diff options
| author | Jason Glenesk <jason.glenesk@amd.corp-partner.google.com> | 2021-03-10 02:47:05 -0800 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2021-04-16 06:52:19 +0000 |
| commit | fff318fbce753e3148ae2d22f7518fb060d7a652 (patch) | |
| tree | effbf952cd4cf5c16df1b613a8a64f05dc4c09cb /src/soc | |
| parent | 23cc165d6a02020ff408bdcc56a07cd9dc9a2105 (diff) | |
soc/amd/cezanne: Update FADT to support S0i3
Set ACPI_FADT_LOW_PWR_IDLE_S0 flag in FADT.
BUG=b:178728116
TEST=Dump FACP and confirm Flags bits match expected.
Change-Id: I59ef762a18903135f9daa902ba8d1e40c451e96c
Signed-off-by: Jason Glenesk <jason.glenesk@amd.corp-partner.google.com>
Signed-off-by: Mathew King <mathewk@chromium.org>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/52035
Reviewed-by: Raul Rangel <rrangel@chromium.org>
Reviewed-by: Marshall Dawson <marshalldawson3rd@gmail.com>
Reviewed-by: Karthik Ramasubramanian <kramasub@google.com>
Reviewed-by: Furquan Shaikh <furquan@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/soc')
| -rw-r--r-- | src/soc/amd/cezanne/acpi.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/src/soc/amd/cezanne/acpi.c b/src/soc/amd/cezanne/acpi.c index 30201f7b2c..b3931799b1 100644 --- a/src/soc/amd/cezanne/acpi.c +++ b/src/soc/amd/cezanne/acpi.c @@ -56,7 +56,7 @@ unsigned long acpi_fill_madt(unsigned long current) */ void acpi_fill_fadt(acpi_fadt_t *fadt) { - const struct soc_amd_common_config *cfg = soc_get_common_config(); + const struct soc_amd_cezanne_config *cfg = config_of_soc(); printk(BIOS_DEBUG, "pm_base: 0x%04x\n", ACPI_IO_BASE); @@ -87,7 +87,7 @@ void acpi_fill_fadt(acpi_fadt_t *fadt) fadt->day_alrm = RTC_DATE_ALARM; fadt->mon_alrm = 0; fadt->century = RTC_ALT_CENTURY; - fadt->iapc_boot_arch = cfg->fadt_boot_arch; /* legacy free default */ + fadt->iapc_boot_arch = cfg->common_config.fadt_boot_arch; /* legacy free default */ fadt->flags |= ACPI_FADT_WBINVD | /* See table 5-34 ACPI 6.3 spec */ ACPI_FADT_C1_SUPPORTED | ACPI_FADT_S4_RTC_WAKE | @@ -96,7 +96,10 @@ void acpi_fill_fadt(acpi_fadt_t *fadt) ACPI_FADT_PLATFORM_CLOCK | ACPI_FADT_S4_RTC_VALID | ACPI_FADT_REMOTE_POWER_ON; - fadt->flags |= cfg->fadt_flags; /* additional board-specific flags */ + if (cfg->s0ix_enable) + fadt->flags |= ACPI_FADT_LOW_PWR_IDLE_S0; + + fadt->flags |= cfg->common_config.fadt_flags; /* additional board-specific flags */ fadt->x_pm1a_evt_blk.space_id = ACPI_ADDRESS_SPACE_IO; fadt->x_pm1a_evt_blk.bit_width = 32; |