diff options
Diffstat (limited to 'board/netstar')
| -rw-r--r-- | board/netstar/Makefile | 2 | ||||
| -rw-r--r-- | board/netstar/flash.c | 343 | ||||
| -rw-r--r-- | board/netstar/netstar.c | 15 |
3 files changed, 16 insertions, 344 deletions
diff --git a/board/netstar/Makefile b/board/netstar/Makefile index 8d911b8..ba9d6c8 100644 --- a/board/netstar/Makefile +++ b/board/netstar/Makefile @@ -28,7 +28,7 @@ include $(TOPDIR)/config.mk LIB = $(obj)lib$(BOARD).a -COBJS := netstar.o flash.o nand.o +COBJS := netstar.o nand.o SOBJS := setup.o crcek.o SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c) eeprom.c \ diff --git a/board/netstar/flash.c b/board/netstar/flash.c deleted file mode 100644 index e9eca35..0000000 --- a/board/netstar/flash.c +++ /dev/null @@ -1,343 +0,0 @@ -/* - * (C) Copyright 2002 - * Sysgo Real-Time Solutions, GmbH <www.elinos.com> - * Alex Zuepke <azu@sysgo.de> - * - * (C) Copyright 2005 - * 2N Telekomunikace, a.s. <www.2n.cz> - * Ladislav Michl <michl@2n.cz> - * - * 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> - -/*#if 0 */ -#if (PHYS_SDRAM_1_SIZE != SZ_32M) - -#include "crcek.h" - -#if (CONFIG_SYS_MAX_FLASH_BANKS > 1) -#error There is always only _one_ flash chip -#endif - -flash_info_t flash_info[CONFIG_SYS_MAX_FLASH_BANKS]; - -#define CMD_READ_ARRAY 0x000000f0 -#define CMD_UNLOCK1 0x000000aa -#define CMD_UNLOCK2 0x00000055 -#define CMD_ERASE_SETUP 0x00000080 -#define CMD_ERASE_CONFIRM 0x00000030 -#define CMD_PROGRAM 0x000000a0 -#define CMD_UNLOCK_BYPASS 0x00000020 - -#define MEM_FLASH_ADDR1 (*(volatile u16 *)(CONFIG_SYS_FLASH_BASE + (0x00000555 << 1))) -#define MEM_FLASH_ADDR2 (*(volatile u16 *)(CONFIG_SYS_FLASH_BASE + (0x000002aa << 1))) - -#define BIT_ERASE_DONE 0x00000080 -#define BIT_RDY_MASK 0x00000080 -#define BIT_PROGRAM_ERROR 0x00000020 -#define BIT_TIMEOUT 0x80000000 /* our flag */ - -/*----------------------------------------------------------------------- - */ - -ulong flash_init(void) -{ - int i; - - flash_info[0].flash_id = (AMD_MANUFACT & FLASH_VENDMASK) | - (AMD_ID_LV800B & FLASH_TYPEMASK); - flash_info[0].size = PHYS_FLASH_1_SIZE; - flash_info[0].sector_count = CONFIG_SYS_MAX_FLASH_SECT; - memset(flash_info[0].protect, 0, CONFIG_SYS_MAX_FLASH_SECT); - - for (i = 0; i < flash_info[0].sector_count; i++) { - switch (i) { - case 0: /* 16kB */ - flash_info[0].start[0] = CONFIG_SYS_FLASH_BASE; - break; - case 1: /* 8kB */ - flash_info[0].start[1] = CONFIG_SYS_FLASH_BASE + 0x4000; - break; - case 2: /* 8kB */ - flash_info[0].start[2] = CONFIG_SYS_FLASH_BASE + 0x4000 + - 0x2000; - break; - case 3: /* 32 KB */ - flash_info[0].start[3] = CONFIG_SYS_FLASH_BASE + 0x4000 + - 2 * 0x2000; - break; - case 4: - flash_info[0].start[4] = CONFIG_SYS_FLASH_BASE + 0x4000 + - 2 * 0x2000 + 0x8000; - break; - default: /* 64kB */ - flash_info[0].start[i] = flash_info[0].start[i-1] + - 0x10000; - break; - } - } - - /* U-Boot */ - flash_protect(FLAG_PROTECT_SET, - LOADER1_OFFSET, - LOADER1_OFFSET + LOADER_SIZE - 1, flash_info); - /* Protect crcek, env and r_env as well */ - flash_protect(FLAG_PROTECT_SET, 0, 0x8000 - 1, flash_info); - - return flash_info[0].size; -} - -/*----------------------------------------------------------------------- - */ -void flash_print_info(flash_info_t *info) -{ - int i; - - switch (info->flash_id & FLASH_VENDMASK) { - case (AMD_MANUFACT & FLASH_VENDMASK): - puts("AMD: "); - break; - default: - puts("Unknown vendor "); - break; - } - - switch (info->flash_id & FLASH_TYPEMASK) { - case (AMD_ID_LV800B & FLASH_TYPEMASK): - puts("AM29LV800BB (8Mb)\n"); - break; - default: - puts("Unknown chip type\n"); - return; - } - - printf(" Size: %ld MB in %d sectors\n", - info->size >> 20, info->sector_count); - - puts(" Sector start addresses:"); - for (i = 0; i < info->sector_count; i++) { - if ((i % 5) == 0) - puts("\n "); - - printf(" %08lX%s", info->start[i], - info->protect[i] ? " (RO)" : " "); - } - puts("\n"); -} - -/*----------------------------------------------------------------------- - */ - -int flash_erase(flash_info_t *info, int s_first, int s_last) -{ - ushort result; - int prot, sect; - int rc = ERR_OK; - - /* first look for protection bits */ - - if (info->flash_id == FLASH_UNKNOWN) - return ERR_UNKNOWN_FLASH_TYPE; - - if ((s_first < 0) || (s_first > s_last)) - return ERR_INVAL; - - if ((info->flash_id & FLASH_VENDMASK) != - (AMD_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) - printf("- Warning: %d protected sectors will not be erased!