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/qdev-properties.h" 29 #include "hw/arm/fsl-imx25.h" 30 #include "hw/boards.h" 31 #include "qemu/error-report.h" 32 #include "sysemu/qtest.h" 33 #include "hw/i2c/i2c.h" 34 #include "qemu/cutils.h" 35 36 /* Memory map for PDK Emulation Baseboard: 37 * 0x00000000-0x7fffffff See i.MX25 SOC fr support 38 * 0x80000000-0x87ffffff RAM + Alias EMULATED 39 * 0x90000000-0x9fffffff RAM + Alias EMULATED 40 * 0xa0000000-0xa7ffffff Flash IGNORED 41 * 0xa8000000-0xafffffff Flash IGNORED 42 * 0xb0000000-0xb1ffffff SRAM IGNORED 43 * 0xb2000000-0xb3ffffff SRAM IGNORED 44 * 0xb4000000-0xb5ffffff CS4 IGNORED 45 * 0xb6000000-0xb8000fff Reserved IGNORED 46 * 0xb8001000-0xb8001fff SDRAM CTRL reg IGNORED 47 * 0xb8002000-0xb8002fff WEIM CTRL reg IGNORED 48 * 0xb8003000-0xb8003fff M3IF CTRL reg IGNORED 49 * 0xb8004000-0xb8004fff EMI CTRL reg IGNORED 50 * 0xb8005000-0xbaffffff Reserved IGNORED 51 * 0xbb000000-0xbb000fff NAND flash area buf IGNORED 52 * 0xbb001000-0xbb0011ff NAND flash reserved IGNORED 53 * 0xbb001200-0xbb001dff Reserved IGNORED 54 * 0xbb001e00-0xbb001fff NAN flash CTRL reg IGNORED 55 * 0xbb012000-0xbfffffff Reserved IGNORED 56 * 0xc0000000-0xffffffff Reserved IGNORED 57 */ 58 59 typedef struct IMX25PDK { 60 FslIMX25State soc; 61 MemoryRegion ram_alias; 62 } IMX25PDK; 63 64 static struct arm_boot_info imx25_pdk_binfo; 65 66 static void imx25_pdk_init(MachineState *machine) 67 { 68 IMX25PDK *s = g_new0(IMX25PDK, 1); 69 unsigned int ram_size; 70 unsigned int alias_offset; 71 int i; 72 73 object_initialize_child(OBJECT(machine), "soc", &s->soc, TYPE_FSL_IMX25); 74 75 qdev_realize(DEVICE(&s->soc), NULL, &error_fatal); 76 77 /* We need to initialize our memory */ 78 if (machine->ram_size > (FSL_IMX25_SDRAM0_SIZE + FSL_IMX25_SDRAM1_SIZE)) { 79 char *sz = size_to_str(FSL_IMX25_SDRAM0_SIZE + FSL_IMX25_SDRAM1_SIZE); 80 error_report("RAM size more than %s is not supported", sz); 81 g_free(sz); 82 exit(EXIT_FAILURE); 83 } 84 85 memory_region_add_subregion(get_system_memory(), FSL_IMX25_SDRAM0_ADDR, 86 machine->ram); 87 88 /* initialize the alias memory if any */ 89 for (i = 0, ram_size = machine->ram_size, alias_offset = 0; 90 (i < 2) && ram_size; i++) { 91 unsigned int size; 92 static const struct { 93 hwaddr addr; 94 unsigned int size; 95 } ram[2] = { 96 { FSL_IMX25_SDRAM0_ADDR, FSL_IMX25_SDRAM0_SIZE }, 97 { FSL_IMX25_SDRAM1_ADDR, FSL_IMX25_SDRAM1_SIZE }, 98 }; 99 100 size = MIN(ram_size, ram[i].size); 101 102 ram_size -= size; 103 104 if (size < ram[i].size) { 105 memory_region_init_alias(&s->ram_alias, NULL, "ram.alias", 106 machine->ram, 107 alias_offset, ram[i].size - size); 108 memory_region_add_subregion(get_system_memory(), 109 ram[i].addr + size, &s->ram_alias); 110 } 111 112 alias_offset += ram[i].size; 113 } 114 115 imx25_pdk_binfo.ram_size = machine->ram_size; 116 imx25_pdk_binfo.loader_start = FSL_IMX25_SDRAM0_ADDR; 117 imx25_pdk_binfo.board_id = 1771; 118 119 for (i = 0; i < FSL_IMX25_NUM_ESDHCS; i++) { 120 BusState *bus; 121 DeviceState *carddev; 122 DriveInfo *di; 123 BlockBackend *blk; 124 125 di = drive_get(IF_SD, 0, i); 126 blk = di ? blk_by_legacy_dinfo(di) : NULL; 127 bus = qdev_get_child_bus(DEVICE(&s->soc.esdhc[i]), "sd-bus"); 128 carddev = qdev_new(TYPE_SD_CARD); 129 qdev_prop_set_drive_err(carddev, "drive", blk, &error_fatal); 130 qdev_realize_and_unref(carddev, bus, &error_fatal); 131 } 132 133 /* 134 * We test explicitly for qtest here as it is not done (yet?) in 135 * arm_load_kernel(). Without this the "make check" command would 136 * fail. 137 */ 138 if (!qtest_enabled()) { 139 arm_load_kernel(&s->soc.cpu, machine, &imx25_pdk_binfo); 140 } 141 } 142 143 static void imx25_pdk_machine_init(MachineClass *mc) 144 { 145 mc->desc = "ARM i.MX25 PDK board (ARM926)"; 146 mc->init = imx25_pdk_init; 147 mc->ignore_memory_transaction_failures = true; 148 mc->default_ram_id = "imx25.ram"; 149 } 150 151 DEFINE_MACHINE("imx25-pdk", imx25_pdk_machine_init) 152