* (C) Copyright 2002 Jun Gu <jung@artesyncp.com>
* Add support for Am29F016D and dynamic switch setting.
*
- * 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+
*/
/*
*/
#include <common.h>
-#include <ppc4xx.h>
+#include <asm/ppc4xx.h>
#include <asm/processor.h>
-flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; /* info for FLASH chips */
+flash_info_t flash_info[CONFIG_SYS_MAX_FLASH_BANKS]; /* info for FLASH chips */
/*-----------------------------------------------------------------------
* Functions
*/
static int write_word(flash_info_t * info, ulong dest, ulong data);
+#ifdef CONFIG_SYS_FLASH_2ND_16BIT_DEV
+static int write_word_1(flash_info_t * info, ulong dest, ulong data);
+static int write_word_2(flash_info_t * info, ulong dest, ulong data);
+static int flash_erase_1(flash_info_t * info, int s_first, int s_last);
+static int flash_erase_2(flash_info_t * info, int s_first, int s_last);
+static ulong flash_get_size_1(vu_long * addr, flash_info_t * info);
+static ulong flash_get_size_2(vu_long * addr, flash_info_t * info);
+#endif
void flash_print_info(flash_info_t * info)
{
case FLASH_MAN_SST:
printf("SST ");
break;
+ case FLASH_MAN_MX:
+ printf ("MACRONIX ");
+ break;
default:
printf("Unknown Vendor ");
break;
case FLASH_SST160A:
printf("SST39LF/VF160 (16 Mbit, uniform sector size)\n");
break;
+ case FLASH_STMW320DT:
+ printf ("M29W320DT (32 M, top sector)\n");
+ break;
+ case FLASH_MXLV320T:
+ printf ("MXLV320T (32 Mbit, top sector)\n");
+ break;
default:
printf("Unknown Chip Type\n");
break;
/*
* The following code cannot be run from FLASH!
*/
+#ifdef CONFIG_SYS_FLASH_2ND_16BIT_DEV
+static ulong flash_get_size(vu_long * addr, flash_info_t * info)
+{
+ /* bit 0 used for big flash marking */
+ if ((ulong)addr & 0x1) {
+ return flash_get_size_2((vu_long *)((ulong)addr & 0xfffffffe), info);
+ } else {
+ return flash_get_size_1(addr, info);
+ }
+}
+
+static ulong flash_get_size_1(vu_long * addr, flash_info_t * info)
+#else
static ulong flash_get_size(vu_long * addr, flash_info_t * info)
+#endif
{
short i;
- CFG_FLASH_WORD_SIZE value;
+ CONFIG_SYS_FLASH_WORD_SIZE value;
ulong base = (ulong) addr;
- volatile CFG_FLASH_WORD_SIZE *addr2 = (CFG_FLASH_WORD_SIZE *) addr;
+ volatile CONFIG_SYS_FLASH_WORD_SIZE *addr2 = (CONFIG_SYS_FLASH_WORD_SIZE *) addr;
DEBUGF("FLASH ADDR: %08x\n", (unsigned)addr);
/* Write auto select command: read Manufacturer ID */
- addr2[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE) 0x00AA00AA;
- addr2[CFG_FLASH_ADDR1] = (CFG_FLASH_WORD_SIZE) 0x00550055;
- addr2[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE) 0x00900090;
+ addr2[CONFIG_SYS_FLASH_ADDR0] = (CONFIG_SYS_FLASH_WORD_SIZE) 0x00AA00AA;
+ addr2[CONFIG_SYS_FLASH_ADDR1] = (CONFIG_SYS_FLASH_WORD_SIZE) 0x00550055;
+ addr2[CONFIG_SYS_FLASH_ADDR0] = (CONFIG_SYS_FLASH_WORD_SIZE) 0x00900090;
udelay(1000);
value = addr2[0];
DEBUGF("FLASH MANUFACT: %x\n", value);
switch (value) {
- case (CFG_FLASH_WORD_SIZE) AMD_MANUFACT:
+ case (CONFIG_SYS_FLASH_WORD_SIZE) AMD_MANUFACT:
info->flash_id = FLASH_MAN_AMD;
