diff --git a/arch/arm/cpu/armv7/am33xx/Makefile b/arch/arm/cpu/armv7/am33xx/Makefile
index 966fcab71b477c1055013ab86d5d9dd489ecf48f..5566310d9481f68dc1b6191e6440f8c793b351df 100644
--- a/arch/arm/cpu/armv7/am33xx/Makefile
+++ b/arch/arm/cpu/armv7/am33xx/Makefile
@@ -19,4 +19,3 @@ obj-y += ddr.o
obj-y += emif4.o
obj-y += board.o
obj-y += mux.o
-obj-$(CONFIG_NAND_OMAP_GPMC) += elm.o
diff --git a/arch/arm/cpu/armv7/am33xx/mem.c b/arch/arm/cpu/armv7/am33xx/mem.c
index b6eb46678fafe1cca053beb95d4fd8209e994cf7..56c9e7dbceb306fb22fec21454c3fff550f5252b 100644
--- a/arch/arm/cpu/armv7/am33xx/mem.c
+++ b/arch/arm/cpu/armv7/am33xx/mem.c
@@ -22,17 +22,6 @@
struct gpmc *gpmc_cfg;
-#if defined(CONFIG_CMD_NAND)
-static const u32 gpmc_m_nand[GPMC_MAX_REG] = {
- M_NAND_GPMC_CONFIG1,
- M_NAND_GPMC_CONFIG2,
- M_NAND_GPMC_CONFIG3,
- M_NAND_GPMC_CONFIG4,
- M_NAND_GPMC_CONFIG5,
- M_NAND_GPMC_CONFIG6, 0
-};
-#endif
-
void enable_gpmc_cs_config(const u32 *gpmc_config, struct gpmc_cs *cs, u32 base,
u32 size)
@@ -61,11 +50,34 @@ void gpmc_init(void)
{
/* putting a blanket check on GPMC based on ZeBu for now */
gpmc_cfg = (struct gpmc *)GPMC_BASE;
-
-#ifdef CONFIG_CMD_NAND
- const u32 *gpmc_config = NULL;
- u32 base = 0;
+#if defined(CONFIG_NOR)
+/* configure GPMC for NOR */
+ const u32 gpmc_regs[GPMC_MAX_REG] = { STNOR_GPMC_CONFIG1,
+ STNOR_GPMC_CONFIG2,
+ STNOR_GPMC_CONFIG3,
+ STNOR_GPMC_CONFIG4,
+ STNOR_GPMC_CONFIG5,
+ STNOR_GPMC_CONFIG6,
+ STNOR_GPMC_CONFIG7
+ };
+ u32 size = GPMC_SIZE_16M;
+ u32 base = CONFIG_SYS_FLASH_BASE;
+#elif defined(CONFIG_NAND)
+/* configure GPMC for NAND */
+ const u32 gpmc_regs[GPMC_MAX_REG] = { M_NAND_GPMC_CONFIG1,
+ M_NAND_GPMC_CONFIG2,
+ M_NAND_GPMC_CONFIG3,
+ M_NAND_GPMC_CONFIG4,
+ M_NAND_GPMC_CONFIG5,
+ M_NAND_GPMC_CONFIG6,
+ 0
+ };
+ u32 size = GPMC_SIZE_256M;
+ u32 base = CONFIG_SYS_NAND_BASE;
+#else
+ const u32 gpmc_regs[GPMC_MAX_REG] = { 0, 0, 0, 0, 0, 0, 0 };
u32 size = 0;
+ u32 base = 0;
#endif
/* global settings */
writel(0x00000008, &gpmc_cfg->sysconfig);
@@ -81,12 +93,6 @@ void gpmc_init(void)
*/
writel(0, &gpmc_cfg->cs[0].config7);
sdelay(1000);
-
-#ifdef CONFIG_CMD_NAND
- gpmc_config = gpmc_m_nand;
-
- base = PISMO1_NAND_BASE;
- size = PISMO1_NAND_SIZE;
- enable_gpmc_cs_config(gpmc_config, &gpmc_cfg->cs[0], base, size);
-#endif
+ /* enable chip-select specific configurations */
+ enable_gpmc_cs_config(gpmc_regs, &gpmc_cfg->cs[0], base, size);
}
diff --git a/arch/arm/include/asm/arch-am33xx/mem.h b/arch/arm/include/asm/arch-am33xx/mem.h
index 983ea28dc0ff689cfd8bb611221525a0a866818d..e7e8c58b0002662c5a74043a4b84508a0170f3a9 100644
--- a/arch/arm/include/asm/arch-am33xx/mem.h
+++ b/arch/arm/include/asm/arch-am33xx/mem.h
@@ -68,9 +68,4 @@
#define PISMO2_NAND_CS0 7
#define PISMO2_NAND_CS1 8
-/* make it readable for the gpmc_init */
-#define PISMO1_NOR_BASE FLASH_BASE
-#define PISMO1_NAND_BASE CONFIG_SYS_NAND_BASE
-#define PISMO1_NAND_SIZE GPMC_SIZE_256M
-
#endif /* endif _MEM_H_ */
diff --git a/arch/arm/include/asm/arch-am33xx/elm.h b/arch/arm/include/asm/omap_elm.h
similarity index 100%
rename from arch/arm/include/asm/arch-am33xx/elm.h
rename to arch/arm/include/asm/omap_elm.h
diff --git a/arch/arm/include/asm/omap_gpmc.h b/arch/arm/include/asm/omap_gpmc.h
index dd40cb6c162c08fe00df66d9c9c4d4934e72375c..d4143ecd80d1f9da585684a30aefcc1bfea4cbf9 100644
--- a/arch/arm/include/asm/omap_gpmc.h
+++ b/arch/arm/include/asm/omap_gpmc.h
@@ -68,4 +68,20 @@
}
#endif
+enum omap_ecc {
+ /* 1-bit ECC calculation by Software, Error detection by Software */
+ OMAP_ECC_HAM1_CODE_SW = 1, /* avoid un-initialized int can be 0x0 */
+ /* 1-bit ECC calculation by GPMC, Error detection by Software */
+ /* ECC layout compatible to legacy ROMCODE. */
+ OMAP_ECC_HAM1_CODE_HW,
+ /* 4-bit ECC calculation by GPMC, Error detection by Software */
+ OMAP_ECC_BCH4_CODE_HW_DETECTION_SW,
+ /* 4-bit ECC calculation by GPMC, Error detection by ELM */
+ OMAP_ECC_BCH4_CODE_HW,
+ /* 8-bit ECC calculation by GPMC, Error detection by Software */
+ OMAP_ECC_BCH8_CODE_HW_DETECTION_SW,
+ /* 8-bit ECC calculation by GPMC, Error detection by ELM */
+ OMAP_ECC_BCH8_CODE_HW,
+};
+
#endif /* __ASM_OMAP_GPMC_H */
diff --git a/arch/powerpc/cpu/mpc8xxx/fsl_ifc.c b/arch/powerpc/cpu/mpc8xxx/fsl_ifc.c
index 2d0fb433bcf9f910a33164d71e6f693118b160bf..64a52258a07eff6fd95303d8475a44dd6657fddd 100644
--- a/arch/powerpc/cpu/mpc8xxx/fsl_ifc.c
+++ b/arch/powerpc/cpu/mpc8xxx/fsl_ifc.c
@@ -33,6 +33,9 @@ void init_early_memctl_regs(void)
#ifndef CONFIG_A003399_NOR_WORKAROUND
#ifdef CONFIG_SYS_CSPR0_EXT
set_ifc_cspr_ext(IFC_CS0, CONFIG_SYS_CSPR0_EXT);
+#endif
+#ifdef CONFIG_SYS_CSOR0_EXT
+ set_ifc_csor_ext(IFC_CS0, CONFIG_SYS_CSOR0_EXT);
#endif
set_ifc_cspr(IFC_CS0, CONFIG_SYS_CSPR0);
set_ifc_amask(IFC_CS0, CONFIG_SYS_AMASK0);
@@ -43,6 +46,9 @@ void init_early_memctl_regs(void)
#ifdef CONFIG_SYS_CSPR1_EXT
set_ifc_cspr_ext(IFC_CS1, CONFIG_SYS_CSPR1_EXT);
#endif
+#ifdef CONFIG_SYS_CSOR1_EXT
+ set_ifc_csor_ext(IFC_CS1, CONFIG_SYS_CSOR1_EXT);
+#endif
#if defined(CONFIG_SYS_CSPR1) && defined(CONFIG_SYS_CSOR1)
set_ifc_ftim(IFC_CS1, IFC_FTIM0, CONFIG_SYS_CS1_FTIM0);
set_ifc_ftim(IFC_CS1, IFC_FTIM1, CONFIG_SYS_CS1_FTIM1);
@@ -57,6 +63,9 @@ void init_early_memctl_regs(void)
#ifdef CONFIG_SYS_CSPR2_EXT
set_ifc_cspr_ext(IFC_CS2, CONFIG_SYS_CSPR2_EXT);
#endif
+#ifdef CONFIG_SYS_CSOR2_EXT
+ set_ifc_csor_ext(IFC_CS2, CONFIG_SYS_CSOR2_EXT);
+#endif
#if defined(CONFIG_SYS_CSPR2) && defined(CONFIG_SYS_CSOR2)
set_ifc_ftim(IFC_CS2, IFC_FTIM0, CONFIG_SYS_CS2_FTIM0);
set_ifc_ftim(IFC_CS2, IFC_FTIM1, CONFIG_SYS_CS2_FTIM1);
@@ -71,6 +80,9 @@ void init_early_memctl_regs(void)
#ifdef CONFIG_SYS_CSPR3_EXT
set_ifc_cspr_ext(IFC_CS3, CONFIG_SYS_CSPR3_EXT);
#endif
+#ifdef CONFIG_SYS_CSOR3_EXT
+ set_ifc_csor_ext(IFC_CS3, CONFIG_SYS_CSOR3_EXT);
+#endif
#if defined(CONFIG_SYS_CSPR3) && defined(CONFIG_SYS_CSOR3)
set_ifc_ftim(IFC_CS3, IFC_FTIM0, CONFIG_SYS_CS3_FTIM0);
set_ifc_ftim(IFC_CS3, IFC_FTIM1, CONFIG_SYS_CS3_FTIM1);
@@ -85,6 +97,9 @@ void init_early_memctl_regs(void)
#ifdef CONFIG_SYS_CSPR4_EXT
set_ifc_cspr_ext(IFC_CS4, CONFIG_SYS_CSPR4_EXT);
#endif
+#ifdef CONFIG_SYS_CSOR4_EXT
+ set_ifc_csor_ext(IFC_CS4, CONFIG_SYS_CSOR4_EXT);
+#endif
#if defined(CONFIG_SYS_CSPR4) && defined(CONFIG_SYS_CSOR4)
set_ifc_ftim(IFC_CS4, IFC_FTIM0, CONFIG_SYS_CS4_FTIM0);
set_ifc_ftim(IFC_CS4, IFC_FTIM1, CONFIG_SYS_CS4_FTIM1);
@@ -99,6 +114,9 @@ void init_early_memctl_regs(void)
#ifdef CONFIG_SYS_CSPR5_EXT
set_ifc_cspr_ext(IFC_CS5, CONFIG_SYS_CSPR5_EXT);
#endif
+#ifdef CONFIG_SYS_CSOR5_EXT
+ set_ifc_csor_ext(IFC_CS5, CONFIG_SYS_CSOR5_EXT);
+#endif
#if defined(CONFIG_SYS_CSPR5) && defined(CONFIG_SYS_CSOR5)
set_ifc_ftim(IFC_CS5, IFC_FTIM0, CONFIG_SYS_CS5_FTIM0);
set_ifc_ftim(IFC_CS5, IFC_FTIM1, CONFIG_SYS_CS5_FTIM1);
@@ -113,6 +131,9 @@ void init_early_memctl_regs(void)
#ifdef CONFIG_SYS_CSPR6_EXT
