mb/google/asurada: Load dram params from sdram config

Signed-off-by: Huayang Duan <huayang.duan@mediatek.com>
Change-Id: I2cc38115c27cbbe157fc850bbd88b10ae8001f52
Reviewed-on: https://review.coreboot.org/c/coreboot/+/44567
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Hung-Te Lin <hungte@chromium.org>

1 files changed, 25 insertions, 0 deletions

diff --git a/src/mainboard/google/asurada/sdram_configs.c b/src/mainboard/google/asurada/sdram_configs.c
new file mode 100644
index 0000000000..9efcb32dae
--- /dev/null
+++ b/src/mainboard/google/asurada/sdram_configs.c
@@ -0,0 +1,25 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <boardid.h>
+#include <cbfs.h>
+#include <console/console.h>
+#include <soc/dramc_param.h>
+
+static const char *const sdram_configs[] = {
+	[0] = "sdram-lpddr4x-MT29VZZZBD9DQKPR-046-6GB",
+	[1] = "sdram-lpddr4x-MT29VZZZAD8GQFSL-046-4GB",
+};
+
+static struct sdram_info params;
+
+const struct sdram_info *get_sdram_config(void)
+{
+	uint32_t ramcode = ram_code();
+
+	if (ramcode >= ARRAY_SIZE(sdram_configs) ||
+	    cbfs_boot_load_file(sdram_configs[ramcode], &params, sizeof(params),
+				CBFS_TYPE_STRUCT) != sizeof(params))
+		die("Cannot load SDRAM parameter file for RAM code: %#x", ramcode);
+
+	return &params;
+}