allwinner-a10.c (6924B)
1 /* 2 * Allwinner A10 SoC emulation 3 * 4 * Copyright (C) 2013 Li Guang 5 * Written by Li Guang <lig.fnst@cn.fujitsu.com> 6 * 7 * This program is free software; you can redistribute it and/or modify it 8 * under the terms of the GNU General Public License as published by the 9 * Free Software Foundation; either version 2 of the License, or 10 * (at your option) any later version. 11 * 12 * This program is distributed in the hope that it will be useful, but WITHOUT 13 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 14 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 15 * for more details. 16 */ 17 18 #include "qemu/osdep.h" 19 #include "qapi/error.h" 20 #include "qemu/module.h" 21 #include "hw/sysbus.h" 22 #include "hw/arm/allwinner-a10.h" 23 #include "hw/misc/unimp.h" 24 #include "sysemu/sysemu.h" 25 #include "hw/boards.h" 26 #include "hw/usb/hcd-ohci.h" 27 28 #define AW_A10_MMC0_BASE 0x01c0f000 29 #define AW_A10_PIC_REG_BASE 0x01c20400 30 #define AW_A10_PIT_REG_BASE 0x01c20c00 31 #define AW_A10_UART0_REG_BASE 0x01c28000 32 #define AW_A10_EMAC_BASE 0x01c0b000 33 #define AW_A10_EHCI_BASE 0x01c14000 34 #define AW_A10_OHCI_BASE 0x01c14400 35 #define AW_A10_SATA_BASE 0x01c18000 36 #define AW_A10_RTC_BASE 0x01c20d00 37 38 static void aw_a10_init(Object *obj) 39 { 40 AwA10State *s = AW_A10(obj); 41 42 object_initialize_child(obj, "cpu", &s->cpu, 43 ARM_CPU_TYPE_NAME("cortex-a8")); 44 45 object_initialize_child(obj, "intc", &s->intc, TYPE_AW_A10_PIC); 46 47 object_initialize_child(obj, "timer", &s->timer, TYPE_AW_A10_PIT); 48 49 object_initialize_child(obj, "emac", &s->emac, TYPE_AW_EMAC); 50 51 object_initialize_child(obj, "sata", &s->sata, TYPE_ALLWINNER_AHCI); 52 53 if (machine_usb(current_machine)) { 54 int i; 55 56 for (i = 0; i < AW_A10_NUM_USB; i++) { 57 object_initialize_child(obj, "ehci[*]", &s->ehci[i], 58 TYPE_PLATFORM_EHCI); 59 object_initialize_child(obj, "ohci[*]", &s->ohci[i], 60 TYPE_SYSBUS_OHCI); 61 } 62 } 63 64 object_initialize_child(obj, "mmc0", &s->mmc0, TYPE_AW_SDHOST_SUN4I); 65 66 object_initialize_child(obj, "rtc", &s->rtc, TYPE_AW_RTC_SUN4I); 67 } 68 69 static void aw_a10_realize(DeviceState *dev, Error **errp) 70 { 71 AwA10State *s = AW_A10(dev); 72 SysBusDevice *sysbusdev; 73 74 if (!qdev_realize(DEVICE(&s->cpu), NULL, errp)) { 75 return; 76 } 77 78 if (!sysbus_realize(SYS_BUS_DEVICE(&s->intc), errp)) { 79 return; 80 } 81 sysbusdev = SYS_BUS_DEVICE(&s->intc); 82 sysbus_mmio_map(sysbusdev, 0, AW_A10_PIC_REG_BASE); 83 sysbus_connect_irq(sysbusdev, 0, 84 qdev_get_gpio_in(DEVICE(&s->cpu), ARM_CPU_IRQ)); 85 sysbus_connect_irq(sysbusdev, 1, 86 qdev_get_gpio_in(DEVICE(&s->cpu), ARM_CPU_FIQ)); 87 qdev_pass_gpios(DEVICE(&s->intc), dev, NULL); 88 89 if (!sysbus_realize(SYS_BUS_DEVICE(&s->timer), errp)) { 90 return; 91 } 92 sysbusdev = SYS_BUS_DEVICE(&s->timer); 93 sysbus_mmio_map(sysbusdev, 0, AW_A10_PIT_REG_BASE); 94 sysbus_connect_irq(sysbusdev, 0, qdev_get_gpio_in(dev, 22)); 95 sysbus_connect_irq(sysbusdev, 1, qdev_get_gpio_in(dev, 23)); 96 sysbus_connect_irq(sysbusdev, 2, qdev_get_gpio_in(dev, 24)); 97 sysbus_connect_irq(sysbusdev, 3, qdev_get_gpio_in(dev, 25)); 98 sysbus_connect_irq(sysbusdev, 4, qdev_get_gpio_in(dev, 67)); 99 