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Diffstat (limited to 'hw/arm/kzm.c')
| -rw-r--r-- | hw/arm/kzm.c | 142 |
1 files changed, 142 insertions, 0 deletions
diff --git a/hw/arm/kzm.c b/hw/arm/kzm.c new file mode 100644 index 000000000..39559c44c --- /dev/null +++ b/hw/arm/kzm.c @@ -0,0 +1,142 @@ +/* + * 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 "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" +#include "sysemu/sysemu.h" +#include "qemu/cutils.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_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_child(OBJECT(machine), "soc", &s->soc, TYPE_FSL_IMX31); + + qdev_realize(DEVICE(&s->soc), NULL, &error_fatal); + + /* Check the amount of memory is compatible with the SOC */ + if (machine->ram_size > (FSL_IMX31_SDRAM0_SIZE + FSL_IMX31_SDRAM1_SIZE)) { + char *sz = size_to_str(FSL_IMX31_SDRAM0_SIZE + FSL_IMX31_SDRAM1_SIZE); + error_report("RAM size more than %s is not supported", sz); + g_free(sz); + exit(EXIT_FAILURE); + } + + memory_region_add_subregion(get_system_memory(), FSL_IMX31_SDRAM0_ADDR, + machine->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", + machine->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.nb_cpus = 1; + + if (!qtest_enabled()) { + arm_load_kernel(&s->soc.cpu, machine, &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; + mc->default_ram_id = "kzm.ram"; +} + +DEFINE_MACHINE("kzm", kzm_machine_init) |