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-rw-r--r--README6
-rw-r--r--board/bf537-stamp/Makefile1
-rw-r--r--board/bf537-stamp/nand.c100
-rw-r--r--board/davinci/sonata/sonata.c28
-rw-r--r--common/cmd_nand.c31
-rw-r--r--common/cmd_onenand.c35
-rw-r--r--common/env_nand.c51
-rw-r--r--common/env_onenand.c2
-rw-r--r--doc/README.nand9
-rw-r--r--drivers/mtd/nand/Makefile3
-rw-r--r--drivers/mtd/nand/davinci_nand.c289
-rw-r--r--drivers/mtd/nand/fsl_elbc_nand.c4
-rw-r--r--drivers/mtd/nand/nand_plat.c53
-rw-r--r--drivers/mtd/nand/nand_util.c20
-rw-r--r--include/asm-arm/arch-davinci/nand_defs.h130
-rw-r--r--include/configs/bf537-stamp.h42
-rw-r--r--include/configs/bfin_adi_common.h3
-rw-r--r--include/configs/smdk6400.h3
-rw-r--r--include/nand.h14
-rw-r--r--nand_spl/nand_boot.c28
20 files changed, 272 insertions, 580 deletions
diff --git a/README b/README
index 0e843372a..de700bd74 100644
--- a/README
+++ b/README
@@ -2428,6 +2428,12 @@ to save the current settings.
to a block boundary, and CONFIG_ENV_SIZE must be a multiple of
the NAND devices block size.
+- CONFIG_NAND_ENV_DST
+
+ Defines address in RAM to which the nand_spl code should copy the
+ environment. If redundant environment is used, it will be copied to
+ CONFIG_NAND_ENV_DST + CONFIG_ENV_SIZE.
+
- CONFIG_SYS_SPI_INIT_OFFSET
Defines offset to the initial SPI buffer area in DPRAM. The
diff --git a/board/bf537-stamp/Makefile b/board/bf537-stamp/Makefile
index 4c9e015a1..f728e2c0d 100644
--- a/board/bf537-stamp/Makefile
+++ b/board/bf537-stamp/Makefile
@@ -32,7 +32,6 @@ LIB = $(obj)lib$(BOARD).a
COBJS-y := $(BOARD).o cmd_bf537led.o
COBJS-$(CONFIG_BFIN_IDE) += ide-cf.o
COBJS-$(CONFIG_CMD_EEPROM) += spi_flash.o
-COBJS-$(CONFIG_CMD_NAND) += nand.o
COBJS-$(CONFIG_POST) += post.o post-memory.o
SRCS := $(SOBJS-y:.o=.S) $(COBJS-y:.o=.c)
diff --git a/board/bf537-stamp/nand.c b/board/bf537-stamp/nand.c
deleted file mode 100644
index 181e83d6a..000000000
--- a/board/bf537-stamp/nand.c
+++ /dev/null
@@ -1,100 +0,0 @@
-/*
- * Copyright (c) 2006-2007 Analog Devices Inc.
- *
- * 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
- */
-
-#include <common.h>
-#include <asm/io.h>
-
-#include <nand.h>
-
-#define CONCAT(a,b,c,d) a ## b ## c ## d
-#define PORT(a,b) CONCAT(pPORT,a,b,)
-
-#ifndef CONFIG_NAND_GPIO_PORT
-#define CONFIG_NAND_GPIO_PORT F
-#endif
-
-/*
- * hardware specific access to control-lines
- */
-static void bfin_hwcontrol(struct mtd_info *mtd, int cmd, unsigned int ctrl)
-{
- register struct nand_chip *this = mtd->priv;
- u32 IO_ADDR_W = (u32) this->IO_ADDR_W;
-
- if (ctrl & NAND_CTRL_CHANGE) {
- if (ctrl & NAND_CLE)
- IO_ADDR_W = CONFIG_SYS_NAND_BASE + BFIN_NAND_CLE;
- else
- IO_ADDR_W = CONFIG_SYS_NAND_BASE;
- if (ctrl & NAND_ALE)
- IO_ADDR_W = CONFIG_SYS_NAND_BASE + BFIN_NAND_ALE;
- else
- IO_ADDR_W = CONFIG_SYS_NAND_BASE;
- this->IO_ADDR_W = (void __iomem *) IO_ADDR_W;
- }
- this->IO_ADDR_R = this->IO_ADDR_W;
-
- /* Drain the writebuffer */
- SSYNC();
-
- if (cmd != NAND_CMD_NONE)
- writeb(cmd, this->IO_ADDR_W);
-}
-
-int bfin_device_ready(struct mtd_info *mtd)
-{
- int ret = (*PORT(CONFIG_NAND_GPIO_PORT, IO) & BFIN_NAND_READY) ? 1 : 0;
- SSYNC();
- return ret;
-}
-
-/*
- * Board-specific NAND initialization. The following members of the
- * argument are board-specific (per include/linux/mtd/nand.h):
- * - IO_ADDR_R?: address to read the 8 I/O lines of the flash device
- * - IO_ADDR_W?: address to write the 8 I/O lines of the flash device
- * - cmd_ctrl: hardwarespecific function for accesing control-lines
- * - dev_ready: hardwarespecific function for accesing device ready/busy line
- * - enable_hwecc?: function to enable (reset) hardware ecc generator. Must
- * only be provided if a hardware ECC is available
- * - ecc.mode: mode of ecc, see defines
- * - chip_delay: chip dependent delay for transfering data from array to
- * read regs (tR)
- * - options: various chip options. They can partly be set to inform
- * nand_scan about special functionality. See the defines for further
- * explanation
- * Members with a "?" were not set in the merged testing-NAND branch,
- * so they are not set here either.
