GNUBoot
/
coreboot-kgpe-d16
2
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

device/pci_def.h: Add more bits 

Add more fields for PCIe slots status and link control and
slot capabilities.

Change-Id: I64e40ea6bd731cd52ce006224b7c3091d5ef3aac
Signed-off-by: Patrick Rudolph <patrick.rudolph@9elements.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/78237
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
This commit is contained in:
Patrick Rudolph 2023-10-04 19:50:35 +02:00 committed by Felix Held
parent 1909c3ba9f
commit 17848b65c3
1 changed files with 5 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
src/include/device/pci_def.h
View File

@ -430,6 +430,7 @@
#define PCI_EXP_CLK_PM 0x40000 /* Clock Power Management */
#define PCI_EXP_LNKCAP_PORT 0xff000000 /* Port Number */
#define PCI_EXP_LNKCTL 16 /* Link Control */
#define PCI_EXP_LNKCTL_LD 0x10 /* Link Disable */
#define PCI_EXP_LNKCTL_RL 0x20 /* Retrain Link */
#define PCI_EXP_LNKCTL_CCC 0x40 /* Common Clock Configuration */
#define PCI_EXP_EN_CLK_PM 0x100 /* Enable Clock Power Management */
@ -437,10 +438,14 @@
#define PCI_EXP_LNKSTA_LT 0x800 /* Link Training */
#define PCI_EXP_LNKSTA_SLC 0x1000 /* Slot Clock Configuration */
#define PCI_EXP_SLTCAP 20 /* Slot Capabilities */
#define PCI_EXP_SLTCAP_HPS 0x0020 /* Hot-Plug Surprise */
#define PCI_EXP_SLTCAP_HPC 0x0040 /* Hot-Plug Capable */
#define PCI_EXP_SLTCAP_SPLV 0x7f80 /* Slot Power Limit Value */
#define PCI_EXP_SLTCAP_SPLS 0x18000 /* Slot Power Limit Scale */
#define PCI_EXP_SLTCAP_PSN 0xfff80000 /* Physical Slot Number */
#define PCI_EXP_SLTCTL 24 /* Slot Control */
#define PCI_EXP_SLTSTA 26 /* Slot Status */
#define PCI_EXP_SLTSTA_PDS 0x40 /* Presence Detect Status */
#define PCI_EXP_RTCTL 28 /* Root Control */
#define PCI_EXP_RTCTL_SECEE 0x01 /* System Error on Correctable Error */
#define PCI_EXP_RTCTL_SENFEE 0x02 /* System Error on Non-Fatal Error */