* Copyright (C) 2006
* Tolunay Orkun <listmember@orkun.us>
*
- * 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
- *
+ * SPDX-License-Identifier: GPL-2.0+
*/
/* The DEBUG define must be before common to enable debugging */
/* #define DEBUG */
#include <common.h>
+#include <console.h>
+#include <dm.h>
+#include <errno.h>
+#include <fdt_support.h>
#include <asm/processor.h>
#include <asm/io.h>
#include <asm/byteorder.h>
+#include <asm/unaligned.h>
#include <environment.h>
#include <mtd/cfi_flash.h>
#include <watchdog.h>
* reading and writing ... (yes there is such a Hardware).
*/
+DECLARE_GLOBAL_DATA_PTR;
+
static uint flash_offset_cfi[2] = { FLASH_OFFSET_CFI, FLASH_OFFSET_CFI_ALT };
#ifdef CONFIG_FLASH_CFI_MTD
static uint flash_verbose = 1;
#define CONFIG_SYS_FLASH_CFI_WIDTH FLASH_CFI_8BIT
#endif
+#ifdef CONFIG_CFI_FLASH_USE_WEAK_ACCESSORS
+#define __maybe_weak __weak
+#else
+#define __maybe_weak static
+#endif
+
/*
* 0xffff is an undefined value for the configuration register. When
* this value is returned, the configuration register shall not be
int cfi_flash_num_flash_banks = CONFIG_SYS_MAX_FLASH_BANKS_DETECT;
#endif
-static phys_addr_t __cfi_flash_bank_addr(int i)
+#ifdef CONFIG_CFI_FLASH /* for driver model */
+static void cfi_flash_init_dm(void)
{
- return ((phys_addr_t [])CONFIG_SYS_FLASH_BANKS_LIST)[i];
+ struct udevice *dev;
+
+ cfi_flash_num_flash_banks = 0;
+ /*
+ * The uclass_first_device() will probe the first device and
+ * uclass_next_device() will probe the rest if they exist. So
+ * that cfi_flash_probe() will get called assigning the base
+ * addresses that are available.
+ */
+ for (uclass_first_device(UCLASS_MTD, &dev);
+ dev;
+ uclass_next_device(&dev)) {
+ }
}
+
phys_addr_t cfi_flash_bank_addr(int i)
- __attribute__((weak, alias("__cfi_flash_bank_addr")));
+{
+ return flash_info[i].base;
+}
+#else
+__weak phys_addr_t cfi_flash_bank_addr(int i)
+{
+ return ((phys_addr_t [])CONFIG_SYS_FLASH_BANKS_LIST)[i];
+}
+#endif
-static unsigned long __cfi_flash_bank_size(int i)
+__weak unsigned long cfi_flash_bank_size(int i)
{
#ifdef CONFIG_SYS_FLASH_BANKS_SIZES
return ((unsigned long [])CONFIG_SYS_FLASH_BANKS_SIZES)[i];
return 0;
#endif
}
-unsigned long cfi_flash_bank_size(int i)
- __attribute__((weak, alias("__cfi_flash_bank_size")));
-static void __flash_write8(u8 value, void *addr)
+__maybe_weak void flash_write8(u8 value, void *addr)
{
__raw_writeb(value, addr);
}
-static void __flash_write16(u16 value, void *addr)
+__maybe_weak void flash_write16(u16 value, void *addr)
{
__raw_writew(value, addr);
}
-static void __flash_write32(u32 value, void *addr)
+__maybe_weak void flash_write32(u32 value, void *addr)
{
__raw_writel(value, addr);
}
-static void __flash_write64(u64 value, void *addr)
+__maybe_weak void flash_write64(u64 value, void *addr)
{
/* No architectures currently implement __raw_writeq() */
*(volatile u64 *)addr = value;
}
-static u8 __flash_read8(void *addr)
+__maybe_weak u8 flash_read8(void *addr)
{
return __raw_readb(addr);
}
-static u16 __flash_read16(void *addr)
+__maybe_weak u16 flash_read16(void *addr)
{
return __raw_readw(addr);
}
-static u32 __flash_read32(void *addr)
+__maybe_weak u32 flash_read32(void *addr)
{
return __raw_readl(addr);
}
-static u64 __flash_read64(void *addr)
+__maybe_weak u64 flash_read64(void *addr)
{
/* No architectures currently implement __raw_readq() */
return *(volatile u64 *)addr;
}
-#ifdef CONFIG_CFI_FLASH_USE_WEAK_ACCESSORS
-void flash_write8(u8 value, void *addr)__attribute__((weak, alias("__flash_write8")));
-void flash_write16(u16 value, void *addr)__attribute__((weak, alias("__flash_write16")));
-void flash_write32(u32 value, void *addr)__attribute__((weak, alias("__flash_write32")));
-void flash_write64(u64 value, void *addr)__attribute__((weak, alias("__flash_write64")));
-u8 flash_read8(void *addr)__attribute__((weak, alias("__flash_read8")));
-u16 flash_read16(void *addr)__attribute__((weak, alias("__flash_read16")));
-u32 flash_read32(void *addr)__attribute__((weak, alias("__flash_read32")));
-u64 flash_read64(void *addr)__attribute__((weak, alias("__flash_read64")));
-#else
-#define flash_write8 __flash_write8
-#define flash_write16 __flash_write16
-#define flash_write32 __flash_write32
-#define flash_write64 __flash_write64
-#define flash_read8 __flash_read8
-#define flash_read16 __flash_read16
-#define flash_read32 __flash_read32
-#define flash_read64 __flash_read64
-#endif
-
/*-----------------------------------------------------------------------
*/
#if defined(CONFIG_ENV_IS_IN_FLASH) || defined(CONFIG_ENV_ADDR_REDUND) || (CONFIG_SYS_MONITOR_BASE >= CONFIG_SYS_FLASH_BASE)
-flash_info_t *flash_get_info(ulong base)
+static flash_info_t *flash_get_info(ulong base)
{
int i;
- flash_info_t *info = NULL;
+ flash_info_t *info;
for (i = 0; i < CONFIG_SYS_MAX_FLASH_BANKS; i++) {
- info = & flash_info[i];
+ info = &flash_info[i];
if (info->size && info->start[0] <= base &&
base <= info->start[0] + info->size - 1)
- break;
+ return info;
}
- return info;
+ return NULL;
}
#endif
* create an address based on the offset and the port width
*/
static inline void *
-flash_map (flash_info_t * info, flash_sect_t sect, uint offset)
+flash_map(flash_info_t * info, flash_sect_t sect, uint offset)
{
- unsigned int byte_offset = offset * info->portwidth / info->chipwidth;
- unsigned int addr = (info->start[sect] + byte_offset);
- unsigned int mask = 0xffffffff << (info->portwidth - 1);
+ unsigned int byte_offset = offset * info->portwidth;
- return (void *)(uintptr_t)(addr & mask);
+ return (void *)(info->start[sect] + byte_offset);
}
static inline void flash_unmap(flash_info_t *info, flash_sect_t sect,
/*-----------------------------------------------------------------------
* Debug support
*/
-static void print_longlong (char *str, unsigned long long data)
+static void print_longlong(char *str, unsigned long long data)
{
int i;
char *cp;
cp = (char *) &data;
for (i = 0; i < 8; i++)
- sprintf (&str[i * 2], "%2.2x", *cp++);
+ sprintf(&str[i * 2], "%2.2x", *cp++);
}
-static void flash_printqry (struct cfi_qry *qry)
+static void flash_printqry(struct cfi_qry *qry)
{
u8 *p = (u8 *)qry;
int x, y;
/*-----------------------------------------------------------------------
* read a character at a port width address
*/
-static inline uchar flash_read_uchar (flash_info_t * info, uint offset)
+static inline uchar flash_read_uchar(flash_info_t * info, uint offset)
{
uchar *cp;
uchar retval;
- cp = flash_map (info, 0, offset);
+ cp = flash_map(info, 0, offset);
#if defined(__LITTLE_ENDIAN) || defined(CONFIG_SYS_WRITE_SWAPPED_DATA)
retval = flash_read8(cp);
#else
retval = flash_read8(cp + info->portwidth - 1);
#endif
- flash_unmap (info, 0, offset, cp);
+ flash_unmap(info, 0, offset, cp);
