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author | Albert ARIBAUD <albert.u.boot@aribaud.net> | 2014-01-13 21:06:17 +0100 |
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committer | Albert ARIBAUD <albert.u.boot@aribaud.net> | 2014-01-14 08:23:46 +0100 |
commit | e570aca9474bb707cd2cab0c5c9b8aba957ae51e (patch) | |
tree | 44b3c52cf0e5d2bb034630afe1ff6c3025230ddc /board/mx1ads/syncflash.c | |
parent | af5b9b1f789d600cf0d996f1a5e80eb8b38f4264 (diff) | |
download | u-boot-imx-e570aca9474bb707cd2cab0c5c9b8aba957ae51e.zip u-boot-imx-e570aca9474bb707cd2cab0c5c9b8aba957ae51e.tar.gz u-boot-imx-e570aca9474bb707cd2cab0c5c9b8aba957ae51e.tar.bz2 |
mx1ads: remove board support
Signed-off-by: Albert ARIBAUD <albert.u.boot@aribaud.net>
Acked-by: Stefano Babic <sbabic@denx.de>
Diffstat (limited to 'board/mx1ads/syncflash.c')
-rw-r--r-- | board/mx1ads/syncflash.c | 307 |
1 files changed, 0 insertions, 307 deletions
diff --git a/board/mx1ads/syncflash.c b/board/mx1ads/syncflash.c deleted file mode 100644 index 5d68533..0000000 --- a/board/mx1ads/syncflash.c +++ /dev/null @@ -1,307 +0,0 @@ -/* - * board/mx1ads/syncflash.c - * - * (c) Copyright 2004 - * Techware Information Technology, Inc. - * http://www.techware.com.tw/ - * - * Ming-Len Wu <minglen_wu@techware.com.tw> - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> -/*#include <mc9328.h>*/ -#include <asm/arch/imx-regs.h> - -typedef unsigned long * p_u32; - -/* 4Mx16x2 IAM=0 CSD1 */ - -flash_info_t flash_info[CONFIG_SYS_MAX_FLASH_BANKS]; /* info for FLASH chips */ - -/* Following Setting is for CSD1 */ -#define SFCTL 0x00221004 -#define reg_SFCTL __REG(SFCTL) - -#define SYNCFLASH_A10 (0x00100000) - -#define CMD_NORMAL (0x81020300) /* Normal Mode */ -#define CMD_PREC (CMD_NORMAL + 0x10000000) /* Precharge Command */ -#define CMD_AUTO (CMD_NORMAL + 0x20000000) /* Auto Refresh Command */ -#define CMD_LMR (CMD_NORMAL + 0x30000000) /* Load Mode Register Command */ -#define CMD_LCR (CMD_NORMAL + 0x60000000) /* LCR Command */ -#define CMD_PROGRAM (CMD_NORMAL + 0x70000000) - -#define MODE_REG_VAL (CONFIG_SYS_FLASH_BASE+0x0008CC00) /* Cas Latency 3 */ - -/* LCR Command */ -#define LCR_READSTATUS (0x0001C000) /* 0x70 */ -#define LCR_ERASE_CONFIRM (0x00008000) /* 0x20 */ -#define LCR_ERASE_NVMODE (0x0000C000) /* 0x30 */ -#define LCR_PROG_NVMODE (0x00028000) /* 0xA0 */ -#define LCR_SR_CLEAR (0x00014000) /* 0x50 */ - -/* Get Status register */ -u32 SF_SR(void) { - u32 tmp; - - reg_SFCTL = CMD_PROGRAM; - tmp = __REG(CONFIG_SYS_FLASH_BASE); - - reg_SFCTL = CMD_NORMAL; - - reg_SFCTL = CMD_LCR; /* Activate LCR Mode */ - __REG(CONFIG_SYS_FLASH_BASE + LCR_SR_CLEAR); - - return tmp; -} - -/* check if SyncFlash is ready */ -u8 SF_Ready(void) { - u32 tmp; - - tmp = SF_SR(); - - if ((tmp & 0x00800000) && (tmp & 0x001C0000)) { - printf ("SyncFlash Error code %08x\n",tmp); - }; - - if ((tmp & 0x00000080) && (tmp & 0x0000001C)) { - printf ("SyncFlash Error code %08x\n",tmp); - }; - - if (tmp == 0x00800080) /* Test Bit 7 of SR */ - return 1; - else - return 0; -} - -/* Issue the precharge all command */ -void SF_PrechargeAll(void) { - - /* Set Precharge Command */ - reg_SFCTL = CMD_PREC; - /* Issue Precharge All Command */ - __REG(CONFIG_SYS_FLASH_BASE + SYNCFLASH_A10); -} - -/* set SyncFlash to normal