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authorLinus Torvalds <torvalds@woody.linux-foundation.org>2007-03-12 15:31:43 -0400
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-03-12 15:31:43 -0400
commit529284a0b649499351495949d05fa3359121cbae (patch)
tree9b33459a8f720313eeee469bfe18eeb5052246d2 /arch/arm/mach-imx/generic.c
parentbe521466feb3bb1cd89de82a2b1d080e9ebd3cb6 (diff)
parent1dee79087c8b0f3239a2979f61ed92c7a5361b08 (diff)
Merge master.kernel.org:/home/rmk/linux-2.6-arm
* master.kernel.org:/home/rmk/linux-2.6-arm: [ARM] 4263/1: fix IXP4XX_NPE[ABC]_BASE_VIRT address [ARM] 4256/1: i.MX/MX1 SDHC fix/workaround of SD card recognition problems [ARM] 4255/1: i.MX/MX1 Correct MPU PLL reference clock value. [ARM] 4254/1: i.MX/MX1 CPU Frequency scaling honor boot loader set BCLK_DIV. [ARM] 4251/1: Fix sharpsl_pm dependency [ARM] 4250/1: Fix locomo backlight conversion error/compile failure [ARM] 4249/1: Fix tosa compile failure [ARM] 4248/1: lh7a40x: fix missing definitions for get_irqnr_preamble [ARM] 4247/1: Fix long name for cc9p9360dev ARM: OMAP: Fix OMAP2 dss2 so clk_set_parent works ARM: OMAP: Fix missing workqueue include in board-h2.c ARM: OMAP: Include missing header
Diffstat (limited to 'arch/arm/mach-imx/generic.c')
-rw-r--r--arch/arm/mach-imx/generic.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/arch/arm/mach-imx/generic.c b/arch/arm/mach-imx/generic.c
index b5aa49d00ca3..7a7fa51ec62c 100644
--- a/arch/arm/mach-imx/generic.c
+++ b/arch/arm/mach-imx/generic.c
@@ -102,7 +102,7 @@ EXPORT_SYMBOL(imx_gpio_mode);
102 * f = 2 * f_ref * -------------------- 102 * f = 2 * f_ref * --------------------
103 * pd + 1 103 * pd + 1
104 */ 104 */
105static unsigned int imx_decode_pll(unsigned int pll) 105static unsigned int imx_decode_pll(unsigned int pll, u32 f_ref)
106{ 106{
107 unsigned long long ll; 107 unsigned long long ll;
108 unsigned long quot; 108 unsigned long quot;
@@ -111,7 +111,6 @@ static unsigned int imx_decode_pll(unsigned int pll)
111 u32 mfn = pll & 0x3ff; 111 u32 mfn = pll & 0x3ff;
112 u32 mfd = (pll >> 16) & 0x3ff; 112 u32 mfd = (pll >> 16) & 0x3ff;
113 u32 pd = (pll >> 26) & 0xf; 113 u32 pd = (pll >> 26) & 0xf;
114 u32 f_ref = (CSCR & CSCR_SYSTEM_SEL) ? 16000000 : (CLK32 * 512);
115 114
116 mfi = mfi <= 5 ? 5 : mfi; 115 mfi = mfi <= 5 ? 5 : mfi;
117 116
@@ -124,13 +123,15 @@ static unsigned int imx_decode_pll(unsigned int pll)
124 123
125unsigned int imx_get_system_clk(void) 124unsigned int imx_get_system_clk(void)
126{ 125{
127 return imx_decode_pll(SPCTL0); 126 u32 f_ref = (CSCR & CSCR_SYSTEM_SEL) ? 16000000 : (CLK32 * 512);
127
128 return imx_decode_pll(SPCTL0, f_ref);
128} 129}
129EXPORT_SYMBOL(imx_get_system_clk); 130EXPORT_SYMBOL(imx_get_system_clk);
130 131
131unsigned int imx_get_mcu_clk(void) 132unsigned int imx_get_mcu_clk(void)
132{ 133{
133 return imx_decode_pll(MPCTL0); 134 return imx_decode_pll(MPCTL0, CLK32 * 512);
134} 135}
135EXPORT_SYMBOL(imx_get_mcu_clk); 136EXPORT_SYMBOL(imx_get_mcu_clk);
136 137