set_ifc_cspr_ext(IFC_CS6, CONFIG_SYS_CSPR6_EXT);
#endif
+#ifdef CONFIG_SYS_CSOR6_EXT
+ set_ifc_csor_ext(IFC_CS6, CONFIG_SYS_CSOR6_EXT);
+#endif
#if defined(CONFIG_SYS_CSPR6) && defined(CONFIG_SYS_CSOR6)
set_ifc_ftim(IFC_CS6, IFC_FTIM0, CONFIG_SYS_CS6_FTIM0);
set_ifc_ftim(IFC_CS6, IFC_FTIM1, CONFIG_SYS_CS6_FTIM1);
@@ -127,6 +148,9 @@ void init_early_memctl_regs(void)
#ifdef CONFIG_SYS_CSPR7_EXT
set_ifc_cspr_ext(IFC_CS7, CONFIG_SYS_CSPR7_EXT);
#endif
+#ifdef CONFIG_SYS_CSOR7_EXT
+ set_ifc_csor_ext(IFC_CS7, CONFIG_SYS_CSOR7_EXT);
+#endif
#if defined(CONFIG_SYS_CSPR7) && defined(CONFIG_SYS_CSOR7)
set_ifc_ftim(IFC_CS7, IFC_FTIM0, CONFIG_SYS_CS7_FTIM0);
set_ifc_ftim(IFC_CS7, IFC_FTIM1, CONFIG_SYS_CS7_FTIM1);
diff --git a/arch/powerpc/include/asm/fsl_ifc.h b/arch/powerpc/include/asm/fsl_ifc.h
index a945e4b2d418819b8b767fb20916c7987a226033..182b1a6333d4fde7ac29bbb85a4db2228b2ebb1d 100644
--- a/arch/powerpc/include/asm/fsl_ifc.h
+++ b/arch/powerpc/include/asm/fsl_ifc.h
@@ -77,6 +77,7 @@
#define CSOR_NAND_PGS_512 0x00000000
#define CSOR_NAND_PGS_2K 0x00080000
#define CSOR_NAND_PGS_4K 0x00100000
+#define CSOR_NAND_PGS_8K 0x00180000
/* Spare region Size */
#define CSOR_NAND_SPRZ_MASK 0x0000E000
#define CSOR_NAND_SPRZ_SHIFT 13
@@ -86,6 +87,7 @@
#define CSOR_NAND_SPRZ_210 0x00006000
#define CSOR_NAND_SPRZ_218 0x00008000
#define CSOR_NAND_SPRZ_224 0x0000A000
+#define CSOR_NAND_SPRZ_CSOR_EXT 0x0000C000
/* Pages Per Block */
#define CSOR_NAND_PB_MASK 0x00000700
#define CSOR_NAND_PB_SHIFT 8
diff --git a/board/atmel/sama5d3xek/sama5d3xek.c b/board/atmel/sama5d3xek/sama5d3xek.c
index b0965ef211896f20aa12b4233fa72c7a2be35e1d..83fd63f5417a277ff608a19416cb5966fa12f678 100644
--- a/board/atmel/sama5d3xek/sama5d3xek.c
+++ b/board/atmel/sama5d3xek/sama5d3xek.c
@@ -131,7 +131,8 @@ static void sama5d3xek_lcd_hw_init(void)
void lcd_show_board_info(void)
{
- ulong dram_size, nand_size;
+ ulong dram_size;
+ uint64_t nand_size;
int i;
char temp[32];
@@ -150,7 +151,7 @@ void lcd_show_board_info(void)
for (i = 0; i < CONFIG_SYS_MAX_NAND_DEVICE; i++)
nand_size += nand_info[i].size;
#endif
- lcd_printf("%ld MB SDRAM, %ld MB NAND\n",
+ lcd_printf("%ld MB SDRAM, %lld MB NAND\n",
dram_size >> 20, nand_size >> 20);
}
#endif /* CONFIG_LCD_INFO */
diff --git a/board/ti/am335x/board.c b/board/ti/am335x/board.c
index 8edd21b119dcb16b490b6036b430504951bc7df3..db225ce1d9fdcaae7f3c19e036210ed683ae5e7f 100644
--- a/board/ti/am335x/board.c
+++ b/board/ti/am335x/board.c
@@ -481,26 +481,14 @@ void sdram_init(void)
*/
int board_init(void)
{
-#ifdef CONFIG_NOR
- const u32 gpmc_nor[GPMC_MAX_REG] = { STNOR_GPMC_CONFIG1,
- STNOR_GPMC_CONFIG2, STNOR_GPMC_CONFIG3, STNOR_GPMC_CONFIG4,
- STNOR_GPMC_CONFIG5, STNOR_GPMC_CONFIG6, STNOR_GPMC_CONFIG7 };
-#endif
-
#if defined(CONFIG_HW_WATCHDOG)
hw_watchdog_init();
#endif
gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
-
+#if defined(CONFIG_NOR) || defined(CONFIG_NAND)
gpmc_init();
-
-#ifdef CONFIG_NOR
- /* Reconfigure CS0 for NOR instead of NAND. */
- enable_gpmc_cs_config(gpmc_nor, &gpmc_cfg->cs[0],
- CONFIG_SYS_FLASH_BASE, GPMC_SIZE_16M);
#endif
-
return 0;
}
diff --git a/doc/README.nand b/doc/README.nand
index 913e9b50b804535acf9adc5176cdaae4132e51a1..b91f1985d183d0c3681567293cae7d666139a441 100644
--- a/doc/README.nand
+++ b/doc/README.nand
@@ -104,6 +104,16 @@ Configuration Options:
CONFIG_SYS_MAX_NAND_DEVICE
The maximum number of NAND devices you want to support.
+ CONFIG_SYS_NAND_MAX_ECCPOS
+ If specified, overrides the maximum number of ECC bytes
+ supported. Useful for reducing image size, especially with SPL.
+ This must be at least 48 if nand_base.c is used.
+
+ CONFIG_SYS_NAND_MAX_OOBFREE
+ If specified, overrides the maximum number of free OOB regions
+ supported. Useful for reducing image size, especially with SPL.
+ This must be at least 2 if nand_base.c is used.
+
CONFIG_SYS_NAND_MAX_CHIPS
The maximum number of NAND chips per device to be supported.
@@ -169,6 +179,59 @@ Configuration Options:
Please convert your driver even if you don't need the extra
flexibility, so that one day we can eliminate the old mechanism.
+
+ CONFIG_SYS_NAND_ONFI_DETECTION
+ Enables detection of ONFI compliant devices during probe.
+ And fetching device parameters flashed on device, by parsing
+ ONFI parameter page.
+
+ CONFIG_BCH
+ Enables software based BCH ECC algorithm present in lib/bch.c
+ This is used by SoC platforms which do not have built-in ELM
+ hardware engine required for BCH ECC correction.
+
+
+Platform specific options
+=========================
+ CONFIG_NAND_OMAP_GPMC
+ Enables omap_gpmc.c driver for OMAPx and AMxxxx platforms.
+ GPMC controller is used for parallel NAND flash devices, and can
+ do ECC calculation (not ECC error detection) for HAM1, BCH4, BCH8
+ and BCH16 ECC algorithms.
+
+ CONFIG_NAND_OMAP_ELM
+ Enables omap_elm.c driver for OMAPx and AMxxxx platforms.
+ ELM controller is used for ECC error detection (not ECC calculation)
+ of BCH4, BCH8 and BCH16 ECC algorithms.
+ Some legacy platforms like OMAP3xx do not have in-built ELM h/w engine,
+ thus such SoC platforms need to depend on software library for ECC error
+ detection. However ECC calculation on such plaforms would still be
+ done by GPMC controller.
+
+ CONFIG_NAND_OMAP_ECCSCHEME
+ On OMAP platforms, this CONFIG specifies NAND ECC scheme.
+ It can take following values:
+ OMAP_ECC_HAM1_CODE_SW
+ 1-bit Hamming code using software lib.
+ (for legacy devices only)
+ OMAP_ECC_HAM1_CODE_HW
+ 1-bit Hamming code using GPMC hardware.
+ (for legacy devices only)
+ OMAP_ECC_BCH4_CODE_HW_DETECTION_SW
+ 4-bit BCH code (unsupported)
+ OMAP_ECC_BCH4_CODE_HW
+ 4-bit BCH code (unsupported)
+ OMAP_ECC_BCH8_CODE_HW_DETECTION_SW
+ 8-bit BCH code with
+ - ecc calculation using GPMC hardware engine,
+ - error detection using software library.
+ - requires CONFIG_BCH to enable software BCH library
+ (For legacy device which do not have ELM h/w engine)
+ OMAP_ECC_BCH8_CODE_HW
+ 8-bit BCH code with
+ - ecc calculation using GPMC hardware engine,
+ - error detection using ELM hardware engine.
+
NOTE:
=====
diff --git a/doc/README.omap3 b/doc/README.omap3
index 1fbe79db37dc9e1ba6f69ff225ef8b690dd7f5e6..a62c3574054d5a9cb36d918d3c35766967e81d81 100644
--- a/doc/README.omap3
+++ b/doc/README.omap3
@@ -161,8 +161,7 @@ BCH8
To enable hardware assisted BCH8 (8-bit BCH [Bose, Chaudhuri, Hocquenghem]) on
OMAP3 devices we can use the BCH library in lib/bch.c. To do so add CONFIG_BCH
-to enable the library and CONFIG_NAND_OMAP_BCH8 to to enable hardware assisted
-syndrom generation to your board config.
+and set CONFIG_NAND_OMAP_ECCSCHEME=5 (refer README.nand) for selecting BCH8_SW.
The NAND OOB layout is the same as in linux kernel, if the linux kernel BCH8
implementation for OMAP3 works for you so the u-boot version should also.
