haraldwolff/qemu-patch-raspberry4
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Enable fw_cfg DMA interface for ARM

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Enable the fw_cfg DMA interface for the ARM virt machine.

Based on Gerd Hoffman's initial implementation.

Signed-off-by: Marc Marí <markmb@redhat.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Marc Marí 2015-10-08 17:02:56 +02:00 committed by Gerd Hoffmann
parent a4c0d1deb7
commit 0b341a85ca
1 changed files with 4 additions and 4 deletions
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8
hw/arm/virt.c
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@ -119,7 +119,7 @@ static const MemMapEntry a15memmap[] = {
[VIRT_GIC_REDIST] = { 0x080A0000, 0x00F60000 },
[VIRT_UART] = { 0x09000000, 0x00001000 },
[VIRT_RTC] = { 0x09010000, 0x00001000 },
[VIRT_FW_CFG] = { 0x09020000, 0x0000000a },
[VIRT_FW_CFG] = { 0x09020000, 0x00000018 },
[VIRT_MMIO] = { 0x0a000000, 0x00000200 },
/* ...repeating for a total of NUM_VIRTIO_TRANSPORTS, each of that size */
[VIRT_PLATFORM_BUS] = { 0x0c000000, 0x02000000 },
@ -677,13 +677,13 @@ static void create_flash(const VirtBoardInfo *vbi)
g_free(nodename);
}
static void create_fw_cfg(const VirtBoardInfo *vbi)
static void create_fw_cfg(const VirtBoardInfo *vbi, AddressSpace *as)
{
hwaddr base = vbi->memmap[VIRT_FW_CFG].base;
hwaddr size = vbi->memmap[VIRT_FW_CFG].size;
char *nodename;
fw_cfg_init_mem_wide(base + 8, base, 8, 0, NULL);
fw_cfg_init_mem_wide(base + 8, base, 8, base + 16, as);
nodename = g_strdup_printf("/fw-cfg@%" PRIx64, base);
qemu_fdt_add_subnode(vbi->fdt, nodename);
@ -1031,7 +1031,7 @@ static void machvirt_init(MachineState *machine)
*/
create_virtio_devices(vbi, pic);
create_fw_cfg(vbi);
create_fw_cfg(vbi, &address_space_memory);
rom_set_fw(fw_cfg_find());
guest_info->smp_cpus = smp_cpus;