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authorPatrick Georgi <pgeorgi@chromium.org>2017-01-28 15:59:25 +0100
committerPatrick Georgi <pgeorgi@google.com>2017-02-10 18:04:33 +0100
commit0e3c59e258e0eb1cabe2ab15286f73efbf36294d (patch)
tree34ce31fdbe63d962681ace395fd54436411cb7f9 /src/device/dram
parent2e08b59cdcf9a26ae9e6d4107be8e45a5fb9dbdf (diff)
ddr3 spd: move accessor code into lib/spd_bin.c
It's an attempt to consolidate the access code, even if there are still multiple implementations in the code. Change-Id: I4b2b9cbc24a445f8fa4e0148f52fd15950535240 Signed-off-by: Patrick Georgi <pgeorgi@chromium.org> Reviewed-on: https://review.coreboot.org/18265 Tested-by: build bot (Jenkins) Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Diffstat (limited to 'src/device/dram')
-rw-r--r--src/device/dram/Makefile.inc2
-rw-r--r--src/device/dram/spd_cache.c67
2 files changed, 1 insertions, 68 deletions
diff --git a/src/device/dram/Makefile.inc b/src/device/dram/Makefile.inc
index 05f440b3b7..b1a6755128 100644
--- a/src/device/dram/Makefile.inc
+++ b/src/device/dram/Makefile.inc
@@ -1 +1 @@
-romstage-$(CONFIG_SPD_CACHE) += spd_cache.c ddr3.c
+romstage-y += ddr3.c
diff --git a/src/device/dram/spd_cache.c b/src/device/dram/spd_cache.c
deleted file mode 100644
index a74e4a77ba..0000000000
--- a/src/device/dram/spd_cache.c
+++ /dev/null
@@ -1,67 +0,0 @@
-/*
- * This file is part of the coreboot project.
- *
- * Copyright (C) 2013 Advanced Micro Devices, Inc.
- * Copyright (C) 2013 Sage Electronic Engineering, LLC
- *
- * 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 <cbfs.h>
-#include <console/console.h>
-#include <device/dram/ddr3.h>
-#include <spd_cache.h>
-#include <stdint.h>
-#include <string.h>
-
-#define SPD_SIZE 128
-
-_Static_assert(SPD_SIZE == CONFIG_DIMM_SPD_SIZE, "configured SPD sizes differ");
-
-int read_ddr3_spd_from_cbfs(u8 *buf, int idx)
-{
- const int SPD_CRC_HI = 127;
- const int SPD_CRC_LO = 126;
-
- const char *spd_file;
- size_t spd_file_len = 0;
- size_t min_len = (idx + 1) * CONFIG_DIMM_SPD_SIZE;
-
- spd_file = cbfs_boot_map_with_leak("spd.bin", CBFS_TYPE_SPD,
- &spd_file_len);
- if (!spd_file)
- printk(BIOS_EMERG, "file [spd.bin] not found in CBFS");
- if (spd_file_len < min_len)
- printk(BIOS_EMERG, "Missing SPD data.");
- if (!spd_file || spd_file_len < min_len)
- return -1;
-
- memcpy(buf, spd_file + (idx * CONFIG_DIMM_SPD_SIZE), CONFIG_DIMM_SPD_SIZE);
-
- u16 crc = spd_ddr3_calc_crc(buf, CONFIG_DIMM_SPD_SIZE);
-
- if (((buf[SPD_CRC_LO] == 0) && (buf[SPD_CRC_HI] == 0))
- || (buf[SPD_CRC_LO] != (crc & 0xff))
- || (buf[SPD_CRC_HI] != (crc >> 8))) {
- printk(BIOS_WARNING, "SPD CRC %02x%02x is invalid, should be %04x\n",
- buf[SPD_CRC_HI], buf[SPD_CRC_LO], crc);
- buf[SPD_CRC_LO] = crc & 0xff;
- buf[SPD_CRC_HI] = crc >> 8;
- u16 i;
- printk(BIOS_WARNING, "\nDisplay the SPD");
- for (i = 0; i < CONFIG_DIMM_SPD_SIZE; i++) {
- if((i % 16) == 0x00)
- printk(BIOS_WARNING, "\n%02x: ", i);
- printk(BIOS_WARNING, "%02x ", buf[i]);
- }
- printk(BIOS_WARNING, "\n");
- }
- return 0;
-}