When you require the SPL to read with BCH8 there are two more configs to
diff --git a/drivers/mtd/nand/Makefile b/drivers/mtd/nand/Makefile
index eb1eafaf064f8151e3490e1bd374d766686d1539..e145cd18421ad764f661c174ea1b70357f2b4d4e 100644
--- a/drivers/mtd/nand/Makefile
+++ b/drivers/mtd/nand/Makefile
@@ -58,6 +58,7 @@ obj-$(CONFIG_NAND_S3C2410) += s3c2410_nand.o
obj-$(CONFIG_NAND_SPEAR) += spr_nand.o
obj-$(CONFIG_TEGRA_NAND) += tegra_nand.o
obj-$(CONFIG_NAND_OMAP_GPMC) += omap_gpmc.o
+obj-$(CONFIG_NAND_OMAP_ELM) += omap_elm.o
obj-$(CONFIG_NAND_PLAT) += nand_plat.o
obj-$(CONFIG_NAND_DOCG4) += docg4.o
diff --git a/drivers/mtd/nand/atmel_nand.c b/drivers/mtd/nand/atmel_nand.c
index da83f06e4734d186eb3661f8938bcad039e871a2..16b7df0f721e86ea256269196daaab5b879b8fd0 100644
--- a/drivers/mtd/nand/atmel_nand.c
+++ b/drivers/mtd/nand/atmel_nand.c
@@ -412,7 +412,7 @@ static int pmecc_err_location(struct mtd_info *mtd)
}
if (!timeout) {
- printk(KERN_ERR "atmel_nand : Timeout to calculate PMECC error location\n");
+ dev_err(host->dev, "atmel_nand : Timeout to calculate PMECC error location\n");
return -1;
}
@@ -452,7 +452,7 @@ static void pmecc_correct_data(struct mtd_info *mtd, uint8_t *buf, uint8_t *ecc,
*(buf + byte_pos) ^= (1 << bit_pos);
pos = sector_num * host->pmecc_sector_size + byte_pos;
- printk(KERN_INFO "Bit flip in data area, byte_pos: %d, bit_pos: %d, 0x%02x -> 0x%02x\n",
+ dev_dbg(host->dev, "Bit flip in data area, byte_pos: %d, bit_pos: %d, 0x%02x -> 0x%02x\n",
pos, bit_pos, err_byte, *(buf + byte_pos));
} else {
/* Bit flip in OOB area */
@@ -462,7 +462,7 @@ static void pmecc_correct_data(struct mtd_info *mtd, uint8_t *buf, uint8_t *ecc,
ecc[tmp] ^= (1 << bit_pos);
pos = tmp + nand_chip->ecc.layout->eccpos[0];
- printk(KERN_INFO "Bit flip in OOB, oob_byte_pos: %d, bit_pos: %d, 0x%02x -> 0x%02x\n",
+ dev_dbg(host->dev, "Bit flip in OOB, oob_byte_pos: %d, bit_pos: %d, 0x%02x -> 0x%02x\n",
pos, bit_pos, err_byte, ecc[tmp]);
}
@@ -500,7 +500,7 @@ normal_check:
err_nbr = pmecc_err_location(mtd);
if (err_nbr == -1) {
- printk(KERN_ERR "PMECC: Too many errors\n");
+ dev_err(host->dev, "PMECC: Too many errors\n");
mtd->ecc_stats.failed++;
return -EIO;
} else {
@@ -544,7 +544,7 @@ static int atmel_nand_pmecc_read_page(struct mtd_info *mtd,
}
if (!timeout) {
- printk(KERN_ERR "atmel_nand : Timeout to read PMECC page\n");
+ dev_err(host->dev, "atmel_nand : Timeout to read PMECC page\n");
return -1;
}
@@ -584,7 +584,7 @@ static int atmel_nand_pmecc_write_page(struct mtd_info *mtd,
}
if (!timeout) {
- printk(KERN_ERR "atmel_nand : Timeout to read PMECC status, fail to write PMECC in oob\n");
+ dev_err(host->dev, "atmel_nand : Timeout to read PMECC status, fail to write PMECC in oob\n");
goto out;
}
@@ -827,6 +827,7 @@ static int atmel_pmecc_nand_init_params(struct nand_chip *nand,
switch (mtd->writesize) {
case 2048:
case 4096:
+ case 8192:
host->pmecc_degree = (sector_size == 512) ?
PMECC_GF_DIMENSION_13 : PMECC_GF_DIMENSION_14;
host->pmecc_cw_len = (1 << host->pmecc_degree) - 1;
@@ -840,8 +841,15 @@ static int atmel_pmecc_nand_init_params(struct nand_chip *nand,
nand->ecc.steps = 1;
nand->ecc.bytes = host->pmecc_bytes_per_sector *
host->pmecc_sector_number;
+
+ if (nand->ecc.bytes > MTD_MAX_ECCPOS_ENTRIES_LARGE) {
+ dev_err(host->dev, "too large eccpos entries. max support ecc.bytes is %d\n",
+ MTD_MAX_ECCPOS_ENTRIES_LARGE);
+ return -EINVAL;
+ }
+
if (nand->ecc.bytes > mtd->oobsize - 2) {
- printk(KERN_ERR "No room for ECC bytes\n");
+ dev_err(host->dev, "No room for ECC bytes\n");
return -EINVAL;
}
pmecc_config_ecc_layout(&atmel_pmecc_oobinfo,
@@ -852,7 +860,7 @@ static int atmel_pmecc_nand_init_params(struct nand_chip *nand,
case 512:
case 1024:
/* TODO */
- printk(KERN_ERR "Unsupported page size for PMECC, use Software ECC\n");
+ dev_err(host->dev, "Unsupported page size for PMECC, use Software ECC\n");
default:
/* page size not handled by HW ECC */
/* switching back to soft ECC */
@@ -1035,7 +1043,7 @@ static int atmel_nand_correct(struct mtd_info *mtd, u_char *dat,
/* it doesn't seems to be a freshly
* erased block.
* We can't correct so many errors */
- printk(KERN_WARNING "atmel_nand : multiple errors detected."
+ dev_warn(host->dev, "atmel_nand : multiple errors detected."
" Unable to correct.\n");
return -EIO;
}
@@ -1045,12 +1053,12 @@ static int atmel_nand_correct(struct mtd_info *mtd, u_char *dat,
/* there's nothing much to do here.
* the bit error is on the ECC itself.
*/
- printk(KERN_WARNING "atmel_nand : one bit error on ECC code."
+ dev_warn(host->dev, "atmel_nand : one bit error on ECC code."
" Nothing to correct\n");
return 0;
}
- printk(KERN_WARNING "atmel_nand : one bit error on data."
+ dev_warn(host->dev, "atmel_nand : one bit error on data."
" (word offset in the page :"
" 0x%x bit offset : 0x%x)\n",
ecc_word, ecc_bit);
@@ -1062,7 +1070,7 @@ static int atmel_nand_correct(struct mtd_info *mtd, u_char *dat,
/* 8 bits words */
dat[ecc_word] ^= (1 << ecc_bit);
}
- printk(KERN_WARNING "atmel_nand : error corrected\n");
+ dev_warn(host->dev, "atmel_nand : error corrected\n");
return 1;
}
@@ -1178,7 +1186,11 @@ int atmel_nand_chip_init(int devnum, ulong base_addr)
mtd->priv = nand;
nand->IO_ADDR_R = nand->IO_ADDR_W = (void __iomem *)base_addr;
+#ifdef CONFIG_NAND_ECC_BCH
+ nand->ecc.mode = NAND_ECC_SOFT_BCH;
+#else
nand->ecc.mode = NAND_ECC_SOFT;
+#endif
#ifdef CONFIG_SYS_NAND_DBW_16
nand->options = NAND_BUSWIDTH_16;
#endif
@@ -1186,7 +1198,7 @@ int atmel_nand_chip_init(int devnum, ulong base_addr)
#ifdef CONFIG_SYS_NAND_READY_PIN
nand->dev_ready = at91_nand_ready;
#endif
- nand->chip_delay = 20;
+ nand->chip_delay = 75;
ret = nand_scan_ident(mtd, CONFIG_SYS_NAND_MAX_CHIPS, NULL);
if (ret)
@@ -1214,6 +1226,6 @@ void board_nand_init(void)
int i;
for (i = 0; i < CONFIG_SYS_MAX_NAND_DEVICE; i++)
if (atmel_nand_chip_init(i, base_addr[i]))
- printk(KERN_ERR "atmel_nand: Fail to initialize #%d chip",
+ dev_err(host->dev, "atmel_nand: Fail to initialize #%d chip",
i);
}
diff --git a/drivers/mtd/nand/fsl_ifc_nand.c b/drivers/mtd/nand/fsl_ifc_nand.c
index 98a09c0641c5ffc59fbf27bb08dafcb210c089c1..49b63af85ddfecec30a9fd2a6958e7b761444bd3 100644
--- a/drivers/mtd/nand/fsl_ifc_nand.c
+++ b/drivers/mtd/nand/fsl_ifc_nand.c
@@ -125,6 +125,69 @@ static struct nand_ecclayout oob_4096_ecc8 = {
.oobfree = { {2, 6}, {136, 82} },
};
+/* 8192-byte page size with 4-bit ECC */
+static struct nand_ecclayout oob_8192_ecc4 = {
+ .eccbytes = 128,
+ .eccpos = {
+ 8, 9, 10, 11, 12, 13, 14, 15,
+ 16, 17, 18, 19, 20, 21, 22, 23,
+ 24, 25, 26, 27, 28, 29, 30, 31,
+ 32, 33, 34, 35, 36, 37, 38, 39,
+ 40, 41, 42, 43, 44, 45, 46, 47,
+ 48, 49, 50, 51, 52, 53, 54, 55,
+ 56, 57, 58, 59, 60, 61, 62, 63,
+ 64, 65, 66, 67, 68, 69, 70, 71,
+ 72, 73, 74, 75, 76, 77, 78, 79,
+ 80, 81, 82, 83, 84, 85, 86, 87,
+ 88, 89, 90, 91, 92, 93, 94, 95,
+ 96, 97, 98, 99, 100, 101, 102, 103,
+ 104, 105, 106, 107, 108, 109, 110, 111,
+ 112, 113, 114, 115, 116, 117, 118, 119,
+ 120, 121, 122, 123, 124, 125, 126, 127,
+ 128, 129, 130, 131, 132, 133, 134, 135,
+ },
+ .oobfree = { {2, 6}, {136, 208} },
+};
+
+/* 8192-byte page size with 8-bit ECC -- requires 218-byte OOB */
