| /* |
| * Copyright (c) 2013 Jean-Christophe Dubois <jcd@tribudubois.net> |
| * |
| * PDK Board System emulation. |
| * |
| * Based on hw/arm/kzm.c |
| * |
| * Copyright (c) 2008 OKL and 2011 NICTA |
| * Written by Hans at OK-Labs |
| * Updated by Peter Chubb. |
| * |
| * This program is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License as published by the |
| * Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * for more details. |
| * |
| * You should have received a copy of the GNU General Public License along |
| * with this program; if not, see <http://www.gnu.org/licenses/>. |
| */ |
| |
| #include "qemu/osdep.h" |
| #include "qapi/error.h" |
| #include "qemu-common.h" |
| #include "cpu.h" |
| #include "hw/arm/fsl-imx25.h" |
| #include "hw/boards.h" |
| #include "qemu/error-report.h" |
| #include "exec/address-spaces.h" |
| #include "sysemu/qtest.h" |
| #include "hw/i2c/i2c.h" |
| |
| /* Memory map for PDK Emulation Baseboard: |
| * 0x00000000-0x7fffffff See i.MX25 SOC fr support |
| * 0x80000000-0x87ffffff RAM + Alias EMULATED |
| * 0x90000000-0x9fffffff RAM + Alias EMULATED |
| * 0xa0000000-0xa7ffffff Flash IGNORED |
| * 0xa8000000-0xafffffff Flash IGNORED |
| * 0xb0000000-0xb1ffffff SRAM IGNORED |
| * 0xb2000000-0xb3ffffff SRAM IGNORED |
| * 0xb4000000-0xb5ffffff CS4 IGNORED |
| * 0xb6000000-0xb8000fff Reserved IGNORED |
| * 0xb8001000-0xb8001fff SDRAM CTRL reg IGNORED |
| * 0xb8002000-0xb8002fff WEIM CTRL reg IGNORED |
| * 0xb8003000-0xb8003fff M3IF CTRL reg IGNORED |
| * 0xb8004000-0xb8004fff EMI CTRL reg IGNORED |
| * 0xb8005000-0xbaffffff Reserved IGNORED |
| * 0xbb000000-0xbb000fff NAND flash area buf IGNORED |
| * 0xbb001000-0xbb0011ff NAND flash reserved IGNORED |
| * 0xbb001200-0xbb001dff Reserved IGNORED |
| * 0xbb001e00-0xbb001fff NAN flash CTRL reg IGNORED |
| * 0xbb012000-0xbfffffff Reserved IGNORED |
| * 0xc0000000-0xffffffff Reserved IGNORED |
| */ |
| |
| typedef struct IMX25PDK { |
| FslIMX25State soc; |
| MemoryRegion ram; |
| MemoryRegion ram_alias; |
| } IMX25PDK; |
| |
| static struct arm_boot_info imx25_pdk_binfo; |
| |
| static void imx25_pdk_init(MachineState *machine) |
| { |
| IMX25PDK *s = g_new0(IMX25PDK, 1); |
| unsigned int ram_size; |
| unsigned int alias_offset; |
| int i; |
| |
| object_initialize(&s->soc, sizeof(s->soc), TYPE_FSL_IMX25); |
| object_property_add_child(OBJECT(machine), "soc", OBJECT(&s->soc), |
| &error_abort); |
| |
| object_property_set_bool(OBJECT(&s->soc), true, "realized", &error_fatal); |
| |
| /* We need to initialize our memory */ |
| if (machine->ram_size > (FSL_IMX25_SDRAM0_SIZE + FSL_IMX25_SDRAM1_SIZE)) { |
| error_report("WARNING: RAM size " RAM_ADDR_FMT " above max supported, " |
| "reduced to %x", machine->ram_size, |
| FSL_IMX25_SDRAM0_SIZE + FSL_IMX25_SDRAM1_SIZE); |
| machine->ram_size = FSL_IMX25_SDRAM0_SIZE + FSL_IMX25_SDRAM1_SIZE; |
| } |
| |
| memory_region_allocate_system_memory(&s->ram, NULL, "imx25.ram", |
| machine->ram_size); |
| memory_region_add_subregion(get_system_memory(), FSL_IMX25_SDRAM0_ADDR, |
| &s->ram); |
| |
| /* initialize the alias memory if any */ |
| for (i = 0, ram_size = machine->ram_size, alias_offset = 0; |
| (i < 2) && ram_size; i++) { |
| unsigned int size; |
| static const struct { |
| hwaddr addr; |
| unsigned int size; |
| } ram[2] = { |
| { FSL_IMX25_SDRAM0_ADDR, FSL_IMX25_SDRAM0_SIZE }, |
| { FSL_IMX25_SDRAM1_ADDR, FSL_IMX25_SDRAM1_SIZE }, |
| }; |
| |
| size = MIN(ram_size, ram[i].size); |
| |
| ram_size -= size; |
| |
| if (size < ram[i].size) { |
| memory_region_init_alias(&s->ram_alias, NULL, "ram.alias", |
| &s->ram, alias_offset, ram[i].size - size); |
| memory_region_add_subregion(get_system_memory(), |
| ram[i].addr + size, &s->ram_alias); |
| } |
| |
| alias_offset += ram[i].size; |
| } |
| |
| imx25_pdk_binfo.ram_size = machine->ram_size; |
| imx25_pdk_binfo.kernel_filename = machine->kernel_filename; |
| imx25_pdk_binfo.kernel_cmdline = machine->kernel_cmdline; |
| imx25_pdk_binfo.initrd_filename = machine->initrd_filename; |
| imx25_pdk_binfo.loader_start = FSL_IMX25_SDRAM0_ADDR; |
| imx25_pdk_binfo.board_id = 1771, |
| imx25_pdk_binfo.nb_cpus = 1; |
| |
| /* |
| * We test explicitly for qtest here as it is not done (yet?) in |
| * arm_load_kernel(). Without this the "make check" command would |
| * fail. |
| */ |
| if (!qtest_enabled()) { |
| arm_load_kernel(&s->soc.cpu, &imx25_pdk_binfo); |
| } else { |
| /* |
| * This I2C device doesn't exist on the real board. |
| * We add it here (only on qtest usage) to be able to do a bit |
| * of simple qtest. See "make check" for details. |
| */ |
| i2c_create_slave((I2CBus *)qdev_get_child_bus(DEVICE(&s->soc.i2c[0]), |
| "i2c-bus.0"), |
| "ds1338", 0x68); |
| } |
| } |
| |
| static void imx25_pdk_machine_init(MachineClass *mc) |
| { |
| mc->desc = "ARM i.MX25 PDK board (ARM926)"; |
| mc->init = imx25_pdk_init; |
| } |
| |
| DEFINE_MACHINE("imx25-pdk", imx25_pdk_machine_init) |