Merge branch 'master' of git://git.denx.de/u-boot-blackfin
diff --git a/common/cmd_nand.c b/common/cmd_nand.c
index ea80555..84b6272 100644
--- a/common/cmd_nand.c
+++ b/common/cmd_nand.c
@@ -4,6 +4,10 @@
* (c) 1999 Machine Vision Holdings, Inc.
* (c) 1999, 2000 David Woodhouse <dwmw2@infradead.org>
*
+ * Ported 'dynenv' to 'nand env.oob' command
+ * (C) 2010 Nanometrics, Inc.
+ * 'dynenv' -- Dynamic environment offset in NAND OOB
+ * (C) Copyright 2006-2007 OpenMoko, Inc.
* Added 16-bit nand support
* (C) 2004 Texas Instruments
*/
@@ -193,6 +197,90 @@
}
#endif
+#ifdef CONFIG_ENV_OFFSET_OOB
+unsigned long nand_env_oob_offset;
+
+int do_nand_env_oob(cmd_tbl_t *cmdtp, nand_info_t *nand,
+ int argc, char * const argv[])
+{
+ int ret;
+ uint32_t oob_buf[ENV_OFFSET_SIZE/sizeof(uint32_t)];
+
+ char *cmd = argv[1];
+
+ if (!strcmp(cmd, "get")) {
+ ret = get_nand_env_oob(nand, &nand_env_oob_offset);
+ if (ret)
+ return 1;
+
+ printf("0x%08lx\n", nand_env_oob_offset);
+ } else if (!strcmp(cmd, "set")) {
+ ulong addr;
+ size_t dummy_size;
+ struct mtd_oob_ops ops;
+
+ if (argc < 3)
+ goto usage;
+
+ if (arg_off_size(argc - 2, argv + 2, nand, &addr,
+ &dummy_size) < 0) {
+ printf("Offset or partition name expected\n");
+ return 1;
+ }
+
+ if (nand->oobavail < ENV_OFFSET_SIZE) {
+ printf("Insufficient available OOB bytes:\n"
+ "%d OOB bytes available but %d required for "
+ "env.oob support\n",
+ nand->oobavail, ENV_OFFSET_SIZE);
+ return 1;
+ }
+
+ if ((addr & (nand->erasesize - 1)) != 0) {
+ printf("Environment offset must be block-aligned\n");
+ return 1;
+ }
+
+ ops.datbuf = NULL;
+ ops.mode = MTD_OOB_AUTO;
+ ops.ooboffs = 0;
+ ops.ooblen = ENV_OFFSET_SIZE;
+ ops.oobbuf = (void *) oob_buf;
+
+ oob_buf[0] = ENV_OOB_MARKER;
+ oob_buf[1] = addr / nand->erasesize;
+
+ ret = nand->write_oob(nand, ENV_OFFSET_SIZE, &ops);
+ if (ret) {
+ printf("Error writing OOB block 0\n");
+ return ret;
+ }
+
+ ret = get_nand_env_oob(nand, &nand_env_oob_offset);
+ if (ret) {
+ printf("Error reading env offset in OOB\n");
+ return ret;
+ }
+
+ if (addr != nand_env_oob_offset) {
+ printf("Verification of env offset in OOB failed: "
+ "0x%08lx expected but got 0x%08lx\n",
+ addr, nand_env_oob_offset);
+ return 1;
+ }
+ } else {
+ goto usage;
+ }
+
+ return ret;
+
+usage:
+ cmd_usage(cmdtp);
+ return 1;
+}
+
+#endif
+
static void nand_print_info(int idx)
{
nand_info_t *nand = &nand_info[idx];
@@ -272,9 +360,21 @@
strncmp(cmd, "read", 4) != 0 && strncmp(cmd, "write", 5) != 0 &&
