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-rw-r--r--src/soc/amd/picasso/psp_verstage/psp_verstage.c40
-rw-r--r--src/soc/amd/picasso/psp_verstage/psp_verstage.h2
2 files changed, 36 insertions, 6 deletions
diff --git a/src/soc/amd/picasso/psp_verstage/psp_verstage.c b/src/soc/amd/picasso/psp_verstage/psp_verstage.c
index bea0688e5b..2524651142 100644
--- a/src/soc/amd/picasso/psp_verstage/psp_verstage.c
+++ b/src/soc/amd/picasso/psp_verstage/psp_verstage.c
@@ -4,7 +4,10 @@
#include <bl_uapp/bl_syscall_public.h>
#include <boot_device.h>
+#include <cbfs.h>
+#include <commonlib/region.h>
#include <console/console.h>
+#include <fmap.h>
#include <security/vboot/misc.h>
#include <security/vboot/symbols.h>
#include <security/vboot/vboot_common.h>
@@ -31,6 +34,19 @@ static void reboot_into_recovery(struct vb2_context *ctx, uint32_t subcode)
vboot_reboot();
}
+static uintptr_t locate_amdfw(const char *name, struct region_device *rdev)
+{
+ struct cbfsf fh;
+ uint32_t type = CBFS_TYPE_RAW;
+
+ if (cbfs_locate(&fh, rdev, name, &type))
+ return 0;
+
+ cbfs_file_data(rdev, &fh);
+
+ return (uintptr_t)rdev_mmap_full(rdev);
+}
+
/*
* Tell the PSP where to load the rest of the firmware from
*/
@@ -39,6 +55,9 @@ static uint32_t update_boot_region(struct vb2_context *ctx)
struct psp_ef_table *ef_table;
uint32_t psp_dir_addr, bios_dir_addr;
uint32_t *psp_dir_in_spi, *bios_dir_in_spi;
+ const char *rname, *fname;
+ struct region_device rdev;
+ uintptr_t amdfw_location;
/* Continue booting from RO */
if (ctx->flags & VB2_CONTEXT_RECOVERY_MODE) {
@@ -47,15 +66,24 @@ static uint32_t update_boot_region(struct vb2_context *ctx)
}
if (vboot_is_firmware_slot_a(ctx)) {
- printk(BIOS_SPEW, "Using FMAP RW_A region.\n");
- ef_table = (struct psp_ef_table *)((CONFIG_PICASSO_FW_A_POSITION &
- SPI_ADDR_MASK) + (uint32_t)boot_dev.base);
+ rname = "FW_MAIN_A";
+ fname = "apu/amdfw_a";
} else {
- printk(BIOS_SPEW, "Using FMAP RW_B region.\n");
- ef_table = (struct psp_ef_table *)((CONFIG_PICASSO_FW_B_POSITION &
- SPI_ADDR_MASK) + (uint32_t)boot_dev.base);
+ rname = "FW_MAIN_B";
+ fname = "apu/amdfw_b";
}
+ if (fmap_locate_area_as_rdev(rname, &rdev)) {
+ printk(BIOS_ERR, "Error: Could not locate fmap region %s.\n", rname);
+ return POSTCODE_FMAP_REGION_MISSING;
+ }
+
+ amdfw_location = locate_amdfw(fname, &rdev);
+ if (!amdfw_location) {
+ printk(BIOS_ERR, "Error: AMD Firmware table not found.\n");
+ return POSTCODE_AMD_FW_MISSING;
+ }
+ ef_table = (struct psp_ef_table *)amdfw_location;
if (ef_table->signature != EMBEDDED_FW_SIGNATURE) {
printk(BIOS_ERR, "Error: ROMSIG address is not correct.\n");
return POSTCODE_ROMSIG_MISMATCH_ERROR;
diff --git a/src/soc/amd/picasso/psp_verstage/psp_verstage.h b/src/soc/amd/picasso/psp_verstage/psp_verstage.h
index e7d6daf65e..ad422fc825 100644
--- a/src/soc/amd/picasso/psp_verstage/psp_verstage.h
+++ b/src/soc/amd/picasso/psp_verstage/psp_verstage.h
@@ -28,6 +28,8 @@
#define POSTCODE_PSP_COOKIE_MISMATCH_ERROR 0xC5
#define POSTCODE_BDT1_COOKIE_MISMATCH_ERROR 0xC6
#define POSTCODE_UPDATE_PSP_BIOS_DIR_ERROR 0xC7
+#define POSTCODE_FMAP_REGION_MISSING 0xC8
+#define POSTCODE_AMD_FW_MISSING 0xC9
#define POSTCODE_UNMAP_SPI_ROM 0xF0
#define POSTCODE_UNMAP_FCH_DEVICES 0xF1