/* * 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); }