From be9165b9fdcf2a18ee201ffdaf8d69801387eb91 Mon Sep 17 00:00:00 2001 From: Kuldeep Singh Date: Tue, 18 Feb 2020 10:42:50 +0800 Subject: [PATCH] spi: spi-fsl-qspi: Introduce variable to fix different invalid master Id Different platforms have different Master with different SourceID on AHB bus. The 0X0E Master ID is used by cluster 3 in case of LS2088A. So, patch introduce an invalid master id variable to fix invalid mastered on different platforms. Signed-off-by: Suresh Gupta Signed-off-by: Kuldeep Singh [rebase] Signed-off-by: Yangbo Lu --- drivers/spi/spi-fsl-qspi.c | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) --- a/drivers/spi/spi-fsl-qspi.c +++ b/drivers/spi/spi-fsl-qspi.c @@ -68,6 +68,11 @@ #define QUADSPI_FLSHCR_TCSH_MASK GENMASK(11, 8) #define QUADSPI_FLSHCR_TDH_MASK GENMASK(17, 16) +#define QUADSPI_BUF0CR 0x10 +#define QUADSPI_BUF1CR 0x14 +#define QUADSPI_BUF2CR 0x18 +#define QUADSPI_BUFXCR_INVALID_MSTRID 0xe + #define QUADSPI_BUF3CR 0x1c #define QUADSPI_BUF3CR_ALLMST_MASK BIT(31) #define QUADSPI_BUF3CR_ADATSZ(x) ((x) << 8) @@ -197,6 +202,7 @@ struct fsl_qspi_devtype_data { unsigned int rxfifo; unsigned int txfifo; + int invalid_mstrid; unsigned int ahb_buf_size; unsigned int quirks; bool little_endian; @@ -205,6 +211,7 @@ struct fsl_qspi_devtype_data { static const struct fsl_qspi_devtype_data vybrid_data = { .rxfifo = SZ_128, .txfifo = SZ_64, + .invalid_mstrid = QUADSPI_BUFXCR_INVALID_MSTRID, .ahb_buf_size = SZ_1K, .quirks = QUADSPI_QUIRK_SWAP_ENDIAN, .little_endian = true, @@ -213,6 +220,7 @@ static const struct fsl_qspi_devtype_dat static const struct fsl_qspi_devtype_data imx6sx_data = { .rxfifo = SZ_128, .txfifo = SZ_512, + .invalid_mstrid = QUADSPI_BUFXCR_INVALID_MSTRID, .ahb_buf_size = SZ_1K, .quirks = QUADSPI_QUIRK_4X_INT_CLK | QUADSPI_QUIRK_TKT245618, .little_endian = true, @@ -221,6 +229,7 @@ static const struct fsl_qspi_devtype_dat static const struct fsl_qspi_devtype_data imx7d_data = { .rxfifo = SZ_128, .txfifo = SZ_512, + .invalid_mstrid = QUADSPI_BUFXCR_INVALID_MSTRID, .ahb_buf_size = SZ_1K, .quirks = QUADSPI_QUIRK_TKT253890 | QUADSPI_QUIRK_4X_INT_CLK | QUADSPI_QUIRK_USE_TDH_SETTING, @@ -230,6 +239,7 @@ static const struct fsl_qspi_devtype_dat static const struct fsl_qspi_devtype_data imx6ul_data = { .rxfifo = SZ_128, .txfifo = SZ_512, + .invalid_mstrid = QUADSPI_BUFXCR_INVALID_MSTRID, .ahb_buf_size = SZ_1K, .quirks = QUADSPI_QUIRK_TKT253890 | QUADSPI_QUIRK_4X_INT_CLK | QUADSPI_QUIRK_USE_TDH_SETTING, @@ -239,6 +249,7 @@ static const struct fsl_qspi_devtype_dat static const struct fsl_qspi_devtype_data ls1021a_data = { .rxfifo = SZ_128, .txfifo = SZ_64, + .invalid_mstrid = QUADSPI_BUFXCR_INVALID_MSTRID, .ahb_buf_size = SZ_1K, .quirks = 0, .little_endian = false, @@ -248,6 +259,7 @@ static const struct fsl_qspi_devtype_dat .rxfifo = SZ_128, .txfifo = SZ_64, .ahb_buf_size = SZ_1K, + .invalid_mstrid = 0x0, .quirks = QUADSPI_QUIRK_TKT253890 | QUADSPI_QUIRK_BASE_INTERNAL, .little_endian = true, }; @@ -661,6 +673,7 @@ static int fsl_qspi_exec_op(struct spi_m void __iomem *base = q->iobase; u32 addr_offset = 0; int err = 0; + int invalid_mstrid = q->devtype_data->invalid_mstrid; mutex_lock(&q->lock); @@ -684,6 +697,10 @@ static int fsl_qspi_exec_op(struct spi_m qspi_writel(q, QUADSPI_SPTRCLR_BFPTRC | QUADSPI_SPTRCLR_IPPTRC, base + QUADSPI_SPTRCLR); + qspi_writel(q, invalid_mstrid, base + QUADSPI_BUF0CR); + qspi_writel(q, invalid_mstrid, base + QUADSPI_BUF1CR); + qspi_writel(q, invalid_mstrid, base + QUADSPI_BUF2CR); + fsl_qspi_prepare_lut(q, op); /*