diff options
| author | Arthur Heymans <arthur@aheymans.xyz> | 2023-06-20 12:08:33 +0200 |
|---|---|---|
| committer | Felix Singer <service+coreboot-gerrit@felixsinger.de> | 2023-06-22 21:04:31 +0000 |
| commit | e3929efd1e328280e36c4b14a4a1b7e26b259836 (patch) | |
| tree | d0650ce00fc296968ee4a7591e6bdbbfeab9d6ea /src/mainboard/emulation/qemu-aarch64/mainboard.c | |
| parent | 58fe703e088be0af934cc0bf31fc60f87fcfde76 (diff) | |
mb/qemu/aarch64: Add PCI support
Run with "-device pci-bridge,chassis_nr=1" argument to add a bridge and
see that it gets found and picked up by the resource allocator.
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Change-Id: Iad5d87731066a4009d2c4930a01bc15543d9447a
Reviewed-on: https://review.coreboot.org/c/coreboot/+/75925
Reviewed-by: Nico Huber <nico.h@gmx.de>
Reviewed-by: Felix Singer <service+coreboot-gerrit@felixsinger.de>
Reviewed-by: Lean Sheng Tan <sheng.tan@9elements.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/mainboard/emulation/qemu-aarch64/mainboard.c')
| -rw-r--r-- | src/mainboard/emulation/qemu-aarch64/mainboard.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/src/mainboard/emulation/qemu-aarch64/mainboard.c b/src/mainboard/emulation/qemu-aarch64/mainboard.c index 181536ce03..09b983f330 100644 --- a/src/mainboard/emulation/qemu-aarch64/mainboard.c +++ b/src/mainboard/emulation/qemu-aarch64/mainboard.c @@ -4,6 +4,7 @@ #include <symbols.h> #include <device/device.h> #include <bootmem.h> +#include <mainboard/addressmap.h> void bootmem_platform_add_ranges(void) { @@ -21,3 +22,32 @@ struct chip_operations mainboard_ops = { }; struct chip_operations mainboard_emulation_qemu_aarch64_ops = { }; + +static void qemu_aarch64_domain_read_resources(struct device *dev) +{ + struct resource *res; + int index = 0; + /* Initialize the system-wide I/O space constraints. */ + res = new_resource(dev, index++); + res->limit = 0xffff; + res->flags = IORESOURCE_IO | IORESOURCE_ASSIGNED; + + /* Initialize the system-wide memory resources constraints. */ + res = new_resource(dev, index++); + res->base = VIRT_PCIE_LOW_MMIO_BASE; + res->limit = VIRT_PCIE_LOW_MMIO_LIMIT; + res->flags = IORESOURCE_MEM | IORESOURCE_ASSIGNED; + + res = new_resource(dev, index++); + res->base = VIRT_PCIE_HIGH_MMIO_BASE; + res->limit = VIRT_PCIE_HIGH_MMIO_LIMIT; + res->flags = IORESOURCE_MEM | IORESOURCE_ASSIGNED; + + mmio_range(dev, index++, VIRT_PCIE_ECAM_BASE, VIRT_PCIE_ECAM_SIZE); +} + +struct device_operations qemu_aarch64_pci_domain_ops = { + .read_resources = qemu_aarch64_domain_read_resources, + .set_resources = pci_domain_set_resources, + .scan_bus = pci_domain_scan_bus, +}; |