diff options
Diffstat (limited to 'hw/misc/iotkit-secctl.c')
| -rw-r--r-- | hw/misc/iotkit-secctl.c | 845 |
1 files changed, 845 insertions, 0 deletions
diff --git a/hw/misc/iotkit-secctl.c b/hw/misc/iotkit-secctl.c new file mode 100644 index 000000000..7b41cfa8f --- /dev/null +++ b/hw/misc/iotkit-secctl.c @@ -0,0 +1,845 @@ +/* + * Arm IoT Kit security controller + * + * 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. + */ + +#include "qemu/osdep.h" +#include "qemu/log.h" +#include "qemu/module.h" +#include "qapi/error.h" +#include "trace.h" +#include "hw/sysbus.h" +#include "migration/vmstate.h" +#include "hw/registerfields.h" +#include "hw/irq.h" +#include "hw/misc/iotkit-secctl.h" +#include "hw/arm/armsse-version.h" +#include "hw/qdev-properties.h" + +/* Registers in the secure privilege control block */ +REG32(SECRESPCFG, 0x10) +REG32(NSCCFG, 0x14) +REG32(SECMPCINTSTATUS, 0x1c) +REG32(SECPPCINTSTAT, 0x20) +REG32(SECPPCINTCLR, 0x24) +REG32(SECPPCINTEN, 0x28) +REG32(SECMSCINTSTAT, 0x30) +REG32(SECMSCINTCLR, 0x34) +REG32(SECMSCINTEN, 0x38) +REG32(BRGINTSTAT, 0x40) +REG32(BRGINTCLR, 0x44) +REG32(BRGINTEN, 0x48) +REG32(AHBNSPPC0, 0x50) +REG32(AHBNSPPCEXP0, 0x60) +REG32(AHBNSPPCEXP1, 0x64) +REG32(AHBNSPPCEXP2, 0x68) +REG32(AHBNSPPCEXP3, 0x6c) +REG32(APBNSPPC0, 0x70) +REG32(APBNSPPC1, 0x74) +REG32(APBNSPPCEXP0, 0x80) +REG32(APBNSPPCEXP1, 0x84) +REG32(APBNSPPCEXP2, 0x88) +REG32(APBNSPPCEXP3, 0x8c) +REG32(AHBSPPPC0, 0x90) +REG32(AHBSPPPCEXP0, 0xa0) +REG32(AHBSPPPCEXP1, 0xa4) +REG32(AHBSPPPCEXP2, 0xa8) +REG32(AHBSPPPCEXP3, 0xac) +REG32(APBSPPPC0, 0xb0) +REG32(APBSPPPC1, 0xb4) +REG32(APBSPPPCEXP0, 0xc0) +REG32(APBSPPPCEXP1, 0xc4) +REG32(APBSPPPCEXP2, 0xc8) +REG32(APBSPPPCEXP3, 0xcc) +REG32(NSMSCEXP, 0xd0) +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) + +/* Registers in the non-secure privilege control block */ +REG32(AHBNSPPPC0, 0x90) +REG32(AHBNSPPPCEXP0, 0xa0) +REG32(AHBNSPPPCEXP1, 0xa4) +REG32(AHBNSPPPCEXP2, 0xa8) +REG32(AHBNSPPPCEXP3, 0xac) +REG32(APBNSPPPC0, 0xb0) +REG32(APBNSPPPC1, 0xb4) +REG32(APBNSPPPCEXP0, 0xc0) +REG32(APBNSPPPCEXP1, 0xc4) +REG32(APBNSPPPCEXP2, 0xc8) +REG32(APBNSPPPCEXP3, 0xcc) +/* PID and CID registers are also present in the NS block */ + +static const uint8_t iotkit_secctl_s_idregs[] = { + 0x04, 0x00, 0x00, 0x00, + 0x52, 0xb8, 0x0b, 0x00, + 0x0d, 0xf0, 0x05, 0xb1, +}; + +static const uint8_t iotkit_secctl_ns_idregs[] = { + 0x04, 0x00, 0x00, 0x00, + 0x53, 0xb8, 0x0b, 0x00, + 0x0d, 0xf0, 0x05, 0xb1, +}; + +static const uint8_t iotkit_secctl_s_sse300_idregs[] = { + 0x04, 0x00, 0x00, 0x00, + 0x52, 0xb8, 0x2b, 0x00, + 0x0d, 0xf0, 0x05, 0xb1, +}; + +static const uint8_t iotkit_secctl_ns_sse300_idregs[] = { + 