/* * Allwinner A10 SoC emulation * * Copyright (C) 2013 Li Guang * Written by Li Guang * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the * Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * for more details. */ #include "qemu/osdep.h" #include "qapi/error.h" #include "qemu/module.h" #include "hw/char/serial-mm.h" #include "hw/sysbus.h" #include "hw/arm/allwinner-a10.h" #include "hw/misc/unimp.h" #include "sysemu/sysemu.h" #include "hw/boards.h" #include "hw/usb/hcd-ohci.h" #include "hw/loader.h" #include "target/arm/cpu-qom.h" #define AW_A10_SRAM_A_BASE 0x00000000 #define AW_A10_DRAMC_BASE 0x01c01000 #define AW_A10_MMC0_BASE 0x01c0f000 #define AW_A10_CCM_BASE 0x01c20000 #define AW_A10_PIC_REG_BASE 0x01c20400 #define AW_A10_PIT_REG_BASE 0x01c20c00 #define AW_A10_UART0_REG_BASE 0x01c28000 #define AW_A10_EMAC_BASE 0x01c0b000 #define AW_A10_EHCI_BASE 0x01c14000 #define AW_A10_OHCI_BASE 0x01c14400 #define AW_A10_SATA_BASE 0x01c18000 #define AW_A10_WDT_BASE 0x01c20c90 #define AW_A10_RTC_BASE 0x01c20d00 #define AW_A10_I2C0_BASE 0x01c2ac00 void allwinner_a10_bootrom_setup(AwA10State *s, BlockBackend *blk) { const int64_t rom_size = 32 * KiB; g_autofree uint8_t *buffer = g_new0(uint8_t, rom_size); if (blk_pread(blk, 8 * KiB, rom_size, buffer, 0) < 0) { error_setg(&error_fatal, "%s: failed to read BlockBackend data", __func__); return; } rom_add_blob("allwinner-a10.bootrom", buffer, rom_size, rom_size, AW_A10_SRAM_A_BASE, NULL, NULL, NULL, NULL, false); } static void aw_a10_init(Object *obj) { AwA10State *s = AW_A10(obj); object_initialize_child(obj, "cpu", &s->cpu, ARM_CPU_TYPE_NAME("cortex-a8")); object_initialize_child(obj, "intc", &s->intc, TYPE_AW_A10_PIC); object_initialize_child(obj, "timer", &s->timer, TYPE_AW_A10_PIT); object_initialize_child(obj, "ccm", &s->ccm, TYPE_AW_A10_CCM); object_initialize_child(obj, "dramc", &s->dramc, TYPE_AW_A10_DRAMC); object_initialize_child(obj, "emac", &s->emac, TYPE_AW_EMAC); object_initialize_child(obj, "sata", &s->sata, TYPE_ALLWINNER_AHCI); object_initialize_child(obj, "i2c0", &s->i2c0, TYPE_AW_I2C); for (size_t i = 0; i < AW_A10_NUM_USB; i++) { object_initialize_child(obj, "ehci[*]", &s->ehci[i], TYPE_PLATFORM_EHCI); object_initialize_child(obj, "ohci[*]", &s->ohci[i], TYPE_SYSBUS_OHCI); } object_initialize_child(obj, "mmc0", &s->mmc0, TYPE_AW_SDHOST_SUN4I); object_initialize_child(obj, "rtc", &s->rtc, TYPE_AW_RTC_SUN4I); object_initialize_child(obj, "wdt", &s->wdt, TYPE_AW_WDT_SUN4I); } static void aw_a10_realize(DeviceState *dev, Error **errp) { AwA10State *s = AW_A10(dev); SysBusDevice *sysbusdev; if (!qdev_realize(DEVICE(&s->cpu), NULL, errp)) { return; } if (!sysbus_realize(SYS_BUS_DEVICE(&s->intc), errp)) { return; } sysbusdev = SYS_BUS_DEVICE(&s->intc); sysbus_mmio_map(sysbusdev, 0, AW_A10_PIC_REG_BASE); sysbus_connect_irq(sysbusdev, 0, qdev_get_gpio_in(DEVICE(&s->cpu), ARM_CPU_IRQ)); sysbus_connect_irq(sysbusdev, 1, qdev_get_gpio_in(DEVICE(&s->cpu), ARM_CPU_FIQ)); qdev_pass_gpios(DEVICE(&s->intc), dev, NULL); if (!sysbus_realize(SYS_BUS_DEVICE(&s->timer), errp)) { return; } sysbusdev = SYS_BUS_DEVICE(&s->timer); sysbus_mmio_map(sysbusdev, 0, AW_A10_PIT_REG_BASE); sysbus_connect_irq(sysbusdev, 0, qdev_get_gpio_in(dev, 22)); sysbus_connect_irq(sysbusdev, 1, qdev_get_gpio_in(dev, 23)); sysbus_connect_irq(sysbusdev, 2, qdev_get_gpio_in(dev, 24)); sysbus_connect_irq(sysbusdev, 3, qdev_get_gpio_in(dev, 