diff options
| author | Furquan Shaikh <furquan@google.com> | 2014-06-26 14:24:42 -0700 |
|---|---|---|
| committer | Marc Jones <marc.jones@se-eng.com> | 2015-03-04 18:23:46 +0100 |
| commit | 650d11ce94dea9ecc3fee3c2eb4dcb423af3f503 (patch) | |
| tree | 21494062dad07db23cd5255f34d1f3cccf99762c /src/mainboard/google/rush/sdram_configs.c | |
| parent | d42b3fc6a9adda4a20cd331b27117d95c70887a4 (diff) | |
coreboot rush: Add dram init code
Add support for initializing dram within romstage. This is an essential before we
move to the armv8 core.
BUG=None
BRANCH=None
TEST=Compiles succesfully for rush. Tried writing to and reading value from the
base of sdram and it worked fine. Also tested with primitive_memtest CL:
https://chromium-review.googlesource.com/#/c/186309/5
Original-Change-Id: I67ec04c766e249c9727b0cf2ba216522c862c2f5
Original-Signed-off-by: Furquan Shaikh <furquan@google.com>
Original-Reviewed-on: https://chromium-review.googlesource.com/205823
Original-Tested-by: Furquan Shaikh <furquan@chromium.org>
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Original-Commit-Queue: Aaron Durbin <adurbin@chromium.org>
(cherry picked from commit 33c468b16e7ccd8cf9266d6a9ca30c02da104821)
Signed-off-by: Marc Jones <marc.jones@se-eng.com>
Change-Id: I4baface2c109ca74f85f43a25508677c46c64159
Reviewed-on: http://review.coreboot.org/8574
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@google.com>
Diffstat (limited to 'src/mainboard/google/rush/sdram_configs.c')
| -rw-r--r-- | src/mainboard/google/rush/sdram_configs.c | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/src/mainboard/google/rush/sdram_configs.c b/src/mainboard/google/rush/sdram_configs.c new file mode 100644 index 0000000000..18386ac53e --- /dev/null +++ b/src/mainboard/google/rush/sdram_configs.c @@ -0,0 +1,57 @@ +/* + * 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. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include <console/console.h> +#include <soc/nvidia/tegra132/sdram.h> +#include "sdram_configs.h" + +static struct sdram_params sdram_configs[] = { +#include "bct/sdram-hynix-2GB-924.inc" /* ram_code = 0000 */ +#include "bct/sdram-hynix-4GB-792.inc" /* ram_code = 0001 */ +#include "bct/sdram-unused.inc" /* ram_code = 0010 */ +#include "bct/sdram-unused.inc" /* ram_code = 0011 */ +#include "bct/sdram-unused.inc" /* ram_code = 0100 */ +#include "bct/sdram-unused.inc" /* ram_code = 0101 */ +#include "bct/sdram-unused.inc" /* ram_code = 0110 */ +#include "bct/sdram-unused.inc" /* ram_code = 0111 */ +#include "bct/sdram-unused.inc" /* ram_code = 1000 */ +#include "bct/sdram-unused.inc" /* ram_code = 1001 */ +#include "bct/sdram-unused.inc" /* ram_code = 1010 */ +#include "bct/sdram-unused.inc" /* ram_code = 1011 */ +#include "bct/sdram-unused.inc" /* ram_code = 1100 */ +#include "bct/sdram-unused.inc" /* ram_code = 1101 */ +#include "bct/sdram-unused.inc" /* ram_code = 1110 */ +#include "bct/sdram-unused.inc" /* ram_code = 1111 */ +}; + +const struct sdram_params *get_sdram_config() +{ + uint32_t ramcode = sdram_get_ram_code(); + /* + * If we need to apply some special hacks to RAMCODE mapping (ex, by + * board_id), do that now. + */ + + printk(BIOS_SPEW, "%s: RAMCODE=%d\n", __func__, ramcode); + if (ramcode >= sizeof(sdram_configs) / sizeof(sdram_configs[0]) || + sdram_configs[ramcode].MemoryType == NvBootMemoryType_Unused) + die("Invalid RAMCODE."); + + return &sdram_configs[ramcode]; +} |