diff options
| author | Malik_Hsu <malik_hsu@wistron.corp-partner.google.com> | 2021-11-11 10:15:28 +0800 |
|---|---|---|
| committer | Werner Zeh <werner.zeh@siemens.com> | 2021-11-15 10:03:06 +0000 |
| commit | 434fa6367f140f7a9161c759904a3d193dbe62a7 (patch) | |
| tree | e6dea39aaffb8bd8058b13998071210dee5a1897 | |
| parent | 07e6b5f67d4b5e957a56d6dbcd7328238f1074fe (diff) | |
mb/google/brya/variants/primus: enable RTD3 for PCIe-eMMC bridge
Enable RTD3 driver for PCIe-eMMC bridge, If the board version is less
than 1, do not enable RTD3 driver.
BUG=b:204469567
TEST=Boot into eMMC storage and perform suspend stress 100 cycle passed
Signed-off-by: Malik_Hsu <malik_hsu@wistron.corp-partner.google.com>
Change-Id: I5836d65cedfe3907af2c4c33de7a396c4bb8b727
Reviewed-on: https://review.coreboot.org/c/coreboot/+/59135
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
4 files changed, 28 insertions, 2 deletions
diff --git a/src/mainboard/google/brya/variants/primus/Makefile.inc b/src/mainboard/google/brya/variants/primus/Makefile.inc index 129a2938e3..725b883fba 100644 --- a/src/mainboard/google/brya/variants/primus/Makefile.inc +++ b/src/mainboard/google/brya/variants/primus/Makefile.inc @@ -3,3 +3,4 @@ bootblock-y += gpio.c romstage-y += gpio.c ramstage-y += gpio.c ramstage-$(CONFIG_FW_CONFIG) += fw_config.c +ramstage-y += variant.c diff --git a/src/mainboard/google/brya/variants/primus/gpio.c b/src/mainboard/google/brya/variants/primus/gpio.c index c1dfee2f6c..a324fa3454 100644 --- a/src/mainboard/google/brya/variants/primus/gpio.c +++ b/src/mainboard/google/brya/variants/primus/gpio.c @@ -45,8 +45,6 @@ static const struct pad_config override_gpio_table[] = { PAD_NC(GPP_E3, NONE), /* E7 : PROC_GP1 ==> NC */ PAD_NC(GPP_E7, NONE), - /* E20 : USB_C1_LSX_SOC_TX ==> EN_PP3300_eMMC */ - PAD_CFG_GPO(GPP_E20, 1, DEEP), /* F19 : SRCCLKREQ6# ==> EMMC_CLKREQ_ODL */ PAD_CFG_NF(GPP_F19, NONE, DEEP, NF1), @@ -107,6 +105,8 @@ static const struct pad_config early_gpio_table[] = { PAD_CFG_GPO(GPP_E16, 0, DEEP), /* E15 : RSVD_TP ==> PCH_WP_OD */ PAD_CFG_GPI_GPIO_DRIVER(GPP_E15, NONE, DEEP), + /* E20 : USB_C1_LSX_SOC_TX ==> EN_PP3300_eMMC */ + PAD_CFG_GPO(GPP_E20, 1, DEEP), /* F21 : EXT_PWR_GATE2# ==> WWAN_FCPO_L (updated in romstage) */ PAD_CFG_GPO(GPP_F21, 0, DEEP), /* F18 : THC1_SPI2_INT# ==> EC_IN_RW_OD */ diff --git a/src/mainboard/google/brya/variants/primus/overridetree.cb b/src/mainboard/google/brya/variants/primus/overridetree.cb index 81dc1c03aa..8028798f3c 100644 --- a/src/mainboard/google/brya/variants/primus/overridetree.cb +++ b/src/mainboard/google/brya/variants/primus/overridetree.cb @@ -128,6 +128,11 @@ chip soc/intel/alderlake end end device ref pcie_rp3 on + chip soc/intel/common/block/pcie/rtd3 + register "reset_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_B3)" + register "srcclk_pin" = "6" + device generic 0 alias emmc_rtd3 on end + end # Enable PCIe-to-eMMC bridge PCIE 3 using clk 6 register "pch_pcie_rp[PCH_RP(3)]" = "{ .clk_src = 6, diff --git a/src/mainboard/google/brya/variants/primus/variant.c b/src/mainboard/google/brya/variants/primus/variant.c new file mode 100644 index 0000000000..4780334779 --- /dev/null +++ b/src/mainboard/google/brya/variants/primus/variant.c @@ -0,0 +1,20 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#include <baseboard/variants.h> +#include <boardid.h> +#include <device/device.h> + +static void devtree_update_emmc_rtd3(uint32_t board_ver) +{ + struct device *emmc_rtd3 = DEV_PTR(emmc_rtd3); + if (board_ver > 1) + return; + + emmc_rtd3->enabled = 0; +} + +void variant_devtree_update(void) +{ + uint32_t board_ver = board_id(); + devtree_update_emmc_rtd3(board_ver); +} |