diff options
| author | Kevin Chiu <kevin.chiu@quanta.corp-partner.google.com> | 2019-06-17 16:18:27 +0800 |
|---|---|---|
| committer | Furquan Shaikh <furquan@google.com> | 2019-07-03 05:58:33 +0000 |
| commit | 19476c34b0ce20c966d0461ec4d4bb689fce8f35 (patch) | |
| tree | e752bdd2ba6d52f465407da76b4dc0f140904256 /src/mainboard | |
| parent | 84133b161c8be7cbb41fdbdb0196fd42375e141a (diff) | |
mb/google/octopus: Override DDI1 DDC SDA/SCL for Garg HDMI
garg 2A2C DB: SKU ID - 1
garg HDMI DB: SKU ID - 9
garg LTE DB: SKU ID - 17
For HDMI SKU9, GPIO needs to be overriden to enable
DDI1 DDC SDA/SCL.
BUG=b:134912735
BRANCH=octopus
TEST=emerge-octopus coreboot chromeos-bootimage
Change-Id: I6ad8e5aa52f503121b10fe353e4bf4021aee2061
Signed-off-by: Kevin Chiu <Kevin.Chiu@quantatw.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/33552
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>
Reviewed-by: Karthik Ramasubramanian <kramasub@google.com>
Reviewed-by: Justin TerAvest <teravest@chromium.org>
Diffstat (limited to 'src/mainboard')
| -rw-r--r-- | src/mainboard/google/octopus/variants/garg/gpio.c | 35 |
1 files changed, 33 insertions, 2 deletions
diff --git a/src/mainboard/google/octopus/variants/garg/gpio.c b/src/mainboard/google/octopus/variants/garg/gpio.c index a4362409b5..90601ce850 100644 --- a/src/mainboard/google/octopus/variants/garg/gpio.c +++ b/src/mainboard/google/octopus/variants/garg/gpio.c @@ -19,6 +19,12 @@ #include <gpio.h> #include <soc/gpio.h> +enum { + SKU_1_2A2C = 1, + SKU_9_HDMI = 9, + SKU_17_LTE = 17, +}; + static const struct pad_config default_override_table[] = { PAD_NC(GPIO_104, UP_20K), @@ -29,9 +35,34 @@ static const struct pad_config default_override_table[] = { PAD_NC(GPIO_213, DN_20K), }; +static const struct pad_config hdmi_override_table[] = { + PAD_NC(GPIO_104, UP_20K), + + /* HV_DDI1_DDC_SDA */ + PAD_CFG_NF_IOSSTATE_IOSTERM(GPIO_126, NONE, DEEP, NF1, HIZCRx1, + DISPUPD), + /* HV_DDI1_DDC_SCL */ + PAD_CFG_NF_IOSSTATE_IOSTERM(GPIO_127, NONE, DEEP, NF1, HIZCRx1, + DISPUPD), + + /* EN_PP3300_TOUCHSCREEN */ + PAD_CFG_GPO_IOSSTATE_IOSTERM(GPIO_146, 0, DEEP, NONE, Tx0RxDCRx0, + DISPUPD), + + PAD_NC(GPIO_213, DN_20K), +}; + const struct pad_config *variant_override_gpio_table(size_t *num) { - *num = ARRAY_SIZE(default_override_table); + uint32_t sku_id; + sku_id = get_board_sku(); - return default_override_table; + switch (sku_id) { + case SKU_9_HDMI: + *num = ARRAY_SIZE(hdmi_override_table); + return hdmi_override_table; + default: + *num = ARRAY_SIZE(default_override_table); + return default_override_table; + } } |