summaryrefslogtreecommitdiff
path: root/drivers/mtd
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/mtd')
-rw-r--r--drivers/mtd/nand/Makefile3
-rw-r--r--drivers/mtd/nand/nand_util.c2
-rw-r--r--drivers/mtd/nand/omap_gpmc.c108
-rw-r--r--drivers/mtd/onenand/onenand_base.c8
-rw-r--r--drivers/mtd/spi/sf_ops.c6
-rw-r--r--drivers/mtd/spi/sf_probe.c3
-rw-r--r--drivers/mtd/ubi/Makefile3
7 files changed, 77 insertions, 56 deletions
diff --git a/drivers/mtd/nand/Makefile b/drivers/mtd/nand/Makefile
index e145cd184..02b149cac 100644
--- a/drivers/mtd/nand/Makefile
+++ b/drivers/mtd/nand/Makefile
@@ -5,8 +5,6 @@
# SPDX-License-Identifier: GPL-2.0+
#
-ifdef CONFIG_CMD_NAND
-
ifdef CONFIG_SPL_BUILD
ifdef CONFIG_SPL_NAND_DRIVERS
@@ -69,4 +67,3 @@ obj-$(CONFIG_NAND_FSL_IFC) += fsl_ifc_spl.o
obj-$(CONFIG_NAND_MXC) += mxc_nand_spl.o
endif # drivers
-endif # nand
diff --git a/drivers/mtd/nand/nand_util.c b/drivers/mtd/nand/nand_util.c
index eeaa7e8a4..b29282603 100644
--- a/drivers/mtd/nand/nand_util.c
+++ b/drivers/mtd/nand/nand_util.c
@@ -315,7 +315,7 @@ int nand_unlock(struct mtd_info *mtd, loff_t start, size_t length,
int page;
struct nand_chip *chip = mtd->priv;
- debug("nand_unlock%s: start: %08llx, length: %d!\n",
+ debug("nand_unlock%s: start: %08llx, length: %zd!\n",
allexcept ? " (allexcept)" : "", start, length);
/* select the NAND device */
diff --git a/drivers/mtd/nand/omap_gpmc.c b/drivers/mtd/nand/omap_gpmc.c
index 5e7e6b337..790d5385e 100644
--- a/drivers/mtd/nand/omap_gpmc.c
+++ b/drivers/mtd/nand/omap_gpmc.c
@@ -283,53 +283,55 @@ static void omap_hwecc_init_bch(struct nand_chip *chip, int32_t mode)
if (bch->ecc_scheme == OMAP_ECC_BCH8_CODE_HW) {
wr_mode = BCH_WRAPMODE_1;
- switch (bch->nibbles) {
- case ECC_BCH4_NIBBLES:
- unused_length = 3;
- break;
- case ECC_BCH8_NIBBLES:
- unused_length = 2;
- break;
- case ECC_BCH16_NIBBLES:
- unused_length = 0;
- break;
- }
-
- /*
- * This is ecc_size_config for ELM mode.
- * Here we are using different settings for read and write access and
- * also depending on BCH strength.
- */
- switch (mode) {
- case NAND_ECC_WRITE:
- /* write access only setup eccsize1 config */
- val = ((unused_length + bch->nibbles) << 22);
- break;
+ switch (bch->nibbles) {
+ case ECC_BCH4_NIBBLES:
+ unused_length = 3;
+ break;
+ case ECC_BCH8_NIBBLES:
+ unused_length = 2;
+ break;
+ case ECC_BCH16_NIBBLES:
+ unused_length = 0;
+ break;
+ }
- case NAND_ECC_READ:
- default:
/*
- * by default eccsize0 selected for ecc1resultsize
- * eccsize0 config.
+ * This is ecc_size_config for ELM mode. Here we are using
+ * different settings for read and write access and also
+ * depending on BCH strength.
*/
- val = (bch->nibbles << 12);
- /* eccsize1 config */
- val |= (unused_length << 22);
- break;
- }
+ switch (mode) {
+ case NAND_ECC_WRITE:
+ /* write access only setup eccsize1 config */
+ val = ((unused_length + bch->nibbles) << 22);
+ break;
+
+ case NAND_ECC_READ:
+ default:
+ /*
+ * by default eccsize0 selected for ecc1resultsize
+ * eccsize0 config.
