* as seen by the guest depend significantly on the FPGA image.
* We model the following FPGA images:
* "mps2-an385" -- Cortex-M3 as documented in ARM Application Note AN385
+ * "mps2-an386" -- Cortex-M4 as documented in ARM Application Note AN386
+ * "mps2-an500" -- Cortex-M7 as documented in ARM Application Note AN500
* "mps2-an511" -- Cortex-M3 'DesignStart' as documented in AN511
*
* Links to the TRM for the board itself and to the various Application
*/
#include "qemu/osdep.h"
+#include "qemu/units.h"
+#include "qemu/cutils.h"
#include "qapi/error.h"
#include "qemu/error-report.h"
#include "hw/arm/boot.h"
#include "hw/timer/cmsdk-apb-timer.h"
#include "hw/timer/cmsdk-apb-dualtimer.h"
#include "hw/misc/mps2-scc.h"
+#include "hw/misc/mps2-fpgaio.h"
+#include "hw/ssi/pl022.h"
+#include "hw/i2c/arm_sbcon_i2c.h"
#include "hw/net/lan9118.h"
#include "net/net.h"
+#include "hw/watchdog/cmsdk-apb-watchdog.h"
+#include "hw/qdev-clock.h"
+#include "qom/object.h"
typedef enum MPS2FPGAType {
FPGA_AN385,
+ FPGA_AN386,
+ FPGA_AN500,
FPGA_AN511,
} MPS2FPGAType;
-typedef struct {
+struct MPS2MachineClass {
MachineClass parent;
MPS2FPGAType fpga_type;
uint32_t scc_id;
-} MPS2MachineClass;
+ bool has_block_ram;
+ hwaddr ethernet_base;
+ hwaddr psram_base;
+};
-typedef struct {
+struct MPS2MachineState {
MachineState parent;
ARMv7MState armv7m;
- MemoryRegion psram;
MemoryRegion ssram1;
MemoryRegion ssram1_m;
MemoryRegion ssram23;
MemoryRegion blockram_m2;
MemoryRegion blockram_m3;
MemoryRegion sram;
+ /* FPGA APB subsystem */
MPS2SCC scc;
+ MPS2FPGAIO fpgaio;
+ /* CMSDK APB subsystem */
CMSDKAPBDualTimer dualtimer;
-} MPS2MachineState;
+ CMSDKAPBWatchdog watchdog;
+ CMSDKAPBTimer timer[2];
+ Clock *sysclk;
+ Clock *refclk;
+};
#define TYPE_MPS2_MACHINE "mps2"
#define TYPE_MPS2_AN385_MACHINE MACHINE_TYPE_NAME("mps2-an385")
+#define TYPE_MPS2_AN386_MACHINE MACHINE_TYPE_NAME("mps2-an386")
+#define TYPE_MPS2_AN500_MACHINE MACHINE_TYPE_NAME("mps2-an500")
#define TYPE_MPS2_AN511_MACHINE MACHINE_TYPE_NAME("mps2-an511")
-#define MPS2_MACHINE(obj) \
- OBJECT_CHECK(MPS2MachineState, obj, TYPE_MPS2_MACHINE)
-#define MPS2_MACHINE_GET_CLASS(obj) \
- OBJECT_GET_CLASS(MPS2MachineClass, obj, TYPE_MPS2_MACHINE)
-#define MPS2_MACHINE_CLASS(klass) \
- OBJECT_CLASS_CHECK(MPS2MachineClass, klass, TYPE_MPS2_MACHINE)
+OBJECT_DECLARE_TYPE(MPS2MachineState, MPS2MachineClass, MPS2_MACHINE)
/* Main SYSCLK frequency in Hz */
#define SYSCLK_FRQ 25000000
+/*
+ * The Application Notes don't say anything about how the
+ * systick reference clock is configured. (Quite possibly
+ * they don't have one at all.) This 1MHz clock matches the
+ * pre-existing behaviour that used to be hardcoded in the
+ * armv7m_systick implementation.
