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| author | Peng Fan <Peng.Fan@freescale.com> | 2014-12-31 11:01:38 +0800 |
|---|---|---|
| committer | Jagannadha Sutradharudu Teki <jagannadh.teki@gmail.com> | 2014-12-31 14:52:32 +0530 |
| commit | b93ab2ee751a4a0231330a89e2f2f29963b434d0 (patch) | |
| tree | ff1294c78d954dbe2ffcb006bcc9dc21552eb347 /drivers/spi | |
| parent | ed0c81c654209a2af71393e8756d94c7e944646b (diff) | |
| download | talos-obmc-uboot-b93ab2ee751a4a0231330a89e2f2f29963b434d0.tar.gz talos-obmc-uboot-b93ab2ee751a4a0231330a89e2f2f29963b434d0.zip | |
arm:mx6sx add QSPI support
Add QSPI support for mx6solox.
Signed-off-by: Peng Fan <Peng.Fan@freescale.com>
Reviewed-by: Jagannadha Sutradharudu Teki <jagannadh.teki@gmail.com>
Diffstat (limited to 'drivers/spi')
| -rw-r--r-- | drivers/spi/fsl_qspi.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/spi/fsl_qspi.c b/drivers/spi/fsl_qspi.c index eae2f3acc6..e9c45de06d 100644 --- a/drivers/spi/fsl_qspi.c +++ b/drivers/spi/fsl_qspi.c @@ -14,7 +14,11 @@ #include "fsl_qspi.h" #define RX_BUFFER_SIZE 0x80 +#ifdef CONFIG_MX6SX +#define TX_BUFFER_SIZE 0x200 +#else #define TX_BUFFER_SIZE 0x40 +#endif #define OFFSET_BITS_MASK 0x00ffffff @@ -53,10 +57,16 @@ static unsigned long spi_bases[] = { QSPI0_BASE_ADDR, +#ifdef CONFIG_MX6SX + QSPI1_BASE_ADDR, +#endif }; static unsigned long amba_bases[] = { QSPI0_AMBA_BASE, +#ifdef CONFIG_MX6SX + QSPI1_AMBA_BASE, +#endif }; struct fsl_qspi { @@ -159,8 +169,17 @@ static void qspi_set_lut(struct fsl_qspi *qspi) qspi_write32(®s->lut[lut_base], OPRND0(QSPI_CMD_PP_4B) | PAD0(LUT_PAD1) | INSTR0(LUT_CMD) | OPRND1(ADDR32BIT) | PAD1(LUT_PAD1) | INSTR1(LUT_ADDR)); +#ifdef CONFIG_MX6SX + /* + * To MX6SX, OPRND0(TX_BUFFER_SIZE) can not work correctly. + * So, Use IDATSZ in IPCR to determine the size and here set 0. + */ + qspi_write32(®s->lut[lut_base + 1], OPRND0(0) | + PAD0(LUT_PAD1) | INSTR0(LUT_WRITE)); +#else qspi_write32(®s->lut[lut_base + 1], OPRND0(TX_BUFFER_SIZE) | PAD0(LUT_PAD1) | INSTR0(LUT_WRITE)); +#endif qspi_write32(®s->lut[lut_base + 2], 0); qspi_write32(®s->lut[lut_base + 3], 0); |