return retval;
}
/*-----------------------------------------------------------------------
* read a word at a port width address, assume 16bit bus
*/
-static inline ushort flash_read_word (flash_info_t * info, uint offset)
+static inline ushort flash_read_word(flash_info_t * info, uint offset)
{
ushort *addr, retval;
- addr = flash_map (info, 0, offset);
- retval = flash_read16 (addr);
- flash_unmap (info, 0, offset, addr);
+ addr = flash_map(info, 0, offset);
+ retval = flash_read16(addr);
+ flash_unmap(info, 0, offset, addr);
return retval;
}
#ifdef DEBUG
int x;
#endif
- addr = flash_map (info, sect, offset);
+ addr = flash_map(info, sect, offset);
#ifdef DEBUG
- debug ("long addr is at %p info->portwidth = %d\n", addr,
+ debug("long addr is at %p info->portwidth = %d\n", addr,
info->portwidth);
for (x = 0; x < 4 * info->portwidth; x++) {
- debug ("addr[%x] = 0x%x\n", x, flash_read8(addr + x));
+ debug("addr[%x] = 0x%x\n", x, flash_read8(addr + x));
}
#endif
#if defined(__LITTLE_ENDIAN) || defined(CONFIG_SYS_WRITE_SWAPPED_DATA)
/*
* Write a proper sized command to the correct address
*/
-void flash_write_cmd (flash_info_t * info, flash_sect_t sect,
- uint offset, u32 cmd)
+static void flash_write_cmd(flash_info_t *info, flash_sect_t sect,
+ uint offset, u32 cmd)
{
void *addr;
cfiword_t cword;
- addr = flash_map (info, sect, offset);
- flash_make_cmd (info, cmd, &cword);
+ addr = flash_map(info, sect, offset);
+ flash_make_cmd(info, cmd, &cword);
switch (info->portwidth) {
case FLASH_CFI_8BIT:
- debug ("fwc addr %p cmd %x %x 8bit x %d bit\n", addr, cmd,
- cword.c, info->chipwidth << CFI_FLASH_SHIFT_WIDTH);
- flash_write8(cword.c, addr);
+ debug("fwc addr %p cmd %x %x 8bit x %d bit\n", addr, cmd,
+ cword.w8, info->chipwidth << CFI_FLASH_SHIFT_WIDTH);
+ flash_write8(cword.w8, addr);
break;
case FLASH_CFI_16BIT:
- debug ("fwc addr %p cmd %x %4.4x 16bit x %d bit\n", addr,
- cmd, cword.w,
+ debug("fwc addr %p cmd %x %4.4x 16bit x %d bit\n", addr,
+ cmd, cword.w16,
info->chipwidth << CFI_FLASH_SHIFT_WIDTH);
- flash_write16(cword.w, addr);
+ flash_write16(cword.w16, addr);
break;
case FLASH_CFI_32BIT:
- debug ("fwc addr %p cmd %x %8.8lx 32bit x %d bit\n", addr,
- cmd, cword.l,
+ debug("fwc addr %p cmd %x %8.8x 32bit x %d bit\n", addr,
+ cmd, cword.w32,
info->chipwidth << CFI_FLASH_SHIFT_WIDTH);
- flash_write32(cword.l, addr);
+ flash_write32(cword.w32, addr);
break;
case FLASH_CFI_64BIT:
#ifdef DEBUG
{
char str[20];
- print_longlong (str, cword.ll);
+ print_longlong(str, cword.w64);
- debug ("fwrite addr %p cmd %x %s 64 bit x %d bit\n",
+ debug("fwrite addr %p cmd %x %s 64 bit x %d bit\n",
addr, cmd, str,
info->chipwidth << CFI_FLASH_SHIFT_WIDTH);
}
#endif
- flash_write64(cword.ll, addr);
+ flash_write64(cword.w64, addr);
break;
- default:
- printf("fwc: Unknown port width %d\n", info->portwidth);
}
/* Ensure all the instructions are fully finished */
flash_unmap(info, sect, offset, addr);
}
-static void flash_unlock_seq (flash_info_t * info, flash_sect_t sect)
+static void flash_unlock_seq(flash_info_t * info, flash_sect_t sect)
{
- flash_write_cmd (info, sect, info->addr_unlock1, AMD_CMD_UNLOCK_START);
- flash_write_cmd (info, sect, info->addr_unlock2, AMD_CMD_UNLOCK_ACK);
+ flash_write_cmd(info, sect, info->addr_unlock1, AMD_CMD_UNLOCK_START);
+ flash_write_cmd(info, sect, info->addr_unlock2, AMD_CMD_UNLOCK_ACK);
}
/*-----------------------------------------------------------------------
*/
-static int flash_isequal (flash_info_t * info, flash_sect_t sect,
+static int flash_isequal(flash_info_t * info, flash_sect_t sect,
uint offset, uchar cmd)
{
void *addr;
cfiword_t cword;
int retval;
- addr = flash_map (info, sect, offset);
- flash_make_cmd (info, cmd, &cword);
+ addr = flash_map(info, sect, offset);
+ flash_make_cmd(info, cmd, &cword);
- debug ("is= cmd %x(%c) addr %p ", cmd, cmd, addr);
+ debug("is= cmd %x(%c) addr %p ", cmd, cmd, addr);
switch (info->portwidth) {
case FLASH_CFI_8BIT:
- debug ("is= %x %x\n", flash_read8(addr), cword.c);
- retval = (flash_read8(addr) == cword.c);
+ debug("is= %x %x\n", flash_read8(addr), cword.w8);
+ retval = (flash_read8(addr) == cword.w8);
break;
case FLASH_CFI_16BIT:
- debug ("is= %4.4x %4.4x\n", flash_read16(addr), cword.w);
- retval = (flash_read16(addr) == cword.w);
+ debug("is= %4.4x %4.4x\n", flash_read16(addr), cword.w16);
+ retval = (flash_read16(addr) == cword.w16);
break;
case FLASH_CFI_32BIT:
- debug ("is= %8.8x %8.8lx\n", flash_read32(addr), cword.l);
- retval = (flash_read32(addr) == cword.l);
+ debug("is= %8.8x %8.8x\n", flash_read32(addr), cword.w32);
+ retval = (flash_read32(addr) == cword.w32);
break;
case FLASH_CFI_64BIT:
#ifdef DEBUG
char str1[20];
char str2[20];
- print_longlong (str1, flash_read64(addr));
- print_longlong (str2, cword.ll);
- debug ("is= %s %s\n", str1, str2);
+ print_longlong(str1, flash_read64(addr));
+ print_longlong(str2, cword.w64);
+ debug("is= %s %s\n", str1, str2);
}
#endif
- retval = (flash_read64(addr) == cword.ll);
+ retval = (flash_read64(addr) == cword.w64);
break;
default:
retval = 0;
/*-----------------------------------------------------------------------
*/
-static int flash_isset (flash_info_t * info, flash_sect_t sect,
+static int flash_isset(flash_info_t * info, flash_sect_t sect,
uint offset, uchar cmd)
{
void *addr;
cfiword_t cword;
int retval;
- addr = flash_map (info, sect, offset);
- flash_make_cmd (info, cmd, &cword);
+ addr = flash_map(info, sect, offset);
+ flash_make_cmd(info, cmd, &cword);
switch (info->portwidth) {
case FLASH_CFI_8BIT:
- retval = ((flash_read8(addr) & cword.c) == cword.c);
+ retval = ((flash_read8(addr) & cword.w8) == cword.w8);
break;
case FLASH_CFI_16BIT:
- retval = ((flash_read16(addr) & cword.w) == cword.w);
+ retval = ((flash_read16(addr) & cword.w16) == cword.w16);
break;
case FLASH_CFI_32BIT:
- retval = ((flash_read32(addr) & cword.l) == cword.l);
+ retval = ((flash_read32(addr) & cword.w32) == cword.w32);
break;
case FLASH_CFI_64BIT:
- retval = ((flash_read64(addr) & cword.ll) == cword.ll);
+ retval = ((flash_read64(addr) & cword.w64) == cword.w64);
break;
default:
retval = 0;
/*-----------------------------------------------------------------------
*/
-static int flash_toggle (flash_info_t * info, flash_sect_t sect,
+static int flash_toggle(flash_info_t * info, flash_sect_t sect,
uint offset, uchar cmd)
{
void *addr;
cfiword_t cword;
int retval;
- addr = flash_map (info, sect, offset);
- flash_make_cmd (info, cmd, &cword);
+ addr = flash_map(info, sect, offset);
+ flash_make_cmd(info, cmd, &cword);
switch (info->portwidth) {
case FLASH_CFI_8BIT:
retval = flash_read8(addr) != flash_read8(addr);
* This routine checks the status of the chip and returns true if the
* chip is busy.
