/* * 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 "exec/address-spaces.h" #include "qapi/error.h" #include "qemu/module.h" #include "cpu.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" #define AW_A10_MMC0_BASE 0x01c0f000 #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_RTC_BASE 0x01c20d00 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, "emac", &s->emac, TYPE_AW_EMAC); object_initialize_child(obj, "sata", &s->sata, TYPE_ALLWINNER_AHCI); if (machine_usb(current_machine)) { int i; for (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); } static void aw_a10_realize(DeviceState *dev, Error **errp) { AwA10State *s = AW_A10(dev); SysBusDevice *sysbusdev; Error *err = NULL; object_property_set_bool(OBJECT(&s->cpu), true, "realized", &err); if (err != NULL) { error_propagate(errp, err); return; } sysbus_realize(SYS_BUS_DEVICE(&s->intc), &err); if (err != NULL) { error_propagate(errp, err); 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); sysbus_realize(SYS_BUS_DEVICE(&s->timer), &err); if (err != NULL) { error_propagate(errp, err); 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); /* FIXME use qdev NIC properties instead of nd_table[] */ if (nd_table[0].used) { qemu_check_nic_model(&nd_table[0], TYPE_AW_EMAC); qdev_set_nic_properties(DEVICE(&s->emac), &nd_table[0]); } sysbus_realize(SYS_BUS_DEVICE(&s->emac), &err); if (err != NULL) { error_propagate(errp, err); 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)); sysbus_realize(SYS_BUS_DEVICE(&s->sata), &err); if (err) { error_propagate(errp, err); 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); if (machine_usb(current_machine)) { int i; for (i = 0; i < AW_A10_NUM_USB; i++) { char bus[16]; sprintf(bus, "usb-bus.%d", i); object_property_set_bool(OBJECT(&s->ehci[i]), true, "companion-enable", &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]), bus, "masterbus", &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 */ 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); } 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)