mb/google/nissa/var/riven: add fw_config probe for storage devices
1. Add STORAGE_UNKNOWN fw_config to enable all storage devices, this is used for the first boot in factory. 2. Add fw_config probe to enable/disable devices in devicetree instead of variant.c, it can avoid suspend(s0ix) fail issue. BUG=b:328580882 TEST=On riven eMMC and UFS SKUs, boot to OS and run `suspend_stress_test -c 10` pass. Change-Id: I518f1a5955fb88f304663112f1e3d4c744bde183 Signed-off-by: David Wu <david_wu@quanta.corp-partner.google.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/83405 Reviewed-by: Subrata Banik <subratabanik@google.com> Reviewed-by: Eric Lai <ericllai@google.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
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@ -11,6 +11,7 @@ fw_config
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option STORAGE_EMMC 0
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option STORAGE_NVME 1
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option STORAGE_UFS 2
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option STORAGE_UNKNOWN 3
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end
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end
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@ -4,5 +4,4 @@ bootblock-y += gpio.c
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romstage-y += gpio.c
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ramstage-$(CONFIG_FW_CONFIG) += fw_config.c
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ramstage-$(CONFIG_FW_CONFIG) += variant.c
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ramstage-y += gpio.c
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@ -90,9 +90,11 @@ void fw_config_gpio_padbased_override(struct pad_config *padbased_table)
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ARRAY_SIZE(stylus_disable_pads));
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}
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if (!fw_config_probe(FW_CONFIG(STORAGE, STORAGE_EMMC))) {
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printk(BIOS_INFO, "Disable eMMC GPIO pins.\n");
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gpio_padbased_override(padbased_table, emmc_disable_pads,
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if (!fw_config_probe(FW_CONFIG(STORAGE, STORAGE_UNKNOWN))) {
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if (!fw_config_probe(FW_CONFIG(STORAGE, STORAGE_EMMC))) {
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printk(BIOS_INFO, "Disable eMMC GPIO pins.\n");
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gpio_padbased_override(padbased_table, emmc_disable_pads,
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ARRAY_SIZE(emmc_disable_pads));
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}
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}
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}
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@ -478,14 +478,22 @@ chip soc/intel/alderlake
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end
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end
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device ref pcie_rp7 off end # PCIE7 no SD card
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device ref emmc on end
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device ref emmc on
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probe STORAGE STORAGE_UNKNOWN
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probe STORAGE STORAGE_EMMC
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end
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device ref ish on
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chip drivers/intel/ish
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register "add_acpi_dma_property" = "true"
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device generic 0 on end
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end
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probe STORAGE STORAGE_UNKNOWN
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probe STORAGE STORAGE_UFS
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end
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device ref ufs on
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probe STORAGE STORAGE_UNKNOWN
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probe STORAGE STORAGE_UFS
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end
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device ref ufs on end
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device ref pch_espi on
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chip ec/google/chromeec
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use conn0 as mux_conn[0]
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@ -1,29 +0,0 @@
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/* SPDX-License-Identifier: GPL-2.0-only */
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#include <baseboard/variants.h>
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#include <console/console.h>
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#include <device/device.h>
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#include <fw_config.h>
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void variant_devtree_update(void)
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{
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struct device *emmc = DEV_PTR(emmc);
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struct device *ufs = DEV_PTR(ufs);
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struct device *ish = DEV_PTR(ish);
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if (!fw_config_is_provisioned()) {
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printk(BIOS_INFO, "fw_config unprovisioned so enable all storage devices\n");
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return;
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}
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if (!fw_config_probe(FW_CONFIG(STORAGE, STORAGE_EMMC))) {
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printk(BIOS_INFO, "eMMC disabled by fw_config\n");
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emmc->enabled = 0;
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}
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if (!fw_config_probe(FW_CONFIG(STORAGE, STORAGE_UFS))) {
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printk(BIOS_INFO, "UFS disabled by fw_config\n");
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ufs->enabled = 0;
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ish->enabled = 0;
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}
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}
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