| /* |
| * ASPEED Ast27x0 TSP SoC |
| * |
| * Copyright (C) 2025 ASPEED Technology Inc. |
| * |
| * This code is licensed under the GPL version 2 or later. See |
| * the COPYING file in the top-level directory. |
| * |
| * SPDX-License-Identifier: GPL-2.0-or-later |
| */ |
| |
| #include "qemu/osdep.h" |
| #include "qapi/error.h" |
| #include "hw/qdev-clock.h" |
| #include "hw/misc/unimp.h" |
| #include "hw/arm/aspeed_soc.h" |
| |
| #define AST2700_TSP_RAM_SIZE (32 * MiB) |
| |
| static const hwaddr aspeed_soc_ast27x0tsp_memmap[] = { |
| [ASPEED_DEV_SRAM] = 0x00000000, |
| [ASPEED_DEV_INTC] = 0x72100000, |
| [ASPEED_DEV_SCU] = 0x72C02000, |
| [ASPEED_DEV_SCUIO] = 0x74C02000, |
| [ASPEED_DEV_UART0] = 0x74C33000, |
| [ASPEED_DEV_UART1] = 0x74C33100, |
| [ASPEED_DEV_UART2] = 0x74C33200, |
| [ASPEED_DEV_UART3] = 0x74C33300, |
| [ASPEED_DEV_UART4] = 0x72C1A000, |
| [ASPEED_DEV_INTCIO] = 0x74C18000, |
| [ASPEED_DEV_IPC0] = 0x72C1C000, |
| [ASPEED_DEV_IPC1] = 0x74C39000, |
| [ASPEED_DEV_UART5] = 0x74C33400, |
| [ASPEED_DEV_UART6] = 0x74C33500, |
| [ASPEED_DEV_UART7] = 0x74C33600, |
| [ASPEED_DEV_UART8] = 0x74C33700, |
| [ASPEED_DEV_UART9] = 0x74C33800, |
| [ASPEED_DEV_UART10] = 0x74C33900, |
| [ASPEED_DEV_UART11] = 0x74C33A00, |
| [ASPEED_DEV_UART12] = 0x74C33B00, |
| [ASPEED_DEV_TIMER1] = 0x72C10000, |
| }; |
| |
| static const int aspeed_soc_ast27x0tsp_irqmap[] = { |
| [ASPEED_DEV_SCU] = 12, |
| [ASPEED_DEV_UART0] = 164, |
| [ASPEED_DEV_UART1] = 164, |
| [ASPEED_DEV_UART2] = 164, |
| [ASPEED_DEV_UART3] = 164, |
| [ASPEED_DEV_UART4] = 8, |
| [ASPEED_DEV_UART5] = 164, |
| [ASPEED_DEV_UART6] = 164, |
| [ASPEED_DEV_UART7] = 164, |
| [ASPEED_DEV_UART8] = 164, |
| [ASPEED_DEV_UART9] = 164, |
| [ASPEED_DEV_UART10] = 164, |
| [ASPEED_DEV_UART11] = 164, |
| [ASPEED_DEV_UART12] = 164, |
| [ASPEED_DEV_TIMER1] = 16, |
| }; |
| |
| /* TSPINT 164 */ |
| static const int ast2700_tsp132_tsp164_intcmap[] = { |
| [ASPEED_DEV_UART0] = 7, |
| [ASPEED_DEV_UART1] = 8, |
| [ASPEED_DEV_UART2] = 9, |
| [ASPEED_DEV_UART3] = 10, |
| [ASPEED_DEV_UART5] = 11, |
| [ASPEED_DEV_UART6] = 12, |
| [ASPEED_DEV_UART7] = 13, |
| [ASPEED_DEV_UART8] = 14, |
| [ASPEED_DEV_UART9] = 15, |
| [ASPEED_DEV_UART10] = 16, |
| [ASPEED_DEV_UART11] = 17, |
| [ASPEED_DEV_UART12] = 18, |
| }; |
| |
| struct nvic_intc_irq_info { |
| int irq; |
| int intc_idx; |
| int orgate_idx; |
| const int *ptr; |
| }; |
| |
| static struct nvic_intc_irq_info ast2700_tsp_intcmap[] = { |
| {160, 1, 0, NULL}, |
| {161, 1, 1, NULL}, |
| {162, 1, 2, NULL}, |
| {163, 1, 3, NULL}, |
| {164, 1, 4, ast2700_tsp132_tsp164_intcmap}, |
| {165, 1, 5, NULL}, |
| {166, 1, 6, NULL}, |
| {167, 1, 7, NULL}, |
| {168, 1, 8, NULL}, |
| {169, 1, 9, NULL}, |
| {128, 0, 1, NULL}, |
| {129, 0, 2, NULL}, |
| {130, 0, 3, NULL}, |
| {131, 0, 4, NULL}, |
| {132, 0, 5, ast2700_tsp132_tsp164_intcmap}, |
| {133, 0, 6, NULL}, |
| {134, 0, 7, NULL}, |
| {135, 0, 8, NULL}, |
| {136, 0, 9, NULL}, |
| }; |
| |
| static qemu_irq aspeed_soc_ast27x0tsp_get_irq(AspeedSoCState *s, int dev) |
| { |
| Aspeed27x0TSPSoCState *a = ASPEED27X0TSP_SOC(s); |
