| John Rigby | a3f9d65 | 2011-04-19 10:42:40 +0000 | [diff] [blame] | 1 | /* |
| 2 | * (C) Copyright 2009 ST-Ericsson |
| 3 | * |
| 4 | * See file CREDITS for list of people who contributed to this |
| 5 | * project. |
| 6 | * |
| 7 | * This program is free software; you can redistribute it and/or |
| 8 | * modify it under the terms of the GNU General Public License as |
| 9 | * published by the Free Software Foundation; either version 2 of |
| 10 | * the License, or (at your option) any later version. |
| 11 | * |
| 12 | * This program is distributed in the hope that it will be useful, |
| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 | * GNU General Public License for more details. |
| 16 | * |
| 17 | * You should have received a copy of the GNU General Public License |
| 18 | * along with this program; if not, write to the Free Software |
| 19 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
| 20 | * MA 02111-1307 USA |
| 21 | */ |
| 22 | |
| 23 | #include <common.h> |
| 24 | #include <asm/io.h> |
| 25 | #include <asm/arch/hardware.h> |
| 26 | |
| 27 | DECLARE_GLOBAL_DATA_PTR; |
| 28 | |
| 29 | struct clkrst { |
| 30 | unsigned int pcken; |
| 31 | unsigned int pckdis; |
| 32 | unsigned int kcken; |
| 33 | unsigned int kckdis; |
| 34 | }; |
| 35 | |
| 36 | static unsigned int clkrst_base[] = { |
| 37 | U8500_CLKRST1_BASE, |
| 38 | U8500_CLKRST2_BASE, |
| 39 | U8500_CLKRST3_BASE, |
| 40 | 0, |
| 41 | U8500_CLKRST5_BASE, |
| 42 | U8500_CLKRST6_BASE, |
| 43 | U8500_CLKRST7_BASE, /* ED only */ |
| 44 | }; |
| 45 | |
| 46 | /* Turn on peripheral clock at PRCC level */ |
| 47 | void u8500_clock_enable(int periph, int cluster, int kern) |
| 48 | { |
| 49 | struct clkrst *clkrst = (struct clkrst *) clkrst_base[periph - 1]; |
| 50 | |
| 51 | if (kern != -1) |
| 52 | writel(1 << kern, &clkrst->kcken); |
| 53 | |
| 54 | if (cluster != -1) |
| 55 | writel(1 << cluster, &clkrst->pcken); |
| 56 | } |