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| author | Felix Held <felix-coreboot@felixheld.de> | 2021-05-04 20:01:46 +0200 |
|---|---|---|
| committer | Felix Held <felix-coreboot@felixheld.de> | 2021-05-05 18:35:20 +0000 |
| commit | 245adcab13ad47af7419c4ff84c8196a26c025c7 (patch) | |
| tree | 0824c92e2ab0552c04b85c37014c939d1b403f13 /src/soc/amd/common/fsp | |
| parent | 3cb69c23977b5fc23105bb1bcb8f1a8336fbe466 (diff) | |
| download | coreboot-245adcab13ad47af7419c4ff84c8196a26c025c7.tar.gz coreboot-245adcab13ad47af7419c4ff84c8196a26c025c7.tar.bz2 coreboot-245adcab13ad47af7419c4ff84c8196a26c025c7.zip | |
soc/amd/common/fsp/fsp-acpi: factor out SSDT from HOB functionality
This function will be reused in Cezanne, so move it from the Picasso
directory to the common FSP integration code.
TEST=On Mandolin Linux finds the AMD SSDT that contains ALIB.
Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Change-Id: I7b256de712fe60d1c021cb875aaadec1d331584b
Reviewed-on: https://review.coreboot.org/c/coreboot/+/52896
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Raul Rangel <rrangel@chromium.org>
Reviewed-by: Marshall Dawson <marshalldawson3rd@gmail.com>
Diffstat (limited to 'src/soc/amd/common/fsp')
| -rw-r--r-- | src/soc/amd/common/fsp/Makefile.inc | 1 | ||||
| -rw-r--r-- | src/soc/amd/common/fsp/fsp-acpi.c | 40 |
2 files changed, 41 insertions, 0 deletions
diff --git a/src/soc/amd/common/fsp/Makefile.inc b/src/soc/amd/common/fsp/Makefile.inc index 5523876a7e0b..3ba6ea5b4a73 100644 --- a/src/soc/amd/common/fsp/Makefile.inc +++ b/src/soc/amd/common/fsp/Makefile.inc @@ -1,4 +1,5 @@ ifeq ($(CONFIG_PLATFORM_USES_FSP2_0),y) romstage-y += fsp_reset.c ramstage-y += fsp_reset.c +ramstage-$(CONFIG_HAVE_ACPI_TABLES) += fsp-acpi.c endif # CONFIG_PLATFORM_USES_FSP2_0 diff --git a/src/soc/amd/common/fsp/fsp-acpi.c b/src/soc/amd/common/fsp/fsp-acpi.c new file mode 100644 index 000000000000..b530688c03be --- /dev/null +++ b/src/soc/amd/common/fsp/fsp-acpi.c @@ -0,0 +1,40 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#include <acpi/acpi.h> +#include <amdblocks/acpi.h> +#include <console/console.h> +#include <fsp/util.h> +#include <string.h> +#include <types.h> + +struct amd_fsp_acpi_hob_info { + uint32_t table_size_in_bytes; + uint8_t total_hobs_for_table; + uint8_t sequence_number; + uint16_t reserved; + uint16_t hob_payload[0xffc8]; /* maximum payload size */ +} __packed; + +uintptr_t add_agesa_fsp_acpi_table(guid_t guid, const char *name, acpi_rsdp_t *rsdp, + uintptr_t current) +{ + const struct amd_fsp_acpi_hob_info *data; + void *table = (void *)current; + size_t hob_size; + + data = fsp_find_extension_hob_by_guid(guid.b, &hob_size); + if (!data) { + printk(BIOS_ERR, "AGESA %s ACPI table was not found.\n", name); + return current; + } + + printk(BIOS_INFO, "ACPI: * %s (AGESA).\n", name); + + memcpy(table, data->hob_payload, data->table_size_in_bytes); + + current += data->table_size_in_bytes; + acpi_add_table(rsdp, table); + current = acpi_align_current(current); + + return current; +} |