diff options
Diffstat (limited to 'hw/palm.c')
| -rw-r--r-- | hw/palm.c | 140 |
1 files changed, 140 insertions, 0 deletions
diff --git a/hw/palm.c b/hw/palm.c new file mode 100644 index 0000000000..623fcd6482 --- /dev/null +++ b/hw/palm.c @@ -0,0 +1,140 @@ +/* + * PalmOne's (TM) PDAs. + * + * Copyright (C) 2006-2007 Andrzej Zaborowski <balrog@zabor.org> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ +#include "vl.h" + +static uint32_t static_readb(void *opaque, target_phys_addr_t offset) +{ + uint32_t *val = (uint32_t *) opaque; + return *val >> ((offset & 3) << 3); +} + +static uint32_t static_readh(void *opaque, target_phys_addr_t offset) { + uint32_t *val = (uint32_t *) opaque; + return *val >> ((offset & 1) << 3); +} + +static uint32_t static_readw(void *opaque, target_phys_addr_t offset) { + uint32_t *val = (uint32_t *) opaque; + return *val >> ((offset & 0) << 3); +} + +static void static_write(void *opaque, target_phys_addr_t offset, + uint32_t value) { +#ifdef SPY + printf("%s: value %08lx written at " PA_FMT "\n", + __FUNCTION__, value, offset); +#endif +} + +static CPUReadMemoryFunc *static_readfn[] = { + static_readb, + static_readh, + static_readw, +}; + +static CPUWriteMemoryFunc *static_writefn[] = { + static_write, + static_write, + static_write, +}; + +/* Palm Tunsgten|E support */ +static void palmte_microwire_setup(struct omap_mpu_state_s *cpu) +{ +} + +static void palmte_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, const char *cpu_model) +{ + struct omap_mpu_state_s *cpu; + int flash_size = 0x00800000; + int sdram_size = 0x02000000; + int io; + static uint32_t cs0val = 0xffffffff; + static uint32_t cs1val = 0x0000e1a0; + static uint32_t cs2val = 0x0000e1a0; + static uint32_t cs3val = 0xe1a0e1a0; + ram_addr_t phys_flash; + int rom_size, rom_loaded = 0; + + if (ram_size < flash_size + sdram_size + OMAP15XX_SRAM_SIZE) { + fprintf(stderr, "This architecture uses %i bytes of memory\n", + flash_size + sdram_size + OMAP15XX_SRAM_SIZE); + exit(1); + } + + cpu = omap310_mpu_init(sdram_size, ds, cpu_model); + + /* External Flash (EMIFS) */ + cpu_register_physical_memory(OMAP_CS0_BASE, flash_size, + (phys_flash = qemu_ram_alloc(flash_size)) | IO_MEM_ROM); + + io = cpu_register_io_memory(0, static_readfn, static_writefn, &cs0val); + cpu_register_physical_memory(OMAP_CS0_BASE + flash_size, + OMAP_CS0_SIZE - flash_size, io); + io = cpu_register_io_memory(0, static_readfn, static_writefn, &cs1val); + cpu_register_physical_memory(OMAP_CS1_BASE, OMAP_CS1_SIZE, io); + io = cpu_register_io_memory(0, static_readfn, static_writefn, &cs2val); + cpu_register_physical_memory(OMAP_CS2_BASE, OMAP_CS2_SIZE, io); + io = cpu_register_io_memory(0, static_readfn, static_writefn, &cs3val); + cpu_register_physical_memory(OMAP_CS3_BASE, OMAP_CS3_SIZE, io); + + palmte_microwire_setup(cpu); + + /* Setup initial (reset) machine state */ + if (nb_option_roms) { + rom_size = get_image_size(option_rom[0]); + if (rom_size > flash_size) + fprintf(stderr, "%s: ROM image too big (%x > %x)\n", + __FUNCTION__, rom_size, flash_size); + else if (rom_size > 0 && load_image(option_rom[0], + phys_ram_base + phys_flash) > 0) { + rom_loaded = 1; + cpu->env->regs[15] = 0x00000000; + } else + fprintf(stderr, "%s: error loading '%s'\n", + __FUNCTION__, option_rom[0]); + } + + if (!rom_loaded && !kernel_filename) { + fprintf(stderr, "Kernel or ROM image must be specified\n"); + exit(1); + } + + /* Load the kernel. */ + if (kernel_filename) { + /* Start at bootloader. */ + cpu->env->regs[15] = OMAP_EMIFF_BASE; + + arm_load_kernel(cpu->env, sdram_size, kernel_filename, kernel_cmdline, + initrd_filename, 0x331, OMAP_EMIFF_BASE); + } + + dpy_resize(ds, 320, 320); +} + +QEMUMachine palmte_machine = { + "cheetah", + "Palm Tungsten|E aka. Cheetah PDA (OMAP310)", + palmte_init, +}; |