mirror of
https://github.com/torvalds/linux
synced 2024-09-28 07:20:56 +00:00
4bed36b2c5
Move more of the core clocks that where left over from the last commit as they are much more core to the system operation. This should allow for easier tracking of any problems. Signed-off-by: Ben Dooks <ben-linux@fluff.org>
166 lines
5 KiB
C
166 lines
5 KiB
C
/* arch/arm/mach-s3c2410/include/mach/regs-s3c2443-clock.h
|
|
*
|
|
* Copyright (c) 2007 Simtec Electronics
|
|
* Ben Dooks <ben@simtec.co.uk>
|
|
* http://armlinux.simtec.co.uk/
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License version 2 as
|
|
* published by the Free Software Foundation.
|
|
*
|
|
* S3C2443 clock register definitions
|
|
*/
|
|
|
|
#ifndef __ASM_ARM_REGS_S3C2443_CLOCK
|
|
#define __ASM_ARM_REGS_S3C2443_CLOCK
|
|
|
|
#define S3C2443_CLKREG(x) ((x) + S3C24XX_VA_CLKPWR)
|
|
|
|
#define S3C2443_PLLCON_MDIVSHIFT 16
|
|
#define S3C2443_PLLCON_PDIVSHIFT 8
|
|
#define S3C2443_PLLCON_SDIVSHIFT 0
|
|
#define S3C2443_PLLCON_MDIVMASK ((1<<(1+(23-16)))-1)
|
|
#define S3C2443_PLLCON_PDIVMASK ((1<<(1+(9-8)))-1)
|
|
#define S3C2443_PLLCON_SDIVMASK (3)
|
|
|
|
#define S3C2443_MPLLCON S3C2443_CLKREG(0x10)
|
|
#define S3C2443_EPLLCON S3C2443_CLKREG(0x18)
|
|
#define S3C2443_CLKSRC S3C2443_CLKREG(0x20)
|
|
#define S3C2443_CLKDIV0 S3C2443_CLKREG(0x24)
|
|
#define S3C2443_CLKDIV1 S3C2443_CLKREG(0x28)
|
|
#define S3C2443_HCLKCON S3C2443_CLKREG(0x30)
|
|
#define S3C2443_PCLKCON S3C2443_CLKREG(0x34)
|
|
#define S3C2443_SCLKCON S3C2443_CLKREG(0x38)
|
|
#define S3C2443_PWRMODE S3C2443_CLKREG(0x40)
|
|
#define S3C2443_SWRST S3C2443_CLKREG(0x44)
|
|
#define S3C2443_BUSPRI0 S3C2443_CLKREG(0x50)
|
|
#define S3C2443_SYSID S3C2443_CLKREG(0x5C)
|
|
#define S3C2443_PWRCFG S3C2443_CLKREG(0x60)
|
|
#define S3C2443_RSTCON S3C2443_CLKREG(0x64)
|
|
|
|
#define S3C2443_SWRST_RESET (0x533c2443)
|
|
|
|
#define S3C2443_PLLCON_OFF (1<<24)
|
|
|
|
#define S3C2443_CLKSRC_EPLLREF_XTAL (2<<7)
|
|
#define S3C2443_CLKSRC_EPLLREF_EXTCLK (3<<7)
|
|
#define S3C2443_CLKSRC_EPLLREF_MPLLREF (0<<7)
|
|
#define S3C2443_CLKSRC_EPLLREF_MPLLREF2 (1<<7)
|
|
#define S3C2443_CLKSRC_EPLLREF_MASK (3<<7)
|
|
|
|
#define S3C2443_CLKSRC_EXTCLK_DIV (1<<3)
|
|
|
|
#define S3C2443_CLKDIV0_HALF_HCLK (1<<3)
|
|
#define S3C2443_CLKDIV0_HALF_PCLK (1<<2)
|
|
|
|
#define S3C2443_CLKDIV0_HCLKDIV_MASK (3<<0)
|
|
|
|
#define S3C2443_CLKDIV0_EXTDIV_MASK (3<<6)
|
|
#define S3C2443_CLKDIV0_EXTDIV_SHIFT (6)
|
|
|
|
#define S3C2443_CLKDIV0_PREDIV_MASK (3<<4)
|
|
#define S3C2443_CLKDIV0_PREDIV_SHIFT (4)
|
|
|
|
#define S3C2443_CLKDIV0_ARMDIV_MASK (15<<9)
|
|
#define S3C2443_CLKDIV0_ARMDIV_SHIFT (9)
|
|
#define S3C2443_CLKDIV0_ARMDIV_1 (0<<9)
|
|
#define S3C2443_CLKDIV0_ARMDIV_2 (8<<9)
|
|
#define S3C2443_CLKDIV0_ARMDIV_3 (2<<9)
|
|
#define S3C2443_CLKDIV0_ARMDIV_4 (9<<9)
|
|
#define S3C2443_CLKDIV0_ARMDIV_6 (10<<9)
|
|
#define S3C2443_CLKDIV0_ARMDIV_8 (11<<9)
|
|
#define S3C2443_CLKDIV0_ARMDIV_12 (13<<9)
|
|
