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-rw-r--r--qemu/hw/misc/arm_sysctl.c656
1 files changed, 656 insertions, 0 deletions
diff --git a/qemu/hw/misc/arm_sysctl.c b/qemu/hw/misc/arm_sysctl.c
new file mode 100644
index 000000000..3fad6f86d
--- /dev/null
+++ b/qemu/hw/misc/arm_sysctl.c
@@ -0,0 +1,656 @@
+/*
+ * Status and system control registers for ARM RealView/Versatile boards.
+ *
+ * Copyright (c) 2006-2007 CodeSourcery.
+ * Written by Paul Brook
+ *
+ * This code is licensed under the GPL.
+ */
+
+#include "hw/hw.h"
+#include "qemu/timer.h"
+#include "qemu/bitops.h"
+#include "hw/sysbus.h"
+#include "hw/arm/primecell.h"
+#include "sysemu/sysemu.h"
+
+#define LOCK_VALUE 0xa05f
+
+#define TYPE_ARM_SYSCTL "realview_sysctl"
+#define ARM_SYSCTL(obj) \
+ OBJECT_CHECK(arm_sysctl_state, (obj), TYPE_ARM_SYSCTL)
+
+typedef struct {
+ SysBusDevice parent_obj;
+
+ MemoryRegion iomem;
+ qemu_irq pl110_mux_ctrl;
+
+ uint32_t sys_id;
+ uint32_t leds;
+ uint16_t lockval;
+ uint32_t cfgdata1;
+ uint32_t cfgdata2;
+ uint32_t flags;
+ uint32_t nvflags;
+ uint32_t resetlevel;
+ uint32_t proc_id;
+ uint32_t sys_mci;
+ uint32_t sys_cfgdata;
+ uint32_t sys_cfgctrl;
+ uint32_t sys_cfgstat;
+ uint32_t sys_clcd;
+ uint32_t mb_clock[6];
+ uint32_t *db_clock;
+ uint32_t db_num_vsensors;
+ uint32_t *db_voltage;
+ uint32_t db_num_clocks;
+ uint32_t *db_clock_reset;
+} arm_sysctl_state;
+
+static const VMStateDescription vmstate_arm_sysctl = {
+ .name = "realview_sysctl",
+ .version_id = 4,
+ .minimum_version_id = 1,
+ .fields = (VMStateField[]) {
+ VMSTATE_UINT32(leds, arm_sysctl_state),
+ VMSTATE_UINT16(lockval, arm_sysctl_state),
+ VMSTATE_UINT32(cfgdata1, arm_sysctl_state),
+ VMSTATE_UINT32(cfgdata2, arm_sysctl_state),
+ VMSTATE_UINT32(flags, arm_sysctl_state),
+ VMSTATE_UINT32(nvflags, arm_sysctl_state),
+ VMSTATE_UINT32(resetlevel, arm_sysctl_state),
+ VMSTATE_UINT32_V(sys_mci, arm_sysctl_state, 2),
+ VMSTATE_UINT32_V(sys_cfgdata, arm_sysctl_state, 2),
+ VMSTATE_UINT32_V(sys_cfgctrl, arm_sysctl_state, 2),
+ VMSTATE_UINT32_V(sys_cfgstat, arm_sysctl_state, 2),
+ VMSTATE_UINT32_V(sys_clcd, arm_sysctl_state, 3),
+ VMSTATE_UINT32_ARRAY_V(mb_clock, arm_sysctl_state, 6, 4),
+ VMSTATE_VARRAY_UINT32(db_clock, arm_sysctl_state, db_num_clocks,
+ 4, vmstate_info_uint32, uint32_t),
+ VMSTATE_END_OF_LIST()
+ }
+};
+
+/* The PB926 actually uses a different format for
+ * its SYS_ID register. Fortunately the bits which are
+ * board type on later boards are distinct.