break;
- case (CFG_FLASH_WORD_SIZE) FUJ_MANUFACT:
+ case (CONFIG_SYS_FLASH_WORD_SIZE) FUJ_MANUFACT:
info->flash_id = FLASH_MAN_FUJ;
break;
- case (CFG_FLASH_WORD_SIZE) SST_MANUFACT:
+ case (CONFIG_SYS_FLASH_WORD_SIZE) SST_MANUFACT:
info->flash_id = FLASH_MAN_SST;
break;
- case (CFG_FLASH_WORD_SIZE) STM_MANUFACT:
+ case (CONFIG_SYS_FLASH_WORD_SIZE) STM_MANUFACT:
info->flash_id = FLASH_MAN_STM;
break;
default:
return (0); /* no or unknown flash */
}
- value = addr2[1]; /* device ID */
-
+ value = addr2[1]; /* device ID */
DEBUGF("\nFLASH DEVICEID: %x\n", value);
switch (value) {
- case (CFG_FLASH_WORD_SIZE) AMD_ID_LV040B:
+ case (CONFIG_SYS_FLASH_WORD_SIZE) AMD_ID_LV040B:
info->flash_id += FLASH_AM040;
info->sector_count = 8;
- info->size = 0x0080000; /* => 512 ko */
+ info->size = 0x0080000; /* => 512 KiB */
break;
- case (CFG_FLASH_WORD_SIZE) AMD_ID_F040B:
+ case (CONFIG_SYS_FLASH_WORD_SIZE) AMD_ID_F040B:
info->flash_id += FLASH_AM040;
info->sector_count = 8;
- info->size = 0x0080000; /* => 512 ko */
+ info->size = 0x0080000; /* => 512 KiB */
break;
- case (CFG_FLASH_WORD_SIZE) STM_ID_M29W040B:
+ case (CONFIG_SYS_FLASH_WORD_SIZE) STM_ID_M29W040B:
info->flash_id += FLASH_AM040;
info->sector_count = 8;
- info->size = 0x0080000; /* => 512 ko */
+ info->size = 0x0080000; /* => 512 KiB */
break;
- case (CFG_FLASH_WORD_SIZE) AMD_ID_F016D:
+ case (CONFIG_SYS_FLASH_WORD_SIZE) AMD_ID_F016D:
info->flash_id += FLASH_AMD016;
info->sector_count = 32;
- info->size = 0x00200000;
- break; /* => 2 MB */
+ info->size = 0x00200000; /* => 2 MiB */
+ break;
- case (CFG_FLASH_WORD_SIZE) AMD_ID_LV033C:
+ case (CONFIG_SYS_FLASH_WORD_SIZE) AMD_ID_LV033C:
info->flash_id += FLASH_AMDLV033C;
info->sector_count = 64;
- info->size = 0x00400000;
- break; /* => 4 MB */
+ info->size = 0x00400000; /* => 4 MiB */
+ break;
- case (CFG_FLASH_WORD_SIZE) AMD_ID_LV400T:
+ case (CONFIG_SYS_FLASH_WORD_SIZE) AMD_ID_LV400T:
info->flash_id += FLASH_AM400T;
info->sector_count = 11;
- info->size = 0x00080000;
- break; /* => 0.5 MB */
+ info->size = 0x00080000; /* => 512 KiB */
+ break;
- case (CFG_FLASH_WORD_SIZE) AMD_ID_LV400B:
+ case (CONFIG_SYS_FLASH_WORD_SIZE) AMD_ID_LV400B:
info->flash_id += FLASH_AM400B;
info->sector_count = 11;
- info->size = 0x00080000;
- break; /* => 0.5 MB */
+ info->size = 0x00080000; /* => 512 KiB */
+ break;
- case (CFG_FLASH_WORD_SIZE) AMD_ID_LV800T:
+ case (CONFIG_SYS_FLASH_WORD_SIZE) AMD_ID_LV800T:
info->flash_id += FLASH_AM800T;
info->sector_count = 19;
- info->size = 0x00100000;
- break; /* => 1 MB */
+ info->size = 0x00100000; /* => 1 MiB */
+ break;
- case (CFG_FLASH_WORD_SIZE) AMD_ID_LV800B:
+ case (CONFIG_SYS_FLASH_WORD_SIZE) AMD_ID_LV800B:
info->flash_id += FLASH_AM800B;
info->sector_count = 19;
- info->size = 0x00100000;
- break; /* => 1 MB */
+ info->size = 0x00100000; /* => 1 MiB */
+ break;
- case (CFG_FLASH_WORD_SIZE) AMD_ID_LV160T:
+ case (CONFIG_SYS_FLASH_WORD_SIZE) AMD_ID_LV160T:
info->flash_id += FLASH_AM160T;
info->sector_count = 35;
- info->size = 0x00200000;
- break; /* => 2 MB */
