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mb/google/octopus: Override DDI1 DDC SDA/SCL for HDMI 

The device Dorp uses the variant Meep, and supports HDMI.

-sku33 (HDMI)
-sku34 (HDMI + keyboard backlight)
-sku35 (HDMI + Touchscreen)
-sku36 (HDMI + keyboard backlight + Touchscreen)

BUG=b:136522841
BRANCH=octopus
TEST=emerge-octopus coreboot

Change-Id: I59ba2e56cf2f83ca9d533454570bcdd39c0a2e7c
Signed-off-by: Wisley Chen <wisley.chen@quantatw.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/34509
Reviewed-by: Marco Chen <marcochen@google.com>
Reviewed-by: Justin TerAvest <teravest@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This commit is contained in:
Wisley Chen 2019-07-23 14:33:04 +08:00 committed by Furquan Shaikh
parent 3b34177830
commit a0a83e1a6c
2 changed files with 56 additions and 2 deletions
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31
src/mainboard/google/octopus/variants/meep/gpio.c
View File

@ -17,6 +17,7 @@
#include <baseboard/variants.h> #include <baseboard/variants.h>
#include <gpio.h> #include <gpio.h>
#include <soc/gpio.h> #include <soc/gpio.h>
#include <variant/sku.h>
static const struct pad_config default_override_table[] = { static const struct pad_config default_override_table[] = {
PAD_NC(GPIO_104, UP_20K), PAD_NC(GPIO_104, UP_20K),
@ -26,8 +27,34 @@ static const struct pad_config default_override_table[] = {
DISPUPD), DISPUPD),
}; };
static const struct pad_config hdmi_sku_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),
};
const struct pad_config *variant_override_gpio_table(size_t *num) const struct pad_config *variant_override_gpio_table(size_t *num)
{ {
*num = ARRAY_SIZE(default_override_table); uint32_t sku_id;
return default_override_table; sku_id = get_board_sku();
switch (sku_id) {
case SKU_33_DORP:
case SKU_34_DORP:
case SKU_35_DORP:
case SKU_36_DORP:
*num = ARRAY_SIZE(hdmi_sku_override_table);
return hdmi_sku_override_table;
default:
*num = ARRAY_SIZE(default_override_table);
return default_override_table;
}
} }

27
src/mainboard/google/octopus/variants/meep/include/variant/sku.h Normal file
View File

@ -0,0 +1,27 @@
/*
* This file is part of the coreboot project.
*
* Copyright 2019 Google LLC
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#ifndef __MAINBOARD_SKU_H__
#define __MAINBOARD_SKU_H__
enum {
SKU_33_DORP = 33, /* HDMI */
SKU_34_DORP = 34, /* HDMI+Kblight */
SKU_35_DORP = 35, /* HDMI+TS */
SKU_36_DORP = 36, /* HDMI+TS+KBlight */
};
#endif /* __MAINBOARD_SKU_H__ */