\n", - prot); - else - putc('\n'); - - /* Start erase on unprotected sectors */ - for (sect = s_first; sect <= s_last && !ctrlc (); sect++) { - if (info->protect[sect] == 0) { /* not protected */ - vu_short *addr = (vu_short *) (info->start[sect]); - - /* arm simple, non interrupt dependent timer */ - reset_timer_masked(); - - MEM_FLASH_ADDR1 = CMD_UNLOCK1; - MEM_FLASH_ADDR2 = CMD_UNLOCK2; - MEM_FLASH_ADDR1 = CMD_ERASE_SETUP; - - MEM_FLASH_ADDR1 = CMD_UNLOCK1; - MEM_FLASH_ADDR2 = CMD_UNLOCK2; - *addr = CMD_ERASE_CONFIRM; - - /* wait until flash is ready */ - while (1) { - result = *addr; - - /* check timeout */ - if (get_timer_masked() > CONFIG_SYS_FLASH_ERASE_TOUT) { - MEM_FLASH_ADDR1 = CMD_READ_ARRAY; - rc = ERR_TIMOUT; - break; - } - - if ((result & 0xfff) & BIT_ERASE_DONE) - break; - - if ((result & 0xffff) & BIT_PROGRAM_ERROR) { - rc = ERR_PROG_ERROR; - break; - } - } - - MEM_FLASH_ADDR1 = CMD_READ_ARRAY; - - if (rc != ERR_OK) - goto out; - - putc('.'); - } - } -out: - /* allow flash to settle - wait 10 ms */ - udelay_masked(10000); - - return rc; -} - -/*----------------------------------------------------------------------- - * Copy memory to flash - */ - -static int write_hword(flash_info_t *info, ulong dest, ushort data) -{ - vu_short *addr = (vu_short *) dest; - ushort result; - int rc = ERR_OK; - - /* check if flash is (sufficiently) erased */ - result = *addr; - if ((result & data) != data) - return ERR_NOT_ERASED; - - MEM_FLASH_ADDR1 = CMD_UNLOCK1; - MEM_FLASH_ADDR2 = CMD_UNLOCK2; - MEM_FLASH_ADDR1 = CMD_PROGRAM; - *addr = data; - - /* arm simple, non interrupt dependent timer */ - reset_timer_masked(); - - /* wait until flash is ready */ - while (1) { - result = *addr; - - /* check timeout */ - if (get_timer_masked () > CONFIG_SYS_FLASH_ERASE_TOUT) { - rc = ERR_TIMOUT; - break; - } - - if ((result & 0x80) == (data & 0x80)) - break; - - if ((result & 0xffff) & BIT_PROGRAM_ERROR) { - result = *addr; - - if ((result & 0x80) != (data & 0x80)) - rc = ERR_PROG_ERROR; - } - } - - *addr = CMD_READ_ARRAY; - - if (*addr != data) - rc = ERR_PROG_ERROR; - - return rc; -} - -/*----------------------------------------------------------------------- - * Copy memory to flash. - */ - -int write_buff(flash_info_t *info, uchar *src, ulong addr, ulong cnt) -{ - ulong cp, wp; - int l; - int i, rc; - ushort data; - - wp = (addr & ~1); /* get lower word aligned address */ - - /* - * 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_hword(info, wp, data)) != 0) - return (rc); - wp += 2; - } - - /* - * handle word aligned part - */ - while (cnt >= 2) { - data = *((vu_short *) src); - if ((rc = write_hword(info, wp, data)) != 0) - return (rc); - src += 2; - wp += 2; - cnt -= 2; - } - - if (cnt == 0) - 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_hword(info, wp, data); -} - -#endif diff --git a/board/netstar/netstar.c b/board/netstar/netstar.c index f52afe5..a76b338 100644 --- a/board/netstar/netstar.c +++ b/board/netstar/netstar.c @@ -21,6 +21,7 @@ */ #include <common.h> +#include <flash.h> DECLARE_GLOBAL_DATA_PTR; @@ -59,3 +60,17 @@ int board_late_init(void) { return 0; } + +#if defined(CONFIG_CMD_FLASH) +ulong board_flash_get_legacy(ulong base, int banknum, flash_info_t * info) +{ + if (banknum == 0) { /* AM29LV800 boot flash */ + info->portwidth = FLASH_CFI_16BIT; + info->chipwidth = FLASH_CFI_BY16; + info->interface = FLASH_CFI_X16; + return 1; + } + + return 0; +} +#endif |