diff options
Diffstat (limited to 'board/Marvell/common/intel_flash.c')
| -rw-r--r-- | board/Marvell/common/intel_flash.c | 253 |
1 files changed, 0 insertions, 253 deletions
diff --git a/board/Marvell/common/intel_flash.c b/board/Marvell/common/intel_flash.c deleted file mode 100644 index d6970d4..0000000 --- a/board/Marvell/common/intel_flash.c +++ /dev/null @@ -1,253 +0,0 @@ -/* - * (C) Copyright 2000 - * Wolfgang Denk, DENX Software Engineering, wd@denx.de. - * - * SPDX-License-Identifier: GPL-2.0+ - * - * Hacked for the marvell db64360 eval board by - * Ingo Assmus <ingo.assmus@keymile.com> - */ - -#include <common.h> -#include <mpc8xx.h> -#include "../include/mv_gen_reg.h" -#include "../include/memory.h" -#include "intel_flash.h" - - -/*----------------------------------------------------------------------- - * Protection Flags: - */ -#define FLAG_PROTECT_SET 0x01 -#define FLAG_PROTECT_CLEAR 0x02 - -static void bank_reset (flash_info_t * info, int sect) -{ - bank_addr_t addrw, eaddrw; - - addrw = (bank_addr_t) info->start[sect]; - eaddrw = BANK_ADDR_NEXT_WORD (addrw); - - while (addrw < eaddrw) { -#ifdef FLASH_DEBUG - printf (" writing reset cmd to addr 0x%08lx\n", - (unsigned long) addrw); -#endif - *addrw = BANK_CMD_RST; - addrw++; - } -} - -static void bank_erase_init (flash_info_t * info, int sect) -{ - bank_addr_t addrw, saddrw, eaddrw; - int flag; - -#ifdef FLASH_DEBUG - printf ("0x%08x BANK_CMD_PROG\n", BANK_CMD_PROG); - printf ("0x%08x BANK_CMD_ERASE1\n", BANK_CMD_ERASE1); - printf ("0x%08x BANK_CMD_ERASE2\n", BANK_CMD_ERASE2); - printf ("0x%08x BANK_CMD_CLR_STAT\n", BANK_CMD_CLR_STAT); - printf ("0x%08x BANK_CMD_RST\n", BANK_CMD_RST); - printf ("0x%08x BANK_STAT_RDY\n", BANK_STAT_RDY); - printf ("0x%08x BANK_STAT_ERR\n", BANK_STAT_ERR); -#endif - - saddrw = (bank_addr_t) info->start[sect]; - eaddrw = BANK_ADDR_NEXT_WORD (saddrw); - -#ifdef FLASH_DEBUG - printf ("erasing sector %d, start addr = 0x%08lx " - "(bank next word addr = 0x%08lx)\n", sect, - (unsigned long) saddrw, (unsigned long) eaddrw); -#endif - - /* Disable intrs which might cause a timeout here */ - flag = disable_interrupts (); - - for (addrw = saddrw; addrw < eaddrw; addrw++) { -#ifdef FLASH_DEBUG - printf (" writing erase cmd to addr 0x%08lx\n", - (unsigned long) addrw); -#endif - *addrw = BANK_CMD_ERASE1; - *addrw = BANK_CMD_ERASE2; - } - - /* re-enable interrupts if necessary */ - if (flag) - enable_interrupts (); -} - -static int bank_erase_poll (flash_info_t * info, int sect) -{ - bank_addr_t addrw, saddrw, eaddrw; - int sectdone, haderr; - - saddrw = (bank_addr_t) info->start[sect]; - eaddrw = BANK_ADDR_NEXT_WORD (saddrw); - - sectdone = 1; - haderr = 0; - - for (addrw = saddrw; addrw < eaddrw; addrw++) { - bank_word_t stat = *addrw; - -#ifdef FLASH_DEBUG - printf (" checking status at addr " - "0x%08x [0x%08x]\n", (unsigned long) addrw, stat); -#endif - if ((stat & BANK_STAT_RDY) != BANK_STAT_RDY) - sectdone = 0; - else if ((stat & BANK_STAT_ERR) != 0) { - printf (" failed on sector %d " - "(stat = 0x%08x) at " - "address 0x%p\n", sect, stat, addrw); - *addrw = BANK_CMD_CLR_STAT; - haderr = 1; - } - } - - if (haderr) - return (-1); - else - return (sectdone); -} - -int write_word_intel (bank_addr_t addr, bank_word_t value) -{ - bank_word_t stat; - ulong start; - int flag, retval; - - /* Disable interrupts which might cause a timeout here */ - flag = disable_interrupts (); - - *addr = BANK_CMD_PROG; - - *addr = value; - - /* re-enable interrupts if necessary */ - if (flag) - enable_interrupts (); - - retval = 0; - - /* data polling for D7 */ - start = get_timer (0); - do { - if (get_timer (start) > CONFIG_SYS_FLASH_WRITE_TOUT) { - retval = 1; - goto done; - } - stat = *addr; - } while ((stat & BANK_STAT_RDY) != BANK_STAT_RDY); - - if ((stat & BANK_STAT_ERR) != 0) { - printf ("flash program failed (stat = 0x%08lx) " - "at address 0x%08lx\n", (ulong) stat, (ulong) addr); - *addr = BANK_CMD_CLR_STAT; - retval = 3; - } - - done: - /* reset to read mode */ - *addr = BANK_CMD_RST; - - return (retval); -} - -/*----------------------------------------------------------------------- - */ - -int flash_erase_intel (flash_info_t * info, int s_first, int s_last) -{ - int prot, sect, haderr; - ulong start, now, last; - -#ifdef FLASH_DEBUG - printf ("\nflash_erase: erase %d sectors (%d to %d incl.) from\n" - " Bank # %d: ", s_last - s_first + 1, s_first, s_last, - (info - flash_info) + 1); - flash_print_info (info); -#endif - - if ((s_first < 0) || (s_first > s_last)) { - if (info->flash_id == FLASH_UNKNOWN) { - printf ("- missing\n"); - } else { - printf ("- no sectors to erase\n"); - } - return 1; - } - - prot = 0; - for (sect = s_first; sect <= s_last; ++sect) { - if (info->protect[sect]) { - prot++; - } - } - - if (prot) { - printf ("- Warning: %d protected sector%s will not be erased!\n", prot, (prot > 1 ? "s" : "")); - } - - start = get_timer (0); - last = 0; - haderr = 0; - - for (sect = s_first; sect <= s_last; sect++) { - if (info->protect[sect] == 0) { /* not protected */ - ulong estart; - int sectdone; - - bank_erase_init (info, sect); - - /* wait at least 80us - let's wait 1 ms */ - udelay (1000); - - estart = get_timer (start); - - do { - now = get_timer (start); - - if (now - estart > CONFIG_SYS_FLASH_ERASE_TOUT) { - printf ("Timeout (sect %d)\n", sect); - haderr = 1; - break; - } -#ifndef FLASH_DEBUG - /* show that we're waiting */ - if ((now - last) > 1000) { /* every second */ - putc ('.'); - last = now; - } -#endif - - sectdone = bank_erase_poll (info, sect); - - if (sectdone < 0) { - haderr = 1; - break; - } - - } while (!sectdone); - - if (haderr) - break; - } - } - - if (haderr > 0) - printf (" failed\n"); - else - printf (" done\n"); - - /* reset to read mode */ - for (sect = s_first; sect <= s_last; sect++) { - if (info->protect[sect] == 0) { /* not protected */ - bank_reset (info, sect); - } - } - return haderr; -} |