+ info->size = 0x00200000; /* => 2 MiB */
+ break;
- case (CFG_FLASH_WORD_SIZE) AMD_ID_LV160B:
+ case (CONFIG_SYS_FLASH_WORD_SIZE) AMD_ID_LV160B:
info->flash_id += FLASH_AM160B;
info->sector_count = 35;
- info->size = 0x00200000;
- break; /* => 2 MB */
+ info->size = 0x00200000; /* => 2 MiB */
+ break;
default:
info->flash_id = FLASH_UNKNOWN;
info->start[i] = base + (i * 0x00010000);
} else {
if (info->flash_id & FLASH_BTYPE) {
- /* set sector offsets for bottom boot block type */
+ /* set sector offsets for bottom boot block type */
info->start[0] = base + 0x00000000;
info->start[1] = base + 0x00004000;
info->start[2] = base + 0x00006000;
base + (i * 0x00010000) - 0x00030000;
}
} else {
- /* set sector offsets for top boot block type */
+ /* set sector offsets for top boot block type */
i = info->sector_count - 1;
info->start[i--] = base + info->size - 0x00004000;
info->start[i--] = base + info->size - 0x00006000;
for (i = 0; i < info->sector_count; i++) {
/* read sector protection at sector address, (A7 .. A0) = 0x02 */
/* D0 = 1 if protected */
- addr2 = (volatile CFG_FLASH_WORD_SIZE *)(info->start[i]);
+ addr2 = (volatile CONFIG_SYS_FLASH_WORD_SIZE *)(info->start[i]);
/* For AMD29033C flash we need to resend the command of *
* reading flash protection for upper 8 Mb of flash */
if (i == 32) {
- addr2[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE) 0xAAAAAAAA;
- addr2[CFG_FLASH_ADDR1] = (CFG_FLASH_WORD_SIZE) 0x55555555;
- addr2[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE) 0x90909090;
+ addr2[CONFIG_SYS_FLASH_ADDR0] = (CONFIG_SYS_FLASH_WORD_SIZE) 0xAAAAAAAA;
+ addr2[CONFIG_SYS_FLASH_ADDR1] = (CONFIG_SYS_FLASH_WORD_SIZE) 0x55555555;
+ addr2[CONFIG_SYS_FLASH_ADDR0] = (CONFIG_SYS_FLASH_WORD_SIZE) 0x90909090;
}
if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_SST)
}
/* issue bank reset to return to read mode */
- addr2[0] = (CFG_FLASH_WORD_SIZE) 0x00F000F0;
+ addr2[0] = (CONFIG_SYS_FLASH_WORD_SIZE) 0x00F000F0;
return (info->size);
}
-int wait_for_DQ7(flash_info_t * info, int sect)
+static int wait_for_DQ7_1(flash_info_t * info, int sect)
{
ulong start, now, last;
- volatile CFG_FLASH_WORD_SIZE *addr =
- (CFG_FLASH_WORD_SIZE *) (info->start[sect]);
+ volatile CONFIG_SYS_FLASH_WORD_SIZE *addr =
+ (CONFIG_SYS_FLASH_WORD_SIZE *) (info->start[sect]);
start = get_timer(0);
last = start;
- while ((addr[0] & (CFG_FLASH_WORD_SIZE) 0x00800080) !=
- (CFG_FLASH_WORD_SIZE) 0x00800080) {
- if ((now = get_timer(start)) > CFG_FLASH_ERASE_TOUT) {
+ while ((addr[0] & (CONFIG_SYS_FLASH_WORD_SIZE) 0x00800080) !=
+ (CONFIG_SYS_FLASH_WORD_SIZE) 0x00800080) {
+ if ((now = get_timer(start)) > CONFIG_SYS_FLASH_ERASE_TOUT) {
printf("Timeout\n");
return -1;
}
return 0;
}
+#ifdef CONFIG_SYS_FLASH_2ND_16BIT_DEV
int flash_erase(flash_info_t * info, int s_first, int s_last)
{
- volatile CFG_FLASH_WORD_SIZE *addr = (CFG_FLASH_WORD_SIZE *) (info->start[0]);
- volatile CFG_FLASH_WORD_SIZE *addr2;
- int flag, prot, sect, l_sect;
+ if (((info->flash_id & FLASH_TYPEMASK) == FLASH_AM320B) ||