- */
-int board_nand_init(struct nand_chip *nand)
-{
- *PORT(CONFIG_NAND_GPIO_PORT, _FER) &= ~BFIN_NAND_READY;
- *PORT(CONFIG_NAND_GPIO_PORT, IO_DIR) &= ~BFIN_NAND_READY;
- *PORT(CONFIG_NAND_GPIO_PORT, IO_INEN) |= BFIN_NAND_READY;
-
- nand->cmd_ctrl = bfin_hwcontrol;
- nand->ecc.mode = NAND_ECC_SOFT;
- nand->dev_ready = bfin_device_ready;
- nand->chip_delay = 30;
-
- return 0;
-}
diff --git a/board/davinci/sonata/sonata.c b/board/davinci/sonata/sonata.c
index 7f9d9bba3..817970aea 100644
--- a/board/davinci/sonata/sonata.c
+++ b/board/davinci/sonata/sonata.c
@@ -25,6 +25,8 @@
*/
#include <common.h>
+#include <nand.h>
+#include <asm/arch/nand_defs.h>
#include <asm/arch/hardware.h>
#include "../common/misc.h"
@@ -72,3 +74,29 @@ int misc_init_r(void)
return(0);
}
+
+#ifdef CONFIG_NAND_DAVINCI
+
+/* Set WP on deselect, write enable on select */
+static void nand_sonata_select_chip(struct mtd_info *mtd, int chip)
+{
+#define GPIO_SET_DATA01 0x01c67018
+#define GPIO_CLR_DATA01 0x01c6701c
+#define GPIO_NAND_WP (1 << 4)
+#ifdef SONATA_BOARD_GPIOWP
+ if (chip < 0) {
+ REG(GPIO_CLR_DATA01) |= GPIO_NAND_WP;
+ } else {
+ REG(GPIO_SET_DATA01) |= GPIO_NAND_WP;
+ }
+#endif
+}
+
+int board_nand_init(struct nand_chip *nand)
+{
+ davinci_nand_init(nand);
+ nand->select_chip = nand_sonata_select_chip;
+ return 0;
+}
+
+#endif /* CONFIG_NAND_DAVINCI */
diff --git a/common/cmd_nand.c b/common/cmd_nand.c
index 94514160b..2f7052122 100644
--- a/common/cmd_nand.c
+++ b/common/cmd_nand.c
@@ -414,18 +414,29 @@ int do_nand(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
}
if (strcmp(cmd, "markbad") == 0) {
- addr = (ulong)simple_strtoul(argv[2], NULL, 16);
+ argc -= 2;
+ argv += 2;
- int ret = nand->block_markbad(nand, addr);
- if (ret == 0) {
- printf("block 0x%08lx successfully marked as bad\n",
- (ulong) addr);
- return 0;
- } else {
- printf("block 0x%08lx NOT marked as bad! ERROR %d\n",
- (ulong) addr, ret);
+ if (argc <= 0)
+ goto usage;
+
+ while (argc > 0) {
+ addr = simple_strtoul(*argv, NULL, 16);
+
+ if (nand->block_markbad(nand, addr)) {
+ printf("block 0x%08lx NOT marked "
+ "as bad! ERROR %d\n",
+ addr, ret);
+ ret = 1;
+ } else {
+ printf("block 0x%08lx successfully "
+ "marked as bad\n",
+ addr);
+ }
+ --argc;
+ ++argv;
}
- return 1;
+ return ret;
}
if (strcmp(cmd, "biterr") == 0) {
diff --git a/common/cmd_onenand.c b/common/cmd_onenand.c
index 85bd2cb68..9090940ae 100644
--- a/common/cmd_onenand.c
+++ b/common/cmd_onenand.c
@@ -340,7 +340,7 @@ int do_onenand(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
int blocksize;
ulong addr, ofs;
size_t len, retlen = 0;
- int ret;
+ int ret = 0;
char *cmd, *s;
mtd = &onenand_mtd;
@@ -434,18 +434,29 @@ int do_onenand(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
}
if (strcmp(cmd, "markbad") == 0) {
- addr = (ulong)simple_strtoul(argv[2], NULL, 16);
+ argc -= 2;
+ argv += 2;
- int ret = mtd->block_markbad(mtd, addr);
- if (ret == 0) {
- printf("block 0x%08lx successfully marked as bad\n",
- (ulong) addr);
- return 0;
- } else {
- printf("block 0x%08lx NOT marked as bad! ERROR %d\n",
- (ulong) addr, ret);
+ if (argc <= 0)
+ goto usage;
+
+ while (argc > 0) {
+ addr = simple_strtoul(*argv, NULL, 16);
+
+ if (mtd->block_markbad(mtd, addr)) {
+ printf("block 0x%08lx NOT marked "
+ "as bad! ERROR %d\n",
+ addr, ret);
+ ret = 1;
+ } else {
+ printf("block 0x%08lx successfully "
+ "marked as bad\n",
+ addr);
+ }
+ --argc;
+ ++argv;
}
- return 1;
+ return ret;
}
if (strncmp(cmd, "dump", 4) == 0) {
@@ -474,7 +485,7 @@ usage:
}
U_BOOT_CMD(
- onenand, 6, 1, do_onenand,
+ onenand, CONFIG_SYS_MAXARGS, 1, do_onenand,
"OneNAND sub-system",
"info - show available OneNAND devices\n"
"onenand bad - show bad blocks\n"
diff --git a/common/env_nand.c b/common/env_nand.c
index 76569da0f..90a1c4547 100644
--- a/common/env_nand.c
+++ b/common/env_nand.c
@@ -68,9 +68,11 @@ extern int default_environment_size;
char * env_name_spec = "NAND";
-#ifdef ENV_IS_EMBEDDED
+#if defined(ENV_IS_EMBEDDED)
extern uchar environment[];
env_t *env_ptr = (env_t *)(&environment[0]);
+#elif defined(CONFIG_NAND_ENV_DST)
+env_t *env_ptr = (env_t *)CONFIG_NAND_ENV_DST;
#else /* ! ENV_IS_EMBEDDED */
env_t *env_ptr = 0;
#endif /* ENV_IS_EMBEDDED */
@@ -102,26 +104,33 @@ uchar env_get_char_spec (int index)
*/
int env_init(void)
{
-#if defined(ENV_IS_EMBEDDED)
- size_t total;
+#if defined(ENV_IS_EMBEDDED) || defined(CONFIG_NAND_ENV_DST)
int crc1_ok = 0, crc2_ok = 0;
- env_t *tmp_env1, *tmp_env2;
+ env_t *tmp_env1;
- total = CONFIG_ENV_SIZE;
+#ifdef CONFIG_ENV_OFFSET_REDUND
+ env_t *tmp_env2;
- tmp_env1 = env_ptr;
tmp_env2 = (env_t *)((ulong)env_ptr + CONFIG_ENV_SIZE);
+ crc2_ok = (crc32(0, tmp_env2->data, ENV_SIZE) == tmp_env2->crc);
+#endif
+
+ tmp_env1 = env_ptr;
crc1_ok = (crc32(0, tmp_env1->data, ENV_SIZE) == tmp_env1->crc);
- crc2_ok = (crc32(0, tmp_env2->data, ENV_SIZE) == tmp_env2->crc);
- if (!crc1_ok && !crc2_ok)
+ if (!crc1_ok && !crc2_ok) {
+ gd->env_addr = 0;
gd->env_valid = 0;
- else if(crc1_ok && !crc2_ok)
+
+ return 0;
+ } else if (crc1_ok && !crc2_ok) {
gd->env_valid = 1;
- else if(!crc1_ok && crc2_ok)
+ }
+#ifdef CONFIG_ENV_OFFSET_REDUND
+ else if (!crc1_ok && crc2_ok) {
gd->env_valid = 2;
- else {
+ } else {
/* both ok - check serial */
if(tmp_env1->flags == 255 && tmp_env2->flags == 0)
gd->env_valid = 2;
@@ -135,14 +144,19 @@ int env_init(void)
gd->env_valid = 1;
}
+ if (gd->env_valid == 2)
+ env_ptr = tmp_env2;
+ else
+#endif
if (gd->env_valid == 1)
env_ptr = tmp_env1;
- else if (gd->env_valid == 2)
- env_ptr = tmp_env2;
-#else /* ENV_IS_EMBEDDED */
+
+ gd->env_addr = (ulong)env_ptr->data;
+
+#else /* ENV_IS_EMBEDDED || CONFIG_NAND_ENV_DST */
gd->env_addr = (ulong)&default_environment[0];
gd->env_valid = 1;
-#endif /* ENV_IS_EMBEDDED */
+#endif /* ENV_IS_EMBEDDED || CONFIG_NAND_ENV_DST */
return (0);
}
@@ -183,12 +197,10 @@ int writeenv(size_t offset, u_char *buf)
#ifdef CONFIG_ENV_OFFSET_REDUND
int saveenv(void)
{
- size_t total;
int ret = 0;
nand_erase_options_t nand_erase_options;
env_ptr->flags++;
- total = CONFIG_ENV_SIZE;
nand_erase_options.length = CONFIG_ENV_RANGE;
nand_erase_options.quiet = 0;
@@ -226,7 +238,6 @@ int saveenv(void)
#else /* ! CONFIG_ENV_OFFSET_REDUND */
int saveenv(void)
{
- size_t total;
int ret = 0;
nand_erase_options_t nand_erase_options;
@@ -243,7 +254,6 @@ int saveenv(void)
return 1;
puts ("Writing to Nand... ");
- total = CONFIG_ENV_SIZE;
if (writeenv(CONFIG_ENV_OFFSET, (u_char *) env_ptr)) {
puts("FAILED!\n");
return 1;
@@ -287,12 +297,9 @@ int readenv (size_t offset, u_char * buf)
void env_relocate_spec (void)
{
#if !defined(ENV_IS_EMBEDDED)
- size_t total;
int crc1_ok = 0, crc2_ok = 0;
env_t *tmp_env1, *tmp_env2;
- total = CONFIG_ENV_SIZE;
-
tmp_env1 = (env_t *) malloc(CONFIG_ENV_SIZE);
tmp_env2 = (env_t *) malloc(CONFIG_ENV_SIZE);
diff --git a/common/env_onenand.c b/common/env_onenand.c
index ed7705172..48089a960 100644
--- a/common/env_onenand.c
+++ b/common/env_onenand.c
@@ -58,7 +58,7 @@ uchar env_get_char_spec(int index)
void env_relocate_spec(void)
{
- unsigned long env_addr;
+ loff_t env_addr;
int use_default = 0;
size_t retlen;
diff --git a/doc/README.nand b/doc/README.nand
index bb722892d..b077d9ab3 100644
--- a/doc/README.nand
+++ b/doc/README.nand
@@ -101,15 +101,6 @@ Configuration Options:
CONFIG_SYS_NAND_MAX_CHIPS
The maximum number of NAND chips per device to be supported.