+static struct nand_ecclayout oob_8192_ecc8 = {
+ .eccbytes = 256,
+ .eccpos = {
+ 8, 9, 10, 11, 12, 13, 14, 15,
+ 16, 17, 18, 19, 20, 21, 22, 23,
+ 24, 25, 26, 27, 28, 29, 30, 31,
+ 32, 33, 34, 35, 36, 37, 38, 39,
+ 40, 41, 42, 43, 44, 45, 46, 47,
+ 48, 49, 50, 51, 52, 53, 54, 55,
+ 56, 57, 58, 59, 60, 61, 62, 63,
+ 64, 65, 66, 67, 68, 69, 70, 71,
+ 72, 73, 74, 75, 76, 77, 78, 79,
+ 80, 81, 82, 83, 84, 85, 86, 87,
+ 88, 89, 90, 91, 92, 93, 94, 95,
+ 96, 97, 98, 99, 100, 101, 102, 103,
+ 104, 105, 106, 107, 108, 109, 110, 111,
+ 112, 113, 114, 115, 116, 117, 118, 119,
+ 120, 121, 122, 123, 124, 125, 126, 127,
+ 128, 129, 130, 131, 132, 133, 134, 135,
+ 136, 137, 138, 139, 140, 141, 142, 143,
+ 144, 145, 146, 147, 148, 149, 150, 151,
+ 152, 153, 154, 155, 156, 157, 158, 159,
+ 160, 161, 162, 163, 164, 165, 166, 167,
+ 168, 169, 170, 171, 172, 173, 174, 175,
+ 176, 177, 178, 179, 180, 181, 182, 183,
+ 184, 185, 186, 187, 188, 189, 190, 191,
+ 192, 193, 194, 195, 196, 197, 198, 199,
+ 200, 201, 202, 203, 204, 205, 206, 207,
+ 208, 209, 210, 211, 212, 213, 214, 215,
+ 216, 217, 218, 219, 220, 221, 222, 223,
+ 224, 225, 226, 227, 228, 229, 230, 231,
+ 232, 233, 234, 235, 236, 237, 238, 239,
+ 240, 241, 242, 243, 244, 245, 246, 247,
+ 248, 249, 250, 251, 252, 253, 254, 255,
+ 256, 257, 258, 259, 260, 261, 262, 263,
+ },
+ .oobfree = { {2, 6}, {264, 80} },
+};
/*
* Generic flash bbt descriptors
@@ -428,20 +491,27 @@ static void fsl_ifc_cmdfunc(struct mtd_info *mtd, unsigned int command,
if (mtd->writesize > 512) {
nand_fcr0 =
(NAND_CMD_SEQIN << IFC_NAND_FCR0_CMD0_SHIFT) |
- (NAND_CMD_PAGEPROG << IFC_NAND_FCR0_CMD1_SHIFT);
+ (NAND_CMD_STATUS << IFC_NAND_FCR0_CMD1_SHIFT) |
+ (NAND_CMD_PAGEPROG << IFC_NAND_FCR0_CMD2_SHIFT);
out_be32(&ifc->ifc_nand.nand_fir0,
(IFC_FIR_OP_CW0 << IFC_NAND_FIR0_OP0_SHIFT) |
(IFC_FIR_OP_CA0 << IFC_NAND_FIR0_OP1_SHIFT) |
(IFC_FIR_OP_RA0 << IFC_NAND_FIR0_OP2_SHIFT) |
(IFC_FIR_OP_WBCD << IFC_NAND_FIR0_OP3_SHIFT) |
- (IFC_FIR_OP_CW1 << IFC_NAND_FIR0_OP4_SHIFT));
- out_be32(&ifc->ifc_nand.nand_fir1, 0);
+ (IFC_FIR_OP_CMD2 << IFC_NAND_FIR0_OP4_SHIFT));
+ out_be32(&ifc->ifc_nand.nand_fir1,
+ (IFC_FIR_OP_CW1 << IFC_NAND_FIR1_OP5_SHIFT) |
+ (IFC_FIR_OP_RDSTAT <<
+ IFC_NAND_FIR1_OP6_SHIFT) |
+ (IFC_FIR_OP_NOP << IFC_NAND_FIR1_OP7_SHIFT));
} else {
nand_fcr0 = ((NAND_CMD_PAGEPROG <<
IFC_NAND_FCR0_CMD1_SHIFT) |
(NAND_CMD_SEQIN <<
- IFC_NAND_FCR0_CMD2_SHIFT));
+ IFC_NAND_FCR0_CMD2_SHIFT) |
+ (NAND_CMD_STATUS <<
+ IFC_NAND_FCR0_CMD3_SHIFT));
out_be32(&ifc->ifc_nand.nand_fir0,
(IFC_FIR_OP_CW0 << IFC_NAND_FIR0_OP0_SHIFT) |
@@ -450,7 +520,11 @@ static void fsl_ifc_cmdfunc(struct mtd_info *mtd, unsigned int command,
(IFC_FIR_OP_RA0 << IFC_NAND_FIR0_OP3_SHIFT) |
(IFC_FIR_OP_WBCD << IFC_NAND_FIR0_OP4_SHIFT));
out_be32(&ifc->ifc_nand.nand_fir1,
- (IFC_FIR_OP_CW1 << IFC_NAND_FIR1_OP5_SHIFT));
+ (IFC_FIR_OP_CMD1 << IFC_NAND_FIR1_OP5_SHIFT) |
+ (IFC_FIR_OP_CW3 << IFC_NAND_FIR1_OP6_SHIFT) |
+ (IFC_FIR_OP_RDSTAT <<
+ IFC_NAND_FIR1_OP7_SHIFT) |
+ (IFC_FIR_OP_NOP << IFC_NAND_FIR1_OP8_SHIFT));
if (column >= mtd->writesize)
nand_fcr0 |=
@@ -902,6 +976,21 @@ static int fsl_ifc_chip_init(int devnum, u8 *addr)
priv->bufnum_mask = 1;
break;
+ case CSOR_NAND_PGS_8K:
+ if ((csor & CSOR_NAND_ECC_MODE_MASK) ==
+ CSOR_NAND_ECC_MODE_4) {
+ layout = &oob_8192_ecc4;
+ nand->ecc.strength = 4;
+ } else {
+ layout = &oob_8192_ecc8;
+ nand->ecc.strength = 8;
+ nand->ecc.bytes = 16;
+ }
+
+ priv->bufnum_mask = 0;
+ break;
+
+
default:
printf("ifc nand: bad csor %#x: bad page size\n", csor);
return -ENODEV;
diff --git a/drivers/mtd/nand/fsl_ifc_spl.c b/drivers/mtd/nand/fsl_ifc_spl.c
index d4622653fa0f28c939c44d894e8fd5b4829e54c0..9fa5ccbc562651a2e10a0010b8898815a82ba890 100644
--- a/drivers/mtd/nand/fsl_ifc_spl.c
+++ b/drivers/mtd/nand/fsl_ifc_spl.c
@@ -112,10 +112,13 @@ static void nand_load(unsigned int offs, int uboot_size, uchar *dst)
port_size = (cspr & CSPR_PORT_SIZE_16) ? 16 : 8;
- if (csor & CSOR_NAND_PGS_4K) {
+ if ((csor & CSOR_NAND_PGS_MASK) == CSOR_NAND_PGS_8K) {
+ page_size = 8192;
+ bufnum_mask = 0x0;
+ } else if ((csor & CSOR_NAND_PGS_MASK) == CSOR_NAND_PGS_4K) {
page_size = 4096;
bufnum_mask = 0x1;
- } else if (csor & CSOR_NAND_PGS_2K) {
+ } else if ((csor & CSOR_NAND_PGS_MASK) == CSOR_NAND_PGS_2K) {
page_size = 2048;
bufnum_mask = 0x3;
} else {
diff --git a/arch/arm/cpu/armv7/am33xx/elm.c b/drivers/mtd/nand/omap_elm.c
similarity index 97%
rename from arch/arm/cpu/armv7/am33xx/elm.c
rename to drivers/mtd/nand/omap_elm.c
index 8f1d6afdd399a4b326f35cf4e38d5d4e8873bb24..2aa7807f3e5e5bba40b84b183073ada9bb490845 100644
--- a/arch/arm/cpu/armv7/am33xx/elm.c
+++ b/drivers/mtd/nand/omap_elm.c
@@ -18,7 +18,7 @@
#include <asm/errno.h>
#include <asm/arch/cpu.h>
#include <asm/omap_gpmc.h>
-#include <asm/arch/elm.h>
+#include <asm/omap_elm.h>
#define ELM_DEFAULT_POLY (0)
@@ -127,7 +127,7 @@ int elm_check_error(u8 *syndrome, u32 nibbles, u32 *error_count,
for (i = 0; i < *error_count; i++) {
error_locations[i] =
- readl(&elm_cfg->error_location[poly].error_location_x[i]);
+ readl(&elm_cfg->error_location[poly].error_location_x[i]);
}
return 0;
@@ -175,7 +175,7 @@ void elm_reset(void)
{
/* initiate reset */
writel((readl(&elm_cfg->sysconfig) | ELM_SYSCONFIG_SOFTRESET),
- &elm_cfg->sysconfig);
+ &elm_cfg->sysconfig);
/* wait for reset complete and normal operation */
while ((readl(&elm_cfg->sysstatus) & ELM_SYSSTATUS_RESETDONE) !=
diff --git a/drivers/mtd/nand/omap_gpmc.c b/drivers/mtd/nand/omap_gpmc.c
index ec1787f22492d93322a4014c6acc3d3da9ba2d9f..5e7e6b337544f3f7543baf7e8c1bcee9242a00e4 100644
--- a/drivers/mtd/nand/omap_gpmc.c
+++ b/drivers/mtd/nand/omap_gpmc.c
@@ -15,15 +15,13 @@
#include <linux/bch.h>
#include <linux/compiler.h>
#include <nand.h>
-#ifdef CONFIG_AM33XX
-#include <asm/arch/elm.h>
-#endif
+#include <asm/omap_elm.h>
+
+#define BADBLOCK_MARKER_LENGTH 2
+#define SECTOR_BYTES 512
static uint8_t cs;
-static __maybe_unused struct nand_ecclayout hw_nand_oob =
- GPMC_NAND_HW_ECC_LAYOUT;
-static __maybe_unused struct nand_ecclayout hw_bch8_nand_oob =
- GPMC_NAND_HW_BCH8_ECC_LAYOUT;
+static __maybe_unused struct nand_ecclayout omap_ecclayout;
/*
* omap_nand_hwcontrol - Set the address pointers corretly for the
@@ -233,6 +231,7 @@ struct nand_bch_priv {
uint8_t type;
uint8_t nibbles;
struct bch_control *control;
+ enum omap_ecc ecc_scheme;
};
/* bch types */
@@ -274,17 +273,15 @@ static void omap_hwecc_init_bch(struct nand_chip *chip, int32_t mode)
{
uint32_t val;
uint32_t dev_width = (chip->options & NAND_BUSWIDTH_16) >> 1;
-#ifdef CONFIG_AM33XX
uint32_t unused_length = 0;
-#endif
uint32_t wr_mode = BCH_WRAPMODE_6;
struct nand_bch_priv *bch = chip->priv;
/* Clear the ecc result registers, select ecc reg as 1 */
writel(ECCCLEAR | ECCRESULTREG1, &gpmc_cfg->ecc_control);
-#ifdef CONFIG_AM33XX
- wr_mode = BCH_WRAPMODE_1;
+ if (bch->ecc_scheme == OMAP_ECC_BCH8_CODE_HW) {
+ wr_mode = BCH_WRAPMODE_1;
switch (bch->nibbles) {
case ECC_BCH4_NIBBLES:
@@ -320,7 +317,7 @@ static void omap_hwecc_init_bch(struct nand_chip *chip, int32_t mode)
val |= (unused_length << 22);
break;
}
-#else
+ } else {
/*
* This ecc_size_config setting is for BCH sw library.
