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mb/google/poppy: Allow use of optional secondary SPD 

This change adds support for variants to use secondary SPD if
required. This enables a variant to have different types of memory
supported using the same image.

BUG=b:73514687

Change-Id: I3add65ead99c510f2d6ec899fbf2cb9a06c79b0c
Signed-off-by: Furquan Shaikh <furquan@google.com>
Reviewed-on: https://review.coreboot.org/24972
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
This commit is contained in:
Furquan Shaikh 2018-03-02 14:36:56 -08:00
parent 39d3021b16
commit 908ea9132b
3 changed files with 35 additions and 13 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
src/mainboard/google/poppy/romstage.c
View File

@ -110,20 +110,21 @@ static void mainboard_print_spd_info(const uint8_t *spd, enum memory_type type)
}
}
static uintptr_t mainboard_get_spd_data(enum memory_type type)
static uintptr_t mainboard_get_spd_data(enum memory_type type, bool use_sec_spd)
{
char *spd_file;
size_t spd_file_len;
int spd_index;
const size_t spd_len = spd_info[type].len;
const char *spd_bin = use_sec_spd ? "sec-spd.bin" : "spd.bin";
spd_index = variant_memory_sku();
assert(spd_index >= 0);
printk(BIOS_INFO, "SPD index %d\n", spd_index);
/* Load SPD data from CBFS */
spd_file = cbfs_boot_map_with_leak("spd.bin", CBFS_TYPE_SPD,
&spd_file_len);
spd_file = cbfs_boot_map_with_leak(spd_bin, CBFS_TYPE_SPD,
&spd_file_len);
if (!spd_file)
die("SPD data not found.");
@ -160,7 +161,7 @@ void mainboard_memory_init_params(FSPM_UPD *mupd)
p.rcomp_resistor_size);
memcpy(&mem_cfg->RcompTarget, p.rcomp_target, p.rcomp_target_size);
mem_cfg->MemorySpdPtr00 = mainboard_get_spd_data(p.type);
mem_cfg->MemorySpdPtr00 = mainboard_get_spd_data(p.type, p.use_sec_spd);
mem_cfg->MemorySpdPtr10 = mem_cfg->MemorySpdPtr00;
mem_cfg->MemorySpdDataLen = spd_info[p.type].len;
}

38
src/mainboard/google/poppy/spd/Makefile.inc
View File

@ -1,5 +1,19 @@
SPD_BIN = $(obj)/spd.bin
SEC_SPD_BIN = $(obj)/sec-spd.bin
define gen_spd_bin
for f in $2; \
do for c in $$(cat $$f | grep -v ^#); \
do printf $$(printf '\%o' 0x$$c); \
done; \
done > $1
endef
add_spd_to_cbfs= \
$(eval cbfs-files-y += $1) \
$(eval $1-file := $2) \
$(eval $1-type := spd)
ifeq ($(SPD_SOURCES),)
SPD_DEPS := $(error SPD_SOURCES is not set. Variant must provide this)
@ -7,14 +21,20 @@ else
SPD_DEPS := $(foreach f, $(SPD_SOURCES), src/mainboard/$(MAINBOARDDIR)/spd/$(f).spd.hex)
endif
# Include spd ROM data
# Include SPD ROM data
$(SPD_BIN): $(SPD_DEPS)
for f in $+; \
do for c in $$(cat $$f | grep -v ^#); \
do printf $$(printf '\%o' 0x$$c); \
done; \
done > $@
$(call gen_spd_bin, $@, $+)
cbfs-files-y += spd.bin
spd.bin-file := $(SPD_BIN)
spd.bin-type := spd
$(call add_spd_to_cbfs, spd.bin, $(SPD_BIN))
# Add optional secondary SPD ROM data if present
ifneq ($(SEC_SPD_SOURCES),)
SEC_SPD_DEPS := $(foreach f, $(SEC_SPD_SOURCES), src/mainboard/$(MAINBOARDDIR)/spd/$(f).spd.hex)
$(SEC_SPD_BIN): $(SEC_SPD_DEPS)
$(call gen_spd_bin, $@, $+)
$(call add_spd_to_cbfs, sec-spd.bin, $(SEC_SPD_BIN))
endif

1
src/mainboard/google/poppy/variants/baseboard/include/baseboard/variants.h
View File

@ -45,6 +45,7 @@ struct memory_params {
size_t rcomp_resistor_size;
const void *rcomp_target;
size_t rcomp_target_size;
bool use_sec_spd;
};
void variant_memory_params(struct memory_params *p);