Merge http://ftp.arm.linux.org.uk/pub/linux/arm/kernel/git-cur/linux-2.6-arm into for-rmk

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 */