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diff --git a/arch/arm/mach-s3c24xx/include/mach/regs-dsc.h b/arch/arm/mach-s3c24xx/include/mach/regs-dsc.h
new file mode 100644
index 0000000..98fd4a0
--- /dev/null
+++ b/arch/arm/mach-s3c24xx/include/mach/regs-dsc.h
@@ -0,0 +1,220 @@
+/* arch/arm/mach-s3c2410/include/mach/regs-dsc.h
+ *
+ * Copyright (c) 2004 Simtec Electronics <linux@simtec.co.uk>
+ * http://www.simtec.co.uk/products/SWLINUX/
+ *
+ * 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.
+ *
+ * S3C2440/S3C2412 Signal Drive Strength Control
+*/
+
+
+#ifndef __ASM_ARCH_REGS_DSC_H
+#define __ASM_ARCH_REGS_DSC_H "2440-dsc"
+
+#if defined(CONFIG_CPU_S3C2412)
+#define S3C2412_DSC0 S3C2410_GPIOREG(0xdc)
+#define S3C2412_DSC1 S3C2410_GPIOREG(0xe0)
+#endif
+
+#if defined(CONFIG_CPU_S3C2416)
+#define S3C2416_DSC0 S3C2410_GPIOREG(0xc0)
+#define S3C2416_DSC1 S3C2410_GPIOREG(0xc4)
+#define S3C2416_DSC2 S3C2410_GPIOREG(0xc8)
+#define S3C2416_DSC3 S3C2410_GPIOREG(0x110)
+
+#define S3C2416_SELECT_DSC0 (0 << 30)
+#define S3C2416_SELECT_DSC1 (1 << 30)
+#define S3C2416_SELECT_DSC2 (2 << 30)
+#define S3C2416_SELECT_DSC3 (3 << 30)
+
+#define S3C2416_DSC_GETSHIFT(x) (x & 30)
+
+#define S3C2416_DSC0_CF (S3C2416_SELECT_DSC0 | 28)
+#define S3C2416_DSC0_CF_5mA (0 << 28)
+#define S3C2416_DSC0_CF_10mA (1 << 28)
+#define S3C2416_DSC0_CF_15mA (2 << 28)
+#define S3C2416_DSC0_CF_21mA (3 << 28)
+#define S3C2416_DSC0_CF_MASK (3 << 28)
+
+#define S3C2416_DSC0_nRBE (S3C2416_SELECT_DSC0 | 26)
+#define S3C2416_DSC0_nRBE_5mA (0 << 26)
+#define S3C2416_DSC0_nRBE_10mA (1 << 26)
+#define S3C2416_DSC0_nRBE_15mA (2 << 26)
+#define S3C2416_DSC0_nRBE_21mA (3 << 26)
+#define S3C2416_DSC0_nRBE_MASK (3 << 26)
+
+#define S3C2416_DSC0_nROE (S3C2416_SELECT_DSC0 | 24)
+#define S3C2416_DSC0_nROE_5mA (0 << 24)
+#define S3C2416_DSC0_nROE_10mA (1 << 24)
+#define S3C2416_DSC0_nROE_15mA (2 << 24)
+#define S3C2416_DSC0_nROE_21mA (3 << 24)
+#define S3C2416_DSC0_nROE_MASK (3 << 24)
+
+#endif
+
+#if defined(CONFIG_CPU_S3C244X)
+
+#define S3C2440_DSC0 S3C2410_GPIOREG(0xc4)
+#define S3C2440_DSC1 S3C2410_GPIOREG(0xc8)
+
+#define S3C2440_SELECT_DSC0 (0)
+#define S3C2440_SELECT_DSC1 (1<<31)
+
+#define S3C2440_DSC_GETSHIFT(x) ((x) & 31)
+
+#define S3C2440_DSC0_DISABLE (1<<31)
+
+#define S3C2440_DSC0_ADDR (S3C2440_SELECT_DSC0 | 8)
+#define S3C2440_DSC0_ADDR_12mA (0<<8)
+#define S3C2440_DSC0_ADDR_10mA (1<<8)
+#define S3C2440_DSC0_ADDR_8mA (2<<8)
+#define S3C2440_DSC0_ADDR_6mA (3<<8)
