[coreboot-gerrit] Patch set updated for coreboot: 6251212 samus: Move SPD related information to spd directory
Marc Jones (marc.jones@se-eng.com)
gerrit at coreboot.org
Sat Jan 3 00:22:15 CET 2015
Marc Jones (marc.jones at se-eng.com) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/8006
-gerrit
commit 62512125679ab2b81be532b60c889e25d33e7572
Author: Duncan Laurie <dlaurie at chromium.org>
Date: Thu May 22 08:22:51 2014 -0700
samus: Move SPD related information to spd directory
Put all the SPD related information in one place including
the onboard SPD sources and the board specific parsing.
BUG=chrome-os-partner:28234
TEST=Build and boot on samus
Original-Change-Id: If5cd826ecc9cc856008b7c29aa3cfade5ae7f685
Original-Signed-off-by: Duncan Laurie <dlaurie at chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/201082
Original-Reviewed-by: Aaron Durbin <adurbin at chromium.org>
(cherry picked from commit f40e447cee84ebd04ab8a57250d0f56f508d52f2)
Signed-off-by: Marc Jones <marc.jones at se-eng.com>
Change-Id: I9c10b08c3e640642e3c75696a233051bb34a2123
---
src/mainboard/google/samus/Makefile.inc | 31 +-----
src/mainboard/google/samus/elpida_4Gb.spd.hex | 16 ---
src/mainboard/google/samus/elpida_8Gb.spd.hex | 16 ---
src/mainboard/google/samus/empty.spd.hex | 16 ---
src/mainboard/google/samus/romstage.c | 2 +-
src/mainboard/google/samus/samsung_4Gb.spd.hex | 16 ---
src/mainboard/google/samus/samsung_8Gb.spd.hex | 16 ---
src/mainboard/google/samus/spd.c | 121 ---------------------
src/mainboard/google/samus/spd.h | 43 --------
src/mainboard/google/samus/spd/Makefile.inc | 46 ++++++++
src/mainboard/google/samus/spd/elpida_4Gb.spd.hex | 16 +++
src/mainboard/google/samus/spd/elpida_8Gb.spd.hex | 16 +++
src/mainboard/google/samus/spd/empty.spd.hex | 16 +++
src/mainboard/google/samus/spd/samsung_4Gb.spd.hex | 16 +++
src/mainboard/google/samus/spd/samsung_8Gb.spd.hex | 16 +++
src/mainboard/google/samus/spd/spd.c | 121 +++++++++++++++++++++
src/mainboard/google/samus/spd/spd.h | 43 ++++++++
17 files changed, 293 insertions(+), 274 deletions(-)
diff --git a/src/mainboard/google/samus/Makefile.inc b/src/mainboard/google/samus/Makefile.inc
index f23352f..502204e 100644
--- a/src/mainboard/google/samus/Makefile.inc
+++ b/src/mainboard/google/samus/Makefile.inc
@@ -17,6 +17,8 @@
## Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
##
+subdirs-y += spd
+
ramstage-$(CONFIG_EC_GOOGLE_CHROMEEC) += ec.c
romstage-y += chromeos.c
@@ -26,32 +28,3 @@ smm-$(CONFIG_HAVE_SMI_HANDLER) += smihandler.c
romstage-y += pei_data.c
ramstage-y += pei_data.c
-
-## DIMM SPD for on-board memory
-romstage-y += spd.c
-SPD_BIN = $(obj)/spd.bin
-
-# Order of names in SPD_SOURCES is important!
