]>
Commit | Line | Data |
---|---|---|
4a442d31 TL |
1 | /* |
2 | * | |
3 | * (C) Copyright 2000-2003 | |
4 | * Wolfgang Denk, DENX Software Engineering, wd@denx.de. | |
5 | * | |
6 | * Copyright (C) 2004-2007 Freescale Semiconductor, Inc. | |
7 | * TsiChung Liew (Tsi-Chung.Liew@freescale.com) | |
8 | * | |
9 | * See file CREDITS for list of people who contributed to this | |
10 | * project. | |
11 | * | |
12 | * This program is free software; you can redistribute it and/or | |
13 | * modify it under the terms of the GNU General Public License as | |
14 | * published by the Free Software Foundation; either version 2 of | |
15 | * the License, or (at your option) any later version. | |
16 | * | |
17 | * This program is distributed in the hope that it will be useful, | |
18 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
20 | * GNU General Public License for more details. | |
21 | * | |
22 | * You should have received a copy of the GNU General Public License | |
23 | * along with this program; if not, write to the Free Software | |
24 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, | |
25 | * MA 02111-1307 USA | |
26 | */ | |
27 | ||
28 | #include <common.h> | |
29 | #include <asm/processor.h> | |
30 | ||
31 | #include <asm/immap.h> | |
32 | ||
33 | DECLARE_GLOBAL_DATA_PTR; | |
34 | /* | |
35 | * get_clocks() fills in gd->cpu_clock and gd->bus_clk | |
36 | */ | |
37 | int get_clocks(void) | |
38 | { | |
39 | volatile pll_t *pll = (volatile pll_t *)(MMAP_PLL); | |
40 | ||
41 | pll->syncr = PLL_SYNCR_MFD(1); | |
42 | ||
43 | while (!(pll->synsr & PLL_SYNSR_LOCK)); | |
8280f6a1 | 44 | |
6d0f6bcf | 45 | gd->bus_clk = CONFIG_SYS_CLK; |
4a442d31 | 46 | gd->cpu_clk = (gd->bus_clk * 2); |
8280f6a1 | 47 | |
eec567a6 TL |
48 | #ifdef CONFIG_FSL_I2C |
49 | gd->i2c1_clk = gd->bus_clk; | |
50 | #endif | |
51 | ||
4a442d31 TL |
52 | return (0); |
53 | } |