+ */
+#define REFCLK_FRQ (1 * 1000 * 1000)
+
/* Initialize the auxiliary RAM region @mr and map it into
* the memory map at @base.
*/
MemoryRegion *system_memory = get_system_memory();
MachineClass *mc = MACHINE_GET_CLASS(machine);
DeviceState *armv7m, *sccdev;
+ int i;
if (strcmp(machine->cpu_type, mc->default_cpu_type) != 0) {
error_report("This board can only be used with CPU %s",
exit(1);
}
+ if (machine->ram_size != mc->default_ram_size) {
+ char *sz = size_to_str(mc->default_ram_size);
+ error_report("Invalid RAM size, should be %s", sz);
+ g_free(sz);
+ exit(EXIT_FAILURE);
+ }
+
+ /* This clock doesn't need migration because it is fixed-frequency */
+ mms->sysclk = clock_new(OBJECT(machine), "SYSCLK");
+ clock_set_hz(mms->sysclk, SYSCLK_FRQ);
+
+ mms->refclk = clock_new(OBJECT(machine), "REFCLK");
+ clock_set_hz(mms->refclk, REFCLK_FRQ);
+
/* The FPGA images have an odd combination of different RAMs,
* because in hardware they are different implementations and
* connected to different buses, giving varying performance/size
* tradeoffs. For QEMU they're all just RAM, though. We arbitrarily
* call the 16MB our "system memory", as it's the largest lump.
*
- * Common to both boards:
- * 0x21000000..0x21ffffff : PSRAM (16MB)
- * AN385 only:
+ * AN385/AN386/AN511:
+ * 0x21000000 .. 0x21ffffff : PSRAM (16MB)
+ * AN385/AN386/AN500:
* 0x00000000 .. 0x003fffff : ZBT SSRAM1
* 0x00400000 .. 0x007fffff : mirror of ZBT SSRAM1
* 0x20000000 .. 0x203fffff : ZBT SSRAM 2&3
* 0x20400000 .. 0x207fffff : mirror of ZBT SSRAM 2&3
+ * AN385/AN386 only:
* 0x01000000 .. 0x01003fff : block RAM (16K)
* 0x01004000 .. 0x01007fff : mirror of above
* 0x01008000 .. 0x0100bfff : mirror of above
* 0x00400000 .. 0x007fffff : ZBT SSRAM1
* 0x20000000 .. 0x2001ffff : SRAM
* 0x20400000 .. 0x207fffff : ZBT SSRAM 2&3
+ * AN500 only:
+ * 0x60000000 .. 0x60ffffff : PSRAM (16MB)
*
- * The AN385 has a feature where the lowest 16K can be mapped
+ * The AN385/AN386 has a feature where the lowest 16K can be mapped
* either to the bottom of the ZBT SSRAM1 or to the block RAM.
* This is of no use for QEMU so we don't implement it (as if
* zbt_boot_ctrl is always zero).