+#define S3C2440_DSC0_ADDR_MASK (3<<8)
+
+/* D24..D31 */
+#define S3C2440_DSC0_DATA3 (S3C2440_SELECT_DSC0 | 6)
+#define S3C2440_DSC0_DATA3_12mA (0<<6)
+#define S3C2440_DSC0_DATA3_10mA (1<<6)
+#define S3C2440_DSC0_DATA3_8mA (2<<6)
+#define S3C2440_DSC0_DATA3_6mA (3<<6)
+#define S3C2440_DSC0_DATA3_MASK (3<<6)
+
+/* D16..D23 */
+#define S3C2440_DSC0_DATA2 (S3C2440_SELECT_DSC0 | 4)
+#define S3C2440_DSC0_DATA2_12mA (0<<4)
+#define S3C2440_DSC0_DATA2_10mA (1<<4)
+#define S3C2440_DSC0_DATA2_8mA (2<<4)
+#define S3C2440_DSC0_DATA2_6mA (3<<4)
+#define S3C2440_DSC0_DATA2_MASK (3<<4)
+
+/* D8..D15 */
+#define S3C2440_DSC0_DATA1 (S3C2440_SELECT_DSC0 | 2)
+#define S3C2440_DSC0_DATA1_12mA (0<<2)
+#define S3C2440_DSC0_DATA1_10mA (1<<2)
+#define S3C2440_DSC0_DATA1_8mA (2<<2)
+#define S3C2440_DSC0_DATA1_6mA (3<<2)
+#define S3C2440_DSC0_DATA1_MASK (3<<2)
+
+/* D0..D7 */
+#define S3C2440_DSC0_DATA0 (S3C2440_SELECT_DSC0 | 0)
+#define S3C2440_DSC0_DATA0_12mA (0<<0)
+#define S3C2440_DSC0_DATA0_10mA (1<<0)
+#define S3C2440_DSC0_DATA0_8mA (2<<0)
+#define S3C2440_DSC0_DATA0_6mA (3<<0)
+#define S3C2440_DSC0_DATA0_MASK (3<<0)
+
+#define S3C2440_DSC1_SCK1 (S3C2440_SELECT_DSC1 | 28)
+#define S3C2440_DSC1_SCK1_12mA (0<<28)
+#define S3C2440_DSC1_SCK1_10mA (1<<28)
+#define S3C2440_DSC1_SCK1_8mA (2<<28)
+#define S3C2440_DSC1_SCK1_6mA (3<<28)
+#define S3C2440_DSC1_SCK1_MASK (3<<28)
+
+#define S3C2440_DSC1_SCK0 (S3C2440_SELECT_DSC1 | 26)
+#define S3C2440_DSC1_SCK0_12mA (0<<26)
+#define S3C2440_DSC1_SCK0_10mA (1<<26)
+#define S3C2440_DSC1_SCK0_8mA (2<<26)
+#define S3C2440_DSC1_SCK0_6mA (3<<26)
+#define S3C2440_DSC1_SCK0_MASK (3<<26)
+
+#define S3C2440_DSC1_SCKE (S3C2440_SELECT_DSC1 | 24)
+#define S3C2440_DSC1_SCKE_10mA (0<<24)
+#define S3C2440_DSC1_SCKE_8mA (1<<24)
+#define S3C2440_DSC1_SCKE_6mA (2<<24)
+#define S3C2440_DSC1_SCKE_4mA (3<<24)
+#define S3C2440_DSC1_SCKE_MASK (3<<24)
+
+/* SDRAM nRAS/nCAS */
+#define S3C2440_DSC1_SDR (S3C2440_SELECT_DSC1 | 22)
+#define S3C2440_DSC1_SDR_10mA (0<<22)
+#define S3C2440_DSC1_SDR_8mA (1<<22)
+#define S3C2440_DSC1_SDR_6mA (2<<22)
+#define S3C2440_DSC1_SDR_4mA (3<<22)
+#define S3C2440_DSC1_SDR_MASK (3<<22)
+
+/* NAND Flash Controller */
+#define S3C2440_DSC1_NFC (S3C2440_SELECT_DSC1 | 20)
+#define S3C2440_DSC1_NFC_10mA (0<<20)
+#define S3C2440_DSC1_NFC_8mA (1<<20)
+#define S3C2440_DSC1_NFC_6mA (2<<20)
+#define S3C2440_DSC1_NFC_4mA (3<<20)
+#define S3C2440_DSC1_NFC_MASK (3<<20)
+
+/* nBE[0..3] */
+#define S3C2440_DSC1_nBE (S3C2440_SELECT_DSC1 | 18)
