1 /* 2 * Orange Pi emulation 3 * 4 * Copyright (C) 2019 Niek Linnenbank <nieklinnenbank@gmail.com> 5 * 6 * This program is free software: you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License as published by 8 * the Free Software Foundation, either version 2 of the License, or 9 * (at your option) any later version. 10 * 11 * This program is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 * GNU General Public License for more details. 15 * 16 * You should have received a copy of the GNU General Public License 17 * along with this program. If not, see <http://www.gnu.org/licenses/>. 18 */ 19 20 #include "qemu/osdep.h" 21 #include "qemu/units.h" 22 #include "exec/address-spaces.h" 23 #include "qapi/error.h" 24 #include "qemu/error-report.h" 25 #include "hw/boards.h" 26 #include "hw/qdev-properties.h" 27 #include "hw/arm/allwinner-h3.h" 28 29 static struct arm_boot_info orangepi_binfo; 30 31 static void orangepi_init(MachineState *machine) 32 { 33 AwH3State *h3; 34 DriveInfo *di; 35 BlockBackend *blk; 36 BusState *bus; 37 DeviceState *carddev; 38 39 /* BIOS is not supported by this board */ 40 if (machine->firmware) { 41 error_report("BIOS not supported for this machine"); 42 exit(1); 43 } 44 45 /* This board has fixed size RAM */ 46 if (machine->ram_size != 1 * GiB) { 47 error_report("This machine can only be used with 1GiB of RAM"); 48 exit(1); 49 } 50 51 /* Only allow Cortex-A7 for this board */ 52 if (strcmp(machine->cpu_type, ARM_CPU_TYPE_NAME("cortex-a7")) != 0) { 53 error_report("This board can only be used with cortex-a7 CPU"); 54 exit(1); 55 } 56 57 h3 = AW_H3(object_new(TYPE_AW_H3)); 58 object_property_add_child(OBJECT(machine), "soc", OBJECT(h3)); 59 object_unref(OBJECT(h3)); 60 61 /* Setup timer properties */ 62 object_property_set_int(OBJECT(h3), "clk0-freq", 32768, &error_abort); 63 object_property_set_int(OBJECT(h3), "clk1-freq", 24 * 1000 * 1000, 64 &error_abort); 65 66 /* Setup SID properties. Currently using a default fixed SID identifier. */ 67 if (qemu_uuid_is_null(&h3->sid.identifier)) { 68 qdev_prop_set_string(DEVICE(h3), "identifier", 69 "02c00081-1111-2222-3333-000044556677"); 70 } else if (ldl_be_p(&h3->sid.identifier.data[0]) != 0x02c00081) { 71 warn_report("Security Identifier value does not include H3 prefix"); 72 } 73 74 /* Setup EMAC properties */ 75 object_property_set_int(OBJECT(&h3->emac), "phy-addr", 1, &error_abort); 76 77 /* DRAMC */ 78 object_property_set_uint(OBJECT(h3), "ram-addr", h3->memmap[AW_H3_DEV_SDRAM], 79 &error_abort); 80 object_property_set_int(OBJECT(h3), "ram-size", machine->ram_size / MiB, 81 &error_abort); 82 83 /* Mark H3 object realized */ 84 qdev_realize(DEVICE(h3), NULL, &error_abort); 85 86 /* Retrieve SD bus */ 87 di = drive_get(IF_SD, 0, 0); 88 blk = di ? blk_by_legacy_dinfo(di) : NULL; 89 bus = qdev_get_child_bus(DEVICE(h3), "sd-bus"); 90 91 /* Plug in SD card */ 92 carddev = qdev_new(TYPE_SD_CARD); 93 qdev_prop_set_drive_err(carddev, "drive", blk, &error_fatal); 94 qdev_realize_and_unref(carddev, bus, &error_fatal); 95 96 /* SDRAM */ 97 memory_region_add_subregion(get_system_memory(), h3->memmap[AW_H3_DEV_SDRAM], 98 machine->ram); 99 100 /* Load target kernel or start using BootROM */ 101 if (!machine->kernel_filename && blk && blk_is_available(blk)) { 102 /* Use Boot ROM to copy data from SD card to SRAM */ 103 allwinner_h3_bootrom_setup(h3, blk); 104 } 105 orangepi_binfo.loader_start = h3->memmap[AW_H3_DEV_SDRAM]; 106 orangepi_binfo.ram_size = machine->ram_size; 107 orangepi_binfo.psci_conduit = QEMU_PSCI_CONDUIT_SMC; 108 arm_load_kernel(ARM_CPU(first_cpu), machine, &orangepi_binfo); 109 } 110 111 static void orangepi_machine_init(MachineClass *mc) 112 { 113 mc->desc = "Orange Pi PC (Cortex-A7)"; 114 mc->init = orangepi_init; 115 mc->block_default_type = IF_SD; 116 mc->units_per_default_bus = 1; 117 mc->min_cpus = AW_H3_NUM_CPUS; 118 mc->max_cpus = AW_H3_NUM_CPUS; 119 mc->default_cpus = AW_H3_NUM_CPUS; 120 mc->default_cpu_type = ARM_CPU_TYPE_NAME("cortex-a7"); 121 mc->default_ram_size = 1 * GiB; 122 mc->default_ram_id = "orangepi.ram"; 123 } 124 125 DEFINE_MACHINE("orangepi-pc", orangepi_machine_init) 126