- CONFIG_SYS_DAVINCI_BROKEN_ECC
- Versions of U-Boot <= 1.3.3 and Montavista Linux kernels
- generated bogus ECCs on large-page NAND. Both large and small page
- NAND ECCs were incompatible with the Linux davinci git tree (since
- NAND was integrated in 2.6.24).
- Turn this ON if you want backwards compatibility.
- Turn this OFF if you want U-Boot and the Linux davinci git kernel
- to use the same ECC format.
-
NOTE:
=====
diff --git a/drivers/mtd/nand/Makefile b/drivers/mtd/nand/Makefile
index 71dd5b9b8..c1325b905 100644
--- a/drivers/mtd/nand/Makefile
+++ b/drivers/mtd/nand/Makefile
@@ -42,9 +42,10 @@ COBJS-$(CONFIG_NAND_FSL_ELBC) += fsl_elbc_nand.o
COBJS-$(CONFIG_NAND_FSL_UPM) += fsl_upm.o
COBJS-$(CONFIG_NAND_MPC5121_NFC) += mpc5121_nfc.o
COBJS-$(CONFIG_NAND_NOMADIK) += nomadik.o
-COBJS-$(CONFIG_NAND_S3C2410) += s3c2410_nand.c
+COBJS-$(CONFIG_NAND_S3C2410) += s3c2410_nand.o
COBJS-$(CONFIG_NAND_S3C64XX) += s3c64xx.o
COBJS-$(CONFIG_NAND_OMAP_GPMC) += omap_gpmc.o
+COBJS-$(CONFIG_NAND_PLAT) += nand_plat.o
endif
COBJS := $(COBJS-y)
diff --git a/drivers/mtd/nand/davinci_nand.c b/drivers/mtd/nand/davinci_nand.c
index 8ef18b812..ca40c6ac0 100644
--- a/drivers/mtd/nand/davinci_nand.c
+++ b/drivers/mtd/nand/davinci_nand.c
@@ -47,7 +47,7 @@
#include <asm/arch/nand_defs.h>
#include <asm/arch/emif_defs.h>
-extern struct nand_chip nand_dev_desc[CONFIG_SYS_MAX_NAND_DEVICE];
+static emif_registers *const emif_regs = (void *) DAVINCI_ASYNC_EMIF_CNTRL_BASE;
static void nand_davinci_hwcontrol(struct mtd_info *mtd, int cmd, unsigned int ctrl)
{
@@ -68,81 +68,30 @@ static void nand_davinci_hwcontrol(struct mtd_info *mtd, int cmd, unsigned int c
writeb(cmd, this->IO_ADDR_W);
}
-/* Set WP on deselect, write enable on select */
-static void nand_davinci_select_chip(struct mtd_info *mtd, int chip)
-{
-#define GPIO_SET_DATA01 0x01c67018
-#define GPIO_CLR_DATA01 0x01c6701c
-#define GPIO_NAND_WP (1 << 4)
-#ifdef SONATA_BOARD_GPIOWP
- if (chip < 0) {
- REG(GPIO_CLR_DATA01) |= GPIO_NAND_WP;
- } else {
- REG(GPIO_SET_DATA01) |= GPIO_NAND_WP;
- }
-#endif
-}
-
#ifdef CONFIG_SYS_NAND_HW_ECC
-#ifdef CONFIG_SYS_DAVINCI_BROKEN_ECC
-/* Linux-compatible ECC uses MTD defaults. */
-/* These layouts are not compatible with Linux or RBL/UBL. */
-#ifdef CONFIG_SYS_NAND_LARGEPAGE
-static struct nand_ecclayout davinci_nand_ecclayout = {
- .eccbytes = 12,
- .eccpos = {8, 9, 10, 24, 25, 26, 40, 41, 42, 56, 57, 58},
- .oobfree = {
- {.offset = 2, .length = 6},
- {.offset = 12, .length = 12},
- {.offset = 28, .length = 12},
- {.offset = 44, .length = 12},
- {.offset = 60, .length = 4}
- }
-};
-#elif defined(CONFIG_SYS_NAND_SMALLPAGE)
-static struct nand_ecclayout davinci_nand_ecclayout = {
- .eccbytes = 3,
- .eccpos = {0, 1, 2},
- .oobfree = {
- {.offset = 6, .length = 2},
- {.offset = 8, .length = 8}
- }
-};
-#else
-#error "Either CONFIG_SYS_NAND_LARGEPAGE or CONFIG_SYS_NAND_SMALLPAGE must be defined!"
-#endif
-#endif /* CONFIG_SYS_DAVINCI_BROKEN_ECC */
static void nand_davinci_enable_hwecc(struct mtd_info *mtd, int mode)
{
- emifregs emif_addr;
int dummy;
- emif_addr = (emifregs)DAVINCI_ASYNC_EMIF_CNTRL_BASE;
-
- dummy = emif_addr->NANDF1ECC;
- dummy = emif_addr->NANDF2ECC;
- dummy = emif_addr->NANDF3ECC;
- dummy = emif_addr->NANDF4ECC;
+ dummy = emif_regs->NANDF1ECC;
- emif_addr->NANDFCR |= (1 << 8);
+ /* FIXME: only chipselect 0 is supported for now */
+ emif_regs->NANDFCR |= 1 << 8;
}
static u_int32_t nand_davinci_readecc(struct mtd_info *mtd, u_int32_t region)
{
u_int32_t ecc = 0;
- emifregs emif_base_addr;
-
- emif_base_addr = (emifregs)DAVINCI_ASYNC_EMIF_CNTRL_BASE;
if (region == 1)
- ecc = emif_base_addr->NANDF1ECC;
+ ecc = emif_regs->NANDF1ECC;
else if (region == 2)
- ecc = emif_base_addr->NANDF2ECC;
+ ecc = emif_regs->NANDF2ECC;
else if (region == 3)
- ecc = emif_base_addr->NANDF3ECC;
+ ecc = emif_regs->NANDF3ECC;
else if (region == 4)
- ecc = emif_base_addr->NANDF4ECC;
+ ecc = emif_regs->NANDF4ECC;
return(ecc);
}
@@ -150,29 +99,6 @@ static u_int32_t nand_davinci_readecc(struct mtd_info *mtd, u_int32_t region)
static int nand_davinci_calculate_ecc(struct mtd_info *mtd, const u_char *dat, u_char *ecc_code)
{
u_int32_t tmp;
-#ifdef CONFIG_SYS_DAVINCI_BROKEN_ECC
- /*
- * This is not how you should read ECCs on large page Davinci devices.