strcmp(cmd, "scrub") != 0 && strcmp(cmd, "markbad") != 0 &&
strcmp(cmd, "biterr") != 0 &&
- strcmp(cmd, "lock") != 0 && strcmp(cmd, "unlock") != 0 )
+ strcmp(cmd, "lock") != 0 && strcmp(cmd, "unlock") != 0
+#ifdef CONFIG_ENV_OFFSET_OOB
+ && strcmp(cmd, "env.oob") != 0
+#endif
+ )
goto usage;
+#ifdef CONFIG_ENV_OFFSET_OOB
+ /* this command operates only on the first nand device */
+ if (strcmp(cmd, "env.oob") == 0) {
+ return do_nand_env_oob(cmdtp, &nand_info[0],
+ argc - 1, argv + 1);
+ }
+#endif
+
/* the following commands operate on the current device */
if (nand_curr_device < 0 || nand_curr_device >= CONFIG_SYS_MAX_NAND_DEVICE ||
!nand_info[nand_curr_device].name) {
@@ -502,6 +602,13 @@
" bring nand to lock state or display locked pages\n"
"nand unlock [offset] [size] - unlock section"
#endif
+#ifdef CONFIG_ENV_OFFSET_OOB
+ "\n"
+ "nand env.oob - environment offset in OOB of block 0 of"
+ " first device.\n"
+ "nand env.oob set off|partition - set enviromnent offset\n"
+ "nand env.oob get - get environment offset"
+#endif
);
static int nand_load_image(cmd_tbl_t *cmdtp, nand_info_t *nand,
diff --git a/common/env_nand.c b/common/env_nand.c
index 50bc111..a5e1038 100644
--- a/common/env_nand.c
+++ b/common/env_nand.c
@@ -38,6 +38,7 @@
#include <linux/stddef.h>
#include <malloc.h>
#include <nand.h>
+#include <asm/errno.h>
#if defined(CONFIG_CMD_SAVEENV) && defined(CONFIG_CMD_NAND)
#define CMD_SAVEENV
@@ -284,6 +285,38 @@
return 0;
}
+#ifdef CONFIG_ENV_OFFSET_OOB
+int get_nand_env_oob(nand_info_t *nand, unsigned long *result)
+{
+ struct mtd_oob_ops ops;
+ uint32_t oob_buf[ENV_OFFSET_SIZE/sizeof(uint32_t)];
+ int ret;
+
+ ops.datbuf = NULL;
+ ops.mode = MTD_OOB_AUTO;
+ ops.ooboffs = 0;
+ ops.ooblen = ENV_OFFSET_SIZE;
+ ops.oobbuf = (void *) oob_buf;
+
+ ret = nand->read_oob(nand, ENV_OFFSET_SIZE, &ops);
+ if (ret) {
+ printf("error reading OOB block 0\n");
+ return ret;
+ }
+
+ if (oob_buf[0] == ENV_OOB_MARKER) {
+ *result = oob_buf[1] * nand->erasesize;
+ } else if (oob_buf[0] == ENV_OOB_MARKER_OLD) {
+ *result = oob_buf[1];
+ } else {
+ printf("No dynamic environment marker in OOB block 0\n");
+ return -ENOENT;
+ }
+
+ return 0;
+}
+#endif
+
#ifdef CONFIG_ENV_OFFSET_REDUND
void env_relocate_spec (void)
{
@@ -353,6 +386,17 @@
#if !defined(ENV_IS_EMBEDDED)
int ret;
+#if defined(CONFIG_ENV_OFFSET_OOB)
+ ret = get_nand_env_oob(&nand_info[0], &nand_env_oob_offset);
+ /* If unable to read environment offset from NAND OOB then fall through
+ * to the normal environment reading code below
