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authorJean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>2009-04-16 21:30:44 +0200
committerJean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>2009-04-16 21:30:44 +0200
commitdc39ae9513c32dfeb9e018dc0d22c6484514fefb (patch)
tree136c61b2c9731ddf51ef3e222bbf1e44781c5175 /include/asm-arm/arch-at91/clk.h
parentf75a729b5c1434d5a5bbf453b1b699bf1c3ffbce (diff)
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at91sam9/at91cap: improve clock framework
calculate dynamically the clock rate and pllb setting for usb Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Diffstat (limited to 'include/asm-arm/arch-at91/clk.h')
-rw-r--r--include/asm-arm/arch-at91/clk.h19
1 files changed, 16 insertions, 3 deletions
diff --git a/include/asm-arm/arch-at91/clk.h b/include/asm-arm/arch-at91/clk.h
index 1b502c8..6aaf82e 100644
--- a/include/asm-arm/arch-at91/clk.h
+++ b/include/asm-arm/arch-at91/clk.h
@@ -2,6 +2,7 @@
* (C) Copyright 2007
* Stelian Pop <stelian.pop@leadtechdesign.com>
* Lead Tech Design <www.leadtechdesign.com>
+ * Copyright (C) 2009 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
*
* See file CREDITS for list of people who contributed to this
* project.
@@ -26,20 +27,32 @@
#include <asm/arch/hardware.h>
+unsigned long get_cpu_clk_rate(void);
+unsigned long get_main_clk_rate(void);
+unsigned long get_mck_clk_rate(void);
+unsigned long get_plla_clk_rate(void);
+unsigned long get_pllb_clk_rate(void);
+unsigned int get_pllb_init(void);
+
static inline unsigned long get_macb_pclk_rate(unsigned int dev_id)
{
- return AT91_MASTER_CLOCK;
+ return get_mck_clk_rate();
}
static inline unsigned long get_usart_clk_rate(unsigned int dev_id)
{
- return AT91_MASTER_CLOCK;
+ return get_mck_clk_rate();
}
static inline unsigned long get_lcdc_clk_rate(unsigned int dev_id)
{
- return AT91_MASTER_CLOCK;
+ return get_mck_clk_rate();
}
+static inline unsigned long get_twi_clk_rate(unsigned int dev_id)
+{
+ return get_mck_clk_rate();
+}
+int at91_clock_init(unsigned long main_clock);
#endif /* __ASM_ARM_ARCH_CLK_H__ */