+ */
+#define BOARD_ID_PB926 0x100
+#define BOARD_ID_EB 0x140
+#define BOARD_ID_PBA8 0x178
+#define BOARD_ID_PBX 0x182
+#define BOARD_ID_VEXPRESS 0x190
+
+static int board_id(arm_sysctl_state *s)
+{
+ /* Extract the board ID field from the SYS_ID register value */
+ return (s->sys_id >> 16) & 0xfff;
+}
+
+static void arm_sysctl_reset(DeviceState *d)
+{
+ arm_sysctl_state *s = ARM_SYSCTL(d);
+ int i;
+
+ s->leds = 0;
+ s->lockval = 0;
+ s->cfgdata1 = 0;
+ s->cfgdata2 = 0;
+ s->flags = 0;
+ s->resetlevel = 0;
+ /* Motherboard oscillators (in Hz) */
+ s->mb_clock[0] = 50000000; /* Static memory clock: 50MHz */
+ s->mb_clock[1] = 23750000; /* motherboard CLCD clock: 23.75MHz */
+ s->mb_clock[2] = 24000000; /* IO FPGA peripheral clock: 24MHz */
+ s->mb_clock[3] = 24000000; /* IO FPGA reserved clock: 24MHz */
+ s->mb_clock[4] = 24000000; /* System bus global clock: 24MHz */
+ s->mb_clock[5] = 24000000; /* IO FPGA reserved clock: 24MHz */
+ /* Daughterboard oscillators: reset from property values */
+ for (i = 0; i < s->db_num_clocks; i++) {
+ s->db_clock[i] = s->db_clock_reset[i];
+ }
+ if (board_id(s) == BOARD_ID_VEXPRESS) {
+ /* On VExpress this register will RAZ/WI */
+ s->sys_clcd = 0;
+ } else {
+ /* All others: CLCDID 0x1f, indicating VGA */
+ s->sys_clcd = 0x1f00;
+ }
+}
+
+static uint64_t arm_sysctl_read(void *opaque, hwaddr offset,
+ unsigned size)
+{
+ arm_sysctl_state *s = (arm_sysctl_state *)opaque;
+
+ switch (offset) {
+ case 0x00: /* ID */
+ return s->sys_id;
+ case 0x04: /* SW */
+ /* General purpose hardware switches.
+ We don't have a useful way of exposing these to the user. */
+ return 0;
+ case 0x08: /* LED */
+ return s->leds;
+ case 0x20: /* LOCK */
+ return s->lockval;
+ case 0x0c: /* OSC0 */
+ case 0x10: /* OSC1 */
+ case 0x14: /* OSC2 */
+ case 0x18: /* OSC3 */
+ case 0x1c: /* OSC4 */
+ case 0x24: /* 100HZ */
+ /* ??? Implement these. */
+ return 0;
+ case 0x28: /* CFGDATA1 */
+ return s->cfgdata1;
+ case 0x2c: /* CFGDATA2 */
+ return s->cfgdata2;
+ case 0x30: /* FLAGS */
+ return s->flags;
+ case 0x38: /* NVFLAGS */
+ return s->nvflags;
+ case 0x40: /* RESETCTL */
+ if (board_id(s) == BOARD_ID_VEXPRESS) {
+ /* reserved: RAZ/WI */
+ return 0;
+ }
+ return s->resetlevel;
+ case 0x44: /* PCICTL */
+ return 1;
+ case 0x48: /* MCI */
+ return s->sys_mci;
+ case 0x4c: /* FLASH */
+ return 0;
+ case 0x50: /* CLCD */
+ return s->sys_clcd;
+ case 0x54: /* CLCDSER */
+ return 0;
+ case 0x58: /* BOOTCS */
+ return 0;
+ case 0x5c: /* 24MHz */
+ return muldiv64(qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL), 24000000, get_ticks_per_sec());
+ case 0x60: /* MISC */
+ return 0;
+ case 0x84: /* PROCID0 */
+ return s->proc_id;
+ case 0x88: /* PROCID1 */
+ return 0xff000000;
+ case 0x64: /* DMAPSR0 */
+ case 0x68: /* DMAPSR1 */
+ case 0x6c: /* DMAPSR2 */
+ case 0x70: /* IOSEL */
+ case 0x74: /* PLDCTL */
+ case 0x80: /* BUSID */
+ case 0x8c: /* OSCRESET0 */
+ case 0x90: /* OSCRESET1 */
+ case 0x94: /* OSCRESET2 */
+ case 0x98: /* OSCRESET3 */
+ case 0x9c: /* OSCRESET4 */
+ case 0xc0: /* SYS_TEST_OSC0 */
+ case 0xc4: /* SYS_TEST_OSC1 */