- * The region parameter gets you ECCs for flash chips on different chip
- * selects, not the 4x512 byte pages in a 2048 byte page.
- *
- * Preserved for backwards compatibility though.
- */
-
- int region, n;
- struct nand_chip *this = mtd->priv;
-
- n = (this->ecc.size/512);
-
- region = 1;
- while (n--) {
- tmp = nand_davinci_readecc(mtd, region);
- *ecc_code++ = tmp;
- *ecc_code++ = tmp >> 16;
- *ecc_code++ = ((tmp >> 8) & 0x0f) | ((tmp >> 20) & 0xf0);
- region++;
- }
-#else
const int region = 1;
tmp = nand_davinci_readecc(mtd, region);
@@ -187,148 +113,26 @@ static int nand_davinci_calculate_ecc(struct mtd_info *mtd, const u_char *dat, u
*ecc_code++ = tmp;
*ecc_code++ = tmp >> 8;
*ecc_code++ = tmp >> 16;
-#endif /* CONFIG_SYS_DAVINCI_BROKEN_ECC */
- return(0);
-}
-
-#ifdef CONFIG_SYS_DAVINCI_BROKEN_ECC
-static void nand_davinci_gen_true_ecc(u_int8_t *ecc_buf)
-{
- u_int32_t tmp = ecc_buf[0] | (ecc_buf[1] << 16) | ((ecc_buf[2] & 0xf0) << 20) | ((ecc_buf[2] & 0x0f) << 8);
-
- ecc_buf[0] = ~(P64o(tmp) | P64e(tmp) | P32o(tmp) | P32e(tmp) | P16o(tmp) | P16e(tmp) | P8o(tmp) | P8e(tmp));
- ecc_buf[1] = ~(P1024o(tmp) | P1024e(tmp) | P512o(tmp) | P512e(tmp) | P256o(tmp) | P256e(tmp) | P128o(tmp) | P128e(tmp));
- ecc_buf[2] = ~( P4o(tmp) | P4e(tmp) | P2o(tmp) | P2e(tmp) | P1o(tmp) | P1e(tmp) | P2048o(tmp) | P2048e(tmp));
-}
-
-static int nand_davinci_compare_ecc(u_int8_t *ecc_nand, u_int8_t *ecc_calc, u_int8_t *page_data)
-{
- u_int32_t i;
- u_int8_t tmp0_bit[8], tmp1_bit[8], tmp2_bit[8];
- u_int8_t comp0_bit[8], comp1_bit[8], comp2_bit[8];
- u_int8_t ecc_bit[24];
- u_int8_t ecc_sum = 0;
- u_int8_t find_bit = 0;
- u_int32_t find_byte = 0;
- int is_ecc_ff;
-
- is_ecc_ff = ((*ecc_nand == 0xff) && (*(ecc_nand + 1) == 0xff) && (*(ecc_nand + 2) == 0xff));
-
- nand_davinci_gen_true_ecc(ecc_nand);
- nand_davinci_gen_true_ecc(ecc_calc);
-
- for (i = 0; i <= 2; i++) {
- *(ecc_nand + i) = ~(*(ecc_nand + i));
- *(ecc_calc + i) = ~(*(ecc_calc + i));
- }
-
- for (i = 0; i < 8; i++) {
- tmp0_bit[i] = *ecc_nand % 2;
- *ecc_nand = *ecc_nand / 2;
- }
-
- for (i = 0; i < 8; i++) {
- tmp1_bit[i] = *(ecc_nand + 1) % 2;
- *(ecc_nand + 1) = *(ecc_nand + 1) / 2;
- }
-
- for (i = 0; i < 8; i++) {
- tmp2_bit[i] = *(ecc_nand + 2) % 2;
- *(ecc_nand + 2) = *(ecc_nand + 2) / 2;
- }
-
- for (i = 0; i < 8; i++) {
- comp0_bit[i] = *ecc_calc % 2;
- *ecc_calc = *ecc_calc / 2;
- }
-
- for (i = 0; i < 8; i++) {
- comp1_bit[i] = *(ecc_calc + 1) % 2;
- *(ecc_calc + 1) = *(ecc_calc + 1) / 2;
- }
- for (i = 0; i < 8; i++) {
- comp2_bit[i] = *(ecc_calc + 2) % 2;
- *(ecc_calc + 2) = *(ecc_calc + 2) / 2;
- }
-
- for (i = 0; i< 6; i++)
- ecc_bit[i] = tmp2_bit[i + 2] ^ comp2_bit[i + 2];
-
- for (i = 0; i < 8; i++)
- ecc_bit[i + 6] = tmp0_bit[i] ^ comp0_bit[i];
-
- for (i = 0; i < 8; i++)
- ecc_bit[i + 14] = tmp1_bit[i] ^ comp1_bit[i];
-
- ecc_bit[22] = tmp2_bit[0] ^ comp2_bit[0];
- ecc_bit[23] = tmp2_bit[1] ^ comp2_bit[1];
-
- for (i = 0; i < 24; i++)
- ecc_sum += ecc_bit[i];
-
- switch (ecc_sum) {
- case 0:
- /* Not reached because this function is not called if
- ECC values are equal */
- return 0;
- case 1:
- /* Uncorrectable error */
- MTDDEBUG (MTD_DEBUG_LEVEL0,
- "ECC UNCORRECTED_ERROR 1\n");
- return(-1);
- case 12:
- /* Correctable error */
- find_byte = (ecc_bit[23] << 8) +
- (ecc_bit[21] << 7) +
- (ecc_bit[19] << 6) +
- (ecc_bit[17] << 5) +
- (ecc_bit[15] << 4) +
- (ecc_bit[13] << 3) +
- (ecc_bit[11] << 2) +
- (ecc_bit[9] << 1) +
- ecc_bit[7];
-
- find_bit = (ecc_bit[5] << 2) + (ecc_bit[3] << 1) + ecc_bit[1];
-
- MTDDEBUG (MTD_DEBUG_LEVEL0, "Correcting single bit ECC "
- "error at offset: %d, bit: %d\n",
- find_byte, find_bit);
-
- page_data[find_byte] ^= (1 << find_bit);
+ /* NOTE: the above code matches mainline Linux:
+ * .PQR.stu ==> ~PQRstu
+ *
+ * MontaVista/TI kernels encode those bytes differently, use
+ * complicated (and allegedly sometimes-wrong) correction code,
+ * and usually shipped with U-Boot that uses software ECC:
+ * .PQR.stu ==> PsQRtu
+ *
+ * If you need MV/TI compatible NAND I/O in U-Boot, it should
+ * be possible to (a) change the mangling above, (b) reverse
+ * that mangling in nand_davinci_correct_data() below.