*/
-static int flash_is_busy (flash_info_t * info, flash_sect_t sect)
+static int flash_is_busy(flash_info_t * info, flash_sect_t sect)
{
int retval;
case CFI_CMDSET_INTEL_PROG_REGIONS:
case CFI_CMDSET_INTEL_STANDARD:
case CFI_CMDSET_INTEL_EXTENDED:
- retval = !flash_isset (info, sect, 0, FLASH_STATUS_DONE);
+ retval = !flash_isset(info, sect, 0, FLASH_STATUS_DONE);
break;
case CFI_CMDSET_AMD_STANDARD:
case CFI_CMDSET_AMD_EXTENDED:
#ifdef CONFIG_FLASH_CFI_LEGACY
case CFI_CMDSET_AMD_LEGACY:
#endif
- retval = flash_toggle (info, sect, 0, AMD_STATUS_TOGGLE);
+ if (info->sr_supported) {
+ flash_write_cmd(info, sect, info->addr_unlock1,
+ FLASH_CMD_READ_STATUS);
+ retval = !flash_isset(info, sect, 0,
+ FLASH_STATUS_DONE);
+ } else {
+ retval = flash_toggle(info, sect, 0,
+ AMD_STATUS_TOGGLE);
+ }
+
break;
default:
retval = 0;
}
- debug ("flash_is_busy: %d\n", retval);
+ debug("flash_is_busy: %d\n", retval);
return retval;
}
* wait for XSR.7 to be set. Time out with an error if it does not.
* This routine does not set the flash to read-array mode.
*/
-static int flash_status_check (flash_info_t * info, flash_sect_t sector,
+static int flash_status_check(flash_info_t * info, flash_sect_t sector,
ulong tout, char *prompt)
{
ulong start;
#ifdef CONFIG_SYS_LOW_RES_TIMER
reset_timer();
#endif
- start = get_timer (0);
+ start = get_timer(0);
WATCHDOG_RESET();
- while (flash_is_busy (info, sector)) {
- if (get_timer (start) > tout) {
- printf ("Flash %s timeout at address %lx data %lx\n",
+ while (flash_is_busy(info, sector)) {
+ if (get_timer(start) > tout) {
+ printf("Flash %s timeout at address %lx data %lx\n",
prompt, info->start[sector],
- flash_read_long (info, sector, 0));
- flash_write_cmd (info, sector, 0, info->cmd_reset);
+ flash_read_long(info, sector, 0));
+ flash_write_cmd(info, sector, 0, info->cmd_reset);
+ udelay(1);
return ERR_TIMOUT;
}
- udelay (1); /* also triggers watchdog */
+ udelay(1); /* also triggers watchdog */
}
return ERR_OK;
}
*
* This routine sets the flash to read-array mode.
*/
-static int flash_full_status_check (flash_info_t * info, flash_sect_t sector,
+static int flash_full_status_check(flash_info_t * info, flash_sect_t sector,
ulong tout, char *prompt)
{
int retcode;
- retcode = flash_status_check (info, sector, tout, prompt);
+ retcode = flash_status_check(info, sector, tout, prompt);
switch (info->vendor) {
case CFI_CMDSET_INTEL_PROG_REGIONS:
case CFI_CMDSET_INTEL_EXTENDED:
case CFI_CMDSET_INTEL_STANDARD:
- if ((retcode != ERR_OK)
- && !flash_isequal (info, sector, 0, FLASH_STATUS_DONE)) {
+ if ((retcode == ERR_OK)
+ && !flash_isset(info, sector, 0, FLASH_STATUS_DONE)) {
retcode = ERR_INVAL;
- printf ("Flash %s error at address %lx\n", prompt,
+ printf("Flash %s error at address %lx\n", prompt,
info->start[sector]);
- if (flash_isset (info, sector, 0, FLASH_STATUS_ECLBS |
+ if (flash_isset(info, sector, 0, FLASH_STATUS_ECLBS |
FLASH_STATUS_PSLBS)) {
- puts ("Command Sequence Error.\n");
- } else if (flash_isset (info, sector, 0,
+ puts("Command Sequence Error.\n");
+ } else if (flash_isset(info, sector, 0,
FLASH_STATUS_ECLBS)) {
- puts ("Block Erase Error.\n");
+ puts("Block Erase Error.\n");
retcode = ERR_NOT_ERASED;
- } else if (flash_isset (info, sector, 0,
+ } else if (flash_isset(info, sector, 0,
FLASH_STATUS_PSLBS)) {
- puts ("Locking Error\n");
+ puts("Locking Error\n");
}
- if (flash_isset (info, sector, 0, FLASH_STATUS_DPS)) {
- puts ("Block locked.\n");
+ if (flash_isset(info, sector, 0, FLASH_STATUS_DPS)) {
+ puts("Block locked.\n");
retcode = ERR_PROTECTED;
}
- if (flash_isset (info, sector, 0, FLASH_STATUS_VPENS))
- puts ("Vpp Low Error.\n");
+ if (flash_isset(info, sector, 0, FLASH_STATUS_VPENS))
+ puts("Vpp Low Error.\n");
}
- flash_write_cmd (info, sector, 0, info->cmd_reset);
+ flash_write_cmd(info, sector, 0, info->cmd_reset);
udelay(1);
break;
default:
/*-----------------------------------------------------------------------
*/
-static void flash_add_byte (flash_info_t * info, cfiword_t * cword, uchar c)
+static void flash_add_byte(flash_info_t * info, cfiword_t * cword, uchar c)
{
#if defined(__LITTLE_ENDIAN) && !defined(CONFIG_SYS_WRITE_SWAPPED_DATA)
unsigned short w;
switch (info->portwidth) {
case FLASH_CFI_8BIT:
- cword->c = c;
+ cword->w8 = c;
break;
case FLASH_CFI_16BIT:
#if defined(__LITTLE_ENDIAN) && !defined(CONFIG_SYS_WRITE_SWAPPED_DATA)
w = c;
w <<= 8;
- cword->w = (cword->w >> 8) | w;
+ cword->w16 = (cword->w16 >> 8) | w;
#else
- cword->w = (cword->w << 8) | c;
+ cword->w16 = (cword->w16 << 8) | c;
#endif
break;
case FLASH_CFI_32BIT:
#if defined(__LITTLE_ENDIAN) && !defined(CONFIG_SYS_WRITE_SWAPPED_DATA)
l = c;
l <<= 24;
- cword->l = (cword->l >> 8) | l;
+ cword->w32 = (cword->w32 >> 8) | l;
#else
- cword->l = (cword->l << 8) | c;
+ cword->w32 = (cword->w32 << 8) | c;
#endif
break;
case FLASH_CFI_64BIT:
#if defined(__LITTLE_ENDIAN) && !defined(CONFIG_SYS_WRITE_SWAPPED_DATA)
ll = c;
ll <<= 56;
- cword->ll = (cword->ll >> 8) | ll;
+ cword->w64 = (cword->w64 >> 8) | ll;
#else
- cword->ll = (cword->ll << 8) | c;
+ cword->w64 = (cword->w64 << 8) | c;
#endif
break;
}
* Loop through the sector table starting from the previously found sector.
* Searches forwards or backwards, dependent on the passed address.
