static void __init
pcore_setup_arch(void)
{
/* init to some ~sane value until calibrate_delay() runs */
loops_per_jiffy = 50000000/HZ;
/* Lookup PCI host bridges */
board_type = pcore_find_bridges();
#ifdef CONFIG_BLK_DEV_INITRD
if (initrd_start)
ROOT_DEV = Root_RAM0;
else
#endif
#ifdef CONFIG_ROOT_NFS
ROOT_DEV = Root_NFS;
#else
ROOT_DEV = Root_SDA2;
#endif
printk(KERN_INFO "Force PowerCore ");
if (board_type == PCORE_TYPE_6750)
printk("6750\n");
else
printk("680\n");
printk(KERN_INFO "Port by MontaVista Software, Inc. ([email protected])\n");
_set_L2CR(L2CR_L2E | _get_L2CR());
}
void __init
core99_init_l2(void)
{
int cpu = smp_processor_id();
if (!(cur_cpu_spec[0]->cpu_features & CPU_FTR_L2CR))
return;
if (cpu == 0){
core99_l2_cache = _get_L2CR();
printk("CPU0: L2CR is %lx\n", core99_l2_cache);
} else {
printk("CPU%d: L2CR was %lx\n", cpu, _get_L2CR());
_set_L2CR(0);
_set_L2CR(core99_l2_cache);
printk("CPU%d: L2CR set to %lx\n", cpu, core99_l2_cache);
}
}
/**************************************************************************
* FUNCTION: chestnut_setup_arch
*
* DESCRIPTION: ppc_md machine configuration callback
*
****/
static void __init
chestnut_setup_arch(void)
{
if (ppc_md.progress)
ppc_md.progress("chestnut_setup_arch: enter", 0);
/* init to some ~sane value until calibrate_delay() runs */
loops_per_jiffy = 50000000 / HZ;
/* if the time base value is greater than bus freq/4 (the TB and
* decrementer tick rate) + signed integer rollover value, we
* can spend a fair amount of time waiting for the rollover to
* happen. To get around this, initialize the time base register
* to a "safe" value.
*/
set_tb(0, 0);
#ifdef CONFIG_BLK_DEV_INITRD
if (initrd_start)
ROOT_DEV = Root_RAM0;
else
#endif
#ifdef CONFIG_ROOT_NFS
ROOT_DEV = Root_NFS;
#else
ROOT_DEV = Root_SDA2;
#endif
/*
* Set up the L2CR register.
*/
_set_L2CR(_get_L2CR() | L2CR_L2E);
chestnut_setup_bridge();
chestnut_setup_peripherals();
#ifdef CONFIG_DUMMY_CONSOLE
conswitchp = &dummy_con;
#endif
#if defined(CONFIG_SERIAL_8250)
chestnut_early_serial_map();
#endif
/* Identify the system */
printk(KERN_INFO "System Identification: IBM 750FX/GX Eval Board\n");
printk(KERN_INFO "IBM 750FX/GX port (C) 2004 MontaVista Software, Inc."
" ([email protected])\n");
if (ppc_md.progress)
ppc_md.progress("chestnut_setup_arch: exit", 0);
}
/*
* Called very early, device-tree isn't unflattened
*/
static int __init prpmc2800_probe(void)
{
unsigned long root = of_get_flat_dt_root();
unsigned long len = PLATFORM_NAME_MAX;
void *m;
if (!of_flat_dt_is_compatible(root, "motorola,PrPMC2800"))
return 0;
/* Update ppc_md.name with name from dt */
m = of_get_flat_dt_prop(root, "model", &len);
if (m)
strncpy(prpmc2800_platform_name, m,
min((int)len, PLATFORM_NAME_MAX - 1));
_set_L2CR(_get_L2CR() | L2CR_L2E);
return 1;
}