+ */
- return(0);
- default:
- if (is_ecc_ff) {
- if (ecc_calc[0] == 0 && ecc_calc[1] == 0 && ecc_calc[2] == 0)
- return(0);
- }
- MTDDEBUG (MTD_DEBUG_LEVEL0,
- "UNCORRECTED_ERROR default\n");
- return(-1);
- }
+ return 0;
}
-#endif /* CONFIG_SYS_DAVINCI_BROKEN_ECC */
static int nand_davinci_correct_data(struct mtd_info *mtd, u_char *dat, u_char *read_ecc, u_char *calc_ecc)
{
struct nand_chip *this = mtd->priv;
-#ifdef CONFIG_SYS_DAVINCI_BROKEN_ECC
- int block_count = 0, i, rc;
-
- block_count = (this->ecc.size/512);
- for (i = 0; i < block_count; i++) {
- if (memcmp(read_ecc, calc_ecc, 3) != 0) {
- rc = nand_davinci_compare_ecc(read_ecc, calc_ecc, dat);
- if (rc < 0) {
- return(rc);
- }
- }
- read_ecc += 3;
- calc_ecc += 3;
- dat += 512;
- }
-#else
u_int32_t ecc_nand = read_ecc[0] | (read_ecc[1] << 8) |
(read_ecc[2] << 16);
u_int32_t ecc_calc = calc_ecc[0] | (calc_ecc[1] << 8) |
@@ -362,31 +166,24 @@ static int nand_davinci_correct_data(struct mtd_info *mtd, u_char *dat, u_char *
return -1;
}
}
-#endif /* CONFIG_SYS_DAVINCI_BROKEN_ECC */
return(0);
}
#endif /* CONFIG_SYS_NAND_HW_ECC */
static int nand_davinci_dev_ready(struct mtd_info *mtd)
{
- emifregs emif_addr;
-
- emif_addr = (emifregs)DAVINCI_ASYNC_EMIF_CNTRL_BASE;
-
- return(emif_addr->NANDFSR & 0x1);
-}
-
-static int nand_davinci_waitfunc(struct mtd_info *mtd, struct nand_chip *this)
-{
- while(!nand_davinci_dev_ready(mtd)) {;}
- *NAND_CE0CLE = NAND_STATUS;
- return(*NAND_CE0DATA);
+ return emif_regs->NANDFSR & 0x1;
}
static void nand_flash_init(void)
{
+ /* This is for DM6446 EVM and *very* similar. DO NOT GROW THIS!
+ * Instead, have your board_init() set EMIF timings, based on its
+ * knowledge of the clocks and what devices are hooked up ... and
+ * don't even do that unless no UBL handled it.
+ */
+#ifdef CONFIG_SOC_DM6446
u_int32_t acfg1 = 0x3ffffffc;
- emifregs emif_regs;
/*------------------------------------------------------------------*
* NAND FLASH CHIP TIMEOUT @ 459 MHz *
@@ -408,39 +205,22 @@ static void nand_flash_init(void)
| (0 << 0 ) /* asyncSize 8-bit bus */
;
- emif_regs = (emifregs)DAVINCI_ASYNC_EMIF_CNTRL_BASE;
-
emif_regs->AB1CR = acfg1; /* CS2 */
emif_regs->NANDFCR = 0x00000101; /* NAND flash on CS2 */
+#endif
}
-int board_nand_init(struct nand_chip *nand)
+void davinci_nand_init(struct nand_chip *nand)
{
- nand->IO_ADDR_R = (void __iomem *)NAND_CE0DATA;
- nand->IO_ADDR_W = (void __iomem *)NAND_CE0DATA;
nand->chip_delay = 0;
- nand->select_chip = nand_davinci_select_chip;
#ifdef CONFIG_SYS_NAND_USE_FLASH_BBT
nand->options = NAND_USE_FLASH_BBT;
#endif
#ifdef CONFIG_SYS_NAND_HW_ECC
nand->ecc.mode = NAND_ECC_HW;
-#ifdef CONFIG_SYS_DAVINCI_BROKEN_ECC
- nand->ecc.layout = &davinci_nand_ecclayout;
-#ifdef CONFIG_SYS_NAND_LARGEPAGE
- nand->ecc.size = 2048;
- nand->ecc.bytes = 12;
-#elif defined(CONFIG_SYS_NAND_SMALLPAGE)
nand->ecc.size = 512;
nand->ecc.bytes = 3;
-#else
-#error "Either CONFIG_SYS_NAND_LARGEPAGE or CONFIG_SYS_NAND_SMALLPAGE must be defined!"
-#endif
-#else
- nand->ecc.size = 512;
- nand->ecc.bytes = 3;
-#endif /* CONFIG_SYS_DAVINCI_BROKEN_ECC */
nand->ecc.calculate = nand_davinci_calculate_ecc;
nand->ecc.correct = nand_davinci_correct_data;
nand->ecc.hwctl = nand_davinci_enable_hwecc;
@@ -452,9 +232,14 @@ int board_nand_init(struct nand_chip *nand)
nand->cmd_ctrl = nand_davinci_hwcontrol;
nand->dev_ready = nand_davinci_dev_ready;
- nand->waitfunc = nand_davinci_waitfunc;
nand_flash_init();
+}
- return(0);
+int board_nand_init(struct nand_chip *chip) __attribute__((weak));
+
+int board_nand_init(struct nand_chip *chip)
+{
+ davinci_nand_init(chip);
+ return 0;
}
diff --git a/drivers/mtd/nand/fsl_elbc_nand.c b/drivers/mtd/nand/fsl_elbc_nand.c
index 3f318e02e..77a33c078 100644
--- a/drivers/mtd/nand/fsl_elbc_nand.c
+++ b/drivers/mtd/nand/fsl_elbc_nand.c
@@ -766,6 +766,9 @@ int board_nand_init(struct nand_chip *nand)
nand->waitfunc = fsl_elbc_wait;
/* set up nand options */
+ /* redirect the pointer of bbt pattern to RAM */
+ bbt_main_descr.pattern = bbt_pattern;
+ bbt_mirror_descr.pattern = mirror_pattern;
nand->bbt_td = &bbt_main_descr;
nand->bbt_md = &bbt_mirror_descr;
@@ -812,6 +815,7 @@ int board_nand_init(struct nand_chip *nand)
/* Large-page-specific setup */
if (or & OR_FCM_PGS) {
priv->page_size = 1;
+ largepage_memorybased.pattern = scan_ff_pattern;
nand->badblock_pattern = &largepage_memorybased;
/* adjust ecc setup if needed */
diff --git a/drivers/mtd/nand/nand_plat.c b/drivers/mtd/nand/nand_plat.c
new file mode 100644
index 000000000..b35492b9f
--- /dev/null
+++ b/drivers/mtd/nand/nand_plat.c
@@ -0,0 +1,53 @@
+/*
+ * Genericish driver for memory mapped NAND devices
+ *
+ * Copyright (c) 2006-2009 Analog Devices Inc.
+ * Licensed under the GPL-2 or later.