+ case 0xc8: /* SYS_TEST_OSC2 */
+ case 0xcc: /* SYS_TEST_OSC3 */
+ case 0xd0: /* SYS_TEST_OSC4 */
+ return 0;
+ case 0xa0: /* SYS_CFGDATA */
+ if (board_id(s) != BOARD_ID_VEXPRESS) {
+ goto bad_reg;
+ }
+ return s->sys_cfgdata;
+ case 0xa4: /* SYS_CFGCTRL */
+ if (board_id(s) != BOARD_ID_VEXPRESS) {
+ goto bad_reg;
+ }
+ return s->sys_cfgctrl;
+ case 0xa8: /* SYS_CFGSTAT */
+ if (board_id(s) != BOARD_ID_VEXPRESS) {
+ goto bad_reg;
+ }
+ return s->sys_cfgstat;
+ default:
+ bad_reg:
+ qemu_log_mask(LOG_GUEST_ERROR,
+ "arm_sysctl_read: Bad register offset 0x%x\n",
+ (int)offset);
+ return 0;
+ }
+}
+
+/* SYS_CFGCTRL functions */
+#define SYS_CFG_OSC 1
+#define SYS_CFG_VOLT 2
+#define SYS_CFG_AMP 3
+#define SYS_CFG_TEMP 4
+#define SYS_CFG_RESET 5
+#define SYS_CFG_SCC 6
+#define SYS_CFG_MUXFPGA 7
+#define SYS_CFG_SHUTDOWN 8
+#define SYS_CFG_REBOOT 9
+#define SYS_CFG_DVIMODE 11
+#define SYS_CFG_POWER 12
+#define SYS_CFG_ENERGY 13
+
+/* SYS_CFGCTRL site field values */
+#define SYS_CFG_SITE_MB 0
+#define SYS_CFG_SITE_DB1 1
+#define SYS_CFG_SITE_DB2 2
+
+/**
+ * vexpress_cfgctrl_read:
+ * @s: arm_sysctl_state pointer
+ * @dcc, @function, @site, @position, @device: split out values from
+ * SYS_CFGCTRL register
+ * @val: pointer to where to put the read data on success
+ *
+ * Handle a VExpress SYS_CFGCTRL register read. On success, return true and
+ * write the read value to *val. On failure, return false (and val may
+ * or may not be written to).
+ */
+static bool vexpress_cfgctrl_read(arm_sysctl_state *s, unsigned int dcc,
+ unsigned int function, unsigned int site,
+ unsigned int position, unsigned int device,
+ uint32_t *val)
+{
+ /* We don't support anything other than DCC 0, board stack position 0
+ * or sites other than motherboard/daughterboard:
+ */
+ if (dcc != 0 || position != 0 ||
+ (site != SYS_CFG_SITE_MB && site != SYS_CFG_SITE_DB1)) {
+ goto cfgctrl_unimp;
+ }
+
+ switch (function) {
+ case SYS_CFG_VOLT:
+ if (site == SYS_CFG_SITE_DB1 && device < s->db_num_vsensors) {
+ *val = s->db_voltage[device];
+ return true;
+ }
+ if (site == SYS_CFG_SITE_MB && device == 0) {
+ /* There is only one motherboard voltage sensor:
+ * VIO : 3.3V : bus voltage between mother and daughterboard
+ */
+ *val = 3300000;
+ return true;
+ }
+ break;
+ case SYS_CFG_OSC:
+ if (site == SYS_CFG_SITE_MB && device < ARRAY_SIZE(s->mb_clock)) {
+ /* motherboard clock */
+ *val = s->mb_clock[device];
+ return true;
+ }
+ if (site == SYS_CFG_SITE_DB1 && device < s->db_num_clocks) {
+ /* daughterboard clock */
+ *val = s->db_clock[device];
+ return true;
+ }
+ break;
+ default:
+ break;
+ }
+
+cfgctrl_unimp:
+ qemu_log_mask(LOG_UNIMP,
+ "arm_sysctl: Unimplemented SYS_CFGCTRL read of function "
+ "0x%x DCC 0x%x site 0x%x position 0x%x device 0x%x\n",
+ function, dcc, site, position, device);
+ return false;
+}
+
+/**
+ * vexpress_cfgctrl_write:
+ * @s: arm_sysctl_state pointer
+ * @dcc, @function, @site, @position, @device: split out values from
+ * SYS_CFGCTRL register
+ * @val: data to write
+ *
+ * Handle a VExpress SYS_CFGCTRL register write. On success, return true.
+ * On failure, return false.
