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-rw-r--r--drivers/mtd/nand/spi/Makefile3
-rw-r--r--drivers/mtd/nand/spi/core.c1
-rw-r--r--drivers/mtd/nand/spi/esmt.c137
-rw-r--r--drivers/mtd/spi/Kconfig5
-rw-r--r--drivers/mtd/spi/spi-nor-core.c34
-rw-r--r--drivers/mtd/spi/spi-nor-ids.c23
-rw-r--r--drivers/spi/bcm63xx_hsspi.c2
-rw-r--r--drivers/spi/cadence_qspi.c7
-rw-r--r--drivers/spi/cadence_qspi.h1
-rw-r--r--drivers/spi/cadence_qspi_apb.c3
-rw-r--r--include/linux/mtd/spinand.h1
11 files changed, 210 insertions, 7 deletions
diff --git a/drivers/mtd/nand/spi/Makefile b/drivers/mtd/nand/spi/Makefile
index 3051de4..f172f47 100644
--- a/drivers/mtd/nand/spi/Makefile
+++ b/drivers/mtd/nand/spi/Makefile
@@ -1,4 +1,5 @@
# SPDX-License-Identifier: GPL-2.0
-spinand-objs := core.o gigadevice.o macronix.o micron.o paragon.o toshiba.o winbond.o
+spinand-objs := core.o esmt.o gigadevice.o macronix.o micron.o paragon.o
+spinand-objs += toshiba.o winbond.o
obj-$(CONFIG_MTD_SPI_NAND) += spinand.o
diff --git a/drivers/mtd/nand/spi/core.c b/drivers/mtd/nand/spi/core.c
index 597b088..8ca3345 100644
--- a/drivers/mtd/nand/spi/core.c
+++ b/drivers/mtd/nand/spi/core.c
@@ -828,6 +828,7 @@ static const struct spinand_manufacturer *spinand_manufacturers[] = {
&paragon_spinand_manufacturer,
&toshiba_spinand_manufacturer,
&winbond_spinand_manufacturer,
+ &esmt_c8_spinand_manufacturer,
};
static int spinand_manufacturer_match(struct spinand_device *spinand,
diff --git a/drivers/mtd/nand/spi/esmt.c b/drivers/mtd/nand/spi/esmt.c
new file mode 100644
index 0000000..7e07b26
--- /dev/null
+++ b/drivers/mtd/nand/spi/esmt.c
@@ -0,0 +1,137 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Author:
+ * Chuanhong Guo <gch981213@gmail.com> - the main driver logic
+ * Martin Kurbanov <mmkurbanov@sberdevices.ru> - OOB layout
+ */
+
+#ifndef __UBOOT__
+#include <linux/device.h>
+#include <linux/kernel.h>
+#endif
+#include <linux/mtd/spinand.h>
+
+/* ESMT uses GigaDevice 0xc8 JECDEC ID on some SPI NANDs */
+#define SPINAND_MFR_ESMT_C8 0xc8
+
+static SPINAND_OP_VARIANTS(read_cache_variants,
+ SPINAND_PAGE_READ_FROM_CACHE_X4_OP(0, 1, NULL, 0),
+ SPINAND_PAGE_READ_FROM_CACHE_X2_OP(0, 1, NULL, 0),
+ SPINAND_PAGE_READ_FROM_CACHE_OP(true, 0, 1, NULL, 0),
+ SPINAND_PAGE_READ_FROM_CACHE_OP(false, 0, 1, NULL, 0));
+
+static SPINAND_OP_VARIANTS(write_cache_variants,
+ SPINAND_PROG_LOAD_X4(true, 0, NULL, 0),
+ SPINAND_PROG_LOAD(true, 0, NULL, 0));
+
+static SPINAND_OP_VARIANTS(update_cache_variants,
+ SPINAND_PROG_LOAD_X4(false, 0, NULL, 0),
+ SPINAND_PROG_LOAD(false, 0, NULL, 0));
+
+/*
+ * OOB spare area map (64 bytes)
+ *
+ * Bad Block Markers
+ * filled by HW and kernel Reserved
+ * | +-----------------------+-----------------------+
+ * | | | |
+ * | | OOB free data Area |non ECC protected |
+ * | +-------------|-----+-----------------|-----+-----------------|-----+
+ * | | | | | | | |
+ * +-|---|----------+--|-----|--------------+--|-----|--------------+--|-----|--------------+
+ * | | | section0 | | | section1 | | | section2 | | | section3 |
