#define BIOS_FILENAME "ppc_rom.bin"
#define NVRAM_SIZE 0x2000
+#define KERNEL_LOAD_ADDR 0x01000000
+#define INITRD_LOAD_ADDR 0x01800000
+
+/* MacIO devices (mapped inside the MacIO address space): CUDA, DBDMA,
+ NVRAM (not implemented). */
+
+static int dbdma_mem_index;
+static int cuda_mem_index;
+static int ide0_mem_index;
+static int ide1_mem_index;
+static int openpic_mem_index;
+
+/* DBDMA: currently no op - should suffice right now */
+
+static void dbdma_writeb (void *opaque, target_phys_addr_t addr, uint32_t value)
+{
+ printf("%s: 0x%08x <= 0x%08x\n", __func__, addr, value);
+}
+
+static void dbdma_writew (void *opaque, target_phys_addr_t addr, uint32_t value)
+{
+}
+
+static void dbdma_writel (void *opaque, target_phys_addr_t addr, uint32_t value)
+{
+}
+
+static uint32_t dbdma_readb (void *opaque, target_phys_addr_t addr)
+{
+ printf("%s: 0x%08x => 0x00000000\n", __func__, addr);
+ return 0;
+}
+
+static uint32_t dbdma_readw (void *opaque, target_phys_addr_t addr)
+{
+ return 0;
+}
+
+static uint32_t dbdma_readl (void *opaque, target_phys_addr_t addr)
+{
+ return 0;
+}
+
+static CPUWriteMemoryFunc *dbdma_write[] = {
+ &dbdma_writeb,
+ &dbdma_writew,
+ &dbdma_writel,
+};
+
+static CPUReadMemoryFunc *dbdma_read[] = {
+ &dbdma_readb,
+ &dbdma_readw,
+ &dbdma_readl,
+};
+
+static void macio_map(PCIDevice *pci_dev, int region_num,
+ uint32_t addr, uint32_t size, int type)
+{
+ cpu_register_physical_memory(addr + 0x08000, 0x1000, dbdma_mem_index);
+ cpu_register_physical_memory(addr + 0x16000, 0x2000, cuda_mem_index);
+ cpu_register_physical_memory(addr + 0x1f000, 0x1000, ide0_mem_index);
+ cpu_register_physical_memory(addr + 0x20000, 0x1000, ide1_mem_index);
+ cpu_register_physical_memory(addr + 0x40000, 0x40000, openpic_mem_index);
+}
+
+static void macio_init(PCIBus *bus)
+{
+ PCIDevice *d;
+
+ d = pci_register_device(bus, "macio", sizeof(PCIDevice),
+ -1, NULL, NULL);
+ /* Note: this code is strongly inspirated from the corresponding code
+ in PearPC */
+ d->config[0x00] = 0x6b; // vendor_id
+ d->config[0x01] = 0x10;
+ d->config[0x02] = 0x22;
+ d->config[0x03] = 0x00;
+
+ d->config[0x0a] = 0x00; // class_sub = pci2pci
+ d->config[0x0b] = 0xff; // class_base = bridge
+ d->config[0x0e] = 0x00; // header_type
+
+ d->config[0x3d] = 0x01; // interrupt on pin 1
+
+ dbdma_mem_index = cpu_register_io_memory(0, dbdma_read, dbdma_write, NULL);
+
+ pci_register_io_region(d, 0, 0x80000,
+ PCI_ADDRESS_SPACE_MEM, macio_map);
+}
+
/* PowerPC PREP hardware initialisation */
void ppc_chrp_init(int ram_size, int vga_ram_size, int boot_device,
DisplayState *ds, const char **fd_filename, int snapshot,
const char *initrd_filename)
{
char buf[1024];
+ openpic_t *openpic;
m48t59_t *nvram;
int PPC_io_memory;
- int ret, linux_boot, i, fd;
+ int ret, linux_boot, i;
unsigned long bios_offset;
-
+ uint32_t kernel_base, kernel_size, initrd_base, initrd_size;
+ PCIBus *pci_bus;
+
linux_boot = (kernel_filename != NULL);
/* allocate RAM */
BIOS_SIZE, bios_offset | IO_MEM_ROM);
cpu_single_env->nip = 0xfffffffc;
+ if (linux_boot) {
+ kernel_base = KERNEL_LOAD_ADDR;
+ /* now we can load the kernel */
