diff options
Diffstat (limited to 'hw/ppc_chrp.c')
| -rw-r--r-- | hw/ppc_chrp.c | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/hw/ppc_chrp.c b/hw/ppc_chrp.c new file mode 100644 index 0000000000..380fb6e530 --- /dev/null +++ b/hw/ppc_chrp.c @@ -0,0 +1,107 @@ +/* + * QEMU PPC CHRP/PMAC hardware System Emulator + * + * Copyright (c) 2004 Fabrice Bellard + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ +#include "vl.h" + +#define BIOS_FILENAME "ppc_rom.bin" +#define NVRAM_SIZE 0x2000 + +/* 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 *kernel_filename, const char *kernel_cmdline, + const char *initrd_filename) +{ + char buf[1024]; + m48t59_t *nvram; + int PPC_io_memory; + int ret, linux_boot, i, fd; + unsigned long bios_offset; + + linux_boot = (kernel_filename != NULL); + + /* allocate RAM */ + cpu_register_physical_memory(0, ram_size, IO_MEM_RAM); + + /* allocate and load BIOS */ + bios_offset = ram_size + vga_ram_size; + snprintf(buf, sizeof(buf), "%s/%s", bios_dir, BIOS_FILENAME); + ret = load_image(buf, phys_ram_base + bios_offset); + if (ret != BIOS_SIZE) { + fprintf(stderr, "qemu: could not load PPC PREP bios '%s'\n", buf); + exit(1); + } + cpu_register_physical_memory((uint32_t)(-BIOS_SIZE), + BIOS_SIZE, bios_offset | IO_MEM_ROM); + cpu_single_env->nip = 0xfffffffc; + + /* 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(); + + /* Register 64 KB of ISA IO space */ + PPC_io_memory = cpu_register_io_memory(0, PPC_io_read, PPC_io_write); + cpu_register_physical_memory(0x80000000, 0x10000, PPC_io_memory); + // cpu_register_physical_memory(0xfe000000, 0xfe010000, 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); + pic_init(); + // pit = pit_init(0x40, 0); + + /* XXX: use Mac Serial port */ + fd = serial_open_device(); + serial_init(0x3f8, 4, fd); + + for(i = 0; i < nb_nics; i++) { + pci_ne2000_init(&nd_table[i]); + } + + pci_ide_init(bs_table); + + kbd_init(); + + 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 + ); + + /* 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); + + pci_ppc_bios_init(); +} |