a73b93157f
It encourages users from writing to the FSF without giving an address. Linux also prefers to drop that and their checkpatch.pl (that we imported) looks out for that. This is the result of util/scripts/no-fsf-addresses.sh with no further editing. Change-Id: Ie96faea295fe001911d77dbc51e9a6789558fbd6 Signed-off-by: Patrick Georgi <pgeorgi@chromium.org> Reviewed-on: http://review.coreboot.org/11888 Tested-by: build bot (Jenkins) Reviewed-by: Alexandru Gagniuc <mr.nuke.me@gmail.com> Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
130 lines
4.0 KiB
C
130 lines
4.0 KiB
C
/*
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* This file is part of the coreboot project.
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*
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* Copyright (C) 2014 Google Inc.
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* Copyright (C) 2015 Intel Corporation.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#include <arch/byteorder.h>
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#include <boardid.h>
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#include <cbfs.h>
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#include <console/console.h>
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#include <soc/pei_data.h>
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#include <soc/romstage.h>
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#include <string.h>
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#include "../boardid.h"
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#include "spd.h"
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static void mainboard_print_spd_info(uint8_t spd[])
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{
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const int spd_banks[8] = { 8, 16, 32, 64, -1, -1, -1, -1 };
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const int spd_capmb[8] = { 1, 2, 4, 8, 16, 32, 64, 0 };
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const int spd_rows[8] = { 12, 13, 14, 15, 16, -1, -1, -1 };
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const int spd_cols[8] = { 9, 10, 11, 12, -1, -1, -1, -1 };
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const int spd_ranks[8] = { 1, 2, 3, 4, -1, -1, -1, -1 };
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const int spd_devw[8] = { 4, 8, 16, 32, -1, -1, -1, -1 };
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const int spd_busw[8] = { 8, 16, 32, 64, -1, -1, -1, -1 };
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char spd_name[SPD_PART_LEN+1] = { 0 };
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int banks = spd_banks[(spd[SPD_DENSITY_BANKS] >> 4) & 7];
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int capmb = spd_capmb[spd[SPD_DENSITY_BANKS] & 7] * 256;
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int rows = spd_rows[(spd[SPD_ADDRESSING] >> 3) & 7];
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int cols = spd_cols[spd[SPD_ADDRESSING] & 7];
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int ranks = spd_ranks[(spd[SPD_ORGANIZATION] >> 3) & 7];
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int devw = spd_devw[spd[SPD_ORGANIZATION] & 7];
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int busw = spd_busw[spd[SPD_BUS_DEV_WIDTH] & 7];
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/* Module type */
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printk(BIOS_INFO, "SPD: module type is ");
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switch (spd[SPD_DRAM_TYPE]) {
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case SPD_DRAM_DDR3:
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printk(BIOS_INFO, "DDR3\n");
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break;
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case SPD_DRAM_LPDDR3:
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printk(BIOS_INFO, "LPDDR3\n");
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break;
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default:
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printk(BIOS_INFO, "Unknown (%02x)\n", spd[SPD_DRAM_TYPE]);
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break;
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}
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/* Module Part Number */
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memcpy(spd_name, &spd[SPD_PART_OFF], SPD_PART_LEN);
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spd_name[SPD_PART_LEN] = 0;
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printk(BIOS_INFO, "SPD: module part is %s\n", spd_name);
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printk(BIOS_INFO,
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"SPD: banks %d, ranks %d, rows %d, columns %d, density %d Mb\n",
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banks, ranks, rows, cols, capmb);
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printk(BIOS_INFO, "SPD: device width %d bits, bus width %d bits\n",
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devw, busw);
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if (capmb > 0 && busw > 0 && devw > 0 && ranks > 0) {
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/* SIZE = DENSITY / 8 * BUS_WIDTH / SDRAM_WIDTH * RANKS */
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printk(BIOS_INFO, "SPD: module size is %u MB (per channel)\n",
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capmb / 8 * busw / devw * ranks);
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}
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}
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/* Copy SPD data for on-board memory */
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void mainboard_fill_spd_data(struct pei_data *pei_data)
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{
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char *spd_file;
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size_t spd_file_len;
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int spd_index, sku_id;
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spd_index = pei_data->mem_cfg_id;
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/*
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* XXX: This is incorrect usage.The Board ID should be the revision ID
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* and not SKU ID but on SCRD it indicates SKU.
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*/
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sku_id = board_id();
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printk(BIOS_INFO, "SPD index %d\n", spd_index);
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printk(BIOS_INFO, "Board ID %d\n", sku_id);
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/* Load SPD data from CBFS */
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spd_file = cbfs_boot_map_with_leak("spd.bin", CBFS_TYPE_SPD,
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&spd_file_len);
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if (!spd_file)
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die("SPD data not found.");
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/* make sure we have at least one SPD in the file. */
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if (spd_file_len < SPD_LEN)
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die("Missing SPD data.");
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/* Make sure we did not overrun the buffer */
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if (spd_file_len < ((spd_index + 1) * SPD_LEN)) {
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printk(BIOS_ERR, "SPD index override to 0 - old hardware?\n");
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spd_index = 0;
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}
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/* Assume same memory in both channels */
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spd_index *= SPD_LEN;
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memcpy(pei_data->spd_data[0][0], spd_file + spd_index, SPD_LEN);
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/*
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* XXX: This is incorrect usage. mem_cfg should be used here instead of
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* SKU ID. The current implementation of mem_config does not
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* support channel population.
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*/
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if (sku_id != SCRD_SKU1)
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memcpy(pei_data->spd_data[1][0], spd_file + spd_index, SPD_LEN);
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/* Make sure a valid SPD was found */
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if (pei_data->spd_data[0][0][0] == 0)
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die("Invalid SPD data.");
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mainboard_print_spd_info(pei_data->spd_data[0][0]);
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}
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