---
hw/arm/aspeed_ast27x0.c | 554
++++++++++++++++++++++++++++++++++++
hw/arm/meson.build | 1 +
include/hw/arm/aspeed_soc.h | 26 +-
3 files changed, 579 insertions(+), 2 deletions(-)
create mode 100644 hw/arm/aspeed_ast27x0.c
diff --git a/hw/arm/aspeed_ast27x0.c b/hw/arm/aspeed_ast27x0.c new
file mode 100644 index 0000000000..754c963230
--- /dev/null
+++ b/hw/arm/aspeed_ast27x0.c
@@ -0,0 +1,554 @@
+/*
+ * ASPEED SoC 27x0 family
+ *
+ * Copyright (C) 2024 ASPEED Technology Inc.
+ *
+ * This code is licensed under the GPL version 2 or later. See
+ * the COPYING file in the top-level directory.
+ *
+ * Implementation extracted from the AST2600 and adapted for AST27x0.
+ */
+
+#include "qemu/osdep.h"
+#include "qapi/error.h"
+#include "hw/misc/unimp.h"
+#include "hw/arm/aspeed_soc.h"
+#include "qemu/module.h"
+#include "qemu/error-report.h"
+#include "hw/i2c/aspeed_i2c.h"
+#include "net/net.h"
+#include "sysemu/sysemu.h"
+#include "hw/intc/arm_gicv3.h"
+#include "qapi/qmp/qlist.h"
+
+static const hwaddr aspeed_soc_ast2700_memmap[] = {
+ [ASPEED_DEV_SPI_BOOT] = 0x400000000,
+ [ASPEED_DEV_SRAM] = 0x10000000,
+ [ASPEED_DEV_SDMC] = 0x12C00000,
+ [ASPEED_DEV_SCU] = 0x12C02000,
+ [ASPEED_DEV_SCUIO] = 0x14C02000,
+ [ASPEED_DEV_UART0] = 0X14C33000,
+ [ASPEED_DEV_UART1] = 0X14C33100,
+ [ASPEED_DEV_UART2] = 0X14C33200,
+ [ASPEED_DEV_UART3] = 0X14C33300,
+ [ASPEED_DEV_UART4] = 0X12C1A000,
+ [ASPEED_DEV_UART5] = 0X14C33400,
+ [ASPEED_DEV_UART6] = 0X14C33500,
+ [ASPEED_DEV_UART7] = 0X14C33600,
+ [ASPEED_DEV_UART8] = 0X14C33700,
+ [ASPEED_DEV_UART9] = 0X14C33800,
+ [ASPEED_DEV_UART10] = 0X14C33900,
+ [ASPEED_DEV_UART11] = 0X14C33A00,
+ [ASPEED_DEV_UART12] = 0X14C33B00,
+ [ASPEED_DEV_WDT] = 0x14C37000,
+ [ASPEED_DEV_VUART] = 0X14C30000,
+ [ASPEED_DEV_FMC] = 0x14000000,
+ [ASPEED_DEV_SPI0] = 0x14010000,
+ [ASPEED_DEV_SPI1] = 0x14020000,
+ [ASPEED_DEV_SPI2] = 0x14030000,
+ [ASPEED_DEV_SDRAM] = 0x400000000,
+ [ASPEED_DEV_MII1] = 0x14040000,
+ [ASPEED_DEV_MII2] = 0x14040008,
+ [ASPEED_DEV_MII3] = 0x14040010,
+ [ASPEED_DEV_ETH1] = 0x14050000,
+ [ASPEED_DEV_ETH2] = 0x14060000,
+ [ASPEED_DEV_ETH3] = 0x14070000,
+ [ASPEED_DEV_EMMC] = 0x12090000,
+ [ASPEED_DEV_INTC] = 0x12100000,
+ [ASPEED_DEV_SLI] = 0x12C17000,
+ [ASPEED_DEV_SLIIO] = 0x14C1E000,
+ [ASPEED_GIC_DIST] = 0x12200000,
+ [ASPEED_GIC_REDIST] = 0x12280000,
+};
+
+#define AST2700_MAX_IRQ 288
+
+/* Shared Peripheral Interrupt values below are offset by -32 from
+datasheet */ static const int aspeed_soc_ast2700_irqmap[] = {
+ [ASPEED_DEV_UART0] = 132,
+ [ASPEED_DEV_UART1] = 132,
+ [ASPEED_DEV_UART2] = 132,
+ [ASPEED_DEV_UART3] = 132,
+ [ASPEED_DEV_UART4] = 8,
+ [ASPEED_DEV_UART5] = 132,
+ [ASPEED_DEV_UART6] = 132,
+ [ASPEED_DEV_UART7] = 132,
+ [ASPEED_DEV_UART8] = 132,