*
@@ -333,7 +330,7 @@ static void omap_hwecc_init_bch(struct nand_chip *chip, int32_t mode)
* size1 = 32 (skip 32 nibbles = 16 bytes per sector in spare area)
*/
val = (32 << 22) | (0 << 12);
-#endif
+ }
/* ecc size configuration */
writel(val, &gpmc_cfg->ecc_size_config);
@@ -376,9 +373,9 @@ static void __maybe_unused omap_ecc_disable(struct mtd_info *mtd)
}
/*
- * BCH8 support (needs ELM and thus AM33xx-only)
+ * BCH support using ELM module
*/
-#ifdef CONFIG_AM33XX
+#ifdef CONFIG_NAND_OMAP_ELM
/*
* omap_read_bch8_result - Read BCH result for BCH8 level
*
@@ -631,20 +628,20 @@ static int omap_read_page_bch(struct mtd_info *mtd, struct nand_chip *chip,
}
return 0;
}
-#endif /* CONFIG_AM33XX */
+#endif /* CONFIG_NAND_OMAP_ELM */
/*
* OMAP3 BCH8 support (with BCH library)
*/
-#ifdef CONFIG_NAND_OMAP_BCH8
+#ifdef CONFIG_BCH
/*
- * omap_calculate_ecc_bch - Read BCH ECC result
+ * omap_calculate_ecc_bch_sw - Read BCH ECC result
*
* @mtd: MTD device structure
* @dat: The pointer to data on which ecc is computed (unused here)
* @ecc: The ECC output buffer
*/
-static int omap_calculate_ecc_bch(struct mtd_info *mtd, const uint8_t *dat,
+static int omap_calculate_ecc_bch_sw(struct mtd_info *mtd, const uint8_t *dat,
uint8_t *ecc)
{
int ret = 0;
@@ -689,13 +686,13 @@ static int omap_calculate_ecc_bch(struct mtd_info *mtd, const uint8_t *dat,
}
/**
- * omap_correct_data_bch - Decode received data and correct errors
+ * omap_correct_data_bch_sw - Decode received data and correct errors
* @mtd: MTD device structure
* @data: page data
* @read_ecc: ecc read from nand flash
* @calc_ecc: ecc read from HW ECC registers
*/
-static int omap_correct_data_bch(struct mtd_info *mtd, u_char *data,
+static int omap_correct_data_bch_sw(struct mtd_info *mtd, u_char *data,
u_char *read_ecc, u_char *calc_ecc)
{
int i, count;
@@ -752,7 +749,150 @@ static void __maybe_unused omap_free_bch(struct mtd_info *mtd)
chip_priv->control = NULL;
}
}
-#endif /* CONFIG_NAND_OMAP_BCH8 */
+#endif /* CONFIG_BCH */
+
+/**
+ * omap_select_ecc_scheme - configures driver for particular ecc-scheme
+ * @nand: NAND chip device structure
+ * @ecc_scheme: ecc scheme to configure
+ * @pagesize: number of main-area bytes per page of NAND device
+ * @oobsize: number of OOB/spare bytes per page of NAND device
+ */
+static int omap_select_ecc_scheme(struct nand_chip *nand,
+ enum omap_ecc ecc_scheme, unsigned int pagesize, unsigned int oobsize) {
+ struct nand_bch_priv *bch = nand->priv;
+ struct nand_ecclayout *ecclayout = nand->ecc.layout;
+ int eccsteps = pagesize / SECTOR_BYTES;
+ int i;
+
+ switch (ecc_scheme) {
+ case OMAP_ECC_HAM1_CODE_SW:
+ debug("nand: selected OMAP_ECC_HAM1_CODE_SW\n");
+ /* For this ecc-scheme, ecc.bytes, ecc.layout, ... are
+ * initialized in nand_scan_tail(), so just set ecc.mode */
+ bch_priv.control = NULL;
+ bch_priv.type = 0;
+ nand->ecc.mode = NAND_ECC_SOFT;
+ nand->ecc.layout = NULL;
+ nand->ecc.size = pagesize;
+ bch->ecc_scheme = OMAP_ECC_HAM1_CODE_SW;
+ break;
+
+ case OMAP_ECC_HAM1_CODE_HW:
+ debug("nand: selected OMAP_ECC_HAM1_CODE_HW\n");
+ /* check ecc-scheme requirements before updating ecc info */
+ if ((3 * eccsteps) + BADBLOCK_MARKER_LENGTH > oobsize) {
+ printf("nand: error: insufficient OOB: require=%d\n", (
+ (3 * eccsteps) + BADBLOCK_MARKER_LENGTH));
+ return -EINVAL;
+ }
+ bch_priv.control = NULL;
+ bch_priv.type = 0;
+ /* populate ecc specific fields */
+ nand->ecc.mode = NAND_ECC_HW;
+ nand->ecc.strength = 1;
+ nand->ecc.size = SECTOR_BYTES;
+ nand->ecc.bytes = 3;
+ nand->ecc.hwctl = omap_enable_hwecc;
+ nand->ecc.correct = omap_correct_data;
+ nand->ecc.calculate = omap_calculate_ecc;
+ /* define ecc-layout */
+ ecclayout->eccbytes = nand->ecc.bytes * eccsteps;
+ for (i = 0; i < ecclayout->eccbytes; i++)
+ ecclayout->eccpos[i] = i + BADBLOCK_MARKER_LENGTH;
+ ecclayout->oobfree[0].offset = i + BADBLOCK_MARKER_LENGTH;
+ ecclayout->oobfree[0].length = oobsize - ecclayout->eccbytes -
+ BADBLOCK_MARKER_LENGTH;
+ bch->ecc_scheme = OMAP_ECC_HAM1_CODE_HW;
+ break;
+
+ case OMAP_ECC_BCH8_CODE_HW_DETECTION_SW:
+#ifdef CONFIG_BCH
+ debug("nand: selected OMAP_ECC_BCH8_CODE_HW_DETECTION_SW\n");
+ /* check ecc-scheme requirements before updating ecc info */
+ if ((13 * eccsteps) + BADBLOCK_MARKER_LENGTH > oobsize) {
+ printf("nand: error: insufficient OOB: require=%d\n", (
+ (13 * eccsteps) + BADBLOCK_MARKER_LENGTH));
+ return -EINVAL;
+ }
+ /* check if BCH S/W library can be used for error detection */
+ bch_priv.control = init_bch(13, 8, 0x201b);
+ if (!bch_priv.control) {
+ printf("nand: error: could not init_bch()\n");
+ return -ENODEV;
+ }
+ bch_priv.type = ECC_BCH8;
+ /* populate ecc specific fields */
+ nand->ecc.mode = NAND_ECC_HW;
+ nand->ecc.strength = 8;
+ nand->ecc.size = SECTOR_BYTES;
+ nand->ecc.bytes = 13;
+ nand->ecc.hwctl = omap_enable_ecc_bch;
+ nand->ecc.correct = omap_correct_data_bch_sw;
+ nand->ecc.calculate = omap_calculate_ecc_bch_sw;
+ /* define ecc-layout */
+ ecclayout->eccbytes = nand->ecc.bytes * eccsteps;
+ ecclayout->eccpos[0] = BADBLOCK_MARKER_LENGTH;
+ for (i = 1; i < ecclayout->eccbytes; i++) {
+ if (i % nand->ecc.bytes)
+ ecclayout->eccpos[i] =
+ ecclayout->eccpos[i - 1] + 1;
+ else
+ ecclayout->eccpos[i] =
+ ecclayout->eccpos[i - 1] + 2;
+ }
+ ecclayout->oobfree[0].offset = i + BADBLOCK_MARKER_LENGTH;
+ ecclayout->oobfree[0].length = oobsize - ecclayout->eccbytes -
+ BADBLOCK_MARKER_LENGTH;
+ omap_hwecc_init_bch(nand, NAND_ECC_READ);
+ bch->ecc_scheme = OMAP_ECC_BCH8_CODE_HW_DETECTION_SW;
+ break;
+#else
+ printf("nand: error: CONFIG_BCH required for ECC\n");
+ return -EINVAL;
+#endif
+
+ case OMAP_ECC_BCH8_CODE_HW:
+#ifdef CONFIG_NAND_OMAP_ELM
+ debug("nand: selected OMAP_ECC_BCH8_CODE_HW\n");
+ /* check ecc-scheme requirements before updating ecc info */
+ if ((14 * eccsteps) + BADBLOCK_MARKER_LENGTH > oobsize) {
+ printf("nand: error: insufficient OOB: require=%d\n", (
+ (14 * eccsteps) + BADBLOCK_MARKER_LENGTH));
+ return -EINVAL;
+ }
+ /* intialize ELM for ECC error detection */
+ elm_init();
+ bch_priv.type = ECC_BCH8;
+ /* populate ecc specific fields */
+ nand->ecc.mode = NAND_ECC_HW;
+ nand->ecc.strength = 8;
+ nand->ecc.size = SECTOR_BYTES;
+ nand->ecc.bytes = 14;
+ nand->ecc.hwctl = omap_enable_ecc_bch;
+ nand->ecc.correct = omap_correct_data_bch;
+ nand->ecc.calculate = omap_calculate_ecc_bch;
+ nand->ecc.read_page = omap_read_page_bch;
+ /* define ecc-layout */
+ ecclayout->eccbytes = nand->ecc.bytes * eccsteps;
+ for (i = 0; i < ecclayout->eccbytes; i++)
+ ecclayout->eccpos[i] = i + BADBLOCK_MARKER_LENGTH;
+ ecclayout->oobfree[0].offset = i + BADBLOCK_MARKER_LENGTH;
+ ecclayout->oobfree[0].length = oobsize - ecclayout->eccbytes -
+ BADBLOCK_MARKER_LENGTH;
+ bch->ecc_scheme = OMAP_ECC_BCH8_CODE_HW;
+ break;
+#else
+ printf("nand: error: CONFIG_NAND_OMAP_ELM required for ECC\n");
+ return -EINVAL;
+#endif
+
+ default:
+ debug("nand: error: ecc scheme not enabled or supported\n");
+ return -EINVAL;
+ }
+ return 0;
+}
#ifndef CONFIG_SPL_BUILD
/*
@@ -763,77 +903,45 @@ static void __maybe_unused omap_free_bch(struct mtd_info *mtd)
* @eccstrength - the number of bits that could be corrected
* (1 - hamming, 4 - BCH4, 8 - BCH8, 16 - BCH16)
*/