mode */ -void SF_Normal(void) { - - SF_PrechargeAll(); - - reg_SFCTL = CMD_NORMAL; -} - -/* Erase SyncFlash */ -void SF_Erase(u32 RowAddress) { - - reg_SFCTL = CMD_NORMAL; - __REG(RowAddress); - - reg_SFCTL = CMD_PREC; - __REG(RowAddress); - - reg_SFCTL = CMD_LCR; /* Set LCR mode */ - __REG(RowAddress + LCR_ERASE_CONFIRM) = 0; /* Issue Erase Setup Command */ - - reg_SFCTL = CMD_NORMAL; /* return to Normal mode */ - __REG(RowAddress) = 0xD0D0D0D0; /* Confirm */ - - while(!SF_Ready()); -} - -void SF_NvmodeErase(void) { - SF_PrechargeAll(); - - reg_SFCTL = CMD_LCR; /* Set to LCR mode */ - __REG(CONFIG_SYS_FLASH_BASE + LCR_ERASE_NVMODE) = 0; /* Issue Erase Nvmode Reg Command */ - - reg_SFCTL = CMD_NORMAL; /* Return to Normal mode */ - __REG(CONFIG_SYS_FLASH_BASE + LCR_ERASE_NVMODE) = 0xC0C0C0C0; /* Confirm */ - - while(!SF_Ready()); -} - -void SF_NvmodeWrite(void) { - SF_PrechargeAll(); - - reg_SFCTL = CMD_LCR; /* Set to LCR mode */ - __REG(CONFIG_SYS_FLASH_BASE+LCR_PROG_NVMODE) = 0; /* Issue Program Nvmode reg command */ - - reg_SFCTL = CMD_NORMAL; /* Return to Normal mode */ - __REG(CONFIG_SYS_FLASH_BASE+LCR_PROG_NVMODE) = 0xC0C0C0C0; /* Confirm not needed */ -} - -/****************************************************************************************/ - -ulong flash_init(void) { - int i, j; - -/* Turn on CSD1 for negating RESETSF of SyncFLash */ - - reg_SFCTL |= 0x80000000; /* enable CSD1 for SyncFlash */ - udelay(200); - - reg_SFCTL = CMD_LMR; /* Set Load Mode Register Command */ - __REG(MODE_REG_VAL); /* Issue Load Mode Register Command */ - - SF_Normal(); - - i = 0; - - flash_info[i].flash_id = FLASH_MAN_MT | FLASH_MT28S4M16LC; - - 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); - - for (j = 0; j < flash_info[i].sector_count; j++) { - flash_info[i].start[j] = CONFIG_SYS_FLASH_BASE + j * 0x00100000; - } - - 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 FLASH_BANK_SIZE; -} - -void flash_print_info (flash_info_t *info) { - - int i; - - switch (info->flash_id & FLASH_VENDMASK) { - case (FLASH_MAN_MT & FLASH_VENDMASK): - printf("Micron: "); - break; - default: - printf("Unknown Vendor "); - break; - } - - switch (info->flash_id & FLASH_TYPEMASK) { - case (FLASH_MT28S4M16LC & FLASH_TYPEMASK): - printf("2x FLASH_MT28S4M16LC (16MB Total)\n"); - break; - default: - printf("Unknown Chip Type\n"); - return; - 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"); -} - -/*-----------------------------------------------------------------------*/ - -int flash_erase (flash_info_t *info, int s_first, int s_last) { - int iflag, cflag, 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) != (FLASH_MAN_MT & 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("protected!\n"); - 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 */ - - get_timer(0); - - SF_NvmodeErase(); - SF_NvmodeWrite(); - - SF_Erase(CONFIG_SYS_FLASH_BASE + (0x0100000 * sect)); - SF_Normal(); - - printf("ok.\n"); - } - - if (ctrlc()) - printf("User Interrupt!\n"); - - 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) { - int i; - - for(i = 0; i < cnt; i += 4) { - - SF_PrechargeAll(); - - reg_SFCTL = CMD_PROGRAM; /* Enter SyncFlash Program mode */ - __REG(addr + i) = __REG((u32)src + i); - - while(!SF_Ready()); - } - - SF_Normal(); - - return ERR_OK; -} |