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riscv: virt: Correct pci "bus-range" encoding 

The largest pci bus number should be calculated from ECAM size,
instead of its base address.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
This commit is contained in:
Bin Meng 2019-05-29 01:52:01 -07:00 committed by Palmer Dabbelt
parent db21e6f727
commit 5b7ae1cec9
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1 changed files with 1 additions and 1 deletions
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hw/riscv/virt.c
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@ -298,7 +298,7 @@ static void *create_fdt(RISCVVirtState *s, const struct MemmapEntry *memmap,
qemu_fdt_setprop_string(fdt, nodename, "device_type", "pci");
qemu_fdt_setprop_cell(fdt, nodename, "linux,pci-domain", 0);
qemu_fdt_setprop_cells(fdt, nodename, "bus-range", 0,
memmap[VIRT_PCIE_ECAM].base /
memmap[VIRT_PCIE_ECAM].size /
PCIE_MMCFG_SIZE_MIN - 1);
qemu_fdt_setprop(fdt, nodename, "dma-coherent", NULL, 0);
qemu_fdt_setprop_cells(fdt, nodename, "reg", 0, memmap[VIRT_PCIE_ECAM].base,