+ */
+ if (!ret)
+ printf("Found Environment offset in OOB..\n");
+ else
+ return use_default();
+#endif
+
ret = readenv(CONFIG_ENV_OFFSET, (u_char *) env_ptr);
if (ret)
return use_default();
diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c
index 7171bdd..ed1c9c9 100644
--- a/drivers/mtd/nand/nand_base.c
+++ b/drivers/mtd/nand/nand_base.c
@@ -2652,8 +2652,12 @@
}
}
- if (!type)
+ if (!type) {
+ printk(KERN_INFO "%s: unknown NAND device: Manufacturer ID:"
+ " 0x%02x, Chip ID: 0x%02x\n", __func__,
+ *maf_id, dev_id);
return ERR_PTR(-ENODEV);
+ }
if (!mtd->name)
mtd->name = type->name;
diff --git a/drivers/mtd/nand/nand_ids.c b/drivers/mtd/nand/nand_ids.c
index 077c305..25b22ec 100644
--- a/drivers/mtd/nand/nand_ids.c
+++ b/drivers/mtd/nand/nand_ids.c
@@ -83,6 +83,7 @@
/* 1 Gigabit */
{"NAND 128MiB 1,8V 8-bit", 0xA1, 0, 128, 0, LP_OPTIONS},
{"NAND 128MiB 3,3V 8-bit", 0xF1, 0, 128, 0, LP_OPTIONS},
+ {"NAND 128MiB 3,3V 8-bit", 0xD1, 0, 128, 0, LP_OPTIONS},
{"NAND 128MiB 1,8V 16-bit", 0xB1, 0, 128, 0, LP_OPTIONS16},
{"NAND 128MiB 3,3V 16-bit", 0xC1, 0, 128, 0, LP_OPTIONS16},
diff --git a/drivers/mtd/nand/nand_plat.c b/drivers/mtd/nand/nand_plat.c
index b35492b..37a0206 100644
--- a/drivers/mtd/nand/nand_plat.c
+++ b/drivers/mtd/nand/nand_plat.c
@@ -16,6 +16,10 @@
#include <common.h>
#include <asm/io.h>
+#ifdef NAND_PLAT_GPIO_DEV_READY
+# include <asm/gpio.h>
+# define NAND_PLAT_DEV_READY(chip) gpio_get_value(NAND_PLAT_GPIO_DEV_READY)
+#endif
#include <nand.h>
@@ -43,7 +47,14 @@
int board_nand_init(struct nand_chip *nand)
{
+#ifdef NAND_PLAT_GPIO_DEV_READY
+ gpio_request(NAND_PLAT_GPIO_DEV_READY, "nand-plat");
+ gpio_direction_input(NAND_PLAT_GPIO_DEV_READY);
+#endif
+
+#ifdef NAND_PLAT_INIT
NAND_PLAT_INIT();
+#endif
nand->cmd_ctrl = plat_cmd_ctrl;
nand->dev_ready = plat_dev_ready;
diff --git a/include/configs/bf537-pnav.h b/include/configs/bf537-pnav.h
index 8daebc8..39bbb41 100644
--- a/include/configs/bf537-pnav.h
+++ b/include/configs/bf537-pnav.h
@@ -132,7 +132,6 @@
#define BFIN_NAND_CLE(chip) ((unsigned long)(chip)->IO_ADDR_W | (1 << 2))
#define BFIN_NAND_ALE(chip) ((unsigned long)(chip)->IO_ADDR_W | (1 << 1))
-#define BFIN_NAND_READY PF12
#define BFIN_NAND_WRITE(addr, cmd) \
do { \
bfin_write8(addr, cmd); \
@@ -141,13 +140,7 @@
#define NAND_PLAT_WRITE_CMD(chip, cmd) BFIN_NAND_WRITE(BFIN_NAND_CLE(chip), cmd)
#define NAND_PLAT_WRITE_ADR(chip, cmd) BFIN_NAND_WRITE(BFIN_NAND_ALE(chip), cmd)
-#define NAND_PLAT_DEV_READY(chip) (bfin_read_PORTHIO() & BFIN_NAND_READY)