25)); sysbus_connect_irq(sysbusdev, 4, qdev_get_gpio_in(dev, 67)); sysbus_connect_irq(sysbusdev, 5, qdev_get_gpio_in(dev, 68)); memory_region_init_ram(&s->sram_a, OBJECT(dev), "sram A", 48 * KiB, &error_fatal); memory_region_add_subregion(get_system_memory(), 0x00000000, &s->sram_a); create_unimplemented_device("a10-sram-ctrl", 0x01c00000, 4 * KiB); /* Clock Control Module */ sysbus_realize(SYS_BUS_DEVICE(&s->ccm), &error_fatal); sysbus_mmio_map(SYS_BUS_DEVICE(&s->ccm), 0, AW_A10_CCM_BASE); /* DRAM Control Module */ sysbus_realize(SYS_BUS_DEVICE(&s->dramc), &error_fatal); sysbus_mmio_map(SYS_BUS_DEVICE(&s->dramc), 0, AW_A10_DRAMC_BASE); qemu_configure_nic_device(DEVICE(&s->emac), true, NULL); if (!sysbus_realize(SYS_BUS_DEVICE(&s->emac), errp)) { return; } sysbusdev = SYS_BUS_DEVICE(&s->emac); sysbus_mmio_map(sysbusdev, 0, AW_A10_EMAC_BASE); sysbus_connect_irq(sysbusdev, 0, qdev_get_gpio_in(dev, 55)); if (!sysbus_realize(SYS_BUS_DEVICE(&s->sata), errp)) { return; } sysbus_mmio_map(SYS_BUS_DEVICE(&s->sata), 0, AW_A10_SATA_BASE); sysbus_connect_irq(SYS_BUS_DEVICE(&s->sata), 0, qdev_get_gpio_in(dev, 56)); /* FIXME use a qdev chardev prop instead of serial_hd() */ serial_mm_init(get_system_memory(), AW_A10_UART0_REG_BASE, 2, qdev_get_gpio_in(dev, 1), 115200, serial_hd(0), DEVICE_NATIVE_ENDIAN); for (size_t i = 0; i < AW_A10_NUM_USB; i++) { g_autofree char *bus = g_strdup_printf("usb-bus.%zu", i); object_property_set_bool(OBJECT(&s->ehci[i]), "companion-enable", true, &error_fatal); sysbus_realize(SYS_BUS_DEVICE(&s->ehci[i]), &error_fatal); sysbus_mmio_map(SYS_BUS_DEVICE(&s->ehci[i]), 0, AW_A10_EHCI_BASE + i * 0x8000); sysbus_connect_irq(SYS_BUS_DEVICE(&s->ehci[i]), 0, qdev_get_gpio_in(dev, 39 + i)); object_property_set_str(OBJECT(&s->ohci[i]), "masterbus", bus, &error_fatal); sysbus_realize(SYS_BUS_DEVICE(&s->ohci[i]), &error_fatal); sysbus_mmio_map(SYS_BUS_DEVICE(&s->ohci[i]), 0, AW_A10_OHCI_BASE + i * 0x8000); sysbus_connect_irq(SYS_BUS_DEVICE(&s->ohci[i]), 0, qdev_get_gpio_in(dev, 64 + i)); } /* SD/MMC */ object_property_set_link(OBJECT(&s->mmc0), "dma-memory", OBJECT(get_system_memory()), &error_fatal); sysbus_realize(SYS_BUS_DEVICE(&s->mmc0), &error_fatal); sysbus_mmio_map(SYS_BUS_DEVICE(&s->mmc0), 0, AW_A10_MMC0_BASE); sysbus_connect_irq(SYS_BUS_DEVICE(&s->mmc0), 0, qdev_get_gpio_in(dev, 32)); object_property_add_alias(OBJECT(s), "sd-bus", OBJECT(&s->mmc0), "sd-bus"); /* RTC */ sysbus_realize(SYS_BUS_DEVICE(&s->rtc), &error_fatal); sysbus_mmio_map_overlap(SYS_BUS_DEVICE(&s->rtc), 0, AW_A10_RTC_BASE, 10); /* I2C */ sysbus_realize(SYS_BUS_DEVICE(&s->i2c0), &error_fatal); sysbus_mmio_map(SYS_BUS_DEVICE(&s->i2c0), 0, AW_A10_I2C0_BASE); sysbus_connect_irq(SYS_BUS_DEVICE(&s->i2c0), 0, qdev_get_gpio_in(dev, 7)); /* WDT */ sysbus_realize(SYS_BUS_DEVICE(&s->wdt), &error_fatal); sysbus_mmio_map_overlap(SYS_BUS_DEVICE(&s->wdt), 0, AW_A10_WDT_BASE, 1); } static void aw_a10_class_init(ObjectClass *oc, void *data) { DeviceClass *dc = DEVICE_CLASS(oc); dc->realize = aw_a10_realize; /* Reason: Uses serial_hds and nd_table in realize function */ dc->user_creatable = false; } static const TypeInfo aw_a10_type_info = { .name = TYPE_AW_A10, .parent = TYPE_DEVICE, .instance_size = sizeof(AwA10State), .instance_init = aw_a10_init, .class_init = aw_a10_class_init, }; static void aw_a10_register_types(void) { type_register_static(&aw_a10_type_info); } type_init(aw_a10_register_types)