include/linux/mtd/spi-nor.h | 14 +-
4 files changed, 432 insertions(+), 76 deletions(-)
-diff --git a/drivers/mtd/mtdchar.c b/drivers/mtd/mtdchar.c
-index 2a47a3f0..4f21401d 100644
--- a/drivers/mtd/mtdchar.c
+++ b/drivers/mtd/mtdchar.c
-@@ -451,7 +451,7 @@ static int mtdchar_readoob(struct file *file, struct mtd_info *mtd,
+@@ -451,7 +451,7 @@ static int mtdchar_readoob(struct file *
* data. For our userspace tools it is important to dump areas
* with ECC errors!
* For kernel internal usage it also might return -EUCLEAN
* been corrected by the ECC algorithm.
*
* Note: currently the standard NAND function, nand_read_oob_std,
-diff --git a/drivers/mtd/spi-nor/fsl-quadspi.c b/drivers/mtd/spi-nor/fsl-quadspi.c
-index 5c82e4ef..8fb75532 100644
--- a/drivers/mtd/spi-nor/fsl-quadspi.c
+++ b/drivers/mtd/spi-nor/fsl-quadspi.c
@@ -41,6 +41,8 @@
.devtype = FSL_QUADSPI_VYBRID,
.rxfifo = 128,
.txfifo = 64,
-@@ -232,7 +241,7 @@ static struct fsl_qspi_devtype_data vybrid_data = {
+@@ -232,7 +241,7 @@ static struct fsl_qspi_devtype_data vybr
.driver_data = QUADSPI_QUIRK_SWAP_ENDIAN,
};
.devtype = FSL_QUADSPI_IMX6SX,
.rxfifo = 128,
.txfifo = 512,
-@@ -241,7 +250,7 @@ static struct fsl_qspi_devtype_data imx6sx_data = {
+@@ -241,7 +250,7 @@ static struct fsl_qspi_devtype_data imx6
| QUADSPI_QUIRK_TKT245618,
};
.devtype = FSL_QUADSPI_IMX7D,
.rxfifo = 512,
.txfifo = 512,
-@@ -250,7 +259,7 @@ static struct fsl_qspi_devtype_data imx7d_data = {
+@@ -250,7 +259,7 @@ static struct fsl_qspi_devtype_data imx7
| QUADSPI_QUIRK_4X_INT_CLK,
};
.devtype = FSL_QUADSPI_IMX6UL,
.rxfifo = 128,
.txfifo = 512,
-@@ -267,6 +276,14 @@ static struct fsl_qspi_devtype_data ls1021a_data = {
+@@ -267,6 +276,14 @@ static struct fsl_qspi_devtype_data ls10
.driver_data = 0,
};
unsigned int chip_base_addr; /* We may support two chips. */
bool has_second_chip;
bool big_endian;
-@@ -309,6 +327,23 @@ static inline int needs_wakeup_wait_mode(struct fsl_qspi *q)
+@@ -309,6 +327,23 @@ static inline int needs_wakeup_wait_mode
return q->devtype_data->driver_data & QUADSPI_QUIRK_TKT245618;
}
/*
* R/W functions for big- or little-endian registers:
* The qSPI controller's endian is independent of the CPU core's endian.
-@@ -331,6 +366,31 @@ static u32 qspi_readl(struct fsl_qspi *q, void __iomem *addr)
+@@ -331,6 +366,31 @@ static u32 qspi_readl(struct fsl_qspi *q
return ioread32(addr);
}
/*
* An IC bug makes us to re-arrange the 32-bit data.
* The following chips, such as IMX6SLX, have fixed this bug.
