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| author | Wolfgang Denk <wd@denx.de> | 2011-08-26 02:25:33 +0000 | 
|---|---|---|
| committer | Albert ARIBAUD <albert.u.boot@aribaud.net> | 2011-09-04 11:36:13 +0200 | 
| commit | be288570727fe37543a74b8c5469bbbb01a3d980 (patch) | |
| tree | 5989449f0123cfe2f272aef0baf6d3c957656e1b /board/armadillo/flash.c | |
| parent | c91e90db8c3f4abbe28d7ec196b2499234ec8d68 (diff) | |
| download | olio-uboot-2014.01-be288570727fe37543a74b8c5469bbbb01a3d980.tar.xz olio-uboot-2014.01-be288570727fe37543a74b8c5469bbbb01a3d980.zip | |
ARM: remove broken "armadillo" board
Signed-off-by: Wolfgang Denk <wd@denx.de>
Cc: Rowel Atienza <rowel@diwalabs.com>
Diffstat (limited to 'board/armadillo/flash.c')
| -rw-r--r-- | board/armadillo/flash.c | 340 | 
1 files changed, 0 insertions, 340 deletions
| diff --git a/board/armadillo/flash.c b/board/armadillo/flash.c deleted file mode 100644 index cf7d7f6a6..000000000 --- a/board/armadillo/flash.c +++ /dev/null @@ -1,340 +0,0 @@ -/* - * (C) Copyright 2002 - * Sysgo Real-Time Solutions, GmbH <www.elinos.com> - * Marius Groeger <mgroeger@sysgo.de> - * - * (C) Copyright 2005 Rowel Atienza <rowel@diwalabs.com> - * Flash driver for armadillo board HT1070 - * - * 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> - -#define FLASH_BANK_SIZE 0x400000 - -/*value used by hermit is 0x200*/ -/*document says sector size is either 64k in low mem reg and 8k in high mem reg*/ -#define MAIN_SECT_SIZE  0x10000 - -#define UNALIGNED_MASK (3) -#define FL_WORD(addr) (*(volatile unsigned short*)(addr)) -#define FLASH_TIMEOUT 20000000 - -flash_info_t flash_info[CONFIG_SYS_MAX_FLASH_BANKS]; - -/*----------------------------------------------------------------------- - */ - -ulong flash_init (void) -{ -	int i, j; -	ulong size = 0; - -	for (i = 0; i < CONFIG_SYS_MAX_FLASH_BANKS; i++) { -		ulong flashbase = 0; - -		flash_info[i].flash_id = (FUJ_MANUFACT & FLASH_VENDMASK); -		/*(INTEL_ID_28F128J3 & FLASH_TYPEMASK); */ -		flash_info[i].size = FLASH_BANK_SIZE; -		flash_info[i].sector_count = CONFIG_SYS_MAX_FLASH_SECT; -		memset (flash_info[i].protect, 0, CONFIG_SYS_MAX_FLASH_SECT); -		if (i == 0) -			flashbase = PHYS_FLASH_1; -		else -			panic ("configured too many flash banks!\n"); -		for (j = 0; j < flash_info[i].sector_count; j++) { -			flash_info[i].start[j] = -				flashbase + j * MAIN_SECT_SIZE; -		} -		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]); - -	flash_protect (FLAG_PROTECT_SET, -		       CONFIG_ENV_ADDR, -		       CONFIG_ENV_ADDR + CONFIG_ENV_SIZE - 1, &flash_info[0]); - -	return size; -} - -/*----------------------------------------------------------------------- - */ -void flash_print_info (flash_info_t * info) -{ -	int i; - -	switch (info->flash_id & FLASH_VENDMASK) { -	case (FUJ_MANUFACT & FLASH_VENDMASK): -		printf ("Fujitsu: "); -		break; -	default: -		printf ("Unknown Vendor "); -		break; -	} -/* -	switch (info->flash_id & FLASH_TYPEMASK) { -	case (INTEL_ID_28F128J3 & FLASH_TYPEMASK): -		printf ("28F128J3 (128Mbit)\n"); -		break; -	default: -		printf ("Unknown Chip Type\n"); -		goto Done; -		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"); - -/* -Done:	; -*/ -} - -/* - *  * Loop until both write state machines complete. - *   */ -static unsigned short flash_status_wait (unsigned long addr, -					 unsigned short value) -{ -	unsigned short status; -	long timeout = FLASH_TIMEOUT; - -	while (((status = (FL_WORD (addr))) != value) && timeout > 0) { -		timeout--; -	} -	return status; -} - -/* - * Loop until the Write State machine is ready, then do a full error - * check.  