+ * +-v-+-v-+---+----+--v--+--v--+-----+-----+--v--+--v--+-----+-----+--v--+--v--+-----+-----+
+ * | | | | | | | | | | | | | | | | |
+ * |0:1|2:3|4:7|8:15|16:17|18:19|20:23|24:31|32:33|34:35|36:39|40:47|48:49|50:51|52:55|56:63|
+ * | | | | | | | | | | | | | | | | |
+ * +---+---+-^-+--^-+-----+-----+--^--+--^--+-----+-----+--^--+--^--+-----+-----+--^--+--^--+
+ * | | | | | | | |
+ * | +----------------|-----+-----------------|-----+-----------------|-----+
+ * | ECC Area|(Main + Spare) - filled|by ESMT NAND HW |
+ * | | | |
+ * +---------------------+-----------------------+-----------------------+
+ * OOB ECC protected Area - not used due to
+ * partial programming from some filesystems
+ * (like JFFS2 with cleanmarkers)
+ */
+
+#define ESMT_OOB_SECTION_COUNT 4
+#define ESMT_OOB_SECTION_SIZE(nand) \
+ (nanddev_per_page_oobsize(nand) / ESMT_OOB_SECTION_COUNT)
+#define ESMT_OOB_FREE_SIZE(nand) \
+ (ESMT_OOB_SECTION_SIZE(nand) / 2)
+#define ESMT_OOB_ECC_SIZE(nand) \
+ (ESMT_OOB_SECTION_SIZE(nand) - ESMT_OOB_FREE_SIZE(nand))
+#define ESMT_OOB_BBM_SIZE 2
+
+static int f50l1g41lb_ooblayout_ecc(struct mtd_info *mtd, int section,
+ struct mtd_oob_region *region)
+{
+ struct nand_device *nand = mtd_to_nanddev(mtd);
+
+ if (section >= ESMT_OOB_SECTION_COUNT)
+ return -ERANGE;
+
+ region->offset = section * ESMT_OOB_SECTION_SIZE(nand) +
+ ESMT_OOB_FREE_SIZE(nand);
+ region->length = ESMT_OOB_ECC_SIZE(nand);
+
+ return 0;
+}
+
+static int f50l1g41lb_ooblayout_free(struct mtd_info *mtd, int section,
+ struct mtd_oob_region *region)
+{
+ struct nand_device *nand = mtd_to_nanddev(mtd);
+
+ if (section >= ESMT_OOB_SECTION_COUNT)
+ return -ERANGE;
+
+ /*
+ * Reserve space for bad blocks markers (section0) and
+ * reserved bytes (sections 1-3)
+ */
+ region->offset = section * ESMT_OOB_SECTION_SIZE(nand) + 2;
+
+ /* Use only 2 non-protected ECC bytes per each OOB section */
+ region->length = 2;
+
+ return 0;
+}
+
+static const struct mtd_ooblayout_ops f50l1g41lb_ooblayout = {
+ .ecc = f50l1g41lb_ooblayout_ecc,
+ .rfree = f50l1g41lb_ooblayout_free,
+};
+
+static const struct spinand_info esmt_c8_spinand_table[] = {
+ SPINAND_INFO("F50L1G41LB",
+ SPINAND_ID(SPINAND_READID_METHOD_OPCODE_ADDR, 0x01),
+ NAND_MEMORG(1, 2048, 64, 64, 1024, 20, 1, 1, 1),
+ NAND_ECCREQ(1, 512),
+ SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
+ &write_cache_variants,
+ &update_cache_variants),
+ 0,
+ SPINAND_ECCINFO(&f50l1g41lb_ooblayout, NULL)),
+ SPINAND_INFO("F50D1G41LB",
+ SPINAND_ID(SPINAND_READID_METHOD_OPCODE_ADDR, 0x11),
+ NAND_MEMORG(1, 2048, 64, 64, 1024, 20, 1, 1, 1),
+ NAND_ECCREQ(1, 512),
+ SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
+ &write_cache_variants,
+ &update_cache_variants),
+ 0,
+ SPINAND_ECCINFO(&f50l1g41lb_ooblayout, NULL)),
+};
+
+static const struct spinand_manufacturer_ops esmt_spinand_manuf_ops = {
+};
+
+const struct spinand_manufacturer esmt_c8_spinand_manufacturer = {
+ .id = SPINAND_MFR_ESMT_C8,
+ .name = "ESMT",
+ .chips = esmt_c8_spinand_table,
