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-rw-r--r--hw/arm/vexpress.c81
1 files changed, 70 insertions, 11 deletions
diff --git a/hw/arm/vexpress.c b/hw/arm/vexpress.c
index 02922c38b3..2e1a5d0e5b 100644
--- a/hw/arm/vexpress.c
+++ b/hw/arm/vexpress.c
@@ -147,19 +147,24 @@ typedef struct VEDBoardInfo VEDBoardInfo;
typedef void DBoardInitFn(const VEDBoardInfo *daughterboard,
ram_addr_t ram_size,
const char *cpu_model,
- qemu_irq *pic, uint32_t *proc_id);
+ qemu_irq *pic);
struct VEDBoardInfo {
const hwaddr *motherboard_map;
hwaddr loader_start;
const hwaddr gic_cpu_if_addr;
+ uint32_t proc_id;
+ uint32_t num_voltage_sensors;
+ const uint32_t *voltages;
+ uint32_t num_clocks;
+ const uint32_t *clocks;
DBoardInitFn *init;
};
static void a9_daughterboard_init(const VEDBoardInfo *daughterboard,
ram_addr_t ram_size,
const char *cpu_model,
- qemu_irq *pic, uint32_t *proc_id)
+ qemu_irq *pic)
{
MemoryRegion *sysmem = get_system_memory();
MemoryRegion *ram = g_new(MemoryRegion, 1);
@@ -175,8 +180,6 @@ static void a9_daughterboard_init(const VEDBoardInfo *daughterboard,
cpu_model = "cortex-a9";
}
- *proc_id = 0x0c000191;
-
for (n = 0; n < smp_cpus; n++) {
ARMCPU *cpu = cpu_arm_init(cpu_model);
if (!cpu) {
@@ -247,17 +250,41 @@ 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 */
+};
+
+/* Reset values for daughterboard oscillators (in Hz) */
+static const uint32_t a9_clocks[] = {
+ 45000000, /* AMBA AXI ACLK: 45MHz */
+ 23750000, /* daughterboard CLCD clock: 23.75MHz */
+ 66670000, /* Test chip reference clock: 66.67MHz */
+};
+
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,
+ .num_clocks = ARRAY_SIZE(a9_clocks),
+ .clocks = a9_clocks,
.init = a9_daughterboard_init,
};
static void a15_daughterboard_init(const VEDBoardInfo *daughterboard,
ram_addr_t ram_size,
const char *cpu_model,
- qemu_irq *pic, uint32_t *proc_id)
+ qemu_irq *pic)
{
int n;
MemoryRegion *sysmem = get_system_memory();
@@ -271,8 +298,6 @@ static void a15_daughterboard_init(const VEDBoardInfo *daughterboard,
cpu_model = "cortex-a15";
}
- *proc_id = 0x14000237;
-
for (n = 0; n < smp_cpus; n++) {
ARMCPU *cpu;
qemu_irq *irqp;
@@ -340,10 +365,31 @@ 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 uint32_t a15_clocks[] = {
+ 60000000, /* OSCCLK0: 60MHz : CPU_CLK reference */
+ 0, /* OSCCLK1: reserved */
+ 0, /* OSCCLK2: reserved */
+ 0, /* OSCCLK3: reserved */
+ 40000000, /* OSCCLK4: 40MHz : external AXI master clock */
+ 23750000, /* OSCCLK5: 23.75MHz : HDLCD PLL reference */
+ 50000000, /* OSCCLK6: 50MHz : static memory controller clock */
+ 60000000, /* OSCCLK7: 60MHz : SYSCLK reference */
+ 40000000, /* OSCCLK8: 40MHz : DDR2 PLL reference */
+};
+
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,
+ .num_clocks = ARRAY_SIZE(a15_clocks),
+ .clocks = a15_clocks,
.init = a15_daughterboard_init,
};
@@ -352,7 +398,6 @@ static void vexpress_common_init(const VEDBoardInfo *daughterboard,
{
DeviceState *dev, *sysctl, *pl041;
qemu_irq pic[64];
- uint32_t proc_id;
uint32_t sys_id;
DriveInfo *dinfo;
ram_addr_t vram_size, sram_size;
@@ -360,9 +405,9 @@ 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, &proc_id);
+ daughterboard->init(daughterboard, args->ram_size, args->cpu_model, pic);
/* Motherboard peripherals: the wiring is the same but the
* addresses vary between the legacy and A-Series memory maps.
@@ -372,7 +417,21 @@ 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", proc_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_prop_set_uint32(sysctl, "len-db-clock",
+ daughterboard->num_clocks);
+ for (i = 0; i < daughterboard->num_clocks; i++) {
+ char *propname = g_strdup_printf("db-clock[%d]", i);
+ qdev_prop_set_uint32(sysctl, propname, daughterboard->clocks[i]);
+ g_free(propname);
+ }
qdev_init_nofail(sysctl);
sysbus_mmio_map(SYS_BUS_DEVICE(sysctl), 0, map[VE_SYSREGS]);