diff options
| -rw-r--r-- | src/mainboard/google/reef/variants/snappy/mainboard.c | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/src/mainboard/google/reef/variants/snappy/mainboard.c b/src/mainboard/google/reef/variants/snappy/mainboard.c index 2767df245e..ac76a88a98 100644 --- a/src/mainboard/google/reef/variants/snappy/mainboard.c +++ b/src/mainboard/google/reef/variants/snappy/mainboard.c @@ -17,6 +17,22 @@ #include <baseboard/variants.h> #include <ec/google/chromeec/ec.h> #include <vendorcode/google/chromeos/cros_vpd.h> +#include <soc/cpu.h> +#include <soc/intel/apollolake/chip.h> + +/* SKU ID enumeration */ +enum snappy_sku { + SKU_UNKNOWN = -1, + SKU_RESERVED0, + SKU_RESERVED1, + SKU_BIGDADDY_KBDBKLIGHT, + SKU_RESERVED3, + SKU_RESERVED4, + SKU_BIGDADDY, + SKU_RESERVED6, + SKU_ALAN, + SKU_SNAPPY, +}; void variant_board_ec_set_skuid(void) { @@ -63,3 +79,24 @@ uint8_t variant_board_sku(void) return board_sku_num; } + +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_BIGDADDY_KBDBKLIGHT: + case SKU_BIGDADDY: + cfg->usb2eye[1].Usb20PerPortPeTxiSet = 7; + cfg->usb2eye[1].Usb20PerPortTxiSet = 7; + cfg->usb2eye[1].Usb20IUsbTxEmphasisEn = 3; + cfg->usb2eye[1].Usb20PerPortTxPeHalf = 0; + break; + default: + break; + } +} |