-@@ -373,8 +433,15 @@ static void fsl_qspi_init_lut(struct fsl_qspi *q)
+@@ -373,8 +433,15 @@ static void fsl_qspi_init_lut(struct fsl
void __iomem *base = q->iobase;
int rxfifo = q->devtype_data->rxfifo;
u32 lut_base;
fsl_qspi_unlock_lut(q);
-@@ -382,25 +449,51 @@ static void fsl_qspi_init_lut(struct fsl_qspi *q)
+@@ -382,25 +449,51 @@ static void fsl_qspi_init_lut(struct fsl
for (i = 0; i < QUADSPI_LUT_NUM; i++)
qspi_writel(q, 0, base + QUADSPI_LUT_BASE + i * 4);
- addrlen = ADDR32BIT;
- dummy = 8;
- }
--
-- qspi_writel(q, LUT0(CMD, PAD1, cmd) | LUT1(ADDR, PAD1, addrlen),
+ /* Read */
+ lut_base = SEQID_READ * 4;
-+
+
+- qspi_writel(q, LUT0(CMD, PAD1, cmd) | LUT1(ADDR, PAD1, addrlen),
+ if (nor->flash_read == SPI_NOR_FAST) {
+ qspi_writel(q, LUT0(CMD, PAD1, read_op) |
+ LUT1(ADDR, PAD1, addrlen),
/* Write enable */
lut_base = SEQID_WREN * 4;
qspi_writel(q, LUT0(CMD, PAD1, SPINOR_OP_WREN),
-@@ -409,16 +502,8 @@ static void fsl_qspi_init_lut(struct fsl_qspi *q)
+@@ -409,16 +502,8 @@ static void fsl_qspi_init_lut(struct fsl
/* Page Program */
lut_base = SEQID_PP * 4;
base + QUADSPI_LUT(lut_base));
qspi_writel(q, LUT0(FSL_WRITE, PAD1, 0),
base + QUADSPI_LUT(lut_base + 1));
-@@ -432,10 +517,8 @@ static void fsl_qspi_init_lut(struct fsl_qspi *q)
+@@ -432,10 +517,8 @@ static void fsl_qspi_init_lut(struct fsl
/* Erase a sector */
lut_base = SEQID_SE * 4;
base + QUADSPI_LUT(lut_base));
/* Erase the whole chip */
-@@ -476,6 +559,44 @@ static void fsl_qspi_init_lut(struct fsl_qspi *q)
+@@ -476,6 +559,44 @@ static void fsl_qspi_init_lut(struct fsl
qspi_writel(q, LUT0(CMD, PAD1, SPINOR_OP_BRWR),
base + QUADSPI_LUT(lut_base));
fsl_qspi_lock_lut(q);
}
-@@ -483,8 +604,24 @@ static void fsl_qspi_init_lut(struct fsl_qspi *q)
+@@ -483,8 +604,24 @@ static void fsl_qspi_init_lut(struct fsl
static int fsl_qspi_get_seqid(struct fsl_qspi *q, u8 cmd)
{
switch (cmd) {
case SPINOR_OP_WREN:
return SEQID_WREN;
case SPINOR_OP_WRDI:
-@@ -496,6 +633,7 @@ static int fsl_qspi_get_seqid(struct fsl_qspi *q, u8 cmd)
+@@ -496,6 +633,7 @@ static int fsl_qspi_get_seqid(struct fsl
case SPINOR_OP_CHIP_ERASE:
return SEQID_CHIP_ERASE;
case SPINOR_OP_PP:
return SEQID_PP;
case SPINOR_OP_RDID:
return SEQID_RDID;
-@@ -507,6 +645,8 @@ static int fsl_qspi_get_seqid(struct fsl_qspi *q, u8 cmd)
+@@ -507,6 +645,8 @@ static int fsl_qspi_get_seqid(struct fsl
return SEQID_EN4B;
case SPINOR_OP_BRWR:
return SEQID_BRWR;
default:
if (cmd == q->nor[0].erase_opcode)
return SEQID_SE;
-@@ -531,8 +671,11 @@ fsl_qspi_runcmd(struct fsl_qspi *q, u8 cmd, unsigned int addr, int len)
+@@ -531,8 +671,11 @@ fsl_qspi_runcmd(struct fsl_qspi *q, u8 c
/* save the reg */
reg = qspi_readl(q, base + QUADSPI_MCR);
qspi_writel(q, QUADSPI_RBCT_WMRK_MASK | QUADSPI_RBCT_RXBRD_USEIPS,
base + QUADSPI_RBCT);
qspi_writel(q, reg | QUADSPI_MCR_CLR_RXF_MASK, base + QUADSPI_MCR);
-@@ -582,10 +725,10 @@ static void fsl_qspi_read_data(struct fsl_qspi *q, int len, u8 *rxbuf)
+@@ -582,10 +725,10 @@ static void fsl_qspi_read_data(struct fs
q->chip_base_addr, tmp);
if (len >= 4) {
break;
}
-@@ -619,11 +762,12 @@ static inline void fsl_qspi_invalid(struct fsl_qspi *q)
+@@ -619,11 +762,12 @@ static inline void fsl_qspi_invalid(stru
}
