* (C) Copyright 2003
* Reinhard Meyer, EMK Elektronik GmbH, r.meyer@emk-elektronik.de
*
- * 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>
-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 */
-typedef unsigned char FLASH_PORT_WIDTH;
-typedef volatile unsigned char FLASH_PORT_WIDTHV;
-#define FLASH_ID_MASK 0xFF
+#if defined (CONFIG_TOP860)
+ typedef unsigned short FLASH_PORT_WIDTH;
+ typedef volatile unsigned short FLASH_PORT_WIDTHV;
+ #define FLASH_ID_MASK 0xFF
-#define FPW FLASH_PORT_WIDTH
-#define FPWV FLASH_PORT_WIDTHV
+ #define FPW FLASH_PORT_WIDTH
+ #define FPWV FLASH_PORT_WIDTHV
+
+ #define FLASH_CYCLE1 0x0555
+ #define FLASH_CYCLE2 0x02aa
+ #define FLASH_ID1 0
+ #define FLASH_ID2 1
+ #define FLASH_ID3 0x0e
+ #define FLASH_ID4 0x0F
+#endif
+
+#if defined (CONFIG_TOP5200) && !defined (CONFIG_LITE5200)
+ typedef unsigned char FLASH_PORT_WIDTH;
+ typedef volatile unsigned char FLASH_PORT_WIDTHV;
+ #define FLASH_ID_MASK 0xFF
+
+ #define FPW FLASH_PORT_WIDTH
+ #define FPWV FLASH_PORT_WIDTHV
+
+ #define FLASH_CYCLE1 0x0aaa
+ #define FLASH_CYCLE2 0x0555
+ #define FLASH_ID1 0
+ #define FLASH_ID2 2
+ #define FLASH_ID3 0x1c
+ #define FLASH_ID4 0x1E
+#endif
-#define FLASH_CYCLE1 0x0aaa
-#define FLASH_CYCLE2 0x0555
+#if defined (CONFIG_TOP5200) && defined (CONFIG_LITE5200)
+ typedef unsigned char FLASH_PORT_WIDTH;
+ typedef volatile unsigned char FLASH_PORT_WIDTHV;
+ #define FLASH_ID_MASK 0xFF
+
+ #define FPW FLASH_PORT_WIDTH
+ #define FPWV FLASH_PORT_WIDTHV
+
+ #define FLASH_CYCLE1 0x0555
+ #define FLASH_CYCLE2 0x02aa
+ #define FLASH_ID1 0
+ #define FLASH_ID2 1
+ #define FLASH_ID3 0x0E
+ #define FLASH_ID4 0x0F
+#endif
/*-----------------------------------------------------------------------
* Functions
static ulong flash_get_size(FPWV *addr, flash_info_t *info);
static void flash_reset(flash_info_t *info);
static int write_word_amd(flash_info_t *info, FPWV *dest, FPW data);
-static flash_info_t *flash_get_info(ulong base);
+flash_info_t *flash_get_info(ulong base);
/*-----------------------------------------------------------------------
* flash_init()
int i = 0;
extern void flash_preinit(void);
extern void flash_afterinit(uint, ulong, ulong);
- ulong flashbase = CFG_FLASH_BASE;
+ ulong flashbase = CONFIG_SYS_FLASH_BASE;
flash_preinit();
flash_get_size((FPW *)flashbase, &flash_info[i]);
size += flash_info[i].size;
-#if CFG_MONITOR_BASE >= CFG_FLASH_BASE
+#if CONFIG_SYS_MONITOR_BASE >= CONFIG_SYS_FLASH_BASE
/* monitor protection ON by default */
flash_protect(FLAG_PROTECT_SET,
- CFG_MONITOR_BASE,