+ */
+static bool vexpress_cfgctrl_write(arm_sysctl_state *s, unsigned int dcc,
+ unsigned int function, unsigned int site,
+ unsigned int position, unsigned int device,
+ uint32_t val)
+{
+ /* We don't support anything other than DCC 0, board stack position 0
+ * or sites other than motherboard/daughterboard:
+ */
+ if (dcc != 0 || position != 0 ||
+ (site != SYS_CFG_SITE_MB && site != SYS_CFG_SITE_DB1)) {
+ goto cfgctrl_unimp;
+ }
+
+ switch (function) {
+ case SYS_CFG_OSC:
+ if (site == SYS_CFG_SITE_MB && device < ARRAY_SIZE(s->mb_clock)) {
+ /* motherboard clock */
+ s->mb_clock[device] = val;
+ return true;
+ }
+ if (site == SYS_CFG_SITE_DB1 && device < s->db_num_clocks) {
+ /* daughterboard clock */
+ s->db_clock[device] = val;
+ return true;
+ }
+ break;
+ case SYS_CFG_MUXFPGA:
+ if (site == SYS_CFG_SITE_MB && device == 0) {
+ /* Select whether video output comes from motherboard
+ * or daughterboard: log and ignore as QEMU doesn't
+ * support this.
+ */
+ qemu_log_mask(LOG_UNIMP, "arm_sysctl: selection of video output "
+ "not supported, ignoring\n");
+ return true;
+ }
+ break;
+ case SYS_CFG_SHUTDOWN:
+ if (site == SYS_CFG_SITE_MB && device == 0) {
+ qemu_system_shutdown_request();
+ return true;
+ }
+ break;
+ case SYS_CFG_REBOOT:
+ if (site == SYS_CFG_SITE_MB && device == 0) {
+ qemu_system_reset_request();
+ return true;
+ }
+ break;
+ case SYS_CFG_DVIMODE:
+ if (site == SYS_CFG_SITE_MB && device == 0) {
+ /* Selecting DVI mode is meaningless for QEMU: we will
+ * always display the output correctly according to the
+ * pixel height/width programmed into the CLCD controller.
+ */
+ return true;
+ }
+ default:
+ break;
+ }
+
+cfgctrl_unimp:
+ qemu_log_mask(LOG_UNIMP,
+ "arm_sysctl: Unimplemented SYS_CFGCTRL write of function "
+ "0x%x DCC 0x%x site 0x%x position 0x%x device 0x%x\n",
+ function, dcc, site, position, device);
+ return false;
+}
+
+static void arm_sysctl_write(void *opaque, hwaddr offset,
+ uint64_t val, unsigned size)
+{
+ arm_sysctl_state *s = (arm_sysctl_state *)opaque;
+
+ switch (offset) {
+ case 0x08: /* LED */
+ s->leds = val;
+ break;
+ case 0x0c: /* OSC0 */
+ case 0x10: /* OSC1 */
+ case 0x14: /* OSC2 */
+ case 0x18: /* OSC3 */
+ case 0x1c: /* OSC4 */
+ /* ??? */
+ break;
+ case 0x20: /* LOCK */
+ if (val == LOCK_VALUE)
+ s->lockval = val;
+ else
+ s->lockval = val & 0x7fff;
+ break;
+ case 0x28: /* CFGDATA1 */
+ /* ??? Need to implement this. */
+ s->cfgdata1 = val;
+ break;
+ case 0x2c: /* CFGDATA2 */
+ /* ??? Need to implement this. */
+ s->cfgdata2 = val;
+ break;
+ case 0x30: /* FLAGSSET */
+ s->flags |= val;
+ break;
+ case 0x34: /* FLAGSCLR */
+ s->flags &= ~val;
+ break;
+ case 0x38: /* NVFLAGSSET */
+ s->nvflags |= val;
+ break;
+ case 0x3c: /* NVFLAGSCLR */
+ s->nvflags &= ~val;
+ break;
+ case 0x40: /* RESETCTL */
+ switch (board_id(s)) {
+ case BOARD_ID_PB926:
+ if (s->lockval == LOCK_VALUE) {
+ s->resetlevel = val;
+ if (val & 0x100) {
+ qemu_system_reset_request();
+ }
+ }
+ break;
+ case BOARD_ID_PBX:
+ case BOARD_ID_PBA8:
+ if (s->lockval == LOCK_VALUE) {
+ s->resetlevel = val;
+ if (val & 0x04) {
+ qemu_system_reset_request();
+ }
+ }
+ break;
+ case BOARD_ID_VEXPRESS:
+ case BOARD_ID_EB:
+ default:
+ /* reserved: RAZ/WI */
+ break;
+ }
+ break;
+ case 0x44: /* PCICTL */
+ /* nothing to do. */
+ break;
+ case 0x4c: /* FLASH */
+ break;
+ case 0x50: /* CLCD */
+ switch (board_id(s)) {
+ case BOARD_ID_PB926:
+ /* On 926 bits 13:8 are R/O, bits 1:0 control
+ * the mux that defines how to interpret the PL110
+ * graphics format, and other bits are r/w but we
+ * don't implement them to do anything.
