diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/include/spi-generic.h | 17 | ||||
| -rw-r--r-- | src/soc/intel/baytrail/spi.c | 10 | ||||
| -rw-r--r-- | src/soc/intel/fsp_baytrail/spi.c | 10 | ||||
| -rw-r--r-- | src/soc/nvidia/tegra124/spi.c | 24 | ||||
| -rw-r--r-- | src/soc/samsung/exynos5420/spi.c | 16 | ||||
| -rw-r--r-- | src/southbridge/amd/agesa/hudson/spi.c | 8 | ||||
| -rw-r--r-- | src/southbridge/amd/cimx/sb800/spi.c | 8 | ||||
| -rw-r--r-- | src/southbridge/intel/common/spi.c | 10 | ||||
| -rw-r--r-- | src/southbridge/intel/fsp_rangeley/spi.c | 10 |
9 files changed, 10 insertions, 103 deletions
diff --git a/src/include/spi-generic.h b/src/include/spi-generic.h index 931376db3e..bd0020f5d2 100644 --- a/src/include/spi-generic.h +++ b/src/include/spi-generic.h @@ -117,23 +117,6 @@ int spi_xfer(struct spi_slave *slave, const void *dout, unsigned int bytesout, void *din, unsigned int bytesin); -/*----------------------------------------------------------------------- - * Activate a SPI chipselect. - * This function is provided by the board code when using a driver - * that can't control its chipselects automatically (e.g. - * common/soft_spi.c). When called, it should activate the chip select - * to the device identified by "slave". - */ -void spi_cs_activate(struct spi_slave *slave); - -/*----------------------------------------------------------------------- - * Deactivate a SPI chipselect. - * This function is provided by the board code when using a driver - * that can't control its chipselects automatically (e.g. - * common/soft_spi.c). When called, it should deactivate the chip - * select to the device identified by "slave". - */ -void spi_cs_deactivate(struct spi_slave *slave); unsigned int spi_crop_chunk(unsigned int cmd_len, unsigned int buf_len); diff --git a/src/soc/intel/baytrail/spi.c b/src/soc/intel/baytrail/spi.c index 7dd21e849e..64aeb9bcc9 100644 --- a/src/soc/intel/baytrail/spi.c +++ b/src/soc/intel/baytrail/spi.c @@ -327,16 +327,6 @@ void spi_release_bus(struct spi_slave *slave) /* Handled by ICH automatically. */ } -void spi_cs_activate(struct spi_slave *slave) -{ - /* Handled by ICH automatically. */ -} - -void spi_cs_deactivate(struct spi_slave *slave) -{ - /* Handled by ICH automatically. */ -} - typedef struct spi_transaction { const uint8_t *out; uint32_t bytesout; diff --git a/src/soc/intel/fsp_baytrail/spi.c b/src/soc/intel/fsp_baytrail/spi.c index f62164a4a2..0c3c63d8da 100644 --- a/src/soc/intel/fsp_baytrail/spi.c +++ b/src/soc/intel/fsp_baytrail/spi.c @@ -325,16 +325,6 @@ void spi_release_bus(struct spi_slave *slave) /* Handled by ICH automatically. */ } -void spi_cs_activate(struct spi_slave *slave) -{ - /* Handled by ICH automatically. */ -} - -void spi_cs_deactivate(struct spi_slave *slave) -{ - /* Handled by ICH automatically. */ -} - typedef struct spi_transaction { const uint8_t *out; uint32_t bytesout; diff --git a/src/soc/nvidia/tegra124/spi.c b/src/soc/nvidia/tegra124/spi.c index 7ad771633c..841a3c109b 100644 --- a/src/soc/nvidia/tegra124/spi.c +++ b/src/soc/nvidia/tegra124/spi.c @@ -212,11 +212,13 @@ static unsigned int tegra_spi_speed(unsigned int bus) return 50000000; } -void spi_cs_activate(struct spi_slave *slave) +int spi_claim_bus(struct spi_slave *slave) { struct tegra_spi_regs *regs = to_tegra_spi(slave->bus)->regs; u32 val; + tegra_spi_init(slave->bus); + val = read32(®s->command1); /* select appropriate chip-select line */ @@ -230,9 +232,10 @@ void spi_cs_activate(struct spi_slave *slave) val |= SPI_CMD1_CS_SW_VAL; write32(val, ®s->command1); + return 0; } -void spi_cs_deactivate(struct spi_slave *slave) +void spi_release_bus(struct spi_slave *slave) { struct tegra_spi_regs *regs = to_tegra_spi(slave->bus)->regs; u32 val; @@ -848,8 +851,7 @@ static size_t tegra_spi_cbfs_read(struct cbfs_media *media, void *dest, spi_read_cmd[2] = (offset >> 8) & 0xff; spi_read_cmd[3] = offset & 0xff; - /* assert /CS */ - spi_cs_activate(spi->slave); + spi_claim_bus(spi->slave); if (spi_xfer(spi->slave, spi_read_cmd, read_cmd_bytes, NULL, 0) < 0) { @@ -872,7 +874,7 @@ static size_t tegra_spi_cbfs_read(struct cbfs_media *media, void *dest, tegra_spi_cbfs_read_exit: /* de-assert /CS */ - spi_cs_deactivate(spi->slave); + spi_release_bus(spi->slave); return (ret < 0) ? 