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authorWolfgang Denk <wd@denx.de>2014-10-21 15:23:32 +0200
committerWolfgang Denk <wd@denx.de>2014-10-27 14:35:55 +0100
commit03b004074fb641cffd7d2150505ef8afc13231bf (patch)
tree93fe51aab1e2cc78646ddc8c9b5918dac9ed4ea3 /board/Marvell/common/intel_flash.c
parentfc297789a231ded974d6194e74f7a0620fb4553e (diff)
PowerPC: drop some 74xx_7xx boards and related code
The file board/Marvell/include/mv_gen_reg.h is incompatible with the GPL (see for example the "MARVELL RESERVES THE RIGHT AT ITS SOLE DISCRETION TO REQUEST THAT THIS CODE BE IMMEDIATELY RETURNED TO MARVELL" clause). As this cannot be fixed, we remove the file and all code that depends on it. Fortunately this only affects some very old boards that have long reached EOL: CPCI750 DB64360 DB64460 p3m750 p3m7448 Signed-off-by: Wolfgang Denk <wd@denx.de> Cc: Reinhard Arlt <reinhard.arlt@esd-electronics.com> Cc: Stefan Roese <sr@denx.de> Cc: Roger Meier <r.meier@siemens.com>
Diffstat (limited to 'board/Marvell/common/intel_flash.c')
-rw-r--r--board/Marvell/common/intel_flash.c253
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 d6970d4e952..00000000000
--- 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;
-}