+ */
+ s->sys_clcd &= 0x3f00;
+ s->sys_clcd |= val & ~0x3f00;
+ qemu_set_irq(s->pl110_mux_ctrl, val & 3);
+ break;
+ case BOARD_ID_EB:
+ /* The EB is the same except that there is no mux since
+ * the EB has a PL111.
+ */
+ s->sys_clcd &= 0x3f00;
+ s->sys_clcd |= val & ~0x3f00;
+ break;
+ case BOARD_ID_PBA8:
+ case BOARD_ID_PBX:
+ /* On PBA8 and PBX bit 7 is r/w and all other bits
+ * are either r/o or RAZ/WI.
+ */
+ s->sys_clcd &= (1 << 7);
+ s->sys_clcd |= val & ~(1 << 7);
+ break;
+ case BOARD_ID_VEXPRESS:
+ default:
+ /* On VExpress this register is unimplemented and will RAZ/WI */
+ break;
+ }
+ break;
+ case 0x54: /* CLCDSER */
+ case 0x64: /* DMAPSR0 */
+ case 0x68: /* DMAPSR1 */
+ case 0x6c: /* DMAPSR2 */
+ case 0x70: /* IOSEL */
+ case 0x74: /* PLDCTL */
+ case 0x80: /* BUSID */
+ case 0x84: /* PROCID0 */
+ case 0x88: /* PROCID1 */
+ case 0x8c: /* OSCRESET0 */
+ case 0x90: /* OSCRESET1 */
+ case 0x94: /* OSCRESET2 */
+ case 0x98: /* OSCRESET3 */
+ case 0x9c: /* OSCRESET4 */
+ break;
+ case 0xa0: /* SYS_CFGDATA */
+ if (board_id(s) != BOARD_ID_VEXPRESS) {
+ goto bad_reg;
+ }
+ s->sys_cfgdata = val;
+ return;
+ case 0xa4: /* SYS_CFGCTRL */
+ if (board_id(s) != BOARD_ID_VEXPRESS) {
+ goto bad_reg;
+ }
+ /* Undefined bits [19:18] are RAZ/WI, and writing to
+ * the start bit just triggers the action; it always reads
+ * as zero.
+ */
+ s->sys_cfgctrl = val & ~((3 << 18) | (1 << 31));
+ if (val & (1 << 31)) {
+ /* Start bit set -- actually do something */
+ unsigned int dcc = extract32(s->sys_cfgctrl, 26, 4);
+ unsigned int function = extract32(s->sys_cfgctrl, 20, 6);
+ unsigned int site = extract32(s->sys_cfgctrl, 16, 2);
+ unsigned int position = extract32(s->sys_cfgctrl, 12, 4);
+ unsigned int device = extract32(s->sys_cfgctrl, 0, 12);
+ s->sys_cfgstat = 1; /* complete */
+ if (s->sys_cfgctrl & (1 << 30)) {
+ if (!vexpress_cfgctrl_write(s, dcc, function, site, position,
+ device, s->sys_cfgdata)) {
+ s->sys_cfgstat |= 2; /* error */
+ }
+ } else {
+ uint32_t val;
+ if (!vexpress_cfgctrl_read(s, dcc, function, site, position,
+ device, &val)) {
+ s->sys_cfgstat |= 2; /* error */
+ } else {
+ s->sys_cfgdata = val;
+ }
+ }
+ }
+ s->sys_cfgctrl &= ~(1 << 31);
+ return;
+ case 0xa8: /* SYS_CFGSTAT */
+ if (board_id(s) != BOARD_ID_VEXPRESS) {
+ goto bad_reg;
+ }
+ s->sys_cfgstat = val & 3;
+ return;
+ default:
+ bad_reg:
+ qemu_log_mask(LOG_GUEST_ERROR,
+ "arm_sysctl_write: Bad register offset 0x%x\n",
+ (int)offset);
+ return;
+ }
+}
+
+static const MemoryRegionOps arm_sysctl_ops = {
+ .read = arm_sysctl_read,
+ .write = arm_sysctl_write,
+ .endianness = DEVICE_NATIVE_ENDIAN,
+};
+
+static void arm_sysctl_gpio_set(void *opaque, int line, int level)
+{
+ arm_sysctl_state *s = (arm_sysctl_state *)opaque;
+ switch (line) {
+ case ARM_SYSCTL_GPIO_MMC_WPROT:
+ {
+ /* For PB926 and EB write-protect is bit 2 of SYS_MCI;
+ * for all later boards it is bit 1.
