| 1 | /* |
| 2 | * Copyright (c) 2013 Jean-Christophe Dubois <jcd@tribudubois.net> |
| 3 | * |
| 4 | * PDK Board System emulation. |
| 5 | * |
| 6 | * Based on hw/arm/kzm.c |
| 7 | * |
| 8 | * Copyright (c) 2008 OKL and 2011 NICTA |
| 9 | * Written by Hans at OK-Labs |
| 10 | * Updated by Peter Chubb. |
| 11 | * |
| 12 | * This program is free software; you can redistribute it and/or modify it |
| 13 | * under the terms of the GNU General Public License as published by the |
| 14 | * Free Software Foundation; either version 2 of the License, or |
| 15 | * (at your option) any later version. |
| 16 | * |
| 17 | * This program is distributed in the hope that it will be useful, but WITHOUT |
| 18 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| 19 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| 20 | * for more details. |
| 21 | * |
| 22 | * You should have received a copy of the GNU General Public License along |
| 23 | * with this program; if not, see <http://www.gnu.org/licenses/>. |
| 24 | */ |
| 25 | |
| 26 | #include "qemu/osdep.h" |
| 27 | #include "qapi/error.h" |
| 28 | #include "hw/core/qdev-properties.h" |
| 29 | #include "hw/arm/fsl-imx25.h" |
| 30 | #include "hw/arm/boot.h" |
| 31 | #include "hw/arm/machines-qom.h" |
| 32 | #include "hw/core/boards.h" |
| 33 | #include "qemu/error-report.h" |
| 34 | #include "system/qtest.h" |
| 35 | #include "hw/i2c/i2c.h" |
| 36 | #include "qemu/cutils.h" |
| 37 | |
| 38 | /* Memory map for PDK Emulation Baseboard: |
| 39 | * 0x00000000-0x7fffffff See i.MX25 SOC fr support |
| 40 | * 0x80000000-0x87ffffff RAM + Alias EMULATED |
| 41 | * 0x90000000-0x9fffffff RAM + Alias EMULATED |
| 42 | * 0xa0000000-0xa7ffffff Flash IGNORED |
| 43 | * 0xa8000000-0xafffffff Flash IGNORED |
| 44 | * 0xb0000000-0xb1ffffff SRAM IGNORED |
| 45 | * 0xb2000000-0xb3ffffff SRAM IGNORED |
| 46 | * 0xb4000000-0xb5ffffff CS4 IGNORED |
| 47 | * 0xb6000000-0xb8000fff Reserved IGNORED |
| 48 | * 0xb8001000-0xb8001fff SDRAM CTRL reg IGNORED |
| 49 | * 0xb8002000-0xb8002fff WEIM CTRL reg IGNORED |
| 50 | * 0xb8003000-0xb8003fff M3IF CTRL reg IGNORED |
| 51 | * 0xb8004000-0xb8004fff EMI CTRL reg IGNORED |
| 52 | * 0xb8005000-0xbaffffff Reserved IGNORED |
| 53 | * 0xbb000000-0xbb000fff NAND flash area buf IGNORED |
| 54 | * 0xbb001000-0xbb0011ff NAND flash reserved IGNORED |
| 55 | * 0xbb001200-0xbb001dff Reserved IGNORED |
| 56 | * 0xbb001e00-0xbb001fff NAN flash CTRL reg IGNORED |
| 57 | * 0xbb012000-0xbfffffff Reserved IGNORED |
| 58 | * 0xc0000000-0xffffffff Reserved IGNORED |
| 59 | */ |
| 60 | |
| 61 | typedef struct IMX25PDK { |
| 62 | FslIMX25State soc; |
| 63 | MemoryRegion ram_alias; |
| 64 | struct arm_boot_info bootinfo; |
| 65 | } IMX25PDK; |
| 66 | |
| 67 | static void imx25_pdk_init(MachineState *machine) |
| 68 | { |
| 69 | IMX25PDK *s = g_new0(IMX25PDK, 1); |
| 70 | unsigned int ram_size; |
| 71 | unsigned int alias_offset; |
| 72 | int i; |
