*
* This code is licensed under the GPL
*/
+
#include "qemu/osdep.h"
+#include "qemu/units.h"
#include "qemu/error-report.h"
+#include "qemu/main-loop.h"
#include "qapi/error.h"
#include "qemu-common.h"
#include "cpu.h"
#include "hw/hw.h"
+#include "hw/irq.h"
#include "hw/m68k/mcf.h"
#include "hw/m68k/mcf_fec.h"
#include "qemu/timer.h"
#define SYS_FREQ 166666666
+#define ROM_SIZE 0x200000
+
#define PCSR_EN 0x0001
#define PCSR_RLD 0x0002
#define PCSR_PIF 0x0004
static void mcf5208evb_init(MachineState *machine)
{
ram_addr_t ram_size = machine->ram_size;
- const char *cpu_model = machine->cpu_model;
const char *kernel_filename = machine->kernel_filename;
M68kCPU *cpu;
CPUM68KState *env;
hwaddr entry;
qemu_irq *pic;
MemoryRegion *address_space_mem = get_system_memory();
+ MemoryRegion *rom = g_new(MemoryRegion, 1);
MemoryRegion *ram = g_new(MemoryRegion, 1);
MemoryRegion *sram = g_new(MemoryRegion, 1);
- if (!cpu_model) {
- cpu_model = "m5208";
- }
- cpu = M68K_CPU(cpu_generic_init(TYPE_M68K_CPU, cpu_model));
+ cpu = M68K_CPU(cpu_create(machine->cpu_type));
env = &cpu->env;
/* Initialize CPU registers. */
env->vbr = 0;
/* TODO: Configure BARs. */
+ /* ROM at 0x00000000 */
+ memory_region_init_rom(rom, NULL, "mcf5208.rom", ROM_SIZE, &error_fatal);
+ memory_region_add_subregion(address_space_mem, 0x00000000, rom);
+
/* DRAM at 0x40000000 */
memory_region_allocate_system_memory(ram, NULL, "mcf5208.ram", ram_size);
memory_region_add_subregion(address_space_mem, 0x40000000, ram);
/* Internal SRAM. */
- memory_region_init_ram(sram, NULL, "mcf5208.sram", 16384, &error_fatal);
+ memory_region_init_ram(sram, NULL, "mcf5208.sram", 16 * KiB, &error_fatal);
memory_region_add_subregion(address_space_mem, 0x80000000, sram);
/* Internal peripherals. */
pic = mcf_intc_init(address_space_mem, 0xfc048000, cpu);
- mcf_uart_mm_init(0xfc060000, pic[26], serial_hds[0]);
- mcf_uart_mm_init(0xfc064000, pic[27], serial_hds[1]);
- mcf_uart_mm_init(0xfc068000, pic[28], serial_hds[2]);
+ mcf_uart_mm_init(0xfc060000, pic[26], serial_hd(0));
+ mcf_uart_mm_init(0xfc064000, pic[27], serial_hd(1));
+ mcf_uart_mm_init(0xfc068000, pic[28], serial_hd(2));
mcf5208_sys_init(address_space_mem, pic);
/* 0xfc0a4000 GPIO. */
/* 0xfc0a8000 SDRAM controller. */
+ /* Load firmware */
+ if (bios_name) {
+ char *fn;
+ uint8_t *ptr;
+
+ fn = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name);
+ if (!fn) {
+ error_report("Could not find ROM image '%s'", bios_name);
+ exit(1);
+ }
+ if (load_image_targphys(fn, 0x0, ROM_SIZE) < 8) {
+ error_report("Could not load ROM image '%s'", bios_name);
+ exit(1);
+ }
+ g_free(fn);
+ /* Initial PC is always at offset 4 in firmware binaries */
+ ptr = rom_ptr(0x4, 4);
+ assert(ptr != NULL);
+ env->pc = ldl_p(ptr);
+ }
+
/* Load kernel. */
if (!kernel_filename) {
- if (qtest_enabled()) {
+ if (qtest_enabled() || bios_name) {
return;
}
error_report("Kernel image must be specified");
exit(1);
}
- kernel_size = load_elf(kernel_filename, NULL, NULL, &elf_entry,
+ kernel_size = load_elf(kernel_filename, NULL, NULL, NULL, &elf_entry,
NULL, NULL, 1, EM_68K, 0, 0);
entry = elf_entry;
if (kernel_size < 0) {
static void mcf5208evb_machine_init(MachineClass *mc)
{
- mc->desc = "MCF5206EVB";
+ mc->desc = "MCF5208EVB";
mc->init = mcf5208evb_init;
mc->is_default = 1;
+ mc->default_cpu_type = M68K_CPU_TYPE_NAME("m5208");
}
DEFINE_MACHINE("mcf5208evb", mcf5208evb_machine_init)