static ssize_t fsl_qspi_nor_write(struct fsl_qspi *q, struct spi_nor *nor,
dev_dbg(q->dev, "to 0x%.8x:0x%.8x, len : %d\n",
q->chip_base_addr, to, count);
-@@ -633,10 +777,13 @@ static ssize_t fsl_qspi_nor_write(struct fsl_qspi *q, struct spi_nor *nor,
+@@ -633,10 +777,13 @@ static ssize_t fsl_qspi_nor_write(struct
qspi_writel(q, tmp | QUADSPI_MCR_CLR_TXF_MASK, q->iobase + QUADSPI_MCR);
/* fill the TX data to the FIFO */
}
/* fill the TXFIFO upto 16 bytes for i.MX7d */
-@@ -657,11 +804,43 @@ static void fsl_qspi_set_map_addr(struct fsl_qspi *q)
+@@ -657,11 +804,43 @@ static void fsl_qspi_set_map_addr(struct
{
int nor_size = q->nor_size;
void __iomem *base = q->iobase;
}
/*
-@@ -681,19 +860,36 @@ static void fsl_qspi_init_abh_read(struct fsl_qspi *q)
+@@ -681,19 +860,36 @@ static void fsl_qspi_init_abh_read(struc
{
void __iomem *base = q->iobase;
int seqid;
/* We only use the buffer3 */
qspi_writel(q, 0, base + QUADSPI_BUF0IND);
-@@ -704,6 +900,11 @@ static void fsl_qspi_init_abh_read(struct fsl_qspi *q)
+@@ -704,6 +900,11 @@ static void fsl_qspi_init_abh_read(struc
seqid = fsl_qspi_get_seqid(q, q->nor[0].read_opcode);
qspi_writel(q, seqid << QUADSPI_BFGENCR_SEQID_SHIFT,
q->iobase + QUADSPI_BFGENCR);
}
/* This function was used to prepare and enable QSPI clock */
-@@ -822,6 +1023,7 @@ static const struct of_device_id fsl_qspi_dt_ids[] = {
+@@ -822,6 +1023,7 @@ static const struct of_device_id fsl_qsp
{ .compatible = "fsl,imx7d-qspi", .data = (void *)&imx7d_data, },
{ .compatible = "fsl,imx6ul-qspi", .data = (void *)&imx6ul_data, },
{ .compatible = "fsl,ls1021a-qspi", .data = (void *)&ls1021a_data, },
{ /* sentinel */ }
};
MODULE_DEVICE_TABLE(of, fsl_qspi_dt_ids);
-@@ -835,8 +1037,12 @@ static int fsl_qspi_read_reg(struct spi_nor *nor, u8 opcode, u8 *buf, int len)
+@@ -835,8 +1037,12 @@ static int fsl_qspi_read_reg(struct spi_
{
int ret;
struct fsl_qspi *q = nor->priv;
if (ret)
return ret;
-@@ -848,9 +1054,13 @@ static int fsl_qspi_write_reg(struct spi_nor *nor, u8 opcode, u8 *buf, int len)
+@@ -848,9 +1054,13 @@ static int fsl_qspi_write_reg(struct spi
{
struct fsl_qspi *q = nor->priv;
int ret;
if (ret)
return ret;
-@@ -859,7 +1069,7 @@ static int fsl_qspi_write_reg(struct spi_nor *nor, u8 opcode, u8 *buf, int len)
+@@ -859,7 +1069,7 @@ static int fsl_qspi_write_reg(struct spi
} else if (len > 0) {
ret = fsl_qspi_nor_write(q, nor, opcode, 0,
if (ret > 0)
return 0;
} else {
-@@ -875,7 +1085,7 @@ static ssize_t fsl_qspi_write(struct spi_nor *nor, loff_t to,
+@@ -875,7 +1085,7 @@ static ssize_t fsl_qspi_write(struct spi
{
struct fsl_qspi *q = nor->priv;
ssize_t ret = fsl_qspi_nor_write(q, nor, nor->program_opcode, to,
/* invalid the data in the AHB buffer. */
fsl_qspi_invalid(q);
-@@ -922,7 +1132,7 @@ static ssize_t fsl_qspi_read(struct spi_nor *nor, loff_t from,
+@@ -922,7 +1132,7 @@ static ssize_t fsl_qspi_read(struct spi_
len);
/* Read out the data directly from the AHB buffer.*/
len);
return len;
-@@ -980,6 +1190,8 @@ static int fsl_qspi_probe(struct platform_device *pdev)
+@@ -980,6 +1190,8 @@ static int fsl_qspi_probe(struct platfor
struct spi_nor *nor;
struct mtd_info *mtd;
int ret, i = 0;
q = devm_kzalloc(dev, sizeof(*q), GFP_KERNEL);
