1 files changed, 197 insertions, 0 deletions

diff --git a/arch/arm/mach-s3c2410/include/mach/regs-clock.h b/arch/arm/mach-s3c2410/include/mach/regs-clock.h
new file mode 100644
index 000000000000..d583688458a4
--- /dev/null
+++ b/arch/arm/mach-s3c2410/include/mach/regs-clock.h
@@ -0,0 +1,197 @@
+/* arch/arm/mach-s3c2410/include/mach/regs-clock.h
+ *
+ * Copyright (c) 2003,2004,2005,2006 Simtec Electronics <linux@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.
+ *
+ * S3C2410 clock register definitions
+*/
+
+#ifndef __ASM_ARM_REGS_CLOCK
+#define __ASM_ARM_REGS_CLOCK "$Id: clock.h,v 1.4 2003/04/30 14:50:51 ben Exp $"
+
+#define S3C2410_CLKREG(x) ((x) + S3C24XX_VA_CLKPWR)
+
+#define S3C2410_PLLVAL(_m,_p,_s) ((_m) << 12 | ((_p) << 4) | ((_s)))
+
+#define S3C2410_LOCKTIME    S3C2410_CLKREG(0x00)
+#define S3C2410_MPLLCON     S3C2410_CLKREG(0x04)
+#define S3C2410_UPLLCON     S3C2410_CLKREG(0x08)
+#define S3C2410_CLKCON      S3C2410_CLKREG(0x0C)
+#define S3C2410_CLKSLOW     S3C2410_CLKREG(0x10)
+#define S3C2410_CLKDIVN     S3C2410_CLKREG(0x14)
+
+#define S3C2410_CLKCON_IDLE          (1<<2)
+#define S3C2410_CLKCON_POWER         (1<<3)
+#define S3C2410_CLKCON_NAND          (1<<4)
+#define S3C2410_CLKCON_LCDC          (1<<5)
+#define S3C2410_CLKCON_USBH          (1<<6)
+#define S3C2410_CLKCON_USBD          (1<<7)
+#define S3C2410_CLKCON_PWMT          (1<<8)
+#define S3C2410_CLKCON_SDI           (1<<9)
+#define S3C2410_CLKCON_UART0         (1<<10)
+#define S3C2410_CLKCON_UART1         (1<<11)
+#define S3C2410_CLKCON_UART2         (1<<12)
+#define S3C2410_CLKCON_GPIO          (1<<13)
+#define S3C2410_CLKCON_RTC           (1<<14)
+#define S3C2410_CLKCON_ADC           (1<<15)
+#define S3C2410_CLKCON_IIC           (1<<16)
+#define S3C2410_CLKCON_IIS           (1<<17)
+#define S3C2410_CLKCON_SPI           (1<<18)
+
+#define S3C2410_PLLCON_MDIVSHIFT     12
+#define S3C2410_PLLCON_PDIVSHIFT     4
+#define S3C2410_PLLCON_SDIVSHIFT     0
+#define S3C2410_PLLCON_MDIVMASK      ((1<<(1+(19-12)))-1)
+#define S3C2410_PLLCON_PDIVMASK      ((1<<5)-1)
+#define S3C2410_PLLCON_SDIVMASK      3
+
+/* DCLKCON register addresses in gpio.h */
+
+#define S3C2410_DCLKCON_DCLK0EN      (1<<0)
+#define S3C2410_DCLKCON_DCLK0_PCLK   (0<<1)
+#define S3C2410_DCLKCON_DCLK0_UCLK   (1<<1)
+#define S3C2410_DCLKCON_DCLK0_DIV(x) (((x) - 1 )<<4)
+#define S3C2410_DCLKCON_DCLK0_CMP(x) (((x) - 1 )<<8)
+#define S3C2410_DCLKCON_DCLK0_DIV_MASK ((0xf)<<4)
+#define S3C2410_DCLKCON_DCLK0_CMP_MASK ((0xf)<<8)
+
+#define S3C2410_DCLKCON_DCLK1EN      (1<<16)