0 : ret; } @@ -933,15 +935,3 @@ struct spi_slave *spi_setup_slave(unsigned int bus, unsigned int cs) return &channel->slave; } - -int spi_claim_bus(struct spi_slave *slave) -{ - tegra_spi_init(slave->bus); - spi_cs_activate(slave); - return 0; -} - -void spi_release_bus(struct spi_slave *slave) -{ - spi_cs_deactivate(slave); -} diff --git a/src/soc/samsung/exynos5420/spi.c b/src/soc/samsung/exynos5420/spi.c index 31611e3ed6..36742a7279 100644 --- a/src/soc/samsung/exynos5420/spi.c +++ b/src/soc/samsung/exynos5420/spi.c @@ -133,22 +133,11 @@ struct spi_slave *spi_setup_slave(unsigned int bus, unsigned int cs) return &eslave->slave; } -void spi_cs_activate(struct spi_slave *slave) +int spi_claim_bus(struct spi_slave *slave) { struct exynos_spi *regs = to_exynos_spi(slave)->regs; // TODO(hungte) Add some delay if too many transactions happen at once. clrbits_le32(®s->cs_reg, SPI_SLAVE_SIG_INACT); -} - -void spi_cs_deactivate(struct spi_slave *slave) -{ - struct exynos_spi *regs = to_exynos_spi(slave)->regs; - setbits_le32(®s->cs_reg, SPI_SLAVE_SIG_INACT); -} - -int spi_claim_bus(struct spi_slave *slave) -{ - spi_cs_activate(slave); return 0; } @@ -231,7 +220,8 @@ int spi_xfer(struct spi_slave *slave, const void *dout, unsigned int bytes_out, void spi_release_bus(struct spi_slave *slave) { - spi_cs_deactivate(slave); + struct exynos_spi *regs = to_exynos_spi(slave)->regs; + setbits_le32(®s->cs_reg, SPI_SLAVE_SIG_INACT); } static int exynos_spi_read(struct spi_slave *slave, void *dest, uint32_t len, diff --git a/src/southbridge/amd/agesa/hudson/spi.c b/src/southbridge/amd/agesa/hudson/spi.c index bbf6dd3ee2..735ab7ed16 100644 --- a/src/southbridge/amd/agesa/hudson/spi.c +++ b/src/southbridge/amd/agesa/hudson/spi.c @@ -182,14 +182,6 @@ void spi_release_bus(struct spi_slave *slave) #endif } -void spi_cs_activate(struct spi_slave *slave) -{ -} - -void spi_cs_deactivate(struct spi_slave *slave) -{ -} - struct spi_slave *spi_setup_slave(unsigned int bus, unsigned int cs) { struct spi_slave *slave = malloc(sizeof(*slave)); diff --git a/src/southbridge/amd/cimx/sb800/spi.c b/src/southbridge/amd/cimx/sb800/spi.c index f38e691254..c84eee20c2 100644 --- a/src/southbridge/amd/cimx/sb800/spi.c +++ b/src/southbridge/amd/cimx/sb800/spi.c @@ -174,14 +174,6 @@ void spi_release_bus(struct spi_slave *slave) #endif } -void spi_cs_activate(struct spi_slave *slave) -{ -} - -void spi_cs_deactivate(struct spi_slave *slave) -{ -} - struct spi_slave *spi_setup_slave(unsigned int bus, unsigned int cs) { struct spi_slave *slave = malloc(sizeof(*slave)); diff --git a/src/southbridge/intel/common/spi.c b/src/southbridge/intel/common/spi.c index c35e8b7413..48c72b7737 100644 --- a/src/southbridge/intel/common/spi.c +++ b/src/southbridge/intel/common/spi.c @@ -371,16 +371,6 @@ void spi_release_bus(struct spi_slave *slave) /* Handled by ICH automatically. */ } -void spi_cs_activate(struct spi_slave *slave) -{ - /* Handled by ICH automatically. */ -} - -void spi_cs_deactivate(struct spi_slave *slave) -{ - /* Handled by ICH automatically. */ -} - typedef struct spi_transaction { const uint8_t *out; uint32_t bytesout; diff --git a/src/southbridge/intel/fsp_rangeley/spi.c b/src/southbridge/intel/fsp_rangeley/spi.c index 33f645945f..ee22019ade 100644 --- a/src/southbridge/intel/fsp_rangeley/spi.c +++ b/src/southbridge/intel/fsp_rangeley/spi.c @@ -447,16 +447,6 @@ void spi_release_bus(struct spi_slave *slave) /* Handled by ICH automatically. */ } -void spi_cs_activate(struct spi_slave *slave) -{ - /* Handled by ICH automatically. */ -} - -void spi_cs_deactivate(struct spi_slave *slave) -{ - /* Handled by ICH automatically. */ -} - typedef struct spi_transaction { const uint8_t *out; uint32_t bytesout; |