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@@ -7,63 +7,49 @@ Sdd support for FudanMicro SPI-NAND flashes
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Signed-off-by: Weijie Gao <[email protected]>
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---
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- drivers/mtd/nand/spi/Makefile | 1 +
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- drivers/mtd/nand/spi/core.c | 1 +
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- drivers/mtd/nand/spi/fudanmicro.c | 107 ++++++++++++++++++++++++++++++
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- include/linux/mtd/spinand.h | 1 +
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- 4 files changed, 110 insertions(+)
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- create mode 100644 drivers/mtd/nand/spi/fudanmicro.c
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+ drivers/mtd/nand/spi/fmsh.c | 78 +++++++++++++++++++++++++++++++++++++
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+ 1 file changed, 78 insertions(+)
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---- a/drivers/mtd/nand/spi/Makefile
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-+++ b/drivers/mtd/nand/spi/Makefile
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-@@ -3,4 +3,5 @@
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- spinand-objs := core.o esmt.o gigadevice.o macronix.o micron.o paragon.o
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- spinand-objs += toshiba.o winbond.o xtx.o
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- spinand-objs += etron.o
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-+spinand-objs += fudanmicro.o
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- obj-$(CONFIG_MTD_SPI_NAND) += spinand.o
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---- a/drivers/mtd/nand/spi/core.c
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-+++ b/drivers/mtd/nand/spi/core.c
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-@@ -827,6 +827,7 @@ static const struct nand_ops spinand_ops
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+--- a/drivers/mtd/nand/spi/fmsh.c
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++++ b/drivers/mtd/nand/spi/fmsh.c
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+@@ -6,13 +6,20 @@
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+ */
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- static const struct spinand_manufacturer *spinand_manufacturers[] = {
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- &etron_spinand_manufacturer,
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-+ &fudan_spinand_manufacturer,
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- &gigadevice_spinand_manufacturer,
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- ¯onix_spinand_manufacturer,
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- µn_spinand_manufacturer,
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---- /dev/null
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-+++ b/drivers/mtd/nand/spi/fudanmicro.c
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-@@ -0,0 +1,107 @@
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-+#ifndef __UBOOT__
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+ #ifndef __UBOOT__
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+#include <malloc.h>
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-+#include <linux/device.h>
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-+#include <linux/kernel.h>
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-+#endif
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+ #include <linux/device.h>
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+ #include <linux/kernel.h>
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+ #endif
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+#include <linux/bitops.h>
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-+#include <linux/mtd/spinand.h>
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-+
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-+#define SPINAND_MFR_FUDAN 0xA1
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-+
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+ #include <linux/mtd/spinand.h>
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+
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+ #define SPINAND_MFR_FMSH 0xA1
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+
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+#define FM25S01B_STATUS_ECC_MASK (7 << 4)
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+#define STATUS_ECC_1_3_BITFLIPS (1 << 4)
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+#define STATUS_ECC_4_6_BITFLIPS (3 << 4)
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+#define STATUS_ECC_7_8_BITFLIPS (5 << 4)
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+
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-+static SPINAND_OP_VARIANTS(read_cache_variants,
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-+ SPINAND_PAGE_READ_FROM_CACHE_X4_OP(0, 1, NULL, 0),
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-+ SPINAND_PAGE_READ_FROM_CACHE_X2_OP(0, 1, NULL, 0),
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-+ SPINAND_PAGE_READ_FROM_CACHE_OP(true, 0, 1, NULL, 0),
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-+ SPINAND_PAGE_READ_FROM_CACHE_OP(false, 0, 1, NULL, 0));
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-+
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-+static SPINAND_OP_VARIANTS(write_cache_variants,
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-+ SPINAND_PROG_LOAD_X4(true, 0, NULL, 0),
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-+ SPINAND_PROG_LOAD(true, 0, NULL, 0));
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-+
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-+static SPINAND_OP_VARIANTS(update_cache_variants,
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-+ SPINAND_PROG_LOAD_X4(false, 0, NULL, 0),
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-+ SPINAND_PROG_LOAD(false, 0, NULL, 0));
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-+
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+ static SPINAND_OP_VARIANTS(read_cache_variants,
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+ SPINAND_PAGE_READ_FROM_CACHE_1S_4S_4S_OP(0, 2, NULL, 0, 0),
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+ SPINAND_PAGE_READ_FROM_CACHE_1S_1S_4S_OP(0, 1, NULL, 0, 0),
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+@@ -21,6 +28,12 @@ static SPINAND_OP_VARIANTS(read_cache_va
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+ SPINAND_PAGE_READ_FROM_CACHE_FAST_1S_1S_1S_OP(0, 1, NULL, 0, 0),
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+ SPINAND_PAGE_READ_FROM_CACHE_1S_1S_1S_OP(0, 1, NULL, 0, 0));
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+