+ */
+ val = (bch->nibbles << 12);
+ /* eccsize1 config */
+ val |= (unused_length << 22);
+ break;
+ }
} else {
- /*
- * This ecc_size_config setting is for BCH sw library.
- *
- * Note: we only support BCH8 currently with BCH sw library!
- * Should be really easy to adobt to BCH4, however some omap3 have
- * flaws with BCH4.
- *
- * Here we are using wrapping mode 6 both for reading and writing, with:
- * size0 = 0 (no additional protected byte in spare area)
- * size1 = 32 (skip 32 nibbles = 16 bytes per sector in spare area)
- */
- val = (32 << 22) | (0 << 12);
+ /*
+ * This ecc_size_config setting is for BCH sw library.
+ *
+ * Note: we only support BCH8 currently with BCH sw library!
+ * Should be really easy to adobt to BCH4, however some omap3
+ * have flaws with BCH4.
+ *
+ * Here we are using wrapping mode 6 both for reading and
+ * writing, with:
+ * size0 = 0 (no additional protected byte in spare area)
+ * size1 = 32 (skip 32 nibbles = 16 bytes per sector in
+ * spare area)
+ */
+ val = (32 << 22) | (0 << 12);
}
/* ecc size configuration */
writel(val, &gpmc_cfg->ecc_size_config);
@@ -761,7 +763,7 @@ static void __maybe_unused omap_free_bch(struct mtd_info *mtd)
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;
+ struct nand_ecclayout *ecclayout = &omap_ecclayout;
int eccsteps = pagesize / SECTOR_BYTES;
int i;
@@ -774,7 +776,7 @@ static int omap_select_ecc_scheme(struct nand_chip *nand,
bch_priv.type = 0;
nand->ecc.mode = NAND_ECC_SOFT;
nand->ecc.layout = NULL;
- nand->ecc.size = pagesize;
+ nand->ecc.size = 0;
bch->ecc_scheme = OMAP_ECC_HAM1_CODE_SW;
break;
@@ -789,6 +791,7 @@ static int omap_select_ecc_scheme(struct nand_chip *nand,
bch_priv.control = NULL;
bch_priv.type = 0;
/* populate ecc specific fields */
+ memset(&nand->ecc, 0, sizeof(struct nand_ecc_ctrl));
nand->ecc.mode = NAND_ECC_HW;
nand->ecc.strength = 1;
nand->ecc.size = SECTOR_BYTES;
@@ -798,8 +801,12 @@ static int omap_select_ecc_scheme(struct nand_chip *nand,
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;
+ for (i = 0; i < ecclayout->eccbytes; i++) {
+ if (nand->options & NAND_BUSWIDTH_16)
+ ecclayout->eccpos[i] = i + 2;
+ else
+ ecclayout->eccpos[i] = i + 1;
+ }
ecclayout->oobfree[0].offset = i + BADBLOCK_MARKER_LENGTH;
ecclayout->oobfree[0].length = oobsize - ecclayout->eccbytes -
BADBLOCK_MARKER_LENGTH;
@@ -823,6 +830,7 @@ static int omap_select_ecc_scheme(struct nand_chip *nand,
}
bch_priv.type = ECC_BCH8;
/* populate ecc specific fields */
+ memset(&nand->ecc, 0, sizeof(struct nand_ecc_ctrl));
nand->ecc.mode = NAND_ECC_HW;
nand->ecc.strength = 8;
nand->ecc.size = SECTOR_BYTES;
@@ -865,6 +873,7 @@ static int omap_select_ecc_scheme(struct nand_chip *nand,
elm_init();
bch_priv.type = ECC_BCH8;
/* populate ecc specific fields */
+ memset(&nand->ecc, 0, sizeof(struct nand_ecc_ctrl));
nand->ecc.mode = NAND_ECC_HW;
nand->ecc.strength = 8;
nand->ecc.size = SECTOR_BYTES;
@@ -891,6 +900,11 @@ static int omap_select_ecc_scheme(struct nand_chip *nand,
debug("nand: error: ecc scheme not enabled or supported\n");
return -EINVAL;
}
+
+ /* nand_scan_tail() sets ham1 sw ecc; hw ecc layout is set by driver */
+ if (ecc_scheme != OMAP_ECC_HAM1_CODE_SW)
+ nand->ecc.layout = ecclayout;
+
return 0;
}
diff --git a/drivers/mtd/onenand/onenand_base.c b/drivers/mtd/onenand/onenand_base.c
index 979e4af7c..e33e8d38e 100644
--- a/drivers/mtd/onenand/onenand_base.c
+++ b/drivers/mtd/onenand/onenand_base.c
@@ -91,7 +91,13 @@ static struct nand_ecclayout onenand_oob_32 = {
.oobfree = { {2, 3}, {14, 2}, {18, 3}, {30, 2} }
};
-static const unsigned char ffchars[] = {
+/*
+ * Warning! This array is used with the memcpy_16() function, thus
+ * it must be aligned to 2 bytes. GCC can make this array unaligned
+ * as the array is made of unsigned char, which memcpy16() doesn't
+ * like and will cause unaligned access.
