Included creation of ITS as part of SBSA platform GIC initialization. Signed-off-by: Shashi Mallela <shashi.mall...@linaro.org> --- hw/arm/sbsa-ref.c | 79 ++++++++++++++++++++++++++++++++++++++++++++--- 1 file changed, 75 insertions(+), 4 deletions(-)
diff --git a/hw/arm/sbsa-ref.c b/hw/arm/sbsa-ref.c index c1629df603..feadae2f33 100644 --- a/hw/arm/sbsa-ref.c +++ b/hw/arm/sbsa-ref.c @@ -34,7 +34,7 @@ #include "hw/boards.h" #include "hw/ide/internal.h" #include "hw/ide/ahci_internal.h" -#include "hw/intc/arm_gicv3_common.h" +#include "hw/intc/arm_gicv3_its_common.h" #include "hw/loader.h" #include "hw/pci-host/gpex.h" #include "hw/qdev-properties.h" @@ -58,12 +58,26 @@ #define ARCH_TIMER_NS_EL1_IRQ 14 #define ARCH_TIMER_NS_EL2_IRQ 10 +/* + * Enumeration of the possible values of sbsa-ref version + * property. These are arbitrary QEMU-internal values. + * values are :- + * DEFAULT = without ITS memory map + * SBSA_GIC_ITS = with ITS memory map between distributor & redistributor + * regions. This is the current version supported. + */ +typedef enum SbsaRefVersion { + SBSA_DEFAULT, + SBSA_ITS, +} SbsaRefVersion; + enum { SBSA_FLASH, SBSA_MEM, SBSA_CPUPERIPHS, SBSA_GIC_DIST, SBSA_GIC_REDIST, + SBSA_GIC_ITS, SBSA_SECURE_EC, SBSA_GWDT, SBSA_GWDT_REFRESH, @@ -91,6 +105,7 @@ struct SBSAMachineState { void *fdt; int fdt_size; int psci_conduit; + SbsaRefVersion version; DeviceState *gic; PFlashCFI01 *flash[2]; }; @@ -105,8 +120,11 @@ static const MemMapEntry sbsa_ref_memmap[] = { [SBSA_SECURE_MEM] = { 0x20000000, 0x20000000 }, /* Space reserved for CPU peripheral devices */ [SBSA_CPUPERIPHS] = { 0x40000000, 0x00040000 }, + /* GIC components reserved space Start */ [SBSA_GIC_DIST] = { 0x40060000, 0x00010000 }, - [SBSA_GIC_REDIST] = { 0x40080000, 0x04000000 }, + [SBSA_GIC_ITS] = { 0x40070000, 0x00020000 }, + [SBSA_GIC_REDIST] = { 0x400B0000, 0x04000000 }, + /* GIC components reserved space End */ [SBSA_SECURE_EC] = { 0x50000000, 0x00001000 }, [SBSA_GWDT_REFRESH] = { 0x50010000, 0x00001000 }, [SBSA_GWDT_CONTROL] = { 0x50011000, 0x00001000 }, @@ -377,7 +395,20 @@ static void create_secure_ram(SBSAMachineState *sms, memory_region_add_subregion(secure_sysmem, base, secram); } -static void create_gic(SBSAMachineState *sms) +static void create_its(SBSAMachineState *sms) +{ + DeviceState *dev; + + dev = qdev_new(TYPE_ARM_GICV3_ITS); + SysBusDevice *s = SYS_BUS_DEVICE(dev); + + object_property_set_link(OBJECT(dev), "parent-gicv3", OBJECT(sms->gic), + &error_abort); + sysbus_realize_and_unref(s, &error_fatal); + sysbus_mmio_map(s, 0, sbsa_ref_memmap[SBSA_GIC_ITS].base); +} + +static void create_gic(SBSAMachineState *sms, MemoryRegion *mem) { unsigned int smp_cpus = MACHINE(sms)->smp.cpus; SysBusDevice *gicbusdev; @@ -404,6 +435,10 @@ static void create_gic(SBSAMachineState *sms) qdev_prop_set_uint32(sms->gic, "len-redist-region-count", 1); qdev_prop_set_uint32(sms->gic, "redist-region-count[0]", redist0_count); + object_property_set_link(OBJECT(sms->gic), "sysmem", OBJECT(mem), + &error_fatal); + qdev_prop_set_bit(sms->gic, "has-lpi", true); + gicbusdev = SYS_BUS_DEVICE(sms->gic); sysbus_realize_and_unref(gicbusdev, &error_fatal); sysbus_mmio_map(gicbusdev, 0, sbsa_ref_memmap[SBSA_GIC_DIST].base); @@ -450,6 +485,7 @@ static void create_gic(SBSAMachineState *sms) sysbus_connect_irq(gicbusdev, i + 3 * smp_cpus, qdev_get_gpio_in(cpudev, ARM_CPU_VFIQ)); } + create_its(sms); } static void create_uart(const SBSAMachineState *sms, int uart, @@ -755,7 +791,7 @@ static void sbsa_ref_init(MachineState *machine) create_secure_ram(sms, secure_sysmem); - create_gic(sms); + create_gic(sms, sysmem); create_uart(sms, SBSA_UART, sysmem, serial_hd(0)); create_uart(sms, SBSA_SECURE_UART, secure_sysmem, serial_hd(1)); @@ -825,10 +861,39 @@ sbsa_ref_get_default_cpu_node_id(const MachineState *ms, int idx) return idx % ms->numa_state->num_nodes; } +static char *sbsa_get_version(Object *obj, Error **errp) +{ + SBSAMachineState *sms = SBSA_MACHINE(obj); + + switch (sms->version) { + case SBSA_DEFAULT: + return g_strdup("default"); + case SBSA_ITS: + return g_strdup("sbsaits"); + default: + g_assert_not_reached(); + } +} + +static void sbsa_set_version(Object *obj, const char *value, Error **errp) +{ + SBSAMachineState *sms = SBSA_MACHINE(obj); + + if (!strcmp(value, "sbsaits")) { + sms->version = SBSA_ITS; + } else if (!strcmp(value, "default")) { + sms->version = SBSA_DEFAULT; + } else { + error_setg(errp, "Invalid version value"); + error_append_hint(errp, "Valid values are default, sbsaits.\n"); + } +} + static void sbsa_ref_instance_init(Object *obj) { SBSAMachineState *sms = SBSA_MACHINE(obj); + sms->version = SBSA_ITS; sbsa_flash_create(sms); } @@ -850,6 +915,12 @@ static void sbsa_ref_class_init(ObjectClass *oc, void *data) mc->possible_cpu_arch_ids = sbsa_ref_possible_cpu_arch_ids; mc->cpu_index_to_instance_props = sbsa_ref_cpu_index_to_props; mc->get_default_cpu_node_id = sbsa_ref_get_default_cpu_node_id; + + object_class_property_add_str(oc, "version", sbsa_get_version, + sbsa_set_version); + object_class_property_set_description(oc, "version", + "Set the Version type. " + "Valid values are default & sbsaits"); } static const TypeInfo sbsa_ref_info = { -- 2.27.0