2ad74deb2a
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>
68 lines
2.2 KiB
C
68 lines
2.2 KiB
C
/*
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*
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* Copyright (C) 2008 Advanced Micro Devices, Inc.
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* Copyright (C) 2008 coresystems GmbH
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <libpayload.h>
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#include <pci.h>
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u8 pci_read_config8(pcidev_t dev, u16 reg)
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{
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outl(dev | (reg & ~3), 0xCF8);
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return inb(0xCFC + (reg & 3));
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}
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u16 pci_read_config16(pcidev_t dev, u16 reg)
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{
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outl(dev | (reg & ~3), 0xCF8);
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return inw(0xCFC + (reg & 3));
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}
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u32 pci_read_config32(pcidev_t dev, u16 reg)
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{
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outl(dev | (reg & ~3), 0xCF8);
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return inl(0xCFC + (reg & 3));
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}
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void pci_write_config8(pcidev_t dev, u16 reg, u8 val)
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{
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outl(dev | (reg & ~3), 0xCF8);
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outb(val, 0xCFC + (reg & 3));
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}
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void pci_write_config16(pcidev_t dev, u16 reg, u16 val)
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{
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outl(dev | (reg & ~3), 0xCF8);
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outw(val, 0xCFC + (reg & 3));
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}
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void pci_write_config32(pcidev_t dev, u16 reg, u32 val)
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{
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outl(dev | (reg & ~3), 0xCF8);
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outl(val, 0xCFC + (reg & 3));
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}
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