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-rw-r--r--hw/arm/musca.c155
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 = {
generated by cgit v1.1 at 2024-12-28 19:26:13 +0000