+#define S3C2410_DCLKCON_DCLK1_PCLK   (0<<17)
+#define S3C2410_DCLKCON_DCLK1_UCLK   (1<<17)
+#define S3C2410_DCLKCON_DCLK1_DIV(x) (((x) - 1) <<20)
+#define S3C2410_DCLKCON_DCLK1_CMP(x) (((x) - 1) <<24)
+#define S3C2410_DCLKCON_DCLK1_DIV_MASK ((0xf) <<20)
+#define S3C2410_DCLKCON_DCLK1_CMP_MASK ((0xf) <<24)
+
+#define S3C2410_CLKDIVN_PDIVN        (1<<0)
+#define S3C2410_CLKDIVN_HDIVN        (1<<1)
+
+#define S3C2410_CLKSLOW_UCLK_OFF        (1<<7)
+#define S3C2410_CLKSLOW_MPLL_OFF        (1<<5)
+#define S3C2410_CLKSLOW_SLOW            (1<<4)
+#define S3C2410_CLKSLOW_SLOWVAL(x)      (x)
+#define S3C2410_CLKSLOW_GET_SLOWVAL(x)  ((x) & 7)
+
+#ifndef __ASSEMBLY__
+
+#include <asm/div64.h>
+
+static inline unsigned int
+s3c2410_get_pll(unsigned int pllval, unsigned int baseclk)
+{
+        unsigned int mdiv, pdiv, sdiv;
+        uint64_t fvco;
+
+        mdiv = pllval >> S3C2410_PLLCON_MDIVSHIFT;
+        pdiv = pllval >> S3C2410_PLLCON_PDIVSHIFT;
+        sdiv = pllval >> S3C2410_PLLCON_SDIVSHIFT;
+
+        mdiv &= S3C2410_PLLCON_MDIVMASK;
+        pdiv &= S3C2410_PLLCON_PDIVMASK;
+        sdiv &= S3C2410_PLLCON_SDIVMASK;
+
+        fvco = (uint64_t)baseclk * (mdiv + 8);
+        do_div(fvco, (pdiv + 2) << sdiv);
+
+        return (unsigned int)fvco;
+}
+
+#endif /* __ASSEMBLY__ */
+
+#if defined(CONFIG_CPU_S3C2440) || defined(CONFIG_CPU_S3C2442)
+
+/* extra registers */
+#define S3C2440_CAMDIVN     S3C2410_CLKREG(0x18)
+
+#define S3C2440_CLKCON_CAMERA        (1<<19)
+#define S3C2440_CLKCON_AC97          (1<<20)
+
+#define S3C2440_CLKDIVN_PDIVN        (1<<0)
+#define S3C2440_CLKDIVN_HDIVN_MASK   (3<<1)
+#define S3C2440_CLKDIVN_HDIVN_1      (0<<1)
+#define S3C2440_CLKDIVN_HDIVN_2      (1<<1)
+#define S3C2440_CLKDIVN_HDIVN_4_8    (2<<1)
+#define S3C2440_CLKDIVN_HDIVN_3_6    (3<<1)
+#define S3C2440_CLKDIVN_UCLK         (1<<3)
+
+#define S3C2440_CAMDIVN_CAMCLK_MASK  (0xf<<0)
+#define S3C2440_CAMDIVN_CAMCLK_SEL   (1<<4)
+#define S3C2440_CAMDIVN_HCLK3_HALF   (1<<8)
+#define S3C2440_CAMDIVN_HCLK4_HALF   (1<<9)
+#define S3C2440_CAMDIVN_DVSEN        (1<<12)
+
+#define S3C2442_CAMDIVN_CAMCLK_DIV3  (1<<5)
+
+#endif /* CONFIG_CPU_S3C2440 or CONFIG_CPU_S3C2442 */
+
+#if defined(CONFIG_CPU_S3C2412) || defined(CONFIG_CPU_S3C2413)
+
+#define S3C2412_OSCSET          S3C2410_CLKREG(0x18)
+#define S3C2412_CLKSRC          S3C2410_CLKREG(0x1C)
+
+#define S3C2412_PLLCON_OFF              (1<<20)
+
+#define S3C2412_CLKDIVN_PDIVN           (1<<2)
+#define S3C2412_CLKDIVN_HDIVN_MASK      (3<<0)
+#define S3C2412_CLKDIVN_ARMDIVN         (1<<3)
