diff options
| -rw-r--r-- | hw/arm/musca.c | 155 |
1 files changed, 147 insertions, 8 deletions
diff --git a/hw/arm/musca.c b/hw/arm/musca.c index 8774e0b..c4095c4 100644 --- a/hw/arm/musca.c +++ b/hw/arm/musca.c @@ -27,11 +27,15 @@ #include "hw/arm/armsse.h" #include "hw/boards.h" #include "hw/core/split-irq.h" +#include "hw/misc/tz-mpc.h" #include "hw/misc/tz-ppc.h" #include "hw/misc/unimp.h" #define MUSCA_NUMIRQ_MAX 96 #define MUSCA_PPC_MAX 3 +#define MUSCA_MPC_MAX 5 + +typedef struct MPCInfo MPCInfo; typedef enum MuscaType { MUSCA_A, @@ -44,19 +48,23 @@ typedef struct { uint32_t init_svtor; int sram_addr_width; int num_irqs; + const MPCInfo *mpc_info; + int num_mpcs; } MuscaMachineClass; typedef struct { MachineState parent; ARMSSE sse; + /* RAM and flash */ + MemoryRegion ram[MUSCA_MPC_MAX]; SplitIRQ cpu_irq_splitter[MUSCA_NUMIRQ_MAX]; SplitIRQ sec_resp_splitter; TZPPC ppc[MUSCA_PPC_MAX]; MemoryRegion container; UnimplementedDeviceState eflash[2]; UnimplementedDeviceState qspi; - UnimplementedDeviceState mpc[5]; + TZMPC mpc[MUSCA_MPC_MAX]; UnimplementedDeviceState mhu[2]; UnimplementedDeviceState pwm[3]; UnimplementedDeviceState i2s; @@ -69,6 +77,7 @@ typedef struct { UnimplementedDeviceState pvt; UnimplementedDeviceState sdio; UnimplementedDeviceState gpio; + UnimplementedDeviceState cryptoisland; } MuscaMachineState; #define TYPE_MUSCA_MACHINE "musca" @@ -131,6 +140,131 @@ static MemoryRegion *make_unimp_dev(MuscaMachineState *mms, return sysbus_mmio_get_region(SYS_BUS_DEVICE(uds), 0); } +typedef enum MPCInfoType { + MPC_RAM, + MPC_ROM, + MPC_CRYPTOISLAND, +} MPCInfoType; + +struct MPCInfo { + const char *name; + hwaddr addr; + hwaddr size; + MPCInfoType type; +}; + +/* Order of the MPCs here must match the order of the bits in SECMPCINTSTATUS */ +static const MPCInfo a_mpc_info[] = { { + .name = "qspi", + .type = MPC_ROM, + .addr = 0x00200000, + .size = 0x00800000, + }, { + .name = "sram", + .type = MPC_RAM, + .addr = 0x00000000, + .size = 0x00200000, + } +}; + +static const MPCInfo b1_mpc_info[] = { { + .name = "qspi", + .type = MPC_ROM, + .addr = 0x00000000, + .size = 0x02000000, + }, { + .name = "sram", + .type = MPC_RAM, + .addr = 0x0a400000, + .size = 0x00080000, + }, { + .name = "eflash0", + .type = MPC_ROM, + .addr = 0x0a000000, + .size = 0x00200000, + }, { + .name = "eflash1", + .type = MPC_ROM, + .addr = 0x0a200000, + .size = 0x00200000, + }, { + .name = "cryptoisland", + .type = MPC_CRYPTOISLAND, + .addr = 0x0a000000, + .size = 0x00200000, + } +}; + +static MemoryRegion *make_mpc(MuscaMachineState *mms, void *opaque, + const char *name, hwaddr size) +{ + /* + * Create an MPC and the RAM or flash behind it. + * MPC 0: eFlash 0 + * MPC 1: eFlash 1 + * MPC 2: SRAM + * MPC 3: QSPI flash + * MPC 4: CryptoIsland + * For now we implement the flash regions as ROM (ie not programmable) + * (with their control interface memory regions being unimplemented + * stubs behind the PPCs). + * The whole CryptoIsland region behind its MPC is an unimplemented stub. + */ + MuscaMachineClass *mmc = MUSCA_MACHINE_GET_CLASS(mms); + TZMPC *mpc = opaque; + int i = mpc - &mms->mpc[0]; + MemoryRegion *downstream; + MemoryRegion *upstream; + UnimplementedDeviceState *uds; + char *mpcname; + const MPCInfo *mpcinfo = mmc->mpc_info; + + mpcname = g_strdup_printf("%s-mpc", mpcinfo[i].name); + + switch (mpcinfo[i].type) { + case MPC_ROM: + downstream = &mms->ram[i]; + memory_region_init_rom(downstream, NULL, mpcinfo[i].name, + mpcinfo[i].size, &error_fatal); + break; + case MPC_RAM: + downstream = &mms->ram[i]; + memory_region_init_ram(downstream, NULL, mpcinfo[i].name, + mpcinfo[i].size, &error_fatal); + break; + case MPC_CRYPTOISLAND: + /* We don't implement the CryptoIsland yet */ + uds = &mms->cryptoisland; + sysbus_init_child_obj(OBJECT(mms), name, uds, + sizeof(UnimplementedDeviceState), + TYPE_UNIMPLEMENTED_DEVICE); + qdev_prop_set_string(DEVICE(uds), "name", mpcinfo[i].name); + qdev_prop_set_uint64(DEVICE(uds), "size", mpcinfo[i].size); + object_property_set_bool(OBJECT(uds), true, "realized", &error_fatal); + downstream = sysbus_mmio_get_region(SYS_BUS_DEVICE(uds), 0); + break; + default: + g_assert_not_reached(); + } + + sysbus_init_child_obj(OBJECT(mms), mpcname, mpc, sizeof(mms->mpc[0]), + TYPE_TZ_MPC); + object_property_set_link(OBJECT(mpc), OBJECT(downstream), + "downstream", &error_fatal); + object_property_set_bool(OBJECT(mpc), true, "realized", &error_fatal); + /* Map the upstream end of the MPC into system memory */ + upstream = sysbus_mmio_get_region(SYS_BUS_DEVICE(mpc), 1); + memory_region_add_subregion(get_system_memory(), mpcinfo[i].addr, upstream); + /* and connect its interrupt to the SSE-200 */ + qdev_connect_gpio_out_named(DEVICE(mpc), "irq", 0, + qdev_get_gpio_in_named(DEVICE(&mms->sse), + "mpcexp_status", i)); + + g_free(mpcname); + /* Return the register interface MR for our caller to map behind the PPC */ + return sysbus_mmio_get_region(SYS_BUS_DEVICE(mpc), 0); +} + static MemoryRegion *make_musca_a_devs(MuscaMachineState *mms, void *opaque, const char *name, hwaddr size) { @@ -160,8 +294,8 @@ static MemoryRegion *make_musca_a_devs(MuscaMachineState *mms, void *opaque, { "pwm1", make_unimp_dev, &mms->pwm[1], 0xe000, 0x1000 }, { "pwm2", make_unimp_dev, &mms->pwm[2], 0xf000, 0x1000 }, { "gpio", make_unimp_dev, &mms->gpio, 0x10000, 0x1000 }, - { "mpc0", make_unimp_dev, &mms->mpc[0], 0x12000, 0x1000 }, - { "mpc1", make_unimp_dev, &mms->mpc[1], 0x13000, 0x1000 }, + { "mpc0", make_mpc, &mms->mpc[0], 0x12000, 0x1000 }, + { "mpc1", make_mpc, &mms->mpc[1], 0x13000, 0x1000 }, }; memory_region_init(container, OBJECT(mms), "musca-device-container", size); @@ -190,6 +324,7 @@ static void musca_init(MachineState *machine) int i; assert(mmc->num_irqs <= MUSCA_NUMIRQ_MAX); + assert(mmc->num_mpcs <= MUSCA_MPC_MAX); if (strcmp(machine->cpu_type, mc->default_cpu_type) != 0) { error_report("This board can only be used with CPU %s", @@ -285,10 +420,10 @@ static void musca_init(MachineState *machine) { "eflash1", make_unimp_dev, &mms->eflash[1], 0x52500000, 0x1000 }, { "qspi", make_unimp_dev, &mms->qspi, 0x42800000, 0x100000 }, - { "mpc0", make_unimp_dev, &mms->mpc[0], 0x52000000, 0x1000 }, - { "mpc1", make_unimp_dev, &mms->mpc[1], 0x52100000, 0x1000 }, - { "mpc2", make_unimp_dev, &mms->mpc[2], 0x52200000, 0x1000 }, - { "mpc3", make_unimp_dev, &mms->mpc[3], 0x52300000, 0x1000 }, + { "mpc0", make_mpc, &mms->mpc[0], 0x52000000, 0x1000 }, + { "mpc1", make_mpc, &mms->mpc[1], 0x52100000, 0x1000 }, + { "mpc2", make_mpc, &mms->mpc[2], 0x52200000, 0x1000 }, + { "mpc3", make_mpc, &mms->mpc[3], 0x52300000, 0x1000 }, { "mhu0", make_unimp_dev, &mms->mhu[0], 0x42600000, 0x100000 }, { "mhu1", make_unimp_dev, &mms->mhu[1], 0x42700000, 0x100000 }, { }, /* port 9: unused */ @@ -296,7 +431,7 @@ static void musca_init(MachineState *machine) { }, /* port 11: unused */ { }, /* port 12: unused */ { }, /* port 13: unused */ - { "mpc4", make_unimp_dev, &mms->mpc[4], 0x52e00000, 0x1000 }, + { "mpc4", make_mpc, &mms->mpc[4], 0x52e00000, 0x1000 }, }, }, { .name = "apb_ppcexp1", @@ -434,6 +569,8 @@ static void musca_a_class_init(ObjectClass *oc, void *data) mmc->init_svtor = 0x10200000; mmc->sram_addr_width = 15; mmc->num_irqs = 64; + mmc->mpc_info = a_mpc_info; + mmc->num_mpcs = ARRAY_SIZE(a_mpc_info); } static void musca_b1_class_init(ObjectClass *oc, void *data) @@ -453,6 +590,8 @@ static void musca_b1_class_init(ObjectClass *oc, void *data) mmc->init_svtor = 0x10000000; mmc->sram_addr_width = 17; mmc->num_irqs = 96; + mmc->mpc_info = b1_mpc_info; + mmc->num_mpcs = ARRAY_SIZE(b1_mpc_info); } static const TypeInfo musca_info = { |