diff options
| author | Jiaxun Yang <jiaxun.yang@flygoat.com> | 2020-05-26 17:21:16 +0800 |
|---|---|---|
| committer | Thomas Bogendoerfer <tsbogend@alpha.franken.de> | 2020-05-27 13:01:56 +0200 |
| commit | 6423e59a64e7b490499d9d1fb1c2323eea5f134c (patch) | |
| tree | 5f6bcdae4640d9e0637a245040de291cfe3adc8c /arch/mips/loongson64 | |
| parent | d8242e6a71bac37b6cde52c0add533615eef8c5e (diff) | |
| download | linux-6423e59a64e7b490499d9d1fb1c2323eea5f134c.tar.gz | |
MIPS: Loongson64: Switch to generic PCI driver
We can now enable generic PCI driver in Kconfig, and remove legacy
PCI driver code.
Radeon vbios quirk is moved to the platform folder to fit the
new structure.
Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Diffstat (limited to 'arch/mips/loongson64')
| -rw-r--r-- | arch/mips/loongson64/Makefile | 2 | ||||
| -rw-r--r-- | arch/mips/loongson64/vbios_quirk.c | 29 |
2 files changed, 30 insertions, 1 deletions
diff --git a/arch/mips/loongson64/Makefile b/arch/mips/loongson64/Makefile index 61f6add20530..39c06f52b08f 100644 --- a/arch/mips/loongson64/Makefile +++ b/arch/mips/loongson64/Makefile @@ -8,6 +8,6 @@ obj-$(CONFIG_MACH_LOONGSON64) += cop2-ex.o platform.o dma.o \ obj-$(CONFIG_SMP) += smp.o obj-$(CONFIG_NUMA) += numa.o obj-$(CONFIG_RS780_HPET) += hpet.o -obj-$(CONFIG_PCI) += pci.o obj-$(CONFIG_SUSPEND) += pm.o +obj-$(CONFIG_PCI_QUIRKS) += vbios_quirk.o obj-$(CONFIG_CPU_LOONGSON3_CPUCFG_EMULATION) += cpucfg-emul.o diff --git a/arch/mips/loongson64/vbios_quirk.c b/arch/mips/loongson64/vbios_quirk.c new file mode 100644 index 000000000000..9a29e94d3db1 --- /dev/null +++ b/arch/mips/loongson64/vbios_quirk.c @@ -0,0 +1,29 @@ +// SPDX-License-Identifier: GPL-2.0+ + +#include <linux/pci.h> +#include <loongson.h> + +static void pci_fixup_radeon(struct pci_dev *pdev) +{ + struct resource *res = &pdev->resource[PCI_ROM_RESOURCE]; + + if (res->start) + return; + + if (!loongson_sysconf.vgabios_addr) + return; + + pci_disable_rom(pdev); + if (res->parent) + release_resource(res); + + res->start = virt_to_phys((void *) loongson_sysconf.vgabios_addr); + res->end = res->start + 256*1024 - 1; + res->flags = IORESOURCE_MEM | IORESOURCE_ROM_SHADOW | + IORESOURCE_PCI_FIXED; + + dev_info(&pdev->dev, "BAR %d: assigned %pR for Radeon ROM\n", + PCI_ROM_RESOURCE, res); +} +DECLARE_PCI_FIXUP_CLASS_FINAL(PCI_VENDOR_ID_ATI, 0x9615, + PCI_CLASS_DISPLAY_VGA, 8, pci_fixup_radeon); |