+ .nchips = ARRAY_SIZE(esmt_c8_spinand_table),
+ .ops = &esmt_spinand_manuf_ops,
+};
diff --git a/drivers/mtd/spi/Kconfig b/drivers/mtd/spi/Kconfig
index abed392..d068b78 100644
--- a/drivers/mtd/spi/Kconfig
+++ b/drivers/mtd/spi/Kconfig
@@ -176,6 +176,11 @@ config SPI_FLASH_MACRONIX
help
Add support for various Macronix SPI flash chips (MX25Lxxx)
+config SPI_FLASH_SILICONKAISER
+ bool "Silicon Kaiser SPI flash support"
+ help
+ Add support for various Silicon Kaiser SPI flash chips (SK25Lxxx)
+
config SPI_FLASH_SPANSION
bool "Spansion SPI flash support"
help
diff --git a/drivers/mtd/spi/spi-nor-core.c b/drivers/mtd/spi/spi-nor-core.c
index 9a1801b..3f5f3c8 100644
--- a/drivers/mtd/spi/spi-nor-core.c
+++ b/drivers/mtd/spi/spi-nor-core.c
@@ -2089,6 +2089,36 @@ read_err:
return ret;
}
+/**
+ * spi_nor_read_sfdp_dma_unsafe() - read Serial Flash Discoverable Parameters.
+ * @nor: pointer to a 'struct spi_nor'
+ * @addr: offset in the SFDP area to start reading data from
+ * @len: number of bytes to read
+ * @buf: buffer where the SFDP data are copied into
+ *
+ * Wrap spi_nor_read_sfdp() using a kmalloc'ed bounce buffer as @buf is now not
+ * guaranteed to be dma-safe.
+ *
+ * Return: -ENOMEM if kmalloc() fails, the return code of spi_nor_read_sfdp()
+ * otherwise.
+ */
+static int spi_nor_read_sfdp_dma_unsafe(struct spi_nor *nor, u32 addr,
+ size_t len, void *buf)
+{
+ void *dma_safe_buf;
+ int ret;
+
+ dma_safe_buf = kmalloc(len, GFP_KERNEL);
+ if (!dma_safe_buf)
+ return -ENOMEM;
+
+ ret = spi_nor_read_sfdp(nor, addr, len, dma_safe_buf);
+ memcpy(buf, dma_safe_buf, len);
+ kfree(dma_safe_buf);
+
+ return ret;
+}
+
/* Fast Read settings. */
static void
@@ -2262,7 +2292,7 @@ static int spi_nor_parse_bfpt(struct spi_nor *nor,
bfpt_header->length * sizeof(u32));
addr = SFDP_PARAM_HEADER_PTP(bfpt_header);
memset(&bfpt, 0, sizeof(bfpt));
- err = spi_nor_read_sfdp(nor, addr, len, &bfpt);
+ err = spi_nor_read_sfdp_dma_unsafe(nor, addr, len, &bfpt);
if (err < 0)
return err;
@@ -2588,7 +2618,7 @@ static int spi_nor_parse_sfdp(struct spi_nor *nor,
int i, err;
/* Get the SFDP header. */
- err = spi_nor_read_sfdp(nor, 0, sizeof(header), &header);
+ err = spi_nor_read_sfdp_dma_unsafe(nor, 0, sizeof(header), &header);
if (err < 0)
return err;
diff --git a/drivers/mtd/spi/spi-nor-ids.c b/drivers/mtd/spi/spi-nor-ids.c
index f86e7ff..8db522f 100644
--- a/drivers/mtd/spi/spi-nor-ids.c
+++ b/drivers/mtd/spi/spi-nor-ids.c
@@ -200,6 +200,11 @@ const struct flash_info spi_nor_ids[] = {
SPI_NOR_OCTAL_READ | SPI_NOR_4B_OPCODES)},
{INFO("gd55lx02g", 0xc8681C, 0, 64 * 1024, 4096, SECT_4K |
SPI_NOR_OCTAL_READ | SPI_NOR_4B_OPCODES)},
+ {
+ INFO("gd55lb02ge", 0xc8671c, 0, 64 * 1024, 4096,
+ SECT_4K | SPI_NOR_QUAD_READ |
+ SPI_NOR_HAS_LOCK | SPI_NOR_HAS_TB)
+ },
#endif
#ifdef CONFIG_SPI_FLASH_ISSI /* ISSI */
/* ISSI */
@@ -287,6 +292,10 @@ const struct flash_info spi_nor_ids[] = {
{ INFO("mx25uw6345g", 0xc28437, 0, 64 * 1024, 128, SECT_4K | SPI_NOR_OCTAL_DTR_READ | SPI_NOR_4B_OPCODES) },
#endif
