qemu-e2k/hw/gumstix.c

137 lines
4.0 KiB
C

/*
* Gumstix Platforms
*
* Copyright (c) 2007 by Thorsten Zitterell <info@bitmux.org>
*
* Code based on spitz platform by Andrzej Zaborowski <balrog@zabor.org>
*
* This code is licensed under the GNU GPL v2.
*/
/*
* Example usage:
*
* connex:
* =======
* create image:
* # dd of=flash bs=1k count=16k if=/dev/zero
* # dd of=flash bs=1k conv=notrunc if=u-boot.bin
* # dd of=flash bs=1k conv=notrunc seek=256 if=rootfs.arm_nofpu.jffs2
* start it:
* # qemu-system-arm -M connex -pflash flash -monitor null -nographic
*
* verdex:
* =======
* create image:
* # dd of=flash bs=1k count=32k if=/dev/zero
* # dd of=flash bs=1k conv=notrunc if=u-boot.bin
* # dd of=flash bs=1k conv=notrunc seek=256 if=rootfs.arm_nofpu.jffs2
* # dd of=flash bs=1k conv=notrunc seek=31744 if=uImage
* start it:
* # qemu-system-arm -M verdex -pflash flash -monitor null -nographic -m 289
*/
#include "hw.h"
#include "pxa.h"
#include "net.h"
#include "flash.h"
#include "sysemu.h"
#include "devices.h"
#include "boards.h"
static const int sector_len = 128 * 1024;
static void connex_init(ram_addr_t ram_size, int vga_ram_size,
const char *boot_device, DisplayState *ds,
const char *kernel_filename, const char *kernel_cmdline,
const char *initrd_filename, const char *cpu_model)
{
struct pxa2xx_state_s *cpu;
int index;
uint32_t connex_rom = 0x01000000;
uint32_t connex_ram = 0x04000000;
if (ram_size < (connex_ram + connex_rom + PXA2XX_INTERNAL_SIZE)) {
fprintf(stderr, "This platform requires %i bytes of memory\n",
connex_ram + connex_rom + PXA2XX_INTERNAL_SIZE);
exit(1);
}
cpu = pxa255_init(connex_ram, ds);
index = drive_get_index(IF_PFLASH, 0, 0);
if (index == -1) {
fprintf(stderr, "A flash image must be given with the "
"'pflash' parameter\n");
exit(1);
}
if (!pflash_cfi01_register(0x00000000, qemu_ram_alloc(connex_rom),
drives_table[index].bdrv, sector_len, connex_rom / sector_len,
2, 0, 0, 0, 0)) {
fprintf(stderr, "qemu: Error registering flash memory.\n");
exit(1);
}
cpu->env->regs[15] = 0x00000000;
/* Interrupt line of NIC is connected to GPIO line 36 */
smc91c111_init(&nd_table[0], 0x04000300,
pxa2xx_gpio_in_get(cpu->gpio)[36]);
}
static void verdex_init(ram_addr_t ram_size, int vga_ram_size,
const char *boot_device, DisplayState *ds,
const char *kernel_filename, const char *kernel_cmdline,
const char *initrd_filename, const char *cpu_model)
{
struct pxa2xx_state_s *cpu;
int index;
uint32_t verdex_rom = 0x02000000;
uint32_t verdex_ram = 0x10000000;
if (ram_size < (verdex_ram + verdex_rom + PXA2XX_INTERNAL_SIZE)) {
fprintf(stderr, "This platform requires %i bytes of memory\n",
verdex_ram + verdex_rom + PXA2XX_INTERNAL_SIZE);
exit(1);
}
cpu = pxa270_init(verdex_ram, ds, cpu_model ?: "pxa270-c0");
index = drive_get_index(IF_PFLASH, 0, 0);
if (index == -1) {
fprintf(stderr, "A flash image must be given with the "
"'pflash' parameter\n");
exit(1);
}
if (!pflash_cfi01_register(0x00000000, qemu_ram_alloc(verdex_rom),
drives_table[index].bdrv, sector_len, verdex_rom / sector_len,
2, 0, 0, 0, 0)) {
fprintf(stderr, "qemu: Error registering flash memory.\n");
exit(1);
}
cpu->env->regs[15] = 0x00000000;
/* Interrupt line of NIC is connected to GPIO line 99 */
smc91c111_init(&nd_table[0], 0x04000300,
pxa2xx_gpio_in_get(cpu->gpio)[99]);
}
QEMUMachine connex_machine = {
.name = "connex",
.desc = "Gumstix Connex (PXA255)",
.init = connex_init,
.ram_require = (0x05000000 + PXA2XX_INTERNAL_SIZE) | RAMSIZE_FIXED,
};
QEMUMachine verdex_machine = {
.name = "verdex",
.desc = "Gumstix Verdex (PXA270)",
.init = verdex_init,
.ram_require = (0x12000000 + PXA2XX_INTERNAL_SIZE) | RAMSIZE_FIXED,
};