+ */
+
+/* Your board must implement the following macros:
+ * NAND_PLAT_WRITE_CMD(chip, cmd)
+ * NAND_PLAT_WRITE_ADR(chip, cmd)
+ * NAND_PLAT_INIT()
+ *
+ * It may also implement the following:
+ * NAND_PLAT_DEV_READY(chip)
+ */
+
+#include <common.h>
+#include <asm/io.h>
+
+#include <nand.h>
+
+static void plat_cmd_ctrl(struct mtd_info *mtd, int cmd, unsigned int ctrl)
+{
+ struct nand_chip *this = mtd->priv;
+
+ if (cmd == NAND_CMD_NONE)
+ return;
+
+ if (ctrl & NAND_CLE)
+ NAND_PLAT_WRITE_CMD(this, cmd);
+ else
+ NAND_PLAT_WRITE_ADR(this, cmd);
+}
+
+#ifdef NAND_PLAT_DEV_READY
+static int plat_dev_ready(struct mtd_info *mtd)
+{
+ return NAND_PLAT_DEV_READY((struct nand_chip *)mtd->priv);
+}
+#else
+# define plat_dev_ready NULL
+#endif
+
+int board_nand_init(struct nand_chip *nand)
+{
+ NAND_PLAT_INIT();
+
+ nand->cmd_ctrl = plat_cmd_ctrl;
+ nand->dev_ready = plat_dev_ready;
+ nand->ecc.mode = NAND_ECC_SOFT;
+
+ return 0;
+}
diff --git a/drivers/mtd/nand/nand_util.c b/drivers/mtd/nand/nand_util.c
index 88206d067..fc16282c2 100644
--- a/drivers/mtd/nand/nand_util.c
+++ b/drivers/mtd/nand/nand_util.c
@@ -315,7 +315,7 @@ int nand_lock(struct mtd_info *mtd, int tight)
* NAND_LOCK_STATUS_UNLOCK: page unlocked
*
*/
-int nand_get_lock_status(struct mtd_info *mtd, ulong offset)
+int nand_get_lock_status(struct mtd_info *mtd, loff_t offset)
{
int ret = 0;
int chipnr;
@@ -436,7 +436,7 @@ int nand_unlock(struct mtd_info *mtd, ulong start, ulong length)
* @param length image length
* @return image length including bad blocks
*/
-static size_t get_len_incl_bad (nand_info_t *nand, size_t offset,
+static size_t get_len_incl_bad (nand_info_t *nand, loff_t offset,
const size_t length)
{
size_t len_incl_bad = 0;
@@ -473,7 +473,7 @@ static size_t get_len_incl_bad (nand_info_t *nand, size_t offset,
* @param buf buffer to read from
* @return 0 in case of success
*/
-int nand_write_skip_bad(nand_info_t *nand, size_t offset, size_t *length,
+int nand_write_skip_bad(nand_info_t *nand, loff_t offset, size_t *length,
u_char *buffer)
{
int rval;
@@ -498,7 +498,7 @@ int nand_write_skip_bad(nand_info_t *nand, size_t offset, size_t *length,
if (len_incl_bad == *length) {
rval = nand_write (nand, offset, length, buffer);
if (rval != 0)
- printf ("NAND write to offset %zx failed %d\n",
+ printf ("NAND write to offset %llx failed %d\n",
offset, rval);
return rval;
@@ -509,7 +509,7 @@ int nand_write_skip_bad(nand_info_t *nand, size_t offset, size_t *length,
size_t write_size;
if (nand_block_isbad (nand, offset & ~(nand->erasesize - 1))) {
- printf ("Skip bad block 0x%08zx\n",
+ printf ("Skip bad block 0x%08llx\n",
offset & ~(nand->erasesize - 1));
offset += nand->erasesize - block_offset;
continue;
@@ -522,7 +522,7 @@ int nand_write_skip_bad(nand_info_t *nand, size_t offset, size_t *length,
rval = nand_write (nand, offset, &write_size, p_buffer);
if (rval != 0) {
- printf ("NAND write to offset %zx failed %d\n",
+ printf ("NAND write to offset %llx failed %d\n",
offset, rval);
*length -= left_to_write;
return rval;
@@ -550,7 +550,7 @@ int nand_write_skip_bad(nand_info_t *nand, size_t offset, size_t *length,
* @param buffer buffer to write to
* @return 0 in case of success
*/
-int nand_read_skip_bad(nand_info_t *nand, size_t offset, size_t *length,
+int nand_read_skip_bad(nand_info_t *nand, loff_t offset, size_t *length,
u_char *buffer)
{
int rval;
@@ -568,7 +568,7 @@ int nand_read_skip_bad(nand_info_t *nand, size_t offset, size_t *length,
if (len_incl_bad == *length) {
rval = nand_read (nand, offset, length, buffer);
if (rval != 0)
- printf ("NAND read from offset %zx failed %d\n",
+ printf ("NAND read from offset %llx failed %d\n",
offset, rval);
return rval;
@@ -579,7 +579,7 @@ int nand_read_skip_bad(nand_info_t *nand, size_t offset, size_t *length,
size_t read_length;
if (nand_block_isbad (nand, offset & ~(nand->erasesize - 1))) {
- printf ("Skipping bad block 0x%08zx\n",
+ printf ("Skipping bad block 0x%08llx\n",
offset & ~(nand->erasesize - 1));
offset += nand->erasesize - block_offset;
continue;
@@ -592,7 +592,7 @@ int nand_read_skip_bad(nand_info_t *nand, size_t offset, size_t *length,
rval = nand_read (nand, offset, &read_length, p_buffer);
if (rval != 0) {
- printf ("NAND read from offset %zx failed %d\n",
+ printf ("NAND read from offset %llx failed %d\n",
offset, rval);
*length -= left_to_read;
return rval;
diff --git a/include/asm-arm/arch-davinci/nand_defs.h b/include/asm-arm/arch-davinci/nand_defs.h
index 187d3c343..386540e41 100644
--- a/include/asm-arm/arch-davinci/nand_defs.h
+++ b/include/asm-arm/arch-davinci/nand_defs.h
@@ -28,134 +28,18 @@
#include <asm/arch/hardware.h>
+#ifdef CONFIG_SOC_DM646x
+#define MASK_CLE 0x80000
+#define MASK_ALE 0x40000
+#else
#define MASK_CLE 0x10
-#define MASK_ALE 0x0a
-
-#define NAND_CE0CLE ((volatile u_int8_t *)(CONFIG_SYS_NAND_BASE + 0x10))
-#define NAND_CE0ALE ((volatile u_int8_t *)(CONFIG_SYS_NAND_BASE + 0x0a))
-#define NAND_CE0DATA ((volatile u_int8_t *)CONFIG_SYS_NAND_BASE)
-
-typedef struct {
- u_int32_t NRCSR;
- u_int32_t AWCCR;
- u_int8_t RSVD0[8];
- u_int32_t AB1CR;
- u_int32_t AB2CR;
- u_int32_t AB3CR;
- u_int32_t AB4CR;
