diff options
| -rw-r--r-- | board/armltd/integratorap/Makefile | 1 | ||||
| -rw-r--r-- | board/armltd/integratorap/flash.c | 473 | ||||
| -rw-r--r-- | board/armltd/integratorcp/Makefile | 1 | ||||
| -rw-r--r-- | board/armltd/integratorcp/flash.c | 564 | ||||
| -rw-r--r-- | include/configs/integratorap.h | 8 | ||||
| -rw-r--r-- | include/configs/integratorcp.h | 4 | 
6 files changed, 7 insertions, 1044 deletions
| diff --git a/board/armltd/integratorap/Makefile b/board/armltd/integratorap/Makefile index 1af37f3f8..da82f5c0e 100644 --- a/board/armltd/integratorap/Makefile +++ b/board/armltd/integratorap/Makefile @@ -32,7 +32,6 @@ LIB	= $(obj)lib$(BOARD).a  SOBJS-y	:= lowlevel_init.o  COBJS-y	:= integratorap.o -COBJS-y	+= flash.o  COBJS-$(CONFIG_PCI) += pci.o  COBJS-y += timer.o diff --git a/board/armltd/integratorap/flash.c b/board/armltd/integratorap/flash.c deleted file mode 100644 index 0492be762..000000000 --- a/board/armltd/integratorap/flash.c +++ /dev/null @@ -1,473 +0,0 @@ -/* - * (C) Copyright 2001 - * Kyle Harris, Nexus Technologies, Inc. kharris@nexus-tech.net - * - * (C) Copyright 2001-2004 - * Wolfgang Denk, DENX Software Engineering, wd@denx.de. - * - * (C) Copyright 2003 - * Texas Instruments, <www.ti.com> - * Kshitij Gupta <Kshitij@ti.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 <linux/byteorder/swab.h> - -#define PHYS_FLASH_SECT_SIZE	0x00020000	/* 256 KB sectors (x2) */ -flash_info_t flash_info[CONFIG_SYS_MAX_FLASH_BANKS];	/* info for FLASH chips    */ - -/* Board support for 1 or 2 flash devices */ -#undef FLASH_PORT_WIDTH32 -#define FLASH_PORT_WIDTH16 - -#ifdef FLASH_PORT_WIDTH16 -#define FLASH_PORT_WIDTH		ushort -#define FLASH_PORT_WIDTHV		vu_short -#define SWAP(x)			__swab16(x) -#else -#define FLASH_PORT_WIDTH		ulong -#define FLASH_PORT_WIDTHV		vu_long -#define SWAP(x)			__swab32(x) -#endif - -#define FPW	FLASH_PORT_WIDTH -#define FPWV	FLASH_PORT_WIDTHV - -#define mb() __asm__ __volatile__ ("" : : : "memory") - - -/* Flash Organization Structure */ -typedef struct OrgDef { -	unsigned int sector_number; -	unsigned int sector_size; -} OrgDef; - - -/* Flash Organizations */ -OrgDef OrgIntel_28F256L18T[] = { -	{4, 32 * 1024},				/* 4 * 32kBytes sectors */ -	{255, 128 * 1024},			/* 255 * 128kBytes sectors */ -}; - - -/*----------------------------------------------------------------------- - * Functions - */ -unsigned long flash_init (void); -static ulong flash_get_size (FPW * addr, flash_info_t * info); -static int write_data (flash_info_t * info, ulong dest, FPW data); -static void flash_get_offsets (ulong base, flash_info_t * info); -void inline spin_wheel (void); -void flash_print_info (flash_info_t * info); -void flash_unprotect_sectors (FPWV * addr); -int flash_erase (flash_info_t * info, int s_first, int s_last); -int write_buff (flash_info_t * info, uchar * src, ulong addr, ulong cnt); - -/*----------------------------------------------------------------------- - */ - -unsigned long flash_init (void) -{ -	int i; -	ulong size = 0; -	for (i = 0; i < CONFIG_SYS_MAX_FLASH_BANKS; i++) { -		switch (i) { -		case 0: -			flash_get_size ((FPW *) PHYS_FLASH_1, &flash_info[i]); -			flash_get_offsets (PHYS_FLASH_1, &flash_info[i]); -			break; -		default: -			panic ("configured too many flash banks!