*/
- memory_region_allocate_system_memory(&mms->psram,
- NULL, "mps.ram", 0x1000000);
- memory_region_add_subregion(system_memory, 0x21000000, &mms->psram);
+ memory_region_add_subregion(system_memory, mmc->psram_base, machine->ram);
- switch (mmc->fpga_type) {
- case FPGA_AN385:
- make_ram(&mms->ssram1, "mps.ssram1", 0x0, 0x400000);
- make_ram_alias(&mms->ssram1_m, "mps.ssram1_m", &mms->ssram1, 0x400000);
- make_ram(&mms->ssram23, "mps.ssram23", 0x20000000, 0x400000);
- make_ram_alias(&mms->ssram23_m, "mps.ssram23_m",
- &mms->ssram23, 0x20400000);
+ if (mmc->has_block_ram) {
make_ram(&mms->blockram, "mps.blockram", 0x01000000, 0x4000);
make_ram_alias(&mms->blockram_m1, "mps.blockram_m1",
&mms->blockram, 0x01004000);
&mms->blockram, 0x01008000);
make_ram_alias(&mms->blockram_m3, "mps.blockram_m3",
&mms->blockram, 0x0100c000);
+ }
+
+ switch (mmc->fpga_type) {
+ case FPGA_AN385:
+ case FPGA_AN386:
+ case FPGA_AN500:
+ make_ram(&mms->ssram1, "mps.ssram1", 0x0, 0x400000);
+ make_ram_alias(&mms->ssram1_m, "mps.ssram1_m", &mms->ssram1, 0x400000);
+ make_ram(&mms->ssram23, "mps.ssram23", 0x20000000, 0x400000);
+ make_ram_alias(&mms->ssram23_m, "mps.ssram23_m",
+ &mms->ssram23, 0x20400000);
break;
case FPGA_AN511:
make_ram(&mms->blockram, "mps.blockram", 0x0, 0x40000);
g_assert_not_reached();
}
- sysbus_init_child_obj(OBJECT(mms), "armv7m", &mms->armv7m,
- sizeof(mms->armv7m), TYPE_ARMV7M);
+ object_initialize_child(OBJECT(mms), "armv7m", &mms->armv7m, TYPE_ARMV7M);
armv7m = DEVICE(&mms->armv7m);
switch (mmc->fpga_type) {
case FPGA_AN385:
+ case FPGA_AN386:
+ case FPGA_AN500:
qdev_prop_set_uint32(armv7m, "num-irq", 32);
break;
case FPGA_AN511:
default:
g_assert_not_reached();
}
+ qdev_connect_clock_in(armv7m, "cpuclk", mms->sysclk);
+ qdev_connect_clock_in(armv7m, "refclk", mms->refclk);
qdev_prop_set_string(armv7m, "cpu-type", machine->cpu_type);
qdev_prop_set_bit(armv7m, "enable-bitband", true);
- object_property_set_link(OBJECT(&mms->armv7m), OBJECT(system_memory),
- "memory", &error_abort);
- object_property_set_bool(OBJECT(&mms->armv7m), true, "realized",
- &error_fatal);
+ object_property_set_link(OBJECT(&mms->armv7m), "memory",
+ OBJECT(system_memory), &error_abort);
+ sysbus_realize(SYS_BUS_DEVICE(&mms->armv7m), &error_fatal);
create_unimplemented_device("zbtsmram mirror", 0x00400000, 0x00400000);
create_unimplemented_device("RESERVED 1", 0x00800000, 0x00800000);
*/
create_unimplemented_device("CMSDK APB peripheral region @0x40000000",
0x40000000, 0x00010000);
- create_unimplemented_device("CMSDK peripheral region @0x40010000",
+ create_unimplemented_device("CMSDK AHB peripheral region @0x40010000",
0x40010000, 0x00010000);
create_unimplemented_device("Extra peripheral region @0x40020000",
0x40020000, 0x00010000);
+
create_unimplemented_device("RESERVED 4", 0x40030000, 0x001D0000);
create_unimplemented_device("VGA", 0x41000000, 0x0200000);
switch (mmc->fpga_type) {
case FPGA_AN385:
+ case FPGA_AN386:
+ case FPGA_AN500:
{
/* The overflow IRQs for UARTs 0, 1 and 2 are ORed together.
* Overflow for UARTs 4 and 5 doesn't trigger any interrupt.
