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pci: pci-uclass: Add VF BAR map support for Enhanced Allocation

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Makes dm_pci_map_bar API available to map BAR for Virtual function
PCI devices which support Enhanced Allocation.

Signed-off-by: Suneel Garapati <sgarapati@marvell.com>
Cc: Simon Glass <sjg@chromium.org>
Cc: Bin Meng <bmeng.cn@gmail.com>
This commit is contained in:
Suneel Garapati 2019-10-19 16:34:16 -07:00 • committed by Stefan Roese
parent b8852dcfcb
commit 51eeae91c5
2 changed files with 65 additions and 5 deletions
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3
include/pci.h
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@ -465,6 +465,9 @@
#define PCI_EA_FIRST_ENT 4 /* First EA Entry in List */
#define PCI_EA_ES 0x00000007 /* Entry Size */
#define PCI_EA_BEI 0x000000f0 /* BAR Equivalent Indicator */
/* 9-14 map to VF BARs 0-5 respectively */
#define PCI_EA_BEI_VF_BAR0 9
#define PCI_EA_BEI_VF_BAR5 14
/* Base, MaxOffset registers */
/* bit 0 is reserved */
#define PCI_EA_IS_64 0x00000002 /* 64-bit field flag */