-# { GPIO69, GPIO68, GPIO67 }
-SPD_SOURCES = empty # 0: { 0, 0, 0 }
-SPD_SOURCES += elpida_4Gb # 1: { 0, 0, 1 }
-SPD_SOURCES += empty # 2: { 0, 1, 0 }
-SPD_SOURCES += elpida_8Gb # 3: { 0, 1, 1 }
-SPD_SOURCES += empty # 4: { 1, 0, 0 }
-SPD_SOURCES += samsung_8Gb # 5: { 1, 0, 1 }
-SPD_SOURCES += samsung_4Gb # 6: { 1, 1, 0 }
-SPD_SOURCES += empty # 7: { 1, 1, 1 }
-
-SPD_DEPS := $(foreach f, $(SPD_SOURCES), src/mainboard/$(MAINBOARDDIR)/$(f).spd.hex)
-
-# Include spd rom data
-$(SPD_BIN): $(SPD_DEPS)
- for f in $+; \
- do for c in $$(cat $$f | grep -v ^#); \
- do echo -e -n "\\x$$c"; \
- done; \
- done > $@
-
-cbfs-files-y += spd.bin
-spd.bin-file := $(SPD_BIN)
-spd.bin-type := 0xab
diff --git a/src/mainboard/google/samus/elpida_4Gb.spd.hex b/src/mainboard/google/samus/elpida_4Gb.spd.hex
deleted file mode 100644
index e73ba62..0000000
--- a/src/mainboard/google/samus/elpida_4Gb.spd.hex
+++ /dev/null
@@ -1,16 +0,0 @@
-92 11 F1 03 04 11 02 0B 03 11 01 08 0A 00 FE 00
-69 78 69 3C 69 11 18 81 20 08 3C 3C 01 40 83 05
-00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
-00 00 00 00 00 00 00 00 00 00 00 00 0F 01 02 00
-00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
-00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
-00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
-00 00 00 00 00 02 FE 00 00 00 00 00 00 00 00 00
-45 44 46 38 31 33 32 41 33 4D 41 2D 47 44 2D 46
-20 20 32 2E 30 20 00 00 00 00 00 00 00 00 00 00
-00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
-00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
-00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
-00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
-00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
-00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
diff --git a/src/mainboard/google/samus/elpida_8Gb.spd.hex b/src/mainboard/google/samus/elpida_8Gb.spd.hex
deleted file mode 100644
index b790943..0000000
--- a/src/mainboard/google/samus/elpida_8Gb.spd.hex
+++ /dev/null
@@ -1,16 +0,0 @@
-92 11 F1 03 04 12 02 0A 03 11 01 08 0A 00 FE 00
-69 78 69 3C 69 11 18 81 20 08 3C 3C 01 40 83 05
-00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
-00 00 00 00 00 00 00 00 00 00 00 00 0F 01 02 00
-00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
-00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
-00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
-00 00 00 00 00 02 FE 00 00 00 00 00 00 00 00 00
-45 44 46 41 32 33 32 41 32 4D 41 2D 47 44 2D 46
-20 20 32 2E 30 20 00 00 00 00 00 00 00 00 00 00
-00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
-00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
-00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
-00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
-00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
-00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
diff --git a/src/mainboard/google/samus/empty.spd.hex b/src/mainboard/google/samus/empty.spd.hex
deleted file mode 100644
index 9ec39f1..0000000
--- a/src/mainboard/google/samus/empty.spd.hex
+++ /dev/null
@@ -1,16 +0,0 @@
-00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
-00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
-00 80 00 00 00 00 00 00 00 00 00 00 00 00 00 00
-00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
-00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
-00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
-00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
-00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
-00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
-00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
-00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
-00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
