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/* SPDX-License-Identifier: GPL-2.0-only */
#include <acpi/acpi.h>
#include <amdblocks/acpi.h>
#include <console/console.h>
#include <fsp/util.h>
#include <FspGuids.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;
static unsigned long add_agesa_fsp_acpi_table(guid_t guid, const char *name, acpi_rsdp_t *rsdp,
unsigned long 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 == NULL) {
printk(BIOS_ERR, "AGESA %s ACPI table was not found.\n", name);
return current;
}
if (data->table_size_in_bytes > sizeof(data->hob_payload)) {
printk(BIOS_ERR, "AGESA %s ACPI table size larger than maximum HOB payload "
"size.\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;
}
unsigned long acpi_add_fsp_tables(unsigned long current, acpi_rsdp_t *rsdp)
{
/* add ALIB SSDT from HOB */
current = acpi_align_current(current);
current = add_agesa_fsp_acpi_table(AMD_FSP_ACPI_ALIB_HOB_GUID, "ALIB", rsdp, current);
return current;
}
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