0x04, 0x00, 0x00, 0x00, + 0x53, 0xb8, 0x2b, 0x00, + 0x0d, 0xf0, 0x05, 0xb1, +}; + + +/* The register sets for the various PPCs (AHB internal, APB internal, + * AHB expansion, APB expansion) are all set up so that they are + * in 16-aligned blocks so offsets 0xN0, 0xN4, 0xN8, 0xNC are PPCs + * 0, 1, 2, 3 of that type, so we can convert a register address offset + * into an an index into a PPC array easily. + */ +static inline int offset_to_ppc_idx(uint32_t offset) +{ + return extract32(offset, 2, 2); +} + +typedef void PerPPCFunction(IoTKitSecCtlPPC *ppc); + +static void foreach_ppc(IoTKitSecCtl *s, PerPPCFunction *fn) +{ + int i; + + for (i = 0; i < IOTS_NUM_APB_PPC; i++) { + fn(&s->apb[i]); + } + for (i = 0; i < IOTS_NUM_APB_EXP_PPC; i++) { + fn(&s->apbexp[i]); + } + for (i = 0; i < IOTS_NUM_AHB_EXP_PPC; i++) { + fn(&s->ahbexp[i]); + } +} + +static MemTxResult iotkit_secctl_s_read(void *opaque, hwaddr addr, + uint64_t *pdata, + unsigned size, MemTxAttrs attrs) +{ + uint64_t r; + uint32_t offset = addr & ~0x3; + IoTKitSecCtl *s = IOTKIT_SECCTL(opaque); + + switch (offset) { + case A_AHBNSPPC0: + case A_AHBSPPPC0: + r = 0; + break; + case A_SECRESPCFG: + r = s->secrespcfg; + break; + case A_NSCCFG: + r = s->nsccfg; + break; + case A_SECMPCINTSTATUS: + r = s->mpcintstatus; + break; + case A_SECPPCINTSTAT: + r = s->secppcintstat; + break; + case A_SECPPCINTEN: + r = s->secppcinten; + break; + case A_BRGINTSTAT: + /* QEMU's bus fabric can never report errors as it doesn't buffer + * writes, so we never report bridge interrupts. + */ + r = 0; + break; + case A_BRGINTEN: + r = s->brginten; + break; + case A_AHBNSPPCEXP0: + case A_AHBNSPPCEXP1: + case A_AHBNSPPCEXP2: + case A_AHBNSPPCEXP3: + r = s->ahbexp[offset_to_ppc_idx(offset)].ns; + break; + case A_APBNSPPC0: + case A_APBNSPPC1: + r = s->apb[offset_to_ppc_idx(offset)].ns; + break; + case A_APBNSPPCEXP0: + case A_APBNSPPCEXP1: + case A_APBNSPPCEXP2: + case A_APBNSPPCEXP3: + r = s->apbexp[offset_to_ppc_idx(offset)].ns; + break; + case A_AHBSPPPCEXP0: + case A_AHBSPPPCEXP1: + case A_AHBSPPPCEXP2: + case A_AHBSPPPCEXP3: + r = s->apbexp[offset_to_ppc_idx(offset)].sp; + break; + case A_APBSPPPC0: + case A_APBSPPPC1: + r = s->apb[offset_to_ppc_idx(offset)].sp; + break; + case A_APBSPPPCEXP0: + case A_APBSPPPCEXP1: + case A_APBSPPPCEXP2: + case A_APBSPPPCEXP3: + r = s->apbexp[offset_to_ppc_idx(offset)].sp; + break; + case A_SECMSCINTSTAT: + r = s->secmscintstat; + break; + case A_SECMSCINTEN: + r = s->secmscinten; + break; + case A_NSMSCEXP: + r = s->nsmscexp; + break; + case A_PID4: + case A_PID5: + case A_PID6: + case A_PID7: + case A_PID0: + case A_PID1: + case A_PID2: + case A_PID3: + case A_CID0: + case A_CID1: + case A_CID2: + case A_CID3: + switch (s->sse_version) { + case ARMSSE_SSE300: + r = iotkit_secctl_s_sse300_idregs[(offset - A_PID4) / 4]; + break; + default: + r = iotkit_secctl_s_idregs[(offset - A_PID4) / 4]; + break; + } + break; + case A_SECPPCINTCLR: + case A_SECMSCINTCLR: + case A_BRGINTCLR: + qemu_log_mask(LOG_GUEST_ERROR, + "IotKit SecCtl S block read: write-only offset 0x%x\n", + offset); + r = 0; + break; + default: + qemu_log_mask(LOG_GUEST_ERROR, + "IotKit SecCtl S block read: bad offset 0x%x\n", offset); + r = 0; + break; + } + + if (size != 4) { + /* None of our registers are access-sensitive, so just pull the right + * byte out of the word read result. + */ + r = extract32(r, (addr & 3) * 8, size * 8); + } + + trace_iotkit_secctl_s_read(offset, r, size); + *pdata = r; + return MEMTX_OK; +} + +static void iotkit_secctl_update_ppc_ap(IoTKitSecCtlPPC *ppc) +{ + int i; + + for (i = 0; i < ppc->numports; i++) { + bool v; + + if (extract32(ppc->ns, i, 1)) { + v = extract32(ppc->nsp, i, 1); + } else { + v = extract32(ppc->sp, i, 1); + } + qemu_set_irq(ppc->ap[i], v); + } +} + +static void iotkit_secctl_ppc_ns_write(IoTKitSecCtlPPC *ppc, uint32_t value) +{ + int i; + + ppc->ns = value & MAKE_64BIT_MASK(0, ppc->numports); + for (i = 0; i < ppc->numports; i++) { + qemu_set_irq(ppc->nonsec[i], extract32(ppc->ns, i, 1)); + } + iotkit_secctl_update_ppc_ap(ppc); +} + +static void iotkit_secctl_ppc_sp_write(IoTKitSecCtlPPC *ppc, uint32_t value) +{ + ppc->sp = value & MAKE_64BIT_MASK(0, ppc->numports); + iotkit_secctl_update_ppc_ap(ppc); +} + +static void iotkit_secctl_ppc_nsp_write(IoTKitSecCtlPPC *ppc, uint32_t value) +{ + ppc->nsp = value & MAKE_64BIT_MASK(0, ppc->numports); + iotkit_secctl_update_ppc_ap(ppc); +} + +static void iotkit_secctl_ppc_update_irq_clear(IoTKitSecCtlPPC *ppc) +{ + uint32_t value = ppc->parent->secppcintstat; + + qemu_set_irq(ppc->irq_clear, extract32(value, ppc->irq_bit_offset, 1)); +} + +static void iotkit_secctl_ppc_update_irq_enable(IoTKitSecCtlPPC *ppc) +{ + uint32_t value = ppc->parent->secppcinten; + + qemu_set_irq(ppc->irq_enable, extract32(value, ppc->irq_bit_offset, 1)); +} + +static void iotkit_secctl_update_mscexp_irqs(qemu_irq *msc_irqs, uint32_t value) +{ + int i; + + for (i = 0; i < IOTS_NUM_EXP_MSC; i++) { + qemu_set_irq(msc_irqs[i], extract32(value, i + 16, 1)); + } +} + +static void iotkit_secctl_update_msc_irq(IoTKitSecCtl *s) +{ + /* Update the combined MSC IRQ, based on S_MSCEXP_STATUS and S_MSCEXP_EN */ + bool level = s->secmscintstat & s->secmscinten; + + qemu_set_irq(s->msc_irq, level); +} + +static MemTxResult iotkit_secctl_s_write(void *opaque, hwaddr addr, + uint64_t value, + unsigned size, MemTxAttrs attrs) +{ + IoTKitSecCtl *s = IOTKIT_SECCTL(opaque); + uint32_t offset = addr; + IoTKitSecCtlPPC *ppc; + + trace_iotkit_secctl_s_write(offset, value, size); + + if (size != 4) { + /* Byte and halfword writes are ignored */ + qemu_log_mask(LOG_GUEST_ERROR, + "IotKit SecCtl S block write: bad size, ignored\n"); + return MEMTX_OK; + } + + switch (offset) { + case A_NSCCFG: + s->nsccfg = value & 3; + qemu_set_irq(s->nsc_cfg_irq, s->nsccfg); + break; + case A_SECRESPCFG: + value &= 1; + s->secrespcfg = value; + qemu_set_irq(s->sec_resp_cfg, s->secrespcfg); + break; + case A_SECPPCINTCLR: + s->secppcintstat &= ~(value & 0x00f000f3); + foreach_ppc(s, iotkit_secctl_ppc_update_irq_clear); + break; + case A_SECPPCINTEN: + s->secppcinten = value & 0x00f000f3; + foreach_ppc(s, iotkit_secctl_ppc_update_irq_enable); + break; + case A_BRGINTCLR: + break; + case A_BRGINTEN: + s->brginten = value & 0xffff0000; + break; + case A_AHBNSPPCEXP0: + case A_AHBNSPPCEXP1: + case A_AHBNSPPCEXP2: + case A_AHBNSPPCEXP3: + ppc = &s->ahbexp[offset_to_ppc_idx(offset)]; + iotkit_secctl_ppc_ns_write(ppc, value); + break; + case A_APBNSPPC0: + case A_APBNSPPC1: + ppc = &s->apb[offset_to_ppc_idx(offset)]; + iotkit_secctl_ppc_ns_write(ppc, value); + break; + case A_APBNSPPCEXP0: + case A_APBNSPPCEXP1: + case A_APBNSPPCEXP2: + case A_APBNSPPCEXP3: + ppc = &s->apbexp[offset_to_ppc_idx(offset)]; + iotkit_secctl_ppc_ns_write(ppc, value); + break; + case A_AHBSPPPCEXP0: + case A_AHBSPPPCEXP1: + case A_AHBSPPPCEXP2: + case A_AHBSPPPCEXP3: + ppc = &s->ahbexp[offset_to_ppc_idx(offset)]; + iotkit_secctl_ppc_sp_write(ppc, value); + break; + case A_APBSPPPC0: + case A_APBSPPPC1: + ppc = &s->apb[offset_to_ppc_idx(offset)]; + iotkit_secctl_ppc_sp_write(ppc, value); + break; + case A_APBSPPPCEXP0: + case A_APBSPPPCEXP1: + case A_APBSPPPCEXP2: + case A_APBSPPPCEXP3: + ppc = &s->apbexp[offset_to_ppc_idx(offset)]; + iotkit_secctl_ppc_sp_write(ppc, value); + break; + case A_SECMSCINTCLR: + iotkit_secctl_update_mscexp_irqs(s->mscexp_clear, value); + break; + case A_SECMSCINTEN: + s->secmscinten = value; + iotkit_secctl_update_msc_irq(s); + break; + case A_NSMSCEXP: + s->nsmscexp = value; + iotkit_secctl_update_mscexp_irqs(s->mscexp_ns, value); + break; + case A_SECMPCINTSTATUS: + case A_SECPPCINTSTAT: + case A_SECMSCINTSTAT: + case A_BRGINTSTAT: + case A_AHBNSPPC0: + case A_AHBSPPPC0: + case A_PID4: + case A_PID5: + case A_PID6: + case A_PID7: + case A_PID0: + case A_PID1: + case A_PID2: + case A_PID3: + case A_CID0: + case A_CID1: + case A_CID2: + case A_CID3: + qemu_log_mask(LOG_GUEST_ERROR, + "IoTKit SecCtl