fcbbb91116
After removal of CAR_MIGRATION there are no more reasons to carry around ENV_STAGE_HAS_BSS_SECTION=n case. Replace 'MAYBE_STATIC_BSS' with 'static' and remove explicit zero-initializers. Change-Id: I14dd9f52da5b06f0116bd97496cf794e5e71bc37 Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/40535 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Arthur Heymans <arthur@aheymans.xyz> Reviewed-by: Duncan Laurie <dlaurie@chromium.org> Reviewed-by: Julius Werner <jwerner@chromium.org> Reviewed-by: Furquan Shaikh <furquan@google.com>
86 lines
2.4 KiB
C
86 lines
2.4 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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#include <bootmode.h>
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#include <boot/coreboot_tables.h>
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#include <device/pci_ops.h>
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#include <console/console.h>
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#include <device/device.h>
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#include <southbridge/intel/bd82x6x/pch.h>
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#include <southbridge/intel/common/gpio.h>
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#include <vendorcode/google/chromeos/chromeos.h>
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#include "ec.h"
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#include <ec/quanta/it8518/ec.h>
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void fill_lb_gpios(struct lb_gpios *gpios)
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{
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struct lb_gpio chromeos_gpios[] = {
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/* Lid Switch: Virtual switch */
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{-1, ACTIVE_HIGH, get_lid_switch(), "lid"},
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/* Power Button: Virtual switch */
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/* Hard-code value to de-asserted */
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{-1, ACTIVE_HIGH, 0, "power"},
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/* Was VGA Option ROM loaded? */
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/* -1 indicates that this is a pseudo GPIO */
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{-1, ACTIVE_HIGH, gfx_get_init_done(), "oprom"},
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/* EC is in RW mode when it isn't in recovery mode. */
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{-1, ACTIVE_HIGH, !get_recovery_mode_switch(), "ec_in_rw"}
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};
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lb_add_gpios(gpios, chromeos_gpios, ARRAY_SIZE(chromeos_gpios));
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}
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int get_write_protect_state(void)
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{
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return !get_gpio(7);
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}
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int get_lid_switch(void)
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{
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/* hard-code to open */
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return 1;
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}
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/*
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* The recovery-switch is virtual on Stout and is handled via the EC.
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* Stout recovery mode is only valid if RTC_PWR_STS is set and the EC
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* indicated the recovery keys were pressed. We use a global flag for
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* rec_mode to be used after RTC_POWER_STS has been cleared. This function
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* is complicated by romstage support, which can't use a global variable.
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* Note, rec_mode is the only time the EC is in RO mode, otherwise, RW.
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*/
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int get_recovery_mode_switch(void)
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{
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static int ec_in_rec_mode;
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static int ec_rec_flag_good;
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if (ec_rec_flag_good)
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return ec_in_rec_mode;
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const pci_devfn_t dev = PCI_DEV(0, 0x1f, 0);
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u8 reg8 = pci_s_read_config8(dev, GEN_PMCON_3);
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u8 ec_status = ec_read(EC_STATUS_REG);
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printk(BIOS_SPEW,"%s: EC status:%#x RTC_BAT: %x\n",
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__func__, ec_status, reg8 & RTC_BATTERY_DEAD);
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ec_in_rec_mode = (((reg8 & RTC_BATTERY_DEAD) != 0) &&
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((ec_status & 0x3) == EC_IN_RECOVERY_MODE));
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ec_rec_flag_good = 1;
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return ec_in_rec_mode;
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}
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static const struct cros_gpio cros_gpios[] = {
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CROS_GPIO_REC_AH(CROS_GPIO_VIRTUAL, CROS_GPIO_DEVICE_NAME),
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CROS_GPIO_REC_AH(CROS_GPIO_VIRTUAL, CROS_GPIO_DEVICE_NAME),
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CROS_GPIO_WP_AL(7, CROS_GPIO_DEVICE_NAME),
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};
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void mainboard_chromeos_acpi_generate(void)
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{
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chromeos_acpi_gpio_generate(cros_gpios, ARRAY_SIZE(cros_gpios));
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}
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