Jean-Christophe Dubois | 65f57c4 | 2015-09-07 10:39:31 +0100 | [diff] [blame] | 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 | |
Peter Maydell | 12b1672 | 2015-12-07 16:23:45 +0000 | [diff] [blame] | 26 | #include "qemu/osdep.h" |
Markus Armbruster | da34e65 | 2016-03-14 09:01:28 +0100 | [diff] [blame] | 27 | #include "qapi/error.h" |
Paolo Bonzini | 4771d75 | 2016-01-19 21:51:44 +0100 | [diff] [blame] | 28 | #include "qemu-common.h" |
| 29 | #include "cpu.h" |
Jean-Christophe Dubois | 65f57c4 | 2015-09-07 10:39:31 +0100 | [diff] [blame] | 30 | #include "hw/arm/fsl-imx25.h" |
| 31 | #include "hw/boards.h" |
| 32 | #include "qemu/error-report.h" |
| 33 | #include "exec/address-spaces.h" |
| 34 | #include "sysemu/qtest.h" |
| 35 | #include "hw/i2c/i2c.h" |
| 36 | |
| 37 | /* Memory map for PDK Emulation Baseboard: |
| 38 | * 0x00000000-0x7fffffff See i.MX25 SOC fr support |
| 39 | * 0x80000000-0x87ffffff RAM + Alias EMULATED |
| 40 | * 0x90000000-0x9fffffff RAM + Alias EMULATED |
| 41 | * 0xa0000000-0xa7ffffff Flash IGNORED |
| 42 | * 0xa8000000-0xafffffff Flash IGNORED |
| 43 | * 0xb0000000-0xb1ffffff SRAM IGNORED |
| 44 | * 0xb2000000-0xb3ffffff SRAM IGNORED |
| 45 | * 0xb4000000-0xb5ffffff CS4 IGNORED |
| 46 | * 0xb6000000-0xb8000fff Reserved IGNORED |
| 47 | * 0xb8001000-0xb8001fff SDRAM CTRL reg IGNORED |
| 48 | * 0xb8002000-0xb8002fff WEIM CTRL reg IGNORED |
| 49 | * 0xb8003000-0xb8003fff M3IF CTRL reg IGNORED |
| 50 | * 0xb8004000-0xb8004fff EMI CTRL reg IGNORED |
| 51 | * 0xb8005000-0xbaffffff Reserved IGNORED |
| 52 | * 0xbb000000-0xbb000fff NAND flash area buf IGNORED |
| 53 | * 0xbb001000-0xbb0011ff NAND flash reserved IGNORED |
| 54 | * 0xbb001200-0xbb001dff Reserved IGNORED |
| 55 | * 0xbb001e00-0xbb001fff NAN flash CTRL reg IGNORED |
| 56 | * 0xbb012000-0xbfffffff Reserved IGNORED |
| 57 | * 0xc0000000-0xffffffff Reserved IGNORED |
| 58 | */ |
| 59 | |
| 60 | typedef struct IMX25PDK { |
| 61 | FslIMX25State soc; |
| 62 | MemoryRegion ram; |
| 63 | MemoryRegion ram_alias; |
| 64 | } IMX25PDK; |
| 65 | |
| 66 | static struct arm_boot_info imx25_pdk_binfo; |
| 67 | |
| 68 | static void imx25_pdk_init(MachineState *machine) |
| 69 | { |
| 70 | IMX25PDK *s = g_new0(IMX25PDK, 1); |
Jean-Christophe Dubois | 65f57c4 | 2015-09-07 10:39:31 +0100 | [diff] [blame] | 71 | unsigned int ram_size; |
| 72 | unsigned int alias_offset; |
| 73 | int i; |
| 74 | |
| 75 | object_initialize(&s->soc, sizeof(s->soc), TYPE_FSL_IMX25); |
| 76 | object_property_add_child(OBJECT(machine), "soc", OBJECT(&s->soc), |
| 77 | &error_abort); |
| 78 | |
Markus Armbruster | 07d04a0 | 2016-01-14 16:02:12 +0100 | [diff] [blame] | 79 | object_property_set_bool(OBJECT(&s->soc), true, "realized", &error_fatal); |
Jean-Christophe Dubois | 65f57c4 | 2015-09-07 10:39:31 +0100 | [diff] [blame] | 80 | |
| 81 | /* We need to initialize our memory */ |
| 82 | if (machine->ram_size > (FSL_IMX25_SDRAM0_SIZE + FSL_IMX25_SDRAM1_SIZE)) { |
Alistair Francis | 3dc6f86 | 2017-07-12 06:57:41 -0700 | [diff] [blame] | 83 | warn_report("RAM size " RAM_ADDR_FMT " above max supported, " |
| 84 | "reduced to %x", machine->ram_size, |
