| /* |
| * rbtx4939 specific prom routines |
| * |
| * This file is subject to the terms and conditions of the GNU General Public |
| * License. See the file "COPYING" in the main directory of this archive |
| * for more details. |
| */ |
| |
| #include <linux/init.h> |
| #include <linux/memblock.h> |
| #include <asm/txx9/generic.h> |
| #include <asm/txx9/rbtx4939.h> |
| |
| void __init rbtx4939_prom_init(void) |
| { |
| unsigned long start, size; |
| u64 win; |
| int i; |
| |
| for (i = 0; i < 4; i++) { |
| if (!((__u32)____raw_readq(&tx4939_ddrcptr->winen) & (1 << i))) |
| continue; |
| win = ____raw_readq(&tx4939_ddrcptr->win[i]); |
| start = (unsigned long)(win >> 48); |
| size = (((unsigned long)(win >> 32) & 0xffff) + 1) - start; |
| memblock_add(start << 20, size << 20); |
| } |
| txx9_sio_putchar_init(TX4939_SIO_REG(0) & 0xfffffffffULL); |
| } |