+#ifdef CONFIG_SPI_FLASH_SILICONKAISER
+ { INFO("sk25lp128", 0x257018, 0, 64 * 1024, 256, SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) },
+#endif
+
#ifdef CONFIG_SPI_FLASH_STMICRO /* STMICRO */
/* Micron */
{ INFO("n25q016a", 0x20bb15, 0, 64 * 1024, 32, SECT_4K | SPI_NOR_QUAD_READ) },
@@ -300,6 +309,7 @@ const struct flash_info spi_nor_ids[] = {
{ INFO("n25q256a", 0x20ba19, 0, 64 * 1024, 512, SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ | USE_FSR) },
{ INFO6("mt25qu256a", 0x20bb19, 0x104400, 64 * 1024, 512, SECT_4K | SPI_NOR_QUAD_READ | SPI_NOR_4B_OPCODES | USE_FSR) },
{ INFO("n25q256ax1", 0x20bb19, 0, 64 * 1024, 512, SECT_4K | SPI_NOR_QUAD_READ | USE_FSR) },
+ { INFO("mt25qu128ab", 0x20bb18, 0, 64 * 1024, 256, SECT_4K | USE_FSR | SPI_NOR_QUAD_READ) },
{ INFO6("mt25qu512a", 0x20bb20, 0x104400, 64 * 1024, 1024,
SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ | SPI_NOR_4B_OPCODES |
USE_FSR) },
@@ -309,6 +319,7 @@ const struct flash_info spi_nor_ids[] = {
{ INFO("n25q00", 0x20ba21, 0, 64 * 1024, 2048, SECT_4K | USE_FSR | SPI_NOR_QUAD_READ | NO_CHIP_ERASE) },
{ INFO("n25q00a", 0x20bb21, 0, 64 * 1024, 2048, SECT_4K | USE_FSR | SPI_NOR_QUAD_READ | NO_CHIP_ERASE) },
{ INFO("mt25ql01g", 0x21ba20, 0, 64 * 1024, 2048, SECT_4K | USE_FSR | SPI_NOR_QUAD_READ | NO_CHIP_ERASE) },
+ { INFO6("mt25qu01g", 0x20bb21, 0x104400, 64 * 1024, 2048, SECT_4K | USE_FSR | SPI_NOR_QUAD_READ | NO_CHIP_ERASE | SPI_NOR_4B_OPCODES) },
{ INFO("mt25qu02g", 0x20bb22, 0, 64 * 1024, 4096, SECT_4K | USE_FSR | SPI_NOR_QUAD_READ | NO_CHIP_ERASE) },
{ INFO("mt25ql02g", 0x20ba22, 0, 64 * 1024, 4096, SECT_4K | USE_FSR | SPI_NOR_QUAD_READ | NO_CHIP_ERASE | SPI_NOR_4B_OPCODES) },
#ifdef CONFIG_SPI_FLASH_MT35XU
@@ -513,6 +524,16 @@ const struct flash_info spi_nor_ids[] = {
SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ |
SPI_NOR_HAS_LOCK | SPI_NOR_HAS_TB)
},
+ {
+ INFO("w25q01jvfim", 0xef7021, 0, 64 * 1024, 2048,
+ SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ |
+ SPI_NOR_HAS_LOCK | SPI_NOR_HAS_TB)
+ },
+ {
+ INFO("w25q02jv", 0xef7022, 0, 64 * 1024, 4096,
+ SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ |
+ SPI_NOR_HAS_LOCK | SPI_NOR_HAS_TB)
+ },
{ INFO("w25q80", 0xef5014, 0, 64 * 1024, 16, SECT_4K) },
{ INFO("w25q80bl", 0xef4014, 0, 64 * 1024, 16, SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) },
{ INFO("w25q16cl", 0xef4015, 0, 64 * 1024, 32, SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) },
@@ -566,6 +587,8 @@ const struct flash_info spi_nor_ids[] = {
SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ | SPI_NOR_4B_OPCODES) },
{ INFO("xt25q01g", 0x0b601B, 0, 64 * 1024, 2048,
SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ | SPI_NOR_4B_OPCODES) },
+ { INFO("xt55q02g", 0x0b601C, 0, 64 * 1024, 4096,
+ SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ | SPI_NOR_4B_OPCODES) },
/* adding these wide voltage QSPI flash parts */
{ INFO("xt25w512", 0x0b651A, 0, 64 * 1024, 1024,
SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ | SPI_NOR_4B_OPCODES) },