+ ((info->flash_id & FLASH_TYPEMASK) == FLASH_AM320T) ||
+ ((info->flash_id & FLASH_TYPEMASK) == FLASH_MXLV320T) ||
+ ((info->flash_id & FLASH_TYPEMASK) == FLASH_STMW320DT)) {
+ return flash_erase_2(info, s_first, s_last);
+ } else {
+ return flash_erase_1(info, s_first, s_last);
+ }
+}
+
+static int flash_erase_1(flash_info_t * info, int s_first, int s_last)
+#else
+int flash_erase(flash_info_t * info, int s_first, int s_last)
+#endif
+{
+ volatile CONFIG_SYS_FLASH_WORD_SIZE *addr = (CONFIG_SYS_FLASH_WORD_SIZE *) (info->start[0]);
+ volatile CONFIG_SYS_FLASH_WORD_SIZE *addr2;
+ int flag, prot, sect;
int i;
if ((s_first < 0) || (s_first > s_last)) {
printf("\n");
}
- l_sect = -1;
-
/* Disable interrupts which might cause a timeout here */
flag = disable_interrupts();
/* Start erase on unprotected sectors */
for (sect = s_first; sect <= s_last; sect++) {
if (info->protect[sect] == 0) { /* not protected */
- addr2 = (CFG_FLASH_WORD_SIZE *) (info->start[sect]);
+ addr2 = (CONFIG_SYS_FLASH_WORD_SIZE *) (info->start[sect]);
if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_SST) {
- addr[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE) 0x00AA00AA;
- addr[CFG_FLASH_ADDR1] = (CFG_FLASH_WORD_SIZE) 0x00550055;
- addr[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE) 0x00800080;
- addr[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE) 0x00AA00AA;
- addr[CFG_FLASH_ADDR1] = (CFG_FLASH_WORD_SIZE) 0x00550055;
- addr2[0] = (CFG_FLASH_WORD_SIZE) 0x00500050; /* block erase */
+ addr[CONFIG_SYS_FLASH_ADDR0] = (CONFIG_SYS_FLASH_WORD_SIZE) 0x00AA00AA;
+ addr[CONFIG_SYS_FLASH_ADDR1] = (CONFIG_SYS_FLASH_WORD_SIZE) 0x00550055;
+ addr[CONFIG_SYS_FLASH_ADDR0] = (CONFIG_SYS_FLASH_WORD_SIZE) 0x00800080;
+ addr[CONFIG_SYS_FLASH_ADDR0] = (CONFIG_SYS_FLASH_WORD_SIZE) 0x00AA00AA;
+ addr[CONFIG_SYS_FLASH_ADDR1] = (CONFIG_SYS_FLASH_WORD_SIZE) 0x00550055;
+ addr2[0] = (CONFIG_SYS_FLASH_WORD_SIZE) 0x00500050; /* block erase */
for (i = 0; i < 50; i++)
udelay(1000); /* wait 1 ms */
} else {
- addr[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE) 0x00AA00AA;
- addr[CFG_FLASH_ADDR1] = (CFG_FLASH_WORD_SIZE) 0x00550055;
- addr[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE) 0x00800080;
- addr[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE) 0x00AA00AA;
- addr[CFG_FLASH_ADDR1] = (CFG_FLASH_WORD_SIZE) 0x00550055;
- addr2[0] = (CFG_FLASH_WORD_SIZE) 0x00300030; /* sector erase */
+ addr[CONFIG_SYS_FLASH_ADDR0] = (CONFIG_SYS_FLASH_WORD_SIZE) 0x00AA00AA;
+ addr[CONFIG_SYS_FLASH_ADDR1] = (CONFIG_SYS_FLASH_WORD_SIZE) 0x00550055;
+ addr[CONFIG_SYS_FLASH_ADDR0] = (CONFIG_SYS_FLASH_WORD_SIZE) 0x00800080;
+ addr[CONFIG_SYS_FLASH_ADDR0] = (CONFIG_SYS_FLASH_WORD_SIZE) 0x00AA00AA;
+ addr[CONFIG_SYS_FLASH_ADDR1] = (CONFIG_SYS_FLASH_WORD_SIZE) 0x00550055;
+ addr2[0] = (CONFIG_SYS_FLASH_WORD_SIZE) 0x00300030; /* sector erase */
}
- l_sect = sect;
/*
* Wait for each sector to complete, it's more
* reliable. According to AMD Spec, you must
* timeout. This has been seen to fail, especially
* if printf()s are included (for debug)!!
