Signed-off-by: David Müller d.mueller@elsoft.ch
--- board/samsung/smdk2410/Makefile | 2 +- board/samsung/smdk2410/flash.c | 433 ------------------------------------- board/samsung/smdk2410/smdk2410.c | 12 + include/configs/smdk2410.h | 32 +-- 4 files changed, 25 insertions(+), 454 deletions(-) delete mode 100644 board/samsung/smdk2410/flash.c
diff --git a/board/samsung/smdk2410/Makefile b/board/samsung/smdk2410/Makefile index bda8898..0afe1e2 100644 --- a/board/samsung/smdk2410/Makefile +++ b/board/samsung/smdk2410/Makefile @@ -25,7 +25,7 @@ include $(TOPDIR)/config.mk
LIB = $(obj)lib$(BOARD).o
-COBJS := smdk2410.o flash.o +COBJS := smdk2410.o SOBJS := lowlevel_init.o
SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c) diff --git a/board/samsung/smdk2410/flash.c b/board/samsung/smdk2410/flash.c deleted file mode 100644 index 132d752..0000000 --- a/board/samsung/smdk2410/flash.c +++ /dev/null @@ -1,433 +0,0 @@ -/* - * (C) Copyright 2002 - * Sysgo Real-Time Solutions, GmbH <www.elinos.com> - * Alex Zuepke azu@sysgo.de - * - * 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> - -ulong myflush (void); - - -#define FLASH_BANK_SIZE PHYS_FLASH_SIZE -#define MAIN_SECT_SIZE 0x10000 /* 64 KB */ - -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 */ - -#define READY 1 -#define ERR 2 -#define TMO 4 - -/*----------------------------------------------------------------------- - */ - -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 = -#if defined(CONFIG_AMD_LV400) - (AMD_MANUFACT & FLASH_VENDMASK) | - (AMD_ID_LV400B & FLASH_TYPEMASK); -#elif defined(CONFIG_AMD_LV800) - (AMD_MANUFACT & FLASH_VENDMASK) | - (AMD_ID_LV800B & FLASH_TYPEMASK); -#else -#error "Unknown flash configured" -#endif - 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++) { - if (j <= 3) { - /* 1st one is 16 KB */ - if (j == 0) { - flash_info[i].start[j] = - flashbase + 0; - } - - /* 2nd and 3rd are both 8 KB */ - if ((j == 1) || (j == 2)) { - flash_info[i].start[j] = - flashbase + 0x4000 + (j - - 1) * - 0x2000; - } - - /* 4th 32 KB */ - if (j == 3) { - flash_info[i].start[j] = - flashbase + 0x8000; - } - } else { - flash_info[i].start[j] = - flashbase + (j - 3) * MAIN_SECT_SIZE; - } - } - size += flash_info[i].size; - } - - 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 (AMD_MANUFACT & FLASH_VENDMASK): - printf ("AMD: "); - break; - default: - printf ("Unknown Vendor "); - break; - } - - switch (info->flash_id & FLASH_TYPEMASK) { - case (AMD_ID_LV400B & FLASH_TYPEMASK): - printf ("1x Amd29LV400BB (4Mbit)\n"); - break; - case (AMD_ID_LV800B & FLASH_TYPEMASK): - printf ("1x Amd29LV800BB (8Mbit)\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:; -} - -/*----------------------------------------------------------------------- - */ - -int flash_erase (flash_info_t * info, int s_first, int s_last) -{ - ushort result; - int iflag, cflag, prot, sect; - int rc = ERR_OK; - int chip; - - /* 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) - 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. - */ - cflag = icache_status (); - icache_disable (); - iflag = disable_interrupts (); - - /* Start erase on unprotected sectors */ - for (sect = s_first; sect <= s_last && !ctrlc (); sect++) { - printf ("Erasing sector %2d ... ", sect); - - /* arm simple, non interrupt dependent timer */ - reset_timer_masked (); - - if (info->protect[sect] == 0) { /* not protected */ - vu_short *addr = (vu_short *) (info->start[sect]); - - 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 */ - chip = 0; - - do { - result = *addr; - - /* check timeout */ - if (get_timer_masked () > - CONFIG_SYS_FLASH_ERASE_TOUT) { - MEM_FLASH_ADDR1 = CMD_READ_ARRAY; - chip = TMO; - break; - } - - if (!chip - && (result & 0xFFFF) & BIT_ERASE_DONE) - chip = READY; - - if (!chip - && (result & 0xFFFF) & BIT_PROGRAM_ERROR) - chip = ERR; - - } while (!chip); - - MEM_FLASH_ADDR1 = CMD_READ_ARRAY; - - if (chip == ERR) { - rc = ERR_PROG_ERROR; - goto outahere; - } - if (chip == TMO) { - rc = ERR_TIMOUT; - goto outahere; - } - - printf ("ok.\n"); - } else { /* it was protected */ - - printf ("protected!