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xen: xenguest_arm64: map all VIRTIO MMIO region

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When run `virtio scan` on i.MX95, there is abort when accessing virtio
mmio region. The issue is the mmio region is not mapped. So let's map
all virtio mmio regions.

Signed-off-by: Peng Fan <peng.fan@nxp.com>
This commit is contained in:
Peng Fan 2024-01-26 18:29:38 +08:00 • committed by Tom Rini
parent c95e948870
commit 15f832a7dc
1 changed files with 17 additions and 0 deletions
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17
board/xen/xenguest_arm64/xenguest_arm64.c
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@ -31,6 +31,9 @@
DECLARE_GLOBAL_DATA_PTR; DECLARE_GLOBAL_DATA_PTR;
#define GUEST_VIRTIO_MMIO_BASE 0x2000000
#define GUEST_VIRTIO_MMIO_SIZE 0x100000
int board_init(void) int board_init(void)
{ {
return 0; return 0;
@ -212,6 +215,15 @@ static int setup_mem_map(void)
PTE_BLOCK_INNER_SHARE); PTE_BLOCK_INNER_SHARE);
i++; i++;
if (CONFIG_IS_ENABLED(VIRTIO_MMIO)) {
xen_mem_map[i].virt = GUEST_VIRTIO_MMIO_BASE;
xen_mem_map[i].phys = GUEST_VIRTIO_MMIO_BASE;
xen_mem_map[i].size = GUEST_VIRTIO_MMIO_SIZE;
xen_mem_map[i].attrs = (PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
PTE_BLOCK_NON_SHARE);
i++;
}
mem = get_next_memory_node(blob, -1); mem = get_next_memory_node(blob, -1);
if (mem < 0) { if (mem < 0) {
printf("%s: Missing /memory node\n", __func__); printf("%s: Missing /memory node\n", __func__);
@ -219,6 +231,11 @@ static int setup_mem_map(void)
} }
for (; i < MAX_MEM_MAP_REGIONS; i++) { for (; i < MAX_MEM_MAP_REGIONS; i++) {
if (CONFIG_IS_ENABLED(VIRTIO_MMIO)) {
ret = fdt_node_check_compatible(blob, mem, "virtio,mmio");
if (!ret)
continue;
}
ret = fdt_get_resource(blob, mem, "reg", reg++, &res); ret = fdt_get_resource(blob, mem, "reg", reg++, &res);
if (ret == -FDT_ERR_NOTFOUND) { if (ret == -FDT_ERR_NOTFOUND) {
reg = 0; reg = 0;