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libpayload/pci: Add support for bus mapping

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Move the common APIs to pci_ops.c and IO based operations to
pci_io_ops.c, and add pci_map_bus_ops.c to support bus mapping.

TEST=Build pass and boot up to kernel successfully via SSD on Dojo
board, here is the SSD information in boot log:
 == NVME IDENTIFY CONTROLLER DATA ==
    PCI VID   : 0x15b7
    PCI SSVID : 0x15b7
    SN        : 21517J440114
    MN        : WDC PC SN530 SDBPTPZ-256G-1006
    RAB       : 0x4
    AERL      : 0x7
    SQES      : 0x66
    CQES      : 0x44
    NN        : 0x1
Identified NVMe model WDC PC SN530 SDBPTPZ-256G-1006

BUG=b:178565024
BRANCH=cherry

Signed-off-by: Jianjun Wang <jianjun.wang@mediatek.com>
Change-Id: Ie74801bd4f3de51cbb574e86cd9bb09931152554
Reviewed-on: https://review.coreboot.org/c/coreboot/+/56789
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Yu-Ping Wu <yupingso@google.com>
This commit is contained in:
Jianjun Wang
2021-07-28 16:44:43 +08:00
committed by Yu-Ping Wu
parent 7439a49f4c
commit 2ad74deb2a
6 changed files with 138 additions and 45 deletions
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10
payloads/libpayload/Kconfig
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@@ -404,8 +404,14 @@ menu "Drivers"
config PCI
bool "Support for PCI devices"
depends on ARCH_X86 # for now
default y
default y if ARCH_X86
default n
config PCI_IO_OPS
bool "Support for PCI devices with port IO"
depends on PCI && IO_ADDRESS_SPACE
default y if ARCH_X86
default n
config NVRAM
bool "Support for reading/writing NVRAM bytes"