*/
Object *orgate;
DeviceState *orgate_dev;
- int i;
orgate = object_new(TYPE_OR_IRQ);
- object_property_set_int(orgate, 6, "num-lines", &error_fatal);
- object_property_set_bool(orgate, true, "realized", &error_fatal);
+ object_property_set_int(orgate, "num-lines", 6, &error_fatal);
+ qdev_realize(DEVICE(orgate), NULL, &error_fatal);
orgate_dev = DEVICE(orgate);
qdev_connect_gpio_out(orgate_dev, 0, qdev_get_gpio_in(armv7m, 12));
*/
Object *orgate;
DeviceState *orgate_dev;
- int i;
orgate = object_new(TYPE_OR_IRQ);
- object_property_set_int(orgate, 10, "num-lines", &error_fatal);
- object_property_set_bool(orgate, true, "realized", &error_fatal);
+ object_property_set_int(orgate, "num-lines", 10, &error_fatal);
+ qdev_realize(DEVICE(orgate), NULL, &error_fatal);
orgate_dev = DEVICE(orgate);
qdev_connect_gpio_out(orgate_dev, 0, qdev_get_gpio_in(armv7m, 12));
DeviceState *txrx_orgate_dev;
txrx_orgate = object_new(TYPE_OR_IRQ);
- object_property_set_int(txrx_orgate, 2, "num-lines", &error_fatal);
- object_property_set_bool(txrx_orgate, true, "realized",
- &error_fatal);
+ object_property_set_int(txrx_orgate, "num-lines", 2, &error_fatal);
+ qdev_realize(DEVICE(txrx_orgate), NULL, &error_fatal);
txrx_orgate_dev = DEVICE(txrx_orgate);
qdev_connect_gpio_out(txrx_orgate_dev, 0,
qdev_get_gpio_in(armv7m, uart_txrx_irqno[i]));
default:
g_assert_not_reached();
}
+ for (i = 0; i < 4; i++) {
+ static const hwaddr gpiobase[] = {0x40010000, 0x40011000,
+ 0x40012000, 0x40013000};
+ create_unimplemented_device("cmsdk-ahb-gpio", gpiobase[i], 0x1000);
+ }
- cmsdk_apb_timer_create(0x40000000, qdev_get_gpio_in(armv7m, 8), SYSCLK_FRQ);
- cmsdk_apb_timer_create(0x40001000, qdev_get_gpio_in(armv7m, 9), SYSCLK_FRQ);
+ /* CMSDK APB subsystem */
+ for (i = 0; i < ARRAY_SIZE(mms->timer); i++) {
+ g_autofree char *name = g_strdup_printf("timer%d", i);
+ hwaddr base = 0x40000000 + i * 0x1000;
+ int irqno = 8 + i;
+ SysBusDevice *sbd;
+
+ object_initialize_child(OBJECT(mms), name, &mms->timer[i],
+ TYPE_CMSDK_APB_TIMER);
+ sbd = SYS_BUS_DEVICE(&mms->timer[i]);
+ qdev_connect_clock_in(DEVICE(&mms->timer[i]), "pclk", mms->sysclk);
+ sysbus_realize_and_unref(sbd, &error_fatal);
+ sysbus_mmio_map(sbd, 0, base);
+ sysbus_connect_irq(sbd, 0, qdev_get_gpio_in(armv7m, irqno));
+ }
- sysbus_init_child_obj(OBJECT(mms), "dualtimer", &mms->dualtimer,
- sizeof(mms->dualtimer), TYPE_CMSDK_APB_DUALTIMER);
- qdev_prop_set_uint32(DEVICE(&mms->dualtimer), "pclk-frq", SYSCLK_FRQ);
- object_property_set_bool(OBJECT(&mms->dualtimer), true, "realized",
- &error_fatal);
+ object_initialize_child(OBJECT(mms), "dualtimer", &mms->dualtimer,
+ TYPE_CMSDK_APB_DUALTIMER);
+ qdev_connect_clock_in(DEVICE(&mms->dualtimer), "TIMCLK", mms->sysclk);
+ sysbus_realize(SYS_BUS_DEVICE(&mms->dualtimer), &error_fatal);
sysbus_connect_irq(SYS_BUS_DEVICE(&mms->dualtimer), 0,
qdev_get_gpio_in(armv7m, 10));
sysbus_mmio_map(SYS_BUS_DEVICE(&mms->dualtimer), 0, 0x40002000);