\n"); - } - } - - if (ctrlc ()) - printf ("User Interrupt!\n"); - - outahere: - /* allow flash to settle - wait 10 ms */ - udelay_masked (10000); - - if (iflag) - enable_interrupts (); - - if (cflag) - icache_enable (); - - 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; - int cflag, iflag; - int chip; - - /* - * Check if Flash is (sufficiently) erased - */ - result = *addr; - if ((result & data) != data) - return ERR_NOT_ERASED; - - - /* - * 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. - */ - cflag = icache_status (); - icache_disable (); - iflag = disable_interrupts (); - - MEM_FLASH_ADDR1 = CMD_UNLOCK1; - MEM_FLASH_ADDR2 = CMD_UNLOCK2; - MEM_FLASH_ADDR1 = CMD_UNLOCK_BYPASS; - *addr = CMD_PROGRAM; - *addr = data; - - /* arm simple, non interrupt dependent timer */ - reset_timer_masked (); - - /* wait until flash is ready */ - chip = 0; - do { - result = *addr; - - /* check timeout */ - if (get_timer_masked () > CONFIG_SYS_FLASH_ERASE_TOUT) { - chip = ERR | TMO; - break; - } - if (!chip && ((result & 0x80) == (data & 0x80))) - chip = READY; - - if (!chip && ((result & 0xFFFF) & BIT_PROGRAM_ERROR)) { - result = *addr; - - if ((result & 0x80) == (data & 0x80)) - chip = READY; - else - chip = ERR; - } - - } while (!chip); - - *addr = CMD_READ_ARRAY; - - if (chip == ERR || *addr != data) - rc = ERR_PROG_ERROR; - - if (iflag) - enable_interrupts (); - - if (cflag) - icache_enable (); - - 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); -} diff --git a/board/samsung/smdk2410/smdk2410.c b/board/samsung/smdk2410/smdk2410.c index 76a24bb..1abc4ba 100644 --- a/board/samsung/smdk2410/smdk2410.c +++ b/board/samsung/smdk2410/smdk2410.c @@ -134,3 +134,15 @@ int board_eth_init(bd_t *bis) return rc; } #endif + +/* + * Hardcoded flash setup: + * Flash 0 is a non-CFI AMD AM29LV800BB flash. + */ +ulong board_flash_get_legacy(ulong base, int banknum, flash_info_t *info) +{ + info->portwidth = FLASH_CFI_16BIT; + info->chipwidth = FLASH_CFI_BY16; + info->interface = FLASH_CFI_X16; + return 1; +} diff --git a/include/configs/smdk2410.h b/include/configs/smdk2410.h index e7f9164..102488f 100644 --- a/include/configs/smdk2410.h +++ b/include/configs/smdk2410.h @@ -151,36 +151,28 @@
#define PHYS_FLASH_1 0x00000000 /* Flash Bank #1 */
-#define CONFIG_SYS_FLASH_BASE PHYS_FLASH_1 +#define CONFIG_SYS_FLASH_BASE PHYS_FLASH_1
/*----------------------------------------------------------------------- * FLASH and environment organization */
-#define CONFIG_AMD_LV400 1 /* uncomment this if you have a LV400 flash */ -#if 0 -#define CONFIG_AMD_LV800 1 /* uncomment this if you have a LV800 flash */ -#endif +#define CONFIG_SYS_FLASH_CFI +#define CONFIG_FLASH_CFI_DRIVER +#define CONFIG_FLASH_CFI_LEGACY +#define CONFIG_SYS_FLASH_LEGACY_512Kx16 +#define CONFIG_FLASH_SHOW_PROGRESS 45
-#define CONFIG_SYS_MAX_FLASH_BANKS 1 /* max number of memory banks */ -#ifdef CONFIG_AMD_LV800 -#define PHYS_FLASH_SIZE 0x00100000 /* 1MB */ -#define CONFIG_SYS_MAX_FLASH_SECT (19) /* max number of sectors on one chip */ -#define CONFIG_ENV_ADDR (CONFIG_SYS_FLASH_BASE + 0x0F0000) /* addr of environment */ -#endif -#ifdef CONFIG_AMD_LV400 -#define PHYS_FLASH_SIZE 0x00080000 /* 512KB */ -#define CONFIG_SYS_MAX_FLASH_SECT (11) /* max number of sectors on one chip */ -#define CONFIG_ENV_ADDR (CONFIG_SYS_FLASH_BASE + 0x070000) /* addr of environment */ -#endif - -/* timeout values are in ticks */ -#define CONFIG_SYS_FLASH_ERASE_TOUT (5*CONFIG_SYS_HZ) /* Timeout for Flash Erase */ -#define CONFIG_SYS_FLASH_WRITE_TOUT (5*CONFIG_SYS_HZ) /* Timeout for Flash Write */ +#define CONFIG_SYS_MAX_FLASH_BANKS 1 +#define CONFIG_SYS_MAX_FLASH_SECT (19) +#define CONFIG_ENV_ADDR (CONFIG_SYS_FLASH_BASE + 0x070000)
#define CONFIG_ENV_IS_IN_FLASH 1 #define CONFIG_ENV_SIZE 0x10000 /* Total Size of Environment Sector */
+#define CONFIG_SYS_MONITOR_LEN (448 * 1024) +#define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE + /* additions for new relocation code, must be added to all boards */ #define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM_1 #define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SYS_SDRAM_BASE + 0x1000 - \