| AspeedSoCClass *sc = ASPEED_SOC_GET_CLASS(s); |
| |
| int or_idx; |
| int idx; |
| int i; |
| |
| for (i = 0; i < ARRAY_SIZE(ast2700_tsp_intcmap); i++) { |
| if (sc->irqmap[dev] == ast2700_tsp_intcmap[i].irq) { |
| assert(ast2700_tsp_intcmap[i].ptr); |
| or_idx = ast2700_tsp_intcmap[i].orgate_idx; |
| idx = ast2700_tsp_intcmap[i].intc_idx; |
| return qdev_get_gpio_in(DEVICE(&a->intc[idx].orgates[or_idx]), |
| ast2700_tsp_intcmap[i].ptr[dev]); |
| } |
| } |
| |
| return qdev_get_gpio_in(DEVICE(&a->armv7m), sc->irqmap[dev]); |
| } |
| |
| static void aspeed_soc_ast27x0tsp_init(Object *obj) |
| { |
| Aspeed27x0TSPSoCState *a = ASPEED27X0TSP_SOC(obj); |
| AspeedSoCState *s = ASPEED_SOC(obj); |
| AspeedSoCClass *sc = ASPEED_SOC_GET_CLASS(s); |
| int i; |
| |
| object_initialize_child(obj, "armv7m", &a->armv7m, TYPE_ARMV7M); |
| object_initialize_child(obj, "scu", &s->scu, TYPE_ASPEED_2700_SCU); |
| s->sysclk = qdev_init_clock_in(DEVICE(s), "sysclk", NULL, NULL, 0); |
| qdev_prop_set_uint32(DEVICE(&s->scu), "silicon-rev", sc->silicon_rev); |
| |
| for (i = 0; i < sc->uarts_num; i++) { |
| object_initialize_child(obj, "uart[*]", &s->uart[i], TYPE_SERIAL_MM); |
| } |
| |
| object_initialize_child(obj, "intc0", &a->intc[0], |
| TYPE_ASPEED_2700TSP_INTC); |
| object_initialize_child(obj, "intc1", &a->intc[1], |
| TYPE_ASPEED_2700TSP_INTCIO); |
| |
| object_initialize_child(obj, "timerctrl", &s->timerctrl, |
| TYPE_UNIMPLEMENTED_DEVICE); |
| object_initialize_child(obj, "ipc0", &a->ipc[0], |
| TYPE_UNIMPLEMENTED_DEVICE); |
| object_initialize_child(obj, "ipc1", &a->ipc[1], |
| TYPE_UNIMPLEMENTED_DEVICE); |
| object_initialize_child(obj, "scuio", &a->scuio, |
| TYPE_UNIMPLEMENTED_DEVICE); |
| } |
| |
| static void aspeed_soc_ast27x0tsp_realize(DeviceState *dev_soc, Error **errp) |
| { |
| Aspeed27x0TSPSoCState *a = ASPEED27X0TSP_SOC(dev_soc); |
| AspeedSoCState *s = ASPEED_SOC(dev_soc); |
| AspeedSoCClass *sc = ASPEED_SOC_GET_CLASS(s); |
| DeviceState *armv7m; |
| g_autofree char *sram_name = NULL; |
| int i; |
| |
| if (!clock_has_source(s->sysclk)) { |
| error_setg(errp, "sysclk clock must be wired up by the board code"); |
| return; |
| } |
| |
| /* AST27X0 TSP Core */ |
| armv7m = DEVICE(&a->armv7m); |
| qdev_prop_set_uint32(armv7m, "num-irq", 256); |
| qdev_prop_set_string(armv7m, "cpu-type", aspeed_soc_cpu_type(sc)); |
| qdev_connect_clock_in(armv7m, "cpuclk", s->sysclk); |
| object_property_set_link(OBJECT(&a->armv7m), "memory", |
| OBJECT(s->memory), &error_abort); |
| sysbus_realize(SYS_BUS_DEVICE(&a->armv7m), &error_abort); |
| |
| sram_name = g_strdup_printf("aspeed.dram.%d", |
| CPU(a->armv7m.cpu)->cpu_index); |
| |
| if (!memory_region_init_ram(&s->sram, OBJECT(s), sram_name, sc->sram_size, |
| errp)) { |
| return; |
| } |
| memory_region_add_subregion(s->memory, |
| sc->memmap[ASPEED_DEV_SRAM], |
| &s->sram); |
| |
| /* SCU */ |
| if (!sysbus_realize(SYS_BUS_DEVICE(&s->scu), errp)) { |
| return; |
| } |
| aspeed_mmio_map(s, SYS_BUS_DEVICE(&s->scu), 0, sc->memmap[ASPEED_DEV_SCU]); |
| |
| /* INTC */ |
| if (!sysbus_realize(SYS_BUS_DEVICE(&a->intc[0]), errp)) { |
| return; |