*/
-static flash_sect_t find_sector (flash_info_t * info, ulong addr)
+static flash_sect_t find_sector(flash_info_t * info, ulong addr)
{
static flash_sect_t saved_sector; /* previously found sector */
+ static flash_info_t *saved_info; /* previously used flash bank */
flash_sect_t sector = saved_sector;
+ if ((info != saved_info) || (sector >= info->sector_count))
+ sector = 0;
+
while ((info->start[sector] < addr)
&& (sector < info->sector_count - 1))
sector++;
sector--;
saved_sector = sector;
+ saved_info = info;
return sector;
}
/*-----------------------------------------------------------------------
*/
-static int flash_write_cfiword (flash_info_t * info, ulong dest,
+static int flash_write_cfiword(flash_info_t * info, ulong dest,
cfiword_t cword)
{
void *dstaddr = (void *)dest;
/* Check if Flash is (sufficiently) erased */
switch (info->portwidth) {
case FLASH_CFI_8BIT:
- debug("%s: 8-bit 0x%02x\n", __func__, cword.c);
- flag = ((flash_read8(dstaddr) & cword.c) == cword.c);
+ flag = ((flash_read8(dstaddr) & cword.w8) == cword.w8);
break;
case FLASH_CFI_16BIT:
- debug("%s: 16-bit 0x%04x\n", __func__, cword.w);
- flag = ((flash_read16(dstaddr) & cword.w) == cword.w);
+ flag = ((flash_read16(dstaddr) & cword.w16) == cword.w16);
break;
case FLASH_CFI_32BIT:
- debug("%s: 32-bit 0x%08lx\n", __func__, cword.l);
- flag = ((flash_read32(dstaddr) & cword.l) == cword.l);
+ flag = ((flash_read32(dstaddr) & cword.w32) == cword.w32);
break;
case FLASH_CFI_64BIT:
- flag = ((flash_read64(dstaddr) & cword.ll) == cword.ll);
+ flag = ((flash_read64(dstaddr) & cword.w64) == cword.w64);
break;
default:
flag = 0;
return ERR_NOT_ERASED;
/* Disable interrupts which might cause a timeout here */
- flag = disable_interrupts ();
+ flag = disable_interrupts();
switch (info->vendor) {
case CFI_CMDSET_INTEL_PROG_REGIONS:
case CFI_CMDSET_INTEL_EXTENDED:
case CFI_CMDSET_INTEL_STANDARD:
- flash_write_cmd (info, 0, 0, FLASH_CMD_CLEAR_STATUS);
- flash_write_cmd (info, 0, 0, FLASH_CMD_WRITE);
+ flash_write_cmd(info, 0, 0, FLASH_CMD_CLEAR_STATUS);
+ flash_write_cmd(info, 0, 0, FLASH_CMD_WRITE);
break;
case CFI_CMDSET_AMD_EXTENDED:
case CFI_CMDSET_AMD_STANDARD:
sect = find_sector(info, dest);
- flash_unlock_seq (info, sect);
- flash_write_cmd (info, sect, info->addr_unlock1, AMD_CMD_WRITE);
+ flash_unlock_seq(info, sect);
+ flash_write_cmd(info, sect, info->addr_unlock1, AMD_CMD_WRITE);
sect_found = 1;
break;
#ifdef CONFIG_FLASH_CFI_LEGACY
case CFI_CMDSET_AMD_LEGACY:
sect = find_sector(info, dest);
- flash_unlock_seq (info, 0);
- flash_write_cmd (info, 0, info->addr_unlock1, AMD_CMD_WRITE);
+ flash_unlock_seq(info, 0);
+ flash_write_cmd(info, 0, info->addr_unlock1, AMD_CMD_WRITE);
sect_found = 1;
break;
#endif
switch (info->portwidth) {
case FLASH_CFI_8BIT:
- flash_write8(cword.c, dstaddr);
+ flash_write8(cword.w8, dstaddr);
break;
case FLASH_CFI_16BIT:
- flash_write16(cword.w, dstaddr);
+ flash_write16(cword.w16, dstaddr);
break;
case FLASH_CFI_32BIT:
- flash_write32(cword.l, dstaddr);
+ flash_write32(cword.w32, dstaddr);
break;
case FLASH_CFI_64BIT:
- flash_write64(cword.ll, dstaddr);
+ flash_write64(cword.w64, dstaddr);
break;
}
/* re-enable interrupts if necessary */
if (flag)
- enable_interrupts ();
+ enable_interrupts();
if (!sect_found)
- sect = find_sector (info, dest);
+ sect = find_sector(info, dest);
if (use_flash_status_poll(info))
return flash_status_poll(info, &cword, dstaddr,
#ifdef CONFIG_SYS_FLASH_USE_BUFFER_WRITE
-static int flash_write_cfibuffer (flash_info_t * info, ulong dest, uchar * cp,
+static int flash_write_cfibuffer(flash_info_t * info, ulong dest, uchar * cp,
int len)
{
flash_sect_t sector;
}
src = cp;
- sector = find_sector (info, dest);
+ sector = find_sector(info, dest);
switch (info->vendor) {
case CFI_CMDSET_INTEL_PROG_REGIONS:
case CFI_CMDSET_INTEL_EXTENDED:
write_cmd = (info->vendor == CFI_CMDSET_INTEL_PROG_REGIONS) ?
FLASH_CMD_WRITE_BUFFER_PROG : FLASH_CMD_WRITE_TO_BUFFER;
- flash_write_cmd (info, sector, 0, FLASH_CMD_CLEAR_STATUS);
- flash_write_cmd (info, sector, 0, FLASH_CMD_READ_STATUS);
- flash_write_cmd (info, sector, 0, write_cmd);
- retcode = flash_status_check (info, sector,
+ flash_write_cmd(info, sector, 0, FLASH_CMD_CLEAR_STATUS);
+ flash_write_cmd(info, sector, 0, FLASH_CMD_READ_STATUS);
+ flash_write_cmd(info, sector, 0, write_cmd);
+ retcode = flash_status_check(info, sector,
info->buffer_write_tout,
"write to buffer");
if (retcode == ERR_OK) {
/* reduce the number of loops by the width of
* the port */
cnt = len >> shift;
- flash_write_cmd (info, sector, 0, cnt - 1);
+ flash_write_cmd(info, sector, 0, cnt - 1);
while (cnt-- > 0) {
switch (info->portwidth) {
case FLASH_CFI_8BIT:
goto out_unmap;
}
}
- flash_write_cmd (info, sector, 0,
+ flash_write_cmd(info, sector, 0,
FLASH_CMD_WRITE_BUFFER_CONFIRM);
- retcode = flash_full_status_check (
+ retcode = flash_full_status_check(
info, sector, info->buffer_write_tout,
"buffer write");
}
case CFI_CMDSET_AMD_STANDARD:
case CFI_CMDSET_AMD_EXTENDED:
- flash_unlock_seq(info,0);
+ flash_unlock_seq(info, sector);
#ifdef CONFIG_FLASH_SPANSION_S29WS_N
offset = ((unsigned long)dst - info->start[sector]) >> shift;
goto out_unmap;
}
- flash_write_cmd (info, sector, 0, AMD_CMD_WRITE_BUFFER_CONFIRM);
+ flash_write_cmd(info, sector, 0, AMD_CMD_WRITE_BUFFER_CONFIRM);
if (use_flash_status_poll(info))
retcode = flash_status_poll(info, src - (1 << shift),
dst - (1 << shift),
break;
default:
- debug ("Unknown Command Set\n");
+ debug("Unknown Command Set\n");
retcode = ERR_INVAL;
break;
}
/*-----------------------------------------------------------------------
*/
-int flash_erase (flash_info_t * info, int s_first, int s_last)
+int flash_erase(flash_info_t * info, int s_first, int s_last)
{
int rcode = 0;
int prot;
flash_sect_t sect;
int st;
- debug("%s: erasing sectors %d to %d\n", __func__, s_first, s_last);
-
if (info->flash_id != FLASH_MAN_CFI) {
- puts ("Can't erase unknown flash type - aborted\n");
