2 * Copyright (C) 2006 Atmel Corporation
4 * See file CREDITS for list of people who contributed to this
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.
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.
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,
22 #ifndef __ASM_AVR32_ARCH_CLK_H__
23 #define __ASM_AVR32_ARCH_CLK_H__
26 #define MAIN_CLK_RATE ((CFG_OSC0_HZ / CFG_PLL0_DIV) * CFG_PLL0_MUL)
28 #define MAIN_CLK_RATE (CFG_OSC0_HZ)
31 static inline unsigned long get_cpu_clk_rate(void)
33 return MAIN_CLK_RATE >> CFG_CLKDIV_CPU;
35 static inline unsigned long get_hsb_clk_rate(void)
37 return MAIN_CLK_RATE >> CFG_CLKDIV_HSB;
39 static inline unsigned long get_pba_clk_rate(void)
41 return MAIN_CLK_RATE >> CFG_CLKDIV_PBA;
43 static inline unsigned long get_pbb_clk_rate(void)
45 return MAIN_CLK_RATE >> CFG_CLKDIV_PBB;
48 /* Accessors for specific devices. More will be added as needed. */
49 static inline unsigned long get_sdram_clk_rate(void)
51 return get_hsb_clk_rate();
53 static inline unsigned long get_usart_clk_rate(unsigned int dev_id)
55 return get_pba_clk_rate();
57 static inline unsigned long get_macb_pclk_rate(unsigned int dev_id)
59 return get_pbb_clk_rate();
61 static inline unsigned long get_macb_hclk_rate(unsigned int dev_id)
63 return get_hsb_clk_rate();
65 static inline unsigned long get_mci_clk_rate(void)
67 return get_pbb_clk_rate();
70 #endif /* __ASM_AVR32_ARCH_CLK_H__ */