diff options
Diffstat (limited to 'hw/misc/iotkit-sysctl.c')
| -rw-r--r-- | hw/misc/iotkit-sysctl.c | 872 |
1 files changed, 872 insertions, 0 deletions
diff --git a/hw/misc/iotkit-sysctl.c b/hw/misc/iotkit-sysctl.c new file mode 100644 index 000000000..9ee8fe849 --- /dev/null +++ b/hw/misc/iotkit-sysctl.c @@ -0,0 +1,872 @@ +/* + * ARM IoTKit system control element + * + * Copyright (c) 2018 Linaro Limited + * Written by Peter Maydell + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 or + * (at your option) any later version. + */ + +/* + * This is a model of the "system control element" which is part of the + * Arm IoTKit and documented in + * https://developer.arm.com/documentation/ecm0601256/latest + * Specifically, it implements the "system control register" blocks. + */ + +#include "qemu/osdep.h" +#include "qemu/bitops.h" +#include "qemu/log.h" +#include "qemu/module.h" +#include "sysemu/runstate.h" +#include "trace.h" +#include "qapi/error.h" +#include "hw/sysbus.h" +#include "migration/vmstate.h" +#include "hw/registerfields.h" +#include "hw/misc/iotkit-sysctl.h" +#include "hw/qdev-properties.h" +#include "hw/arm/armsse-version.h" +#include "target/arm/arm-powerctl.h" +#include "target/arm/cpu.h" + +REG32(SECDBGSTAT, 0x0) +REG32(SECDBGSET, 0x4) +REG32(SECDBGCLR, 0x8) +REG32(SCSECCTRL, 0xc) +REG32(FCLK_DIV, 0x10) +REG32(SYSCLK_DIV, 0x14) +REG32(CLOCK_FORCE, 0x18) +REG32(RESET_SYNDROME, 0x100) +REG32(RESET_MASK, 0x104) +REG32(SWRESET, 0x108) + FIELD(SWRESET, SWRESETREQ, 9, 1) +REG32(GRETREG, 0x10c) +REG32(INITSVTOR0, 0x110) + FIELD(INITSVTOR0, LOCK, 0, 1) + FIELD(INITSVTOR0, VTOR, 7, 25) +REG32(INITSVTOR1, 0x114) +REG32(CPUWAIT, 0x118) +REG32(NMI_ENABLE, 0x11c) /* BUSWAIT in IoTKit */ +REG32(WICCTRL, 0x120) +REG32(EWCTRL, 0x124) +REG32(PWRCTRL, 0x1fc) + FIELD(PWRCTRL, PPU_ACCESS_UNLOCK, 0, 1) + FIELD(PWRCTRL, PPU_ACCESS_FILTER, 1, 1) +REG32(PDCM_PD_SYS_SENSE, 0x200) +REG32(PDCM_PD_CPU0_SENSE, 0x204) +REG32(PDCM_PD_SRAM0_SENSE, 0x20c) +REG32(PDCM_PD_SRAM1_SENSE, 0x210) +REG32(PDCM_PD_SRAM2_SENSE, 0x214) /* PDCM_PD_VMR0_SENSE on SSE300 */ +REG32(PDCM_PD_SRAM3_SENSE, 0x218) /* PDCM_PD_VMR1_SENSE on SSE300 */ +REG32(PID4, 0xfd0) +REG32(PID5, 0xfd4) +REG32(PID6, 0xfd8) +REG32(PID7, 0xfdc) +REG32(PID0, 0xfe0) +REG32(PID1, 0xfe4) +REG32(PID2, 0xfe8) +REG32(PID3, 0xfec) +REG32(CID0, 0xff0) +REG32(CID1, 0xff4) +REG32(CID2, 0xff8) +REG32(CID3, 0xffc) + +/* PID/CID values */ +static const int iotkit_sysctl_id[] = { + 0x04, 0x00, 0x00, 0x00, /* PID4..PID7 */ + 0x54, 0xb8, 0x0b, 0x00, /* PID0..PID3 */ + 0x0d, 0xf0, 0x05, 0xb1, /* CID0..CID3 */ +}; + +/* Also used by the SSE300 */ +static const int sse200_sysctl_id[] = { + 0x04, 0x00, 0x00, 0x00, /* PID4..PID7 */ + 0x54, 0xb8, 0x1b, 0x00, /* PID0..PID3 */ + 0x0d, 0xf0, 0x05, 0xb1, /* CID0..CID3 */ +}; + +/* + * Set the initial secure vector table offset address for the core. + * This will take effect when the CPU next resets. + */ +static void set_init_vtor(uint64_t cpuid, uint32_t vtor) +{ + Object *cpuobj = OBJECT(arm_get_cpu_by_id(cpuid)); + + if (cpuobj) { + if (object_property_find(cpuobj, "init-svtor")) { + object_property_set_uint(cpuobj, "init-svtor", vtor, &error_abort); + } + } +} + +static uint64_t iotkit_sysctl_read(void *opaque, hwaddr offset, + unsigned size) +{ + IoTKitSysCtl *s = IOTKIT_SYSCTL(opaque); + uint64_t r; + + switch (offset) { + case A_SECDBGSTAT: + r = s->secure_debug; + break; + case A_SCSECCTRL: + switch (s->sse_version) { + case ARMSSE_IOTKIT: + goto bad_offset; + case ARMSSE_SSE200: + case ARMSSE_SSE300: + r = s->scsecctrl; + break; + default: + g_assert_not_reached(); + } + break; + case A_FCLK_DIV: + switch (s->sse_version) { + case ARMSSE_IOTKIT: + goto bad_offset; + case ARMSSE_SSE200: + case ARMSSE_SSE300: + r = s->fclk_div; + break; + default: + g_assert_not_reached(); + } + break; + case A_SYSCLK_DIV: + switch (s->sse_version) { + case ARMSSE_IOTKIT: + goto bad_offset; + case ARMSSE_SSE200: + case ARMSSE_SSE300: + r = s->sysclk_div; + break; + default: + g_assert_not_reached(); + } + break; + case A_CLOCK_FORCE: + switch (s->sse_version) { + case ARMSSE_IOTKIT: + goto bad_offset; + case ARMSSE_SSE200: + case ARMSSE_SSE300: + r = s->clock_force; + break; + default: + g_assert_not_reached(); + } + break; + case A_RESET_SYNDROME: + r = s->reset_syndrome; + break; + case A_RESET_MASK: + r = s->reset_mask; + break; + case A_GRETREG: + r = s->gretreg; + break; + case A_INITSVTOR0: + r = s->initsvtor0; + break; + case A_INITSVTOR1: + switch (s->sse_version) { + case ARMSSE_IOTKIT: + goto bad_offset; + case ARMSSE_SSE200: + r = s->initsvtor1; + break; + case ARMSSE_SSE300: + goto bad_offset; + default: + g_assert_not_reached(); + } + break; + case A_CPUWAIT: + switch (s->sse_version) { + case ARMSSE_IOTKIT: + case ARMSSE_SSE200: + r = s->cpuwait; + break; + case ARMSSE_SSE300: + /* In SSE300 this is reserved (for INITSVTOR2) */ + goto bad_offset; + default: + g_assert_not_reached(); + } + break; + case A_NMI_ENABLE: + switch (s->sse_version) { + case ARMSSE_IOTKIT: + /* In IoTKit this is named BUSWAIT but marked reserved, R/O, zero */ + r = 0; + break; + case ARMSSE_SSE200: + r = s->nmi_enable; + break; + case ARMSSE_SSE300: + /* In SSE300 this is reserved (for INITSVTOR3) */ + goto bad_offset; + default: + g_assert_not_reached(); + } + break; + case A_WICCTRL: + switch (s->sse_version) { + case ARMSSE_IOTKIT: + case ARMSSE_SSE200: + r = s->wicctrl; + break; + case ARMSSE_SSE300: + /* In SSE300 this offset is CPUWAIT */ + r = s->cpuwait; + break; + default: + g_assert_not_reached(); + } + break; + case A_EWCTRL: + switch (s->sse_version) { + case ARMSSE_IOTKIT: + goto bad_offset; + case ARMSSE_SSE200: + r = s->ewctrl; + break; + case ARMSSE_SSE300: + /* In SSE300 this offset is is NMI_ENABLE */ + r = s->nmi_enable; + break; + default: + g_assert_not_reached(); + } + break; + case A_PWRCTRL: + switch (s->sse_version) { + case ARMSSE_IOTKIT: + case ARMSSE_SSE200: + goto bad_offset; + case ARMSSE_SSE300: + r = s->pwrctrl; + break; + default: + g_assert_not_reached(); + } + break; + case A_PDCM_PD_SYS_SENSE: + switch (s->sse_version) { + case ARMSSE_IOTKIT: + goto bad_offset; + case ARMSSE_SSE200: + case ARMSSE_SSE300: + r = s->pdcm_pd_sys_sense; + break; + default: + g_assert_not_reached(); + } + break; + case A_PDCM_PD_CPU0_SENSE: + switch (s->sse_version) { + case ARMSSE_IOTKIT: + case ARMSSE_SSE200: + goto bad_offset; + case ARMSSE_SSE300: + r = s->pdcm_pd_cpu0_sense; + break; + default: + g_assert_not_reached(); + } + break; + case A_PDCM_PD_SRAM0_SENSE: + switch (s->sse_version) { + case ARMSSE_IOTKIT: + goto bad_offset; + case ARMSSE_SSE200: + r = s->pdcm_pd_sram0_sense; + break; + case ARMSSE_SSE300: + goto bad_offset; + default: + g_assert_not_reached(); + } + break; + case A_PDCM_PD_SRAM1_SENSE: + switch (s->sse_version) { + case ARMSSE_IOTKIT: + goto bad_offset; + case ARMSSE_SSE200: + r = s->pdcm_pd_sram1_sense; + break; + case ARMSSE_SSE300: + goto bad_offset; + default: + g_assert_not_reached(); + } + break; + case A_PDCM_PD_SRAM2_SENSE: + switch (s->sse_version) { + case ARMSSE_IOTKIT: + goto bad_offset; + case ARMSSE_SSE200: + r = s->pdcm_pd_sram2_sense; + break; + case ARMSSE_SSE300: + r = s->pdcm_pd_vmr0_sense; + break; + default: + g_assert_not_reached(); + } + break; + case A_PDCM_PD_SRAM3_SENSE: + switch (s->sse_version) { + case ARMSSE_IOTKIT: + goto bad_offset; + case ARMSSE_SSE200: + r = s->pdcm_pd_sram3_sense; + break; + case ARMSSE_SSE300: + r = s->pdcm_pd_vmr1_sense; + break; + default: + g_assert_not_reached(); + } + break; + case A_PID4 ... A_CID3: + switch (s->sse_version) { + case ARMSSE_IOTKIT: + r = iotkit_sysctl_id[(offset - A_PID4) / 4]; + break; + case ARMSSE_SSE200: + case ARMSSE_SSE300: + r = sse200_sysctl_id[(offset - A_PID4) / 4]; + break; + default: + g_assert_not_reached(); + } + break; + case A_SECDBGSET: + case A_SECDBGCLR: + case A_SWRESET: + qemu_log_mask(LOG_GUEST_ERROR, + "IoTKit SysCtl read: read of WO offset %x\n", + (int)offset); + r = 0; + break; + default: + bad_offset: + qemu_log_mask(LOG_GUEST_ERROR, + "IoTKit SysCtl read: bad offset %x\n", (int)offset); + r = 0; + break; + } + trace_iotkit_sysctl_read(offset, r, size); + return r; +} + +static void cpuwait_write(IoTKitSysCtl *s, uint32_t value) +{ + int num_cpus = (s->sse_version == ARMSSE_SSE300) ? 1 : 2; + int i; + + for (i = 0; i < num_cpus; i++) { + uint32_t mask = 1 << i; + if ((s->cpuwait & mask) && !(value & mask)) { + /* Powering up CPU 0 */ + arm_set_cpu_on_and_reset(i); + } + } + s->cpuwait = value; +} + +static void iotkit_sysctl_write(void *opaque, hwaddr offset, + uint64_t value, unsigned size) +{ + IoTKitSysCtl *s = IOTKIT_SYSCTL(opaque); + + trace_iotkit_sysctl_write(offset, value, size); + + /* + * Most of the state here has to do with control of reset and + * similar kinds of power up -- for instance the guest can ask + * what the reason for the last reset was, or forbid reset for + * some causes (like the non-secure watchdog). Most of this is + * not relevant to QEMU, which doesn't