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| author | Furquan Shaikh <furquan@google.com> | 2016-06-20 16:38:24 -0700 |
|---|---|---|
| committer | Furquan Shaikh <furquan@google.com> | 2016-06-21 20:25:28 +0200 |
| commit | d3f4c5be8b52638a55997a7d5b6254c39be47830 (patch) | |
| tree | 7a228be813a9b02b65af48588c00bb555ea9e7bc /src/soc/intel/apollolake/spi.c | |
| parent | 2b57691ce0dcb06d6d8677393f76006c363d5856 (diff) | |
| download | coreboot-d3f4c5be8b52638a55997a7d5b6254c39be47830.tar.xz | |
intel/apollolake: Rename _spi_reg_read/write to _spi_ctrlr_read/write
This makes it clearer that the read/write operations are being performed
on the host controllers registers.
Change-Id: Id63d778a4a03c461d97e535c34b85ada3ae469de
Signed-off-by: Furquan Shaikh <furquan@google.com>
Reviewed-on: https://review.coreboot.org/15281
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Diffstat (limited to 'src/soc/intel/apollolake/spi.c')
| -rw-r--r-- | src/soc/intel/apollolake/spi.c | 17 |
1 files changed, 10 insertions, 7 deletions
diff --git a/src/soc/intel/apollolake/spi.c b/src/soc/intel/apollolake/spi.c index 58c566dee6..879b3a34a9 100644 --- a/src/soc/intel/apollolake/spi.c +++ b/src/soc/intel/apollolake/spi.c @@ -64,14 +64,15 @@ static void _spi_get_ctx(struct spi_ctx *ctx) } /* Read register from the SPI controller. 'reg' is the register offset. */ -static uint32_t _spi_reg_read(struct spi_ctx *ctx, uint16_t reg) +static uint32_t _spi_ctrlr_reg_read(struct spi_ctx *ctx, uint16_t reg) { uintptr_t addr = ALIGN_DOWN(ctx->mmio_base + reg, 4); return read32((void *)addr); } /* Write to register in the SPI controller. 'reg' is the register offset. */ -static void _spi_reg_write(struct spi_ctx *ctx, uint16_t reg, uint32_t val) +static void _spi_ctrlr_reg_write(struct spi_ctx *ctx, uint16_t reg, + uint32_t val) { uintptr_t addr = ALIGN_DOWN(ctx->mmio_base + reg, 4); write32((void *)addr, val); @@ -92,8 +93,9 @@ static void _spi_reg_write(struct spi_ctx *ctx, uint16_t reg, uint32_t val) static uint32_t read_spi_sfdp_param(struct spi_ctx *ctx, uint16_t sfdp_reg) { uint32_t ptinx_index = sfdp_reg & SPIBAR_PTINX_IDX_MASK; - _spi_reg_write(ctx, SPIBAR_PTINX, ptinx_index | SPIBAR_PTINX_HORD_JEDEC); - return _spi_reg_read(ctx, SPIBAR_PTDATA); + _spi_ctrlr_reg_write(ctx, SPIBAR_PTINX, + ptinx_index | SPIBAR_PTINX_HORD_JEDEC); + return _spi_ctrlr_reg_read(ctx, SPIBAR_PTDATA); } /* Fill FDATAn FIFO in preparation for a write transaction. */ @@ -124,8 +126,9 @@ static void start_hwseq_xfer(struct spi_ctx *ctx, uint32_t hsfsts_cycle, hsfsts |= hsfsts_cycle & SPIBAR_HSFSTS_FCYCLE_MASK; hsfsts |= SPIBAR_HSFSTS_FBDC(len - 1); - _spi_reg_write(ctx, SPIBAR_FADDR, flash_addr); - _spi_reg_write(ctx, SPIBAR_HSFSTS_CTL, hsfsts | SPIBAR_HSFSTS_FGO); + _spi_ctrlr_reg_write(ctx, SPIBAR_FADDR, flash_addr); + _spi_ctrlr_reg_write(ctx, SPIBAR_HSFSTS_CTL, + hsfsts | SPIBAR_HSFSTS_FGO); } static void print_xfer_error(struct spi_ctx *ctx, const char *failure_reason, @@ -140,7 +143,7 @@ static int wait_for_hwseq_xfer(struct spi_ctx *ctx) { uint32_t hsfsts; do { - hsfsts = _spi_reg_read(ctx, SPIBAR_HSFSTS_CTL); + hsfsts = _spi_ctrlr_reg_read(ctx, SPIBAR_HSFSTS_CTL); if (hsfsts & SPIBAR_HSFSTS_FCERR) { ctx->hsfsts_on_last_error = hsfsts; |