| /* |
| * KZM Board System emulation. |
| * |
| * Copyright (c) 2008 OKL and 2011 NICTA |
| * Written by Hans at OK-Labs |
| * Updated by Peter Chubb. |
| * |
| * This code is licensed under the GPL, version 2 or later. |
| * See the file `COPYING' in the top level directory. |
| * |
| * It (partially) emulates a Kyoto Microcomputer |
| * KZM-ARM11-01 evaluation board, with a Freescale |
| * i.MX31 SoC |
| */ |
| |
| #include "qemu/osdep.h" |
| #include "qapi/error.h" |
| #include "qemu-common.h" |
| #include "cpu.h" |
| #include "hw/arm/fsl-imx31.h" |
| #include "hw/boards.h" |
| #include "qemu/error-report.h" |
| #include "exec/address-spaces.h" |
| #include "net/net.h" |
| #include "hw/net/lan9118.h" |
| #include "hw/char/serial.h" |
| #include "sysemu/qtest.h" |
| |
| /* Memory map for Kzm Emulation Baseboard: |
| * 0x00000000-0x7fffffff See i.MX31 SOC for support |
| * 0x80000000-0x8fffffff RAM EMULATED |
| * 0x90000000-0x9fffffff RAM EMULATED |
| * 0xa0000000-0xafffffff Flash IGNORED |
| * 0xb0000000-0xb3ffffff Unavailable IGNORED |
| * 0xb4000000-0xb4000fff 8-bit free space IGNORED |
| * 0xb4001000-0xb400100f Board control IGNORED |
| * 0xb4001003 DIP switch |
| * 0xb4001010-0xb400101f 7-segment LED IGNORED |
| * 0xb4001020-0xb400102f LED IGNORED |
| * 0xb4001030-0xb400103f LED IGNORED |
| * 0xb4001040-0xb400104f FPGA, UART EMULATED |
| * 0xb4001050-0xb400105f FPGA, UART EMULATED |
| * 0xb4001060-0xb40fffff FPGA IGNORED |
| * 0xb6000000-0xb61fffff LAN controller EMULATED |
| * 0xb6200000-0xb62fffff FPGA NAND Controller IGNORED |
| * 0xb6300000-0xb7ffffff Free IGNORED |
| * 0xb8000000-0xb8004fff Memory control registers IGNORED |
| * 0xc0000000-0xc3ffffff PCMCIA/CF IGNORED |
| * 0xc4000000-0xffffffff Reserved IGNORED |
| */ |
| |
| typedef struct IMX31KZM { |
| FslIMX31State soc; |
| MemoryRegion ram; |
| MemoryRegion ram_alias; |
| } IMX31KZM; |
| |
| #define KZM_RAM_ADDR (FSL_IMX31_SDRAM0_ADDR) |
| #define KZM_FPGA_ADDR (FSL_IMX31_CS4_ADDR + 0x1040) |
| #define KZM_LAN9118_ADDR (FSL_IMX31_CS5_ADDR) |
| |
| static struct arm_boot_info kzm_binfo = { |
| .loader_start = KZM_RAM_ADDR, |
| .board_id = 1722, |
| }; |
| |
| static void kzm_init(MachineState *machine) |
| { |
| IMX31KZM *s = g_new0(IMX31KZM, 1); |
| unsigned int ram_size; |
| unsigned int alias_offset; |
| unsigned int i; |
| |
| object_initialize(&s->soc, sizeof(s->soc), TYPE_FSL_IMX31); |
| object_property_add_child(OBJECT(machine), "soc", OBJECT(&s->soc), |
| &error_abort); |
| |
| object_property_set_bool(OBJECT(&s->soc), true, "realized", &error_fatal); |
| |
| /* Check the amount of memory is compatible with the SOC */ |
| if (machine->ram_size > (FSL_IMX31_SDRAM0_SIZE + FSL_IMX31_SDRAM1_SIZE)) { |
| warn_report("RAM size " RAM_ADDR_FMT " above max supported, " |
| "reduced to %x", machine->ram_size, |
| FSL_IMX31_SDRAM0_SIZE + FSL_IMX31_SDRAM1_SIZE); |
| machine->ram_size = FSL_IMX31_SDRAM0_SIZE + FSL_IMX31_SDRAM1_SIZE; |
| } |
| |
| memory_region_allocate_system_memory(&s->ram, NULL, "kzm.ram", |
| machine->ram_size); |
| memory_region_add_subregion(get_system_memory(), FSL_IMX31_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_IMX31_SDRAM0_ADDR, FSL_IMX31_SDRAM0_SIZE }, |
| { FSL_IMX31_SDRAM1_ADDR, FSL_IMX31_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; |
| } |
| |
| if (nd_table[0].used) { |
| lan9118_init(&nd_table[0], KZM_LAN9118_ADDR, |
| qdev_get_gpio_in(DEVICE(&s->soc.avic), 52)); |
| } |
| |
| if (serial_hd(2)) { /* touchscreen */ |
| serial_mm_init(get_system_memory(), KZM_FPGA_ADDR+0x10, 0, |
| qdev_get_gpio_in(DEVICE(&s->soc.avic), 52), |
| 14745600, serial_hd(2), DEVICE_NATIVE_ENDIAN); |
| } |
| |
| kzm_binfo.ram_size = machine->ram_size; |
| kzm_binfo.kernel_filename = machine->kernel_filename; |
| kzm_binfo.kernel_cmdline = machine->kernel_cmdline; |
| kzm_binfo.initrd_filename = machine->initrd_filename; |
| kzm_binfo.nb_cpus = 1; |
| |
| if (!qtest_enabled()) { |
| arm_load_kernel(&s->soc.cpu, &kzm_binfo); |
| } |
| } |
| |
| static void kzm_machine_init(MachineClass *mc) |
| { |
| mc->desc = "ARM KZM Emulation Baseboard (ARM1136)"; |
| mc->init = kzm_init; |
| mc->ignore_memory_transaction_failures = true; |
| } |
| |
| DEFINE_MACHINE("kzm", kzm_machine_init) |