summaryrefslogtreecommitdiff
path: root/drivers/mtd/spi-nor
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/mtd/spi-nor')
-rw-r--r--drivers/mtd/spi-nor/fsl-quadspi.c23
-rw-r--r--drivers/mtd/spi-nor/spi-nor.c7
2 files changed, 21 insertions, 9 deletions
diff --git a/drivers/mtd/spi-nor/fsl-quadspi.c b/drivers/mtd/spi-nor/fsl-quadspi.c
index f769c5add3aa..50f3b085b227 100644
--- a/drivers/mtd/spi-nor/fsl-quadspi.c
+++ b/drivers/mtd/spi-nor/fsl-quadspi.c
@@ -164,15 +164,15 @@
#define LUT_MODE 4
#define LUT_MODE2 5
#define LUT_MODE4 6
-#define LUT_READ 7
-#define LUT_WRITE 8
+#define LUT_FSL_READ 7
+#define LUT_FSL_WRITE 8
#define LUT_JMP_ON_CS 9
#define LUT_ADDR_DDR 10
#define LUT_MODE_DDR 11
#define LUT_MODE2_DDR 12
#define LUT_MODE4_DDR 13
-#define LUT_READ_DDR 14
-#define LUT_WRITE_DDR 15
+#define LUT_FSL_READ_DDR 14
+#define LUT_FSL_WRITE_DDR 15
#define LUT_DATA_LEARN 16
/*
@@ -449,6 +449,11 @@ static void fsl_qspi_init_lut(struct fsl_qspi *q)
}
}
+ writel(LUT0(CMD, PAD1, cmd) | LUT1(ADDR, PAD1, addrlen),
+ base + QUADSPI_LUT(lut_base));
+ writel(LUT0(DUMMY, PAD1, dummy) | LUT1(FSL_READ, PAD4, rxfifo),
+ base + QUADSPI_LUT(lut_base + 1));
+
/* Write enable */
lut_base = SEQID_WREN * 4;
writel(LUT0(CMD, PAD1, SPINOR_OP_WREN), base + QUADSPI_LUT(lut_base));
@@ -457,11 +462,11 @@ static void fsl_qspi_init_lut(struct fsl_qspi *q)
lut_base = SEQID_PP * 4;
writel(LUT0(CMD, PAD1, nor->program_opcode) | LUT1(ADDR, PAD1, addrlen),
base + QUADSPI_LUT(lut_base));
- writel(LUT0(WRITE, PAD1, 0), base + QUADSPI_LUT(lut_base + 1));
+ writel(LUT0(FSL_WRITE, PAD1, 0), base + QUADSPI_LUT(lut_base + 1));
/* Read Status */
lut_base = SEQID_RDSR * 4;
- writel(LUT0(CMD, PAD1, SPINOR_OP_RDSR) | LUT1(READ, PAD1, 0x1),
+ writel(LUT0(CMD, PAD1, SPINOR_OP_RDSR) | LUT1(FSL_READ, PAD1, 0x1),
base + QUADSPI_LUT(lut_base));
/* Erase a sector */
@@ -476,17 +481,17 @@ static void fsl_qspi_init_lut(struct fsl_qspi *q)
/* READ ID */
lut_base = SEQID_RDID * 4;
- writel(LUT0(CMD, PAD1, SPINOR_OP_RDID) | LUT1(READ, PAD1, 0x8),
+ writel(LUT0(CMD, PAD1, SPINOR_OP_RDID) | LUT1(FSL_READ, PAD1, 0x8),
base + QUADSPI_LUT(lut_base));
/* Write Register */
lut_base = SEQID_WRSR * 4;
- writel(LUT0(CMD, PAD1, SPINOR_OP_WRSR) | LUT1(WRITE, PAD1, 0x2),
+ writel(LUT0(CMD, PAD1, SPINOR_OP_WRSR) | LUT1(FSL_WRITE, PAD1, 0x2),
base + QUADSPI_LUT(lut_base));
/* Read Configuration Register */
lut_base = SEQID_RDCR * 4;
- writel(LUT0(CMD, PAD1, SPINOR_OP_RDCR) | LUT1(READ, PAD1, 0x1),
+ writel(LUT0(CMD, PAD1, SPINOR_OP_RDCR) | LUT1(FSL_READ, PAD1, 0x1),
base + QUADSPI_LUT(lut_base));
/* Write disable */
diff --git a/drivers/mtd/spi-nor/spi-nor.c b/drivers/mtd/spi-nor/spi-nor.c
index e8b977c886f6..91d040bd7301 100644
--- a/drivers/mtd/spi-nor/spi-nor.c
+++ b/drivers/mtd/spi-nor/spi-nor.c
@@ -916,6 +916,13 @@ static int spansion_quad_enable(struct spi_nor *nor)
return -EINVAL;
}
+ ret = spi_nor_wait_till_ready(nor);
+ if (ret) {
+ dev_err(nor->dev,
+ "timeout while writing configuration register\n");
+ return ret;
+ }
+
/* read back and check it */
ret = read_cr(nor);
if (!(ret > 0 && (ret & CR_QUAD_EN_SPAN))) {