]> git.kernelconcepts.de Git - karo-tx-uboot.git/blobdiff - arch/arm/cpu/armv7/exynos/exynos5_setup.h
Update from 2013.01 to 2013.07
[karo-tx-uboot.git] / arch / arm / cpu / armv7 / exynos / exynos5_setup.h
diff --git a/arch/arm/cpu/armv7/exynos/exynos5_setup.h b/arch/arm/cpu/armv7/exynos/exynos5_setup.h
new file mode 100644 (file)
index 0000000..696b386
--- /dev/null
@@ -0,0 +1,551 @@
+/*
+ * Machine Specific Values for SMDK5250 board based on EXYNOS5
+ *
+ * Copyright (C) 2012 Samsung Electronics
+ *
+ * SPDX-License-Identifier:    GPL-2.0+
+ */
+
+#ifndef _SMDK5250_SETUP_H
+#define _SMDK5250_SETUP_H
+
+#include <config.h>
+#include <asm/arch/dmc.h>
+
+/* APLL_CON1   */
+#define APLL_CON1_VAL  (0x00203800)
+
+/* MPLL_CON1   */
+#define MPLL_CON1_VAL   (0x00203800)
+
+/* CPLL_CON1   */
+#define CPLL_CON1_VAL  (0x00203800)
+
+/* GPLL_CON1   */
+#define GPLL_CON1_VAL  (0x00203800)
+
+/* EPLL_CON1, CON2     */
+#define EPLL_CON1_VAL  0x00000000
+#define EPLL_CON2_VAL  0x00000080
+
+/* VPLL_CON1, CON2     */
+#define VPLL_CON1_VAL  0x00000000
+#define VPLL_CON2_VAL  0x00000080
+
+/* BPLL_CON1   */
+#define BPLL_CON1_VAL  0x00203800
+
+/* Set PLL */
+#define set_pll(mdiv, pdiv, sdiv)      (1<<31 | mdiv<<16 | pdiv<<8 | sdiv)
+
+/* CLK_SRC_CPU */
+/* 0 = MOUTAPLL,  1 = SCLKMPLL */
+#define MUX_HPM_SEL             0
+#define MUX_CPU_SEL             0
+#define MUX_APLL_SEL            1
+
+#define CLK_SRC_CPU_VAL                ((MUX_HPM_SEL << 20)    \
+                               | (MUX_CPU_SEL << 16)  \
+                               | (MUX_APLL_SEL))
+
+/* MEMCONTROL register bit fields */
+#define DMC_MEMCONTROL_CLK_STOP_DISABLE        (0 << 0)
+#define DMC_MEMCONTROL_DPWRDN_DISABLE  (0 << 1)
+#define DMC_MEMCONTROL_DPWRDN_ACTIVE_PRECHARGE (0 << 2)
+#define DMC_MEMCONTROL_TP_DISABLE      (0 << 4)
+#define DMC_MEMCONTROL_DSREF_DISABLE   (0 << 5)
+#define DMC_MEMCONTROL_DSREF_ENABLE    (1 << 5)
+#define DMC_MEMCONTROL_ADD_LAT_PALL_CYCLE(x)    (x << 6)
+
+#define DMC_MEMCONTROL_MEM_TYPE_LPDDR3  (7 << 8)
+#define DMC_MEMCONTROL_MEM_TYPE_DDR3    (6 << 8)
+#define DMC_MEMCONTROL_MEM_TYPE_LPDDR2  (5 << 8)
+
+#define DMC_MEMCONTROL_MEM_WIDTH_32BIT  (2 << 12)
+
+#define DMC_MEMCONTROL_NUM_CHIP_1       (0 << 16)
+#define DMC_MEMCONTROL_NUM_CHIP_2       (1 << 16)
+
+#define DMC_MEMCONTROL_BL_8             (3 << 20)
+#define DMC_MEMCONTROL_BL_4             (2 << 20)
+
+#define DMC_MEMCONTROL_PZQ_DISABLE      (0 << 24)
+
+#define DMC_MEMCONTROL_MRR_BYTE_7_0     (0 << 25)
+#define DMC_MEMCONTROL_MRR_BYTE_15_8    (1 << 25)
+#define DMC_MEMCONTROL_MRR_BYTE_23_16   (2 << 25)
+#define DMC_MEMCONTROL_MRR_BYTE_31_24   (3 << 25)
+
+/* MEMCONFIG0 register bit fields */
+#define DMC_MEMCONFIGX_CHIP_MAP_INTERLEAVED     (1 << 12)
+#define DMC_MEMCONFIGX_CHIP_COL_10              (3 << 8)
+#define DMC_MEMCONFIGX_CHIP_ROW_14              (2 << 4)
+#define DMC_MEMCONFIGX_CHIP_ROW_15              (3 << 4)
+#define DMC_MEMCONFIGX_CHIP_BANK_8              (3 << 0)
+
+#define DMC_MEMBASECONFIGX_CHIP_BASE(x)         (x << 16)
+#define DMC_MEMBASECONFIGX_CHIP_MASK(x)         (x << 0)
+#define DMC_MEMBASECONFIG_VAL(x)        (       \
+       DMC_MEMBASECONFIGX_CHIP_BASE(x) |       \
+       DMC_MEMBASECONFIGX_CHIP_MASK(0x780)     \
+)
+
+#define DMC_MEMBASECONFIG0_VAL  DMC_MEMBASECONFIG_VAL(0x40)
+#define DMC_MEMBASECONFIG1_VAL  DMC_MEMBASECONFIG_VAL(0x80)
+
+#define DMC_PRECHCONFIG_VAL             0xFF000000
+#define DMC_PWRDNCONFIG_VAL             0xFFFF00FF
+
+#define DMC_CONCONTROL_RESET_VAL       0x0FFF0000
+#define DFI_INIT_START         (1 << 28)
+#define EMPTY                  (1 << 8)