-void omap_nand_switch_ecc(uint32_t hardware, uint32_t eccstrength)
+int __maybe_unused omap_nand_switch_ecc(uint32_t hardware, uint32_t eccstrength)
{
struct nand_chip *nand;
struct mtd_info *mtd;
+ int err = 0;
if (nand_curr_device < 0 ||
nand_curr_device >= CONFIG_SYS_MAX_NAND_DEVICE ||
!nand_info[nand_curr_device].name) {
- printf("Error: Can't switch ecc, no devices available\n");
- return;
+ printf("nand: error: no NAND devices found\n");
+ return -ENODEV;
}
mtd = &nand_info[nand_curr_device];
nand = mtd->priv;
-
nand->options |= NAND_OWN_BUFFERS;
-
- /* Reset ecc interface */
- nand->ecc.mode = NAND_ECC_NONE;
- nand->ecc.read_page = NULL;
- nand->ecc.write_page = NULL;
- nand->ecc.read_oob = NULL;
- nand->ecc.write_oob = NULL;
- nand->ecc.hwctl = NULL;
- nand->ecc.correct = NULL;
- nand->ecc.calculate = NULL;
- nand->ecc.strength = eccstrength;
-
/* Setup the ecc configurations again */
if (hardware) {
if (eccstrength == 1) {
- nand->ecc.mode = NAND_ECC_HW;
- nand->ecc.layout = &hw_nand_oob;
- nand->ecc.size = 512;
- nand->ecc.bytes = 3;
- nand->ecc.hwctl = omap_enable_hwecc;
- nand->ecc.correct = omap_correct_data;
- nand->ecc.calculate = omap_calculate_ecc;
- omap_hwecc_init(nand);
- printf("1-bit hamming HW ECC selected\n");
- }
-#if defined(CONFIG_AM33XX) || defined(CONFIG_NAND_OMAP_BCH8)
- else if (eccstrength == 8) {
- nand->ecc.mode = NAND_ECC_HW;
- nand->ecc.layout = &hw_bch8_nand_oob;
- nand->ecc.size = 512;
-#ifdef CONFIG_AM33XX
- nand->ecc.bytes = 14;
- nand->ecc.read_page = omap_read_page_bch;
-#else
- nand->ecc.bytes = 13;
-#endif
- nand->ecc.hwctl = omap_enable_ecc_bch;
- nand->ecc.correct = omap_correct_data_bch;
- nand->ecc.calculate = omap_calculate_ecc_bch;
- omap_hwecc_init_bch(nand, NAND_ECC_READ);
- printf("8-bit BCH HW ECC selected\n");
+ err = omap_select_ecc_scheme(nand,
+ OMAP_ECC_HAM1_CODE_HW,
+ mtd->writesize, mtd->oobsize);
+ } else if (eccstrength == 8) {
+ err = omap_select_ecc_scheme(nand,
+ OMAP_ECC_BCH8_CODE_HW,
+ mtd->writesize, mtd->oobsize);
+ } else {
+ printf("nand: error: unsupported ECC scheme\n");
+ return -EINVAL;
}
-#endif
} else {
- nand->ecc.mode = NAND_ECC_SOFT;
- /* Use mtd default settings */
- nand->ecc.layout = NULL;
- nand->ecc.size = 0;
- printf("SW ECC selected\n");
+ err = omap_select_ecc_scheme(nand, OMAP_ECC_HAM1_CODE_SW,
+ mtd->writesize, mtd->oobsize);
}
/* Update NAND handling after ECC mode switch */
- nand_scan_tail(mtd);
-
- nand->options &= ~NAND_OWN_BUFFERS;
+ if (!err)
+ err = nand_scan_tail(mtd);
+ return err;
}
#endif /* CONFIG_SPL_BUILD */
@@ -856,7 +964,7 @@ int board_nand_init(struct nand_chip *nand)
{
int32_t gpmc_config = 0;
cs = 0;
-
+ int err = 0;
/*
* xloader/Uboot's gpmc configuration would have configured GPMC for
* nand type of memory. The following logic scans and latches on to the
@@ -873,7 +981,7 @@ int board_nand_init(struct nand_chip *nand)
cs++;
}
if (cs >= GPMC_MAX_CS) {
- printf("NAND: Unable to find NAND settings in "
+ printf("nand: error: Unable to find NAND settings in "
"GPMC Configuration - quitting\n");
return -ENODEV;
}
@@ -885,64 +993,27 @@ int board_nand_init(struct nand_chip *nand)
nand->IO_ADDR_R = (void __iomem *)&gpmc_cfg->cs[cs].nand_dat;
nand->IO_ADDR_W = (void __iomem *)&gpmc_cfg->cs[cs].nand_cmd;
-
- nand->cmd_ctrl = omap_nand_hwcontrol;
- nand->options = NAND_NO_PADDING | NAND_CACHEPRG;
+ nand->priv = &bch_priv;
+ nand->cmd_ctrl = omap_nand_hwcontrol;
+ nand->options |= NAND_NO_PADDING | NAND_CACHEPRG;
/* If we are 16 bit dev, our gpmc config tells us that */
if ((readl(&gpmc_cfg->cs[cs].config1) & 0x3000) == 0x1000)
nand->options |= NAND_BUSWIDTH_16;
nand->chip_delay = 100;
+ nand->ecc.layout = &omap_ecclayout;
-#if defined(CONFIG_AM33XX) || defined(CONFIG_NAND_OMAP_BCH8)
-#ifdef CONFIG_AM33XX
- /* AM33xx uses the ELM */
- /* required in case of BCH */
- elm_init();
-#else
- /*
- * Whereas other OMAP based SoC do not have the ELM, they use the BCH
- * SW library.
- */
- bch_priv.control = init_bch(13, 8, 0x201b /* hw polynominal */);
- if (!bch_priv.control) {
- puts("Could not init_bch()\n");
- return -ENODEV;
- }
-#endif
- /* BCH info that will be correct for SPL or overridden otherwise. */
- nand->priv = &bch_priv;
-#endif
-
- /* Default ECC mode */
-#if defined(CONFIG_AM33XX) || defined(CONFIG_NAND_OMAP_BCH8)
- nand->ecc.mode = NAND_ECC_HW;
- nand->ecc.layout = &hw_bch8_nand_oob;
- nand->ecc.size = CONFIG_SYS_NAND_ECCSIZE;
- nand->ecc.bytes = CONFIG_SYS_NAND_ECCBYTES;
- nand->ecc.strength = 8;
- nand->ecc.hwctl = omap_enable_ecc_bch;
- nand->ecc.correct = omap_correct_data_bch;
- nand->ecc.calculate = omap_calculate_ecc_bch;
-#ifdef CONFIG_AM33XX
- nand->ecc.read_page = omap_read_page_bch;
-#endif
- omap_hwecc_init_bch(nand, NAND_ECC_READ);
-#else
-#if !defined(CONFIG_SPL_BUILD) || defined(CONFIG_SPL_NAND_SOFTECC)
- nand->ecc.mode = NAND_ECC_SOFT;
+ /* select ECC scheme */
+#if defined(CONFIG_NAND_OMAP_ECCSCHEME)
+ err = omap_select_ecc_scheme(nand, CONFIG_NAND_OMAP_ECCSCHEME,
+ CONFIG_SYS_NAND_PAGE_SIZE, CONFIG_SYS_NAND_OOBSIZE);
#else
- nand->ecc.mode = NAND_ECC_HW;
- nand->ecc.layout = &hw_nand_oob;
- nand->ecc.size = CONFIG_SYS_NAND_ECCSIZE;
- nand->ecc.bytes = CONFIG_SYS_NAND_ECCBYTES;
- nand->ecc.hwctl = omap_enable_hwecc;
- nand->ecc.correct = omap_correct_data;
- nand->ecc.calculate = omap_calculate_ecc;
- nand->ecc.strength = 1;
- omap_hwecc_init(nand);
-#endif
+ /* pagesize and oobsize are not required to configure sw ecc-scheme */
+ err = omap_select_ecc_scheme(nand, OMAP_ECC_HAM1_CODE_SW,
+ 0, 0);
#endif
+ if (err)
+ return err;
#ifdef CONFIG_SPL_BUILD
if (nand->options & NAND_BUSWIDTH_16)
diff --git a/drivers/mtd/onenand/onenand_base.c b/drivers/mtd/onenand/onenand_base.c
index 067f8ef184b59356f00f1e955a21ce863accd642..979e4af7c5fc73df42165fdb4b86034fb6cdc8c2 100644
--- a/drivers/mtd/onenand/onenand_base.c
+++ b/drivers/mtd/onenand/onenand_base.c
@@ -761,7 +761,8 @@ static int onenand_transfer_auto_oob(struct mtd_info *mtd, uint8_t *buf,
uint8_t *oob_buf = this->oob_buf;
free = this->ecclayout->oobfree;
- for (i = 0; i < MTD_MAX_OOBFREE_ENTRIES && free->length; i++, free++) {
+ for (i = 0; i < MTD_MAX_OOBFREE_ENTRIES_LARGE && free->length;
+ i++, free++) {
if (readcol >= lastgap)
readcol += free->offset - lastgap;
if (readend >= lastgap)
@@ -770,7 +771,8 @@ static int onenand_transfer_auto_oob(struct mtd_info *mtd, uint8_t *buf,
}
this->read_bufferram(mtd, 0, ONENAND_SPARERAM, oob_buf, 0, mtd->oobsize);
free = this->ecclayout->oobfree;
- for (i = 0; i < MTD_MAX_OOBFREE_ENTRIES && free->length; i++, free++) {
+ for (i = 0; i < MTD_MAX_OOBFREE_ENTRIES_LARGE && free->length;
+ i++, free++) {
int free_end = free->offset + free->length;
if (free->offset < readend && free_end > readcol) {
int st = max_t(int,free->offset,readcol);
@@ -1356,7 +1358,8 @@ static int onenand_fill_auto_oob(struct mtd_info *mtd, u_char *oob_buf,
unsigned int i;
free = this->ecclayout->oobfree;
- for (i = 0; i < MTD_MAX_OOBFREE_ENTRIES && free->length; i++, free++) {
+ for (i = 0; i < MTD_MAX_OOBFREE_ENTRIES_LARGE && free->length;
+ i++, free++) {
if (writecol >= lastgap)
writecol += free->offset - lastgap;
if (writeend >= lastgap)
@@ -1364,7 +1367,8 @@ static int onenand_fill_auto_oob(struct mtd_info *mtd, u_char *oob_buf,
