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Diffstat (limited to 'src/mainboard/google/samus/spd')
-rw-r--r--src/mainboard/google/samus/spd/Makefile.inc46
-rw-r--r--src/mainboard/google/samus/spd/elpida_4Gb.spd.hex16
-rw-r--r--src/mainboard/google/samus/spd/elpida_8Gb.spd.hex16
-rw-r--r--src/mainboard/google/samus/spd/empty.spd.hex16
-rw-r--r--src/mainboard/google/samus/spd/samsung_4Gb.spd.hex16
-rw-r--r--src/mainboard/google/samus/spd/samsung_8Gb.spd.hex16
-rw-r--r--src/mainboard/google/samus/spd/spd.c121
-rw-r--r--src/mainboard/google/samus/spd/spd.h43
8 files changed, 290 insertions, 0 deletions
diff --git a/src/mainboard/google/samus/spd/Makefile.inc b/src/mainboard/google/samus/spd/Makefile.inc
new file mode 100644
index 0000000000..657a09d01e
--- /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 0000000000..e73ba6201c
--- /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 0000000000..b790943fdc
--- /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 0000000000..9ec39f1ba4
--- /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 0000000000..882105097a
--- /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 0000000000..a7a14093e7
--- /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 0000000000..331fc6dc0f
--- /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 0000000000..98180fa72c
--- /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