+ puts("Can't erase unknown flash type - aborted\n");
return 1;
}
if ((s_first < 0) || (s_first > s_last)) {
- puts ("- no sectors to erase\n");
+ puts("- no sectors to erase\n");
return 1;
}
}
}
if (prot) {
- printf ("- Warning: %d protected sectors will not be erased!\n",
+ printf("- Warning: %d protected sectors will not be erased!\n",
prot);
} else if (flash_verbose) {
- putc ('\n');
+ putc('\n');
}
case CFI_CMDSET_INTEL_PROG_REGIONS:
case CFI_CMDSET_INTEL_STANDARD:
case CFI_CMDSET_INTEL_EXTENDED:
- flash_write_cmd (info, sect, 0,
+ flash_write_cmd(info, sect, 0,
FLASH_CMD_CLEAR_STATUS);
- flash_write_cmd (info, sect, 0,
+ flash_write_cmd(info, sect, 0,
FLASH_CMD_BLOCK_ERASE);
- flash_write_cmd (info, sect, 0,
+ flash_write_cmd(info, sect, 0,
FLASH_CMD_ERASE_CONFIRM);
break;
case CFI_CMDSET_AMD_STANDARD:
case CFI_CMDSET_AMD_EXTENDED:
- flash_unlock_seq (info, sect);
- flash_write_cmd (info, sect,
+ flash_unlock_seq(info, sect);
+ flash_write_cmd(info, sect,
info->addr_unlock1,
AMD_CMD_ERASE_START);
- flash_unlock_seq (info, sect);
- flash_write_cmd (info, sect, 0,
+ flash_unlock_seq(info, sect);
+ flash_write_cmd(info, sect, 0,
info->cmd_erase_sector);
break;
#ifdef CONFIG_FLASH_CFI_LEGACY
case CFI_CMDSET_AMD_LEGACY:
- flash_unlock_seq (info, 0);
- flash_write_cmd (info, 0, info->addr_unlock1,
+ flash_unlock_seq(info, 0);
+ flash_write_cmd(info, 0, info->addr_unlock1,
AMD_CMD_ERASE_START);
- flash_unlock_seq (info, 0);
- flash_write_cmd (info, sect, 0,
+ flash_unlock_seq(info, 0);
+ flash_write_cmd(info, sect, 0,
AMD_CMD_ERASE_SECTOR);
break;
#endif
default:
- debug ("Unkown flash vendor %d\n",
+ debug("Unkown flash vendor %d\n",
info->vendor);
break;
}
if (use_flash_status_poll(info)) {
cfiword_t cword;
void *dest;
- cword.ll = 0xffffffffffffffffULL;
+ cword.w64 = 0xffffffffffffffffULL;
dest = flash_map(info, sect, 0);
st = flash_status_poll(info, &cword, dest,
info->erase_blk_tout, "erase");
if (st)
rcode = 1;
else if (flash_verbose)
- putc ('.');
- } else {
- debug("\nSector %d is protected.\n",
- info->protect[sect]);
+ putc('.');
}
}
if (flash_verbose)
- puts (" done\n");
+ puts(" done\n");
return rcode;
}
}
#endif /* CONFIG_SYS_FLASH_EMPTY_INFO */
-void flash_print_info (flash_info_t * info)
+void flash_print_info(flash_info_t * info)
{
int i;
if (info->flash_id != FLASH_MAN_CFI) {
- puts ("missing or unknown FLASH type\n");
+ puts("missing or unknown FLASH type\n");
return;
}
- printf ("%s flash (%d x %d)",
+ printf("%s flash (%d x %d)",
info->name,
(info->portwidth << 3), (info->chipwidth << 3));
if (info->size < 1024*1024)
- printf (" Size: %ld kB in %d Sectors\n",
+ printf(" Size: %ld kB in %d Sectors\n",
info->size >> 10, info->sector_count);
else
- printf (" Size: %ld MB in %d Sectors\n",
+ printf(" Size: %ld MB in %d Sectors\n",
info->size >> 20, info->sector_count);
- printf (" ");
+ printf(" ");
switch (info->vendor) {
case CFI_CMDSET_INTEL_PROG_REGIONS:
- printf ("Intel Prog Regions");
+ printf("Intel Prog Regions");
break;
case CFI_CMDSET_INTEL_STANDARD:
- printf ("Intel Standard");
+ printf("Intel Standard");
break;
case CFI_CMDSET_INTEL_EXTENDED:
- printf ("Intel Extended");
+ printf("Intel Extended");
break;
case CFI_CMDSET_AMD_STANDARD:
- printf ("AMD Standard");
+ printf("AMD Standard");
break;
case CFI_CMDSET_AMD_EXTENDED:
- printf ("AMD Extended");
+ printf("AMD Extended");
break;
#ifdef CONFIG_FLASH_CFI_LEGACY
case CFI_CMDSET_AMD_LEGACY:
- printf ("AMD Legacy");
+ printf("AMD Legacy");
break;
#endif
default:
- printf ("Unknown (%d)", info->vendor);
+ printf("Unknown (%d)", info->vendor);
break;
}
- printf (" command set, Manufacturer ID: 0x%02X, Device ID: 0x",
+ printf(" command set, Manufacturer ID: 0x%02X, Device ID: 0x",
info->manufacturer_id);
- printf (info->chipwidth == FLASH_CFI_16BIT ? "%04X" : "%02X",
+ printf(info->chipwidth == FLASH_CFI_16BIT ? "%04X" : "%02X",
info->device_id);
if ((info->device_id & 0xff) == 0x7E) {
printf(info->chipwidth == FLASH_CFI_16BIT ? "%04X" : "%02X",
}
if ((info->vendor == CFI_CMDSET_AMD_STANDARD) && (info->legacy_unlock))
printf("\n Advanced Sector Protection (PPB) enabled");
- printf ("\n Erase timeout: %ld ms, write timeout: %ld ms\n",
+ printf("\n Erase timeout: %ld ms, write timeout: %ld ms\n",
info->erase_blk_tout,
info->write_tout);
if (info->buffer_size > 1) {
- printf (" Buffer write timeout: %ld ms, "
+ printf(" Buffer write timeout: %ld ms, "
"buffer size: %d bytes\n",
info->buffer_write_tout,
info->buffer_size);
}
- puts ("\n Sector Start Addresses:");
+ puts("\n Sector Start Addresses:");
for (i = 0; i < info->sector_count; ++i) {
if (ctrlc())
break;
putc('\n');
#ifdef CONFIG_SYS_FLASH_EMPTY_INFO
/* print empty and read-only info */
- printf (" %08lX %c %s ",
+ printf(" %08lX %c %s ",
info->start[i],
sector_erased(info, i) ? 'E' : ' ',
info->protect[i] ? "RO" : " ");
#else /* ! CONFIG_SYS_FLASH_EMPTY_INFO */
- printf (" %08lX %s ",
+ printf(" %08lX %s ",
info->start[i],
info->protect[i] ? "RO" : " ");
#endif
}
- putc ('\n');
+ putc('\n');
return;
}
dots -= dots_sub; \
if ((scale > 0) && (dots <= 0)) { \
if ((digit % 5) == 0) \
- printf ("%d", digit / 5); \
+ printf("%d", digit / 5); \
else \
- putc ('.'); \
+ putc('.'); \
digit--; \
dots += scale; \
} \
* 1 - write timeout
* 2 - Flash not erased
*/
-int write_buff (flash_info_t * info, uchar * src, ulong addr, ulong cnt)
+int write_buff(flash_info_t * info, uchar * src, ulong addr, ulong cnt)
{
ulong wp;
uchar *p;
/* handle unaligned start */
if ((aln = addr - wp) != 0) {
- cword.l = 0;
+ cword.w32 = 0;
p = (uchar *)wp;
for (i = 0; i < aln; ++i)
- flash_add_byte (info, &cword, flash_read8(p + i));
+ flash_add_byte(info, &cword, flash_read8(p + i));
for (; (i < info->portwidth) && (cnt > 0); i++) {
- flash_add_byte (info, &cword, *src++);
+ flash_add_byte(info, &cword, *src++);
cnt--;
}
for (; (cnt == 0) && (i < info->portwidth); ++i)
- flash_add_byte (info, &cword, flash_read8(p + i));
+ flash_add_byte(info, &cword, flash_read8(p + i));