lastgap = free->offset + free->length;
}
free = this->ecclayout->oobfree;
- for (i = 0; i < MTD_MAX_OOBFREE_ENTRIES && free->length; i++, free++) {
+ for (i = 0; i < MTD_MAX_OOBFREE_ENTRIES_LARGE && free->length;
+ i++, free++) {
int free_end = free->offset + free->length;
if (free->offset < writeend && free_end > writecol) {
int st = max_t(int,free->offset,writecol);
@@ -2750,7 +2754,8 @@ int onenand_scan(struct mtd_info *mtd, int maxchips)
* the out of band area
*/
this->ecclayout->oobavail = 0;
- for (i = 0; i < MTD_MAX_OOBFREE_ENTRIES &&
+
+ for (i = 0; i < MTD_MAX_OOBFREE_ENTRIES_LARGE &&
this->ecclayout->oobfree[i].length; i++)
this->ecclayout->oobavail +=
this->ecclayout->oobfree[i].length;
diff --git a/include/configs/ASH405.h b/include/configs/ASH405.h
index 9460be3b5987accd1e412c5f82dc8d0998186f57..2f5340723d99a1b628d03f81b8902c375dae4082 100644
--- a/include/configs/ASH405.h
+++ b/include/configs/ASH405.h
@@ -143,6 +143,8 @@
#define CONFIG_SYS_NAND_SKIP_BAD_DOT_I 1 /* ".i" read skips bad blocks */
#define CONFIG_SYS_NAND_QUIET 1
+#define CONFIG_SYS_NAND_MAX_OOBFREE 2
+#define CONFIG_SYS_NAND_MAX_ECCPOS 56
/*-----------------------------------------------------------------------
* PCI stuff
diff --git a/include/configs/C29XPCIE.h b/include/configs/C29XPCIE.h
index 08156c531ddddede9280fa5fe39cbc5874031f9c..bb157453729f3b216b431653954e28b6fa9e555c 100644
--- a/include/configs/C29XPCIE.h
+++ b/include/configs/C29XPCIE.h
@@ -191,13 +191,14 @@
| CSPR_MSEL_NAND \
| CSPR_V)
#define CONFIG_SYS_NAND_AMASK IFC_AMASK(64*1024)
+#define CONFIG_SYS_NAND_OOBSIZE 0x00000280 /* 640b */
#define CONFIG_SYS_NAND_CSOR (CSOR_NAND_ECC_ENC_EN /* ECC on encode */ \
| CSOR_NAND_ECC_DEC_EN /* ECC on decode */ \
| CSOR_NAND_ECC_MODE_4 /* 4-bit ECC */ \
- | CSOR_NAND_RAL_2 /* RAL = 2 Bytes */ \
- | CSOR_NAND_PGS_2K /* Page Size = 2k */ \
- | CSOR_NAND_SPRZ_64 /* Spare size = 64 */ \
- | CSOR_NAND_PB(64)) /* 64 Pages Per Block */
+ | CSOR_NAND_RAL_3 /* RAL = 3 Bytes */ \
+ | CSOR_NAND_PGS_8K /* Page Size = 8K */ \
+ | CSOR_NAND_SPRZ_CSOR_EXT /*oob in csor_ext*/\
+ | CSOR_NAND_PB(128)) /*128 Pages Per Block*/
#define CONFIG_SYS_NAND_FTIM0 (FTIM0_NAND_TCCST(0x01) | \
FTIM0_NAND_TWP(0x0c) | \
FTIM0_NAND_TWCHT(0x08) | \
@@ -224,6 +225,7 @@
#define CONFIG_SYS_CSPR1 CONFIG_SYS_NAND_CSPR
#define CONFIG_SYS_AMASK1 CONFIG_SYS_NAND_AMASK
#define CONFIG_SYS_CSOR1 CONFIG_SYS_NAND_CSOR
+#define CONFIG_SYS_CSOR1_EXT CONFIG_SYS_NAND_OOBSIZE
#define CONFIG_SYS_CS1_FTIM0 CONFIG_SYS_NAND_FTIM0
#define CONFIG_SYS_CS1_FTIM1 CONFIG_SYS_NAND_FTIM1
#define CONFIG_SYS_CS1_FTIM2 CONFIG_SYS_NAND_FTIM2
diff --git a/include/configs/MPC8572DS.h b/include/configs/MPC8572DS.h
index c7511449eab7f08930e63dbf95f118b12a144d02..9ad94021e44a6fe418870e89f663b8ea84a6b158 100644
--- a/include/configs/MPC8572DS.h
+++ b/include/configs/MPC8572DS.h
@@ -322,6 +322,8 @@
#define CONFIG_CMD_NAND 1
#define CONFIG_NAND_FSL_ELBC 1
#define CONFIG_SYS_NAND_BLOCK_SIZE (128 * 1024)
+#define CONFIG_SYS_NAND_MAX_OOBFREE 5
+#define CONFIG_SYS_NAND_MAX_ECCPOS 56
/* NAND boot: 4K NAND loader config */
#define CONFIG_SYS_NAND_SPL_SIZE 0x1000
diff --git a/include/configs/T4240QDS.h b/include/configs/T4240QDS.h
index 3777ccb835d70fd8f83d620896ea927af2d58cd6..c96df54d99469dddee82478259915769a57e220e 100644
--- a/include/configs/T4240QDS.h
+++ b/include/configs/T4240QDS.h
@@ -229,6 +229,8 @@ unsigned long get_board_ddr_clk(void);
#define CONFIG_CMD_NAND
#define CONFIG_SYS_NAND_BLOCK_SIZE (128 * 1024)
+#define CONFIG_SYS_NAND_MAX_OOBFREE 2
+#define CONFIG_SYS_NAND_MAX_ECCPOS 256
#if defined(CONFIG_NAND)
#define CONFIG_SYS_CSPR0_EXT CONFIG_SYS_NAND_CSPR_EXT
diff --git a/include/configs/alpr.h b/include/configs/alpr.h
index 2bf1986e3a7e445ec0f3b7c098bf42409fc59d3b..61fdebac3f6c672e9618c9292a119f80b6d61b3c 100644
--- a/include/configs/alpr.h
+++ b/include/configs/alpr.h
@@ -324,6 +324,8 @@
#define CONFIG_SYS_NAND_BASE_LIST { CONFIG_SYS_NAND_BASE + 0, CONFIG_SYS_NAND_BASE + 2, \
CONFIG_SYS_NAND_BASE + 4, CONFIG_SYS_NAND_BASE + 6 }
#define CONFIG_SYS_NAND_QUIET_TEST 1 /* don't warn upon unknown NAND flash */
+#define CONFIG_SYS_NAND_MAX_OOBFREE 2
+#define CONFIG_SYS_NAND_MAX_ECCPOS 56
/*-----------------------------------------------------------------------
* External Bus Controller (EBC) Setup
diff --git a/include/configs/am335x_evm.h b/include/configs/am335x_evm.h
index f35ed6fba0c102bafeb2d7b2937dd8cfeb7f4bc4..d75df927976ac5cc03ef16e6a2a631901739247e 100644
--- a/include/configs/am335x_evm.h
+++ b/include/configs/am335x_evm.h
@@ -220,6 +220,8 @@
#define CONFIG_SPL_LDSCRIPT "$(CPUDIR)/am33xx/u-boot-spl.lds"
#ifdef CONFIG_NAND
+#define CONFIG_NAND_OMAP_GPMC
+#define CONFIG_NAND_OMAP_ELM
#define CONFIG_SYS_NAND_5_ADDR_CYCLE
#define CONFIG_SYS_NAND_PAGE_COUNT (CONFIG_SYS_NAND_BLOCK_SIZE / \
CONFIG_SYS_NAND_PAGE_SIZE)
@@ -237,7 +239,8 @@
#define CONFIG_SYS_NAND_ECCSIZE 512
#define CONFIG_SYS_NAND_ECCBYTES 14
-
+#define CONFIG_SYS_NAND_ONFI_DETECTION
+#define CONFIG_NAND_OMAP_ECCSCHEME OMAP_ECC_BCH8_CODE_HW
#define CONFIG_SYS_NAND_U_BOOT_START CONFIG_SYS_TEXT_BASE
#define CONFIG_SYS_NAND_U_BOOT_OFFS 0x80000
#endif
diff --git a/include/configs/am335x_igep0033.h b/include/configs/am335x_igep0033.h
index 2c69d4e30c53c5ea2ff112d7f1e121a395722bf2..115d1b37c9e9439b17d949c7e1a4d6220a284401 100644
--- a/include/configs/am335x_igep0033.h
+++ b/include/configs/am335x_igep0033.h
@@ -187,6 +187,7 @@
/* NAND support */
#define CONFIG_NAND
#define CONFIG_NAND_OMAP_GPMC
+#define CONFIG_NAND_OMAP_ELM
#define GPMC_NAND_ECC_LP_x16_LAYOUT 1
#define CONFIG_SYS_NAND_BASE (0x08000000) /* phys address CS0 */
#define CONFIG_SYS_MAX_NAND_DEVICE 1
@@ -263,6 +264,7 @@
#define CONFIG_SYS_NAND_ECCSIZE 512
#define CONFIG_SYS_NAND_ECCBYTES 14
+#define CONFIG_NAND_OMAP_ECCSCHEME OMAP_ECC_BCH8_CODE_HW
#define CONFIG_SYS_NAND_U_BOOT_START CONFIG_SYS_TEXT_BASE
diff --git a/include/configs/am3517_crane.h b/include/configs/am3517_crane.h
index 6fd3fb9045cc3d0c0b985ebcf2c9d60c8b023679..468fb43ea8e4b88106c9472b2f7738becd076146 100644
--- a/include/configs/am3517_crane.h
+++ b/include/configs/am3517_crane.h
@@ -340,6 +340,7 @@
10, 11, 12, 13}
#define CONFIG_SYS_NAND_ECCSIZE 512
#define CONFIG_SYS_NAND_ECCBYTES 3
+#define CONFIG_NAND_OMAP_ECCSCHEME OMAP_ECC_HAM1_CODE_HW
#define CONFIG_SYS_NAND_U_BOOT_START CONFIG_SYS_TEXT_BASE
#define CONFIG_SYS_NAND_U_BOOT_OFFS 0x80000
diff --git a/include/configs/am3517_evm.h b/include/configs/am3517_evm.h
index 7e9c55edf1d4a655ea05c91edc19e60714583c6b..a3473b51bd475a2dd62ddccbe9507dc76b57fd9f 100644
--- a/include/configs/am3517_evm.h
+++ b/include/configs/am3517_evm.h
@@ -334,6 +334,7 @@
10, 11, 12, 13}
#define CONFIG_SYS_NAND_ECCSIZE 512
#define CONFIG_SYS_NAND_ECCBYTES 3
+#define CONFIG_NAND_OMAP_ECCSCHEME OMAP_ECC_HAM1_CODE_HW
#define CONFIG_SYS_NAND_U_BOOT_START CONFIG_SYS_TEXT_BASE
#define CONFIG_SYS_NAND_U_BOOT_OFFS 0x80000
diff --git a/include/configs/devkit8000.h b/include/configs/devkit8000.h
index 474a5687a95df1b8b3b5c73dc1d6177fda0913d4..4f43ba988227d0b067b482118473374e52197a35 100644
--- a/include/configs/devkit8000.h
+++ b/include/configs/devkit8000.h
@@ -327,6 +327,7 @@
#define CONFIG_SYS_NAND_ECCSIZE 512
