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authorAngel Pons <th3fanbus@gmail.com>2021-06-23 13:55:56 +0200
committerFelix Held <felix-coreboot@felixheld.de>2021-08-27 16:03:32 +0000
commit19f1e9104a5ae08d031b108a9640bf0f61f61b79 (patch)
treeacd363b8be339593845f2c2b76a06a86daeea85a /src/mainboard/google/auron/spd.c
parent3533808a6dbe335fa76bc82869fb6e9719b250ab (diff)
mb/google/auron: Refactor memory-down SPD handling
Variants only need to provide the SPD index and whether said index corresponds to a dual-channel configuration, which can be achieved without using `pei_data`. Add two functions that return the values and use them in `spd.c` at mainboard level. Change-Id: I9bc4527057d4a771883c8cc60da2501516d6fb94 Signed-off-by: Angel Pons <th3fanbus@gmail.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/55803 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org> Reviewed-by: Matt DeVillier <matt.devillier@gmail.com>
Diffstat (limited to 'src/mainboard/google/auron/spd.c')
-rw-r--r--src/mainboard/google/auron/spd.c17
1 files changed, 16 insertions, 1 deletions
diff --git a/src/mainboard/google/auron/spd.c b/src/mainboard/google/auron/spd.c
index 539026b332..52e4d63915 100644
--- a/src/mainboard/google/auron/spd.c
+++ b/src/mainboard/google/auron/spd.c
@@ -19,6 +19,8 @@
#define SPD_PART_OFF 128
#define SPD_PART_LEN 18
+#define SPD_LEN 256
+
static void mainboard_print_spd_info(uint8_t spd[])
{
const int spd_banks[8] = { 8, 16, 32, 64, -1, -1, -1, -1 };
@@ -69,7 +71,7 @@ static void mainboard_print_spd_info(uint8_t spd[])
}
}
-void fill_spd_for_index(uint8_t spd[], unsigned int spd_index)
+static void fill_spd_for_index(uint8_t spd[], unsigned int spd_index)
{
size_t spd_file_len;
uint8_t *spd_file = cbfs_map("spd.bin", &spd_file_len);
@@ -95,3 +97,16 @@ void fill_spd_for_index(uint8_t spd[], unsigned int spd_index)
mainboard_print_spd_info(spd);
}
+
+/* Copy SPD data for on-board memory */
+void mainboard_fill_spd_data(struct pei_data *pei_data)
+{
+ const unsigned int spd_index = variant_get_spd_index();
+
+ fill_spd_for_index(pei_data->spd_data[0][0], spd_index);
+
+ if (variant_is_dual_channel(spd_index))
+ memcpy(pei_data->spd_data[1][0], pei_data->spd_data[0][0], SPD_LEN);
+ else
+ pei_data->dimm_channel1_disabled = 3;
+}