diff options
Diffstat (limited to 'board/amcc/walnut/flash.c')
| -rw-r--r-- | board/amcc/walnut/flash.c | 183 |
1 files changed, 0 insertions, 183 deletions
diff --git a/board/amcc/walnut/flash.c b/board/amcc/walnut/flash.c deleted file mode 100644 index cc0f4254a4..0000000000 --- a/board/amcc/walnut/flash.c +++ /dev/null @@ -1,183 +0,0 @@ -/* - * (C) Copyright 2000-2005 - * Wolfgang Denk, DENX Software Engineering, wd@denx.de. - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -/* - * Modified 4/5/2001 - * Wait for completion of each sector erase command issued - * 4/5/2001 - * Chris Hallinan - DS4.COM, Inc. - clh@net1plus.com - */ - -#include <common.h> -#include <asm/ppc4xx.h> -#include <asm/processor.h> - -#undef DEBUG -#ifdef DEBUG -#define DEBUGF(x...) printf(x) -#else -#define DEBUGF(x...) -#endif /* DEBUG */ - -/* - * include common flash code (for amcc boards) - */ -#include "../common/flash.c" - -/*----------------------------------------------------------------------- - * Functions - */ -static ulong flash_get_size(vu_long * addr, flash_info_t * info); -static void flash_get_offsets(ulong base, flash_info_t * info); - -unsigned long flash_init(void) -{ - unsigned long size_b0, size_b1; - int i; - uint pbcr; - unsigned long base_b0, base_b1; - - /* Init: no FLASHes known */ - for (i = 0; i < CONFIG_SYS_MAX_FLASH_BANKS; ++i) { - flash_info[i].flash_id = FLASH_UNKNOWN; - } - - /* Static FLASH Bank configuration here - FIXME XXX */ - - size_b0 = - flash_get_size((vu_long *) FLASH_BASE0_PRELIM, &flash_info[0]); - - if (flash_info[0].flash_id == FLASH_UNKNOWN) { - printf("## Unknown FLASH on Bank 0 - Size = 0x%08lx = %ld MB\n", - size_b0, size_b0 << 20); - } - - /* Only one bank */ - if (CONFIG_SYS_MAX_FLASH_BANKS == 1) { - /* Setup offsets */ - flash_get_offsets(FLASH_BASE0_PRELIM, &flash_info[0]); - - /* Monitor protection ON by default */ - (void)flash_protect(FLAG_PROTECT_SET, - CONFIG_SYS_MONITOR_BASE, - CONFIG_SYS_MONITOR_BASE + CONFIG_SYS_MONITOR_LEN - 1, - &flash_info[0]); -#ifdef CONFIG_ENV_IS_IN_FLASH - (void)flash_protect(FLAG_PROTECT_SET, CONFIG_ENV_ADDR, - CONFIG_ENV_ADDR + CONFIG_ENV_SECT_SIZE - 1, - &flash_info[0]); - (void)flash_protect(FLAG_PROTECT_SET, CONFIG_ENV_ADDR_REDUND, - CONFIG_ENV_ADDR_REDUND + CONFIG_ENV_SECT_SIZE - 1, - &flash_info[0]); -#endif - - size_b1 = 0; - flash_info[0].size = size_b0; - } else { - /* 2 banks */ - size_b1 = - flash_get_size((vu_long *) FLASH_BASE1_PRELIM, - &flash_info[1]); - - /* Re-do sizing to get full correct info */ - - if (size_b1) { - mtdcr(EBC0_CFGADDR, PB0CR); - pbcr = mfdcr(EBC0_CFGDATA); - mtdcr(EBC0_CFGADDR, PB0CR); - base_b1 = -size_b1; - pbcr = - (pbcr & 0x0001ffff) | base_b1 | - (((size_b1 / 1024 / 1024) - 1) << 17); - mtdcr(EBC0_CFGDATA, pbcr); - /* printf("PB1CR = %x\n", pbcr); */ - } - - if (size_b0) { - mtdcr(EBC0_CFGADDR, PB1CR); - pbcr = mfdcr(EBC0_CFGDATA); - mtdcr(EBC0_CFGADDR, PB1CR); - base_b0 = base_b1 - size_b0; - pbcr = - (pbcr & 0x0001ffff) | base_b0 | - (((size_b0 / 1024 / 1024) - 1) << 17); - mtdcr(EBC0_CFGDATA, pbcr); - /* printf("PB0CR = %x\n", pbcr); */ - } - - size_b0 = flash_get_size((vu_long *) base_b0, &flash_info[0]); - - flash_get_offsets(base_b0, &flash_info[0]); - - /* monitor protection ON by default */ - (void)flash_protect(FLAG_PROTECT_SET, - base_b0 + size_b0 - monitor_flash_len, - base_b0 + size_b0 - 1, &flash_info[0]); - - if (size_b1) { - /* Re-do sizing to get full correct info */ - size_b1 = - flash_get_size((vu_long *) base_b1, &flash_info[1]); - - flash_get_offsets(base_b1, &flash_info[1]); - - /* monitor protection ON by default */ - (void)flash_protect(FLAG_PROTECT_SET, - base_b1 + size_b1 - - monitor_flash_len, - base_b1 + size_b1 - 1, - &flash_info[1]); - /* monitor protection OFF by default (one is enough) */ - (void)flash_protect(FLAG_PROTECT_CLEAR, - base_b0 + size_b0 - - monitor_flash_len, - base_b0 + size_b0 - 1, - &flash_info[0]); - } else { - flash_info[1].flash_id = FLASH_UNKNOWN; - flash_info[1].sector_count = -1; - } - - flash_info[0].size = size_b0; - flash_info[1].size = size_b1; - } /* else 2 banks */ - return (size_b0 + size_b1); -} - - -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_SST) || - (info->flash_id == FLASH_AM040)) { - for (i = 0; i < info->sector_count; i++) - info->start[i] = base + (i * 0x00010000); - } else { - if (info->flash_id & FLASH_BTYPE) { - /* set sector offsets for bottom boot block type */ - info->start[0] = base + 0x00000000; - info->start[1] = base + 0x00004000; - info->start[2] = base + 0x00006000; - info->start[3] = base + 0x00008000; - for (i = 4; i < info->sector_count; i++) { - info->start[i] = - base + (i * 0x00010000) - 0x00030000; - } - } else { - /* set sector offsets for top boot block type */ - i = info->sector_count - 1; - info->start[i--] = base + info->size - 0x00004000; - info->start[i--] = base + info->size - 0x00006000; - info->start[i--] = base + info->size - 0x00008000; - for (; i >= 0; i--) { - info->start[i] = base + i * 0x00010000; - } - } - } -} |