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Diffstat (limited to 'board/amcc/bamboo/flash.c')
| -rw-r--r-- | board/amcc/bamboo/flash.c | 171 |
1 files changed, 0 insertions, 171 deletions
diff --git a/board/amcc/bamboo/flash.c b/board/amcc/bamboo/flash.c deleted file mode 100644 index 07d185f..0000000 --- a/board/amcc/bamboo/flash.c +++ /dev/null @@ -1,171 +0,0 @@ -/* - * (C) Copyright 2004-2005 - * Wolfgang Denk, DENX Software Engineering, wd@denx.de. - * - * (C) Copyright 2002 Jun Gu <jung@artesyncp.com> - * Add support for Am29F016D and dynamic switch setting. - * - * 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 - */ - -/* - * 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> -#include <asm/ppc440.h> -#include "bamboo.h" - -#undef DEBUG - -#ifdef DEBUG -#define DEBUGF(x...) printf(x) -#else -#define DEBUGF(x...) -#endif /* DEBUG */ - -flash_info_t flash_info[CONFIG_SYS_MAX_FLASH_BANKS]; /* info for FLASH chips */ - -/* - * Mark big flash bank (16 bit instead of 8 bit access) in address with bit 0 - */ -static unsigned long flash_addr_table[][CONFIG_SYS_MAX_FLASH_BANKS] = { - {0x87800001, 0xFFF00000, 0xFFF80000}, /* 0:boot from small flash */ - {0x00000000, 0x00000000, 0x00000000}, /* 1:boot from pci 66 */ - {0x87800001, 0x00000000, 0x00000000}, /* 0:boot from nand flash */ - {0x87F00000, 0x87F80000, 0xFFC00001}, /* 3:boot from big flash 33*/ - {0x87F00000, 0x87F80000, 0xFFC00001}, /* 4:boot from big flash 66*/ - {0x00000000, 0x00000000, 0x00000000}, /* 5:boot from */ - {0x00000000, 0x00000000, 0x00000000}, /* 6:boot from pci 66 */ - {0x00000000, 0x00000000, 0x00000000}, /* 7:boot from */ - {0x87C00001, 0xFFF00000, 0xFFF80000}, /* 0:boot from small flash */ -}; - -/* - * 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 int write_word(flash_info_t * info, ulong dest, ulong data); - -/*----------------------------------------------------------------------- - */ - -unsigned long flash_init(void) -{ - unsigned long total_b = 0; - unsigned long size_b[CONFIG_SYS_MAX_FLASH_BANKS]; - unsigned short index = 0; - int i; - unsigned long val; - unsigned long ebc_boot_size; - unsigned long boot_selection; - - mfsdr(SDR0_PINSTP, val); - index = (val & SDR0_PSTRP0_BOOTSTRAP_MASK) >> 29; - - if ((index == 5) || (index == 7)) { - /* - * Boot Settings in IIC EEprom address 0xA8 or 0xA4 - * Read Serial Device Strap Register1 in PPC440EP - */ - mfsdr(SDR0_SDSTP1, val); - boot_selection = val & SDR0_SDSTP1_BOOT_SEL_MASK; - ebc_boot_size = val & SDR0_SDSTP1_EBC_ROM_BS_MASK; - - switch(boot_selection) { - case SDR0_SDSTP1_BOOT_SEL_EBC: - switch(ebc_boot_size) { - case SDR0_SDSTP1_EBC_ROM_BS_16BIT: - index = 3; - break; - case SDR0_SDSTP1_EBC_ROM_BS_8BIT: - index = 0; - break; - } - break; - - case SDR0_SDSTP1_BOOT_SEL_PCI: - index = 1; - break; - - case SDR0_SDSTP1_BOOT_SEL_NDFC: - index = 2; - break; - } - } else if (index == 0) { - if (in8(FPGA_SETTING_REG) & FPGA_SET_REG_OP_CODE_FLASH_ABOVE) { - index = 8; /* sram below op code flash -> new index 8 */ - } - } - - DEBUGF("\n"); - DEBUGF("FLASH: Index: %d\n", index); - - /* Init: no FLASHes known */ - for (i = 0; i < CONFIG_SYS_MAX_FLASH_BANKS; ++i) { - flash_info[i].flash_id = FLASH_UNKNOWN; - flash_info[i].sector_count = -1; - flash_info[i].size = 0; - - /* check whether the address is 0 */ - if (flash_addr_table[index][i] == 0) - continue; - - DEBUGF("Detection bank %d...\n", i); - /* call flash_get_size() to initialize sector address */ - size_b[i] = flash_get_size((vu_long *) flash_addr_table[index][i], - &flash_info[i]); - flash_info[i].size = size_b[i]; - if (flash_info[i].flash_id == FLASH_UNKNOWN) { - printf("## Unknown FLASH on Bank %d - Size = 0x%08lx = %ld MB\n", - i, size_b[i], size_b[i] << 20); - flash_info[i].sector_count = -1; - flash_info[i].size = 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[i]); -#if defined(CONFIG_ENV_IS_IN_FLASH) - (void)flash_protect(FLAG_PROTECT_SET, CONFIG_ENV_ADDR, - CONFIG_ENV_ADDR + CONFIG_ENV_SECT_SIZE - 1, - &flash_info[i]); -#if defined(CONFIG_ENV_IS_IN_FLASH) && defined(CONFIG_ENV_ADDR_REDUND) - (void)flash_protect(FLAG_PROTECT_SET, CONFIG_ENV_ADDR_REDUND, - CONFIG_ENV_ADDR_REDUND + CONFIG_ENV_SECT_SIZE - 1, - &flash_info[i]); -#endif -#endif - - total_b += flash_info[i].size; - } - - return total_b; -} |