From ed18cd56789ff4484028995c17aef232e9cc8e83 Mon Sep 17 00:00:00 2001 From: Michael Brown Date: Wed, 25 Nov 2015 09:32:45 +0000 Subject: [pci] Add definitions for PCI Express function level reset (FLR) Signed-off-by: Michael Brown --- src/include/ipxe/pci.h | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'src/include/ipxe') diff --git a/src/include/ipxe/pci.h b/src/include/ipxe/pci.h index a841e00ff..89d9d8040 100644 --- a/src/include/ipxe/pci.h +++ b/src/include/ipxe/pci.h @@ -104,6 +104,10 @@ FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL ); #define PCI_PM_CTRL_PME_ENABLE 0x0100 /**< PME pin enable */ #define PCI_PM_CTRL_PME_STATUS 0x8000 /**< PME pin status */ +/** PCI Express */ +#define PCI_EXP_DEVCTL 0x08 +#define PCI_EXP_DEVCTL_FLR 0x8000 /**< Function level reset */ + /** Uncorrectable error status */ #define PCI_ERR_UNCOR_STATUS 0x04 @@ -128,6 +132,9 @@ FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL ); ( ( ( (base) & 0xff ) << 16 ) | ( ( (sub) & 0xff ) << 8 ) | \ ( ( (progif) & 0xff) << 0 ) ) +/** PCI Express function level reset delay (in ms) */ +#define PCI_EXP_FLR_DELAY_MS 100 + /** A PCI device ID list entry */ struct pci_device_id { /** Name */ -- cgit v1.2.3-55-g7522