| } |
| |
| aspeed_mmio_map(s, SYS_BUS_DEVICE(&a->intc[0]), 0, |
| sc->memmap[ASPEED_DEV_INTC]); |
| |
| /* INTCIO */ |
| if (!sysbus_realize(SYS_BUS_DEVICE(&a->intc[1]), errp)) { |
| return; |
| } |
| |
| aspeed_mmio_map(s, SYS_BUS_DEVICE(&a->intc[1]), 0, |
| sc->memmap[ASPEED_DEV_INTCIO]); |
| |
| /* irq source orgates -> INTC */ |
| for (i = 0; i < ASPEED_INTC_GET_CLASS(&a->intc[0])->num_inpins; i++) { |
| qdev_connect_gpio_out(DEVICE(&a->intc[0].orgates[i]), 0, |
| qdev_get_gpio_in(DEVICE(&a->intc[0]), i)); |
| } |
| for (i = 0; i < ASPEED_INTC_GET_CLASS(&a->intc[0])->num_outpins; i++) { |
| assert(i < ARRAY_SIZE(ast2700_tsp_intcmap)); |
| sysbus_connect_irq(SYS_BUS_DEVICE(&a->intc[0]), i, |
| qdev_get_gpio_in(DEVICE(&a->armv7m), |
| ast2700_tsp_intcmap[i].irq)); |
| } |
| /* irq source orgates -> INTC */ |
| for (i = 0; i < ASPEED_INTC_GET_CLASS(&a->intc[1])->num_inpins; i++) { |
| qdev_connect_gpio_out(DEVICE(&a->intc[1].orgates[i]), 0, |
| qdev_get_gpio_in(DEVICE(&a->intc[1]), i)); |
| } |
| /* INTCIO -> INTC */ |
| for (i = 0; i < ASPEED_INTC_GET_CLASS(&a->intc[1])->num_outpins; i++) { |
| sysbus_connect_irq(SYS_BUS_DEVICE(&a->intc[1]), i, |
| qdev_get_gpio_in(DEVICE(&a->intc[0].orgates[0]), i)); |
| } |
| /* UART */ |
| if (!aspeed_soc_uart_realize(s, errp)) { |
| return; |
| } |
| |
| aspeed_mmio_map_unimplemented(s, SYS_BUS_DEVICE(&s->timerctrl), |
| "aspeed.timerctrl", |
| sc->memmap[ASPEED_DEV_TIMER1], 0x200); |
| aspeed_mmio_map_unimplemented(s, SYS_BUS_DEVICE(&a->ipc[0]), |
| "aspeed.ipc0", |
| sc->memmap[ASPEED_DEV_IPC0], 0x1000); |
| aspeed_mmio_map_unimplemented(s, SYS_BUS_DEVICE(&a->ipc[1]), |
| "aspeed.ipc1", |
| sc->memmap[ASPEED_DEV_IPC1], 0x1000); |
| aspeed_mmio_map_unimplemented(s, SYS_BUS_DEVICE(&a->scuio), |
| "aspeed.scuio", |
| sc->memmap[ASPEED_DEV_SCUIO], 0x1000); |
| } |
| |
| static void aspeed_soc_ast27x0tsp_class_init(ObjectClass *klass, const void *data) |
| { |
| static const char * const valid_cpu_types[] = { |
| ARM_CPU_TYPE_NAME("cortex-m4"), /* TODO cortex-m4f */ |
| NULL |
| }; |
| DeviceClass *dc = DEVICE_CLASS(klass); |
| AspeedSoCClass *sc = ASPEED_SOC_CLASS(dc); |
| |
| /* Reason: The Aspeed SoC can only be instantiated from a board */ |
| dc->user_creatable = false; |
| dc->realize = aspeed_soc_ast27x0tsp_realize; |
| |
| sc->valid_cpu_types = valid_cpu_types; |
| sc->silicon_rev = AST2700_A1_SILICON_REV; |
| sc->sram_size = AST2700_TSP_RAM_SIZE; |
| sc->spis_num = 0; |
| sc->ehcis_num = 0; |
| sc->wdts_num = 0; |
| sc->macs_num = 0; |
| sc->uarts_num = 13; |
| sc->uarts_base = ASPEED_DEV_UART0; |
| sc->irqmap = aspeed_soc_ast27x0tsp_irqmap; |
| sc->memmap = aspeed_soc_ast27x0tsp_memmap; |
| sc->num_cpus = 1; |
| sc->get_irq = aspeed_soc_ast27x0tsp_get_irq; |
| } |
| |
| static const TypeInfo aspeed_soc_ast27x0tsp_types[] = { |
| { |
| .name = TYPE_ASPEED27X0TSP_SOC, |
| .parent = TYPE_ASPEED_SOC, |
| .instance_size = sizeof(Aspeed27x0TSPSoCState), |
| .instance_init = aspeed_soc_ast27x0tsp_init, |
| .class_init = aspeed_soc_ast27x0tsp_class_init, |
| }, |
| }; |
| |
| DEFINE_TYPES(aspeed_soc_ast27x0tsp_types) |