-
- sysbus_init_child_obj(OBJECT(mms), "scc", &mms->scc,
- sizeof(mms->scc), TYPE_MPS2_SCC);
+ object_initialize_child(OBJECT(mms), "watchdog", &mms->watchdog,
+ TYPE_CMSDK_APB_WATCHDOG);
+ qdev_connect_clock_in(DEVICE(&mms->watchdog), "WDOGCLK", mms->sysclk);
+ sysbus_realize(SYS_BUS_DEVICE(&mms->watchdog), &error_fatal);
+ sysbus_connect_irq(SYS_BUS_DEVICE(&mms->watchdog), 0,
+ qdev_get_gpio_in_named(armv7m, "NMI", 0));
+ sysbus_mmio_map(SYS_BUS_DEVICE(&mms->watchdog), 0, 0x40008000);
+
+ /* FPGA APB subsystem */
+ object_initialize_child(OBJECT(mms), "scc", &mms->scc, TYPE_MPS2_SCC);
sccdev = DEVICE(&mms->scc);
qdev_prop_set_uint32(sccdev, "scc-cfg4", 0x2);
qdev_prop_set_uint32(sccdev, "scc-aid", 0x00200008);
qdev_prop_set_uint32(sccdev, "scc-id", mmc->scc_id);
- object_property_set_bool(OBJECT(&mms->scc), true, "realized",
- &error_fatal);
+ /* All these FPGA images have the same OSCCLK configuration */
+ qdev_prop_set_uint32(sccdev, "len-oscclk", 3);
+ qdev_prop_set_uint32(sccdev, "oscclk[0]", 50000000);
+ qdev_prop_set_uint32(sccdev, "oscclk[1]", 24576000);
+ qdev_prop_set_uint32(sccdev, "oscclk[2]", 25000000);
+ sysbus_realize(SYS_BUS_DEVICE(&mms->scc), &error_fatal);
sysbus_mmio_map(SYS_BUS_DEVICE(sccdev), 0, 0x4002f000);
+ object_initialize_child(OBJECT(mms), "fpgaio",
+ &mms->fpgaio, TYPE_MPS2_FPGAIO);
+ qdev_prop_set_uint32(DEVICE(&mms->fpgaio), "prescale-clk", 25000000);
+ sysbus_realize(SYS_BUS_DEVICE(&mms->fpgaio), &error_fatal);
+ sysbus_mmio_map(SYS_BUS_DEVICE(&mms->fpgaio), 0, 0x40028000);
+ sysbus_create_simple(TYPE_PL022, 0x40025000, /* External ADC */
+ qdev_get_gpio_in(armv7m, 22));
+ for (i = 0; i < 2; i++) {
+ static const int spi_irqno[] = {11, 24};
+ static const hwaddr spibase[] = {0x40020000, /* APB */
+ 0x40021000, /* LCD */
+ 0x40026000, /* Shield0 */
+ 0x40027000}; /* Shield1 */
+ DeviceState *orgate_dev;
+ Object *orgate;
+ int j;
+
+ orgate = object_new(TYPE_OR_IRQ);
+ object_property_set_int(orgate, "num-lines", 2, &error_fatal);
+ orgate_dev = DEVICE(orgate);
+ qdev_realize(orgate_dev, NULL, &error_fatal);
+ qdev_connect_gpio_out(orgate_dev, 0,
+ qdev_get_gpio_in(armv7m, spi_irqno[i]));
+ for (j = 0; j < 2; j++) {
+ sysbus_create_simple(TYPE_PL022, spibase[2 * i + j],
+ qdev_get_gpio_in(orgate_dev, j));
+ }
+ }
+ for (i = 0; i < 4; i++) {
+ static const hwaddr i2cbase[] = {0x40022000, /* Touch */
+ 0x40023000, /* Audio */
+ 0x40029000, /* Shield0 */
+ 0x4002a000}; /* Shield1 */
+ DeviceState *dev;
+
+ dev = sysbus_create_simple(TYPE_ARM_SBCON_I2C, i2cbase[i], NULL);
+ if (i < 2) {
+ /*
+ * internal-only bus: mark it full to avoid user-created
+ * i2c devices being plugged into it.
+ */
+ BusState *qbus = qdev_get_child_bus(dev, "i2c");
+ qbus_mark_full(qbus);
+ }
+ }
+ create_unimplemented_device("i2s", 0x40024000, 0x400);
/* In hardware this is a LAN9220; the LAN9118 is software compatible
* except that it doesn't support the checksum-offload feature.