really model anything other + * than a full power-on reset. + * We just model the registers as reads-as-written. + */ + + switch (offset) { + case A_RESET_SYNDROME: + qemu_log_mask(LOG_UNIMP, + "IoTKit SysCtl RESET_SYNDROME unimplemented\n"); + s->reset_syndrome = value; + break; + case A_RESET_MASK: + qemu_log_mask(LOG_UNIMP, "IoTKit SysCtl RESET_MASK unimplemented\n"); + s->reset_mask = value; + break; + case A_GRETREG: + /* + * General retention register, which is only reset by a power-on + * reset. Technically this implementation is complete, since + * QEMU only supports power-on resets... + */ + s->gretreg = value; + break; + case A_INITSVTOR0: + switch (s->sse_version) { + case ARMSSE_SSE300: + /* SSE300 has a LOCK bit which prevents further writes when set */ + if (s->initsvtor0 & R_INITSVTOR0_LOCK_MASK) { + qemu_log_mask(LOG_GUEST_ERROR, + "IoTKit INITSVTOR0 write when register locked\n"); + break; + } + s->initsvtor0 = value; + set_init_vtor(0, s->initsvtor0 & R_INITSVTOR0_VTOR_MASK); + break; + case ARMSSE_IOTKIT: + case ARMSSE_SSE200: + s->initsvtor0 = value; + set_init_vtor(0, s->initsvtor0); + break; + default: + g_assert_not_reached(); + } + break; + case A_CPUWAIT: + switch (s->sse_version) { + case ARMSSE_IOTKIT: + case ARMSSE_SSE200: + cpuwait_write(s, value); + break; + case ARMSSE_SSE300: + /* In SSE300 this is reserved (for INITSVTOR2) */ + goto bad_offset; + default: + g_assert_not_reached(); + } + break; + case A_WICCTRL: + switch (s->sse_version) { + case ARMSSE_IOTKIT: + case ARMSSE_SSE200: + qemu_log_mask(LOG_UNIMP, "IoTKit SysCtl WICCTRL unimplemented\n"); + s->wicctrl = value; + break; + case ARMSSE_SSE300: + /* In SSE300 this offset is CPUWAIT */ + cpuwait_write(s, value); + break; + default: + g_assert_not_reached(); + } + break; + case A_SECDBGSET: + /* write-1-to-set */ + qemu_log_mask(LOG_UNIMP, "IoTKit SysCtl SECDBGSET unimplemented\n"); + s->secure_debug |= value; + break; + case A_SECDBGCLR: + /* write-1-to-clear */ + s->secure_debug &= ~value; + break; + case A_SWRESET: + /* One w/o bit to request a reset; all other bits reserved */ + if (value & R_SWRESET_SWRESETREQ_MASK) { + qemu_system_reset_request(SHUTDOWN_CAUSE_GUEST_RESET); + } + break; + case A_SCSECCTRL: + switch (s->sse_version) { + case ARMSSE_IOTKIT: + goto bad_offset; + case ARMSSE_SSE200: + case ARMSSE_SSE300: + qemu_log_mask(LOG_UNIMP, "IoTKit SysCtl SCSECCTRL unimplemented\n"); + s->scsecctrl = value; + break; + default: + g_assert_not_reached(); + } + break; + case A_FCLK_DIV: + switch (s->sse_version) { + case ARMSSE_IOTKIT: + goto bad_offset; + case ARMSSE_SSE200: + case ARMSSE_SSE300: + qemu_log_mask(LOG_UNIMP, "IoTKit SysCtl FCLK_DIV unimplemented\n"); + s->fclk_div = value; + break; + default: + g_assert_not_reached(); + } + break; + case A_SYSCLK_DIV: + switch (s->sse_version) { + case ARMSSE_IOTKIT: + goto bad_offset; + case ARMSSE_SSE200: + case ARMSSE_SSE300: + qemu_log_mask(LOG_UNIMP, "IoTKit SysCtl SYSCLK_DIV unimplemented\n"); + s->sysclk_div = value; + break; + default: + g_assert_not_reached(); + } + break; + case A_CLOCK_FORCE: + switch (s->sse_version) { + case ARMSSE_IOTKIT: + goto bad_offset; + case ARMSSE_SSE200: + case ARMSSE_SSE300: + qemu_log_mask(LOG_UNIMP, "IoTKit SysCtl CLOCK_FORCE unimplemented\n"); + s->clock_force = value; + break; + default: + g_assert_not_reached(); + } + break; + case A_INITSVTOR1: + switch (s->sse_version) { + case ARMSSE_IOTKIT: + goto bad_offset; + case ARMSSE_SSE200: + s->initsvtor1 = value; + set_init_vtor(1, s->initsvtor1); + break; + case ARMSSE_SSE300: + goto bad_offset; + default: + g_assert_not_reached(); + } + break; + case A_EWCTRL: + switch (s->sse_version) { + case ARMSSE_IOTKIT: + goto bad_offset; + case ARMSSE_SSE200: + qemu_log_mask(LOG_UNIMP, "IoTKit SysCtl EWCTRL unimplemented\n"); + s->ewctrl = value; + break; + case ARMSSE_SSE300: + /* In SSE300 this offset is is NMI_ENABLE */ + qemu_log_mask(LOG_UNIMP, "IoTKit SysCtl NMI_ENABLE unimplemented\n"); + s->nmi_enable = value; + break; + default: + g_assert_not_reached(); + } + break; + case A_PWRCTRL: + switch (s->sse_version) { + case ARMSSE_IOTKIT: + case ARMSSE_SSE200: + goto bad_offset; + case ARMSSE_SSE300: + if (!(s->pwrctrl & R_PWRCTRL_PPU_ACCESS_UNLOCK_MASK)) { + qemu_log_mask(LOG_GUEST_ERROR, + "IoTKit PWRCTRL write when register locked\n"); + break; + } + s->pwrctrl = value; + break; + default: + g_assert_not_reached(); + } + break; + case A_PDCM_PD_SYS_SENSE: + switch (s->sse_version) { + case ARMSSE_IOTKIT: + goto bad_offset; + case ARMSSE_SSE200: + case ARMSSE_SSE300: + qemu_log_mask(LOG_UNIMP, + "IoTKit SysCtl PDCM_PD_SYS_SENSE unimplemented\n"); + s->pdcm_pd_sys_sense = value; + break; + default: + g_assert_not_reached(); + } + break; + case A_PDCM_PD_CPU0_SENSE: + switch (s->sse_version) { + case ARMSSE_IOTKIT: + case ARMSSE_SSE200: + goto bad_offset; + case ARMSSE_SSE300: + qemu_log_mask(LOG_UNIMP, + "IoTKit SysCtl PDCM_PD_CPU0_SENSE unimplemented\n"); + s->pdcm_pd_cpu0_sense = value; + break; + default: + g_assert_not_reached(); + } + break; + case A_PDCM_PD_SRAM0_SENSE: + switch (s->sse_version) { + case ARMSSE_IOTKIT: + goto bad_offset; + case ARMSSE_SSE200: + qemu_log_mask(LOG_UNIMP, + "IoTKit SysCtl PDCM_PD_SRAM0_SENSE unimplemented\n"); + s->pdcm_pd_sram0_sense = value; + break; + case ARMSSE_SSE300: + goto bad_offset; + default: + g_assert_not_reached(); + } + break; + case A_PDCM_PD_SRAM1_SENSE: + switch (s->sse_version) { + case ARMSSE_IOTKIT: + goto bad_offset; + case ARMSSE_SSE200: + qemu_log_mask(LOG_UNIMP, + "IoTKit SysCtl PDCM_PD_SRAM1_SENSE unimplemented\n"); + s->pdcm_pd_sram1_sense = value; + break; + case ARMSSE_SSE300: + goto bad_offset; + default: + g_assert_not_reached(); + } + break; + case A_PDCM_PD_SRAM2_SENSE: + switch (s->sse_version) { + case ARMSSE_IOTKIT: + goto bad_offset; + case ARMSSE_SSE200: + qemu_log_mask(LOG_UNIMP, + "IoTKit SysCtl PDCM_PD_SRAM2_SENSE unimplemented\n"); + s->pdcm_pd_sram2_sense = value; + break; + case ARMSSE_SSE300: + qemu_log_mask(LOG_UNIMP, + "IoTKit