*/
- wait_for_DQ7(info, sect);
+ wait_for_DQ7_1(info, sect);
}
}
udelay(1000);
/* reset to read mode */
- addr = (CFG_FLASH_WORD_SIZE *) info->start[0];
- addr[0] = (CFG_FLASH_WORD_SIZE) 0x00F000F0; /* reset bank */
+ addr = (CONFIG_SYS_FLASH_WORD_SIZE *) info->start[0];
+ addr[0] = (CONFIG_SYS_FLASH_WORD_SIZE) 0x00F000F0; /* reset bank */
printf(" done\n");
return 0;
}
/*-----------------------------------------------------------------------
- * Write a word to Flash, returns:
+ * Copy memory to flash, returns:
* 0 - OK
* 1 - write timeout
* 2 - Flash not erased
*/
+#ifdef CONFIG_SYS_FLASH_2ND_16BIT_DEV
+static int write_word(flash_info_t * info, ulong dest, ulong data)
+{
+ if (((info->flash_id & FLASH_TYPEMASK) == FLASH_AM320B) ||
+ ((info->flash_id & FLASH_TYPEMASK) == FLASH_AM320T) ||
+ ((info->flash_id & FLASH_TYPEMASK) == FLASH_MXLV320T) ||
+ ((info->flash_id & FLASH_TYPEMASK) == FLASH_STMW320DT)) {
+ return write_word_2(info, dest, data);
+ } else {
+ return write_word_1(info, dest, data);
+ }
+}
+
+static int write_word_1(flash_info_t * info, ulong dest, ulong data)
+#else
static int write_word(flash_info_t * info, ulong dest, ulong data)
+#endif
+{
+ volatile CONFIG_SYS_FLASH_WORD_SIZE *addr2 = (CONFIG_SYS_FLASH_WORD_SIZE *) (info->start[0]);
+ volatile CONFIG_SYS_FLASH_WORD_SIZE *dest2 = (CONFIG_SYS_FLASH_WORD_SIZE *) dest;
+ volatile CONFIG_SYS_FLASH_WORD_SIZE *data2 = (CONFIG_SYS_FLASH_WORD_SIZE *) & data;
+ ulong start;
+ int i;
+
+ /* Check if Flash is (sufficiently) erased */
+ if ((*((vu_long *)dest) & data) != data) {
+ return (2);
+ }
+
+ for (i = 0; i < 4 / sizeof(CONFIG_SYS_FLASH_WORD_SIZE); i++) {
+ int flag;
+
+ /* Disable interrupts which might cause a timeout here */
+ flag = disable_interrupts();
+
+ addr2[CONFIG_SYS_FLASH_ADDR0] = (CONFIG_SYS_FLASH_WORD_SIZE) 0x00AA00AA;
+ addr2[CONFIG_SYS_FLASH_ADDR1] = (CONFIG_SYS_FLASH_WORD_SIZE) 0x00550055;
+ addr2[CONFIG_SYS_FLASH_ADDR0] = (CONFIG_SYS_FLASH_WORD_SIZE) 0x00A000A0;
+
+ dest2[i] = data2[i];
+
+ /* re-enable interrupts if necessary */
+ if (flag)
+ enable_interrupts();
+
+ /* data polling for D7 */
+ start = get_timer(0);
+ while ((dest2[i] & (CONFIG_SYS_FLASH_WORD_SIZE) 0x00800080) !=
+ (data2[i] & (CONFIG_SYS_FLASH_WORD_SIZE) 0x00800080)) {
+
+ if (get_timer(start) > CONFIG_SYS_FLASH_WRITE_TOUT) {
+ return (1);
+ }
+ }
+ }
+
+ return (0);
+}
+
+#ifdef CONFIG_SYS_FLASH_2ND_16BIT_DEV
+
+#undef CONFIG_SYS_FLASH_WORD_SIZE
+#define CONFIG_SYS_FLASH_WORD_SIZE unsigned short
+
+/*
+ * The following code cannot be run from FLASH!
+ */
+static ulong flash_get_size_2(vu_long * addr, flash_info_t * info)
+{
+ short i;
+ int n;
+ CONFIG_SYS_FLASH_WORD_SIZE value;
+ ulong base = (ulong) addr;
+ volatile CONFIG_SYS_FLASH_WORD_SIZE *addr2 = (CONFIG_SYS_FLASH_WORD_SIZE *) addr;
+
+ DEBUGF("FLASH ADDR: %08x\n", (unsigned)addr);
+
+ /* Write auto select command: read Manufacturer ID */
+ addr2[CONFIG_SYS_FLASH_ADDR0] = (CONFIG_SYS_FLASH_WORD_SIZE) 0x00AA00AA;
+ addr2[CONFIG_SYS_FLASH_ADDR1] = (CONFIG_SYS_FLASH_WORD_SIZE) 0x00550055;
+ addr2[CONFIG_SYS_FLASH_ADDR0] = (CONFIG_SYS_FLASH_WORD_SIZE) 0x00900090;
+ udelay(1000);
+
+ value = addr2[0];
+ DEBUGF("FLASH MANUFACT: %x\n", value);
+
+ switch (value) {
+ case (CONFIG_SYS_FLASH_WORD_SIZE) AMD_MANUFACT:
+ info->flash_id = FLASH_MAN_AMD;
+ break;
+ case (CONFIG_SYS_FLASH_WORD_SIZE) FUJ_MANUFACT:
+ info->flash_id = FLASH_MAN_FUJ;
+ break;
+ case (CONFIG_SYS_FLASH_WORD_SIZE) SST_MANUFACT:
+ info->flash_id = FLASH_MAN_SST;
+ break;
+ case (CONFIG_SYS_FLASH_WORD_SIZE) STM_MANUFACT:
+ info->flash_id = FLASH_MAN_STM;
+ break;