\n"); -			break; -		} -		size += flash_info[i].size; -	} - -	/* Protect monitor and environment sectors -	 */ -	flash_protect (FLAG_PROTECT_SET, -			CONFIG_SYS_FLASH_BASE, -			CONFIG_SYS_FLASH_BASE + monitor_flash_len - 1, &flash_info[0]); - -	return size; -} - -/*----------------------------------------------------------------------- - */ -static void flash_get_offsets (ulong base, flash_info_t * info) -{ -	int i; -	OrgDef *pOrgDef; - -	pOrgDef = OrgIntel_28F256L18T; -	if (info->flash_id == FLASH_UNKNOWN) { -		return; -	} - -	if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_INTEL) { -		for (i = 0; i < info->sector_count; i++) { -			if (i > 255) { -				info->start[i] = base + (i * 0x8000); -				info->protect[i] = 0; -			} else { -				info->start[i] = base + -						(i * PHYS_FLASH_SECT_SIZE); -				info->protect[i] = 0; -			} -		} -	} -} - -/*----------------------------------------------------------------------- - */ -void flash_print_info (flash_info_t * info) -{ -	int i; - -	if (info->flash_id == FLASH_UNKNOWN) { -		printf ("missing or unknown FLASH type\n"); -		return; -	} - -	switch (info->flash_id & FLASH_VENDMASK) { -	case FLASH_MAN_INTEL: -		printf ("INTEL "); -		break; -	default: -		printf ("Unknown Vendor "); -		break; -	} - -	switch (info->flash_id & FLASH_TYPEMASK) { -	case FLASH_28F256L18T: -		printf ("FLASH 28F256L18T\n"); -		break; -	default: -		printf ("Unknown Chip Type\n"); -		break; -	} - -	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"); -	return; -} - -/* - * The following code cannot be run from FLASH! - */ -static ulong flash_get_size (FPW * addr, flash_info_t * info) -{ -	volatile FPW value; - -	/* Write auto select command: read Manufacturer ID */ -	addr[0x5555] = (FPW) 0x00AA00AA; -	addr[0x2AAA] = (FPW) 0x00550055; -	addr[0x5555] = (FPW) 0x00900090; - -	mb (); -	value = addr[0]; - -	switch (value) { - -	case (FPW) INTEL_MANUFACT: -		info->flash_id = FLASH_MAN_INTEL; -		break; - -	default: -		info->flash_id = FLASH_UNKNOWN; -		info->sector_count = 0; -		info->size = 0; -		addr[0] = (FPW) 0x00FF00FF;	/* restore read mode */ -		return (0);		/* no or unknown flash  */ -	} - -	mb (); -	value = addr[1];	/* device ID        */ -	switch (value) { - -	case (FPW) (INTEL_ID_28F256L18T): -		info->flash_id += FLASH_28F256L18T; -		info->sector_count = 259; -		info->size = 0x02000000; -		break;			/* => 32 MB     */ - -	default: -		info->flash_id = FLASH_UNKNOWN; -		break; -	} - -	if (info->sector_count > CONFIG_SYS_MAX_FLASH_SECT) { -		printf ("** ERROR: sector count %d > max (%d) **\n", -				info->sector_count, CONFIG_SYS_MAX_FLASH_SECT); -		info->sector_count = CONFIG_SYS_MAX_FLASH_SECT; -	} - -	addr[0] = (FPW) 0x00FF00FF;	/* restore read mode */ - -	return (info->size); -} - - -/* unprotects a sector for write and erase - * on some intel parts, this unprotects the entire chip, but it - * wont hurt to call this additional times per sector... - */ -void flash_unprotect_sectors (FPWV * addr) -{ -#define PD_FINTEL_WSMS_READY_MASK    0x0080 - -	*addr = (FPW) 0x00500050;	/* clear status register */ - -	/* this sends the clear lock bit command */ -	*addr = (FPW) 0x00600060; -	*addr = (FPW) 0x00D000D0; -} - - -/*----------------------------------------------------------------------- - */ - -int flash_erase (flash_info_t * info, int s_first, int s_last) -{ -	int flag, prot, sect; -	ulong type, start, 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; -	} - -	type = (info->flash_id & FLASH_VENDMASK); -	if ((type != FLASH_MAN_INTEL)) { -		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"); -	} - - -	start = get_timer (0); -	last = start; - -	/* Disable interrupts which might cause a timeout here */ -	flag = disable_interrupts (); - -	/* Start erase on unprotected sectors */ -	for (sect = s_first; sect <= s_last; sect++) { -		if (info->protect[sect] == 0) {	/* not protected */ -			FPWV *addr = (FPWV *) (info->start[sect]); -			FPW status; - -			printf ("Erasing sector %2d ... ", sect); - -			flash_unprotect_sectors (addr); - -			/* arm simple, non interrupt dependent timer */ -			reset_timer_masked (); - -			*addr = (FPW) 0x00500050;/* clear status register */ -			*addr = (FPW) 0x00200020;/* erase setup */ -			*addr = (FPW) 0x00D000D0;/* erase confirm */ - -			while (((status = -				*addr) & (FPW) 0x00800080) != -				(FPW) 0x00800080) { -					if (get_timer_masked () > -					CONFIG_SYS_FLASH_ERASE_TOUT) { -					printf ("Timeout\n"); -					/* suspend erase     */ -					*addr = (FPW) 0x00B000B0; -					/* reset to read mode */ -					*addr = (FPW) 0x00FF00FF; -					rcode = 1; -					break; -				} -			} - -			/* clear status register cmd.   */ -			*addr = (FPW) 0x00500050; -			*addr = (FPW) 0x00FF00FF;/* resest to read mode */ -			printf (" done\n"); -		} -	} -	return rcode; -} - -/*----------------------------------------------------------------------- - * Copy memory to flash, returns: - * 0 - OK - * 1 - write timeout - * 2 - Flash not erased - * 4 - Flash not identified - */ - -int write_buff (flash_info_t * info, uchar * src, ulong addr, ulong cnt) -{ -	ulong cp, wp; -	FPW data; -	int count, i, l, rc, port_width; - -	if (info->flash_id == FLASH_UNKNOWN) { -		return 4; -	} -/* get lower word aligned address */ -#ifdef FLASH_PORT_WIDTH16 -	wp = (addr & ~1); -	port_width = 2; -#else -	wp = (addr & ~3); -	port_width = 4; -#endif - -	/* -	 * handle unaligned start bytes -	 */ -	if ((l = addr - wp) != 0) { -		data = 0; -		for (i = 0, cp = wp; i < l; ++i, ++cp) { -			data = (data << 8) | (*(uchar *) cp); -		} -		for (; i < port_width && cnt > 0; ++i) { -			data = (data << 8) | *src++; -			--cnt; -			++cp; -		} -		for (; cnt == 0 && i < port_width; ++i, ++cp) { -			data = (data << 8) | (*(uchar *) cp); -		} - -		if ((rc = write_data (info, wp, SWAP (data))) != 0) { -			return (rc); -		} -		wp += port_width; -	} - -	/* -	 * handle word aligned part -	 */ -	count = 0; -	while (cnt >= port_width) { -		data = 0; -		for (i = 0; i < port_width; ++i) { -			data = (data << 8) | *src++; -		} -		if ((rc = write_data (info, wp, SWAP (data))) != 0) { -			return (rc); -		} -		wp += port_width; -		cnt -= port_width; -		if (count++ > 0x800) { -			spin_wheel (); -			count = 0; -		} -	} - -	if (cnt == 0) { -		return (0); -	} - -	/* -	 * handle unaligned tail bytes -	 */ -	data = 0; -	for (i = 0, cp = wp; i < port_width && cnt > 0; ++i, ++cp) { -		data = (data << 8) | *src++; -		--cnt; -	} -	for (; i < port_width; ++i, ++cp) { -		data = (data << 8) | (*(uchar *) cp); -	} - -	return (write_data (info, wp, SWAP (data))); -} - -/*----------------------------------------------------------------------- - * Write a word or halfword to Flash, returns: - * 0 - OK - * 1 - write timeout - * 2 - Flash not erased - */ -static int write_data (flash_info_t * info, ulong dest, FPW data) -{ -	FPWV *addr = (FPWV *) dest; -	ulong status; -	int flag; - -	/* Check if Flash is (sufficiently) erased */ -	if ((*addr & data) != data) { -		printf ("not erased at %08lx (%x)\n", (ulong) addr, *addr); -		return (2); -	} -	flash_unprotect_sectors (addr); -	/* Disable interrupts which might cause a timeout here */ -	flag = disable_interrupts (); -	*addr = (FPW) 0x00400040;	/* write setup */ -	*addr = data; - -	/* arm simple, non interrupt dependent timer */ -	reset_timer_masked (); - -	/* wait while polling the status register */ -	while (((status = *addr) & (FPW) 0x00800080) != (FPW) 0x00800080) { -		if (get_timer_masked () > CONFIG_SYS_FLASH_WRITE_TOUT) { -			*addr = (FPW) 0x00FF00FF;	/* restore read mode */ -			return (1); -		} -	} -	*addr = (FPW) 0x00FF00FF;	/* restore read mode */ -	return (0); -} - -void inline spin_wheel (void) -{ -	static int p = 0; -	static char w[] = "\\/-"; - -	printf ("\010%c", w[p]); -	(++p == 3) ? (p = 0) : 0; -} diff --git a/board/armltd/integratorcp/Makefile b/board/armltd/integratorcp/Makefile index 5e3c6468e..76a85d936 100644 --- a/board/armltd/integratorcp/Makefile +++ b/board/armltd/integratorcp/Makefile @@ -28,7 +28,6 @@ LIB	= $(obj)lib$(BOARD).a  SOBJS	:= lowlevel_init.o  COBJS	:= integratorcp.o -COBJS	+= flash.o  COBJS	+= timer.o  SRCS	:= $(SOBJS:.o=.S) $(COBJS:.o=.c) diff --git a/board/armltd/integratorcp/flash.c b/board/armltd/integratorcp/flash.c deleted file mode 100644 index 5059daeec..000000000 --- a/board/armltd/integratorcp/flash.c +++ /dev/null @@ -1,564 +0,0 @@ -/* - * (C) Copyright 2004 - * Xiaogeng (Shawn) Jin, Agilent Technologies, xiaogeng_jin@agilent.com - * - * (C) Copyright 2001 - * Kyle Harris, Nexus Technologies, Inc. kharris@nexus-tech.net - * - * (C) Copyright 2001-2004 - * Wolfgang Denk, DENX Software Engineering, wd@denx.de. - * - * (C) Copyright 2003 - * Texas Instruments, <www.ti.com> - * Kshitij Gupta <Kshitij@ti.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 <linux/byteorder/swab.h> - -#define DEBUG - -#define PHYS_FLASH_SECT_SIZE	0x00040000	/* 256 KB sectors (x2) */ -flash_info_t flash_info[CONFIG_SYS_MAX_FLASH_BANKS];	/* info for FLASH chips */ - -/* Board support for 1 or 2 flash devices */ -#define FLASH_PORT_WIDTH32 -#undef FLASH_PORT_WIDTH16 - -#ifdef FLASH_PORT_WIDTH16 -#define FLASH_PORT_WIDTH	ushort -#define FLASH_PORT_WIDTHV	vu_short -#define SWAP(x)			__swab16(x) -#else -#define FLASH_PORT_WIDTH	ulong -#define FLASH_PORT_WIDTHV	vu_long -#define SWAP(x)			__swab32(x) -#endif - -#define FPW	FLASH_PORT_WIDTH -#define FPWV	FLASH_PORT_WIDTHV - -#define mb() __asm__ __volatile__ ("" : : : "memory") - - -/* Flash Organization Structure */ -typedef struct OrgDef { -	unsigned int sector_number; -	unsigned int sector_size; -} OrgDef; - - -/* Flash Organizations */ -OrgDef OrgIntel_28F256L18T[] = { -	{4, 32 * 1024},				/* 4 * 32kBytes sectors */ -	{255, 128 * 1024},			/* 255 * 128kBytes sectors */ -}; - -/* CP control register base address */ -#define CPCR_BASE		0xCB000000 -#define CPCR_EXTRABANK		0x8 -#define CPCR_FLASHSIZE		0x4 -#define CPCR_FLWREN		0x2 -#define CPCR_FLVPPEN		0x1 - -/*----------------------------------------------------------------------- - * Functions - */ -unsigned long flash_init (void); -static ulong flash_get_size (FPW * addr, flash_info_t * info); -static int write_data (flash_info_t * info, ulong dest, FPW data); -static void flash_get_offsets (ulong base, flash_info_t * info); -void inline spin_wheel (void); -void flash_print_info (flash_info_t * info); -void flash_unprotect_sectors (FPWV * addr); -int flash_erase (flash_info_t * info, int s_first, int s_last); -int write_buff (flash_info_t * info, uchar * src, ulong addr, ulong cnt); - -/*----------------------------------------------------------------------- - */ -unsigned long flash_init (void) -{ -	int i, nbanks; -	ulong size = 0; -	vu_long *cpcr = (vu_long *)CPCR_BASE; - -	/* Check if there is an extra bank of flash */ -	if (cpcr[1] & CPCR_EXTRABANK) -		nbanks = 2; -	else -		nbanks = 1; - -	if (nbanks > CONFIG_SYS_MAX_FLASH_BANKS) -		nbanks = CONFIG_SYS_MAX_FLASH_BANKS; - -	/* Enable flash write */ -	cpcr[1] |= 3; - -	for (i = 0; i < nbanks; i++) { -		flash_get_size ((FPW *)(CONFIG_SYS_FLASH_BASE + size), &flash_info[i]); -		flash_get_offsets (CONFIG_SYS_FLASH_BASE + size, &flash_info[i]); -		size += flash_info[i].size; -	} - -#if CONFIG_SYS_MONITOR_BASE >= CONFIG_SYS_FLASH_BASE -	/* monitor protection */ -	flash_protect (FLAG_PROTECT_SET, -		       CONFIG_SYS_MONITOR_BASE, -		       CONFIG_SYS_MONITOR_BASE + monitor_flash_len - 1, &flash_info[0]); -#endif - -#ifdef CONFIG_ENV_IS_IN_FLASH -	/* ENV protection ON */ -	flash_protect(FLAG_PROTECT_SET, -		      CONFIG_ENV_ADDR, -		      CONFIG_ENV_ADDR + CONFIG_ENV_SECT_SIZE - 1, -		      &flash_info[0]); -#endif - -	/* Protect SIB (0x24800000) and bootMonitor (0x24c00000) */ -	flash_protect (FLAG_PROTECT_SET, -		       flash_info[0].start[62], -		       flash_info[0].start[63] + PHYS_FLASH_SECT_SIZE - 1, -		       &flash_info[0]); - -	return size; -} - -/*----------------------------------------------------------------------- - */ -static void flash_get_offsets (ulong base, flash_info_t * info) -{ -	int i; - -	if (info->flash_id == FLASH_UNKNOWN) { -		return; -	} - -	if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_INTEL) { -		for (i = 0; i < info->sector_count; i++) { -			info->start[i] = base +	(i * PHYS_FLASH_SECT_SIZE); -			info->protect[i] = 0; -		} -	} -} - -/*----------------------------------------------------------------------- - */ -void flash_print_info (flash_info_t * info) -{ -	int i; - -	if (info->flash_id == FLASH_UNKNOWN) { -		printf ("missing or unknown FLASH type\n"); -		return; -	} - -	switch (info->flash_id & FLASH_VENDMASK) { -	case FLASH_MAN_INTEL: -		printf ("INTEL "); -		break; -	default: -		printf ("Unknown Vendor "); -		break; -	} - -	/* Integrator CP board uses 28F640J3C or 28F128J3C parts, -	 * which have the same device id numbers as 28F640J3A or -	 * 28F128J3A -	 */ -	switch (info->flash_id & FLASH_TYPEMASK) { -	case FLASH_28F256L18T: -		printf ("FLASH 28F256L18T\n"); -		break; -	case FLASH_28F640J3A: -		printf ("FLASH 