SysCtl PDCM_PD_VMR0_SENSE unimplemented\n"); + s->pdcm_pd_vmr0_sense = value; + break; + default: + g_assert_not_reached(); + } + break; + case A_PDCM_PD_SRAM3_SENSE: + switch (s->sse_version) { + case ARMSSE_IOTKIT: + goto bad_offset; + case ARMSSE_SSE200: + qemu_log_mask(LOG_UNIMP, + "IoTKit SysCtl PDCM_PD_SRAM3_SENSE unimplemented\n"); + s->pdcm_pd_sram3_sense = value; + break; + case ARMSSE_SSE300: + qemu_log_mask(LOG_UNIMP, + "IoTKit SysCtl PDCM_PD_VMR1_SENSE unimplemented\n"); + s->pdcm_pd_vmr1_sense = value; + break; + default: + g_assert_not_reached(); + } + break; + case A_NMI_ENABLE: + /* In IoTKit this is BUSWAIT: reserved, R/O, zero */ + switch (s->sse_version) { + case ARMSSE_IOTKIT: + goto ro_offset; + case ARMSSE_SSE200: + qemu_log_mask(LOG_UNIMP, "IoTKit SysCtl NMI_ENABLE unimplemented\n"); + s->nmi_enable = value; + break; + case ARMSSE_SSE300: + /* In SSE300 this is reserved (for INITSVTOR3) */ + goto bad_offset; + default: + g_assert_not_reached(); + } + break; + case A_SECDBGSTAT: + case A_PID4 ... A_CID3: + ro_offset: + qemu_log_mask(LOG_GUEST_ERROR, + "IoTKit SysCtl write: write of RO offset %x\n", + (int)offset); + break; + default: + bad_offset: + qemu_log_mask(LOG_GUEST_ERROR, + "IoTKit SysCtl write: bad offset %x\n", (int)offset); + break; + } +} + +static const MemoryRegionOps iotkit_sysctl_ops = { + .read = iotkit_sysctl_read, + .write = iotkit_sysctl_write, + .endianness = DEVICE_LITTLE_ENDIAN, + /* byte/halfword accesses are just zero-padded on reads and writes */ + .impl.min_access_size = 4, + .impl.max_access_size = 4, + .valid.min_access_size = 1, + .valid.max_access_size = 4, +}; + +static void iotkit_sysctl_reset(DeviceState *dev) +{ + IoTKitSysCtl *s = IOTKIT_SYSCTL(dev); + + trace_iotkit_sysctl_reset(); + s->secure_debug = 0; + s->reset_syndrome = 1; + s->reset_mask = 0; + s->gretreg = 0; + s->initsvtor0 = s->initsvtor0_rst; + s->initsvtor1 = s->initsvtor1_rst; + s->cpuwait = s->cpuwait_rst; + s->wicctrl = 0; + s->scsecctrl = 0; + s->fclk_div = 0; + s->sysclk_div = 0; + s->clock_force = 0; + s->nmi_enable = 0; + s->ewctrl = 0; + s->pwrctrl = 0x3; + s->pdcm_pd_sys_sense = 0x7f; + s->pdcm_pd_sram0_sense = 0; + s->pdcm_pd_sram1_sense = 0; + s->pdcm_pd_sram2_sense = 0; + s->pdcm_pd_sram3_sense = 0; + s->pdcm_pd_cpu0_sense = 0; + s->pdcm_pd_vmr0_sense = 0; + s->pdcm_pd_vmr1_sense = 0; +} + +static void iotkit_sysctl_init(Object *obj) +{ + SysBusDevice *sbd = SYS_BUS_DEVICE(obj); + IoTKitSysCtl *s = IOTKIT_SYSCTL(obj); + + memory_region_init_io(&s->iomem, obj, &iotkit_sysctl_ops, + s, "iotkit-sysctl", 0x1000); + sysbus_init_mmio(sbd, &s->iomem); +} + +static void iotkit_sysctl_realize(DeviceState *dev, Error **errp) +{ + IoTKitSysCtl *s = IOTKIT_SYSCTL(dev); + + if (!armsse_version_valid(s->sse_version)) { + error_setg(errp, "invalid sse-version value %d", s->sse_version); + return; + } +} + +static bool sse300_needed(void *opaque) +{ + IoTKitSysCtl *s = IOTKIT_SYSCTL(opaque); + + return s->sse_version == ARMSSE_SSE300; +} + +static const VMStateDescription iotkit_sysctl_sse300_vmstate = { + .name = "iotkit-sysctl/sse-300", + .version_id = 1, + .minimum_version_id = 1, + .needed = sse300_needed, + .fields = (VMStateField[]) { + VMSTATE_UINT32(pwrctrl, IoTKitSysCtl), + VMSTATE_UINT32(pdcm_pd_cpu0_sense, IoTKitSysCtl), + VMSTATE_UINT32(pdcm_pd_vmr0_sense, IoTKitSysCtl), + VMSTATE_UINT32(pdcm_pd_vmr1_sense, IoTKitSysCtl), + VMSTATE_END_OF_LIST() + } +}; + +static bool sse200_needed(void *opaque) +{ + IoTKitSysCtl *s = IOTKIT_SYSCTL(opaque); + + return s->sse_version != ARMSSE_IOTKIT; +} + +static const VMStateDescription iotkit_sysctl_sse200_vmstate = { + .name = "iotkit-sysctl/sse-200", + .version_id = 1, + .minimum_version_id = 1, + .needed = sse200_needed, + .fields = (VMStateField[]) { + VMSTATE_UINT32(scsecctrl, IoTKitSysCtl), + VMSTATE_UINT32(fclk_div, IoTKitSysCtl), + VMSTATE_UINT32(sysclk_div, IoTKitSysCtl), + VMSTATE_UINT32(clock_force, IoTKitSysCtl), + VMSTATE_UINT32(initsvtor1, IoTKitSysCtl), + VMSTATE_UINT32(nmi_enable, IoTKitSysCtl), + VMSTATE_UINT32(pdcm_pd_sys_sense, IoTKitSysCtl), + VMSTATE_UINT32(pdcm_pd_sram0_sense, IoTKitSysCtl), + VMSTATE_UINT32(pdcm_pd_sram1_sense, IoTKitSysCtl), + VMSTATE_UINT32(pdcm_pd_sram2_sense, IoTKitSysCtl), + VMSTATE_UINT32(pdcm_pd_sram3_sense, IoTKitSysCtl), + VMSTATE_END_OF_LIST() + } +}; + +static const VMStateDescription iotkit_sysctl_vmstate = { + .name = "iotkit-sysctl", + .version_id = 1, + .minimum_version_id = 1, + .fields = (VMStateField[]) { + VMSTATE_UINT32(secure_debug, IoTKitSysCtl), + VMSTATE_UINT32(reset_syndrome, IoTKitSysCtl), + VMSTATE_UINT32(reset_mask, IoTKitSysCtl), + VMSTATE_UINT32(gretreg, IoTKitSysCtl), + VMSTATE_UINT32(initsvtor0, IoTKitSysCtl), + VMSTATE_UINT32(cpuwait, IoTKitSysCtl), + VMSTATE_UINT32(wicctrl, IoTKitSysCtl), + VMSTATE_END_OF_LIST() + }, + .subsections = (const VMStateDescription*[]) { + &iotkit_sysctl_sse200_vmstate, + &iotkit_sysctl_sse300_vmstate, + NULL + } +}; + +static Property iotkit_sysctl_props[] = { + DEFINE_PROP_UINT32("sse-version", IoTKitSysCtl, sse_version, 0), + DEFINE_PROP_UINT32("CPUWAIT_RST", IoTKitSysCtl, cpuwait_rst, 0), + DEFINE_PROP_UINT32("INITSVTOR0_RST", IoTKitSysCtl, initsvtor0_rst, + 0x10000000), + DEFINE_PROP_UINT32("INITSVTOR1_RST", IoTKitSysCtl, initsvtor1_rst, + 0x10000000), + DEFINE_PROP_END_OF_LIST() +}; + +static void iotkit_sysctl_class_init(ObjectClass *klass, void *data) +{ + DeviceClass *dc = DEVICE_CLASS(klass); + + dc->vmsd = &iotkit_sysctl_vmstate; + dc->reset = iotkit_sysctl_reset; + device_class_set_props(dc, iotkit_sysctl_props); + dc->realize = iotkit_sysctl_realize; +} + +static const TypeInfo iotkit_sysctl_info = { + .name = TYPE_IOTKIT_SYSCTL, + .parent = TYPE_SYS_BUS_DEVICE, + .instance_size = sizeof(IoTKitSysCtl), + .instance_init = iotkit_sysctl_init, + .class_init = iotkit_sysctl_class_init, +}; + +static void iotkit_sysctl_register_types(void) +{ + type_register_static(&iotkit_sysctl_info); +} + +type_init(iotkit_sysctl_register_types); |