palm.c
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/*
* 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,
};