- rc = flash_write_cfiword (info, wp, cword);
+ rc = flash_write_cfiword(info, wp, cword);
if (rc != 0)
return rc;
while (cnt >= info->portwidth) {
/* prohibit buffer write when buffer_size is 1 */
if (info->buffer_size == 1) {
- cword.l = 0;
+ cword.w32 = 0;
for (i = 0; i < info->portwidth; i++)
- flash_add_byte (info, &cword, *src++);
- if ((rc = flash_write_cfiword (info, wp, cword)) != 0)
+ flash_add_byte(info, &cword, *src++);
+ if ((rc = flash_write_cfiword(info, wp, cword)) != 0)
return rc;
wp += info->portwidth;
cnt -= info->portwidth;
i = buffered_size - (wp % buffered_size);
if (i > cnt)
i = cnt;
- if ((rc = flash_write_cfibuffer (info, wp, src, i)) != ERR_OK)
+ if ((rc = flash_write_cfibuffer(info, wp, src, i)) != ERR_OK)
return rc;
i -= i & (info->portwidth - 1);
wp += i;
}
#else
while (cnt >= info->portwidth) {
- cword.l = 0;
+ cword.w32 = 0;
for (i = 0; i < info->portwidth; i++) {
- flash_add_byte (info, &cword, *src++);
+ flash_add_byte(info, &cword, *src++);
}
- if ((rc = flash_write_cfiword (info, wp, cword)) != 0)
+ if ((rc = flash_write_cfiword(info, wp, cword)) != 0)
return rc;
wp += info->portwidth;
cnt -= info->portwidth;
/*
* handle unaligned tail bytes
*/
- cword.l = 0;
+ cword.w32 = 0;
p = (uchar *)wp;
for (i = 0; (i < info->portwidth) && (cnt > 0); ++i) {
- flash_add_byte (info, &cword, *src++);
+ flash_add_byte(info, &cword, *src++);
--cnt;
}
for (; i < info->portwidth; ++i)
- flash_add_byte (info, &cword, flash_read8(p + i));
+ flash_add_byte(info, &cword, flash_read8(p + i));
- return flash_write_cfiword (info, wp, cword);
+ return flash_write_cfiword(info, wp, cword);
}
static inline int manufact_match(flash_info_t *info, u32 manu)
cmd = FLASH_CMD_PROTECT_SET;
else
cmd = FLASH_CMD_PROTECT_CLEAR;
- flash_write_cmd(info, sector, 0,
- FLASH_CMD_PROTECT);
+
+ flash_write_cmd(info, sector, 0, FLASH_CMD_PROTECT);
flash_write_cmd(info, sector, 0, cmd);
/* re-enable interrupts if necessary */
if (flag)
return 0;
}
-int flash_real_protect (flash_info_t * info, long sector, int prot)
+int flash_real_protect(flash_info_t * info, long sector, int prot)
{
int retcode = 0;
/* U-Boot only checks the first byte */
if (manufact_match(info, ATM_MANUFACT)) {
if (prot) {
- flash_unlock_seq (info, 0);
- flash_write_cmd (info, 0,
+ flash_unlock_seq(info, 0);
+ flash_write_cmd(info, 0,
info->addr_unlock1,
ATM_CMD_SOFTLOCK_START);
- flash_unlock_seq (info, 0);
- flash_write_cmd (info, sector, 0,
+ flash_unlock_seq(info, 0);
+ flash_write_cmd(info, sector, 0,
ATM_CMD_LOCK_SECT);
} else {
- flash_write_cmd (info, 0,
+ flash_write_cmd(info, 0,
info->addr_unlock1,
AMD_CMD_UNLOCK_START);
if (info->device_id == ATM_ID_BV6416)
- flash_write_cmd (info, sector,
+ flash_write_cmd(info, sector,
0, ATM_CMD_UNLOCK_SECT);
}
}
break;
#ifdef CONFIG_FLASH_CFI_LEGACY
case CFI_CMDSET_AMD_LEGACY:
- flash_write_cmd (info, sector, 0, FLASH_CMD_CLEAR_STATUS);
- flash_write_cmd (info, sector, 0, FLASH_CMD_PROTECT);
+ flash_write_cmd(info, sector, 0, FLASH_CMD_CLEAR_STATUS);
+ flash_write_cmd(info, sector, 0, FLASH_CMD_PROTECT);
if (prot)
- flash_write_cmd (info, sector, 0, FLASH_CMD_PROTECT_SET);
+ flash_write_cmd(info, sector, 0, FLASH_CMD_PROTECT_SET);
else
- flash_write_cmd (info, sector, 0, FLASH_CMD_PROTECT_CLEAR);
+ flash_write_cmd(info, sector, 0, FLASH_CMD_PROTECT_CLEAR);
#endif
};
*/
flash_write_cmd(info, sector, 0, FLASH_CMD_READ_STATUS);
if ((retcode =
- flash_full_status_check (info, sector, info->erase_blk_tout,
+ flash_full_status_check(info, sector, info->erase_blk_tout,
prot ? "protect" : "unprotect")) == 0) {
info->protect[sector] = prot;
for (i = 0; i < info->sector_count; i++) {
if (info->protect[i])
- flash_real_protect (info, i, 1);
+ flash_real_protect(info, i, 1);
}
}
}
/*-----------------------------------------------------------------------
* flash_read_user_serial - read the OneTimeProgramming cells
*/
-void flash_read_user_serial (flash_info_t * info, void *buffer, int offset,
+void flash_read_user_serial(flash_info_t * info, void *buffer, int offset,
int len)
{
uchar *src;
uchar *dst;
dst = buffer;
- src = flash_map (info, 0, FLASH_OFFSET_USER_PROTECTION);
- flash_write_cmd (info, 0, 0, FLASH_CMD_READ_ID);
- memcpy (dst, src + offset, len);
- flash_write_cmd (info, 0, 0, info->cmd_reset);
+ src = flash_map(info, 0, FLASH_OFFSET_USER_PROTECTION);
+ flash_write_cmd(info, 0, 0, FLASH_CMD_READ_ID);
+ memcpy(dst, src + offset, len);
+ flash_write_cmd(info, 0, 0, info->cmd_reset);
udelay(1);
flash_unmap(info, 0, FLASH_OFFSET_USER_PROTECTION, src);
}
/*
* flash_read_factory_serial - read the device Id from the protection area
*/
-void flash_read_factory_serial (flash_info_t * info, void *buffer, int offset,
+void flash_read_factory_serial(flash_info_t * info, void *buffer, int offset,
int len)
{
uchar *src;
- src = flash_map (info, 0, FLASH_OFFSET_INTEL_PROTECTION);
- flash_write_cmd (info, 0, 0, FLASH_CMD_READ_ID);
- memcpy (buffer, src + offset, len);
- flash_write_cmd (info, 0, 0, info->cmd_reset);
+ src = flash_map(info, 0, FLASH_OFFSET_INTEL_PROTECTION);
+ flash_write_cmd(info, 0, 0, FLASH_CMD_READ_ID);
+ memcpy(buffer, src + offset, len);
+ flash_write_cmd(info, 0, 0, info->cmd_reset);
udelay(1);
flash_unmap(info, 0, FLASH_OFFSET_INTEL_PROTECTION, src);
}
u32 tmp;
for (i = 0, j = qry->num_erase_regions - 1; i < j; i++, j--) {
- tmp = qry->erase_region_info[i];
- qry->erase_region_info[i] = qry->erase_region_info[j];
- qry->erase_region_info[j] = tmp;
+ tmp = get_unaligned(&(qry->erase_region_info[i]));
+ put_unaligned(get_unaligned(&(qry->erase_region_info[j])),
+ &(qry->erase_region_info[i]));
+ put_unaligned(tmp, &(qry->erase_region_info[j]));
}
}
udelay(1);
flash_write_cmd(info, 0, 0, FLASH_CMD_READ_ID);
udelay(1000); /* some flash are slow to respond */
- info->manufacturer_id = flash_read_uchar (info,
+ info->manufacturer_id = flash_read_uchar(info,
FLASH_OFFSET_MANUFACTURER_ID);
info->device_id = (info->chipwidth == FLASH_CFI_16BIT) ?
