppc's    */ +                                        /* have only 8kB, 16kB is save here     */ +#define CFG_CACHELINE_SIZE	32	/* ...			*/ +#if (CONFIG_COMMANDS & CFG_CMD_KGDB) +#define CFG_CACHELINE_SHIFT	5	/* log base 2 of the above value	*/ +#endif + +/*----------------------------------------------------------------------- + * External Bus Controller (EBC) Setup + */ +#define FLASH0_BA       0xFF000000          /* FLASH 0 Base Address             */ +#define FLASH1_BA       0xFE000000          /* FLASH 1 Base Address             */ +#define CAN_BA          0xF0000000          /* CAN Base Address                 */ +#define RTC_BA          0xF0000500          /* RTC Base Address                 */ +#define CF_BA           0xF0100000          /* CompactFlash Base Address        */ + +/* Memory Bank 0 (Flash Bank 0) initialization                                  */ +#define CFG_EBC_PB0AP   0x92015480 +#define CFG_EBC_PB0CR   FLASH0_BA | 0x9A000 /* BAS=0xFF0,BS=16MB,BU=R/W,BW=16bit*/ + +/* Memory Bank 1 (Flash Bank 1) initialization                                  */ +#define CFG_EBC_PB1AP   0x92015480 +#define CFG_EBC_PB1CR   FLASH1_BA | 0x9A000 /* BAS=0xFE0,BS=16MB,BU=R/W,BW=16bit*/ + +/* Memory Bank 2 (CAN0, 1, RTC) initialization                                  */ +#define CFG_EBC_PB2AP   0x03000040   /* TWT=6,TH=0,CSN=0,OEN=0,WBN=0,WBF=0      */ +#define CFG_EBC_PB2CR   CAN_BA | 0x18000    /* BAS=0xF00,BS=1MB,BU=R/W,BW=8bit  */ + +/* Memory Bank 3 (CompactFlash IDE, FPGA internal) initialization               */ +#define CFG_EBC_PB3AP   0x010059C0   /* BWT=2,WBN=1,WBF=1,TH=1,RE=1,SOR=1,BEM=1 */ +#define CFG_EBC_PB3CR   CF_BA | 0x1A000     /* BAS=0xF01,BS=1MB,BU=R/W,BW=16bit */ + +/*----------------------------------------------------------------------- + * Definitions for initial stack pointer and data area (in data cache) + */ + +/* use on chip memory ( OCM ) for temperary stack until sdram is tested */ +#define CFG_TEMP_STACK_OCM      1 + +/* On Chip Memory location */ +#define CFG_OCM_DATA_ADDR	0xF8000000 +#define CFG_OCM_DATA_SIZE	0x1000 + +#define CFG_INIT_RAM_ADDR	CFG_OCM_DATA_ADDR /* inside of SDRAM		*/ +#define CFG_INIT_RAM_END	CFG_OCM_DATA_SIZE /* End of used area in RAM	*/ +#define CFG_GBL_DATA_SIZE      128  /* size in bytes reserved for initial data */ +#define CFG_GBL_DATA_OFFSET    (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE) +#define CFG_INIT_SP_OFFSET      CFG_GBL_DATA_OFFSET + +/* + * Internal Definitions + * + * Boot Flags + */ +#define BOOTFLAG_COLD	0x01		/* Normal Power-On: Boot from FLASH	*/ +#define BOOTFLAG_WARM	0x02		/* Software reboot			*/ + +#endif	/* __CONFIG_H */ |