+ case (CONFIG_SYS_FLASH_WORD_SIZE) MX_MANUFACT:
+ info->flash_id = FLASH_MAN_MX;
+ break;
+ default:
+ info->flash_id = FLASH_UNKNOWN;
+ info->sector_count = 0;
+ info->size = 0;
+ return (0); /* no or unknown flash */
+ }
+
+ value = addr2[1]; /* device ID */
+
+ DEBUGF("\nFLASH DEVICEID: %x\n", value);
+
+ switch (value) {
+
+ case (CONFIG_SYS_FLASH_WORD_SIZE)AMD_ID_LV320T:
+ info->flash_id += FLASH_AM320T;
+ info->sector_count = 71;
+ info->size = 0x00400000; break; /* => 4 MiB */
+
+ case (CONFIG_SYS_FLASH_WORD_SIZE)AMD_ID_LV320B:
+ info->flash_id += FLASH_AM320B;
+ info->sector_count = 71;
+ info->size = 0x00400000; break; /* => 4 MiB */
+
+ case (CONFIG_SYS_FLASH_WORD_SIZE)STM_ID_29W320DT:
+ info->flash_id += FLASH_STMW320DT;
+ info->sector_count = 67;
+ info->size = 0x00400000; break; /* => 4 MiB */
+
+ case (CONFIG_SYS_FLASH_WORD_SIZE)MX_ID_LV320T:
+ info->flash_id += FLASH_MXLV320T;
+ info->sector_count = 71;
+ info->size = 0x00400000;
+ break; /* => 4 MB */
+
+ default:
+ info->flash_id = FLASH_UNKNOWN;
+ return (0); /* => no or unknown flash */
+ }
+
+ /* set up sector start address table */
+ if (((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_SST) ||
+ ((info->flash_id & FLASH_TYPEMASK) == FLASH_AM040) ||
+ ((info->flash_id & FLASH_TYPEMASK) == FLASH_AMD016)) {
+ for (i = 0; i < info->sector_count; i++)
+ info->start[i] = base + (i * 0x00010000);
+ } else if ((info->flash_id & FLASH_TYPEMASK) == FLASH_STMW320DT) {
+ /* set sector offsets for top boot block type */
+ base += info->size;
+ i = info->sector_count;
+ /* 1 x 16k boot sector */
+ base -= 16 << 10;
+ --i;
+ info->start[i] = base;
+ /* 2 x 8k boot sectors */
+ for (n=0; n<2; ++n) {
+ base -= 8 << 10;
+ --i;
+ info->start[i] = base;
+ }
+ /* 1 x 32k boot sector */
+ base -= 32 << 10;
+ --i;
+ info->start[i] = base;
+
+ while (i > 0) { /* 64k regular sectors */
+ base -= 64 << 10;
+ --i;
+ info->start[i] = base;
+ }
+ } else if ((info->flash_id & FLASH_TYPEMASK) == FLASH_MXLV320T) {
+ i = info->sector_count - 1;
+ info->start[i--] = base + info->size - 0x00002000;
+ info->start[i--] = base + info->size - 0x00004000;
+ info->start[i--] = base + info->size - 0x00006000;
+ info->start[i--] = base + info->size - 0x00008000;
+ info->start[i--] = base + info->size - 0x0000a000;
+ info->start[i--] = base + info->size - 0x0000c000;
+ info->start[i--] = base + info->size - 0x0000e000;
+ info->start[i--] = base + info->size - 0x00010000;
+
+ for (; i >= 0; i--)
+ info->start[i] = base + i * 0x00010000;
+ } else {
+ if (info->flash_id & FLASH_BTYPE) {
+ /* set sector offsets for bottom boot block type */
+ info->start[0] = base + 0x00000000;
+ info->start[1] = base + 0x00002000;
+ info->start[2] = base + 0x00004000;
+ info->start[3] = base + 0x00006000;
+ info->start[4] = base + 0x00008000;
+ info->start[5] = base + 0x0000a000;
+ info->start[6] = base + 0x0000c000;
+ info->start[7] = base + 0x0000e000;
+ for (i = 8; i < info->sector_count; i++) {
+ info->start[i] =
+ base + ((i-7) * 0x00010000);
+ }
+ } else {
+ /* set sector offsets for top boot block type */
+ i = info->sector_count - 1;
+ info->start[i--] = base + info->size - 0x00002000;
+ info->start[i--] = base + info->size - 0x00004000;
+ info->start[i--] = base + info->size - 0x00006000;
+ info->start[i--] = base + info->size - 0x00008000;
+ info->start[i--] = base + info->size - 0x0000a000;
+ info->start[i--] = base + info->size - 0x0000c000;
+ info->start[i--] = base + info->size - 0x0000e000;
+ for (; i >= 0; i--) {
+ info->start[i] = base + i * 0x00010000;
+ }
+ }
+ }
+
+ /* check for protected sectors */
+ for (i = 0; i < info->sector_count; i++) {
