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-rw-r--r--src/mainboard/google/slippy/Makefile.inc21
-rw-r--r--src/mainboard/google/slippy/Micron_MT41K256M16HA.spd.hex17
-rw-r--r--src/mainboard/google/slippy/romstage.c34
3 files changed, 71 insertions, 1 deletions
diff --git a/src/mainboard/google/slippy/Makefile.inc b/src/mainboard/google/slippy/Makefile.inc
index 92256e89b2..1b80e6b035 100644
--- a/src/mainboard/google/slippy/Makefile.inc
+++ b/src/mainboard/google/slippy/Makefile.inc
@@ -23,3 +23,24 @@ romstage-$(CONFIG_CHROMEOS) += chromeos.c
ramstage-$(CONFIG_CHROMEOS) += chromeos.c
smm-$(CONFIG_HAVE_SMI_HANDLER) += smihandler.c
+
+## DIMM SPD for on-board memory
+SPD_BIN = $(obj)/spd.bin
+
+# Order of names in SPD_SOURCES is important!
+SPD_SOURCES = Micron_MT41K256M16HA
+
+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
+spd.bin-position := 0xfffec000
diff --git a/src/mainboard/google/slippy/Micron_MT41K256M16HA.spd.hex b/src/mainboard/google/slippy/Micron_MT41K256M16HA.spd.hex
new file mode 100644
index 0000000000..a310e17152
--- /dev/null
+++ b/src/mainboard/google/slippy/Micron_MT41K256M16HA.spd.hex
@@ -0,0 +1,17 @@
+# Micron MT41K256M16HA-125 DDR3L-1600
+92 11 0B 03 04 19 00 02 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 80 2C 00 00 00 00 00 00 00 06 F2
+34 4A 54 46 32 35 36 36 20 34 48 5A 2D 31 47 36
+45 31 45 31 80 2C 00 00 00 00 00 00 00 00 01 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF
+FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF
+FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF
+FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF
+FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF
diff --git a/src/mainboard/google/slippy/romstage.c b/src/mainboard/google/slippy/romstage.c
index e44e48527d..a02a84d96d 100644
--- a/src/mainboard/google/slippy/romstage.c
+++ b/src/mainboard/google/slippy/romstage.c
@@ -21,6 +21,8 @@
#include <delay.h>
#include <stdint.h>
#include <stdlib.h>
+#include <string.h>
+#include <cbfs.h>
#include <console/console.h>
#include "cpu/intel/haswell/haswell.h"
#include "northbridge/intel/haswell/haswell.h"
@@ -73,6 +75,33 @@ const struct rcba_config_instruction rcba_config[] = {
RCBA_END_CONFIG,
};
+/* Copy SPD data for on-board memory */
+static void copy_spd(struct pei_data *peid)
+{
+ const int gpio_vector[] = {13, 9, 47, -1};
+ int spd_index = get_gpios(gpio_vector);
+ struct cbfs_file *spd_file;
+
+ printk(BIOS_DEBUG, "SPD index %d\n", spd_index);
+ spd_file = cbfs_get_file(CBFS_DEFAULT_MEDIA, "spd.bin");
+ if (!spd_file)
+ die("SPD data not found.");
+
+ if (ntohl(spd_file->len) <
+ ((spd_index + 1) * sizeof(peid->spd_data[0]))) {
+ printk(BIOS_ERR, "SPD index override to 0 - old hardware?\n");
+ spd_index = 0;
+ }
+
+ if (spd_file->len < sizeof(peid->spd_data[0]))
+ die("Missing SPD data.");
+
+ memcpy(peid->spd_data[0],
+ ((char*)CBFS_SUBHEADER(spd_file)) +
+ spd_index * sizeof(peid->spd_data[0]),
+ sizeof(peid->spd_data[0]));
+}
+
/*
* Power Sequencing for SanDisk i100/i110 SSD
*
@@ -124,7 +153,7 @@ void mainboard_romstage_entry(unsigned long bist)
temp_mmio_base: 0xfed08000,
system_type: 5, /* ULT */
tseg_size: CONFIG_SMM_TSEG_SIZE,
- spd_addresses: { 0xa2, 0x00, 0xa2, 0x00 },
+ spd_addresses: { 0xff, 0x00, 0xff, 0x00 },
ec_present: 1,
// 0 = leave channel enabled
// 1 = disable dimm 0 on channel
@@ -152,6 +181,9 @@ void mainboard_romstage_entry(unsigned long bist)
.bist = bist,
};
+ /* Prepare SPD data */
+ copy_spd(&pei_data);
+
/* Call into the real romstage main with this board's attributes. */
romstage_common(&romstage_params);