-00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
-00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
-00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
-00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
diff --git a/src/mainboard/google/samus/romstage.c b/src/mainboard/google/samus/romstage.c
index f0609c8..9af4ffb 100644
--- a/src/mainboard/google/samus/romstage.c
+++ b/src/mainboard/google/samus/romstage.c
@@ -26,7 +26,7 @@
#include <broadwell/pei_data.h>
#include <broadwell/pei_wrapper.h>
#include <broadwell/romstage.h>
-#include "spd.h"
+#include <mainboard/google/samus/spd/spd.h>
#include "gpio.h"
void mainboard_romstage_entry(struct romstage_params *rp)
diff --git a/src/mainboard/google/samus/samsung_4Gb.spd.hex b/src/mainboard/google/samus/samsung_4Gb.spd.hex
deleted file mode 100644
index 8821050..0000000
--- a/src/mainboard/google/samus/samsung_4Gb.spd.hex
+++ /dev/null
@@ -1,16 +0,0 @@
-92 11 F1 03 04 11 02 0B 03 11 01 08 0A 00 FE 00
-69 78 69 3C 69 11 18 81 F0 0A 3C 3C 01 40 83 01
-00 80 00 00 00 00 00 00 00 00 00 00 00 00 00 00
-00 00 00 00 00 00 00 00 00 00 00 00 0F 11 02 00
-00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
-00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
-00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
-00 00 00 00 00 80 CE 01 00 00 00 00 00 00 00 00
-4B 34 45 38 45 33 30 34 45 44 2D 45 47 43 45 20
-20 20 00 00 80 CE 00 00 00 00 00 00 00 00 00 00
-00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
-00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
-00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
-00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
-00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
-00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
diff --git a/src/mainboard/google/samus/samsung_8Gb.spd.hex b/src/mainboard/google/samus/samsung_8Gb.spd.hex
deleted file mode 100644
index a7a1409..0000000
--- a/src/mainboard/google/samus/samsung_8Gb.spd.hex
+++ /dev/null
@@ -1,16 +0,0 @@
-92 11 F1 03 04 12 02 0A 03 11 01 08 0A 00 FE 00
-69 78 69 3C 69 11 18 81 F0 0A 3C 3C 01 40 83 01
-00 80 00 00 00 00 00 00 00 00 00 00 00 00 00 00
-00 00 00 00 00 00 00 00 00 00 00 00 0F 11 02 00
-00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
-00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
-00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
-00 00 00 00 00 80 CE 01 00 00 00 00 00 00 00 00
-4B 34 45 36 45 33 30 34 45 44 2D 45 47 43 45 20
-20 20 00 00 80 CE 00 00 00 00 00 00 00 00 00 00
-00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
-00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
-00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
-00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
-00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
-00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
diff --git a/src/mainboard/google/samus/spd.c b/src/mainboard/google/samus/spd.c
deleted file mode 100644
index 4371da9..0000000
--- a/src/mainboard/google/samus/spd.c
+++ /dev/null
@@ -1,121 +0,0 @@
-/*
- * This file is part of the coreboot project.
- *
- * Copyright (C) 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 <arch/byteorder.h>
-#include <cbfs.h>
-#include <console/console.h>
-#include <string.h>
-#include <broadwell/gpio.h>
-#include <broadwell/pei_data.h>
-#include <broadwell/romstage.h>
-#include "gpio.h"
-#include "spd.h"
-
-static void mainboard_print_spd_info(uint8_t spd[])
-{
- const int spd_banks[8] = { 8, 16, 32, 64, -1, -1, -1, -1 };
- const int spd_capmb[8] = { 1, 2, 4, 8, 16, 32, 64, 0 };
- const int spd_rows[8] = { 12, 13, 14, 15, 16, -1, -1, -1 };
- const int spd_cols[8] = { 9, 10, 11, 12, -1, -1, -1, -1 };
- const int spd_ranks[8] = { 1, 2, 3, 4, -1, -1, -1, -1 };
