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authorTim Wawrzynczak <twawrzynczak@chromium.org>2021-06-18 12:40:38 -0600
committerPatrick Georgi <pgeorgi@google.com>2021-06-21 05:30:19 +0000
commit8a6907c59219787d32608e1579b431a0ea2bffe4 (patch)
treec1d29a33a5dd9061195a8d73cba007e879edcfa4 /src
parente380a43803135f85ce5c0ebf8b836014a64259e6 (diff)
include/pci_def.h: Add some PCI Power Management CSR bits
Signed-off-by: Tim Wawrzynczak <twawrzynczak@chromium.org> Change-Id: I84c8470764a4e6e09220044966111ffe72078099 Reviewed-on: https://review.coreboot.org/c/coreboot/+/55674 Reviewed-by: Subrata Banik <subrata.banik@intel.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src')
-rw-r--r--src/include/device/pci_def.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/include/device/pci_def.h b/src/include/device/pci_def.h
index d18e750520..22a5390e05 100644
--- a/src/include/device/pci_def.h
+++ b/src/include/device/pci_def.h
@@ -233,6 +233,10 @@
#define PCI_PM_CAP_PME 0x0800 /* PME pin supported */
#define PCI_PM_CTRL 4 /* PM control and status register */
#define PCI_PM_CTRL_STATE_MASK 0x0003 /* Current power state (D0 to D3) */
+#define PCI_PM_CTRL_POWER_STATE_D0 0x0
+#define PCI_PM_CTRL_POWER_STATE_D1 0x1
+#define PCI_PM_CTRL_POWER_STATE_D2 0x2
+#define PCI_PM_CTRL_POWER_STATE_D3HOT 0x3
#define PCI_PM_CTRL_PME_ENABLE 0x0100 /* PME pin enable */
#define PCI_PM_CTRL_DATA_SEL_MASK 0x1e00 /* Data select (??) */
#define PCI_PM_CTRL_DATA_SCALE_MASK 0x6000 /* Data scale (??) */