- u_int8_t RSVD1[32];
- u_int32_t NIRR;
- u_int32_t NIMR;
- u_int32_t NIMSR;
- u_int32_t NIMCR;
- u_int8_t RSVD2[16];
- u_int32_t NANDFCR;
- u_int32_t NANDFSR;
- u_int8_t RSVD3[8];
- u_int32_t NANDF1ECC;
- u_int32_t NANDF2ECC;
- u_int32_t NANDF3ECC;
- u_int32_t NANDF4ECC;
- u_int8_t RSVD4[4];
- u_int32_t IODFTECR;
- u_int32_t IODFTGCR;
- u_int8_t RSVD5[4];
- u_int32_t IODFTMRLR;
- u_int32_t IODFTMRMR;
- u_int32_t IODFTMRMSBR;
- u_int8_t RSVD6[20];
- u_int32_t MODRNR;
- u_int8_t RSVD7[76];
- u_int32_t CE0DATA;
- u_int32_t CE0ALE;
- u_int32_t CE0CLE;
- u_int8_t RSVD8[4];
- u_int32_t CE1DATA;
- u_int32_t CE1ALE;
- u_int32_t CE1CLE;
- u_int8_t RSVD9[4];
- u_int32_t CE2DATA;
- u_int32_t CE2ALE;
- u_int32_t CE2CLE;
- u_int8_t RSVD10[4];
- u_int32_t CE3DATA;
- u_int32_t CE3ALE;
- u_int32_t CE3CLE;
-} nand_registers;
-
-typedef volatile nand_registers *nandregs;
+#define MASK_ALE 0x08
+#endif
#define NAND_READ_START 0x00
#define NAND_READ_END 0x30
#define NAND_STATUS 0x70
-#ifdef CONFIG_SYS_NAND_HW_ECC
-#define NAND_Ecc_P1e (1 << 0)
-#define NAND_Ecc_P2e (1 << 1)
-#define NAND_Ecc_P4e (1 << 2)
-#define NAND_Ecc_P8e (1 << 3)
-#define NAND_Ecc_P16e (1 << 4)
-#define NAND_Ecc_P32e (1 << 5)
-#define NAND_Ecc_P64e (1 << 6)
-#define NAND_Ecc_P128e (1 << 7)
-#define NAND_Ecc_P256e (1 << 8)
-#define NAND_Ecc_P512e (1 << 9)
-#define NAND_Ecc_P1024e (1 << 10)
-#define NAND_Ecc_P2048e (1 << 11)
-
-#define NAND_Ecc_P1o (1 << 16)
-#define NAND_Ecc_P2o (1 << 17)
-#define NAND_Ecc_P4o (1 << 18)
-#define NAND_Ecc_P8o (1 << 19)
-#define NAND_Ecc_P16o (1 << 20)
-#define NAND_Ecc_P32o (1 << 21)
-#define NAND_Ecc_P64o (1 << 22)
-#define NAND_Ecc_P128o (1 << 23)
-#define NAND_Ecc_P256o (1 << 24)
-#define NAND_Ecc_P512o (1 << 25)
-#define NAND_Ecc_P1024o (1 << 26)
-#define NAND_Ecc_P2048o (1 << 27)
-
-#define TF(v) (v ? 1 : 0)
-
-#define P2048e(a) (TF(a & NAND_Ecc_P2048e) << 0)
-#define P2048o(a) (TF(a & NAND_Ecc_P2048o) << 1)
-#define P1e(a) (TF(a & NAND_Ecc_P1e) << 2)
-#define P1o(a) (TF(a & NAND_Ecc_P1o) << 3)
-#define P2e(a) (TF(a & NAND_Ecc_P2e) << 4)
-#define P2o(a) (TF(a & NAND_Ecc_P2o) << 5)
-#define P4e(a) (TF(a & NAND_Ecc_P4e) << 6)
-#define P4o(a) (TF(a & NAND_Ecc_P4o) << 7)
-
-#define P8e(a) (TF(a & NAND_Ecc_P8e) << 0)
-#define P8o(a) (TF(a & NAND_Ecc_P8o) << 1)
-#define P16e(a) (TF(a & NAND_Ecc_P16e) << 2)
-#define P16o(a) (TF(a & NAND_Ecc_P16o) << 3)
-#define P32e(a) (TF(a & NAND_Ecc_P32e) << 4)
-#define P32o(a) (TF(a & NAND_Ecc_P32o) << 5)
-#define P64e(a) (TF(a & NAND_Ecc_P64e) << 6)
-#define P64o(a) (TF(a & NAND_Ecc_P64o) << 7)
-
-#define P128e(a) (TF(a & NAND_Ecc_P128e) << 0)
-#define P128o(a) (TF(a & NAND_Ecc_P128o) << 1)
-#define P256e(a) (TF(a & NAND_Ecc_P256e) << 2)
-#define P256o(a) (TF(a & NAND_Ecc_P256o) << 3)
-#define P512e(a) (TF(a & NAND_Ecc_P512e) << 4)
-#define P512o(a) (TF(a & NAND_Ecc_P512o) << 5)
-#define P1024e(a) (TF(a & NAND_Ecc_P1024e) << 6)
-#define P1024o(a) (TF(a & NAND_Ecc_P1024o) << 7)
-
-#define P8e_s(a) (TF(a & NAND_Ecc_P8e) << 0)
-#define P8o_s(a) (TF(a & NAND_Ecc_P8o) << 1)
-#define P16e_s(a) (TF(a & NAND_Ecc_P16e) << 2)
-#define P16o_s(a) (TF(a & NAND_Ecc_P16o) << 3)
-#define P1e_s(a) (TF(a & NAND_Ecc_P1e) << 4)
-#define P1o_s(a) (TF(a & NAND_Ecc_P1o) << 5)
-#define P2e_s(a) (TF(a & NAND_Ecc_P2e) << 6)
-#define P2o_s(a) (TF(a & NAND_Ecc_P2o) << 7)
-
-#define P4e_s(a) (TF(a & NAND_Ecc_P4e) << 0)
-#define P4o_s(a) (TF(a & NAND_Ecc_P4o) << 1)
-#endif
+extern void davinci_nand_init(struct nand_chip *nand);
#endif
diff --git a/include/configs/bf537-stamp.h b/include/configs/bf537-stamp.h
index 0a86e83fb..98300db7b 100644
--- a/include/configs/bf537-stamp.h
+++ b/include/configs/bf537-stamp.h
@@ -151,36 +151,28 @@
/*
* NAND Settings
*/
-/* #define CONFIG_BF537_NAND */
-#ifdef CONFIG_BF537_NAND
-# define CONFIG_CMD_NAND
-#endif
-
-#define CONFIG_SYS_NAND_ADDR 0x20212000
-#define CONFIG_SYS_NAND_BASE CONFIG_SYS_NAND_ADDR
+/* #define CONFIG_NAND_PLAT */
+#define CONFIG_SYS_NAND_BASE 0x20212000
#define CONFIG_SYS_MAX_NAND_DEVICE 1
-#define SECTORSIZE 512
-#define ADDR_COLUMN 1
-#define ADDR_PAGE 2
-#define ADDR_COLUMN_PAGE 3
-#define NAND_ChipID_UNKNOWN 0x00
-#define NAND_MAX_FLOORS 1
-#define BFIN_NAND_READY PF3
-#define NAND_WAIT_READY(nand) \
+#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 { \
- int timeout = 0; \
- while (!(*pPORTFIO & PF3)) \
- if (timeout++ > 100000) \
- break; \
+ bfin_write8(addr, cmd); \
+ SSYNC(); \
} while (0)
-#define BFIN_NAND_CLE (1 << 2) /* A2 -> Command Enable */
-#define BFIN_NAND_ALE (1 << 1) /* A1 -> Address Enable */
-#define WRITE_NAND_COMMAND(d, adr) bfin_write8(adr | BFIN_NAND_CLE, d)
-#define WRITE_NAND_ADDRESS(d, adr) bfin_write8(adr | BFIN_NAND_ALE, d)
-#define WRITE_NAND(d, adr) bfin_write8(adr, d)
-#define READ_NAND(adr) bfin_read8(adr)
+#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)
/*
diff --git a/include/configs/bfin_adi_common.h b/include/configs/bfin_adi_common.h
index 4149a2947..1ca2e5142 100644
--- a/include/configs/bfin_adi_common.h
+++ b/include/configs/bfin_adi_common.h
@@ -38,6 +38,9 @@
# define CONFIG_CMD_USB_STORAGE
# define CONFIG_DOS_PARTITION
# endif
+# ifdef CONFIG_NAND_PLAT
