diff options
| -rw-r--r-- | hw/arm/iotkit.c | 59 | ||||
| -rw-r--r-- | hw/arm/mps2-tz.c | 2 | ||||
| -rw-r--r-- | include/hw/arm/iotkit.h | 22 |
3 files changed, 47 insertions, 36 deletions
diff --git a/hw/arm/iotkit.c b/hw/arm/iotkit.c index 8742200fb4..9360053184 100644 --- a/hw/arm/iotkit.c +++ b/hw/arm/iotkit.c @@ -1,5 +1,5 @@ /* - * Arm IoT Kit + * Arm SSE (Subsystems for Embedded): IoTKit * * Copyright (c) 2018 Linaro Limited * Written by Peter Maydell @@ -24,7 +24,7 @@ /* Create an alias region of @size bytes starting at @base * which mirrors the memory starting at @orig. */ -static void make_alias(IoTKit *s, MemoryRegion *mr, const char *name, +static void make_alias(ARMSSE *s, MemoryRegion *mr, const char *name, hwaddr base, hwaddr size, hwaddr orig) { memory_region_init_alias(mr, NULL, name, &s->container, orig, size); @@ -41,18 +41,18 @@ static void irq_status_forwarder(void *opaque, int n, int level) static void nsccfg_handler(void *opaque, int n, int level) { - IoTKit *s = IOTKIT(opaque); + ARMSSE *s = ARMSSE(opaque); s->nsccfg = level; } -static void iotkit_forward_ppc(IoTKit *s, const char *ppcname, int ppcnum) +static void iotkit_forward_ppc(ARMSSE *s, const char *ppcname, int ppcnum) { /* Each of the 4 AHB and 4 APB PPCs that might be present in a - * system using the IoTKit has a collection of control lines which + * system using the ARMSSE has a collection of control lines which * are provided by the security controller and which we want to - * expose as control lines on the IoTKit device itself, so the - * code using the IoTKit can wire them up to the PPCs. + * expose as control lines on the ARMSSE device itself, so the + * code using the ARMSSE can wire them up to the PPCs. */ SplitIRQ *splitter = &s->ppc_irq_splitter[ppcnum]; DeviceState *iotkitdev = DEVICE(s); @@ -91,7 +91,7 @@ static void iotkit_forward_ppc(IoTKit *s, const char *ppcname, int ppcnum) g_free(name); } -static void iotkit_forward_sec_resp_cfg(IoTKit *s) +static void iotkit_forward_sec_resp_cfg(ARMSSE *s) { /* Forward the 3rd output from the splitter device as a * named GPIO output of the iotkit object. @@ -107,7 +107,7 @@ static void iotkit_forward_sec_resp_cfg(IoTKit *s) static void iotkit_init(Object *obj) { - IoTKit *s = IOTKIT(obj); + ARMSSE *s = ARMSSE(obj); int i; memory_region_init(&s->container, obj, "iotkit-container", UINT64_MAX); @@ -175,20 +175,20 @@ static void iotkit_init(Object *obj) static void iotkit_exp_irq(void *opaque, int n, int level) { - IoTKit *s = IOTKIT(opaque); + ARMSSE *s = ARMSSE(opaque); qemu_set_irq(s->exp_irqs[n], level); } static void iotkit_mpcexp_status(void *opaque, int n, int level) { - IoTKit *s = IOTKIT(opaque); + ARMSSE *s = ARMSSE(opaque); qemu_set_irq(s->mpcexp_status_in[n], level); } static void iotkit_realize(DeviceState *dev, Error **errp) { - IoTKit *s = IOTKIT(dev); + ARMSSE *s = ARMSSE(dev); int i; MemoryRegion *mr; Error *err = NULL; @@ -215,9 +215,9 @@ static void iotkit_realize(DeviceState *dev, Error **errp) * devices exist in both address spaces but with hard-wired security * permissions that will cause the CPU to fault for non-secure accesses. * - * The IoTKit has an IDAU (Implementation Defined Access Unit), + * The ARMSSE has an IDAU (Implementation Defined Access Unit), * which specifies hard-wired security permissions for different - * areas of the physical address space. For the IoTKit IDAU, the + * areas of the physical address space. For the ARMSSE IDAU, the * top 4 bits of the physical address are the IDAU region ID, and * if bit 28 (ie the lowest bit of the ID) is 0 then this is an NS * region, otherwise it is an S region. @@ -239,7 +239,7 @@ static void iotkit_realize(DeviceState *dev, Error **errp) * 0x20000000..0x2007ffff 32KB FPGA block RAM * 0x30000000..0x3fffffff alias of 0x20000000..0x2fffffff * 0x40000000..0x4000ffff base peripheral region 1 - * 0x40010000..0x4001ffff CPU peripherals (none for IoTKit) + * 0x40010000..0x4001ffff CPU peripherals (none for ARMSSE) * 0x40020000..0x4002ffff system control element peripherals * 0x40080000..0x400fffff base peripheral region 2 * 0x50000000..0x5fffffff alias of 0x40000000..0x4fffffff @@ -306,8 +306,8 @@ static void iotkit_realize(DeviceState *dev, Error **errp) qdev_connect_gpio_out_named(dev_secctl, "nsc_cfg", 0, s->nsc_cfg_in); /* The sec_resp_cfg output from the security controller must be split into - * multiple lines, one for each of the PPCs within the IoTKit and one - * that will be an output from the IoTKit to the system. + * multiple lines, one for each of the PPCs within the ARMSSE and one + * that will be an output from the ARMSSE to the system. */ object_property_set_int(OBJECT(&s->sec_resp_splitter), 3, "num-lines", &err); @@ -475,7 +475,7 @@ static void iotkit_realize(DeviceState *dev, Error **errp) /* 0x40010000 .. 0x4001ffff: private CPU region: unused in IoTKit */ - /* 0x40020000 .. 0x4002ffff : IoTKit system control peripheral region */ + /* 0x40020000 .. 0x4002ffff : ARMSSE system control peripheral region */ /* Devices behind APB PPC1: * 0x4002f000: S32K timer */ @@ -558,7 +558,7 @@ static void iotkit_realize(DeviceState *dev, Error **errp) qdev_get_gpio_in(DEVICE(&s->nmi_orgate), 0)); sysbus_mmio_map(SYS_BUS_DEVICE(&s->s32kwatchdog), 0, 0x5002e000); - /* 0x40080000 .. 0x4008ffff : IoTKit second Base peripheral region */ + /* 0x40080000 .. 0x4008ffff : ARMSSE second Base peripheral region */ qdev_prop_set_uint32(DEVICE(&s->nswatchdog), "wdogclk-frq", s->mainclk_frq); object_property_set_bool(OBJECT(&s->nswatchdog), true, "realized", &err); @@ -678,7 +678,7 @@ static void iotkit_realize(DeviceState *dev, Error **errp) * Expose our container region to the board model; this corresponds * to the AHB Slave Expansion ports which allow bus master devices * (eg DMA controllers) in the board model to make transactions into - * devices in the IoTKit. + * devices in the ARMSSE. */ sysbus_init_mmio(SYS_BUS_DEVICE(s), &s->container); @@ -688,11 +688,12 @@ static void iotkit_realize(DeviceState *dev, Error **errp) static void iotkit_idau_check(IDAUInterface *ii, uint32_t address, int *iregion, bool *exempt, bool *ns, bool *nsc) { - /* For IoTKit systems the IDAU responses are simple logical functions + /* + * For ARMSSE systems the IDAU responses are simple logical functions * of the address bits. The NSC attribute is guest-adjustable via the * NSCCFG register in the security controller. */ - IoTKit *s = IOTKIT(ii); + ARMSSE *s = ARMSSE(ii); int region = extract32(address, 28, 4); *ns = !