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| author | Tim Chen <Tim-Chen@quantatw.com> | 2017-08-25 11:00:14 +0800 |
|---|---|---|
| committer | Aaron Durbin <adurbin@chromium.org> | 2017-08-25 17:45:52 +0000 |
| commit | bcefbe163f70ef2590be252057d626e788047b16 (patch) | |
| tree | 7fedd9a329a15286b53316937f605af85f553ae7 /src/mainboard/google | |
| parent | eb064b3947faed91e008d730ce80025738f02e86 (diff) | |
| download | coreboot-bcefbe163f70ef2590be252057d626e788047b16.tar.xz | |
mainboard/google/coral: Add USB2 phy setting override for Santa
In order to pass type C USB2 eye diagram for sku Santa,
USB2 port#1 PHY register needs to be overridden.
port#1:
PERPORTPETXISET = 7
PERPORTTXISET = 2
BUG=b:64880573
BRANCH=master
TEST=emerge-coral coreboot chromeos-bootimage
Change-Id: I07c0b7b0f08263a348befb7d6fd8d01028314470
Signed-off-by: Tim Chen <Tim-Chen@quantatw.com>
Reviewed-on: https://review.coreboot.org/21199
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Diffstat (limited to 'src/mainboard/google')
| -rw-r--r-- | src/mainboard/google/reef/variants/coral/mainboard.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/src/mainboard/google/reef/variants/coral/mainboard.c b/src/mainboard/google/reef/variants/coral/mainboard.c index 3da54569bc..c60c083eac 100644 --- a/src/mainboard/google/reef/variants/coral/mainboard.c +++ b/src/mainboard/google/reef/variants/coral/mainboard.c @@ -16,6 +16,13 @@ #include <stdint.h> #include <ec/google/chromeec/ec.h> #include "baseboard/variants.h" +#include <soc/cpu.h> +#include <soc/intel/apollolake/chip.h> + +enum { + SKU_2_SANTA = 2, + SKU_3_SANTA = 3 +}; uint8_t variant_board_sku(void) { @@ -31,3 +38,22 @@ void variant_nhlt_oem_overrides(const char **oem_id, *oem_table_id = CONFIG_VARIANT_DIR; *oem_revision = variant_board_sku(); } + +void mainboard_devtree_update(struct device *dev) +{ + /* Override dev tree settings per board */ + struct soc_intel_apollolake_config *cfg = dev->chip_info; + uint8_t sku_id; + + sku_id = variant_board_sku(); + + switch (sku_id) { + case SKU_2_SANTA: + case SKU_3_SANTA: + cfg->usb2eye[1].Usb20PerPortPeTxiSet = 7; + cfg->usb2eye[1].Usb20PerPortTxiSet = 2; + break; + default: + break; + } +} |