- const int spd_devw[8] = { 4, 8, 16, 32, -1, -1, -1, -1 };
- const int spd_busw[8] = { 8, 16, 32, 64, -1, -1, -1, -1 };
- char spd_name[SPD_PART_LEN+1] = { 0 };
-
- int banks = spd_banks[(spd[SPD_DENSITY_BANKS] >> 4) & 7];
- int capmb = spd_capmb[spd[SPD_DENSITY_BANKS] & 7] * 256;
- int rows = spd_rows[(spd[SPD_ADDRESSING] >> 3) & 7];
- int cols = spd_cols[spd[SPD_ADDRESSING] & 7];
- int ranks = spd_ranks[(spd[SPD_ORGANIZATION] >> 3) & 7];
- int devw = spd_devw[spd[SPD_ORGANIZATION] & 7];
- int busw = spd_busw[spd[SPD_BUS_DEV_WIDTH] & 7];
-
- /* Module type */
- printk(BIOS_INFO, "SPD: module type is ");
- switch (spd[SPD_DRAM_TYPE]) {
- case SPD_DRAM_DDR3:
- printk(BIOS_INFO, "DDR3\n");
- break;
- case SPD_DRAM_LPDDR3:
- printk(BIOS_INFO, "LPDDR3\n");
- break;
- default:
- printk(BIOS_INFO, "Unknown (%02x)\n", spd[SPD_DRAM_TYPE]);
- break;
- }
-
- /* Module Part Number */
- memcpy(spd_name, &spd[SPD_PART_OFF], SPD_PART_LEN);
- spd_name[SPD_PART_LEN] = 0;
- printk(BIOS_INFO, "SPD: module part is %s\n", spd_name);
-
- printk(BIOS_INFO, "SPD: banks %d, ranks %d, rows %d, columns %d, "
- "density %d Mb\n", banks, ranks, rows, cols, capmb);
- printk(BIOS_INFO, "SPD: device width %d bits, bus width %d bits\n",
- devw, busw);
-
- if (capmb > 0 && busw > 0 && devw > 0 && ranks > 0) {
- /* SIZE = DENSITY / 8 * BUS_WIDTH / SDRAM_WIDTH * RANKS */
- printk(BIOS_INFO, "SPD: module size is %u MB (per channel)\n",
- capmb / 8 * busw / devw * ranks);
- }
-}
-
-/* Copy SPD data for on-board memory */
-void mainboard_fill_spd_data(struct pei_data *pei_data)
-{
- int spd_gpio[3];
- int spd_index;
- int spd_file_len;
- struct cbfs_file *spd_file;
-
- spd_gpio[0] = get_gpio(SPD_GPIO_BIT0);
- spd_gpio[1] = get_gpio(SPD_GPIO_BIT1);
- spd_gpio[2] = get_gpio(SPD_GPIO_BIT2);
-
- spd_index = spd_gpio[2] << 2 | spd_gpio[1] << 1 | spd_gpio[0];
-
- printk(BIOS_DEBUG, "SPD: index %d (GPIO%d=%d GPIO%d=%d GPIO%d=%d)\n",
- spd_index,
- SPD_GPIO_BIT2, spd_gpio[2],
- SPD_GPIO_BIT1, spd_gpio[1],
- SPD_GPIO_BIT0, spd_gpio[0]);
-
- spd_file = cbfs_get_file(CBFS_DEFAULT_MEDIA, "spd.bin");
- if (!spd_file)
- die("SPD data not found.");
- spd_file_len = ntohl(spd_file->len);
-
- if (spd_file_len < ((spd_index + 1) * SPD_LEN)) {
- printk(BIOS_ERR, "SPD index override to 0 - old hardware?\n");
- spd_index = 0;
- }
-
- if (spd_file_len < SPD_LEN)
- die("Missing SPD data.");
-
- /* Assume same memory in both channels */
- spd_index *= SPD_LEN;
- memcpy(pei_data->spd_data[0][0],
- ((char*)CBFS_SUBHEADER(spd_file)) + spd_index, SPD_LEN);
- memcpy(pei_data->spd_data[1][0],
- ((char*)CBFS_SUBHEADER(spd_file)) + spd_index, SPD_LEN);
-
- mainboard_print_spd_info(pei_data->spd_data[0][0]);
-}
diff --git a/src/mainboard/google/samus/spd.h b/src/mainboard/google/samus/spd.h
deleted file mode 100644
index 98180fa..0000000
--- a/src/mainboard/google/samus/spd.h
+++ /dev/null
@@ -1,43 +0,0 @@
-/*
- * This file is part of the coreboot project.
- *
- * Copyright (C) 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
- */
-
-#ifndef MAINBOARD_SPD_H
-#define MAINBOARD_SPD_H
-
-#define SPD_LEN 256
-
-#define SPD_DRAM_TYPE 2
-#define SPD_DRAM_DDR3 0x0b
-#define SPD_DRAM_LPDDR3 0xf1
-#define SPD_DENSITY_BANKS 4
-#define SPD_ADDRESSING 5
-#define SPD_ORGANIZATION 7
-#define SPD_BUS_DEV_WIDTH 8
-#define SPD_PART_OFF 128
-#define SPD_PART_LEN 18
-
-/* Samus board memory configuration GPIOs */
-#define SPD_GPIO_BIT0 67
-#define SPD_GPIO_BIT1 68
-#define SPD_GPIO_BIT2 69
-
-struct pei_data;
-void mainboard_fill_spd_data(struct pei_data *pei_data);
-
-#endif
diff --git a/src/mainboard/google/samus/spd/Makefile.inc b/src/mainboard/google/samus/spd/Makefile.inc
new file mode 100644
index 0000000..657a09d
--- /dev/null
+++ b/src/mainboard/google/samus/spd/Makefile.inc
@@ -0,0 +1,46 @@
+##
+## This file is part of the coreboot project.