S block write: " + "read-only offset 0x%x\n", offset); + break; + default: + qemu_log_mask(LOG_GUEST_ERROR, + "IotKit SecCtl S block write: bad offset 0x%x\n", + offset); + break; + } + + return MEMTX_OK; +} + +static MemTxResult iotkit_secctl_ns_read(void *opaque, hwaddr addr, + uint64_t *pdata, + unsigned size, MemTxAttrs attrs) +{ + IoTKitSecCtl *s = IOTKIT_SECCTL(opaque); + uint64_t r; + uint32_t offset = addr & ~0x3; + + switch (offset) { + case A_AHBNSPPPC0: + r = 0; + break; + case A_AHBNSPPPCEXP0: + case A_AHBNSPPPCEXP1: + case A_AHBNSPPPCEXP2: + case A_AHBNSPPPCEXP3: + r = s->ahbexp[offset_to_ppc_idx(offset)].nsp; + break; + case A_APBNSPPPC0: + case A_APBNSPPPC1: + r = s->apb[offset_to_ppc_idx(offset)].nsp; + break; + case A_APBNSPPPCEXP0: + case A_APBNSPPPCEXP1: + case A_APBNSPPPCEXP2: + case A_APBNSPPPCEXP3: + r = s->apbexp[offset_to_ppc_idx(offset)].nsp; + break; + case A_PID4: + case A_PID5: + case A_PID6: + case A_PID7: + case A_PID0: + case A_PID1: + case A_PID2: + case A_PID3: + case A_CID0: + case A_CID1: + case A_CID2: + case A_CID3: + switch (s->sse_version) { + case ARMSSE_SSE300: + r = iotkit_secctl_ns_sse300_idregs[(offset - A_PID4) / 4]; + break; + default: + r = iotkit_secctl_ns_idregs[(offset - A_PID4) / 4]; + break; + } + break; + default: + qemu_log_mask(LOG_GUEST_ERROR, + "IotKit SecCtl NS block write: bad offset 0x%x\n", + offset); + r = 0; + break; + } + + if (size != 4) { + /* None of our registers are access-sensitive, so just pull the right + * byte out of the word read result. + */ + r = extract32(r, (addr & 3) * 8, size * 8); + } + + trace_iotkit_secctl_ns_read(offset, r, size); + *pdata = r; + return MEMTX_OK; +} + +static MemTxResult iotkit_secctl_ns_write(void *opaque, hwaddr addr, + uint64_t value, + unsigned size, MemTxAttrs attrs) +{ + IoTKitSecCtl *s = IOTKIT_SECCTL(opaque); + uint32_t offset = addr; + IoTKitSecCtlPPC *ppc; + + trace_iotkit_secctl_ns_write(offset, value, size); + + if (size != 4) { + /* Byte and halfword writes are ignored */ + qemu_log_mask(LOG_GUEST_ERROR, + "IotKit SecCtl NS block write: bad size, ignored\n"); + return MEMTX_OK; + } + + switch (offset) { + case A_AHBNSPPPCEXP0: + case A_AHBNSPPPCEXP1: + case A_AHBNSPPPCEXP2: + case A_AHBNSPPPCEXP3: + ppc = &s->ahbexp[offset_to_ppc_idx(offset)]; + iotkit_secctl_ppc_nsp_write(ppc, value); + break; + case A_APBNSPPPC0: + case A_APBNSPPPC1: + ppc = &s->apb[offset_to_ppc_idx(offset)]; + iotkit_secctl_ppc_nsp_write(ppc, value); + break; + case A_APBNSPPPCEXP0: + case A_APBNSPPPCEXP1: + case A_APBNSPPPCEXP2: + case A_APBNSPPPCEXP3: + ppc = &s->apbexp[offset_to_ppc_idx(offset)]; + iotkit_secctl_ppc_nsp_write(ppc, value); + break; + case