[ARM] 4193/1: S3C2443: clock register definitions

Clock register definitions for the S3C2443

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

1 files changed, 192 insertions, 0 deletions

diff --git a/include/asm-arm/arch-s3c2410/regs-s3c2443-clock.h b/include/asm-arm/arch-s3c2410/regs-s3c2443-clock.h
new file mode 100644
index 000000000000..e696554f9c21
--- /dev/null
+++ b/include/asm-arm/arch-s3c2410/regs-s3c2443-clock.h
@@ -0,0 +1,192 @@
+/* linux/include/asm-arm/arch-s3c2410/regs-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_PLLCON_OFF              (1<<24)
+
+#define S3C2443_CLKSRC_I2S_EXT          (1<<14)
+#define S3C2443_CLKSRC_I2S_EPLLDIV      (0<<14)
+#define S3C2443_CLKSRC_I2S_EPLLREF      (2<<14)
+#define S3C2443_CLKSRC_I2S_EPLLREF3     (3<<14)
+#define S3C2443_CLKSRC_I2S_MASK         (3<<14)
+
+#define S3C2443_CLKSRC_EPLLREF_XTAL     (2<<8)
+#define S3C2443_CLKSRC_EPLLREF_EXTCLK   (3<<8)
+#define S3C2443_CLKSRC_EPLLREF_MPLLREF  (0<<8)
+#define S3C2443_CLKSRC_EPLLREF_MPLLREF2 (1<<8)
+#define S3C2443_CLKSRC_EPLLREF_MASK     (3<<8)
+
+#define S3C2443_CLKSRC_ESYSCLK_EPLL     (1<<6)
+#define S3C2443_CLKSRC_MSYSCLK_MPLL     (1<<4)
+#define S3C2443_CLKSRC_EXTCLK_DIV       (1<<3)
+
+#define S3C2443_CLKDIV0_DVS             (1<<13)
+#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 */
+
+#define S3C2443_CLKDIV1_CAMDIV_MASK     (15<<26)
+#define S3C2443_CLKDIV1_CAMDIV_SHIFT    (26)
+
+#define S3C2443_CLKDIV1_HSSPIDIV_MASK   (3<<24)
+#define S3C2443_CLKDIV1_HSSPIDIV_SHIFT  (24)
+
+#define S3C2443_CLKDIV1_DISPDIV_MASK    (0xff<<16)
+#define S3C2443_CLKDIV1_DISPDIV_SHIFT   (16)
+
+#define S3C2443_CLKDIV1_I2SDIV_MASK     (15<<12)
+#define S3C2443_CLKDIV1_I2SDIV_SHIFT    (12)
+
+#define S3C2443_CLKDIV1_UARTDIV_MASK    (15<<8)
+#define S3C2443_CLKDIV1_UARTDIV_SHIFT   (8)
+
+#define S3C2443_CLKDIV1_HSMMCDIV_MASK   (3<<6)
+#define S3C2443_CLKDIV1_HSMMCDIV_SHIFT  (6)
+
+#define S3C2443_CLKDIV1_USBHOSTDIV_MASK (3<<4)
+#define S3C2443_CLKDIV1_USBHOSTDIV_SHIFT (4)
+
+#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_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 */
+