projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 7ca5dc14 FF |
1 | /* |
| 2 | * Carsten Langgaard, carstenl@mips.com | |
| 3 | * Copyright (C) 1999,2000 MIPS Technologies, Inc. All rights reserved. | |
| 4 | * | |
| 5 | * This program is free software; you can distribute it and/or modify it | |
| 6 | * under the terms of the GNU General Public License (Version 2) as | |
| 7 | * published by the Free Software Foundation. | |
| 8 | * | |
| 9 | * This program is distributed in the hope it will be useful, but WITHOUT | |
| 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 12 | * for more details. | |
| 13 | * | |
| 14 | * You should have received a copy of the GNU General Public License along | |
| 15 | * with this program; if not, write to the Free Software Foundation, Inc., | |
| 16 | * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. | |
| 17 | * | |
| 18 | * Setting up the clock on the MIPS boards. | |
| 19 | */ | |
| 20 | ||
| d9c0390a | 21 | #include <linux/init.h> |
| 7ca5dc14 | 22 | #include <linux/time.h> |
| 780019dd FF |
23 | #include <linux/err.h> |
| 24 | #include <linux/clk.h> | |
| 7ca5dc14 FF |
25 | |
| 26 | #include <asm/time.h> | |
| 27 | #include <asm/mach-ar7/ar7.h> | |
| 28 | ||
| 29 | void __init plat_time_init(void) | |
| 30 | { | |
| 780019dd FF |
31 | struct clk *cpu_clk; |
| 32 | ||
| 0bc67917 FF |
33 | /* Initialize ar7 clocks so the CPU clock frequency is correct */ |
| 34 | ar7_init_clocks(); | |
| 35 | ||
| 780019dd FF |
36 | cpu_clk = clk_get(NULL, "cpu"); |
| 37 | if (IS_ERR(cpu_clk)) { | |
| 38 | printk(KERN_ERR "unable to get cpu clock\n"); | |
| 39 | return; | |
| 40 | } | |
| 41 | ||
| 42 | mips_hpt_frequency = clk_get_rate(cpu_clk) / 2; | |
| 7ca5dc14 | 43 | } |