| /* |
| * 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 "qemu/osdep.h" |
| #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" |
| #include "qemu/log.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, |
| NANOSECONDS_PER_SECOND); |
| 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) |