+##
+## Copyright (C) 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
+##
+
+romstage-y += spd.c
+
+SPD_BIN = $(obj)/spd.bin
+
+# { GPIO69, GPIO68, GPIO67 }
+SPD_SOURCES = empty # 0: { 0, 0, 0 }
+SPD_SOURCES += elpida_4Gb # 1: { 0, 0, 1 }
+SPD_SOURCES += empty # 2: { 0, 1, 0 }
+SPD_SOURCES += elpida_8Gb # 3: { 0, 1, 1 }
+SPD_SOURCES += empty # 4: { 1, 0, 0 }
+SPD_SOURCES += samsung_8Gb # 5: { 1, 0, 1 }
+SPD_SOURCES += samsung_4Gb # 6: { 1, 1, 0 }
+SPD_SOURCES += empty # 7: { 1, 1, 1 }
+
+SPD_DEPS := $(foreach f, $(SPD_SOURCES), src/mainboard/$(MAINBOARDDIR)/spd/$(f).spd.hex)
+
+# Include spd rom data
+$(SPD_BIN): $(SPD_DEPS)
+ for f in $+; \
+ do for c in $$(cat $$f | grep -v ^#); \
+ do echo -e -n "\\x$$c"; \
+ done; \
+ done > $@
+
+cbfs-files-y += spd.bin
+spd.bin-file := $(SPD_BIN)
+spd.bin-type := 0xab
diff --git a/src/mainboard/google/samus/spd/elpida_4Gb.spd.hex b/src/mainboard/google/samus/spd/elpida_4Gb.spd.hex
new file mode 100644
index 0000000..e73ba62
--- /dev/null
+++ b/src/mainboard/google/samus/spd/elpida_4Gb.spd.hex
@@ -0,0 +1,16 @@
+92 11 F1 03 04 11 02 0B 03 11 01 08 0A 00 FE 00
+69 78 69 3C 69 11 18 81 20 08 3C 3C 01 40 83 05
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 0F 01 02 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 02 FE 00 00 00 00 00 00 00 00 00
+45 44 46 38 31 33 32 41 33 4D 41 2D 47 44 2D 46
+20 20 32 2E 30 20 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
diff --git a/src/mainboard/google/samus/spd/elpida_8Gb.spd.hex b/src/mainboard/google/samus/spd/elpida_8Gb.spd.hex
new file mode 100644
index 0000000..b790943
--- /dev/null
+++ b/src/mainboard/google/samus/spd/elpida_8Gb.spd.hex
@@ -0,0 +1,16 @@
+92 11 F1 03 04 12 02 0A 03 11 01 08 0A 00 FE 00
+69 78 69 3C 69 11 18 81 20 08 3C 3C 01 40 83 05
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 0F 01 02 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 02 FE 00 00 00 00 00 00 00 00 00
+45 44 46 41 32 33 32 41 32 4D 41 2D 47 44 2D 46
+20 20 32 2E 30 20 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
diff --git a/src/mainboard/google/samus/spd/empty.spd.hex b/src/mainboard/google/samus/spd/empty.spd.hex
new file mode 100644
index 0000000..9ec39f1
--- /dev/null
+++ b/src/mainboard/google/samus/spd/empty.spd.hex
@@ -0,0 +1,16 @@
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 80 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
diff --git a/src/mainboard/google/samus/spd/samsung_4Gb.spd.hex b/src/mainboard/google/samus/spd/samsung_4Gb.spd.hex
new file mode 100644
index 0000000..8821050
--- /dev/null
+++ b/src/mainboard/google/samus/spd/samsung_4Gb.spd.hex
@@ -0,0 +1,16 @@
+92 11 F1 03 04 11 02 0B 03 11 01 08 0A 00 FE 00
+69 78 69 3C 69 11 18 81 F0 0A 3C 3C 01 40 83 01