28F640J3C\n"); -		break; -	case FLASH_28F128J3A: -		printf ("FLASH 28F128J3C\n"); -		break; -	default: -		printf ("Unknown Chip Type\n"); -		break; -	} - -	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"); -	return; -} - -/* - * The following code cannot be run from FLASH! - */ -static ulong flash_get_size (FPW * addr, flash_info_t * info) -{ -	volatile FPW value; -	vu_long *cpcr = (vu_long *)CPCR_BASE; -	int nsects; - -	/* Check the flash size */ -	if (cpcr[1] & CPCR_FLASHSIZE) -		nsects = 128; -	else -		nsects = 64; - -	if (nsects > CONFIG_SYS_MAX_FLASH_SECT) -		nsects = CONFIG_SYS_MAX_FLASH_SECT; - -	/* Write auto select command: read Manufacturer ID */ -	addr[0x5555] = (FPW) 0x00AA00AA; -	addr[0x2AAA] = (FPW) 0x00550055; -	addr[0x5555] = (FPW) 0x00900090; - -	mb (); -	value = addr[0]; - -	switch (value) { - -	case (FPW) INTEL_MANUFACT: -		info->flash_id = FLASH_MAN_INTEL; -		break; - -	default: -		info->flash_id = FLASH_UNKNOWN; -		info->sector_count = 0; -		info->size = 0; -		addr[0] = (FPW) 0x00FF00FF; /* restore read mode */ -		return (0); /* no or unknown flash */ -	} - -	mb (); -	value = addr[1]; /* device ID */ -	switch (value) { - -	case (FPW) (INTEL_ID_28F256L18T): -		info->flash_id += FLASH_28F256L18T; -		info->sector_count = 259; -		info->size = 0x02000000; -		break;			/* => 32 MB */ - -	case (FPW) (INTEL_ID_28F640J3A): -		info->flash_id += FLASH_28F640J3A; -		info->sector_count = nsects; -		info->size = nsects * PHYS_FLASH_SECT_SIZE; -		break; - -	case (FPW) (INTEL_ID_28F128J3A): -		info->flash_id += FLASH_28F128J3A; -		info->sector_count = nsects; -		info->size = nsects * PHYS_FLASH_SECT_SIZE; -		break; - -	default: -		info->flash_id = FLASH_UNKNOWN; -		break; -	} - -	if (info->sector_count > CONFIG_SYS_MAX_FLASH_SECT) { -		printf ("** ERROR: sector count %d > max (%d) **\n", -				info->sector_count, CONFIG_SYS_MAX_FLASH_SECT); -		info->sector_count = CONFIG_SYS_MAX_FLASH_SECT; -	} - -	addr[0] = (FPW) 0x00FF00FF;	/* restore read mode */ - -	return (info->size); -} - - -/* unprotects a sector for write and erase - * on some intel parts, this unprotects the entire chip, but it - * wont hurt to call this additional times per sector... - */ -void flash_unprotect_sectors (FPWV * addr) -{ -	FPW status; - -	*addr = (FPW) 0x00500050;	/* clear status register */ - -	/* this sends the clear lock bit command */ -	*addr = (FPW) 0x00600060; -	*addr = (FPW) 0x00D000D0; - -	reset_timer_masked(); -	while (((status = *addr) & (FPW)0x00800080) != 0x00800080) { -		if (get_timer_masked() > CONFIG_SYS_FLASH_ERASE_TOUT) { -			printf("Timeout"); -			break; -		} -	} - -	*addr = (FPW) 0x00FF00FF; -} - - -/*----------------------------------------------------------------------- - */ -int flash_erase (flash_info_t * info, int s_first, int s_last) -{ -	int flag, prot, sect; -	ulong type; -	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; -	} - -	type = (info->flash_id & FLASH_VENDMASK); -	if ((type != FLASH_MAN_INTEL)) { -		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"); -	} - -	/* Start erase on unprotected sectors */ -	for (sect = s_first; sect <= s_last; sect++) { -		if (info->protect[sect] == 0) {	/* not protected */ -			FPWV *addr = (FPWV *) (info->start[sect]); -			FPW