+#define S3C2412_CLKDIVN_DVSEN           (1<<4)
+#define S3C2412_CLKDIVN_HALFHCLK        (1<<5)
+#define S3C2412_CLKDIVN_USB48DIV        (1<<6)
+#define S3C2412_CLKDIVN_UARTDIV_MASK    (15<<8)
+#define S3C2412_CLKDIVN_UARTDIV_SHIFT   (8)
+#define S3C2412_CLKDIVN_I2SDIV_MASK     (15<<12)
+#define S3C2412_CLKDIVN_I2SDIV_SHIFT    (12)
+#define S3C2412_CLKDIVN_CAMDIV_MASK     (15<<16)
+#define S3C2412_CLKDIVN_CAMDIV_SHIFT    (16)
+
+#define S3C2412_CLKCON_WDT              (1<<28)
+#define S3C2412_CLKCON_SPI              (1<<27)
+#define S3C2412_CLKCON_IIS              (1<<26)
+#define S3C2412_CLKCON_IIC              (1<<25)
+#define S3C2412_CLKCON_ADC              (1<<24)
+#define S3C2412_CLKCON_RTC              (1<<23)
+#define S3C2412_CLKCON_GPIO             (1<<22)
+#define S3C2412_CLKCON_UART2            (1<<21)
+#define S3C2412_CLKCON_UART1            (1<<20)
+#define S3C2412_CLKCON_UART0            (1<<19)
+#define S3C2412_CLKCON_SDI              (1<<18)
+#define S3C2412_CLKCON_PWMT             (1<<17)
+#define S3C2412_CLKCON_USBD             (1<<16)
+#define S3C2412_CLKCON_CAMCLK           (1<<15)
+#define S3C2412_CLKCON_UARTCLK          (1<<14)
+/* missing 13 */
+#define S3C2412_CLKCON_USB_HOST48       (1<<12)
+#define S3C2412_CLKCON_USB_DEV48        (1<<11)
+#define S3C2412_CLKCON_HCLKdiv2         (1<<10)
+#define S3C2412_CLKCON_HCLKx2           (1<<9)
+#define S3C2412_CLKCON_SDRAM            (1<<8)
+/* missing 7 */
+#define S3C2412_CLKCON_USBH             S3C2410_CLKCON_USBH
+#define S3C2412_CLKCON_LCDC             S3C2410_CLKCON_LCDC
+#define S3C2412_CLKCON_NAND             S3C2410_CLKCON_NAND
+#define S3C2412_CLKCON_DMA3             (1<<3)
+#define S3C2412_CLKCON_DMA2             (1<<2)
+#define S3C2412_CLKCON_DMA1             (1<<1)
+#define S3C2412_CLKCON_DMA0             (1<<0)
+
+/* clock sourec controls */
+
+#define S3C2412_CLKSRC_EXTCLKDIV_MASK           (7 << 0)
+#define S3C2412_CLKSRC_EXTCLKDIV_SHIFT          (0)
+#define S3C2412_CLKSRC_MDIVCLK_EXTCLKDIV        (1<<3)
+#define S3C2412_CLKSRC_MSYSCLK_MPLL             (1<<4)
+#define S3C2412_CLKSRC_USYSCLK_UPLL             (1<<5)
+#define S3C2412_CLKSRC_UARTCLK_MPLL             (1<<8)
+#define S3C2412_CLKSRC_I2SCLK_MPLL              (1<<9)
+#define S3C2412_CLKSRC_USBCLK_HCLK              (1<<10)
+#define S3C2412_CLKSRC_CAMCLK_HCLK              (1<<11)
+#define S3C2412_CLKSRC_UREFCLK_EXTCLK   (1<<12)
+#define S3C2412_CLKSRC_EREFCLK_EXTCLK   (1<<14)
+
+#endif /* CONFIG_CPU_S3C2412 | CONFIG_CPU_S3C2413 */
+
+#endif /* __ASM_ARM_REGS_CLOCK */