diff options
| author | Furquan Shaikh <furquan@google.com> | 2020-04-28 18:55:59 -0700 |
|---|---|---|
| committer | Furquan Shaikh <furquan@google.com> | 2020-04-30 20:59:58 +0000 |
| commit | 173c7c459473d35ff10c2d99daa54cec940402a8 (patch) | |
| tree | 716213c8cab63697722f53ee9b917878e031ea2f /src/soc/amd | |
| parent | a0284db08df3e0150202fd1cfc8c2c675c19f4de (diff) | |
soc/amd/picasso: Move SPI init calls into sb_spi_init()
This change adds a helper sb_spi_init() that makes all the required
calls for configuring SPI to ROM.
BUG=b:147758054,b:153675510
BRANCH=trembyle-bringup
TEST=Verified that SPI configuration is correct for trembyle.
Signed-off-by: Furquan Shaikh <furquan@google.com>
Change-Id: Ic5b395a8d3bdab449c24b05d1b6b8777e128b5e0
Reviewed-on: https://review.coreboot.org/c/coreboot/+/40824
Reviewed-by: Raul Rangel <rrangel@chromium.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/soc/amd')
| -rw-r--r-- | src/soc/amd/picasso/southbridge.c | 20 |
1 files changed, 15 insertions, 5 deletions
diff --git a/src/soc/amd/picasso/southbridge.c b/src/soc/amd/picasso/southbridge.c index caf7171c94..c38f373a36 100644 --- a/src/soc/amd/picasso/southbridge.c +++ b/src/soc/amd/picasso/southbridge.c @@ -235,6 +235,20 @@ void sb_read_mode(u32 mode) write32((void *)(base + SPI_CNTRL0), val | SPI_READ_MODE(mode)); } +static void sb_spi_config_modes(void) +{ + sb_set_spi100(SPI_SPEED_33M, SPI_SPEED_33M, + SPI_SPEED_16M, SPI_SPEED_16M); +} + +static void sb_spi_init(void) +{ + lpc_enable_spi_prefetch(); + sb_init_spi_base(); + sb_disable_4dw_burst(); + sb_spi_config_modes(); +} + static void fch_smbus_init(void) { /* 400 kHz smbus speed. */ @@ -260,11 +274,7 @@ void fch_pre_init(void) if (CONFIG(POST_IO) && (CONFIG_POST_IO_PORT == 0x80) && CONFIG(PICASSO_LPC_IOMUX)) lpc_enable_port80(); - lpc_enable_spi_prefetch(); - sb_init_spi_base(); - sb_disable_4dw_burst(); - sb_set_spi100(SPI_SPEED_33M, SPI_SPEED_33M, - SPI_SPEED_16M, SPI_SPEED_16M); + sb_spi_init(); enable_acpimmio_decode_pm04(); fch_smbus_init(); sb_enable_cf9_io(); |