- flash_read_word (info, FLASH_OFFSET_DEVICE_ID) :
- flash_read_uchar (info, FLASH_OFFSET_DEVICE_ID);
+ flash_read_word(info, FLASH_OFFSET_DEVICE_ID) :
+ flash_read_uchar(info, FLASH_OFFSET_DEVICE_ID);
flash_write_cmd(info, 0, 0, FLASH_CMD_RESET);
}
#ifdef CONFIG_SYS_FLASH_PROTECTION
/* read legacy lock/unlock bit from intel flash */
if (info->ext_addr) {
- info->legacy_unlock = flash_read_uchar (info,
+ info->legacy_unlock = flash_read_uchar(info,
info->ext_addr + 5) & 0x08;
}
#endif
{
ushort bankId = 0;
uchar manuId;
+ uchar feature;
flash_write_cmd(info, 0, 0, AMD_CMD_RESET);
flash_unlock_seq(info, 0);
flash_write_cmd(info, 0, info->addr_unlock1, FLASH_CMD_READ_ID);
udelay(1000); /* some flash are slow to respond */
- manuId = flash_read_uchar (info, FLASH_OFFSET_MANUFACTURER_ID);
+ manuId = flash_read_uchar(info, FLASH_OFFSET_MANUFACTURER_ID);
/* JEDEC JEP106Z specifies ID codes up to bank 7 */
while (manuId == FLASH_CONTINUATION_CODE && bankId < 0x800) {
bankId += 0x100;
- manuId = flash_read_uchar (info,
+ manuId = flash_read_uchar(info,
bankId | FLASH_OFFSET_MANUFACTURER_ID);
}
info->manufacturer_id = manuId;
+ debug("info->ext_addr = 0x%x, cfi_version = 0x%x\n",
+ info->ext_addr, info->cfi_version);
+ if (info->ext_addr && info->cfi_version >= 0x3134) {
+ /* read software feature (at 0x53) */
+ feature = flash_read_uchar(info, info->ext_addr + 0x13);
+ debug("feature = 0x%x\n", feature);
+ info->sr_supported = feature & 0x1;
+ }
+
switch (info->chipwidth){
case FLASH_CFI_8BIT:
- info->device_id = flash_read_uchar (info,
+ info->device_id = flash_read_uchar(info,
FLASH_OFFSET_DEVICE_ID);
if (info->device_id == 0x7E) {
/* AMD 3-byte (expanded) device ids */
- info->device_id2 = flash_read_uchar (info,
+ info->device_id2 = flash_read_uchar(info,
FLASH_OFFSET_DEVICE_ID2);
info->device_id2 <<= 8;
- info->device_id2 |= flash_read_uchar (info,
+ info->device_id2 |= flash_read_uchar(info,
FLASH_OFFSET_DEVICE_ID3);
}
break;
case FLASH_CFI_16BIT:
- info->device_id = flash_read_word (info,
+ info->device_id = flash_read_word(info,
FLASH_OFFSET_DEVICE_ID);
if ((info->device_id & 0xff) == 0x7E) {
/* AMD 3-byte (expanded) device ids */
- info->device_id2 = flash_read_uchar (info,
+ info->device_id2 = flash_read_uchar(info,
FLASH_OFFSET_DEVICE_ID2);
info->device_id2 <<= 8;
- info->device_id2 |= flash_read_uchar (info,
+ info->device_id2 |= flash_read_uchar(info,
FLASH_OFFSET_DEVICE_ID3);
}
break;
}
#ifdef CONFIG_FLASH_CFI_LEGACY
-static void flash_read_jedec_ids (flash_info_t * info)
+static void flash_read_jedec_ids(flash_info_t * info)
{
info->manufacturer_id = 0;
info->device_id = 0;
};
int i;
- for (i = 0; i < sizeof(modes) / sizeof(modes[0]); i++) {
+ for (i = 0; i < ARRAY_SIZE(modes); i++) {
info->vendor = modes[i];
info->start[0] =
(ulong)map_physmem(base,
break;
else
unmap_physmem((void *)info->start[0],
- MAP_NOCACHE);
+ info->portwidth);
}
}
* detect if flash is compatible with the Common Flash Interface (CFI)
* http://www.jedec.org/download/search/jesd68.pdf
*/
-static void flash_read_cfi (flash_info_t *info, void *buf,
+static void flash_read_cfi(flash_info_t *info, void *buf,
unsigned int start, size_t len)
{
u8 *p = buf;
unsigned int i;
for (i = 0; i < len; i++)
- p[i] = flash_read_uchar(info, start + (i * 2));
+ p[i] = flash_read_uchar(info, start + i);
}
static void __flash_cmd_reset(flash_info_t *info)
void flash_cmd_reset(flash_info_t *info)
__attribute__((weak,alias("__flash_cmd_reset")));
-static int __flash_detect_cfi (flash_info_t * info, struct cfi_qry *qry)
+static int __flash_detect_cfi(flash_info_t * info, struct cfi_qry *qry)
{
int cfi_offset;
- for (cfi_offset=0;
- cfi_offset < sizeof(flash_offset_cfi) / sizeof(uint);
+ /* Issue FLASH reset command */
+ flash_cmd_reset(info);
+
+ for (cfi_offset = 0; cfi_offset < ARRAY_SIZE(flash_offset_cfi);
cfi_offset++) {
- /* Issue FLASH reset command */
- flash_cmd_reset(info);
- flash_write_cmd (info, 0, flash_offset_cfi[cfi_offset],
+ flash_write_cmd(info, 0, flash_offset_cfi[cfi_offset],
FLASH_CMD_CFI);
- if (flash_isequal(info, 0, FLASH_OFFSET_CFI_RESP, 'Q') &&
- flash_isequal(info, 0,
- FLASH_OFFSET_CFI_RESP + 2, 'R') &&
- flash_isequal(info, 0,
- FLASH_OFFSET_CFI_RESP + 4, 'Y')) {
+ if (flash_isequal(info, 0, FLASH_OFFSET_CFI_RESP, 'Q')
+ && flash_isequal(info, 0, FLASH_OFFSET_CFI_RESP + 1, 'R')
+ && flash_isequal(info, 0, FLASH_OFFSET_CFI_RESP + 2, 'Y')) {
flash_read_cfi(info, qry, FLASH_OFFSET_CFI_RESP,
sizeof(struct cfi_qry));
-#ifdef CONFIG_SYS_FLASH_INTERFACE_WIDTH
- info->interface = CONFIG_SYS_FLASH_INTERFACE_WIDTH;
-#else
info->interface = le16_to_cpu(qry->interface_desc);
- /* Some flash chips can support multiple bus widths.
- * In this case, override the interface width and
- * limit it to the port width.
- */
- if ((info->interface == FLASH_CFI_X8X16) &&
- (info->portwidth == FLASH_CFI_8BIT)) {
- debug("Overriding 16-bit interface"
- " width to 8-bit port width.\n");
- info->interface = FLASH_CFI_X8;
- } else if ((info->interface == FLASH_CFI_X16X32) &&
- (info->portwidth == FLASH_CFI_16BIT)) {
- debug("Overriding 16-bit interface"
- " width to 16-bit port width.\n");
- info->interface = FLASH_CFI_X16;
- }
-#endif
+
info->cfi_offset = flash_offset_cfi[cfi_offset];
- debug ("device interface is %d\n",
+ debug("device interface is %d\n",
info->interface);
- debug ("found port %d chip %d ",
+ debug("found port %d chip %d ",
info->portwidth, info->chipwidth);
- debug ("port %d bits chip %d bits\n",
+ debug("port %d bits chip %d bits\n",
info->portwidth << CFI_FLASH_SHIFT_WIDTH,
info->chipwidth << CFI_FLASH_SHIFT_WIDTH);
/* calculate command offsets as in the Linux driver */
- info->addr_unlock1 = 0xaaa;
- info->addr_unlock2 = 0x555;
+ info->addr_unlock1 = 0x555;
+ info->addr_unlock2 = 0x2aa;
/*
* modify the unlock address if we are
return 0;
}
-static int flash_detect_cfi (flash_info_t * info, struct cfi_qry *qry)
+static int flash_detect_cfi(flash_info_t * info, struct cfi_qry *qry)
{
- debug ("flash detect cfi\n");
+ debug("flash detect cfi\n");
for (info->portwidth = CONFIG_SYS_FLASH_CFI_WIDTH;
info->portwidth <= FLASH_CFI_64BIT; info->portwidth <<= 1) {
for (info->chipwidth = FLASH_CFI_BY8;
info->chipwidth <= info->portwidth;
info->chipwidth <<= 1)
- if (__flash_detect_cfi(info, qry)) {
- debug("Found CFI flash, portwidth %d,"
- " chipwidth %d\n",
- info->portwidth, info->chipwidth);
+ if (__flash_detect_cfi(info, qry))
return 1;
- }
}
- debug ("not found\n");
+ debug("not found\n");
return 0;
}
/* CFI < 1.1, try to guess from device id */
if ((info->device_id & 0x80) != 0)
cfi_reverse_geometry(qry);
- } else if (flash_read_uchar(info, info->ext_addr + 0x1e) == 3) {
+ } else if (flash_read_uchar(info, info->ext_addr + 0xf) == 3) {
/* CFI >= 1.1, deduct from top/bottom flag */
/* note: ext_addr is valid since cfi_version > 0 */
cfi_reverse_geometry(qry);
* The following code cannot be run from FLASH!