+#define S3C2440_DSC1_nBE_10mA (0<<18)
+#define S3C2440_DSC1_nBE_8mA (1<<18)
+#define S3C2440_DSC1_nBE_6mA (2<<18)
+#define S3C2440_DSC1_nBE_4mA (3<<18)
+#define S3C2440_DSC1_nBE_MASK (3<<18)
+
+#define S3C2440_DSC1_WOE (S3C2440_SELECT_DSC1 | 16)
+#define S3C2440_DSC1_WOE_10mA (0<<16)
+#define S3C2440_DSC1_WOE_8mA (1<<16)
+#define S3C2440_DSC1_WOE_6mA (2<<16)
+#define S3C2440_DSC1_WOE_4mA (3<<16)
+#define S3C2440_DSC1_WOE_MASK (3<<16)
+
+#define S3C2440_DSC1_CS7 (S3C2440_SELECT_DSC1 | 14)
+#define S3C2440_DSC1_CS7_10mA (0<<14)
+#define S3C2440_DSC1_CS7_8mA (1<<14)
+#define S3C2440_DSC1_CS7_6mA (2<<14)
+#define S3C2440_DSC1_CS7_4mA (3<<14)
+#define S3C2440_DSC1_CS7_MASK (3<<14)
+
+#define S3C2440_DSC1_CS6 (S3C2440_SELECT_DSC1 | 12)
+#define S3C2440_DSC1_CS6_10mA (0<<12)
+#define S3C2440_DSC1_CS6_8mA (1<<12)
+#define S3C2440_DSC1_CS6_6mA (2<<12)
+#define S3C2440_DSC1_CS6_4mA (3<<12)
+#define S3C2440_DSC1_CS6_MASK (3<<12)
+
+#define S3C2440_DSC1_CS5 (S3C2440_SELECT_DSC1 | 10)
+#define S3C2440_DSC1_CS5_10mA (0<<10)
+#define S3C2440_DSC1_CS5_8mA (1<<10)
+#define S3C2440_DSC1_CS5_6mA (2<<10)
+#define S3C2440_DSC1_CS5_4mA (3<<10)
+#define S3C2440_DSC1_CS5_MASK (3<<10)
+
+#define S3C2440_DSC1_CS4 (S3C2440_SELECT_DSC1 | 8)
+#define S3C2440_DSC1_CS4_10mA (0<<8)
+#define S3C2440_DSC1_CS4_8mA (1<<8)
+#define S3C2440_DSC1_CS4_6mA (2<<8)
+#define S3C2440_DSC1_CS4_4mA (3<<8)
+#define S3C2440_DSC1_CS4_MASK (3<<8)
+
+#define S3C2440_DSC1_CS3 (S3C2440_SELECT_DSC1 | 6)
+#define S3C2440_DSC1_CS3_10mA (0<<6)
+#define S3C2440_DSC1_CS3_8mA (1<<6)
+#define S3C2440_DSC1_CS3_6mA (2<<6)
+#define S3C2440_DSC1_CS3_4mA (3<<6)
+#define S3C2440_DSC1_CS3_MASK (3<<6)
+
+#define S3C2440_DSC1_CS2 (S3C2440_SELECT_DSC1 | 4)
+#define S3C2440_DSC1_CS2_10mA (0<<4)
+#define S3C2440_DSC1_CS2_8mA (1<<4)
+#define S3C2440_DSC1_CS2_6mA (2<<4)
+#define S3C2440_DSC1_CS2_4mA (3<<4)
+#define S3C2440_DSC1_CS2_MASK (3<<4)
+
+#define S3C2440_DSC1_CS1 (S3C2440_SELECT_DSC1 | 2)
+#define S3C2440_DSC1_CS1_10mA (0<<2)
+#define S3C2440_DSC1_CS1_8mA (1<<2)
+#define S3C2440_DSC1_CS1_6mA (2<<2)
+#define S3C2440_DSC1_CS1_4mA (3<<2)
+#define S3C2440_DSC1_CS1_MASK (3<<2)
+
+#define S3C2440_DSC1_CS0 (S3C2440_SELECT_DSC1 | 0)
+#define S3C2440_DSC1_CS0_10mA (0<<0)
+#define S3C2440_DSC1_CS0_8mA (1<<0)
+#define S3C2440_DSC1_CS0_6mA (2<<0)
+#define S3C2440_DSC1_CS0_4mA (3<<0)
+#define S3C2440_DSC1_CS0_MASK (3<<0)
+
+#endif /* CONFIG_CPU_S3C2440 */
+
+#endif /* __ASM_ARCH_REGS_DSC_H */
+