diff options
Diffstat (limited to 'target/linux/layerscape/patches-4.4/1101-mtd-spi-nor-fsl-quadspi-extend-support-for-some-spec.patch')
| -rw-r--r-- | target/linux/layerscape/patches-4.4/1101-mtd-spi-nor-fsl-quadspi-extend-support-for-some-spec.patch | 122 |
1 files changed, 0 insertions, 122 deletions
diff --git a/target/linux/layerscape/patches-4.4/1101-mtd-spi-nor-fsl-quadspi-extend-support-for-some-spec.patch b/target/linux/layerscape/patches-4.4/1101-mtd-spi-nor-fsl-quadspi-extend-support-for-some-spec.patch deleted file mode 100644 index 471ce42..0000000 --- a/target/linux/layerscape/patches-4.4/1101-mtd-spi-nor-fsl-quadspi-extend-support-for-some-spec.patch +++ /dev/null @@ -1,122 +0,0 @@ -From acfc6e9b34b3b3ca0d8bbe366dd08b0fac21c740 Mon Sep 17 00:00:00 2001 -From: Yunhui Cui <yunhui.cui@nxp.com> -Date: Tue, 2 Feb 2016 12:21:12 +0800 -Subject: [PATCH 101/113] mtd: spi-nor: fsl-quadspi: extend support for some - special requerment. - -Add extra info in LUT table to support some special requerments. -Spansion S25FS-S family flash need some special operations. - -Signed-off-by: Yunhui Cui <yunhui.cui@nxp.com> ---- - drivers/mtd/spi-nor/fsl-quadspi.c | 44 +++++++++++++++++++++++++++++++++++-- - include/linux/mtd/spi-nor.h | 4 ++++ - 2 files changed, 46 insertions(+), 2 deletions(-) - ---- a/drivers/mtd/spi-nor/fsl-quadspi.c -+++ b/drivers/mtd/spi-nor/fsl-quadspi.c -@@ -205,6 +205,9 @@ - #define SEQID_RDCR 9 - #define SEQID_EN4B 10 - #define SEQID_BRWR 11 -+#define SEQID_RDAR 12 -+#define SEQID_WRAR 13 -+ - - #define QUADSPI_MIN_IOMAP SZ_4M - -@@ -470,6 +473,28 @@ static void fsl_qspi_init_lut(struct fsl - qspi_writel(q, LUT0(CMD, PAD1, SPINOR_OP_BRWR), - base + QUADSPI_LUT(lut_base)); - -+ /* -+ * Read any device register. -+ * Used for Spansion S25FS-S family flash only. -+ */ -+ lut_base = SEQID_RDAR * 4; -+ qspi_writel(q, LUT0(CMD, PAD1, SPINOR_OP_SPANSION_RDAR) | -+ LUT1(ADDR, PAD1, ADDR24BIT), -+ base + QUADSPI_LUT(lut_base)); -+ qspi_writel(q, LUT0(DUMMY, PAD1, 8) | LUT1(FSL_READ, PAD1, 1), -+ base + QUADSPI_LUT(lut_base + 1)); -+ -+ /* -+ * Write any device register. -+ * Used for Spansion S25FS-S family flash only. -+ */ -+ lut_base = SEQID_WRAR * 4; -+ qspi_writel(q, LUT0(CMD, PAD1, SPINOR_OP_SPANSION_WRAR) | -+ LUT1(ADDR, PAD1, ADDR24BIT), -+ base + QUADSPI_LUT(lut_base)); -+ qspi_writel(q, LUT0(FSL_WRITE, PAD1, 1), -+ base + QUADSPI_LUT(lut_base + 1)); -+ - fsl_qspi_lock_lut(q); - } - -@@ -477,9 +502,15 @@ 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_READ4_1_1_4: - case SPINOR_OP_READ_1_1_4: - case SPINOR_OP_READ_FAST: -+ case SPINOR_OP_READ4_FAST: - return SEQID_READ; -+ case SPINOR_OP_SPANSION_RDAR: -+ return SEQID_RDAR; -+ case SPINOR_OP_SPANSION_WRAR: -+ return SEQID_WRAR; - case SPINOR_OP_WREN: - return SEQID_WREN; - case SPINOR_OP_WRDI: -@@ -491,6 +522,7 @@ static int fsl_qspi_get_seqid(struct fsl - case SPINOR_OP_CHIP_ERASE: - return SEQID_CHIP_ERASE; - case SPINOR_OP_PP: -+ case SPINOR_OP_PP_4B: - return SEQID_PP; - case SPINOR_OP_RDID: - return SEQID_RDID; -@@ -830,8 +862,12 @@ static int fsl_qspi_read_reg(struct spi_ - { - int ret; - struct fsl_qspi *q = nor->priv; -+ u32 to = 0; -+ -+ if (opcode == SPINOR_OP_SPANSION_RDAR) -+ memcpy(&to, nor->cmd_buf, 4); - -- ret = fsl_qspi_runcmd(q, opcode, 0, len); -+ ret = fsl_qspi_runcmd(q, opcode, to, len); - if (ret) - return ret; - -@@ -843,9 +879,13 @@ static int fsl_qspi_write_reg(struct spi - { - struct fsl_qspi *q = nor->priv; - int ret; -+ u32 to = 0; -+ -+ if (opcode == SPINOR_OP_SPANSION_WRAR) -+ memcpy(&to, nor->cmd_buf, 4); - - if (!buf) { -- ret = fsl_qspi_runcmd(q, opcode, 0, 1); -+ ret = fsl_qspi_runcmd(q, opcode, to, 1); - if (ret) - return ret; - ---- a/include/linux/mtd/spi-nor.h -+++ b/include/linux/mtd/spi-nor.h -@@ -74,6 +74,10 @@ - /* Used for Spansion flashes only. */ - #define SPINOR_OP_BRWR 0x17 /* Bank register write */ - -+/* Used for Spansion S25FS-S family flash only. */ -+#define SPINOR_OP_SPANSION_RDAR 0x65 /* Read any device register */ -+#define SPINOR_OP_SPANSION_WRAR 0x71 /* Write any device register */ -+ - /* Used for Micron flashes only. */ - #define SPINOR_OP_RD_EVCR 0x65 /* Read EVCR register */ - #define SPINOR_OP_WD_EVCR 0x61 /* Write EVCR register */ |