From 66ee65f0368e095fb305e0e84bf69e4c9aede358 Mon Sep 17 00:00:00 2001 From: Junzhi Zhao Date: Wed, 13 Jun 2018 16:20:00 +0800 Subject: google/kukui: Initialize DRAM from romstage Add DRAM support for google kukui. BUG=b:80501386 BRANCH=none TEST=Boots correctly on Kukui Change-Id: I1ed01404343745c883b22a648966327bdcabc5c2 Signed-off-by: Huayang Duan Reviewed-on: https://review.coreboot.org/c/28438 Tested-by: build bot (Jenkins) Reviewed-by: Hung-Te Lin --- src/mainboard/google/kukui/sdram_configs.c | 37 ++++++++++++++++++++++++++++++ 1 file changed, 37 insertions(+) create mode 100644 src/mainboard/google/kukui/sdram_configs.c (limited to 'src/mainboard/google/kukui/sdram_configs.c') diff --git a/src/mainboard/google/kukui/sdram_configs.c b/src/mainboard/google/kukui/sdram_configs.c new file mode 100644 index 0000000000..25bbe8ffe2 --- /dev/null +++ b/src/mainboard/google/kukui/sdram_configs.c @@ -0,0 +1,37 @@ +/* + * This file is part of the coreboot project. + * + * Copyright 2018 MediaTek Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include +#include +#include +#include + +static const char *const sdram_configs[] = { + [1] = "sdram-lpddr4x-H9HCNNNCPMALHR-4GB", +}; + +static struct sdram_params params; + +const struct sdram_params *get_sdram_config(void) +{ + uint32_t ramcode = ram_code(); + + if (ramcode >= ARRAY_SIZE(sdram_configs) || + cbfs_boot_load_file(sdram_configs[ramcode], ¶ms, sizeof(params), + CBFS_TYPE_STRUCT) != sizeof(params)) + die("Cannot load SDRAM parameter file!"); + + return ¶ms; +} -- cgit v1.2.3