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x86: Set up Chrome OS to boot into developer mode

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Set up a few fields necessarily to make Chrome OS boot without showing a
firmware error.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
This commit is contained in:
Simon Glass 2020-11-04 09:57:36 -07:00 committed by Bin Meng
parent 96d0aa9143
commit 9910fc183a
1 changed files with 20 additions and 6 deletions
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26
arch/x86/cpu/apollolake/acpi.c
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@ -65,6 +65,21 @@ int arch_write_sci_irq_select(uint scis)
return 0;
}
/**
* chromeos_init_acpi() - Initialise basic data to boot Chrome OS
*
* This tells Chrome OS to boot in developer mode
*
* @cros: Structure to initialise
*/
static void chromeos_init_acpi(struct chromeos_acpi_gnvs *cros)
{
cros->active_main_fw = 1;
cros->active_main_fw = 1; /* A */
cros->switches = CHSW_DEVELOPER_SWITCH;
cros->main_fw_type = 2; /* Developer */
}
int acpi_create_gnvs(struct acpi_global_nvs *gnvs)
{
struct udevice *cpu;
@ -75,12 +90,9 @@ int acpi_create_gnvs(struct acpi_global_nvs *gnvs)
/* TODO(sjg@chromium.org): Add the console log to gnvs->cbmc */
/* Disable this code until a later patch */
#if 0
/* Initialise Verified Boot data */
chromeos_init_acpi(&gnvs->chromeos);
gnvs->chromeos.vbt2 = ACTIVE_ECFW_RO;
#endif
if (IS_ENABLED(CONFIG_CHROMEOS))
chromeos_init_acpi(&gnvs->chromeos);
/* Set unknown wake source */
gnvs->pm1i = ~0ULL;
@ -93,6 +105,8 @@ int acpi_create_gnvs(struct acpi_global_nvs *gnvs)
gnvs->pcnt = ret;
}
gnvs->dpte = 1;
return 0;
}