- CFG_MONITOR_BASE+monitor_flash_len-1,
- flash_get_info(CFG_MONITOR_BASE));
+ CONFIG_SYS_MONITOR_BASE,
+ CONFIG_SYS_MONITOR_BASE+monitor_flash_len-1,
+ flash_get_info(CONFIG_SYS_MONITOR_BASE));
#endif
-#ifdef CFG_ENV_IS_IN_FLASH
+#ifdef CONFIG_ENV_IS_IN_FLASH
/* ENV protection ON by default */
flash_protect(FLAG_PROTECT_SET,
- CFG_ENV_ADDR,
- CFG_ENV_ADDR+CFG_ENV_SIZE-1,
- flash_get_info(CFG_ENV_ADDR));
+ CONFIG_ENV_ADDR,
+ CONFIG_ENV_ADDR+CONFIG_ENV_SIZE-1,
+ flash_get_info(CONFIG_ENV_ADDR));
#endif
/*-----------------------------------------------------------------------
*/
-static flash_info_t *flash_get_info(ulong base)
+flash_info_t *flash_get_info(ulong base)
{
int i;
flash_info_t * info;
- for (i = 0; i < CFG_MAX_FLASH_BANKS; i ++) {
+ for (i = 0; i < CONFIG_SYS_MAX_FLASH_BANKS; i ++) {
info = & flash_info[i];
if (info->size &&
info->start[0] <= base && base <= info->start[0] + info->size - 1)
break;
}
- return i == CFG_MAX_FLASH_BANKS ? 0 : info;
+ return i == CONFIG_SYS_MAX_FLASH_BANKS ? 0 : info;
}
/*-----------------------------------------------------------------------
int i;
uchar *boottype;
uchar *bootletter;
- uchar *fmt;
+ char *fmt;
uchar botbootletter[] = "B";
uchar topbootletter[] = "T";
uchar botboottype[] = "bottom boot sector";
case FLASH_AM160B:
fmt = "29LV160%s (16 Mbit, %s)\n";
break;
+ case FLASH_AMLV640U:
+ fmt = "29LV640M (64 Mbit)\n";
+ break;
+ case FLASH_AMDLV065D:
+ fmt = "29LV065D (64 Mbit)\n";
+ break;
+ case FLASH_AMLV256U:
+ fmt = "29LV256M (256 Mbit)\n";
+ break;
default:
fmt = "Unknown Chip Type\n";
break;
printf (" Sector Start Addresses:");
for (i=0; i<info->sector_count; ++i) {
+ ulong size;
+ int erased;
+ ulong *flash = (unsigned long *) info->start[i];
+
if ((i % 5) == 0) {
printf ("\n ");
}
- printf (" %08lX%s", info->start[i],
- info->protect[i] ? " (RO)" : " ");
+ /*
+ * Check if whole sector is erased
+ */
+ size =
+ (i != (info->sector_count - 1)) ?
+ (info->start[i + 1] - info->start[i]) >> 2 :
+ (info->start[0] + info->size - info->start[i]) >> 2;
+
+ for (
+ flash = (unsigned long *) info->start[i], erased = 1;
+ (flash != (unsigned long *) info->start[i] + size) && erased;
+ flash++
+ )
+ erased = *flash == ~0x0UL;
+
+ printf (" %08lX %s %s",
+ info->start[i],
+ erased ? "E": " ",
+ info->protect[i] ? "(RO)" : " ");
}
printf ("\n");
ulong flash_get_size (FPWV *addr, flash_info_t *info)
{
int i;
- ulong offset;
/* Write auto select command: read Manufacturer ID */
/* Write auto select command sequence and test FLASH answer */
* This works for any bus width and any FLASH device width.