status; - -			printf ("Erasing sector %2d ... ", sect); - -			/* Disable interrupts which might cause a timeout here */ -			flag = disable_interrupts (); - -			/* flash_unprotect_sectors (addr); */ - -			/* arm simple, non interrupt dependent timer */ -			reset_timer_masked (); - -			*addr = (FPW) 0x00500050; /* clear status register */ -			*addr = (FPW) 0x00200020; /* erase setup */ -			*addr = (FPW) 0x00D000D0; /* erase confirm */ -			mb(); - -			udelay(1000); /* Let's wait 1 ms */ - -			/* re-enable interrupts if necessary */ -			if (flag) -				enable_interrupts(); - -			while (((status = *addr) & (FPW) 0x00800080) != (FPW) 0x00800080) { -				if (get_timer_masked () > CONFIG_SYS_FLASH_ERASE_TOUT) { -					*addr = (FPW)0x00700070; -					status = *addr; -					if ((status & (FPW) 0x00400040) == (FPW) 0x00400040) { -						/* erase suspended? Resume it */ -						reset_timer_masked(); -						*addr = (FPW) 0x00D000D0; -					} else { -#ifdef DEBUG -						printf ("Timeout,0x%08lx\n", status); -#else -						printf("Timeout\n"); -#endif - -						*addr = (FPW) 0x00500050; -						*addr = (FPW) 0x00FF00FF; /* reset to read mode */ -						rcode = 1; -						break; -					} -				} -			} - -			*addr = (FPW) 0x00FF00FF; /* resest to read mode */ -			printf (" done\n"); -		} -	} - -	return rcode; -} - -/*----------------------------------------------------------------------- - * Copy memory to flash, returns: - * 0 - OK - * 1 - write timeout - * 2 - Flash not erased - * 4 - Flash not identified - */ -int write_buff (flash_info_t * info, uchar * src, ulong addr, ulong cnt) -{ -	ulong cp, wp; -	FPW data; -	int count, i, l, rc, port_width; - -	if (info->flash_id == FLASH_UNKNOWN) { -		return 4; -	} -/* get lower word aligned address */ -#ifdef FLASH_PORT_WIDTH16 -	wp = (addr & ~1); -	port_width = 2; -#else -	wp = (addr & ~3); -	port_width = 4; -#endif - -	/* -	 * handle unaligned start bytes -	 */ -	if ((l = addr - wp) != 0) { -		data = 0; -		for (i = 0, cp = wp; i < l; ++i, ++cp) { -			data = (data << 8) | (*(uchar *) cp); -		} -		for (; i < port_width && cnt > 0; ++i) { -			data = (data << 8) | *src++; -			--cnt; -			++cp; -		} -		for (; cnt == 0 && i < port_width; ++i, ++cp) { -			data = (data << 8) | (*(uchar *) cp); -		} - -		if ((rc = write_data (info, wp, SWAP (data))) != 0) { -			return (rc); -		} -		wp += port_width; -	} - -	/* -	 * handle word aligned part -	 */ -	count = 0; -	while (cnt >= port_width) { -		data = 0; -		for (i = 0; i < port_width; ++i) { -			data = (data << 8) | *src++; -		} -		if ((rc = write_data (info, wp, SWAP (data))) != 0) { -			return (rc); -		} -		wp += port_width; -		cnt -= port_width; -		if (count++ > 0x800) { -			spin_wheel (); -			count = 0; -		} -	} - -	if (cnt == 0) { -		return (0); -	} - -	/* -	 * handle unaligned tail bytes -	 */ -	data = 0; -	for (i = 0, cp = wp; i < port_width && cnt > 0; ++i, ++cp) { -		data = (data << 8) | *src++; -		--cnt; -	} -	for (; i < port_width; ++i, ++cp) { -		data = (data << 8) | (*(uchar *) cp); -	} - -	return (write_data (info, wp, SWAP (data))); -} - -/*----------------------------------------------------------------------- - * Write a word or halfword to Flash, returns: - * 0 - OK - * 1 - write timeout - * 2 - Flash not erased - */ -static int