diff options
author | Lin Huang <hl@rock-chips.com> | 2016-03-17 15:28:33 +0800 |
---|---|---|
committer | Patrick Georgi <pgeorgi@google.com> | 2016-05-09 08:45:13 +0200 |
commit | c4cbf482f796b12f240bb88340a61ecac12ee090 (patch) | |
tree | 7796d0ccf31ab7d45742343a10e78c4cd0984f59 /src/mainboard/google/gru/sdram_configs.c | |
parent | 5dae9306d9fcfe660b0379f3b99976f8d5828b61 (diff) |
rockchip: rk3399: add sdram driver
Add the sdram driver for rk3399. With this patch we can boot
into depthcharge.
This patch also include a config file for lpddr3-hynix-4GB
that generated bases on its datasheet.
Please refer to TRM V0.3 Part1 Chapter 9 for DMC.
BRANCH=none
BUG=chrome-os-partner:51537
TEST=boot to depthcharge on kevin
Change-Id: I2afcaa3b68dbad77a5fe677b835289b675ed2bef
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: 5d777e29942057fb7237eefa34051d1f54b19405
Original-Change-Id: Ifa1fe98a7058869518757d50678a64620610d91d
Original-Signed-off-by: Lin Huang <hl@rock-chips.com>
Original-Signed-off-by: Vadim Bendebury <vbendeb@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/332562
Reviewed-on: https://review.coreboot.org/14716
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Diffstat (limited to 'src/mainboard/google/gru/sdram_configs.c')
-rw-r--r-- | src/mainboard/google/gru/sdram_configs.c | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/src/mainboard/google/gru/sdram_configs.c b/src/mainboard/google/gru/sdram_configs.c new file mode 100644 index 0000000000..787b36fa2d --- /dev/null +++ b/src/mainboard/google/gru/sdram_configs.c @@ -0,0 +1,36 @@ +/* + * This file is part of the coreboot project. + * + * Copyright 2014 Google 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 <arch/io.h> +#include <boardid.h> +#include <console/console.h> +#include <gpio.h> +#include <soc/sdram.h> +#include <string.h> +#include <types.h> + +static struct rk3399_sdram_params sdram_configs[] = { +#include "sdram_inf/sdram-lpddr3-hynix-4GB.inc" +}; + +const struct rk3399_sdram_params *get_sdram_config() +{ + u32 ramcode = ram_code(); + + if (ramcode >= ARRAY_SIZE(sdram_configs) + || sdram_configs[ramcode].dramtype == UNUSED) + die("Invalid RAMCODE."); + return &sdram_configs[ramcode]; +} |