+ */
+static const unsigned char __aligned(2) ffchars[] = {
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* 16 */
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
diff --git a/drivers/mtd/spi/sf_ops.c b/drivers/mtd/spi/sf_ops.c
index 108665f44..e316a692a 100644
--- a/drivers/mtd/spi/sf_ops.c
+++ b/drivers/mtd/spi/sf_ops.c
@@ -273,9 +273,15 @@ int spi_flash_cmd_read_ops(struct spi_flash *flash, u32 offset,
/* Handle memory-mapped SPI */
if (flash->memory_map) {
+ ret = spi_claim_bus(flash->spi);
+ if (ret) {
+ debug("SF: unable to claim SPI bus\n");
+ return ret;
+ }
spi_xfer(flash->spi, 0, NULL, NULL, SPI_XFER_MMAP);
memcpy(data, flash->memory_map + offset, len);
spi_xfer(flash->spi, 0, NULL, NULL, SPI_XFER_MMAP_END);
+ spi_release_bus(flash->spi);
return 0;
}
diff --git a/drivers/mtd/spi/sf_probe.c b/drivers/mtd/spi/sf_probe.c
index c1eb75489..b863a9828 100644
--- a/drivers/mtd/spi/sf_probe.c
+++ b/drivers/mtd/spi/sf_probe.c
@@ -60,6 +60,7 @@ static const struct spi_flash_params spi_flash_params_table[] = {
{"GD25LQ32", 0xc86016, 0x0, 64 * 1024, 64, SECT_4K},
#endif
#ifdef CONFIG_SPI_FLASH_MACRONIX /* MACRONIX */
+ {"MX25L2006E", 0xc22012, 0x0, 64 * 1024, 4, 0},
{"MX25L4005", 0xc22013, 0x0, 64 * 1024, 8, 0},
{"MX25L8005", 0xc22014, 0x0, 64 * 1024, 16, 0},
{"MX25L1605D", 0xc22015, 0x0, 64 * 1024, 32, 0},
@@ -67,7 +68,7 @@ static const struct spi_flash_params spi_flash_params_table[] = {
{"MX25L6405D", 0xc22017, 0x0, 64 * 1024, 128, 0},
{"MX25L12805", 0xc22018, 0x0, 64 * 1024, 256, 0},
{"MX25L25635F", 0xc22019, 0x0, 64 * 1024, 512, 0},
- {"MX25L51235F", 0xc2201A, 0x0, 64 * 1024, 1024, 0},
+ {"MX25L51235F", 0xc2201a, 0x0, 64 * 1024, 1024, 0},
{"MX25L12855E", 0xc22618, 0x0, 64 * 1024, 256, 0},
#endif
#ifdef CONFIG_SPI_FLASH_SPANSION /* SPANSION */
diff --git a/drivers/mtd/ubi/Makefile b/drivers/mtd/ubi/Makefile
index e1f3a241a..56c282347 100644
--- a/drivers/mtd/ubi/Makefile
+++ b/drivers/mtd/ubi/Makefile
@@ -5,9 +5,6 @@
# SPDX-License-Identifier: GPL-2.0+
#
-ifdef CONFIG_CMD_UBI
obj-y += build.o vtbl.o vmt.o upd.o kapi.o eba.o io.o wl.o scan.o crc32.o
-
obj-y += misc.o
obj-y += debug.o
-endif
generated by cgit v1.2.3-70-g09d2 (git 2.51.2) at 2025-10-31 02:07:51 +0000