#define S3C2443_CLKDIV0_ARMDIV_16 (15<<9)
|
|
|
|
/* S3C2443_CLKDIV1 removed, only used in clock.c code */
|
|
|
|
#define S3C2443_CLKCON_NAND
|
|
|
|
#define S3C2443_HCLKCON_DMA0 (1<<0)
|
|
#define S3C2443_HCLKCON_DMA1 (1<<1)
|
|
#define S3C2443_HCLKCON_DMA2 (1<<2)
|
|
#define S3C2443_HCLKCON_DMA3 (1<<3)
|
|
#define S3C2443_HCLKCON_DMA4 (1<<4)
|
|
#define S3C2443_HCLKCON_DMA5 (1<<5)
|
|
#define S3C2443_HCLKCON_CAMIF (1<<8)
|
|
#define S3C2443_HCLKCON_DISP (1<<9)
|
|
#define S3C2443_HCLKCON_LCDC (1<<10)
|
|
#define S3C2443_HCLKCON_USBH (1<<11)
|
|
#define S3C2443_HCLKCON_USBD (1<<12)
|
|
#define S3C2443_HCLKCON_HSMMC (1<<16)
|
|
#define S3C2443_HCLKCON_CFC (1<<17)
|
|
#define S3C2443_HCLKCON_SSMC (1<<18)
|
|
#define S3C2443_HCLKCON_DRAMC (1<<19)
|
|
|
|
#define S3C2443_PCLKCON_UART0 (1<<0)
|
|
#define S3C2443_PCLKCON_UART1 (1<<1)
|
|
#define S3C2443_PCLKCON_UART2 (1<<2)
|
|
#define S3C2443_PCLKCON_UART3 (1<<3)
|
|
#define S3C2443_PCLKCON_IIC (1<<4)
|
|
#define S3C2443_PCLKCON_SDI (1<<5)
|
|
#define S3C2443_PCLKCON_ADC (1<<7)
|
|
#define S3C2443_PCLKCON_AC97 (1<<8)
|
|
#define S3C2443_PCLKCON_IIS (1<<9)
|
|
#define S3C2443_PCLKCON_PWMT (1<<10)
|
|
#define S3C2443_PCLKCON_WDT (1<<11)
|
|
#define S3C2443_PCLKCON_RTC (1<<12)
|
|
#define S3C2443_PCLKCON_GPIO (1<<13)
|
|
#define S3C2443_PCLKCON_SPI0 (1<<14)
|
|
#define S3C2443_PCLKCON_SPI1 (1<<15)
|
|
|
|
#define S3C2443_SCLKCON_DDRCLK (1<<16)
|
|
#define S3C2443_SCLKCON_SSMCCLK (1<<15)
|
|
#define S3C2443_SCLKCON_HSSPICLK (1<<14)
|
|
#define S3C2443_SCLKCON_HSMMCCLK_EXT (1<<13)
|
|
#define S3C2443_SCLKCON_HSMMCCLK_EPLL (1<<12)
|
|
#define S3C2443_SCLKCON_CAMCLK (1<<11)
|
|
#define S3C2443_SCLKCON_DISPCLK (1<<10)
|
|
#define S3C2443_SCLKCON_I2SCLK (1<<9)
|
|
#define S3C2443_SCLKCON_UARTCLK (1<<8)
|
|
#define S3C2443_SCLKCON_USBHOST (1<<1)
|
|
|
|
#include <asm/div64.h>
|
|
|
|
static inline unsigned int
|
|
s3c2443_get_mpll(unsigned int pllval, unsigned int baseclk)
|
|
{
|
|
unsigned int mdiv, pdiv, sdiv;
|
|
uint64_t fvco;
|
|
|
|
mdiv = pllval >> S3C2443_PLLCON_MDIVSHIFT;
|
|
pdiv = pllval >> S3C2443_PLLCON_PDIVSHIFT;
|
|
sdiv = pllval >> S3C2443_PLLCON_SDIVSHIFT;
|
|
|
|
mdiv &= S3C2443_PLLCON_MDIVMASK;
|
|
pdiv &= S3C2443_PLLCON_PDIVMASK;
|
|
sdiv &= S3C2443_PLLCON_SDIVMASK;
|
|
|
|
fvco = (uint64_t)baseclk * (2 * (mdiv + 8));
|
|
do_div(fvco, pdiv << sdiv);
|
|
|
|
return (unsigned int)fvco;
|
|
}
|
|
|
|
static inline unsigned int
|
|
s3c2443_get_epll(unsigned int pllval, unsigned int baseclk)
|
|
{
|
|
unsigned int mdiv, pdiv, sdiv;
|
|
uint64_t fvco;
|
|
|
|
mdiv = pllval >> S3C2443_PLLCON_MDIVSHIFT;
|
|
pdiv = pllval >> S3C2443_PLLCON_PDIVSHIFT;
|
|
sdiv = pllval >> S3C2443_PLLCON_SDIVSHIFT;
|
|
|
|
mdiv &= S3C2443_PLLCON_MDIVMASK;
|
|
pdiv &= S3C2443_PLLCON_PDIVMASK;
|
|
sdiv &= S3C2443_PLLCON_SDIVMASK;
|
|
|
|
fvco = (uint64_t)baseclk * (mdiv + 8);
|
|
do_div(fvco, (pdiv + 2) << sdiv);
|
|
|
|
return (unsigned int)fvco;
|
|
}
|
|
|
|
#endif /* __ASM_ARM_REGS_S3C2443_CLOCK */
|
|
|