| 73 | |
| 74 | object_initialize_child(OBJECT(machine), "soc", &s->soc, TYPE_FSL_IMX25); |
| 75 | |
| 76 | qdev_realize(DEVICE(&s->soc), NULL, &error_fatal); |
| 77 | |
| 78 | /* We need to initialize our memory */ |
| 79 | if (machine->ram_size > (FSL_IMX25_SDRAM0_SIZE + FSL_IMX25_SDRAM1_SIZE)) { |
| 80 | char *sz = size_to_str(FSL_IMX25_SDRAM0_SIZE + FSL_IMX25_SDRAM1_SIZE); |
| 81 | error_report("RAM size more than %s is not supported", sz); |
| 82 | g_free(sz); |
| 83 | exit(EXIT_FAILURE); |
| 84 | } |
| 85 | |
| 86 | memory_region_add_subregion(get_system_memory(), FSL_IMX25_SDRAM0_ADDR, |
| 87 | machine->ram); |
| 88 | |
| 89 | /* initialize the alias memory if any */ |
| 90 | for (i = 0, ram_size = machine->ram_size, alias_offset = 0; |
| 91 | (i < 2) && ram_size; i++) { |
| 92 | unsigned int size; |
| 93 | static const struct { |
| 94 | hwaddr addr; |
| 95 | unsigned int size; |
| 96 | } ram[2] = { |
| 97 | { FSL_IMX25_SDRAM0_ADDR, FSL_IMX25_SDRAM0_SIZE }, |
| 98 | { FSL_IMX25_SDRAM1_ADDR, FSL_IMX25_SDRAM1_SIZE }, |
| 99 | }; |
| 100 | |
| 101 | size = MIN(ram_size, ram[i].size); |
| 102 | |
| 103 | ram_size -= size; |
| 104 | |
| 105 | if (size < ram[i].size) { |
| 106 | memory_region_init_alias(&s->ram_alias, NULL, "ram.alias", |
| 107 | machine->ram, |
| 108 | alias_offset, ram[i].size - size); |
| 109 | memory_region_add_subregion(get_system_memory(), |
| 110 | ram[i].addr + size, &s->ram_alias); |
| 111 | } |
| 112 | |
| 113 | alias_offset += ram[i].size; |
| 114 | } |
| 115 | |
| 116 | s->bootinfo.ram_size = machine->ram_size; |
| 117 | s->bootinfo.loader_start = FSL_IMX25_SDRAM0_ADDR; |
| 118 | s->bootinfo.board_id = 1771; |
| 119 | |
| 120 | for (i = 0; i < FSL_IMX25_NUM_ESDHCS; i++) { |
| 121 | BusState *bus; |
| 122 | DeviceState *carddev; |
| 123 | DriveInfo *di; |
| 124 | BlockBackend *blk; |
| 125 | |
| 126 | di = drive_get(IF_SD, 0, i); |
| 127 | blk = di ? blk_by_legacy_dinfo(di) : NULL; |
| 128 | bus = qdev_get_child_bus(DEVICE(&s->soc.esdhc[i]), "sd-bus"); |
| 129 | carddev = qdev_new(TYPE_SD_CARD); |
| 130 | qdev_prop_set_drive_err(carddev, "drive", blk, &error_fatal); |
| 131 | qdev_realize_and_unref(carddev, bus, &error_fatal); |
| 132 | } |
| 133 | |
| 134 | /* |
| 135 | * We test explicitly for qtest here as it is not done (yet?) in |
| 136 | * arm_load_kernel(). Without this the "make check" command would |
| 137 | * fail. |
| 138 | */ |
| 139 | if (!qtest_enabled()) { |
| 140 | arm_load_kernel(&s->soc.cpu, machine, &s->bootinfo); |
| 141 | } |
| 142 | } |
| 143 | |
| 144 | static void imx25_pdk_machine_init(MachineClass *mc) |
| 145 | { |
| 146 | mc->desc = "ARM i.MX25 PDK board (ARM926)"; |
| 147 | mc->init = imx25_pdk_init; |
| 148 | mc->ignore_memory_transaction_failures = true; |
| 149 | mc->default_ram_id = "imx25.ram"; |
| 150 | mc->auto_create_sdcard = true; |
| 151 | } |
| 152 | |
| 153 | DEFINE_MACHINE_ARM("imx25-pdk", imx25_pdk_machine_init) |