+ kernel_size = load_image(kernel_filename, phys_ram_base + kernel_base);
+ if (kernel_size < 0) {
+ fprintf(stderr, "qemu: could not load kernel '%s'\n",
+ kernel_filename);
+ exit(1);
+ }
+ /* load initrd */
+ if (initrd_filename) {
+ initrd_base = INITRD_LOAD_ADDR;
+ initrd_size = load_image(initrd_filename,
+ phys_ram_base + initrd_base);
+ if (initrd_size < 0) {
+ fprintf(stderr, "qemu: could not load initial ram disk '%s'\n",
+ initrd_filename);
+ exit(1);
+ }
+ } else {
+ initrd_base = 0;
+ initrd_size = 0;
+ }
+ boot_device = 'm';
+ } else {
+ kernel_base = 0;
+ kernel_size = 0;
+ initrd_base = 0;
+ initrd_size = 0;
+ }
/* Register CPU as a 74x/75x */
cpu_ppc_register(cpu_single_env, 0x00080000);
/* Set time-base frequency to 100 Mhz */
cpu_ppc_tb_init(cpu_single_env, 100UL * 1000UL * 1000UL);
- isa_mem_base = 0xc0000000;
- pci_pmac_init();
+ isa_mem_base = 0x80000000;
+ pci_bus = pci_pmac_init();
- /* Register 64 KB of ISA IO space */
+ /* Register 8 MB of ISA IO space */
PPC_io_memory = cpu_register_io_memory(0, PPC_io_read, PPC_io_write, NULL);
- cpu_register_physical_memory(0x80000000, 0x10000, PPC_io_memory);
- // cpu_register_physical_memory(0xfe000000, 0xfe010000, PPC_io_memory);
+ cpu_register_physical_memory(0xF2000000, 0x00800000, PPC_io_memory);
/* init basic PC hardware */
- vga_initialize(ds, phys_ram_base + ram_size, ram_size,
- vga_ram_size, 1);
- // openpic = openpic_init(0x00000000, 0xF0000000, 1);
- // pic_init(openpic);
+ vga_initialize(pci_bus, ds, phys_ram_base + ram_size, ram_size,
+ vga_ram_size);
+ openpic = openpic_init(NULL, &openpic_mem_index, 1);
+ pci_pmac_set_openpic(pci_bus, openpic);
+
+ /* XXX: suppress that */
pic_init();
- // pit = pit_init(0x40, 0);
/* XXX: use Mac Serial port */
- fd = serial_open_device();
- serial_init(0x3f8, 4, fd);
+ serial_init(0x3f8, 4, serial_hds[0]);
for(i = 0; i < nb_nics; i++) {
- pci_ne2000_init(&nd_table[i]);
+ pci_ne2000_init(pci_bus, &nd_table[i]);
}
- pci_ide_init(bs_table);
+ ide0_mem_index = pmac_ide_init(&bs_table[0], openpic, 0x13);
+ ide1_mem_index = pmac_ide_init(&bs_table[2], openpic, 0x13);
- kbd_init();
+ /* cuda also initialize ADB */
+ cuda_mem_index = cuda_init(openpic, 0x19);
- nvram = m48t59_init(8, 0x0074, NVRAM_SIZE);
-
- PPC_NVRAM_set_params(nvram, NVRAM_SIZE, "PREP", ram_size, boot_device,
- 0, 0,
- 0,
- 0,
- 0, 0,
- /* XXX: need an option to load a NVRAM image */
- 0
- );
+ adb_kbd_init(&adb_bus);
+ adb_mouse_init(&adb_bus);
+
+ macio_init(pci_bus);
- /* Special port to get debug messages from Open-Firmware */
- register_ioport_write(0xFF00, 0x04, 1, &PREP_debug_write, NULL);
- register_ioport_write(0xFF00, 0x04, 2, &PREP_debug_write, NULL);
+ nvram = m48t59_init(8, 0xFFF04000, 0x0074, NVRAM_SIZE);
- pci_ppc_bios_init();
+ if (graphic_depth != 15 && graphic_depth != 32 && graphic_depth != 8)
+ graphic_depth = 15;
+
+ PPC_NVRAM_set_params(nvram, NVRAM_SIZE, "CHRP", ram_size, boot_device,
+ kernel_base, kernel_size,
+ kernel_cmdline,
+ initrd_base, initrd_size,
+ /* XXX: need an option to load a NVRAM image */
+ 0,
+ graphic_width, graphic_height, graphic_depth);
+ /* No PCI init: the BIOS will do it */
}