diff options
| -rw-r--r-- | hw/arm/armsse.c | 51 | ||||
| -rw-r--r-- | hw/misc/iotkit-sysinfo.c | 15 | ||||
| -rw-r--r-- | include/hw/misc/iotkit-sysinfo.h | 6 |
3 files changed, 70 insertions, 2 deletions
diff --git a/hw/arm/armsse.c b/hw/arm/armsse.c index 2eb4ea3bfe..19cae77e77 100644 --- a/hw/arm/armsse.c +++ b/hw/arm/armsse.c @@ -18,10 +18,18 @@ #include "hw/arm/armsse.h" #include "hw/arm/arm.h" +/* Format of the System Information block SYS_CONFIG register */ +typedef enum SysConfigFormat { + IoTKitFormat, + SSE200Format, +} SysConfigFormat; + struct ARMSSEInfo { const char *name; int sram_banks; int num_cpus; + uint32_t sys_version; + SysConfigFormat sys_config_format; }; static const ARMSSEInfo armsse_variants[] = { @@ -29,9 +37,39 @@ static const ARMSSEInfo armsse_variants[] = { .name = TYPE_IOTKIT, .sram_banks = 1, .num_cpus = 1, + .sys_version = 0x41743, + .sys_config_format = IoTKitFormat, }, }; +static uint32_t armsse_sys_config_value(ARMSSE *s, const ARMSSEInfo *info) +{ + /* Return the SYS_CONFIG value for this SSE */ + uint32_t sys_config; + + switch (info->sys_config_format) { + case IoTKitFormat: + sys_config = 0; + sys_config = deposit32(sys_config, 0, 4, info->sram_banks); + sys_config = deposit32(sys_config, 4, 4, s->sram_addr_width - 12); + break; + case SSE200Format: + sys_config = 0; + sys_config = deposit32(sys_config, 0, 4, info->sram_banks); + sys_config = deposit32(sys_config, 4, 5, s->sram_addr_width); + sys_config = deposit32(sys_config, 24, 4, 2); + if (info->num_cpus > 1) { + sys_config = deposit32(sys_config, 10, 1, 1); + sys_config = deposit32(sys_config, 20, 4, info->sram_banks - 1); + sys_config = deposit32(sys_config, 28, 4, 2); + } + break; + default: + g_assert_not_reached(); + } + return sys_config; +} + /* Clock frequency in HZ of the 32KHz "slow clock" */ #define S32KCLK (32 * 1000) @@ -726,6 +764,19 @@ static void armsse_realize(DeviceState *dev, Error **errp) qdev_get_gpio_in_named(dev_apb_ppc1, "cfg_sec_resp", 0)); + object_property_set_int(OBJECT(&s->sysinfo), info->sys_version, + "SYS_VERSION", &err); + if (err) { + error_propagate(errp, err); + return; + } + object_property_set_int(OBJECT(&s->sysinfo), + armsse_sys_config_value(s, info), + "SYS_CONFIG", &err); + if (err) { + error_propagate(errp, err); + return; + } object_property_set_bool(OBJECT(&s->sysinfo), true, "realized", &err); if (err) { error_propagate(errp, err); diff --git a/hw/misc/iotkit-sysinfo.c b/hw/misc/iotkit-sysinfo.c index 78955bc45f..026ba94261 100644 --- a/hw/misc/iotkit-sysinfo.c +++ b/hw/misc/iotkit-sysinfo.c @@ -51,15 +51,16 @@ static const int sysinfo_id[] = { static uint64_t iotkit_sysinfo_read(void *opaque, hwaddr offset, unsigned size) { + IoTKitSysInfo *s = IOTKIT_SYSINFO(opaque); uint64_t r; switch (offset) { case A_SYS_VERSION: - r = 0x41743; + r = s->sys_version; break; case A_SYS_CONFIG: - r = 0x31; + r = s->sys_config; break; case A_PID4 ... A_CID3: r = sysinfo_id[(offset - A_PID4) / 4]; @@ -94,6 +95,12 @@ static const MemoryRegionOps iotkit_sysinfo_ops = { .valid.max_access_size = 4, }; +static Property iotkit_sysinfo_props[] = { + DEFINE_PROP_UINT32("SYS_VERSION", IoTKitSysInfo, sys_version, 0), + DEFINE_PROP_UINT32("SYS_CONFIG", IoTKitSysInfo, sys_config, 0), + DEFINE_PROP_END_OF_LIST() +}; + static void iotkit_sysinfo_init(Object *obj) { SysBusDevice *sbd = SYS_BUS_DEVICE(obj); @@ -106,10 +113,14 @@ static void iotkit_sysinfo_init(Object *obj) static void iotkit_sysinfo_class_init(ObjectClass *klass, void *data) { + DeviceClass *dc = DEVICE_CLASS(klass); + /* * This device has no guest-modifiable state and so it * does not need a reset function or VMState. */ + + dc->props = iotkit_sysinfo_props; } static const TypeInfo iotkit_sysinfo_info = { diff --git a/include/hw/misc/iotkit-sysinfo.h b/include/hw/misc/iotkit-sysinfo.h index 7b2e1a5e48..d84eb203b9 100644 --- a/include/hw/misc/iotkit-sysinfo.h +++ b/include/hw/misc/iotkit-sysinfo.h @@ -14,6 +14,8 @@ * Arm IoTKit and documented in * http://infocenter.arm.com/help/index.jsp?topic=/com.arm.doc.ecm0601256/index.html * QEMU interface: + * + QOM property "SYS_VERSION": value to use for SYS_VERSION register + * + QOM property "SYS_CONFIG": value to use for SYS_CONFIG register * + sysbus MMIO region 0: the system information register bank */ @@ -32,6 +34,10 @@ typedef struct IoTKitSysInfo { /*< public >*/ MemoryRegion iomem; + + /* Properties */ + uint32_t sys_version; + uint32_t sys_config; } IoTKitSysInfo; #endif |