-#define NAND_PLAT_INIT() \
- do { \
- bfin_write_PORTH_FER(bfin_read_PORTH_FER() & ~BFIN_NAND_READY); \
- bfin_write_PORTHIO_DIR(bfin_read_PORTHIO_DIR() & ~BFIN_NAND_READY); \
- bfin_write_PORTHIO_INEN(bfin_read_PORTHIO_INEN() | BFIN_NAND_READY); \
- } while (0)
+#define NAND_PLAT_GPIO_DEV_READY GPIO_PF12
/*
diff --git a/include/configs/bf537-stamp.h b/include/configs/bf537-stamp.h
index 3592862..96704d7 100644
--- a/include/configs/bf537-stamp.h
+++ b/include/configs/bf537-stamp.h
@@ -155,7 +155,6 @@
#define BFIN_NAND_CLE(chip) ((unsigned long)(chip)->IO_ADDR_W | (1 << 2))
#define BFIN_NAND_ALE(chip) ((unsigned long)(chip)->IO_ADDR_W | (1 << 1))
-#define BFIN_NAND_READY PF3
#define BFIN_NAND_WRITE(addr, cmd) \
do { \
bfin_write8(addr, cmd); \
@@ -164,13 +163,7 @@
#define NAND_PLAT_WRITE_CMD(chip, cmd) BFIN_NAND_WRITE(BFIN_NAND_CLE(chip), cmd)
#define NAND_PLAT_WRITE_ADR(chip, cmd) BFIN_NAND_WRITE(BFIN_NAND_ALE(chip), cmd)
-#define NAND_PLAT_DEV_READY(chip) (bfin_read_PORTFIO() & BFIN_NAND_READY)
-#define NAND_PLAT_INIT() \
- do { \
- bfin_write_PORTF_FER(bfin_read_PORTF_FER() & ~BFIN_NAND_READY); \
- bfin_write_PORTFIO_DIR(bfin_read_PORTFIO_DIR() & ~BFIN_NAND_READY); \
- bfin_write_PORTFIO_INEN(bfin_read_PORTFIO_INEN() | BFIN_NAND_READY); \
- } while (0)
+#define NAND_PLAT_GPIO_DEV_READY GPIO_PF3
/*
diff --git a/include/configs/bf561-acvilon.h b/include/configs/bf561-acvilon.h
index 44854c7..0c0204f 100644
--- a/include/configs/bf561-acvilon.h
+++ b/include/configs/bf561-acvilon.h
@@ -144,7 +144,6 @@
#define BFIN_NAND_CLE(chip) ((unsigned long)(chip)->IO_ADDR_W | (1 << 2))
#define BFIN_NAND_ALE(chip) ((unsigned long)(chip)->IO_ADDR_W | (1 << 3))
-#define BFIN_NAND_READY PF10
#define BFIN_NAND_WRITE(addr, cmd) \
do { \
bfin_write8(addr, cmd); \
@@ -153,12 +152,7 @@
#define NAND_PLAT_WRITE_CMD(chip, cmd) BFIN_NAND_WRITE(BFIN_NAND_CLE(chip), cmd)
#define NAND_PLAT_WRITE_ADR(chip, cmd) BFIN_NAND_WRITE(BFIN_NAND_ALE(chip), cmd)
-#define NAND_PLAT_DEV_READY(chip) (bfin_read_FIO0_FLAG_D() & BFIN_NAND_READY)
-#define NAND_PLAT_INIT() \
- do { \
- bfin_write_FIO0_DIR(bfin_read_FIO0_DIR() & ~BFIN_NAND_READY); \
- bfin_write_FIO0_INEN(bfin_read_FIO0_INEN() | BFIN_NAND_READY); \
- } while (0)
+#define NAND_PLAT_GPIO_DEV_READY GPIO_PF10
/*
diff --git a/include/configs/ip04.h b/include/configs/ip04.h
index 425a745..c024d78 100644
--- a/include/configs/ip04.h
+++ b/include/configs/ip04.h
@@ -116,7 +116,6 @@
