From 4cee40a19d286b8c77598cc8d6325c17418527fb Mon Sep 17 00:00:00 2001 From: Angel Pons Date: Fri, 9 Oct 2020 23:19:51 +0200 Subject: mb/purism/librem_skl: Drop DQ and DQS byte maps MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit These settings are not necessary for DDR4 and can be dropped. Change-Id: I1946be239f0c90db995a60570474039cef45cfa9 Signed-off-by: Angel Pons Reviewed-on: https://review.coreboot.org/c/coreboot/+/46251 Tested-by: build bot (Jenkins) Reviewed-by: Matt DeVillier Reviewed-by: Michael Niewöhner --- src/mainboard/purism/librem_skl/romstage.c | 26 -------------------------- 1 file changed, 26 deletions(-) (limited to 'src/mainboard') diff --git a/src/mainboard/purism/librem_skl/romstage.c b/src/mainboard/purism/librem_skl/romstage.c index 7be8325176..4982836c66 100644 --- a/src/mainboard/purism/librem_skl/romstage.c +++ b/src/mainboard/purism/librem_skl/romstage.c @@ -5,28 +5,6 @@ #include #include -static void mainboard_fill_dq_map_data(void *dq_map_ch0, void *dq_map_ch1) -{ - /* DQ byte map */ - const u8 dq_map[2][12] = { - { 0x0F, 0xF0, 0x00, 0xF0, 0x0F, 0xF0, - 0x0F, 0x00, 0xFF, 0x00, 0xFF, 0x00 }, - { 0x33, 0xCC, 0x00, 0xCC, 0x33, 0xCC, - 0x33, 0x00, 0xFF, 0x00, 0xFF, 0x00 } }; - memcpy(dq_map_ch0, dq_map[0], sizeof(dq_map[0])); - memcpy(dq_map_ch1, dq_map[1], sizeof(dq_map[1])); -} - -static void mainboard_fill_dqs_map_data(void *dqs_map_ch0, void *dqs_map_ch1) -{ - /* DQS CPU<>DRAM map */ - const u8 dqs_map[2][8] = { - { 0, 1, 3, 2, 4, 5, 6, 7 }, - { 1, 0, 4, 5, 2, 3, 6, 7 } }; - memcpy(dqs_map_ch0, dqs_map[0], sizeof(dqs_map[0])); - memcpy(dqs_map_ch1, dqs_map[1], sizeof(dqs_map[1])); -} - static void mainboard_fill_rcomp_res_data(void *rcomp_ptr) { /* Rcomp resistor */ @@ -54,10 +32,6 @@ void mainboard_memory_init_params(FSPM_UPD *mupd) dump_spd_info(&blk); assert(blk.spd_array[0][0] != 0); - mainboard_fill_dq_map_data(&mem_cfg->DqByteMapCh0, - &mem_cfg->DqByteMapCh1); - mainboard_fill_dqs_map_data(&mem_cfg->DqsMapCpu2DramCh0, - &mem_cfg->DqsMapCpu2DramCh1); mainboard_fill_rcomp_res_data(&mem_cfg->RcompResistor); mainboard_fill_rcomp_strength_data(&mem_cfg->RcompTarget); -- cgit v1.2.3