int omap4430_enable_emu()
{
int ret = -1;
void *base_cm_emu, *base_l3instr_l3;
int timeout = GLOBAL_TIMEOUT;
base_cm_emu = map_page(OMAP4430_CM_EMU);
if (base_cm_emu == NULL)
goto end;
base_l3instr_l3 = map_page(OMAP4430_CM_L3INSTR_L3);
if (base_l3instr_l3 == NULL)
goto unmap_cm_emu;
// Enable clocks
__writel(0x2, base_cm_emu + 0xA00);
__writel(0x1, base_l3instr_l3 + 0xE20);
__writel(0x1, base_l3instr_l3 + 0xE28);
// Check if it worked
while (--timeout)
if (((__readl(base_cm_emu + 0xA00) & 0xf00) == 0x300)
&& (__readl(base_cm_emu + 0xA20) & 0x40000)) {
ret = 0;
break;
}
unmap_page(base_l3instr_l3);
unmap_cm_emu:
unmap_page(base_cm_emu);
end:
return ret;
}
int agp_generic_remove_memory(struct agp_memory *mem, off_t pg_start, int type)
{
size_t i;
int mask_type, num_entries = __get_num_entries();
if (mem->page_count == 0)
return 0;
#ifdef __PATCH__
num_entries = agp_num_entries();
if (((pg_start + mem->page_count) > num_entries) ||
((pg_start + mem->page_count) < pg_start))
return -EINVAL;
#endif
mask_type = __agp_type_to_mask_type(type);
if (mask_type != 0) {
/* The generic routines know nothing of memory types */
return -EINVAL;
}
/* AK: bogus, should encode addresses > 4GB */
for (i = pg_start; i < (mem->page_count + pg_start); i++) { // exp: {{uadd}}
__writel(i);
}
return 0;
}
void _writel(unsigned int b, unsigned long addr)
{
__writel(b, addr);
}
