diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-07-14 16:06:58 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-07-14 16:06:58 -0700 |
commit | 85082fd7cbe3173198aac0eb5e85ab1edcc6352c (patch) | |
tree | edbc09b7945994f78668d218fa02e991c3b3b365 /arch/arm/mach-imx/generic.c | |
parent | 666484f0250db2e016948d63b3ef33e202e3b8d0 (diff) | |
parent | 53ffe3b440aa85af6fc4eda09b2d44bcdd312d4d (diff) |
Merge branch 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm: (241 commits)
[ARM] 5171/1: ep93xx: fix compilation of modules using clocks
[ARM] 5133/2: at91sam9g20 defconfig file
[ARM] 5130/4: Support for the at91sam9g20
[ARM] 5160/1: IOP3XX: gpio/gpiolib support
[ARM] at91: Fix NAND FLASH timings for at91sam9x evaluation kits.
[ARM] 5084/1: zylonite: Register AC97 device
[ARM] 5085/2: PXA: Move AC97 over to the new central device declaration model
[ARM] 5120/1: pxa: correct platform driver names for PXA25x and PXA27x UDC drivers
[ARM] 5147/1: pxaficp_ir: drop pxa_gpio_mode calls, as pin setting
[ARM] 5145/1: PXA2xx: provide api to control IrDA pins state
[ARM] 5144/1: pxaficp_ir: cleanup includes
[ARM] pxa: remove pxa_set_cken()
[ARM] pxa: allow clk aliases
[ARM] Feroceon: don't disable BPU on boot
[ARM] Orion: LED support for HP mv2120
[ARM] Orion: add RD88F5181L-FXO support
[ARM] Orion: add RD88F5181L-GE support
[ARM] Orion: add Netgear WNR854T support
[ARM] s3c2410_defconfig: update for current build
[ARM] Acer n30: Minor style and indentation fixes.
...
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, |