diff options
| -rw-r--r-- | hw/arm/vexpress.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/hw/arm/vexpress.c b/hw/arm/vexpress.c index 47a844f756..a2dc759930 100644 --- a/hw/arm/vexpress.c +++ b/hw/arm/vexpress.c @@ -154,6 +154,8 @@ struct VEDBoardInfo { hwaddr loader_start; const hwaddr gic_cpu_if_addr; uint32_t proc_id; + uint32_t num_voltage_sensors; + const uint32_t *voltages; DBoardInitFn *init; }; @@ -246,11 +248,25 @@ static void a9_daughterboard_init(const VEDBoardInfo *daughterboard, sysbus_create_varargs("l2x0", 0x1e00a000, NULL); } +/* Voltage values for SYS_CFG_VOLT daughterboard registers; + * values are in microvolts. + */ +static const uint32_t a9_voltages[] = { + 1000000, /* VD10 : 1.0V : SoC internal logic voltage */ + 1000000, /* VD10_S2 : 1.0V : PL310, L2 cache, RAM, non-PL310 logic */ + 1000000, /* VD10_S3 : 1.0V : Cortex-A9, cores, MPEs, SCU, PL310 logic */ + 1800000, /* VCC1V8 : 1.8V : DDR2 SDRAM, test chip DDR2 I/O supply */ + 900000, /* DDR2VTT : 0.9V : DDR2 SDRAM VTT termination voltage */ + 3300000, /* VCC3V3 : 3.3V : local board supply for misc external logic */ +}; + static const VEDBoardInfo a9_daughterboard = { .motherboard_map = motherboard_legacy_map, .loader_start = 0x60000000, .gic_cpu_if_addr = 0x1e000100, .proc_id = 0x0c000191, + .num_voltage_sensors = ARRAY_SIZE(a9_voltages), + .voltages = a9_voltages, .init = a9_daughterboard_init, }; @@ -338,11 +354,17 @@ static void a15_daughterboard_init(const VEDBoardInfo *daughterboard, /* 0x7ffd0000: PL354 static memory controller: not modelled */ } +static const uint32_t a15_voltages[] = { + 900000, /* Vcore: 0.9V : CPU core voltage */ +}; + static const VEDBoardInfo a15_daughterboard = { .motherboard_map = motherboard_aseries_map, .loader_start = 0x80000000, .gic_cpu_if_addr = 0x2c002000, .proc_id = 0x14000237, + .num_voltage_sensors = ARRAY_SIZE(a15_voltages), + .voltages = a15_voltages, .init = a15_daughterboard_init, }; @@ -358,6 +380,7 @@ static void vexpress_common_init(const VEDBoardInfo *daughterboard, MemoryRegion *vram = g_new(MemoryRegion, 1); MemoryRegion *sram = g_new(MemoryRegion, 1); const hwaddr *map = daughterboard->motherboard_map; + int i; daughterboard->init(daughterboard, args->ram_size, args->cpu_model, pic); @@ -370,6 +393,13 @@ static void vexpress_common_init(const VEDBoardInfo *daughterboard, sysctl = qdev_create(NULL, "realview_sysctl"); qdev_prop_set_uint32(sysctl, "sys_id", sys_id); qdev_prop_set_uint32(sysctl, "proc_id", daughterboard->proc_id); + qdev_prop_set_uint32(sysctl, "len-db-voltage", + daughterboard->num_voltage_sensors); + for (i = 0; i < daughterboard->num_voltage_sensors; i++) { + char *propname = g_strdup_printf("db-voltage[%d]", i); + qdev_prop_set_uint32(sysctl, propname, daughterboard->voltages[i]); + g_free(propname); + } qdev_init_nofail(sysctl); sysbus_mmio_map(SYS_BUS_DEVICE(sysctl), 0, map[VE_SYSREGS]); |