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/*
* 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 "sysbus.h"
#include "exec-memory.h"
#include "hw.h"
#include "arm-misc.h"
#include "devices.h"
#include "net.h"
#include "sysemu.h"
#include "boards.h"
#include "pc.h" /* for the FPGA UART that emulates a 16550 */
#include "imx.h"
/* Memory map for Kzm Emulation Baseboard:
* 0x00000000-0x00003fff 16k secure ROM IGNORED
* 0x00004000-0x00407fff Reserved IGNORED
* 0x00404000-0x00407fff ROM IGNORED
* 0x00408000-0x0fffffff Reserved IGNORED
* 0x10000000-0x1fffbfff RAM aliasing IGNORED
* 0x1fffc000-0x1fffffff RAM EMULATED
* 0x20000000-0x2fffffff Reserved IGNORED
* 0x30000000-0x7fffffff I.MX31 Internal Register Space
* 0x43f00000 IO_AREA0
* 0x43f90000 UART1 EMULATED
* 0x43f94000 UART2 EMULATED
* 0x68000000 AVIC EMULATED
* 0x53f80000 CCM EMULATED
* 0x53f94000 PIT 1 EMULATED
* 0x53f98000 PIT 2 EMULATED
* 0x53f90000 GPT EMULATED
* 0x80000000-0x87ffffff RAM EMULATED
* 0x88000000-0x8fffffff RAM Aliasing EMULATED
* 0xa0000000-0xafffffff NAND 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
*/
#define KZM_RAMADDRESS (0x80000000)
#define KZM_FPGA (0xb4001040)
static struct arm_boot_info kzm_binfo = {
.loader_start = KZM_RAMADDRESS,
.board_id = 1722,
};
static void kzm_init(QEMUMachineInitArgs *args)
{
ram_addr_t ram_size = args->ram_size;
const char *cpu_model = args->cpu_model;
const char *kernel_filename = args->kernel_filename;
const char *kernel_cmdline = args->kernel_cmdline;
const char *initrd_filename = args->initrd_filename;
ARMCPU *cpu;
MemoryRegion *address_space_mem = get_system_memory();
MemoryRegion *ram = g_new(MemoryRegion, 1);
MemoryRegion *sram = g_new(MemoryRegion, 1);
MemoryRegion *ram_alias = g_new(MemoryRegion, 1);
qemu_irq *cpu_pic;
DeviceState *dev;
DeviceState *ccm;
if (!cpu_model) {
cpu_model = "arm1136";
}
cpu = cpu_arm_init(cpu_model);
if (!cpu) {
fprintf(stderr, "Unable to find CPU definition\n");
exit(1);
}
/* On a real system, the first 16k is a `secure boot rom' */
memory_region_init_ram(ram, "kzm.ram", ram_size);
vmstate_register_ram_global(ram);
memory_region_add_subregion(address_space_mem, KZM_RAMADDRESS, ram);
memory_region_init_alias(ram_alias, "ram.alias", ram, 0, ram_size);
memory_region_add_subregion(address_space_mem, 0x88000000, ram_alias);
memory_region_init_ram(sram, "kzm.sram", 0x4000);
memory_region_add_subregion(address_space_mem, 0x1FFFC000, sram);
cpu_pic = arm_pic_init_cpu(cpu);
dev = sysbus_create_varargs("imx_avic", 0x68000000,
cpu_pic[ARM_PIC_CPU_IRQ],
cpu_pic[ARM_PIC_CPU_FIQ], NULL);
imx_serial_create(0, 0x43f90000, qdev_get_gpio_in(dev, 45));
imx_serial_create(1, 0x43f94000, qdev_get_gpio_in(dev, 32));
ccm = sysbus_create_simple("imx_ccm", 0x53f80000, NULL);
imx_timerp_create(0x53f94000, qdev_get_gpio_in(dev, 28), ccm);
imx_timerp_create(0x53f98000, qdev_get_gpio_in(dev, 27), ccm);
imx_timerg_create(0x53f90000, qdev_get_gpio_in(dev, 29), ccm);
if (nd_table[0].used) {
lan9118_init(&nd_table[0], 0xb6000000, qdev_get_gpio_in(dev, 52));
}
if (serial_hds[2]) { /* touchscreen */
serial_mm_init(address_space_mem, KZM_FPGA+0x10, 0,
qdev_get_gpio_in(dev, 52),
14745600, serial_hds[2],
DEVICE_NATIVE_ENDIAN);
}
kzm_binfo.ram_size = ram_size;
kzm_binfo.kernel_filename = kernel_filename;
kzm_binfo.kernel_cmdline = kernel_cmdline;
kzm_binfo.initrd_filename = initrd_filename;
kzm_binfo.nb_cpus = 1;
arm_load_kernel(cpu, &kzm_binfo);
}
static QEMUMachine kzm_machine = {
.name = "kzm",
.desc = "ARM KZM Emulation Baseboard (ARM1136)",
.init = kzm_init,
};
static void kzm_machine_init(void)
{
qemu_register_machine(&kzm_machine);
}
machine_init(kzm_machine_init)
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