diff options
| author | Furquan Shaikh <furquan@chromium.org> | 2017-05-18 14:44:04 -0700 |
|---|---|---|
| committer | Furquan Shaikh <furquan@google.com> | 2017-05-24 04:40:28 +0200 |
| commit | f8662ca3bc6279e70022a063acda7fc80d72dbff (patch) | |
| tree | 5d615b4cb9b57430385524500fe7cbdbc69a1f99 /src/soc/samsung/exynos5420 | |
| parent | e424a597292f6fbf094042bc44e5ccdc957925f8 (diff) | |
soc/samsung/exynos5420: Move spi driver to use spi_bus_map
This is in preparation to get rid of the strong spi_setup_slave
implemented by different platforms.
BUG=b:38430839
Change-Id: Ic937cbf93b87f5e43f7d70140b47fa97bcd7757e
Signed-off-by: Furquan Shaikh <furquan@chromium.org>
Reviewed-on: https://review.coreboot.org/19777
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-by: Philippe Mathieu-Daudé <philippe.mathieu.daude@gmail.com>
Diffstat (limited to 'src/soc/samsung/exynos5420')
| -rw-r--r-- | src/soc/samsung/exynos5420/spi.c | 33 |
1 files changed, 20 insertions, 13 deletions
diff --git a/src/soc/samsung/exynos5420/spi.c b/src/soc/samsung/exynos5420/spi.c index c2a5828f14..fa53c0f4a0 100644 --- a/src/soc/samsung/exynos5420/spi.c +++ b/src/soc/samsung/exynos5420/spi.c @@ -208,22 +208,11 @@ static void spi_ctrlr_release_bus(const struct spi_slave *slave) setbits_le32(®s->cs_reg, SPI_SLAVE_SIG_INACT); } -static const struct spi_ctrlr spi_ctrlr = { - .claim_bus = spi_ctrlr_claim_bus, - .release_bus = spi_ctrlr_release_bus, - .xfer = spi_ctrlr_xfer, - .max_xfer_size = SPI_CTRLR_DEFAULT_MAX_XFER_SIZE, -}; - -int spi_setup_slave(unsigned int bus, unsigned int cs, struct spi_slave *slave) +static int spi_ctrlr_setup(const struct spi_slave *slave) { - ASSERT(bus >= 0 && bus < 3); + ASSERT(slave->bus >= 0 && slave->bus < 3); struct exynos_spi_slave *eslave; - slave->bus = bus; - slave->cs = cs; - slave->ctrlr = &spi_ctrlr; - eslave = to_exynos_spi(slave); if (!eslave->initialized) { exynos_spi_init(eslave->regs); @@ -232,6 +221,24 @@ int spi_setup_slave(unsigned int bus, unsigned int cs, struct spi_slave *slave) return 0; } +static const struct spi_ctrlr spi_ctrlr = { + .setup = spi_ctrlr_setup, + .claim_bus = spi_ctrlr_claim_bus, + .release_bus = spi_ctrlr_release_bus, + .xfer = spi_ctrlr_xfer, + .max_xfer_size = SPI_CTRLR_DEFAULT_MAX_XFER_SIZE, +}; + +const struct spi_ctrlr_buses spi_ctrlr_bus_map[] = { + { + .ctrlr = &spi_ctrlr, + .bus_start = 0, + .bus_end = 2, + }, +}; + +const size_t spi_ctrlr_bus_map_count = ARRAY_SIZE(spi_ctrlr_bus_map); + static int exynos_spi_read(struct spi_slave *slave, void *dest, uint32_t len, uint32_t off) { |