*/
udelay(100);
- switch (addr[0] & 0xff) {
+ switch (addr[FLASH_ID1] & 0xff) {
case (uchar)AMD_MANUFACT:
info->flash_id = FLASH_MAN_AMD;
#endif
default:
- printf ("unknown vendor=%x ", addr[0] & 0xff);
+ printf ("unknown vendor=%x ", addr[FLASH_ID1] & 0xff);
info->flash_id = FLASH_UNKNOWN;
info->sector_count = 0;
info->size = 0;
}
/* Check 16 bits or 32 bits of ID so work on 32 or 16 bit bus. */
- if (info->flash_id != FLASH_UNKNOWN) switch ((FPW)addr[2]) {
+ if (info->flash_id != FLASH_UNKNOWN) switch ((FPW)addr[FLASH_ID2]) {
case (FPW)AMD_ID_LV160B:
info->flash_id += FLASH_AM160B;
info->sector_count = 35;
info->size = 0x00200000;
-#ifdef CFG_LOWBOOT
- offset = 0;
-#else
- offset = 0x00e00000;
-#endif
- info->start[0] = (ulong)addr + offset;
- info->start[1] = (ulong)addr + offset + 0x4000;
- info->start[2] = (ulong)addr + offset + 0x6000;
- info->start[3] = (ulong)addr + offset + 0x8000;
+ info->start[0] = (ulong)addr;
+ info->start[1] = (ulong)addr + 0x4000;
+ info->start[2] = (ulong)addr + 0x6000;
+ info->start[3] = (ulong)addr + 0x8000;
for (i = 4; i < info->sector_count; i++)
{
- info->start[i] = (ulong)addr + offset + 0x10000 * (i-3);
+ info->start[i] = (ulong)addr + 0x10000 * (i-3);
+ }
+ break;
+
+ case (FPW)AMD_ID_LV065D:
+ info->flash_id += FLASH_AMDLV065D;
+ info->sector_count = 128;
+ info->size = 0x00800000;
+ for (i = 0; i < info->sector_count; i++)
+ {
+ info->start[i] = (ulong)addr + 0x10000 * i;
}
break;
+ case (FPW)AMD_ID_MIRROR:
+ /* MIRROR BIT FLASH, read more ID bytes */
+ if ((FPW)addr[FLASH_ID3] == (FPW)AMD_ID_LV640U_2 &&
+ (FPW)addr[FLASH_ID4] == (FPW)AMD_ID_LV640U_3)
+ {
+ info->flash_id += FLASH_AMLV640U;
+ info->sector_count = 128;
+ info->size = 0x00800000;
+ for (i = 0; i < info->sector_count; i++)
+ {
+ info->start[i] = (ulong)addr + 0x10000 * i;
+ }
+ break;
+ }
+ if ((FPW)addr[FLASH_ID3] == (FPW)AMD_ID_LV256U_2 &&
+ (FPW)addr[FLASH_ID4] == (FPW)AMD_ID_LV256U_3)
+ {
+ /* attention: only the first 16 MB will be used in u-boot */
+ info->flash_id += FLASH_AMLV256U;
+ info->sector_count = 256;
+ info->size = 0x01000000;
+ for (i = 0; i < info->sector_count; i++)
+ {
+ info->start[i] = (ulong)addr + 0x10000 * i;
+ }
+ break;
+ }
+
+ /* fall thru to here ! */
default:
- printf ("unknown AMD device=%x ", (FPW)addr[2]);
+ printf ("unknown AMD device=%x %x %x",
+ (FPW)addr[FLASH_ID2],
+ (FPW)addr[FLASH_ID3],
+ (FPW)addr[FLASH_ID4]);
info->flash_id = FLASH_UNKNOWN;
info->sector_count = 0;
- info->size = 0;
- return (0); /* => no or unknown flash */
+ info->size = 0x800000;
+ break;
}
/* Put FLASH back in read mode */
switch (info->flash_id & FLASH_TYPEMASK) {
case FLASH_AM160B:
+ case FLASH_AMLV640U:
break;
case FLASH_UNKNOWN:
default:
udelay (1000);
while ((*addr & (FPW)0x00800080) != (FPW)0x00800080) {
- if ((now = get_timer(start)) > CFG_FLASH_ERASE_TOUT) {
+ if ((now = get_timer(start)) > CONFIG_SYS_FLASH_ERASE_TOUT) {
printf ("Timeout\n");
if (intel) {
}
/* show that we're waiting */
- if ((get_timer(last)) > CFG_HZ) {/* every second */
+ if ((get_timer(last)) > CONFIG_SYS_HZ) {/* every second */
putc ('.');
last = get_timer(0);
}
}
/* show that we're waiting */
- if ((get_timer(last)) > CFG_HZ) { /* every second */
+ if ((get_timer(last)) > CONFIG_SYS_HZ) { /* every second */
putc ('.');
last = get_timer(0);
}
/* data polling for D7 */
while (res == 0 && (*dest & (FPW)0x00800080) != (data & (FPW)0x00800080)) {
- if (get_timer(start) > CFG_FLASH_WRITE_TOUT) {
+ if (get_timer(start) > CONFIG_SYS_FLASH_WRITE_TOUT) {
*dest = (FPW)0x00F000F0; /* reset bank */
res = 1;
}
projects / karo-tx-uboot.git / blobdiff