+ */
+ int bit = 2;
+ if ((board_id(s) == BOARD_ID_PB926) || (board_id(s) == BOARD_ID_EB)) {
+ bit = 4;
+ }
+ s->sys_mci &= ~bit;
+ if (level) {
+ s->sys_mci |= bit;
+ }
+ break;
+ }
+ case ARM_SYSCTL_GPIO_MMC_CARDIN:
+ s->sys_mci &= ~1;
+ if (level) {
+ s->sys_mci |= 1;
+ }
+ break;
+ }
+}
+
+static void arm_sysctl_init(Object *obj)
+{
+ DeviceState *dev = DEVICE(obj);
+ SysBusDevice *sd = SYS_BUS_DEVICE(obj);
+ arm_sysctl_state *s = ARM_SYSCTL(obj);
+
+ memory_region_init_io(&s->iomem, OBJECT(dev), &arm_sysctl_ops, s,
+ "arm-sysctl", 0x1000);
+ sysbus_init_mmio(sd, &s->iomem);
+ qdev_init_gpio_in(dev, arm_sysctl_gpio_set, 2);
+ qdev_init_gpio_out(dev, &s->pl110_mux_ctrl, 1);
+}
+
+static void arm_sysctl_realize(DeviceState *d, Error **errp)
+{
+ arm_sysctl_state *s = ARM_SYSCTL(d);
+
+ s->db_clock = g_new0(uint32_t, s->db_num_clocks);
+}
+
+static void arm_sysctl_finalize(Object *obj)
+{
+ arm_sysctl_state *s = ARM_SYSCTL(obj);
+
+ g_free(s->db_voltage);
+ g_free(s->db_clock);
+ g_free(s->db_clock_reset);
+}
+
+static Property arm_sysctl_properties[] = {
+ DEFINE_PROP_UINT32("sys_id", arm_sysctl_state, sys_id, 0),
+ DEFINE_PROP_UINT32("proc_id", arm_sysctl_state, proc_id, 0),
+ /* Daughterboard power supply voltages (as reported via SYS_CFG) */
+ DEFINE_PROP_ARRAY("db-voltage", arm_sysctl_state, db_num_vsensors,
+ db_voltage, qdev_prop_uint32, uint32_t),
+ /* Daughterboard clock reset values (as reported via SYS_CFG) */
+ DEFINE_PROP_ARRAY("db-clock", arm_sysctl_state, db_num_clocks,
+ db_clock_reset, qdev_prop_uint32, uint32_t),
+ DEFINE_PROP_END_OF_LIST(),
+};
+
+static void arm_sysctl_class_init(ObjectClass *klass, void *data)
+{
+ DeviceClass *dc = DEVICE_CLASS(klass);
+
+ dc->realize = arm_sysctl_realize;
+ dc->reset = arm_sysctl_reset;
+ dc->vmsd = &vmstate_arm_sysctl;
+ dc->props = arm_sysctl_properties;
+}
+
+static const TypeInfo arm_sysctl_info = {
+ .name = TYPE_ARM_SYSCTL,
+ .parent = TYPE_SYS_BUS_DEVICE,
+ .instance_size = sizeof(arm_sysctl_state),
+ .instance_init = arm_sysctl_init,
+ .instance_finalize = arm_sysctl_finalize,
+ .class_init = arm_sysctl_class_init,
+};
+
+static void arm_sysctl_register_types(void)
+{
+ type_register_static(&arm_sysctl_info);
+}
+
+type_init(arm_sysctl_register_types)