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author | Marshall Dawson <marshalldawson3rd@gmail.com> | 2019-05-03 11:44:22 -0600 |
---|---|---|
committer | Martin Roth <martinroth@google.com> | 2019-06-06 18:51:03 +0000 |
commit | 4ee83b2f9435fe08cb73ba818b567597cafd973d (patch) | |
tree | 3a0d2a58b62ac87d990703926aaf82d8347d5d49 /src/soc/amd/stoneyridge/pmutil.c | |
parent | 3ce0360592f036ce586a49db84146d435a23e662 (diff) | |
download | coreboot-4ee83b2f9435fe08cb73ba818b567597cafd973d.tar.xz |
soc/amd/stoneyridge: Relocate MMIO access of ACPI registers
The AcpiMmio block allowing direct access to the ACPI registers
has remained consistent across AMD models. Move the support from
soc//stoneyridge to soc//common.
BUG=b:131682806
Change-Id: I0e017a71f8efb4b614986cb327de398644599853
Signed-off-by: Marshall Dawson <marshalldawson3rd@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/32655
Reviewed-by: Richard Spiegel <richard.spiegel@silverbackltd.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/soc/amd/stoneyridge/pmutil.c')
-rw-r--r-- | src/soc/amd/stoneyridge/pmutil.c | 26 |
1 files changed, 0 insertions, 26 deletions
diff --git a/src/soc/amd/stoneyridge/pmutil.c b/src/soc/amd/stoneyridge/pmutil.c index 7367251193..59de34890f 100644 --- a/src/soc/amd/stoneyridge/pmutil.c +++ b/src/soc/amd/stoneyridge/pmutil.c @@ -25,29 +25,3 @@ int vbnv_cmos_failed(void) /* If CMOS power has failed, the century will be set to 0xff */ return cmos_read(RTC_CLK_ALTCENTURY) == 0xff; } - -int vboot_platform_is_resuming(void) -{ - if (!(acpi_read16(MMIO_ACPI_PM1_STS) & WAK_STS)) - return 0; - - uint16_t pm_cnt = acpi_read16(MMIO_ACPI_PM1_CNT_BLK); - return acpi_sleep_from_pm1(pm_cnt) == ACPI_S3; -} - -/* If a system reset is about to be requested, modify the PM1 register so it - * will never be misinterpreted as an S3 resume. */ -void set_pm1cnt_s5(void) -{ - uint16_t pm1; - - pm1 = acpi_read16(MMIO_ACPI_PM1_CNT_BLK); - pm1 &= ~SLP_TYP; - pm1 |= SLP_TYP_S5 << SLP_TYP_SHIFT; - acpi_write16(MMIO_ACPI_PM1_CNT_BLK, pm1); -} - -void vboot_platform_prepare_reboot(void) -{ - set_pm1cnt_s5(); -} |