#define BFIN_NAND_CLE(chip) ((unsigned long)(chip)->IO_ADDR_W | (1 << 2))
#define BFIN_NAND_ALE(chip) ((unsigned long)(chip)->IO_ADDR_W | (1 << 1))
-#define BFIN_NAND_READY PF10
#define BFIN_NAND_WRITE(addr, cmd) \
do { \
bfin_write8(addr, cmd); \
@@ -125,14 +124,7 @@
#define NAND_PLAT_WRITE_CMD(chip, cmd) BFIN_NAND_WRITE(BFIN_NAND_CLE(chip), cmd)
#define NAND_PLAT_WRITE_ADR(chip, cmd) BFIN_NAND_WRITE(BFIN_NAND_ALE(chip), cmd)
-#define NAND_PLAT_DEV_READY(chip) (bfin_read_FIO_FLAG_D() & BFIN_NAND_READY)
-#define NAND_PLAT_INIT() \
- do { \
- bfin_write_FIO_DIR(bfin_read_FIO_DIR() & ~BFIN_NAND_READY); \
- bfin_write_FIO_INEN(bfin_read_FIO_INEN() | BFIN_NAND_READY); \
- bfin_write_FIO_EDGE(bfin_read_FIO_EDGE() & ~BFIN_NAND_READY); \
- bfin_write_FIO_POLAR(bfin_read_FIO_POLAR() & ~BFIN_NAND_READY); \
- } while (0)
+#define NAND_PLAT_GPIO_DEV_READY GPIO_PF10
/*
diff --git a/include/environment.h b/include/environment.h
index 203f731..fbccf6a 100644
--- a/include/environment.h
+++ b/include/environment.h
@@ -74,15 +74,24 @@
#endif /* CONFIG_ENV_IS_IN_FLASH */
#if defined(CONFIG_ENV_IS_IN_NAND)
-# ifndef CONFIG_ENV_OFFSET
-# error "Need to define CONFIG_ENV_OFFSET when using CONFIG_ENV_IS_IN_NAND"
-# endif
+# if defined(CONFIG_ENV_OFFSET_OOB)
+# ifdef CONFIG_ENV_OFFSET_REDUND
+# error "CONFIG_ENV_OFFSET_REDUND is not supported when CONFIG_ENV_OFFSET_OOB"
+# error "is set"
+# endif
+extern unsigned long nand_env_oob_offset;
+# define CONFIG_ENV_OFFSET nand_env_oob_offset
+# else
+# ifndef CONFIG_ENV_OFFSET
+# error "Need to define CONFIG_ENV_OFFSET when using CONFIG_ENV_IS_IN_NAND"
+# endif
+# ifdef CONFIG_ENV_OFFSET_REDUND
+# define CONFIG_SYS_REDUNDAND_ENVIRONMENT
+# endif
+# endif /* CONFIG_ENV_OFFSET_OOB */
# ifndef CONFIG_ENV_SIZE
# error "Need to define CONFIG_ENV_SIZE when using CONFIG_ENV_IS_IN_NAND"
# endif
-# ifdef CONFIG_ENV_OFFSET_REDUND
-# define CONFIG_SYS_REDUNDAND_ENVIRONMENT
-# endif
#endif /* CONFIG_ENV_IS_IN_NAND */
#if defined(CONFIG_ENV_IS_IN_MG_DISK)
diff --git a/include/nand.h b/include/nand.h
index 2a81597..8bdf419 100644
--- a/include/nand.h
+++ b/include/nand.h
@@ -130,3 +130,12 @@
__attribute__((noreturn)) void nand_boot(void);
#endif
+
+#ifdef CONFIG_ENV_OFFSET_OOB
+#define ENV_OOB_MARKER 0x30425645 /*"EVB0" in little-endian -- offset is stored
+ as block number*/
+#define ENV_OOB_MARKER_OLD 0x30564e45 /*"ENV0" in little-endian -- offset is
+ stored as byte number */
+#define ENV_OFFSET_SIZE 8
+int get_nand_env_oob(nand_info_t *nand, unsigned long *result);
+#endif