diff options
author | David S. Miller <davem@davemloft.net> | 2008-07-18 02:39:39 -0700 |
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committer | David S. Miller <davem@davemloft.net> | 2008-07-18 02:39:39 -0700 |
commit | 49997d75152b3d23c53b0fa730599f2f74c92c65 (patch) | |
tree | 46e93126170d02cfec9505172e545732c1b69656 /arch/arm/mach-imx/generic.c | |
parent | a0c80b80e0fb48129e4e9d6a9ede914f9ff1850d (diff) | |
parent | 5b664cb235e97afbf34db9c4d77f08ebd725335e (diff) |
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6
Conflicts:
Documentation/powerpc/booting-without-of.txt
drivers/atm/Makefile
drivers/net/fs_enet/fs_enet-main.c
drivers/pci/pci-acpi.c
net/8021q/vlan.c
net/iucv/iucv.c
Diffstat (limited to 'arch/arm/mach-imx/generic.c')
-rw-r--r-- | arch/arm/mach-imx/generic.c | 76 |
1 files changed, 0 insertions, 76 deletions
diff --git a/arch/arm/mach-imx/generic.c b/arch/arm/mach-imx/generic.c index 4cfc9d3af28..98ddd8a6d05 100644 --- a/arch/arm/mach-imx/generic.c +++ b/arch/arm/mach-imx/generic.c @@ -214,82 +214,6 @@ int imx_irq_to_gpio(unsigned irq) EXPORT_SYMBOL(imx_irq_to_gpio); -/* - * get the system pll clock in Hz - * - * mfi + mfn / (mfd +1) - * f = 2 * f_ref * -------------------- - * pd + 1 - */ -static unsigned int imx_decode_pll(unsigned int pll, u32 f_ref) -{ - unsigned long long ll; - unsigned long quot; - - u32 mfi = (pll >> 10) & 0xf; - u32 mfn = pll & 0x3ff; - u32 mfd = (pll >> 16) & 0x3ff; - u32 pd = (pll >> 26) & 0xf; - - mfi = mfi <= 5 ? 5 : mfi; - - ll = 2 * (unsigned long long)f_ref * ( (mfi<<16) + (mfn<<16) / (mfd+1) ); - quot = (pd+1) * (1<<16); - ll += quot / 2; - do_div(ll, quot); - return (unsigned int) ll; -} - -unsigned int imx_get_system_clk(void) -{ - u32 f_ref = (CSCR & CSCR_SYSTEM_SEL) ? 16000000 : (CLK32 * 512); - - return imx_decode_pll(SPCTL0, f_ref); -} -EXPORT_SYMBOL(imx_get_system_clk); - -unsigned int imx_get_mcu_clk(void) -{ - return imx_decode_pll(MPCTL0, CLK32 * 512); -} -EXPORT_SYMBOL(imx_get_mcu_clk); - -/* - * get peripheral clock 1 ( UART[12], Timer[12], PWM ) - */ -unsigned int imx_get_perclk1(void) -{ - return imx_get_system_clk() / (((PCDR) & 0xf)+1); -} -EXPORT_SYMBOL(imx_get_perclk1); - -/* - * get peripheral clock 2 ( LCD, SD, SPI[12] ) - */ -unsigned int imx_get_perclk2(void) -{ - return imx_get_system_clk() / (((PCDR>>4) & 0xf)+1); -} -EXPORT_SYMBOL(imx_get_perclk2); - -/* - * get peripheral clock 3 ( SSI ) - */ -unsigned int imx_get_perclk3(void) -{ - return imx_get_system_clk() / (((PCDR>>16) & 0x7f)+1); -} -EXPORT_SYMBOL(imx_get_perclk3); - -/* - * get hclk ( SDRAM, CSI, Memory Stick, I2C, DMA ) - */ -unsigned int imx_get_hclk(void) -{ - return imx_get_system_clk() / (((CSCR>>10) & 0xf)+1); -} -EXPORT_SYMBOL(imx_get_hclk); - static struct resource imx_mmc_resources[] = { [0] = { .start = 0x00214000, |