Initial definitions for a simple machine using an AST2700 SOC (Cortex-a35 CPU).
AST2700 SOC and its interrupt controller are too complex to handle
in the common Aspeed SoC framework. We introduce a new ast2700
class with instance_init and realize handlers.
AST2700 is a 64 bits quad core cpus and support 8 watchdog.
Update maximum ASPEED_CPUS_NUM to 4 and ASPEED_WDTS_NUM to 8.
In addition, update AspeedSocState to support scuio, sli, sliio and intc.
Add TYPE_ASPEED27X0_SOC machine type.
The SDMC controller is unlocked at SPL stage.
At present, only supports to emulate booting
start from u-boot stage. Set SDMC controller
unlocked by default.
In INTC, each interrupt of INT 128 to INT 136 combines 32 interrupts.
It connect GICINT IRQ GPIO-OUTPUT pins to GIC device with irq 128 to 136.
And, if a device irq is 128 to 136, its irq GPIO-OUTPUT pin is connected to
GICINT or-gates instead of GIC device.
Signed-off-by: Troy Lee <troy_lee@aspeedtech.com>
Signed-off-by: Jamin Lin <jamin_lin@aspeedtech.com>
---
hw/arm/aspeed_ast27x0.c | 563 ++++++++++++++++++++++++++++++++++++
hw/arm/meson.build | 1 +
include/hw/arm/aspeed_soc.h | 28 +-
3 files changed, 590 insertions(+), 2 deletions(-)
create mode 100644 hw/arm/aspeed_ast27x0.c
+static bool aspeed_soc_ast2700_gic_realize(DeviceState *dev, Error **errp)
+{
+ Aspeed27x0SoCState *a = ASPEED27X0_SOC(dev);
+ AspeedSoCState *s = ASPEED_SOC(dev);
+ AspeedSoCClass *sc = ASPEED_SOC_GET_CLASS(s);
+ SysBusDevice *gicbusdev;
+ DeviceState *gicdev;
+ QList *redist_region_count;
+ int i;
+
+ gicbusdev = SYS_BUS_DEVICE(&a->gic);
+ gicdev = DEVICE(&a->gic);
+ qdev_prop_set_uint32(gicdev, "revision", 3);
+ qdev_prop_set_uint32(gicdev, "num-cpu", sc->num_cpus);
+ qdev_prop_set_uint32(gicdev, "num-irq", AST2700_MAX_IRQ);
+
+ redist_region_count = qlist_new();
+ qlist_append_int(redist_region_count, sc->num_cpus);
+ qdev_prop_set_array(gicdev, "redist-region-count", redist_region_count);
+
+ if (!sysbus_realize(gicbusdev, errp)) {
+ return false;
+ }
+ sysbus_mmio_map(gicbusdev, 0, sc->memmap[ASPEED_GIC_DIST]);
+ sysbus_mmio_map(gicbusdev, 1, sc->memmap[ASPEED_GIC_REDIST]);
+
+ for (i = 0; i < sc->num_cpus; i++) {
+ DeviceState *cpudev = DEVICE(&a->cpu[i]);
+ int NUM_IRQS = 256, ARCH_GIC_MAINT_IRQ = 9, VIRTUAL_PMU_IRQ = 7;
+ int ppibase = NUM_IRQS + i * GIC_INTERNAL + GIC_NR_SGIS;
+
+ const int timer_irq[] = {
+ [GTIMER_PHYS] = 14,
+ [GTIMER_VIRT] = 11,
+ [GTIMER_HYP] = 10,
+ [GTIMER_SEC] = 13,
+ };
+ int j;
+
+ for (j = 0; j < ARRAY_SIZE(timer_irq); j++) {
+ qdev_connect_gpio_out(cpudev, j,
+ qdev_get_gpio_in(gicdev, ppibase + timer_irq[j]));
+ }
+
+ qemu_irq irq = qdev_get_gpio_in(gicdev,
+ ppibase + ARCH_GIC_MAINT_IRQ);
+ qdev_connect_gpio_out_named(cpudev, "gicv3-maintenance-interrupt",
+ 0, irq);
+ qdev_connect_gpio_out_named(cpudev, "pmu-interrupt", 0,
+ qdev_get_gpio_in(gicdev, ppibase + VIRTUAL_PMU_IRQ));
+
+ sysbus_connect_irq(gicbusdev, i, qdev_get_gpio_in(cpudev,
ARM_CPU_IRQ));
+ sysbus_connect_irq(gicbusdev, i + sc->num_cpus,
+ qdev_get_gpio_in(cpudev, ARM_CPU_FIQ));
+ sysbus_connect_irq(gicbusdev, i + 2 * sc->num_cpus,
+ qdev_get_gpio_in(cpudev, ARM_CPU_VIRQ));
+ sysbus_connect_irq(gicbusdev, i + 3 * sc->num_cpus,
+ qdev_get_gpio_in(cpudev, ARM_CPU_VFIQ));