Reviewed-by: Eric Auger <eric.auger@xxxxxxxxxx>
only minor things below
On 05/24/2015 12:51 PM, Christoffer Dall wrote:
> From: Shanker Donthineni <shankerd@xxxxxxxxxxxxxx>
>
> In preparation for adding the GICv2m which requires address specifiers
> and is a subnode of the gic, we extend the gic DT definition to specify
> the #address-cells and #size-cells properties and add an empty ranges
> property properties of the DT node, since this is required to add the
> v2m node as a child of the gic node.
>
> Note that we must also expand the irq-map to reference the gic with the
> right address-cells as a consequnce of this change.
consequence
>
> Signed-off-by: Shanker Donthineni <shankerd@xxxxxxxxxxxxxx>
> Signed-off-by: Christoffer Dall <christoffer.dall@xxxxxxxxxx>
> ---
> Changes since v2:
> - New separate patch factoring out changes to existing code for eased
> bisectability in case we broke something
> - The above fixes the issue with non-MSI compatible guests.
>
> hw/arm/virt.c | 17 +++++++++++------
> 1 file changed, 11 insertions(+), 6 deletions(-)
>
> diff --git a/hw/arm/virt.c b/hw/arm/virt.c
> index f9f7482..6797c6f 100644
> --- a/hw/arm/virt.c
> +++ b/hw/arm/virt.c
> @@ -340,7 +340,11 @@ static void fdt_add_gic_node(VirtBoardInfo *vbi)
> 2, vbi->memmap[VIRT_GIC_DIST].size,
> 2, vbi->memmap[VIRT_GIC_CPU].base,
> 2, vbi->memmap[VIRT_GIC_CPU].size);
> + qemu_fdt_setprop_cell(vbi->fdt, "/intc", "#address-cells", 0x2);
> + qemu_fdt_setprop_cell(vbi->fdt, "/intc", "#size-cells", 0x2);
> + qemu_fdt_setprop(vbi->fdt, "/intc", "ranges", NULL, 0);
> qemu_fdt_setprop_cell(vbi->fdt, "/intc", "phandle", vbi->gic_phandle);
> +
spare empty line
> }
>
> static void create_gic(VirtBoardInfo *vbi, qemu_irq *pic)
> @@ -604,11 +608,12 @@ static void create_fw_cfg(const VirtBoardInfo *vbi)
> g_free(nodename);
> }
>
> +#define PCIE_IRQMAP_LEN 10
> static void create_pcie_irq_map(const VirtBoardInfo *vbi, uint32_t gic_phandle,
> int first_irq, const char *nodename)
> {
> int devfn, pin;
> - uint32_t full_irq_map[4 * 4 * 8] = { 0 };
> + uint32_t full_irq_map[4 * 4 * PCIE_IRQMAP_LEN] = { 0 };
> uint32_t *irq_map = full_irq_map;
>
> for (devfn = 0; devfn <= 0x18; devfn += 0x8) {
> @@ -619,15 +624,15 @@ static void create_pcie_irq_map(const VirtBoardInfo *vbi, uint32_t gic_phandle,
> int i;
>
> uint32_t map[] = {
> - devfn << 8, 0, 0, /* devfn */
> - pin + 1, /* PCI pin */
> - gic_phandle, irq_type, irq_nr, irq_level }; /* GIC irq */
> + devfn << 8, 0, 0, /* devfn */
> + pin + 1, /* PCI pin */
> + gic_phandle, 0, 0, irq_type, irq_nr, irq_level }; /* GIC irq */
>
> /* Convert map to big endian */
> - for (i = 0; i < 8; i++) {
> + for (i = 0; i < PCIE_IRQMAP_LEN; i++) {
> irq_map[i] = cpu_to_be32(map[i]);
> }
> - irq_map += 8;
> + irq_map += PCIE_IRQMAP_LEN;
> }
> }
>
>
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