sravan/system76-coreboot
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

mb/google/brya/variants/primus: update gpios for power consumption

Browse Source 
In different sku, some unused GPIO pins are processed by NC for power
consumption.

BUG=b:196790249
TEST=emerge-brya coreboot chromeos-bootimage and check power

Signed-off-by: Malik_Hsu <malik_hsu@wistron.corp-partner.google.com>
Change-Id: I753e41dec1825299e6cd437b5f67e2d957bc6148
Reviewed-on: https://review.coreboot.org/c/coreboot/+/59563
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
This commit is contained in:
Malik_Hsu
2021-11-23 15:14:08 +08:00
committed by Felix Held
parent 7fd65a9791
commit 655fa5c39b
1 changed files with 27 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

27
src/mainboard/google/brya/variants/primus/variant.c
View File

@@ -5,6 +5,8 @@
#include <device/device.h> #include <device/device.h>
#include <drivers/i2c/hid/chip.h> #include <drivers/i2c/hid/chip.h>
#include <fw_config.h> #include <fw_config.h>
#include <gpio.h>
#include <soc/gpio.h>
static void devtree_update_emmc_rtd3(uint32_t board_ver) static void devtree_update_emmc_rtd3(uint32_t board_ver)
{ {
@@ -27,9 +29,34 @@ static void devtree_update_audio_codec(uint32_t board_ver)
config->hid = "RTL5682"; config->hid = "RTL5682";
} }
static const struct pad_config nvme_disable_pads[] = {
PAD_NC(GPP_B2, NONE), /* B2 : VRALERT# ==> M2_SSD_PLA_L */
PAD_NC(GPP_B4, NONE), /* B4 : PROC_GP3 ==> SSD_PERST_L */
PAD_NC(GPP_D3, NONE), /* D3 : ISH_GP3 ==> M2_SSD_PLN_L */
PAD_NC(GPP_D5, NONE), /* D5 : SRCCLKREQ0# ==> SSD_CLKREQ_ODL */
PAD_NC(GPP_D11, NONE), /* D11 : ISH_SPI_MISO ==> EN_PP3300_SSD */
};
static const struct pad_config emmc_disable_pads[] = {
PAD_NC(GPP_B3, NONE), /* B3 : PROC_GP2 ==> eMMC_PERST_L */
PAD_NC(GPP_E20, NONE), /* E20 : USB_C1_LSX_SOC_TX ==> EN_PP3300_eMMC */
PAD_NC(GPP_F19, NONE), /* F19 : SRCCLKREQ6# ==> EMMC_CLKREQ_ODL */
};
static void disable_unused_gpios(void)
{
int emmc_detected = gpio_get(GPP_T2);
if (emmc_detected == 1)
gpio_configure_pads(nvme_disable_pads, ARRAY_SIZE(nvme_disable_pads));
else
gpio_configure_pads(emmc_disable_pads, ARRAY_SIZE(emmc_disable_pads));
}
void variant_devtree_update(void) void variant_devtree_update(void)
{ {
uint32_t board_ver = board_id(); uint32_t board_ver = board_id();
disable_unused_gpios();
devtree_update_emmc_rtd3(board_ver); devtree_update_emmc_rtd3(board_ver);
devtree_update_audio_codec(board_ver); devtree_update_audio_codec(board_ver);
} }