#define CONFIG_SYS_NAND_ECCBYTES 3
+#define CONFIG_NAND_OMAP_ECCSCHEME OMAP_ECC_HAM1_CODE_HW
#define CONFIG_SYS_NAND_U_BOOT_START CONFIG_SYS_TEXT_BASE
diff --git a/include/configs/mcx.h b/include/configs/mcx.h
index a2f7cf711d0b223b7d4eeee6d62734216e3e11c4..dcd29ce7cbd29fc83d39c888814fded51074accc 100644
--- a/include/configs/mcx.h
+++ b/include/configs/mcx.h
@@ -353,7 +353,6 @@
#define CONFIG_SPL_FRAMEWORK
#define CONFIG_SPL_BOARD_INIT
#define CONFIG_SPL_NAND_SIMPLE
-#define CONFIG_SPL_NAND_SOFTECC
#define CONFIG_SPL_LIBCOMMON_SUPPORT
#define CONFIG_SPL_LIBDISK_SUPPORT
@@ -395,6 +394,7 @@
56, 57, 58, 59, 60, 61, 62, 63}
#define CONFIG_SYS_NAND_ECCSIZE 256
#define CONFIG_SYS_NAND_ECCBYTES 3
+#define CONFIG_NAND_OMAP_ECCSCHEME OMAP_ECC_HAM1_CODE_SW
#define CONFIG_SYS_NAND_U_BOOT_START CONFIG_SYS_TEXT_BASE
diff --git a/include/configs/omap3_beagle.h b/include/configs/omap3_beagle.h
index bba39d428654fc94d71d7f6bb7559b742792f77a..9eab1903ff8aec2e9ccc11e2b530c84f02c50817 100644
--- a/include/configs/omap3_beagle.h
+++ b/include/configs/omap3_beagle.h
@@ -431,6 +431,7 @@
10, 11, 12, 13}
#define CONFIG_SYS_NAND_ECCSIZE 512
#define CONFIG_SYS_NAND_ECCBYTES 3
+#define CONFIG_NAND_OMAP_ECCSCHEME OMAP_ECC_HAM1_CODE_HW
#define CONFIG_SYS_NAND_U_BOOT_START CONFIG_SYS_TEXT_BASE
#define CONFIG_SYS_NAND_U_BOOT_OFFS 0x80000
diff --git a/include/configs/omap3_evm.h b/include/configs/omap3_evm.h
index 3ace8bb6e5c8c6164155888406f530e7b8a40379..b7638fb8a68395e257935002bbdc19d98045926a 100644
--- a/include/configs/omap3_evm.h
+++ b/include/configs/omap3_evm.h
@@ -107,6 +107,7 @@
10, 11, 12, 13}
#define CONFIG_SYS_NAND_ECCSIZE 512
#define CONFIG_SYS_NAND_ECCBYTES 3
+#define CONFIG_NAND_OMAP_ECCSCHEME OMAP_ECC_HAM1_CODE_HW
#define CONFIG_SYS_NAND_U_BOOT_START CONFIG_SYS_TEXT_BASE
#define CONFIG_SYS_NAND_U_BOOT_OFFS 0x80000
diff --git a/include/configs/omap3_evm_quick_nand.h b/include/configs/omap3_evm_quick_nand.h
index 9ecd70d55b05aed97aa04c064fadb4c2467f358b..4427e88b7e4b32b135968a98799ad8ef7a888172 100644
--- a/include/configs/omap3_evm_quick_nand.h
+++ b/include/configs/omap3_evm_quick_nand.h
@@ -86,6 +86,7 @@
10, 11, 12, 13}
#define CONFIG_SYS_NAND_ECCSIZE 512
#define CONFIG_SYS_NAND_ECCBYTES 3
+#define CONFIG_NAND_OMAP_ECCSCHEME OMAP_ECC_HAM1_CODE_HW
#define CONFIG_SYS_NAND_U_BOOT_START CONFIG_SYS_TEXT_BASE
#define CONFIG_SYS_NAND_U_BOOT_OFFS 0x80000
diff --git a/include/configs/omap3_igep00x0.h b/include/configs/omap3_igep00x0.h
index 75d7d70d291981f66edd60bb87bf504826e680e5..71062a601fa884c75ab8c87203cb0482dbebea3e 100644
--- a/include/configs/omap3_igep00x0.h
+++ b/include/configs/omap3_igep00x0.h
@@ -362,6 +362,7 @@
10, 11, 12, 13}
#define CONFIG_SYS_NAND_ECCSIZE 512
#define CONFIG_SYS_NAND_ECCBYTES 3
+#define CONFIG_NAND_OMAP_ECCSCHEME OMAP_ECC_HAM1_CODE_HW
#define CONFIG_SYS_NAND_U_BOOT_START CONFIG_SYS_TEXT_BASE
#define CONFIG_SYS_NAND_U_BOOT_OFFS 0x80000
#endif
diff --git a/include/configs/omap3_overo.h b/include/configs/omap3_overo.h
index 84b4aeee2abb32e6eaa301eec1f4e63d8780df58..e0f026269fc497ffb814e89d47c88d3c940d23e2 100644
--- a/include/configs/omap3_overo.h
+++ b/include/configs/omap3_overo.h
@@ -324,6 +324,7 @@
10, 11, 12, 13}
#define CONFIG_SYS_NAND_ECCSIZE 512
#define CONFIG_SYS_NAND_ECCBYTES 3
+#define CONFIG_NAND_OMAP_ECCSCHEME OMAP_ECC_HAM1_CODE_HW
#define CONFIG_SYS_NAND_U_BOOT_START CONFIG_SYS_TEXT_BASE
#define CONFIG_SYS_NAND_U_BOOT_OFFS 0x80000
diff --git a/include/configs/siemens-am33x-common.h b/include/configs/siemens-am33x-common.h
index 745e3bea58e403c52add644506d75c61f57f5948..f37653fea3f0ee89647762e9c33ea9bb538abab2 100644
--- a/include/configs/siemens-am33x-common.h
+++ b/include/configs/siemens-am33x-common.h
@@ -195,6 +195,7 @@
#define CONFIG_SYS_NAND_ECCSIZE 512
#define CONFIG_SYS_NAND_ECCBYTES 14
+#define CONFIG_NAND_OMAP_ECCSCHEME OMAP_ECC_BCH8_CODE_HW
#define CONFIG_SYS_NAND_ECCSTEPS 4
#define CONFIG_SYS_NAND_ECCTOTAL (CONFIG_SYS_NAND_ECCBYTES * \
@@ -430,6 +431,7 @@
"\0"
#define CONFIG_NAND_OMAP_GPMC
+#define CONFIG_NAND_OMAP_ELM
#define GPMC_NAND_ECC_LP_x16_LAYOUT 1
#define CONFIG_SYS_NAND_BASE (0x08000000) /* physical address */
/* to access nand at */
diff --git a/include/configs/tam3517-common.h b/include/configs/tam3517-common.h
index 6112c1b7a698bdf25d8649919e9aa81c2ec130a1..439fc47eb85171183cbb10ef3f76751fd3f5ae54 100644
--- a/include/configs/tam3517-common.h
+++ b/include/configs/tam3517-common.h
@@ -224,7 +224,6 @@
#define CONFIG_SPL_BOARD_INIT
#define CONFIG_SPL_CONSOLE
#define CONFIG_SPL_NAND_SIMPLE
-#define CONFIG_SPL_NAND_SOFTECC
#define CONFIG_SPL_NAND_WORKSPACE 0x8f07f000 /* below BSS */
#define CONFIG_SPL_LIBCOMMON_SUPPORT
@@ -261,6 +260,7 @@
56, 57, 58, 59, 60, 61, 62, 63}
#define CONFIG_SYS_NAND_ECCSIZE 256
#define CONFIG_SYS_NAND_ECCBYTES 3
+#define CONFIG_NAND_OMAP_ECCSCHEME OMAP_ECC_HAM1_CODE_SW
#define CONFIG_SYS_NAND_U_BOOT_START CONFIG_SYS_TEXT_BASE
diff --git a/include/configs/tricorder.h b/include/configs/tricorder.h
index afd870762b713db75f89bb8849b6f73c7a89598d..cc4001fcd13a1cee45585f3d9b35846aef7263d5 100644
--- a/include/configs/tricorder.h
+++ b/include/configs/tricorder.h
@@ -138,8 +138,9 @@
#define CONFIG_SYS_MAX_NAND_DEVICE 1 /* Max number of NAND */
/* devices */
-#define CONFIG_NAND_OMAP_BCH8
#define CONFIG_BCH
+#define CONFIG_SYS_NAND_MAX_OOBFREE 2
+#define CONFIG_SYS_NAND_MAX_ECCPOS 56
/* commands to include */
#include <config_cmd_default.h>
@@ -374,6 +375,7 @@
#define CONFIG_SYS_NAND_ECCSIZE 512
#define CONFIG_SYS_NAND_ECCBYTES 13
+#define CONFIG_NAND_OMAP_ECCSCHEME OMAP_ECC_BCH8_CODE_HW_DETECTION_SW
#define CONFIG_SYS_NAND_U_BOOT_START CONFIG_SYS_TEXT_BASE
diff --git a/include/linux/mtd/mtd.h b/include/linux/mtd/mtd.h
index 6f44abdc16102d345e97845f17bc624e5c37eb44..a65b6815515f2e087baa4ad41b860e7b9ee38286 100644
--- a/include/linux/mtd/mtd.h
+++ b/include/linux/mtd/mtd.h
@@ -96,6 +96,29 @@ struct mtd_oob_ops {
uint8_t *oobbuf;
};
+#ifdef CONFIG_SYS_NAND_MAX_OOBFREE
+#define MTD_MAX_OOBFREE_ENTRIES_LARGE CONFIG_SYS_NAND_MAX_OOBFREE
+#else
+#define MTD_MAX_OOBFREE_ENTRIES_LARGE 32
+#endif
+
+#ifdef CONFIG_SYS_NAND_MAX_ECCPOS
+#define MTD_MAX_ECCPOS_ENTRIES_LARGE CONFIG_SYS_NAND_MAX_ECCPOS
+#else
+#define MTD_MAX_ECCPOS_ENTRIES_LARGE 640
+#endif
+
+/*
+ * ECC layout control structure. Exported to userspace for
+ * diagnosis and to allow creation of raw images
+ */
+struct nand_ecclayout {
+ uint32_t eccbytes;
+ uint32_t eccpos[MTD_MAX_ECCPOS_ENTRIES_LARGE];
+ uint32_t oobavail;
+ struct nand_oobfree oobfree[MTD_MAX_OOBFREE_ENTRIES_LARGE];
+};
+
struct mtd_info {
u_char type;
u_int32_t flags;
diff --git a/include/mtd/mtd-abi.h b/include/mtd/mtd-abi.h
index d51c1abd186328d9f862aba4febeabcc8fdf4eb1..ac3c29876048de8547e2b0fd514fe54085bcb2d3 100644
--- a/include/mtd/mtd-abi.h
+++ b/include/mtd/mtd-abi.h
@@ -155,18 +155,6 @@ struct nand_oobfree {
uint32_t length;
};
-#define MTD_MAX_OOBFREE_ENTRIES 8
-/*
- * ECC layout control structure. Exported to userspace for
- * diagnosis and to allow creation of raw images
- */
-struct nand_ecclayout {
- uint32_t eccbytes;
- uint32_t eccpos[128];
- uint32_t oobavail;
- struct nand_oobfree oobfree[MTD_MAX_OOBFREE_ENTRIES];
-};
-
/**
* struct mtd_ecc_stats - error correction stats
*