| 85 | FSL_IMX25_SDRAM0_SIZE + FSL_IMX25_SDRAM1_SIZE); |
Jean-Christophe Dubois | 65f57c4 | 2015-09-07 10:39:31 +0100 | [diff] [blame] | 86 | machine->ram_size = FSL_IMX25_SDRAM0_SIZE + FSL_IMX25_SDRAM1_SIZE; |
| 87 | } |
| 88 | |
| 89 | memory_region_allocate_system_memory(&s->ram, NULL, "imx25.ram", |
| 90 | machine->ram_size); |
| 91 | memory_region_add_subregion(get_system_memory(), FSL_IMX25_SDRAM0_ADDR, |
| 92 | &s->ram); |
| 93 | |
| 94 | /* initialize the alias memory if any */ |
| 95 | for (i = 0, ram_size = machine->ram_size, alias_offset = 0; |
| 96 | (i < 2) && ram_size; i++) { |
| 97 | unsigned int size; |
| 98 | static const struct { |
| 99 | hwaddr addr; |
| 100 | unsigned int size; |
| 101 | } ram[2] = { |
| 102 | { FSL_IMX25_SDRAM0_ADDR, FSL_IMX25_SDRAM0_SIZE }, |
| 103 | { FSL_IMX25_SDRAM1_ADDR, FSL_IMX25_SDRAM1_SIZE }, |
| 104 | }; |
| 105 | |
| 106 | size = MIN(ram_size, ram[i].size); |
| 107 | |
| 108 | ram_size -= size; |
| 109 | |
| 110 | if (size < ram[i].size) { |
| 111 | memory_region_init_alias(&s->ram_alias, NULL, "ram.alias", |
| 112 | &s->ram, alias_offset, ram[i].size - size); |
| 113 | memory_region_add_subregion(get_system_memory(), |
| 114 | ram[i].addr + size, &s->ram_alias); |
| 115 | } |
| 116 | |
| 117 | alias_offset += ram[i].size; |
| 118 | } |
| 119 | |
| 120 | imx25_pdk_binfo.ram_size = machine->ram_size; |
| 121 | imx25_pdk_binfo.kernel_filename = machine->kernel_filename; |
| 122 | imx25_pdk_binfo.kernel_cmdline = machine->kernel_cmdline; |
| 123 | imx25_pdk_binfo.initrd_filename = machine->initrd_filename; |
| 124 | imx25_pdk_binfo.loader_start = FSL_IMX25_SDRAM0_ADDR; |
| 125 | imx25_pdk_binfo.board_id = 1771, |
| 126 | imx25_pdk_binfo.nb_cpus = 1; |
| 127 | |
| 128 | /* |
| 129 | * We test explicitly for qtest here as it is not done (yet?) in |
| 130 | * arm_load_kernel(). Without this the "make check" command would |
| 131 | * fail. |
| 132 | */ |
| 133 | if (!qtest_enabled()) { |
| 134 | arm_load_kernel(&s->soc.cpu, &imx25_pdk_binfo); |
| 135 | } else { |
| 136 | /* |
| 137 | * This I2C device doesn't exist on the real board. |
| 138 | * We add it here (only on qtest usage) to be able to do a bit |
| 139 | * of simple qtest. See "make check" for details. |
| 140 | */ |
| 141 | i2c_create_slave((I2CBus *)qdev_get_child_bus(DEVICE(&s->soc.i2c[0]), |
Alastair D'Silva | 643bb6f | 2017-01-20 11:15:06 +0000 | [diff] [blame] | 142 | "i2c-bus.0"), |
Jean-Christophe Dubois | 65f57c4 | 2015-09-07 10:39:31 +0100 | [diff] [blame] | 143 | "ds1338", 0x68); |
| 144 | } |
| 145 | } |
| 146 | |
Eduardo Habkost | e264d29 | 2015-09-04 15:37:08 -0300 | [diff] [blame] | 147 | static void imx25_pdk_machine_init(MachineClass *mc) |
Jean-Christophe Dubois | 65f57c4 | 2015-09-07 10:39:31 +0100 | [diff] [blame] | 148 | { |
Eduardo Habkost | e264d29 | 2015-09-04 15:37:08 -0300 | [diff] [blame] | 149 | mc->desc = "ARM i.MX25 PDK board (ARM926)"; |
| 150 | mc->init = imx25_pdk_init; |
Jean-Christophe Dubois | 65f57c4 | 2015-09-07 10:39:31 +0100 | [diff] [blame] | 151 | } |
| 152 | |
Peter Crosthwaite | b64d64d | 2015-10-16 11:14:53 +0100 | [diff] [blame] | 153 | DEFINE_MACHINE("imx25-pdk", imx25_pdk_machine_init) |