+ [ASPEED_DEV_UART9] = 132,
+ [ASPEED_DEV_UART10] = 132,
+ [ASPEED_DEV_UART11] = 132,
+ [ASPEED_DEV_UART12] = 132,
+ [ASPEED_DEV_FMC] = 131,
+ [ASPEED_DEV_SDMC] = 0,
+ [ASPEED_DEV_SCU] = 12,
+ [ASPEED_DEV_ADC] = 130,
+ [ASPEED_DEV_XDMA] = 5,
+ [ASPEED_DEV_EMMC] = 15,
+ [ASPEED_DEV_GPIO] = 11,
+ [ASPEED_DEV_GPIO_1_8V] = 130,
+ [ASPEED_DEV_RTC] = 13,
+ [ASPEED_DEV_TIMER1] = 16,
+ [ASPEED_DEV_TIMER2] = 17,
+ [ASPEED_DEV_TIMER3] = 18,
+ [ASPEED_DEV_TIMER4] = 19,
+ [ASPEED_DEV_TIMER5] = 20,
+ [ASPEED_DEV_TIMER6] = 21,
+ [ASPEED_DEV_TIMER7] = 22,
+ [ASPEED_DEV_TIMER8] = 23,
+ [ASPEED_DEV_WDT] = 131,
+ [ASPEED_DEV_PWM] = 131,
+ [ASPEED_DEV_LPC] = 128,
+ [ASPEED_DEV_IBT] = 128,
+ [ASPEED_DEV_I2C] = 130,
+ [ASPEED_DEV_PECI] = 133,
+ [ASPEED_DEV_ETH1] = 132,
+ [ASPEED_DEV_ETH2] = 132,
+ [ASPEED_DEV_ETH3] = 132,
+ [ASPEED_DEV_HACE] = 4,
+ [ASPEED_DEV_KCS] = 128,
+ [ASPEED_DEV_DP] = 28,
+ [ASPEED_DEV_I3C] = 131,
+};
+
+/* GICINT 128 */
+static const int aspeed_soc_ast2700_gic128_intcmap[] = {
+ [ASPEED_DEV_LPC] = 0,
+ [ASPEED_DEV_IBT] = 2,
+ [ASPEED_DEV_KCS] = 4,
+};
+
+/* GICINT 130 */
+static const int aspeed_soc_ast2700_gic130_intcmap[] = {
+ [ASPEED_DEV_I2C] = 0,
+ [ASPEED_DEV_ADC] = 16,
+ [ASPEED_DEV_GPIO_1_8V] = 18,
+};
+
+/* GICINT 131 */
+static const int aspeed_soc_ast2700_gic131_intcmap[] = {
+ [ASPEED_DEV_I3C] = 0,
+ [ASPEED_DEV_WDT] = 16,
+ [ASPEED_DEV_FMC] = 25,
+ [ASPEED_DEV_PWM] = 29,
+};
+
+/* GICINT 132 */
+static const int aspeed_soc_ast2700_gic132_intcmap[] = {
+ [ASPEED_DEV_ETH1] = 0,
+ [ASPEED_DEV_ETH2] = 1,
+ [ASPEED_DEV_ETH3] = 2,
+ [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,
+};
+
+/* GICINT 133 */
+static const int aspeed_soc_ast2700_gic133_intcmap[] = {
+ [ASPEED_DEV_PECI] = 4,
+};
+
+/* GICINT 128 ~ 136 */
+struct gic_intc_irq_info {
+ int irq;
+ const int *ptr;
+};
+
+static const struct gic_intc_irq_info aspeed_soc_ast2700_gic_intcmap[] = {
+ {128, aspeed_soc_ast2700_gic128_intcmap},
+ {129, NULL},
+ {130, aspeed_soc_ast2700_gic130_intcmap},
+ {131, aspeed_soc_ast2700_gic131_intcmap},
+ {132, aspeed_soc_ast2700_gic132_intcmap},
+ {133, aspeed_soc_ast2700_gic133_intcmap},
+ {134, NULL},
+ {135, NULL},
+ {136, NULL},
+};
+
+static qemu_irq aspeed_soc_ast2700_get_irq(AspeedSoCState *s, int
+dev) {
+ Aspeed27x0SoCState *a = ASPEED27X0_SOC(s);
+ AspeedSoCClass *sc = ASPEED_SOC_GET_CLASS(s);
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(aspeed_soc_ast2700_gic_intcmap); i++) {
+ if (sc->irqmap[dev] == aspeed_soc_ast2700_gic_intcmap[i].irq) {
+ assert(aspeed_soc_ast2700_gic_intcmap[i].ptr);
+ return qdev_get_gpio_in(DEVICE(&a->intc.gicint_orgate[i]),
+ aspeed_soc_ast2700_gic_intcmap[i].ptr[dev]);
+ }
+ }
+
+ return qdev_get_gpio_in(a->intc.gic, sc->irqmap[dev]); }
+