*/
- lan9118_init(&nd_table[0], 0x40200000,
+ lan9118_init(&nd_table[0], mmc->ethernet_base,
qdev_get_gpio_in(armv7m,
- mmc->fpga_type == FPGA_AN385 ? 13 : 47));
-
- system_clock_scale = NANOSECONDS_PER_SECOND / SYSCLK_FRQ;
+ mmc->fpga_type == FPGA_AN511 ? 47 : 13));
armv7m_load_kernel(ARM_CPU(first_cpu), machine->kernel_filename,
0x400000);
mc->init = mps2_common_init;
mc->max_cpus = 1;
+ mc->default_ram_size = 16 * MiB;
+ mc->default_ram_id = "mps.ram";
}
static void mps2_an385_class_init(ObjectClass *oc, void *data)
mmc->fpga_type = FPGA_AN385;
mc->default_cpu_type = ARM_CPU_TYPE_NAME("cortex-m3");
mmc->scc_id = 0x41043850;
+ mmc->psram_base = 0x21000000;
+ mmc->ethernet_base = 0x40200000;
+ mmc->has_block_ram = true;
+}
+
+static void mps2_an386_class_init(ObjectClass *oc, void *data)
+{
+ MachineClass *mc = MACHINE_CLASS(oc);
+ MPS2MachineClass *mmc = MPS2_MACHINE_CLASS(oc);
+
+ mc->desc = "ARM MPS2 with AN386 FPGA image for Cortex-M4";
+ mmc->fpga_type = FPGA_AN386;
+ mc->default_cpu_type = ARM_CPU_TYPE_NAME("cortex-m4");
+ mmc->scc_id = 0x41043860;
+ mmc->psram_base = 0x21000000;
+ mmc->ethernet_base = 0x40200000;
+ mmc->has_block_ram = true;
+}
+
+static void mps2_an500_class_init(ObjectClass *oc, void *data)
+{
+ MachineClass *mc = MACHINE_CLASS(oc);
+ MPS2MachineClass *mmc = MPS2_MACHINE_CLASS(oc);
+
+ mc->desc = "ARM MPS2 with AN500 FPGA image for Cortex-M7";
+ mmc->fpga_type = FPGA_AN500;
+ mc->default_cpu_type = ARM_CPU_TYPE_NAME("cortex-m7");
+ mmc->scc_id = 0x41045000;
+ mmc->psram_base = 0x60000000;
+ mmc->ethernet_base = 0xa0000000;
+ mmc->has_block_ram = false;
}
static void mps2_an511_class_init(ObjectClass *oc, void *data)
mmc->fpga_type = FPGA_AN511;
mc->default_cpu_type = ARM_CPU_TYPE_NAME("cortex-m3");
mmc->scc_id = 0x41045110;
+ mmc->psram_base = 0x21000000;
+ mmc->ethernet_base = 0x40200000;
+ mmc->has_block_ram = false;
}
static const TypeInfo mps2_info = {
.class_init = mps2_an385_class_init,
};
+static const TypeInfo mps2_an386_info = {
+ .name = TYPE_MPS2_AN386_MACHINE,
+ .parent = TYPE_MPS2_MACHINE,
+ .class_init = mps2_an386_class_init,
+};
+
+static const TypeInfo mps2_an500_info = {
+ .name = TYPE_MPS2_AN500_MACHINE,
+ .parent = TYPE_MPS2_MACHINE,
+ .class_init = mps2_an500_class_init,
+};
+
static const TypeInfo mps2_an511_info = {
.name = TYPE_MPS2_AN511_MACHINE,
.parent = TYPE_MPS2_MACHINE,
{
type_register_static(&mps2_info);
type_register_static(&mps2_an385_info);
+ type_register_static(&mps2_an386_info);
+ type_register_static(&mps2_an500_info);
type_register_static(&mps2_an511_info);
}
projects / mirror_qemu.git / blobdiff