diff options
Diffstat (limited to 'hw/ppc/e500.c')
| -rw-r--r-- | hw/ppc/e500.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/hw/ppc/e500.c b/hw/ppc/e500.c index 2157d87c19..304c124ffd 100644 --- a/hw/ppc/e500.c +++ b/hw/ppc/e500.c @@ -61,6 +61,8 @@ #define MPC8544_PCI_IO 0xE1000000ULL #define MPC8544_UTIL_OFFSET 0xe0000ULL #define MPC8544_SPIN_BASE 0xEF000000ULL +#define MPC8XXX_GPIO_OFFSET 0x000FF000ULL +#define MPC8XXX_GPIO_IRQ 43 struct boot_info { @@ -122,6 +124,23 @@ static void dt_serial_create(void *fdt, unsigned long long offset, } } +static void create_dt_mpc8xxx_gpio(void *fdt, const char *soc, const char *mpic) +{ + hwaddr mmio0 = MPC8XXX_GPIO_OFFSET; + int irq0 = MPC8XXX_GPIO_IRQ; + gchar *node = g_strdup_printf("%s/gpio@%"PRIx64, soc, mmio0); + + qemu_fdt_add_subnode(fdt, node); + qemu_fdt_setprop_string(fdt, node, "compatible", "fsl,qoriq-gpio"); + qemu_fdt_setprop_cells(fdt, node, "reg", mmio0, 0x1000); + qemu_fdt_setprop_cells(fdt, node, "interrupts", irq0, 0x2); + qemu_fdt_setprop_phandle(fdt, node, "interrupt-parent", mpic); + qemu_fdt_setprop_cells(fdt, node, "#gpio-cells", 2); + qemu_fdt_setprop(fdt, node, "gpio-controller", NULL, 0); + + g_free(node); +} + static int ppce500_load_device_tree(MachineState *machine, PPCE500Params *params, hwaddr addr, @@ -379,6 +398,10 @@ static int ppce500_load_device_tree(MachineState *machine, qemu_fdt_setprop_cell(fdt, pci, "#address-cells", 3); qemu_fdt_setprop_string(fdt, "/aliases", "pci0", pci); + if (params->has_mpc8xxx_gpio) { + create_dt_mpc8xxx_gpio(fdt, soc, mpic); + } + params->fixup_devtree(params, fdt); if (toplevel_compat) { @@ -769,6 +792,15 @@ void ppce500_init(MachineState *machine, PPCE500Params *params) cur_base = (32 * 1024 * 1024); } + if (params->has_mpc8xxx_gpio) { + dev = qdev_create(NULL, "mpc8xxx_gpio"); + s = SYS_BUS_DEVICE(dev); + qdev_init_nofail(dev); + sysbus_connect_irq(s, 0, mpic[MPC8XXX_GPIO_IRQ]); + memory_region_add_subregion(ccsr_addr_space, MPC8XXX_GPIO_OFFSET, + sysbus_mmio_get_region(s, 0)); + } + /* Load kernel. */ if (machine->kernel_filename) { kernel_base = cur_base; |