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soc/amd: make configure_espi_with_mb_hook call conditional 

If a system doesn't use eSPI or has the eSPI interface already
configured in verstage on PSP, not calling configure_espi_with_mb_hook
from fch_pre_init makes it a bit more obvious that the eSPI interface
initialization will be skipped.

Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Change-Id: Ia77b83d56a5dab1bac6cfbbd92d33aa60a9e8b89
Reviewed-on: https://review.coreboot.org/c/coreboot/+/58339
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Raul Rangel <rrangel@chromium.org>
This commit is contained in:
Felix Held 2021-10-14 21:43:11 +02:00 committed by Felix Held
parent f38fbbec2c
commit 4e379a2374
3 changed files with 13 additions and 10 deletions
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8
src/soc/amd/cezanne/early_fch.c
View File

@ -40,8 +40,12 @@ void fch_pre_init(void)
enable_acpimmio_decode_pm04();
/* Setup SPI base by calling lpc_early_init before setting up eSPI. */
lpc_early_init();
/* Setup eSPI to enable port80 routing. */
configure_espi_with_mb_hook();
/* Setup eSPI to enable port80 routing if the board is using eSPI and the eSPI
interface hasn't already been set up in verstage on PSP */
if (CONFIG(SOC_AMD_COMMON_BLOCK_USE_ESPI) && !CONFIG(VBOOT_STARTS_BEFORE_BOOTBLOCK))
configure_espi_with_mb_hook();
fch_spi_early_init();
fch_smbus_init();
fch_enable_cf9_io();

8
src/soc/amd/common/block/include/amdblocks/espi.h
View File

@ -134,12 +134,8 @@ void mb_set_up_early_espi(void);
/* Setup eSPI with any mainboard specific initialization. */
static inline void configure_espi_with_mb_hook(void)
{
/* If eSPI is setup in PSP Verstage, continue with that. Else setup eSPI to perform
port80h routing as early as possible. */
if (!CONFIG(VBOOT_STARTS_BEFORE_BOOTBLOCK) && CONFIG(SOC_AMD_COMMON_BLOCK_USE_ESPI)) {
mb_set_up_early_espi();
espi_setup();
}
mb_set_up_early_espi();
espi_setup();
}
#endif /* AMD_BLOCK_ESPI_H */

7
src/soc/amd/picasso/early_fch.c
View File

@ -47,8 +47,11 @@ void fch_pre_init(void)
enable_acpimmio_decode_pm04();
/* Setup SPI base by calling lpc_early_init before setting up eSPI. */
lpc_early_init();
/* Setup eSPI to enable port80 routing. */
configure_espi_with_mb_hook();
/* Setup eSPI to enable port80 routing if the board is using eSPI and the eSPI
interface hasn't already been set up in verstage on PSP */
if (CONFIG(SOC_AMD_COMMON_BLOCK_USE_ESPI) && !CONFIG(VBOOT_STARTS_BEFORE_BOOTBLOCK))
configure_espi_with_mb_hook();
if (!CONFIG(SOC_AMD_COMMON_BLOCK_USE_ESPI))
lpc_configure_decodes();