+00 80 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 0F 11 02 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 80 CE 01 00 00 00 00 00 00 00 00
+4B 34 45 38 45 33 30 34 45 44 2D 45 47 43 45 20
+20 20 00 00 80 CE 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
diff --git a/src/mainboard/google/samus/spd/samsung_8Gb.spd.hex b/src/mainboard/google/samus/spd/samsung_8Gb.spd.hex
new file mode 100644
index 0000000..a7a1409
--- /dev/null
+++ b/src/mainboard/google/samus/spd/samsung_8Gb.spd.hex
@@ -0,0 +1,16 @@
+92 11 F1 03 04 12 02 0A 03 11 01 08 0A 00 FE 00
+69 78 69 3C 69 11 18 81 F0 0A 3C 3C 01 40 83 01
+00 80 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 0F 11 02 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 80 CE 01 00 00 00 00 00 00 00 00
+4B 34 45 36 45 33 30 34 45 44 2D 45 47 43 45 20
+20 20 00 00 80 CE 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
diff --git a/src/mainboard/google/samus/spd/spd.c b/src/mainboard/google/samus/spd/spd.c
new file mode 100644
index 0000000..331fc6d
--- /dev/null
+++ b/src/mainboard/google/samus/spd/spd.c
@@ -0,0 +1,121 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 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 <arch/byteorder.h>
+#include <cbfs.h>
+#include <console/console.h>
+#include <string.h>
+#include <broadwell/gpio.h>
+#include <broadwell/pei_data.h>
+#include <broadwell/romstage.h>
+#include <mainboard/google/samus/gpio.h>
+#include <mainboard/google/samus/spd/spd.h>
+
+static void mainboard_print_spd_info(uint8_t spd[])
+{
+ const int spd_banks[8] = { 8, 16, 32, 64, -1, -1, -1, -1 };
+ const int spd_capmb[8] = { 1, 2, 4, 8, 16, 32, 64, 0 };
+ const int spd_rows[8] = { 12, 13, 14, 15, 16, -1, -1, -1 };
+ const int spd_cols[8] = { 9, 10, 11, 12, -1, -1, -1, -1 };
+ const int spd_ranks[8] = { 1, 2, 3, 4, -1, -1, -1, -1 };
+ const int spd_devw[8] = { 4, 8, 16, 32, -1, -1, -1, -1 };
+ const int spd_busw[8] = { 8, 16, 32, 64, -1, -1, -1, -1 };
+ char spd_name[SPD_PART_LEN+1] = { 0 };
+
+ int banks = spd_banks[(spd[SPD_DENSITY_BANKS] >> 4) & 7];
+ int capmb = spd_capmb[spd[SPD_DENSITY_BANKS] & 7] * 256;
+ int rows = spd_rows[(spd[SPD_ADDRESSING] >> 3) & 7];
+ int cols = spd_cols[spd[SPD_ADDRESSING] & 7];
+ int ranks = spd_ranks[(spd[SPD_ORGANIZATION] >> 3) & 7];
+ int devw = spd_devw[spd[SPD_ORGANIZATION] & 7];
+ int busw = spd_busw[spd[SPD_BUS_DEV_WIDTH] & 7];
+
+ /* Module type */
+ printk(BIOS_INFO, "SPD: module type is ");
+ switch (spd[SPD_DRAM_TYPE]) {
+ case SPD_DRAM_DDR3:
+ printk(BIOS_INFO, "DDR3\n");
+ break;
+ case SPD_DRAM_LPDDR3:
+ printk(BIOS_INFO, "LPDDR3\n");
+ break;
+ default:
+ printk(BIOS_INFO, "Unknown (%02x)\n", spd[SPD_DRAM_TYPE]);
+ break;
+ }
+