+ /* read sector protection at sector address, (A7 .. A0) = 0x02 */
+ /* D0 = 1 if protected */
+ addr2 = (volatile CONFIG_SYS_FLASH_WORD_SIZE *)(info->start[i]);
+
+ /* For AMD29033C flash we need to resend the command of *
+ * reading flash protection for upper 8 Mb of flash */
+ if (i == 32) {
+ addr2[CONFIG_SYS_FLASH_ADDR0] = (CONFIG_SYS_FLASH_WORD_SIZE) 0xAAAAAAAA;
+ addr2[CONFIG_SYS_FLASH_ADDR1] = (CONFIG_SYS_FLASH_WORD_SIZE) 0x55555555;
+ addr2[CONFIG_SYS_FLASH_ADDR0] = (CONFIG_SYS_FLASH_WORD_SIZE) 0x90909090;
+ }
+
+ if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_SST)
+ info->protect[i] = 0;
+ else
+ info->protect[i] = addr2[2] & 1;
+ }
+
+ /* issue bank reset to return to read mode */
+ addr2[0] = (CONFIG_SYS_FLASH_WORD_SIZE) 0x00F000F0;
+
+ return (info->size);
+}
+
+static int wait_for_DQ7_2(flash_info_t * info, int sect)
+{
+ ulong start, now, last;
+ volatile CONFIG_SYS_FLASH_WORD_SIZE *addr =
+ (CONFIG_SYS_FLASH_WORD_SIZE *) (info->start[sect]);
+
+ start = get_timer(0);
+ last = start;
+ while ((addr[0] & (CONFIG_SYS_FLASH_WORD_SIZE) 0x00800080) !=
+ (CONFIG_SYS_FLASH_WORD_SIZE) 0x00800080) {
+ if ((now = get_timer(start)) > CONFIG_SYS_FLASH_ERASE_TOUT) {
+ printf("Timeout\n");
+ return -1;
+ }
+ /* show that we're waiting */
+ if ((now - last) > 1000) { /* every second */
+ putc('.');
+ last = now;
+ }
+ }
+ return 0;
+}
+
+static int flash_erase_2(flash_info_t * info, int s_first, int s_last)
+{
+ volatile CONFIG_SYS_FLASH_WORD_SIZE *addr = (CONFIG_SYS_FLASH_WORD_SIZE *) (info->start[0]);
+ volatile CONFIG_SYS_FLASH_WORD_SIZE *addr2;
+ int flag, prot, sect;
+ int i;
+
+ 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;
+ }
+
+ if (info->flash_id == FLASH_UNKNOWN) {
+ printf("Can't erase unknown flash type - aborted\n");
+ return 1;
+ }
+
+ prot = 0;
+ for (sect = s_first; sect <= s_last; ++sect) {
+ if (info->protect[sect]) {
+ prot++;
+ }
+ }
+
+ if (prot) {
+ printf("- Warning: %d protected sectors will not be erased!\n",
+ prot);
+ } else {
+ printf("\n");
+ }
+
+ /* Disable interrupts which might cause a timeout here */
+ flag = disable_interrupts();
+
+ /* Start erase on unprotected sectors */
+ for (sect = s_first; sect <= s_last; sect++) {
+ if (info->protect[sect] == 0) { /* not protected */
+ addr2 = (CONFIG_SYS_FLASH_WORD_SIZE *) (info->start[sect]);
+
+ if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_SST) {
+ addr[CONFIG_SYS_FLASH_ADDR0] = (CONFIG_SYS_FLASH_WORD_SIZE) 0x00AA00AA;
+ addr[CONFIG_SYS_FLASH_ADDR1] = (CONFIG_SYS_FLASH_WORD_SIZE) 0x00550055;
+ addr[CONFIG_SYS_FLASH_ADDR0] = (CONFIG_SYS_FLASH_WORD_SIZE) 0x00800080;
+ addr[CONFIG_SYS_FLASH_ADDR0] = (CONFIG_SYS_FLASH_WORD_SIZE) 0x00AA00AA;
+ addr[CONFIG_SYS_FLASH_ADDR1] = (CONFIG_SYS_FLASH_WORD_SIZE) 0x00550055;
+ addr2[0] = (CONFIG_SYS_FLASH_WORD_SIZE) 0x00500050; /* block erase */
+ for (i = 0; i < 50; i++)
+ udelay(1000); /* wait 1 ms */
+ } else {
+ addr[CONFIG_SYS_FLASH_ADDR0] = (CONFIG_SYS_FLASH_WORD_SIZE) 0x00AA00AA;
+ addr[CONFIG_SYS_FLASH_ADDR1] = (CONFIG_SYS_FLASH_WORD_SIZE) 0x00550055;
+ addr[CONFIG_SYS_FLASH_ADDR0] = (CONFIG_SYS_FLASH_WORD_SIZE) 0x00800080;
+ addr[CONFIG_SYS_FLASH_ADDR0] = (CONFIG_SYS_FLASH_WORD_SIZE) 0x00AA00AA;
+ addr[CONFIG_SYS_FLASH_ADDR1] = (CONFIG_SYS_FLASH_WORD_SIZE) 0x00550055;
+ addr2[0] = (CONFIG_SYS_FLASH_WORD_SIZE) 0x00300030; /* sector erase */
+ }
+ /*
+ * Wait for each sector to complete, it's more
+ * reliable. According to AMD Spec, you must
+ * issue all erase commands within a specified
+ * timeout. This has been seen to fail, especially
+ * if printf()s are included (for debug)!!