if (!q)
-@@ -1027,6 +1239,12 @@ static int fsl_qspi_probe(struct platform_device *pdev)
+@@ -1027,6 +1239,12 @@ static int fsl_qspi_probe(struct platfor
goto clk_failed;
}
/* find the irq */
ret = platform_get_irq(pdev, 0);
if (ret < 0) {
-@@ -1050,6 +1268,7 @@ static int fsl_qspi_probe(struct platform_device *pdev)
+@@ -1050,6 +1268,7 @@ static int fsl_qspi_probe(struct platfor
mutex_init(&q->lock);
/* iterate the subnodes. */
for_each_available_child_of_node(dev->of_node, np) {
/* skip the holes */
-@@ -1076,18 +1295,25 @@ static int fsl_qspi_probe(struct platform_device *pdev)
+@@ -1076,18 +1295,25 @@ static int fsl_qspi_probe(struct platfor
ret = of_property_read_u32(np, "spi-max-frequency",
&q->clk_rate);
if (ret < 0)
/* Set the correct NOR size now. */
if (q->nor_size == 0) {
-@@ -1110,8 +1336,12 @@ static int fsl_qspi_probe(struct platform_device *pdev)
+@@ -1110,8 +1336,12 @@ static int fsl_qspi_probe(struct platfor
nor->page_size = q->devtype_data->txfifo;
i++;
/* finish the rest init. */
ret = fsl_qspi_nor_setup_last(q);
if (ret)
-diff --git a/drivers/mtd/spi-nor/spi-nor.c b/drivers/mtd/spi-nor/spi-nor.c
-index 793d321d..190e0e45 100644
--- a/drivers/mtd/spi-nor/spi-nor.c
+++ b/drivers/mtd/spi-nor/spi-nor.c
@@ -40,6 +40,13 @@
*/
static int read_cr(struct spi_nor *nor)
{
-@@ -160,6 +170,8 @@ static inline int spi_nor_read_dummy_cycles(struct spi_nor *nor)
+@@ -160,6 +170,8 @@ static inline int spi_nor_read_dummy_cyc
case SPI_NOR_DUAL:
case SPI_NOR_QUAD:
return 8;
case SPI_NOR_NORMAL:
return 0;
}
-@@ -961,6 +973,8 @@ static const struct flash_info spi_nor_ids[] = {
+@@ -961,6 +973,8 @@ static const struct flash_info spi_nor_i
/* ESMT */
{ "f25l32pa", INFO(0x8c2016, 0, 64 * 1024, 64, SECT_4K | SPI_NOR_HAS_LOCK) },
/* Everspin */
{ "mr25h256", CAT25_INFO( 32 * 1024, 1, 256, 2, SPI_NOR_NO_ERASE | SPI_NOR_NO_FR) },
-@@ -1014,12 +1028,15 @@ static const struct flash_info spi_nor_ids[] = {
+@@ -1014,12 +1028,15 @@ static const struct flash_info spi_nor_i
{ "mx25l3205d", INFO(0xc22016, 0, 64 * 1024, 64, SECT_4K) },
{ "mx25l3255e", INFO(0xc29e16, 0, 64 * 1024, 64, SECT_4K) },
{ "mx25l6405d", INFO(0xc22017, 0, 64 * 1024, 128, SECT_4K) },
{ "mx25l25655e", INFO(0xc22619, 0, 64 * 1024, 512, 0) },
{ "mx66l51235l", INFO(0xc2201a, 0, 64 * 1024, 1024, SPI_NOR_QUAD_READ) },
{ "mx66l1g55g", INFO(0xc2261b, 0, 64 * 1024, 2048, SPI_NOR_QUAD_READ) },
-@@ -1033,10 +1050,11 @@ static const struct flash_info spi_nor_ids[] = {
+@@ -1033,10 +1050,11 @@ static const struct flash_info spi_nor_i
{ "n25q128a11", INFO(0x20bb18, 0, 64 * 1024, 256, SECT_4K | SPI_NOR_QUAD_READ) },
{ "n25q128a13", INFO(0x20ba18, 0, 64 * 1024, 256, SECT_4K | SPI_NOR_QUAD_READ) },
{ "n25q256a", INFO(0x20ba19, 0, 64 * 1024, 512, SECT_4K | SPI_NOR_QUAD_READ) },
/* PMC */
{ "pm25lv512", INFO(0, 0, 32 * 1024, 2, SECT_4K_PMC) },
-@@ -1054,8 +1072,11 @@ static const struct flash_info spi_nor_ids[] = {
+@@ -1054,8 +1072,11 @@ static const struct flash_info spi_nor_i
{ "s70fl01gs", INFO(0x010221, 0x4d00, 256 * 1024, 256, 0) },
{ "s25sl12800", INFO(0x012018, 0x0300, 256 * 1024, 64, 0) },
{ "s25sl12801", INFO(0x012018, 0x0301, 64 * 1024, 256, 0) },