+ /* Module Part Number */
+ memcpy(spd_name, &spd[SPD_PART_OFF], SPD_PART_LEN);
+ spd_name[SPD_PART_LEN] = 0;
+ printk(BIOS_INFO, "SPD: module part is %s\n", spd_name);
+
+ printk(BIOS_INFO, "SPD: banks %d, ranks %d, rows %d, columns %d, "
+ "density %d Mb\n", banks, ranks, rows, cols, capmb);
+ printk(BIOS_INFO, "SPD: device width %d bits, bus width %d bits\n",
+ devw, busw);
+
+ if (capmb > 0 && busw > 0 && devw > 0 && ranks > 0) {
+ /* SIZE = DENSITY / 8 * BUS_WIDTH / SDRAM_WIDTH * RANKS */
+ printk(BIOS_INFO, "SPD: module size is %u MB (per channel)\n",
+ capmb / 8 * busw / devw * ranks);
+ }
+}
+
+/* Copy SPD data for on-board memory */
+void mainboard_fill_spd_data(struct pei_data *pei_data)
+{
+ int spd_gpio[3];
+ int spd_index;
+ int spd_file_len;
+ struct cbfs_file *spd_file;
+
+ spd_gpio[0] = get_gpio(SPD_GPIO_BIT0);
+ spd_gpio[1] = get_gpio(SPD_GPIO_BIT1);
+ spd_gpio[2] = get_gpio(SPD_GPIO_BIT2);
+
+ spd_index = spd_gpio[2] << 2 | spd_gpio[1] << 1 | spd_gpio[0];
+
+ printk(BIOS_DEBUG, "SPD: index %d (GPIO%d=%d GPIO%d=%d GPIO%d=%d)\n",
+ spd_index,
+ SPD_GPIO_BIT2, spd_gpio[2],
+ SPD_GPIO_BIT1, spd_gpio[1],
+ SPD_GPIO_BIT0, spd_gpio[0]);
+
+ spd_file = cbfs_get_file(CBFS_DEFAULT_MEDIA, "spd.bin");
+ if (!spd_file)
+ die("SPD data not found.");
+ spd_file_len = ntohl(spd_file->len);
+
+ if (spd_file_len < ((spd_index + 1) * SPD_LEN)) {
+ printk(BIOS_ERR, "SPD index override to 0 - old hardware?\n");
+ spd_index = 0;
+ }
+
+ if (spd_file_len < SPD_LEN)
+ die("Missing SPD data.");
+
+ /* Assume same memory in both channels */
+ spd_index *= SPD_LEN;
+ memcpy(pei_data->spd_data[0][0],
+ ((char*)CBFS_SUBHEADER(spd_file)) + spd_index, SPD_LEN);
+ memcpy(pei_data->spd_data[1][0],
+ ((char*)CBFS_SUBHEADER(spd_file)) + spd_index, SPD_LEN);
+
+ mainboard_print_spd_info(pei_data->spd_data[0][0]);
+}
diff --git a/src/mainboard/google/samus/spd/spd.h b/src/mainboard/google/samus/spd/spd.h
new file mode 100644
index 0000000..98180fa
--- /dev/null
+++ b/src/mainboard/google/samus/spd/spd.h
@@ -0,0 +1,43 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 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
+ */
+
+#ifndef MAINBOARD_SPD_H
+#define MAINBOARD_SPD_H
+
+#define SPD_LEN 256
+
+#define SPD_DRAM_TYPE 2
+#define SPD_DRAM_DDR3 0x0b
+#define SPD_DRAM_LPDDR3 0xf1
+#define SPD_DENSITY_BANKS 4
+#define SPD_ADDRESSING 5
+#define SPD_ORGANIZATION 7
+#define SPD_BUS_DEV_WIDTH 8
+#define SPD_PART_OFF 128
+#define SPD_PART_LEN 18
+
+/* Samus board memory configuration GPIOs */
+#define SPD_GPIO_BIT0 67
+#define SPD_GPIO_BIT1 68
+#define SPD_GPIO_BIT2 69
+
+struct pei_data;
+void mainboard_fill_spd_data(struct pei_data *pei_data);
+
+#endif
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