diff --git a/drivers/spi/bcm63xx_hsspi.c b/drivers/spi/bcm63xx_hsspi.c
index a24bb43..19d9a5a 100644
--- a/drivers/spi/bcm63xx_hsspi.c
+++ b/drivers/spi/bcm63xx_hsspi.c
@@ -295,7 +295,7 @@ static int bcm63xx_hsspi_xfer_dummy_cs(struct udevice *dev, unsigned int data_by
/* transfer loop */
while (data_bytes > 0) {
- size_t curr_step = min(step_size, data_bytes);
+ size_t curr_step = min(step_size, (size_t)data_bytes);
int ret;
/* copy tx data */
diff --git a/drivers/spi/cadence_qspi.c b/drivers/spi/cadence_qspi.c
index 2efd626..dfc74c8 100644
--- a/drivers/spi/cadence_qspi.c
+++ b/drivers/spi/cadence_qspi.c
@@ -39,6 +39,11 @@ __weak int cadence_qspi_versal_flash_reset(struct udevice *dev)
return 0;
}
+__weak ofnode cadence_qspi_get_subnode(struct udevice *dev)
+{
+ return dev_read_first_subnode(dev);
+}
+
static int cadence_spi_write_speed(struct udevice *bus, uint hz)
{
struct cadence_spi_priv *priv = dev_get_priv(bus);
@@ -400,7 +405,7 @@ static int cadence_spi_of_to_plat(struct udevice *bus)
plat->is_dma = dev_read_bool(bus, "cdns,is-dma");
/* All other parameters are embedded in the child node */
- subnode = dev_read_first_subnode(bus);
+ subnode = cadence_qspi_get_subnode(bus);
if (!ofnode_valid(subnode)) {
printf("Error: subnode with SPI flash config missing!\n");
return -ENODEV;
diff --git a/drivers/spi/cadence_qspi.h b/drivers/spi/cadence_qspi.h
index 1c59d1a..12825f8 100644
--- a/drivers/spi/cadence_qspi.h
+++ b/drivers/spi/cadence_qspi.h
@@ -304,6 +304,7 @@ int cadence_qspi_apb_dma_read(struct cadence_spi_priv *priv,
int cadence_qspi_apb_wait_for_dma_cmplt(struct cadence_spi_priv *priv);
int cadence_qspi_apb_exec_flash_cmd(void *reg_base, unsigned int reg);
int cadence_qspi_versal_flash_reset(struct udevice *dev);
+ofnode cadence_qspi_get_subnode(struct udevice *dev);
void cadence_qspi_apb_enable_linear_mode(bool enable);
#endif /* __CADENCE_QSPI_H__ */
diff --git a/drivers/spi/cadence_qspi_apb.c b/drivers/spi/cadence_qspi_apb.c
index 9ce2c0f..d033184 100644
--- a/drivers/spi/cadence_qspi_apb.c
+++ b/drivers/spi/cadence_qspi_apb.c
@@ -171,8 +171,7 @@ static unsigned int cadence_qspi_wait_idle(void *reg_base)
}
/* Timeout, still in busy mode. */
- printf("QSPI: QSPI is still busy after poll for %d times.\n",
- CQSPI_REG_RETRY);
+ printf("QSPI: QSPI is still busy after poll for %d ms.\n", timeout);
return 0;
}
diff --git a/include/linux/mtd/spinand.h b/include/linux/mtd/spinand.h
index 6d68514..6f479fa 100644
--- a/include/linux/mtd/spinand.h
+++ b/include/linux/mtd/spinand.h
@@ -250,6 +250,7 @@ extern const struct spinand_manufacturer micron_spinand_manufacturer;
extern const struct spinand_manufacturer paragon_spinand_manufacturer;
extern const struct spinand_manufacturer toshiba_spinand_manufacturer;
extern const struct spinand_manufacturer winbond_spinand_manufacturer;
+extern const struct spinand_manufacturer esmt_c8_spinand_manufacturer;
/**
* struct spinand_op_variants - SPI NAND operation variants
generated by cgit v1.1 at 2024-11-13 12:03:35 +0000