+static void aspeed_soc_ast2700_init(Object *obj) {
+ Aspeed27x0SoCState *a = ASPEED27X0_SOC(obj);
+ AspeedSoCState *s = ASPEED_SOC(obj);
+ AspeedSoCClass *sc = ASPEED_SOC_GET_CLASS(s);
+ int i;
+ char socname[8];
+ char typename[64];
+
+ if (sscanf(sc->name, "%7s", socname) != 1) {
+ g_assert_not_reached();
+ }
+
+ for (i = 0; i < sc->num_cpus; i++) {
+ object_initialize_child(obj, "cpu[*]", &a->cpu[i],
+ aspeed_soc_cpu_type(sc));
+ }
+
+ object_initialize_child(obj, "scu", &s->scu, TYPE_ASPEED_2700_SCU);
+ qdev_prop_set_uint32(DEVICE(&s->scu), "silicon-rev",
+ sc->silicon_rev);
+ object_property_add_alias(obj, "hw-strap1", OBJECT(&s->scu),
+ "hw-strap1");
+ object_property_add_alias(obj, "hw-strap2", OBJECT(&s->scu),
+ "hw-strap2");
+ object_property_add_alias(obj, "hw-prot-key", OBJECT(&s->scu),
+ "hw-prot-key");
+
+ object_initialize_child(obj, "scuio", &s->scuio,
TYPE_ASPEED_2700_SCUIO);
+ qdev_prop_set_uint32(DEVICE(&s->scuio), "silicon-rev",
+ sc->silicon_rev);
+
+ snprintf(typename, sizeof(typename), "aspeed.fmc-%s", socname);
+ object_initialize_child(obj, "fmc", &s->fmc, typename);
+
+ for (i = 0; i < sc->spis_num; i++) {
+ snprintf(typename, sizeof(typename), "aspeed.spi%d-%s", i,
socname);
+ object_initialize_child(obj, "spi[*]", &s->spi[i], typename);
+ }
+
+ snprintf(typename, sizeof(typename), "aspeed.sdmc-%s", socname);
+ object_initialize_child(obj, "sdmc", &s->sdmc, typename);
+ object_property_add_alias(obj, "ram-size", OBJECT(&s->sdmc),
+ "ram-size");
+
+ for (i = 0; i < sc->wdts_num; i++) {
+ snprintf(typename, sizeof(typename), "aspeed.wdt-%s",
socname);
+ object_initialize_child(obj, "wdt[*]", &s->wdt[i], typename);
+ }
+
+ for (i = 0; i < sc->macs_num; i++) {
+ object_initialize_child(obj, "ftgmac100[*]", &s->ftgmac100[i],
+ TYPE_FTGMAC100);
+
+ object_initialize_child(obj, "mii[*]", &s->mii[i],
TYPE_ASPEED_MII);
+ }
+
+ for (i = 0; i < sc->uarts_num; i++) {
+ object_initialize_child(obj, "uart[*]", &s->uart[i],
TYPE_SERIAL_MM);
+ }
+
+ object_initialize_child(obj, "sli", &s->sli, TYPE_ASPEED_2700_SLI);
+ object_initialize_child(obj, "sliio", &s->sliio,
TYPE_ASPEED_2700_SLIIO);
+ object_initialize_child(obj, "intc", &a->intc, TYPE_ASPEED_INTC);
+}
+
+/*
+ * ASPEED ast2700 has 0x0 as cluster ID
+ *
+ *
+https://developer.arm.com/documentation/100236/0100/register-descript
+ions/aarch64-system-registers/multiprocessor-affinity-register--el1
+ */
+static uint64_t aspeed_calc_affinity(int cpu) {
+ return (0x0 << ARM_AFF1_SHIFT) | cpu; }
+
+static void aspeed_soc_ast2700_gic(DeviceState *dev, Error **errp) {
+ Aspeed27x0SoCState *a = ASPEED27X0_SOC(dev);
+ AspeedSoCState *s = ASPEED_SOC(dev);
+ AspeedSoCClass *sc = ASPEED_SOC_GET_CLASS(s);
+ SysBusDevice *gicbusdev;
+ QList *redist_region_count;
+ int i;
+
