| /* |
| * (C) Copyright 2010 |
| * Matthias Weisser <weisserm@arcor.de> |
| * |
| * See file CREDITS for list of people who contributed to this |
| * project. |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU General Public License as |
| * published by the Free Software Foundation; either version 2 of |
| * the License, or (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
| * MA 02111-1307 USA |
| */ |
| |
| #include <common.h> |
| #include <asm/io.h> |
| #include <asm/arch/hardware.h> |
| |
| /* |
| * Get the peripheral bus frequency depending on pll pin settings |
| */ |
| ulong get_bus_freq(ulong dummy) |
| { |
| struct mb86r0x_crg * crg = (struct mb86r0x_crg *) |
| MB86R0x_CRG_BASE; |
| uint32_t pllmode; |
| |
| pllmode = readl(&crg->crpr) & MB86R0x_CRG_CRPR_PLLMODE; |
| |
| if (pllmode == MB86R0x_CRG_CRPR_PLLMODE_X20) |
| return 40000000; |
| |
| return 41164767; |
| } |