Clear status and leave the flash in Read Array mode; return - * 0 for no error, -1 for error. - */ -static int flash_status_full_check (unsigned long addr, unsigned short value1, -				    unsigned short value2) -{ -	unsigned short status1, status2; - -	status1 = flash_status_wait (addr, value1); -	status2 = flash_status_wait (addr + 2, value2); -	return (status1 != value1 || status2 != value2) ? -1 : 0; -} - -/*----------------------------------------------------------------------- - */ - -int flash_erase (flash_info_t * info, int s_first, int s_last) -{ -	int flag, prot, sect; -	int rc = ERR_OK; -	unsigned long base; -	unsigned long addr; -	ulong start; - -	if ((info->flash_id & FLASH_VENDMASK) != -	    (FUJ_MANUFACT & FLASH_VENDMASK)) { -		return ERR_UNKNOWN_FLASH_VENDOR; -	} - -	prot = 0; -	for (sect = s_first; sect <= s_last; ++sect) { -		if (info->protect[sect]) { -			prot++; -		} -	} -	if (prot) -		return ERR_PROTECTED; - -	/* -	 * Disable interrupts which might cause a timeout -	 * here. Remember that our exception vectors are -	 * at address 0 in the flash, and we don't want a -	 * (ticker) exception to happen while the flash -	 * chip is in programming mode. -	 */ -	flag = disable_interrupts (); - -	printf ("Erasing %d sectors starting at sector %2d.\n" -		"This make take some time ... ", -		s_last - s_first, sect); -	/* Start erase on unprotected sectors */ -	for (sect = s_first; sect <= s_last && !ctrlc (); sect++) { -		/* ARM simple, non interrupt dependent timer */ -		start = get_timer(0); - -		if (info->protect[sect] == 0) {	/* not protected */ - -			addr = sect * MAIN_SECT_SIZE; -			addr &= ~(unsigned long) UNALIGNED_MASK;	/* word align */ -			base = addr & 0xF0000000; - -			FL_WORD (base + (0x555 << 1)) = 0xAA; -			FL_WORD (base + (0x2AA << 1)) = 0x55; -			FL_WORD (base + (0x555 << 1)) = 0x80; -			FL_WORD (base + (0x555 << 1)) = 0xAA; -			FL_WORD (base + (0x2AA << 1)) = 0x55; -			FL_WORD (addr) = 0x30; -			if (flash_status_full_check (addr, 0xFFFF, 0xFFFF)) -				return ERR_PROTECTED; -		} -	} -	printf ("\nDone.\n"); -	if (ctrlc ()) -		printf ("User Interrupt!\n"); - -	/* allow flash to settle - wait 10 ms */ -	udelay_masked (10000); - -	if (flag) -		enable_interrupts (); - -	return rc; -} - - -/*----------------------------------------------------------------------- - * Copy memory to flash - */ - -static int write_word (flash_info_t * info, ulong dest, ushort data) -{ -	int flag; -	unsigned long base; -	ulong start; - -	/* Check if Flash is (sufficiently) erased -	 */ -	if ((FL_WORD (dest) & data) != data) -		return ERR_NOT_ERASED; - -	/*if(dest & UNALIGNED_MASK) return ERR_ALIGN; */ - -	/* -	 * Disable interrupts which might cause a timeout -	 * here. Remember that our exception vectors are -	 * at address 0 in the flash, and we don't want a -	 * (ticker) exception to happen while the flash -	 * chip is in programming mode. -	 */ -	flag = disable_interrupts (); - -	/* arm simple, non interrupt dependent timer */ -	start = get_timer(0); - -	base = dest & 0xF0000000; -	FL_WORD (base + (0x555 << 1)) = 0xAA; -	FL_WORD (base + (0x2AA << 1)) = 0x55; -	FL_WORD (base + (0x555 << 1)) = 0xA0; -	FL_WORD (dest) = data; -	/*printf("writing 0x%p = 0x%x\n",dest,data); */ -	if (flash_status_wait (dest, data) != data) -		return ERR_PROG_ERROR; - -	if (flag) -		enable_interrupts (); - -	return ERR_OK; -} - -/*----------------------------------------------------------------------- - * Copy memory to flash. - */ - -int write_buff (flash_info_t * info, uchar * src, ulong addr, ulong cnt) -{ -	ulong cp, wp; -	ushort data; -	int l; -	int i, rc; - -	wp = (addr & ~1);	/* get lower word aligned address */ -	printf ("Writing %lu short data to 0x%lx from 0x%p.\n ", cnt, wp, src); - -	/* -	 * 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 << 8); -		} -		for (; i < 2 && cnt > 0; ++i) { -			data = (data >> 8) | (*src++ << 8); -			--cnt; -			++cp; -		} -		for (; cnt == 0 && i < 2; ++i, ++cp) { -			data = (data >> 8) | (*(uchar *) cp << 8); -		} - -		if ((rc = write_word (info, wp, data)) != 0) { -			return (rc); -		} -		wp += 2; -	} - -	/* -	 * handle word aligned part -	 */ -	while (cnt >= 2) { -		data = *((vu_short *) src); -		if ((rc = write_word (info, wp, data)) != 0) { -			return (rc); -		} -		src += 2; -		wp += 2; -		cnt -= 2; -	} - -	if (cnt == 0) { -		printf ("\nDone.\n"); -		return ERR_OK; -	} - -	/* -	 * handle unaligned tail bytes -	 */ -	data = 0; -	for (i = 0, cp = wp; i < 2 && cnt > 0; ++i, ++cp) { -		data = (data >> 8) | (*src++ << 8); -		--cnt; -	} -	for (; i < 2; ++i, ++cp) { -		data = (data >> 8) | (*(uchar *) cp << 8); -	} - -	return write_word (info, wp, data); -} |