A_AHBNSPPPC0: + case A_PID4: + case A_PID5: + case A_PID6: + case A_PID7: + case A_PID0: + case A_PID1: + case A_PID2: + case A_PID3: + case A_CID0: + case A_CID1: + case A_CID2: + case A_CID3: + qemu_log_mask(LOG_GUEST_ERROR, + "IoTKit SecCtl NS block write: " + "read-only offset 0x%x\n", offset); + break; + default: + qemu_log_mask(LOG_GUEST_ERROR, + "IotKit SecCtl NS block write: bad offset 0x%x\n", + offset); + break; + } + + return MEMTX_OK; +} + +static const MemoryRegionOps iotkit_secctl_s_ops = { + .read_with_attrs = iotkit_secctl_s_read, + .write_with_attrs = iotkit_secctl_s_write, + .endianness = DEVICE_LITTLE_ENDIAN, + .valid.min_access_size = 1, + .valid.max_access_size = 4, + .impl.min_access_size = 1, + .impl.max_access_size = 4, +}; + +static const MemoryRegionOps iotkit_secctl_ns_ops = { + .read_with_attrs = iotkit_secctl_ns_read, + .write_with_attrs = iotkit_secctl_ns_write, + .endianness = DEVICE_LITTLE_ENDIAN, + .valid.min_access_size = 1, + .valid.max_access_size = 4, + .impl.min_access_size = 1, + .impl.max_access_size = 4, +}; + +static void iotkit_secctl_reset_ppc(IoTKitSecCtlPPC *ppc) +{ + ppc->ns = 0; + ppc->sp = 0; + ppc->nsp = 0; +} + +static void iotkit_secctl_reset(DeviceState *dev) +{ + IoTKitSecCtl *s = IOTKIT_SECCTL(dev); + + s->secppcintstat = 0; + s->secppcinten = 0; + s->secrespcfg = 0; + s->nsccfg = 0; + s->brginten = 0; + + foreach_ppc(s, iotkit_secctl_reset_ppc); +} + +static void iotkit_secctl_mpc_status(void *opaque, int n, int level) +{ + IoTKitSecCtl *s = IOTKIT_SECCTL(opaque); + + s->mpcintstatus = deposit32(s->mpcintstatus, n, 1, !!level); +} + +static void iotkit_secctl_mpcexp_status(void *opaque, int n, int level) +{ + IoTKitSecCtl *s = IOTKIT_SECCTL(opaque); + + s->mpcintstatus = deposit32(s->mpcintstatus, n + 16, 1, !!level); +} + +static void iotkit_secctl_mscexp_status(void *opaque, int n, int level) +{ + IoTKitSecCtl *s = IOTKIT_SECCTL(opaque); + + s->secmscintstat = deposit32(s->secmscintstat, n + 16, 1, !!level); + iotkit_secctl_update_msc_irq(s); +} + +static void iotkit_secctl_ppc_irqstatus(void *opaque, int n, int level) +{ + IoTKitSecCtlPPC *ppc = opaque; + IoTKitSecCtl *s = IOTKIT_SECCTL(ppc->parent); + int irqbit = ppc->irq_bit_offset + n; + + s->secppcintstat = deposit32(s->secppcintstat, irqbit, 1, level); +} + +static void iotkit_secctl_init_ppc(IoTKitSecCtl *s, + IoTKitSecCtlPPC *ppc, + const char *name, + int numports, + int irq_bit_offset) +{ + char *gpioname; + DeviceState *dev = DEVICE(s); + + ppc->numports = numports; + ppc->irq_bit_offset = irq_bit_offset; + ppc->parent = s; + + gpioname = g_strdup_printf("%s_nonsec", name); + qdev_init_gpio_out_named(dev, ppc->nonsec, gpioname, numports); + g_free(gpioname); + gpioname = g_strdup_printf("%s_ap", name); + qdev_init_gpio_out_named(dev, ppc->ap, gpioname, numports); + g_free(gpioname); + gpioname = g_strdup_printf("%s_irq_enable", name); + qdev_init_gpio_out_named(dev, &ppc->irq_enable, gpioname, 1); + g_free(gpioname); + gpioname = g_strdup_printf("%s_irq_clear", name); + qdev_init_gpio_out_named(dev, &ppc->irq_clear, gpioname, 1); + g_free(gpioname); + gpioname = g_strdup_printf("%s_irq_status", name); + qdev_init_gpio_in_named_with_opaque(dev, iotkit_secctl_ppc_irqstatus, + ppc, gpioname, 1); + g_free(gpioname); +} + +static void iotkit_secctl_init(Object *obj) +{ + IoTKitSecCtl *s = IOTKIT_SECCTL(obj); + SysBusDevice *sbd = SYS_BUS_DEVICE(obj); + DeviceState *dev = DEVICE(obj); + int i; + + iotkit_secctl_init_ppc(s, &s->apb[0], "apb_ppc0", + IOTS_APB_PPC0_NUM_PORTS, 0); + iotkit_secctl_init_ppc(s, &s->apb[1], "apb_ppc1", + IOTS_APB_PPC1_NUM_PORTS, 1); + + for (i = 0; i < IOTS_NUM_APB_EXP_PPC; i++) { + IoTKitSecCtlPPC *ppc = &s->apbexp[i]; + char *ppcname = g_strdup_printf("apb_ppcexp%d", i); + iotkit_secctl_init_ppc(s, ppc, ppcname, IOTS_PPC_NUM_PORTS, 4 + i); + g_free(ppcname); + } + for (i = 0; i < IOTS_NUM_AHB_EXP_PPC; i++) { + IoTKitSecCtlPPC *ppc = &s->ahbexp[i]; + char *ppcname = g_strdup_printf("ahb_ppcexp%d", i); + iotkit_secctl_init_ppc(s, ppc, ppcname, IOTS_PPC_NUM_PORTS, 20 + i); + g_free(ppcname); + } + + qdev_init_gpio_out_named(dev, &s->sec_resp_cfg, "sec_resp_cfg", 1); + qdev_init_gpio_out_named(dev, &s->nsc_cfg_irq, "nsc_cfg", 1); + + qdev_init_gpio_in_named(dev, iotkit_secctl_mpc_status, "mpc_status", + IOTS_NUM_MPC); + qdev_init_gpio_in_named(dev, iotkit_secctl_mpcexp_status, + "mpcexp_status", IOTS_NUM_EXP_MPC); + + qdev_init_gpio_in_named(dev, iotkit_secctl_mscexp_status, + "mscexp_status", IOTS_NUM_EXP_MSC); + qdev_init_gpio_out_named(dev, s->mscexp_clear, "mscexp_clear", + IOTS_NUM_EXP_MSC); + qdev_init_gpio_out_named(dev, s->mscexp_ns, "mscexp_ns", + IOTS_NUM_EXP_MSC); + qdev_init_gpio_out_named(dev, &s->msc_irq, "msc_irq", 1); + + memory_region_init_io(&s->s_regs, obj, &iotkit_secctl_s_ops, + s, "iotkit-secctl-s-regs", 0x1000); + memory_region_init_io(&s->ns_regs, obj, &iotkit_secctl_ns_ops, + s, "iotkit-secctl-ns-regs", 0x1000); + sysbus_init_mmio(sbd, &s->s_regs); + sysbus_init_mmio(sbd, &s->ns_regs); +} + +static void iotkit_secctl_realize(DeviceState *dev, Error **errp) +{ + IoTKitSecCtl *s = IOTKIT_SECCTL(dev); + + if (!armsse_version_valid(s->sse_version)) { + error_setg(errp, "invalid sse-version value %d", s->sse_version); + return; + } +} + +static const VMStateDescription