diff options
Diffstat (limited to 'board/amcc/ebony/flash.c')
| -rw-r--r-- | board/amcc/ebony/flash.c | 155 |
1 files changed, 0 insertions, 155 deletions
diff --git a/board/amcc/ebony/flash.c b/board/amcc/ebony/flash.c deleted file mode 100644 index 5740a5623b..0000000000 --- a/board/amcc/ebony/flash.c +++ /dev/null @@ -1,155 +0,0 @@ -/* - * (C) Copyright 2002 - * Wolfgang Denk, DENX Software Engineering, wd@denx.de. - * - * (C) Copyright 2002 Jun Gu <jung@artesyncp.com> - * Add support for Am29F016D and dynamic switch setting. - * - * 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> -#include <asm/io.h> - -#undef DEBUG -#ifdef DEBUG -#define DEBUGF(x...) printf(x) -#else -#define DEBUGF(x...) -#endif /* DEBUG */ - -#define BOOT_SMALL_FLASH 32 /* 00100000 */ -#define FLASH_ONBD_N 2 /* 00000010 */ -#define FLASH_SRAM_SEL 1 /* 00000001 */ - -#define BOOT_SMALL_FLASH_VAL 4 -#define FLASH_ONBD_N_VAL 2 -#define FLASH_SRAM_SEL_VAL 1 - -static unsigned long flash_addr_table[8][CONFIG_SYS_MAX_FLASH_BANKS] = { - {0xffc00000, 0xffe00000, 0xff880000}, /* 0:000: configuraton 3 */ - {0xffc00000, 0xffe00000, 0xff800000}, /* 1:001: configuraton 4 */ - {0xffc00000, 0xffe00000, 0x00000000}, /* 2:010: configuraton 7 */ - {0xffc00000, 0xffe00000, 0x00000000}, /* 3:011: configuraton 8 */ - {0xff800000, 0xffa00000, 0xfff80000}, /* 4:100: configuraton 1 */ - {0xff800000, 0xffa00000, 0xfff00000}, /* 5:101: configuraton 2 */ - {0xffc00000, 0xffe00000, 0x00000000}, /* 6:110: configuraton 5 */ - {0xffc00000, 0xffe00000, 0x00000000} /* 7:111: configuraton 6 */ -}; - -/* - * include common flash code (for amcc boards) - */ -#include "../common/flash.c" - -/*----------------------------------------------------------------------- - * Functions - */ -static ulong flash_get_size(vu_long * addr, flash_info_t * info); - -/* - * Override the weak default mapping function with a board specific one - */ -u32 flash_get_bank_size(int cs, int idx) -{ - u8 reg = in_8((void *)CONFIG_SYS_FPGA_BASE); - - if ((reg & BOOT_SMALL_FLASH) && !(reg & FLASH_ONBD_N)) { - /* - * cs0: small flash (512KiB) - * cs2: 2 * big flash (2 * 2MiB) - */ - if (cs == 0) - return flash_info[2].size; - if (cs == 2) - return flash_info[0].size + flash_info[1].size; - } else { - /* - * cs0: 2 * big flash (2 * 2MiB) - * cs2: small flash (512KiB) - */ - if (cs == 0) - return flash_info[0].size + flash_info[1].size; - if (cs == 2) - return flash_info[2].size; - } - - return 0; -} - -unsigned long flash_init(void) -{ - unsigned long total_b = 0; - unsigned long size_b[CONFIG_SYS_MAX_FLASH_BANKS]; - unsigned char *fpga_base = (unsigned char *)CONFIG_SYS_FPGA_BASE; - unsigned char switch_status; - unsigned short index = 0; - int i; - - /* read FPGA base register FPGA_REG0 */ - switch_status = *fpga_base; - - /* check the bitmap of switch status */ - if (switch_status & BOOT_SMALL_FLASH) { - index += BOOT_SMALL_FLASH_VAL; - } - if (switch_status & FLASH_ONBD_N) { - index += FLASH_ONBD_N_VAL; - } - if (switch_status & FLASH_SRAM_SEL) { - index += FLASH_SRAM_SEL_VAL; - } - - 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; - } - - /* 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[2]); -#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[2]); - (void)flash_protect(FLAG_PROTECT_SET, CONFIG_ENV_ADDR_REDUND, - CONFIG_ENV_ADDR_REDUND + CONFIG_ENV_SECT_SIZE - 1, - &flash_info[2]); -#endif - - total_b += flash_info[i].size; - } - - return total_b; -} |