+# define CONFIG_CMD_NAND
+# endif
# ifdef CONFIG_POST
# define CONFIG_CMD_DIAG
# endif
diff --git a/include/configs/smdk6400.h b/include/configs/smdk6400.h
index cac58cf32..018f576ef 100644
--- a/include/configs/smdk6400.h
+++ b/include/configs/smdk6400.h
@@ -209,6 +209,9 @@
/* total memory available to uboot */
#define CONFIG_SYS_UBOOT_SIZE (1024 * 1024)
+/* Put environment copies after the end of U-Boot owned RAM */
+#define CONFIG_NAND_ENV_DST (CONFIG_SYS_UBOOT_BASE + CONFIG_SYS_UBOOT_SIZE)
+
#ifdef CONFIG_ENABLE_MMU
#define CONFIG_SYS_MAPPED_RAM_BASE 0xc0000000
#define CONFIG_BOOTCOMMAND "nand read 0xc0018000 0x60000 0x1c0000;" \
diff --git a/include/nand.h b/include/nand.h
index 065a42c3e..23f3ca1db 100644
--- a/include/nand.h
+++ b/include/nand.h
@@ -38,22 +38,22 @@ typedef struct mtd_info nand_info_t;
extern int nand_curr_device;
extern nand_info_t nand_info[];
-static inline int nand_read(nand_info_t *info, off_t ofs, size_t *len, u_char *buf)
+static inline int nand_read(nand_info_t *info, loff_t ofs, size_t *len, u_char *buf)
{
return info->read(info, ofs, *len, (size_t *)len, buf);
}
-static inline int nand_write(nand_info_t *info, off_t ofs, size_t *len, u_char *buf)
+static inline int nand_write(nand_info_t *info, loff_t ofs, size_t *len, u_char *buf)
{
return info->write(info, ofs, *len, (size_t *)len, buf);
}
-static inline int nand_block_isbad(nand_info_t *info, off_t ofs)
+static inline int nand_block_isbad(nand_info_t *info, loff_t ofs)
{
return info->block_isbad(info, ofs);
}
-static inline int nand_erase(nand_info_t *info, off_t off, size_t size)
+static inline int nand_erase(nand_info_t *info, loff_t off, size_t size)
{
struct erase_info instr;
@@ -110,9 +110,9 @@ struct nand_erase_options {
typedef struct nand_erase_options nand_erase_options_t;
-int nand_read_skip_bad(nand_info_t *nand, size_t offset, size_t *length,
+int nand_read_skip_bad(nand_info_t *nand, loff_t offset, size_t *length,
u_char *buffer);
-int nand_write_skip_bad(nand_info_t *nand, size_t offset, size_t *length,
+int nand_write_skip_bad(nand_info_t *nand, loff_t offset, size_t *length,
u_char *buffer);
int nand_erase_opts(nand_info_t *meminfo, const nand_erase_options_t *opts);
@@ -122,7 +122,7 @@ int nand_erase_opts(nand_info_t *meminfo, const nand_erase_options_t *opts);
int nand_lock( nand_info_t *meminfo, int tight );
int nand_unlock( nand_info_t *meminfo, ulong start, ulong length );
-int nand_get_lock_status(nand_info_t *meminfo, ulong offset);
+int nand_get_lock_status(nand_info_t *meminfo, loff_t offset);
#ifdef CONFIG_SYS_NAND_SELECT_DEVICE
void board_nand_select_device(struct nand_chip *nand, int chip);
diff --git a/nand_spl/nand_boot.c b/nand_spl/nand_boot.c
index c7eadad1b..b9fd6f544 100644
--- a/nand_spl/nand_boot.c
+++ b/nand_spl/nand_boot.c
@@ -47,11 +47,13 @@ static int nand_command(struct mtd_info *mtd, int block, int page, int offs, u8
/* Set ALE and clear CLE to start address cycle */
/* Column address */
this->cmd_ctrl(mtd, offs, NAND_CTRL_ALE | NAND_CTRL_CHANGE);
- this->cmd_ctrl(mtd, page_addr & 0xff, 0); /* A[16:9] */
- this->cmd_ctrl(mtd, (page_addr >> 8) & 0xff, 0); /* A[24:17] */
+ this->cmd_ctrl(mtd, page_addr & 0xff, NAND_CTRL_ALE); /* A[16:9] */
+ this->cmd_ctrl(mtd, (page_addr >> 8) & 0xff,
+ NAND_CTRL_ALE); /* A[24:17] */
#ifdef CONFIG_SYS_NAND_4_ADDR_CYCLE
/* One more address cycle for devices > 32MiB */
- this->cmd_ctrl(mtd, (page_addr >> 16) & 0x0f, 0); /* A[28:25] */
+ this->cmd_ctrl(mtd, (page_addr >> 16) & 0x0f,
+ NAND_CTRL_ALE); /* A[28:25] */
#endif
/* Latch in address */
this->cmd_ctrl(mtd, NAND_CMD_NONE, NAND_NCE | NAND_CTRL_CHANGE);
@@ -94,13 +96,15 @@ static int nand_command(struct mtd_info *mtd, int block, int page, int offs, u8
/* Column address */
this->cmd_ctrl(mtd, offs & 0xff,
NAND_CTRL_ALE | NAND_CTRL_CHANGE); /* A[7:0] */
- this->cmd_ctrl(mtd, (offs >> 8) & 0xff, 0); /* A[11:9] */
+ this->cmd_ctrl(mtd, (offs >> 8) & 0xff, NAND_CTRL_ALE); /* A[11:9] */
/* Row address */
- this->cmd_ctrl(mtd, (page_addr & 0xff), 0); /* A[19:12] */
- this->cmd_ctrl(mtd, ((page_addr >> 8) & 0xff), 0); /* A[27:20] */
+ this->cmd_ctrl(mtd, (page_addr & 0xff), NAND_CTRL_ALE); /* A[19:12] */
+ this->cmd_ctrl(mtd, ((page_addr >> 8) & 0xff),
+ NAND_CTRL_ALE); /* A[27:20] */
#ifdef CONFIG_SYS_NAND_5_ADDR_CYCLE
/* One more address cycle for devices > 128MiB */
- this->cmd_ctrl(mtd, (page_addr >> 16) & 0x0f, 0); /* A[31:28] */
+ this->cmd_ctrl(mtd, (page_addr >> 16) & 0x0f,
+ NAND_CTRL_ALE); /* A[31:28] */
#endif
/* Latch in address */
this->cmd_ctrl(mtd, NAND_CMD_READSTART,
@@ -246,6 +250,16 @@ void nand_boot(void)
ret = nand_load(&nand_info, CONFIG_SYS_NAND_U_BOOT_OFFS, CONFIG_SYS_NAND_U_BOOT_SIZE,
(uchar *)CONFIG_SYS_NAND_U_BOOT_DST);
+#ifdef CONFIG_NAND_ENV_DST
+ nand_load(&nand_info, CONFIG_ENV_OFFSET, CONFIG_ENV_SIZE,
+ (uchar *)CONFIG_NAND_ENV_DST);
+
+#ifdef CONFIG_ENV_OFFSET_REDUND
+ nand_load(&nand_info, CONFIG_ENV_OFFSET_REDUND, CONFIG_ENV_SIZE,
+ (uchar *)CONFIG_NAND_ENV_DST + CONFIG_ENV_SIZE);
+#endif
+#endif
+
if (nand_chip.select_chip)
nand_chip.select_chip(&nand_info, -1);
generated by cgit v1.2.3-70-g09d2 (git 2.51.2) at 2025-11-04 02:57:56 +0000