sysbus_connect_irq(sysbusdev, 5, qdev_get_gpio_in(dev, 68)); 100 101 memory_region_init_ram(&s->sram_a, OBJECT(dev), "sram A", 48 * KiB, 102 &error_fatal); 103 memory_region_add_subregion(get_system_memory(), 0x00000000, &s->sram_a); 104 create_unimplemented_device("a10-sram-ctrl", 0x01c00000, 4 * KiB); 105 106 /* FIXME use qdev NIC properties instead of nd_table[] */ 107 if (nd_table[0].used) { 108 qemu_check_nic_model(&nd_table[0], TYPE_AW_EMAC); 109 qdev_set_nic_properties(DEVICE(&s->emac), &nd_table[0]); 110 } 111 if (!sysbus_realize(SYS_BUS_DEVICE(&s->emac), errp)) { 112 return; 113 } 114 sysbusdev = SYS_BUS_DEVICE(&s->emac); 115 sysbus_mmio_map(sysbusdev, 0, AW_A10_EMAC_BASE); 116 sysbus_connect_irq(sysbusdev, 0, qdev_get_gpio_in(dev, 55)); 117 118 if (!sysbus_realize(SYS_BUS_DEVICE(&s->sata), errp)) { 119 return; 120 } 121 sysbus_mmio_map(SYS_BUS_DEVICE(&s->sata), 0, AW_A10_SATA_BASE); 122 sysbus_connect_irq(SYS_BUS_DEVICE(&s->sata), 0, qdev_get_gpio_in(dev, 56)); 123 124 /* FIXME use a qdev chardev prop instead of serial_hd() */ 125 serial_mm_init(get_system_memory(), AW_A10_UART0_REG_BASE, 2, 126 qdev_get_gpio_in(dev, 1), 127 115200, serial_hd(0), DEVICE_NATIVE_ENDIAN); 128 129 if (machine_usb(current_machine)) { 130 int i; 131 132 for (i = 0; i < AW_A10_NUM_USB; i++) { 133 g_autofree char *bus = g_strdup_printf("usb-bus.%d", i); 134 135 object_property_set_bool(OBJECT(&s->ehci[i]), "companion-enable", 136 true, &error_fatal); 137 sysbus_realize(SYS_BUS_DEVICE(&s->ehci[i]), &error_fatal); 138 sysbus_mmio_map(SYS_BUS_DEVICE(&s->ehci[i]), 0, 139 AW_A10_EHCI_BASE + i * 0x8000); 140 sysbus_connect_irq(SYS_BUS_DEVICE(&s->ehci[i]), 0, 141 qdev_get_gpio_in(dev, 39 + i)); 142 143 object_property_set_str(OBJECT(&s->ohci[i]), "masterbus", bus, 144 &error_fatal); 145 sysbus_realize(SYS_BUS_DEVICE(&s->ohci[i]), &error_fatal); 146 sysbus_mmio_map(SYS_BUS_DEVICE(&s->ohci[i]), 0, 147 AW_A10_OHCI_BASE + i * 0x8000); 148 sysbus_connect_irq(SYS_BUS_DEVICE(&s->ohci[i]), 0, 149 qdev_get_gpio_in(dev, 64 + i)); 150 } 151 } 152 153 /* SD/MMC */ 154 object_property_set_link(OBJECT(&s->mmc0), "dma-memory", 155 OBJECT(get_system_memory()), &error_fatal); 156 sysbus_realize(SYS_BUS_DEVICE(&s->mmc0), &error_fatal); 157 sysbus_mmio_map(SYS_BUS_DEVICE(&s->mmc0), 0, AW_A10_MMC0_BASE); 158 sysbus_connect_irq(SYS_BUS_DEVICE(&s->mmc0), 0, qdev_get_gpio_in(dev, 32)); 159 object_property_add_alias(OBJECT(s), "sd-bus", OBJECT(&s->mmc0), 160 "sd-bus"); 161 162 /* RTC */ 163 sysbus_realize(SYS_BUS_DEVICE(&s->rtc), &error_fatal); 164 sysbus_mmio_map_overlap(SYS_BUS_DEVICE(&s->rtc), 0, AW_A10_RTC_BASE, 10); 165 } 166 167 static void aw_a10_class_init(ObjectClass *oc, void *data) 168 { 169 DeviceClass *dc = DEVICE_CLASS(oc); 170 171 dc->realize = aw_a10_realize; 172 /* Reason: Uses serial_hds and nd_table in realize function */ 173 dc->user_creatable = false; 174 } 175 176 static const TypeInfo aw_a10_type_info = { 177 .name = TYPE_AW_A10, 178 .parent = TYPE_DEVICE, 179 .instance_size = sizeof(AwA10State), 180 .instance_init = aw_a10_init, 181 .class_init = aw_a10_class_init, 182 }; 183 184 static void aw_a10_register_types(void) 185 { 186 type_register_static(&aw_a10_type_info); 187 } 188 189 type_init(aw_a10_register_types)