{ "s25fl129p1", INFO(0x012018, 0x4d01, 64 * 1024, 256, SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) },
{ "s25sl004a", INFO(0x010212, 0, 64 * 1024, 8, 0) },
{ "s25sl008a", INFO(0x010213, 0, 64 * 1024, 16, 0) },
-@@ -1130,6 +1151,9 @@ static const struct flash_info spi_nor_ids[] = {
+@@ -1130,6 +1151,9 @@ static const struct flash_info spi_nor_i
{ "w25x80", INFO(0xef3014, 0, 64 * 1024, 16, SECT_4K) },
{ "w25x16", INFO(0xef3015, 0, 64 * 1024, 32, SECT_4K) },
{ "w25x32", INFO(0xef3016, 0, 64 * 1024, 64, SECT_4K) },
{ "w25q32", INFO(0xef4016, 0, 64 * 1024, 64, SECT_4K) },
{
"w25q32dw", INFO(0xef6016, 0, 64 * 1024, 64,
-@@ -1192,6 +1216,53 @@ static const struct flash_info *spi_nor_read_id(struct spi_nor *nor)
+@@ -1192,6 +1216,53 @@ static const struct flash_info *spi_nor_
id[0], id[1], id[2]);
return ERR_PTR(-ENODEV);
}
static int spi_nor_read(struct mtd_info *mtd, loff_t from, size_t len,
size_t *retlen, u_char *buf)
-@@ -1411,7 +1482,7 @@ static int macronix_quad_enable(struct spi_nor *nor)
+@@ -1411,7 +1482,7 @@ static int macronix_quad_enable(struct s
* Write status Register and configuration register with 2 bytes
* The first byte will be written to the status register, while the
* second byte will be written to the configuration register.
*/
static int write_sr_cr(struct spi_nor *nor, u16 val)
{
-@@ -1459,6 +1530,24 @@ static int spansion_quad_enable(struct spi_nor *nor)
+@@ -1459,6 +1530,24 @@ static int spansion_quad_enable(struct s
return 0;
}
static int set_quad_mode(struct spi_nor *nor, const struct flash_info *info)
{
int status;
-@@ -1604,9 +1693,25 @@ int spi_nor_scan(struct spi_nor *nor, const char *name, enum read_mode mode)
+@@ -1604,9 +1693,25 @@ int spi_nor_scan(struct spi_nor *nor, co
write_sr(nor, 0);
spi_nor_wait_till_ready(nor);
}
mtd->priv = nor;
mtd->type = MTD_NORFLASH;
mtd->writesize = 1;
-@@ -1639,6 +1744,8 @@ int spi_nor_scan(struct spi_nor *nor, const char *name, enum read_mode mode)
+@@ -1639,6 +1744,8 @@ int spi_nor_scan(struct spi_nor *nor, co
nor->flags |= SNOR_F_USE_FSR;
if (info->flags & SPI_NOR_HAS_TB)
nor->flags |= SNOR_F_HAS_SR_TB;
#ifdef CONFIG_MTD_SPI_NOR_USE_4K_SECTORS
/* prefer "small sector" erase if possible */
-@@ -1676,9 +1783,15 @@ int spi_nor_scan(struct spi_nor *nor, const char *name, enum read_mode mode)
+@@ -1676,9 +1783,15 @@ int spi_nor_scan(struct spi_nor *nor, co
/* Some devices cannot do fast-read, no matter what DT tells us */
if (info->flags & SPI_NOR_NO_FR)
nor->flash_read = SPI_NOR_NORMAL;
ret = set_quad_mode(nor, info);
if (ret) {
dev_err(dev, "quad mode not supported\n");
-@@ -1691,6 +1804,9 @@ int spi_nor_scan(struct spi_nor *nor, const char *name, enum read_mode mode)
+@@ -1691,6 +1804,9 @@ int spi_nor_scan(struct spi_nor *nor, co
/* Default commands */
switch (nor->flash_read) {
case SPI_NOR_QUAD:
nor->read_opcode = SPINOR_OP_READ_1_1_4;
break;
-diff --git a/include/linux/mtd/spi-nor.h b/include/linux/mtd/spi-nor.h
-index f2a71803..5003ff64 100644
--- a/include/linux/mtd/spi-nor.h
+++ b/include/linux/mtd/spi-nor.h
@@ -31,10 +31,10 @@
int (*prepare)(struct spi_nor *nor, enum spi_nor_ops ops);
void (*unprepare)(struct spi_nor *nor, enum spi_nor_ops ops);
---
-2.14.1
-
projects / openwrt / staging / hauke.git / blobdiff