write_data (flash_info_t * info, ulong dest, FPW data) -{ -	FPWV *addr = (FPWV *) dest; -	ulong status; -	int flag; - -	/* Check if Flash is (sufficiently) erased */ -	if ((*addr & data) != data) { -		printf ("not erased at %08lx (%lx)\n", (ulong) addr, *addr); -		return (2); -	} - -	/* Disable interrupts which might cause a timeout here */ -	flag = disable_interrupts (); - -	/* flash_unprotect_sectors (addr); */ - -	*addr = (FPW) 0x00400040;	/* write setup */ -	*addr = data; - -	mb(); - -	/* re-enable interrupts if necessary */ -	if (flag) -		enable_interrupts(); - -	/* arm simple, non interrupt dependent timer */ -	reset_timer_masked (); - -	/* wait while polling the status register */ -	while (((status = *addr) & (FPW) 0x00800080) != (FPW) 0x00800080) { -		if (get_timer_masked () > CONFIG_SYS_FLASH_WRITE_TOUT) { -#ifdef DEBUG -			*addr = (FPW) 0x00700070; -			status = *addr; -			printf("## status=0x%08lx, addr=0x%p\n", status, addr); -#endif -			*addr = (FPW) 0x00500050; /* clear status register cmd */ -			*addr = (FPW) 0x00FF00FF; /* restore read mode */ -			return (1); -		} -	} - -	*addr = (FPW) 0x00FF00FF; /* restore read mode */ -	return (0); -} - -void inline spin_wheel (void) -{ -	static int p = 0; -	static char w[] = "\\/-"; - -	printf ("\010%c", w[p]); -	(++p == 3) ? (p = 0) : 0; -} diff --git a/include/configs/integratorap.h b/include/configs/integratorap.h index 09270ff0a..e0e825834 100644 --- a/include/configs/integratorap.h +++ b/include/configs/integratorap.h @@ -122,21 +122,21 @@  #define PHYS_SDRAM_1		0x00000000	/* SDRAM Bank #1 */  #define PHYS_SDRAM_1_SIZE	0x02000000	/* 32 MB */ -#define CONFIG_SYS_FLASH_BASE		0x24000000 +#define CONFIG_SYS_FLASH_BASE	0x24000000  /*-----------------------------------------------------------------------   * FLASH and environment organization   */ +#define CONFIG_SYS_FLASH_CFI		1 +#define CONFIG_FLASH_CFI_DRIVER		1  #define CONFIG_ENV_IS_NOWHERE  #define CONFIG_SYS_MAX_FLASH_BANKS	1		/* max number of memory banks */ -#define PHYS_FLASH_SIZE		0x01000000	/* 16MB */  /* timeout values are in ticks */  #define CONFIG_SYS_FLASH_ERASE_TOUT	(2*CONFIG_SYS_HZ)	/* Timeout for Flash Erase */  #define CONFIG_SYS_FLASH_WRITE_TOUT	(2*CONFIG_SYS_HZ)	/* Timeout for Flash Write */  #define CONFIG_SYS_MAX_FLASH_SECT	128 -#define CONFIG_ENV_SIZE		32768 +#define CONFIG_ENV_SIZE			32768 -#define PHYS_FLASH_1		(CONFIG_SYS_FLASH_BASE)  /*-----------------------------------------------------------------------   * PCI definitions diff --git a/include/configs/integratorcp.h b/include/configs/integratorcp.h index b4219d03e..e38d56910 100644 --- a/include/configs/integratorcp.h +++ b/include/configs/integratorcp.h @@ -155,9 +155,11 @@ SIB at Block62 End Block62 address 0x24f80000   */  #define CONFIG_SYS_FLASH_BASE		0x24000000 +#define CONFIG_SYS_FLASH_CFI		1 +#define CONFIG_FLASH_CFI_DRIVER		1  #define CONFIG_SYS_MAX_FLASH_SECT	64  #define CONFIG_SYS_MAX_FLASH_BANKS	1		/* max number of memory banks */ -#define PHYS_FLASH_SIZE		0x01000000	/* 16MB */ +#define PHYS_FLASH_SIZE			0x01000000	/* 16MB */  #define CONFIG_SYS_FLASH_ERASE_TOUT	(2*CONFIG_SYS_HZ)	/* Timeout for Flash Erase */  #define CONFIG_SYS_FLASH_WRITE_TOUT	(2*CONFIG_SYS_HZ)	/* Timeout for Flash Write */ |