+ a->intc.gic = qdev_new(gicv3_class_name());
+ qdev_prop_set_uint32(a->intc.gic, "revision", 3);
+ qdev_prop_set_uint32(a->intc.gic, "num-cpu", sc->num_cpus);
+ qdev_prop_set_uint32(a->intc.gic, "num-irq", AST2700_MAX_IRQ);
+
+ redist_region_count = qlist_new();
+ qlist_append_int(redist_region_count, sc->num_cpus);
+ qdev_prop_set_array(a->intc.gic, "redist-region-count",
+ redist_region_count);
+
+ gicbusdev = SYS_BUS_DEVICE(a->intc.gic);
+ sysbus_realize_and_unref(gicbusdev, errp);
+ sysbus_mmio_map(gicbusdev, 0, sc->memmap[ASPEED_GIC_DIST]);
+ sysbus_mmio_map(gicbusdev, 1, sc->memmap[ASPEED_GIC_REDIST]);
+
+ for (i = 0; i < sc->num_cpus; i++) {
+ DeviceState *cpudev = DEVICE(qemu_get_cpu(i));
+ int NUM_IRQS = 256, ARCH_GIC_MAINT_IRQ = 9,
VIRTUAL_PMU_IRQ = 7;
+ int ppibase = NUM_IRQS + i * GIC_INTERNAL + GIC_NR_SGIS;
+
+ const int timer_irq[] = {
+ [GTIMER_PHYS] = 14,
+ [GTIMER_VIRT] = 11,
+ [GTIMER_HYP] = 10,
+ [GTIMER_SEC] = 13,
+ };
+ int j;
+
+ for (j = 0; j < ARRAY_SIZE(timer_irq); j++) {
+ qdev_connect_gpio_out(cpudev, j,
+ qdev_get_gpio_in(a->intc.gic, ppibase +
timer_irq[j]));
+ }
+
+ qemu_irq irq = qdev_get_gpio_in(a->intc.gic,
+ ppibase +
ARCH_GIC_MAINT_IRQ);
+ qdev_connect_gpio_out_named(cpudev,
"gicv3-maintenance-interrupt",
+ 0, irq);
+ qdev_connect_gpio_out_named(cpudev, "pmu-interrupt", 0,
+ qdev_get_gpio_in(a->intc.gic, ppibase +
+ VIRTUAL_PMU_IRQ));
+
+ sysbus_connect_irq(gicbusdev, i, qdev_get_gpio_in(cpudev,
ARM_CPU_IRQ));
+ sysbus_connect_irq(gicbusdev, i + sc->num_cpus,
+ qdev_get_gpio_in(cpudev,
ARM_CPU_FIQ));
+ sysbus_connect_irq(gicbusdev, i + 2 * sc->num_cpus,
+ qdev_get_gpio_in(cpudev,
ARM_CPU_VIRQ));
+ sysbus_connect_irq(gicbusdev, i + 3 * sc->num_cpus,
+ qdev_get_gpio_in(cpudev,
ARM_CPU_VFIQ));
+ }
+}
+
+static void aspeed_soc_ast2700_realize(DeviceState *dev, Error
+**errp) {
+ int i;
+ Aspeed27x0SoCState *a = ASPEED27X0_SOC(dev);
+ AspeedSoCState *s = ASPEED_SOC(dev);
+ AspeedSoCClass *sc = ASPEED_SOC_GET_CLASS(s);
+ g_autofree char *sram_name = NULL;
+
+ /* Default boot region (SPI memory or ROMs) */
+ memory_region_init(&s->spi_boot_container, OBJECT(s),
+ "aspeed.spi_boot_container", 0x400000000);
+ memory_region_add_subregion(s->memory,
sc->memmap[ASPEED_DEV_SPI_BOOT],
+ &s->spi_boot_container);
+
+ /* CPU */
+ for (i = 0; i < sc->num_cpus; i++) {
+ object_property_set_int(OBJECT(&a->cpu[i]), "mp-affinity",
+ aspeed_calc_affinity(i),
+ &error_abort);
+
+ object_property_set_int(OBJECT(&a->cpu[i]), "cntfrq",
1125000000,
+ &error_abort);
+ object_property_set_link(OBJECT(&a->cpu[i]), "memory",
+ OBJECT(s->memory),
&error_abort);
+
+ if (!qdev_realize(DEVICE(&a->cpu[i]), NULL, errp)) {
+ return;
+ }
+ }
+
+ /* GIC */
+ aspeed_soc_ast2700_gic(dev, errp);
Hmm, we should return.