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++static SPINAND_OP_VARIANTS(read_cache_variants_s01b,
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++ SPINAND_PAGE_READ_FROM_CACHE_1S_1S_4S_OP(0, 1, NULL, 0, 0),
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++ SPINAND_PAGE_READ_FROM_CACHE_1S_1S_2S_OP(0, 1, NULL, 0, 0),
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++ SPINAND_PAGE_READ_FROM_CACHE_FAST_1S_1S_1S_OP(0, 1, NULL, 0, 0),
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++ SPINAND_PAGE_READ_FROM_CACHE_1S_1S_1S_OP(0, 1, NULL, 0, 0));
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++
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+ static SPINAND_OP_VARIANTS(write_cache_variants,
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+ SPINAND_PROG_LOAD_1S_1S_4S_OP(true, 0, NULL, 0),
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+ SPINAND_PROG_LOAD_1S_1S_1S_OP(true, 0, NULL, 0));
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+@@ -47,11 +60,66 @@ static int fm25s01a_ooblayout_free(struc
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+ return 0;
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+ }
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+
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+static int fm25s01b_ooblayout_ecc(struct mtd_info *mtd, int section,
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+ struct mtd_oob_region *region)
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+{
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@@ -88,6 +74,11 @@ Signed-off-by: Weijie Gao <[email protected]>
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+ return 0;
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+}
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+
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+ static const struct mtd_ooblayout_ops fm25s01a_ooblayout = {
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+ .ecc = fm25s01a_ooblayout_ecc,
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+ .rfree = fm25s01a_ooblayout_free,
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+ };
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+
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+static const struct mtd_ooblayout_ops fm25s01b_ooblayout = {
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+ .ecc = fm25s01b_ooblayout_ecc,
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+ .rfree = fm25s01b_ooblayout_free,
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@@ -119,36 +110,23 @@ Signed-off-by: Weijie Gao <[email protected]>
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+ return -EINVAL;
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+}
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+
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-+static const struct spinand_info fudan_spinand_table[] = {
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-+ SPINAND_INFO("FM25s01B",
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-+ SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xD4),
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+ static const struct spinand_info fmsh_spinand_table[] = {
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+ SPINAND_INFO("FM25S01A",
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+ SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xE4),
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+@@ -62,6 +130,16 @@ static const struct spinand_info fmsh_sp
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+ &update_cache_variants),
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+ 0,
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+ SPINAND_ECCINFO(&fm25s01a_ooblayout, NULL)),
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++ SPINAND_INFO("FM25S01B",
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++ SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xD4),
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+ NAND_MEMORG(1, 2048, 128, 64, 1024, 20, 1, 1, 1),
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+ NAND_ECCREQ(8, 512),
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-+ SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
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++ SPINAND_INFO_OP_VARIANTS(&read_cache_variants_s01b,
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+ &write_cache_variants,
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+ &update_cache_variants),
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+ SPINAND_HAS_QE_BIT,
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+ SPINAND_ECCINFO(&fm25s01b_ooblayout,
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+ fm25s01b_ecc_get_status)),
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-+};
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-+
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-+static const struct spinand_manufacturer_ops fudan_spinand_manuf_ops = {
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-+};
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-+
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-+const struct spinand_manufacturer fudan_spinand_manufacturer = {
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-+ .id = SPINAND_MFR_FUDAN,
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-+ .name = "FUDAN Micron",
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-+ .chips = fudan_spinand_table,
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-+ .nchips = ARRAY_SIZE(fudan_spinand_table),
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-+ .ops = &fudan_spinand_manuf_ops,
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-+};
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---- a/include/linux/mtd/spinand.h
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-+++ b/include/linux/mtd/spinand.h
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-@@ -245,6 +245,7 @@ struct spinand_manufacturer {
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+ };
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- /* SPI NAND manufacturers */
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- extern const struct spinand_manufacturer etron_spinand_manufacturer;
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-+extern const struct spinand_manufacturer fudan_spinand_manufacturer;
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- extern const struct spinand_manufacturer gigadevice_spinand_manufacturer;
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- extern const struct spinand_manufacturer macronix_spinand_manufacturer;
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- extern const struct spinand_manufacturer micron_spinand_manufacturer;
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+ static const struct spinand_manufacturer_ops fmsh_spinand_manuf_ops = {
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