erebion/coreboot
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

lib/spd_bin: Extend LPDDR4 SPD information

Browse source 
Follow JEDEC 21-C to extend LPDDR4 SPD information.

Signed-off-by: Eric Lai <ericr_lai@compal.corp-partner.google.com>
Change-Id: I68c9782c543afab4423296fa7ac1c078db5649c3
Reviewed-on: https://review.coreboot.org/c/coreboot/+/39352
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>
This commit is contained in:
Eric Lai 2020-03-06 21:18:30 +08:00 • committed by Patrick Georgi
commit d0ee87032a
2 changed files with 8 additions and 3 deletions
Download patch file Download diff file Expand all files Collapse all files

3
src/include/spd_bin.h
View file

@ -28,6 +28,7 @@
#define SPD_DRAM_LPDDR3_INTEL 0xF1
#define SPD_DRAM_LPDDR3_JEDEC 0x0F
#define SPD_DRAM_DDR4 0x0C
#define SPD_DRAM_LPDDR4 0x10
#define SPD_DENSITY_BANKS 4
#define SPD_ADDRESSING 5
#define DDR3_ORGANIZATION 7
@ -40,8 +41,6 @@
#define LPDDR3_SPD_PART_LEN 18
#define DDR4_SPD_PART_OFF 329
#define DDR4_SPD_PART_LEN 20
#define LPDDR4_SPD_PART_OFF 329
#define LPDDR4_SPD_PART_LEN 20
struct spd_block {
u8 addr_map[CONFIG_DIMM_MAX]; /* 7 bit I2C addresses */