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authorZheng Bao <fishbaozi@gmail.com>2020-12-21 13:56:22 +0800
committerFelix Held <felix-coreboot@felixheld.de>2021-01-26 15:51:36 +0000
commit64d0ad347b5c9c698547f0ff15779e88a10014f4 (patch)
tree856520b4def372b359d5441ae92f30eae9e9cdeb /src
parent56868b8045aed351a2bb0fe74cd43cf78966c3ce (diff)
soc/amd: Add an option to select if SOC supports ESPI sub decode
Cezanne doesn't have eSPIx00034 register define in PPR. Currently only Picasso need this option. Change-Id: Icb8e8a1a59393849395125108bfaa884839ce10f Signed-off-by: Zheng Bao <fishbaozi@gmail.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/48842 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
Diffstat (limited to 'src')
-rw-r--r--src/soc/amd/common/block/lpc/Kconfig5
-rw-r--r--src/soc/amd/common/block/lpc/espi_util.c3
-rw-r--r--src/soc/amd/picasso/Kconfig1
3 files changed, 8 insertions, 1 deletions
diff --git a/src/soc/amd/common/block/lpc/Kconfig b/src/soc/amd/common/block/lpc/Kconfig
index 1ec8dd4668..3aaccf344d 100644
--- a/src/soc/amd/common/block/lpc/Kconfig
+++ b/src/soc/amd/common/block/lpc/Kconfig
@@ -24,3 +24,8 @@ config SOC_AMD_COMMON_BLOCK_USE_ESPI
help
Select this option if mainboard uses eSPI instead of LPC (if supported
by platform).
+
+config SOC_AMD_COMMON_BLOCK_HAS_ESPI_SUB_DECODE
+ bool
+ depends on SOC_AMD_COMMON_BLOCK_HAS_ESPI
+ default n
diff --git a/src/soc/amd/common/block/lpc/espi_util.c b/src/soc/amd/common/block/lpc/espi_util.c
index 0878fb7663..7ee53862dc 100644
--- a/src/soc/amd/common/block/lpc/espi_util.c
+++ b/src/soc/amd/common/block/lpc/espi_util.c
@@ -916,7 +916,8 @@ int espi_setup(void)
}
/* Enable subtractive decode if configured */
- espi_setup_subtractive_decode(cfg);
+ if (CONFIG(SOC_AMD_COMMON_BLOCK_HAS_ESPI_SUB_DECODE))
+ espi_setup_subtractive_decode(cfg);
return 0;
}
diff --git a/src/soc/amd/picasso/Kconfig b/src/soc/amd/picasso/Kconfig
index da3903bfbd..93d2ef80c4 100644
--- a/src/soc/amd/picasso/Kconfig
+++ b/src/soc/amd/picasso/Kconfig
@@ -29,6 +29,7 @@ config CPU_SPECIFIC_OPTIONS
select SOC_AMD_COMMON
select SOC_AMD_COMMON_BLOCK_NONCAR
select SOC_AMD_COMMON_BLOCK_HAS_ESPI
+ select SOC_AMD_COMMON_BLOCK_HAS_ESPI_SUB_DECODE
select SOC_AMD_COMMON_BLOCK_IOMMU
select SOC_AMD_COMMON_BLOCK_ACPIMMIO
select SOC_AMD_COMMON_BLOCK_BANKED_GPIOS