diff options
Diffstat (limited to 'src/soc/amd')
| -rw-r--r-- | src/soc/amd/picasso/Makefile.inc | 1 | ||||
| -rw-r--r-- | src/soc/amd/picasso/agesa_acpi.c | 55 | ||||
| -rw-r--r-- | src/soc/amd/picasso/chip.c | 2 | ||||
| -rw-r--r-- | src/soc/amd/picasso/include/soc/acpi.h | 3 |
4 files changed, 61 insertions, 0 deletions
diff --git a/src/soc/amd/picasso/Makefile.inc b/src/soc/amd/picasso/Makefile.inc index d62ccda74d..ce0a7a8f43 100644 --- a/src/soc/amd/picasso/Makefile.inc +++ b/src/soc/amd/picasso/Makefile.inc @@ -47,6 +47,7 @@ ramstage-y += data_fabric_util.c ramstage-y += root_complex.c ramstage-y += mca.c ramstage-$(CONFIG_HAVE_ACPI_TABLES) += acpi.c +ramstage-$(CONFIG_HAVE_ACPI_TABLES) += agesa_acpi.c ramstage-y += gpio.c ramstage-y += southbridge.c ramstage-y += pmutil.c diff --git a/src/soc/amd/picasso/agesa_acpi.c b/src/soc/amd/picasso/agesa_acpi.c new file mode 100644 index 0000000000..fb168a1f5a --- /dev/null +++ b/src/soc/amd/picasso/agesa_acpi.c @@ -0,0 +1,55 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#include <acpi/acpi.h> +#include <console/console.h> +#include <fsp/util.h> +#include <FspGuids.h> +#include <soc/acpi.h> +#include <stdint.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]; +} __packed; + +static uintptr_t add_agesa_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; +} + +uintptr_t agesa_write_acpi_tables(const struct device *device, uintptr_t current, + acpi_rsdp_t *rsdp) +{ + printk(BIOS_DEBUG, "Searching for AGESA FSP ACPI Tables\n"); + + current = add_agesa_acpi_table(AMD_FSP_ACPI_SSDT_HOB_GUID, "SSDT", rsdp, current); + current = add_agesa_acpi_table(AMD_FSP_ACPI_CRAT_HOB_GUID, "CRAT", rsdp, current); + current = add_agesa_acpi_table(AMD_FSP_ACPI_ALIB_HOB_GUID, "ALIB", rsdp, current); + current = add_agesa_acpi_table(AMD_FSP_ACPI_IVRS_HOB_GUID, "IVRS", rsdp, current); + + /* Add SRAT, MSCT, SLIT if needed in the future */ + + return current; +} diff --git a/src/soc/amd/picasso/chip.c b/src/soc/amd/picasso/chip.c index 4ea962f715..7c6e6fb967 100644 --- a/src/soc/amd/picasso/chip.c +++ b/src/soc/amd/picasso/chip.c @@ -143,6 +143,8 @@ static void enable_dev(struct device *dev) static void soc_init(void *chip_info) { + default_dev_ops_root.write_acpi_tables = agesa_write_acpi_tables; + fsp_silicon_init(acpi_is_wakeup_s3()); data_fabric_set_mmio_np(); diff --git a/src/soc/amd/picasso/include/soc/acpi.h b/src/soc/amd/picasso/include/soc/acpi.h index 6250f8682a..77f836cec2 100644 --- a/src/soc/amd/picasso/include/soc/acpi.h +++ b/src/soc/amd/picasso/include/soc/acpi.h @@ -14,6 +14,9 @@ unsigned long southbridge_write_acpi_tables(const struct device *device, void southbridge_inject_dsdt(const struct device *device); +uintptr_t agesa_write_acpi_tables(const struct device *device, uintptr_t current, + acpi_rsdp_t *rsdp); + const char *soc_acpi_name(const struct device *dev); #endif /* __SOC_PICASSO_ACPI_H__ */ |