*
*/
-ulong flash_get_size (phys_addr_t base, int banknum)
+ulong flash_get_size(phys_addr_t base, int banknum)
{
flash_info_t *info = &flash_info[banknum];
int i, j;
info->start[0] = (ulong)map_physmem(base, info->portwidth, MAP_NOCACHE);
- if (flash_detect_cfi (info, &qry)) {
- info->vendor = le16_to_cpu(qry.p_id);
- info->ext_addr = le16_to_cpu(qry.p_adr) * 2;
- debug("extended address is 0x%x\n", info->ext_addr);
+ if (flash_detect_cfi(info, &qry)) {
+ info->vendor = le16_to_cpu(get_unaligned(&(qry.p_id)));
+ info->ext_addr = le16_to_cpu(get_unaligned(&(qry.p_adr)));
num_erase_regions = qry.num_erase_regions;
if (info->ext_addr) {
- info->cfi_version = (ushort) flash_read_uchar (info,
- info->ext_addr + 6) << 8;
- info->cfi_version |= (ushort) flash_read_uchar (info,
- info->ext_addr + 8);
+ info->cfi_version = (ushort) flash_read_uchar(info,
+ info->ext_addr + 3) << 8;
+ info->cfi_version |= (ushort) flash_read_uchar(info,
+ info->ext_addr + 4);
}
#ifdef DEBUG
- flash_printqry (&qry);
+ flash_printqry(&qry);
#endif
switch (info->vendor) {
break;
}
- debug ("manufacturer is %d\n", info->vendor);
- debug ("manufacturer id is 0x%x\n", info->manufacturer_id);
- debug ("device id is 0x%x\n", info->device_id);
- debug ("device id2 is 0x%x\n", info->device_id2);
- debug ("cfi version is 0x%04x\n", info->cfi_version);
- debug("port width: %d, chipwidth: %d, interface: %d\n",
- info->portwidth, info->chipwidth, info->interface);
+ debug("manufacturer is %d\n", info->vendor);
+ debug("manufacturer id is 0x%x\n", info->manufacturer_id);
+ debug("device id is 0x%x\n", info->device_id);
+ debug("device id2 is 0x%x\n", info->device_id2);
+ debug("cfi version is 0x%04x\n", info->cfi_version);
size_ratio = info->portwidth / info->chipwidth;
/* if the chip is x8/x16 reduce the ratio by half */
&& (info->chipwidth == FLASH_CFI_BY8)) {
size_ratio >>= 1;
}
- debug ("size_ratio %d port %d bits chip %d bits\n",
+ debug("size_ratio %d port %d bits chip %d bits\n",
size_ratio, info->portwidth << CFI_FLASH_SHIFT_WIDTH,
info->chipwidth << CFI_FLASH_SHIFT_WIDTH);
info->size = 1 << qry.dev_size;
debug("[truncated from %ldMiB]", info->size >> 20);
info->size = max_size;
}
- debug ("found %d erase regions\n", num_erase_regions);
+ debug("found %d erase regions\n", num_erase_regions);
sect_cnt = 0;
sector = base;
for (i = 0; i < num_erase_regions; i++) {
if (i > NUM_ERASE_REGIONS) {
- printf ("%d erase regions found, only %d used\n",
+ printf("%d erase regions found, only %d used\n",
num_erase_regions, NUM_ERASE_REGIONS);
break;
}
- tmp = le32_to_cpu(qry.erase_region_info[i]);
+ tmp = le32_to_cpu(get_unaligned(
+ &(qry.erase_region_info[i])));
debug("erase region %u: 0x%08lx\n", i, tmp);
erase_region_count = (tmp & 0xffff) + 1;
tmp >>= 16;
erase_region_size =
(tmp & 0xffff) ? ((tmp & 0xffff) * 256) : 128;
- debug ("erase_region_count = %d erase_region_size = %d\n",
+ debug("erase_region_count = %d erase_region_size = %d\n",
erase_region_count, erase_region_size);
for (j = 0; j < erase_region_count; j++) {
if (sector - base >= info->size)
flash_write_cmd(info, sect_cnt, 0,
FLASH_CMD_READ_ID);
info->protect[sect_cnt] =
- flash_isset (info, sect_cnt,
+ flash_isset(info, sect_cnt,
FLASH_OFFSET_PROTECT,
FLASH_STATUS_PROTECT);
+ flash_write_cmd(info, sect_cnt, 0,
+ FLASH_CMD_RESET);
break;
case CFI_CMDSET_AMD_EXTENDED:
case CFI_CMDSET_AMD_STANDARD:
info->portwidth >>= 1;
}
- flash_write_cmd (info, 0, 0, info->cmd_reset);
+ flash_write_cmd(info, 0, 0, info->cmd_reset);
}
return (info->size);
/*-----------------------------------------------------------------------
*/
-void flash_protect_default(void)
+static void flash_protect_default(void)
{
#if defined(CONFIG_SYS_FLASH_AUTOPROTECT_LIST)
int i;
#endif
#if defined(CONFIG_SYS_FLASH_AUTOPROTECT_LIST)
- for (i = 0; i < (sizeof(apl) / sizeof(struct apl_s)); i++) {
+ for (i = 0; i < ARRAY_SIZE(apl); i++) {
debug("autoprotecting from %08lx to %08lx\n",
apl[i].start, apl[i].start + apl[i].size - 1);
flash_protect(FLAG_PROTECT_SET,
#endif
}
-unsigned long flash_init (void)
+unsigned long flash_init(void)
{
unsigned long size = 0;
int i;
#ifdef CONFIG_SYS_FLASH_PROTECTION
/* read environment from EEPROM */
char s[64];
- getenv_f("unlock", s, sizeof(s));
+ env_get_f("unlock", s, sizeof(s));
+#endif
+
+#ifdef CONFIG_CFI_FLASH /* for driver model */
+ cfi_flash_init_dm();
#endif
/* Init: no FLASHes known */
size += flash_info[i].size;
if (flash_info[i].flash_id == FLASH_UNKNOWN) {
#ifndef CONFIG_SYS_FLASH_QUIET_TEST
- printf ("## Unknown flash on Bank %d "
+ printf("## Unknown flash on Bank %d "
"- Size = 0x%08lx = %ld MB\n",
i+1, flash_info[i].size,
flash_info[i].size >> 20);
#endif /* CONFIG_SYS_FLASH_QUIET_TEST */
}
#ifdef CONFIG_SYS_FLASH_PROTECTION
- else if ((s != NULL) && (strcmp(s, "yes") == 0)) {
+ else if (strcmp(s, "yes") == 0) {
/*
* Only the U-Boot image and it's environment
* is protected, all other sectors are
* unlock only one sector. This will
* unlock all sectors.
*/
- flash_real_protect (&flash_info[i], 0, 0);
+ flash_real_protect(&flash_info[i], 0, 0);
flash_info[i].legacy_unlock = 1;
/*
* No legancy unlocking -> unlock all sectors
*/
- flash_protect (FLAG_PROTECT_CLEAR,
+ flash_protect(FLAG_PROTECT_CLEAR,
flash_info[i].start[0],
flash_info[i].start[0]
+ flash_info[i].size - 1,
return (size);
}
+
+#ifdef CONFIG_CFI_FLASH /* for driver model */
+static int cfi_flash_probe(struct udevice *dev)
+{
+ void *blob = (void *)gd->fdt_blob;
+ int node = dev_of_offset(dev);
+ const fdt32_t *cell;
+ phys_addr_t addr;
+ int parent, addrc, sizec;
+ int len, idx;
+
+ parent = fdt_parent_offset(blob, node);
+ fdt_support_default_count_cells(blob, parent, &addrc, &sizec);
+ /* decode regs, there may be multiple reg tuples. */
+ cell = fdt_getprop(blob, node, "reg", &len);
+ if (!cell)
+ return -ENOENT;
+ idx = 0;
+ len /= sizeof(fdt32_t);
+ while (idx < len) {
+ addr = fdt_translate_address((void *)blob,
+ node, cell + idx);
+ flash_info[cfi_flash_num_flash_banks].dev = dev;
+ flash_info[cfi_flash_num_flash_banks].base = addr;
+ cfi_flash_num_flash_banks++;
+ idx += addrc + sizec;
+ }
+ gd->bd->bi_flashstart = flash_info[0].base;
+
+ return 0;
+}
+
+static const struct udevice_id cfi_flash_ids[] = {
+ { .compatible = "cfi-flash" },
+ { .compatible = "jedec-flash" },
+ {}
+};
+
+U_BOOT_DRIVER(cfi_flash) = {
+ .name = "cfi_flash",
+ .id = UCLASS_MTD,
+ .of_match = cfi_flash_ids,
+ .probe = cfi_flash_probe,
+};
+#endif /* CONFIG_CFI_FLASH */