static int __init parse_tag_ramdisk(const struct tag *tag)
{
setup_ramdisk((tag->u.ramdisk.flags & 1) == 0,
(tag->u.ramdisk.flags & 2) == 0,
tag->u.ramdisk.start, tag->u.ramdisk.size);
return 0;
}
/**
* fixup_system3 - fixup function for system 3 board
* @desc: machine description
* @param: kernel params
* @cmdline: kernel cmdline
* @mi: memory info struct
*
*/
static void __init fixup_system3(struct machine_desc *desc,
struct param_struct *params, char **cmdline, struct meminfo *mi)
{
DPRINTK( "%s\n", "START" );
ROOT_DEV = MKDEV(RAMDISK_MAJOR,0);
setup_ramdisk( 1, 0, 0, 8192 );
setup_initrd( 0xc0800000, 8*1024*1024 );
}
UINT setup_drivers(void)
{
setup_pseudo_devices();
setup_tty();
setup_serial();
setup_floppy();
setup_ramdisk();
return 0;
}
static void __init
fixup_csb226(struct machine_desc *desc, struct param_struct *params,
char **cmdline, struct meminfo *mi)
{
SET_BANK (0, 0xa0000000, 64*1024*1024);
mi->nr_banks = 1;
#if 0
setup_ramdisk (1, 0, 0, 8192);
setup_initrd (__phys_to_virt(0xa1000000), 4*1024*1024);
ROOT_DEV = MKDEV(RAMDISK_MAJOR,0);
#endif
}
static void __init
fixup_graphicsmaster(struct machine_desc *desc, struct param_struct *params,
char **cmdline, struct meminfo *mi)
{
SET_BANK( 0, 0xc0000000, 16*1024*1024 );
mi->nr_banks = 1;
SET_BANK( 1, 0xc8000000, 16*1024*1024 );
mi->nr_banks = 2;
ROOT_DEV = MKDEV(RAMDISK_MAJOR,0);
setup_ramdisk( 1, 0, 0, 8192 );
setup_initrd( __phys_to_virt(0xc0800000), 4*1024*1024 );
}
void fixup_lpc(struct machine_desc *desc, struct param_struct *params, char ** cmdline, struct meminfo * mi)
{
mi->bank[0].start = 0x81000000;
mi->bank[0].size = 8 * 1024 * 1024;
mi->bank[0].node = 0;
mi->nr_banks = 1;
#ifdef CONFIG_BLK_DEV_INITRD
setup_ramdisk(1, 0, 0, CONFIG_BLK_DEV_RAM_SIZE);
setup_initrd(__phys_to_virt(0x81700000), 1024 * 1024);
ROOT_DEV = MKDEV(RAMDISK_MAJOR, 0);
#endif
}
static void __init
fixup_simpad(struct machine_desc *desc, struct param_struct *params,
char **cmdline, struct meminfo *mi)
{
#ifdef CONFIG_SA1100_SIMPAD_DRAM_64MB /* DRAM */
SET_BANK( 0, 0xc0000000, 64*1024*1024 );
#else
SET_BANK( 0, 0xc0000000, 32*1024*1024 );
#endif
mi->nr_banks = 1;
ROOT_DEV = MKDEV(RAMDISK_MAJOR,0);
setup_ramdisk( 1, 0, 0, 8192 );
setup_initrd( __phys_to_virt(0xc0800000), 4*1024*1024 );
}
static void __init fixup_PL1029(struct machine_desc *desc,
struct param_struct *params,
char **cmdline, struct meminfo *mi)
{
ROOT_DEV = MKDEV(RAMDISK_MAJOR, 0);
#ifdef CONFIG_BLK_DEV_RAM_SIZE
setup_ramdisk(1, 0, 0, CONFIG_BLK_DEV_RAM_SIZE);
#endif
pm_power_off = pl_machine_power_off;
plser_register_uart(0, 1); /* com port */
printk("Prolific arm arch version %s\n", ARCH_VERSION);
}
static void __init
ipod_fixup(struct machine_desc *desc, struct param_struct *params,
char **cmdline, struct meminfo *mi)
{
#ifdef CONFIG_BLK_DEV_RAM
extern void __ramdisk_data, __ramdisk_data_end, _text;
setup_ramdisk(1, 0, 0, CONFIG_BLK_DEV_RAM_SIZE);
setup_initrd((int)&__ramdisk_data,
(int)&__ramdisk_data_end - (int)&__ramdisk_data);
#else
strcpy(*cmdline, "root=/dev/hda2 rw");
#endif
}
MACHINE_END
#endif
#ifdef CONFIG_ARCH_IXP425_COYOTE
static void __init
fixup_coyote(struct machine_desc *desc, struct param_struct *params,
char **cmdline, struct meminfo *mi)
{
mi->bank[0].start = PHYS_OFFSET;
mi->bank[0].size = CONFIG_IXP425_SDRAM_SIZE * 1024 * 1024;
mi->bank[0].node = 0;
mi->nr_banks = 1;
#ifdef CONFIG_BLK_DEV_INITRD
setup_ramdisk(1, 0, 0, CONFIG_BLK_DEV_RAM_SIZE);
setup_initrd(phys_to_virt(0x00A00000), 4 * 1024 * 1024);
#endif
}
static void __init
fixup_l7200(struct machine_desc *desc, struct param_struct *unused,
char **cmdline, struct meminfo *mi)
{
mi->nr_banks = 1;
mi->bank[0].start = PHYS_OFFSET;
mi->bank[0].size = (32*1024*1024);
mi->bank[0].node = 0;
ROOT_DEV = MKDEV(RAMDISK_MAJOR,0);
setup_ramdisk( 1, 0, 0, CONFIG_BLK_DEV_RAM_SIZE);
setup_initrd( __phys_to_virt(0xf1000000), 0x005dac7b);
/* Serial Console COM2 and LCD */
strcpy( *cmdline, "console=tty0 console=ttyLU1,115200");
/* Serial Console COM1 and LCD */
//strcpy( *cmdline, "console=tty0 console=ttyLU0,115200");
/* Console on LCD */
//strcpy( *cmdline, "console=tty0");
}
rtems_task Init(
rtems_task_argument ignored
)
{
int ret;
puts( "\n\n*** ramdisk/fat example ***" );
printf("Unpacking tar filesystem\nThis may take awhile...\n");
if(Untar_FromMemory((char*) FilesystemImage, FilesystemImage_size) != 0) {
printf("Can't unpack tar filesystem\n");
exit(1);
}
ret = setup_ramdisk ("/mnt/ramdisk");
if (ret)
exit (ret);
shell_init_script();
shell_start();
printf( "*** end of demonstration ***\n" );
exit( 0 );
}