iotkit_secctl_ppc_vmstate = { + .name = "iotkit-secctl-ppc", + .version_id = 1, + .minimum_version_id = 1, + .fields = (VMStateField[]) { + VMSTATE_UINT32(ns, IoTKitSecCtlPPC), + VMSTATE_UINT32(sp, IoTKitSecCtlPPC), + VMSTATE_UINT32(nsp, IoTKitSecCtlPPC), + VMSTATE_END_OF_LIST() + } +}; + +static const VMStateDescription iotkit_secctl_mpcintstatus_vmstate = { + .name = "iotkit-secctl-mpcintstatus", + .version_id = 1, + .minimum_version_id = 1, + .fields = (VMStateField[]) { + VMSTATE_UINT32(mpcintstatus, IoTKitSecCtl), + VMSTATE_END_OF_LIST() + } +}; + +static bool needed_always(void *opaque) +{ + return true; +} + +static const VMStateDescription iotkit_secctl_msc_vmstate = { + .name = "iotkit-secctl/msc", + .version_id = 1, + .minimum_version_id = 1, + .needed = needed_always, + .fields = (VMStateField[]) { + VMSTATE_UINT32(secmscintstat, IoTKitSecCtl), + VMSTATE_UINT32(secmscinten, IoTKitSecCtl), + VMSTATE_UINT32(nsmscexp, IoTKitSecCtl), + VMSTATE_END_OF_LIST() + } +}; + +static const VMStateDescription iotkit_secctl_vmstate = { + .name = "iotkit-secctl", + .version_id = 1, + .minimum_version_id = 1, + .fields = (VMStateField[]) { + VMSTATE_UINT32(secppcintstat, IoTKitSecCtl), + VMSTATE_UINT32(secppcinten, IoTKitSecCtl), + VMSTATE_UINT32(secrespcfg, IoTKitSecCtl), + VMSTATE_UINT32(nsccfg, IoTKitSecCtl), + VMSTATE_UINT32(brginten, IoTKitSecCtl), + VMSTATE_STRUCT_ARRAY(apb, IoTKitSecCtl, IOTS_NUM_APB_PPC, 1, + iotkit_secctl_ppc_vmstate, IoTKitSecCtlPPC), + VMSTATE_STRUCT_ARRAY(apbexp, IoTKitSecCtl, IOTS_NUM_APB_EXP_PPC, 1, + iotkit_secctl_ppc_vmstate, IoTKitSecCtlPPC), + VMSTATE_STRUCT_ARRAY(ahbexp, IoTKitSecCtl, IOTS_NUM_AHB_EXP_PPC, 1, + iotkit_secctl_ppc_vmstate, IoTKitSecCtlPPC), + VMSTATE_END_OF_LIST() + }, + .subsections = (const VMStateDescription*[]) { + &iotkit_secctl_mpcintstatus_vmstate, + &iotkit_secctl_msc_vmstate, + NULL + }, +}; + +static Property iotkit_secctl_props[] = { + DEFINE_PROP_UINT32("sse-version", IoTKitSecCtl, sse_version, 0), + DEFINE_PROP_END_OF_LIST() +}; + +static void iotkit_secctl_class_init(ObjectClass *klass, void *data) +{ + DeviceClass *dc = DEVICE_CLASS(klass); + + dc->vmsd = &iotkit_secctl_vmstate; + dc->reset = iotkit_secctl_reset; + dc->realize = iotkit_secctl_realize; + device_class_set_props(dc, iotkit_secctl_props); +} + +static const TypeInfo iotkit_secctl_info = { + .name = TYPE_IOTKIT_SECCTL, + .parent = TYPE_SYS_BUS_DEVICE, + .instance_size = sizeof(IoTKitSecCtl), + .instance_init = iotkit_secctl_init, + .class_init = iotkit_secctl_class_init, +}; + +static void iotkit_secctl_register_types(void) +{ + type_register_static(&iotkit_secctl_info); +} + +type_init(iotkit_secctl_register_types); |