(region & 1); @@ -707,22 +708,22 @@ static const VMStateDescription iotkit_vmstate = { .version_id = 1, .minimum_version_id = 1, .fields = (VMStateField[]) { - VMSTATE_UINT32(nsccfg, IoTKit), + VMSTATE_UINT32(nsccfg, ARMSSE), VMSTATE_END_OF_LIST() } }; static Property iotkit_properties[] = { - DEFINE_PROP_LINK("memory", IoTKit, board_memory, TYPE_MEMORY_REGION, + DEFINE_PROP_LINK("memory", ARMSSE, board_memory, TYPE_MEMORY_REGION, MemoryRegion *), - DEFINE_PROP_UINT32("EXP_NUMIRQ", IoTKit, exp_numirq, 64), - DEFINE_PROP_UINT32("MAINCLK", IoTKit, mainclk_frq, 0), + DEFINE_PROP_UINT32("EXP_NUMIRQ", ARMSSE, exp_numirq, 64), + DEFINE_PROP_UINT32("MAINCLK", ARMSSE, mainclk_frq, 0), DEFINE_PROP_END_OF_LIST() }; static void iotkit_reset(DeviceState *dev) { - IoTKit *s = IOTKIT(dev); + ARMSSE *s = ARMSSE(dev); s->nsccfg = 0; } @@ -740,9 +741,9 @@ static void iotkit_class_init(ObjectClass *klass, void *data) } static const TypeInfo iotkit_info = { - .name = TYPE_IOTKIT, + .name = TYPE_ARMSSE, .parent = TYPE_SYS_BUS_DEVICE, - .instance_size = sizeof(IoTKit), + .instance_size = sizeof(ARMSSE), .instance_init = iotkit_init, .class_init = iotkit_class_init, .interfaces = (InterfaceInfo[]) { diff --git a/hw/arm/mps2-tz.c b/hw/arm/mps2-tz.c index 82b1d020a5..5824335b4f 100644 --- a/hw/arm/mps2-tz.c +++ b/hw/arm/mps2-tz.c @@ -66,7 +66,7 @@ typedef struct { typedef struct { MachineState parent; - IoTKit iotkit; + ARMSSE iotkit; MemoryRegion psram; MemoryRegion ssram[3]; MemoryRegion ssram1_m; diff --git a/include/hw/arm/iotkit.h b/include/hw/arm/iotkit.h index 3a8ee63908..9701738ec7 100644 --- a/include/hw/arm/iotkit.h +++ b/include/hw/arm/iotkit.h @@ -1,5 +1,5 @@ /* - * ARM IoT Kit + * ARM SSE (Subsystems for Embedded): IoTKit * * Copyright (c) 2018 Linaro Limited * Written by Peter Maydell @@ -9,7 +9,10 @@ * (at your option) any later version. */ -/* This is a model of the Arm IoT Kit which is documented in +/* + * This is a model of the Arm "Subsystems for Embedded" family of + * hardware, which include the IoT Kit and the SSE-050, SSE-100 and + * SSE-200. Currently we model only the Arm IoT Kit which is documented in * http://infocenter.arm.com/help/index.jsp?topic=/com.arm.doc.ecm0601256/index.html * It contains: * a Cortex-M33 @@ -71,8 +74,15 @@ #include "hw/or-irq.h" #include "hw/core/split-irq.h" -#define TYPE_IOTKIT "iotkit" -#define IOTKIT(obj) OBJECT_CHECK(IoTKit, (obj), TYPE_IOTKIT) +#define TYPE_ARMSSE "iotkit" +#define ARMSSE(obj) OBJECT_CHECK(ARMSSE, (obj), TYPE_ARMSSE) + +/* + * For the moment TYPE_IOTKIT is a synonym for TYPE_ARMSSE (and the + * latter's underlying name is left as "iotkit"); in a later + * commit it will become a subclass of TYPE_ARMSSE. + */ +#define TYPE_IOTKIT TYPE_ARMSSE /* We have an IRQ splitter and an OR gate input for each external PPC * and the 2 internal PPCs @@ -80,7 +90,7 @@ #define NUM_EXTERNAL_PPCS (IOTS_NUM_AHB_EXP_PPC + IOTS_NUM_APB_EXP_PPC) #define NUM_PPCS (NUM_EXTERNAL_PPCS + 2) -typedef struct IoTKit { +typedef struct ARMSSE { /*< private >*/ SysBusDevice parent_obj; @@ -131,6 +141,6 @@ typedef struct IoTKit { MemoryRegion *board_memory; uint32_t exp_numirq; uint32_t mainclk_frq; -} IoTKit; +} ARMSSE; #endif |