+ */
+ wait_for_DQ7_2(info, sect);
+ }
+ }
+
+ /* re-enable interrupts if necessary */
+ if (flag)
+ enable_interrupts();
+
+ /* wait at least 80us - let's wait 1 ms */
+ udelay(1000);
+
+ /* reset to read mode */
+ addr = (CONFIG_SYS_FLASH_WORD_SIZE *) info->start[0];
+ addr[0] = (CONFIG_SYS_FLASH_WORD_SIZE) 0x00F000F0; /* reset bank */
+
+ printf(" done\n");
+ return 0;
+}
+
+static int write_word_2(flash_info_t * info, ulong dest, ulong data)
{
- volatile CFG_FLASH_WORD_SIZE *addr2 = (CFG_FLASH_WORD_SIZE *) (info->start[0]);
- volatile CFG_FLASH_WORD_SIZE *dest2 = (CFG_FLASH_WORD_SIZE *) dest;
- volatile CFG_FLASH_WORD_SIZE *data2 = (CFG_FLASH_WORD_SIZE *) & data;
+ ulong *data_ptr = &data;
+ volatile CONFIG_SYS_FLASH_WORD_SIZE *addr2 = (CONFIG_SYS_FLASH_WORD_SIZE *)(info->start[0]);
+ volatile CONFIG_SYS_FLASH_WORD_SIZE *dest2 = (CONFIG_SYS_FLASH_WORD_SIZE *)dest;
+ volatile CONFIG_SYS_FLASH_WORD_SIZE *data2 = (CONFIG_SYS_FLASH_WORD_SIZE *)data_ptr;
ulong start;
int i;
return (2);
}
- for (i = 0; i < 4 / sizeof(CFG_FLASH_WORD_SIZE); i++) {
+ for (i = 0; i < 4 / sizeof(CONFIG_SYS_FLASH_WORD_SIZE); i++) {
int flag;
/* Disable interrupts which might cause a timeout here */
flag = disable_interrupts();
- addr2[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE) 0x00AA00AA;
- addr2[CFG_FLASH_ADDR1] = (CFG_FLASH_WORD_SIZE) 0x00550055;
- addr2[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE) 0x00A000A0;
+ addr2[CONFIG_SYS_FLASH_ADDR0] = (CONFIG_SYS_FLASH_WORD_SIZE) 0x00AA00AA;
+ addr2[CONFIG_SYS_FLASH_ADDR1] = (CONFIG_SYS_FLASH_WORD_SIZE) 0x00550055;
+ addr2[CONFIG_SYS_FLASH_ADDR0] = (CONFIG_SYS_FLASH_WORD_SIZE) 0x00A000A0;
dest2[i] = data2[i];
/* data polling for D7 */
start = get_timer(0);
- while ((dest2[i] & (CFG_FLASH_WORD_SIZE) 0x00800080) !=
- (data2[i] & (CFG_FLASH_WORD_SIZE) 0x00800080)) {
+ while ((dest2[i] & (CONFIG_SYS_FLASH_WORD_SIZE) 0x00800080) !=
+ (data2[i] & (CONFIG_SYS_FLASH_WORD_SIZE) 0x00800080)) {
- if (get_timer(start) > CFG_FLASH_WRITE_TOUT) {
+ if (get_timer(start) > CONFIG_SYS_FLASH_WRITE_TOUT) {
return (1);
}
}
return (0);
}
+#endif /* CONFIG_SYS_FLASH_2ND_16BIT_DEV */
projects / oweals / u-boot.git / blobdiff