+#define AREF_EN                        (1 << 5)
+
+#define DFI_INIT_COMPLETE_CHO  (1 << 2)
+#define DFI_INIT_COMPLETE_CH1  (1 << 3)
+
+#define RDLVL_COMPLETE_CHO     (1 << 14)
+#define RDLVL_COMPLETE_CH1     (1 << 15)
+
+#define CLK_STOP_EN    (1 << 0)
+#define DPWRDN_EN      (1 << 1)
+#define DSREF_EN       (1 << 5)
+
+/* COJCONTROL register bit fields */
+#define DMC_CONCONTROL_IO_PD_CON_DISABLE       (0 << 3)
+#define DMC_CONCONTROL_AREF_EN_DISABLE         (0 << 5)
+#define DMC_CONCONTROL_EMPTY_DISABLE           (0 << 8)
+#define DMC_CONCONTROL_EMPTY_ENABLE            (1 << 8)
+#define DMC_CONCONTROL_RD_FETCH_DISABLE                (0x0 << 12)
+#define DMC_CONCONTROL_TIMEOUT_LEVEL0          (0xFFF << 16)
+#define DMC_CONCONTROL_DFI_INIT_START_DISABLE  (0 << 28)
+
+/* CLK_DIV_CPU0_VAL */
+#define CLK_DIV_CPU0_VAL       ((ARM2_RATIO << 28)             \
+                               | (APLL_RATIO << 24)            \
+                               | (PCLK_DBG_RATIO << 20)        \
+                               | (ATB_RATIO << 16)             \
+                               | (PERIPH_RATIO << 12)          \
+                               | (ACP_RATIO << 8)              \
+                               | (CPUD_RATIO << 4)             \
+                               | (ARM_RATIO))
+
+
+/* CLK_FSYS */
+#define CLK_SRC_FSYS0_VAL              0x66666
+#define CLK_DIV_FSYS0_VAL             0x0BB00000
+
+/* CLK_DIV_CPU1        */
+#define HPM_RATIO               0x2
+#define COPY_RATIO              0x0
+
+/* CLK_DIV_CPU1 = 0x00000003 */
+#define CLK_DIV_CPU1_VAL        ((HPM_RATIO << 4)              \
+                               | (COPY_RATIO))
+
+/* CLK_SRC_CORE0 */
+#define CLK_SRC_CORE0_VAL       0x00000000
+
+/* CLK_SRC_CORE1 */
+#define CLK_SRC_CORE1_VAL       0x100
+
+/* CLK_DIV_CORE0 */
+#define CLK_DIV_CORE0_VAL       0x00120000
+
+/* CLK_DIV_CORE1 */
+#define CLK_DIV_CORE1_VAL       0x07070700
+
+/* CLK_DIV_SYSRGT */
+#define CLK_DIV_SYSRGT_VAL      0x00000111
+
+/* CLK_DIV_ACP */
+#define CLK_DIV_ACP_VAL         0x12
+
+/* CLK_DIV_SYSLFT */
+#define CLK_DIV_SYSLFT_VAL      0x00000311
+
+/* CLK_SRC_CDREX */
+#define CLK_SRC_CDREX_VAL       0x1
+
+/* CLK_DIV_CDREX */
+#define MCLK_CDREX2_RATIO       0x0
+#define ACLK_EFCON_RATIO        0x1
+#define MCLK_DPHY_RATIO                0x1
+#define MCLK_CDREX_RATIO       0x1
+#define ACLK_C2C_200_RATIO     0x1
+#define C2C_CLK_400_RATIO      0x1
+#define PCLK_CDREX_RATIO       0x1
+#define ACLK_CDREX_RATIO       0x1
+
+#define CLK_DIV_CDREX_VAL      ((MCLK_DPHY_RATIO << 24)        \
+                               | (C2C_CLK_400_RATIO << 6)      \
+                               | (PCLK_CDREX_RATIO << 4)       \
+                               | (ACLK_CDREX_RATIO))
+
+/* CLK_SRC_TOP0        */
+#define MUX_ACLK_300_GSCL_SEL           0x0
+#define MUX_ACLK_300_GSCL_MID_SEL       0x0
+#define MUX_ACLK_400_G3D_MID_SEL        0x0
+#define MUX_ACLK_333_SEL               0x0
+#define MUX_ACLK_300_DISP1_SEL         0x0
+#define MUX_ACLK_300_DISP1_MID_SEL      0x0
+#define MUX_ACLK_200_SEL               0x0
+#define MUX_ACLK_166_SEL               0x0
+#define CLK_SRC_TOP0_VAL       ((MUX_ACLK_300_GSCL_SEL  << 25)         \
+                               | (MUX_ACLK_300_GSCL_MID_SEL << 24)     \
+                               | (MUX_ACLK_400_G3D_MID_SEL << 20)      \
+                               | (MUX_ACLK_333_SEL << 16)              \
+                               | (MUX_ACLK_300_DISP1_SEL << 15)        \
+                               | (MUX_ACLK_300_DISP1_MID_SEL << 14)    \
+                               | (MUX_ACLK_200_SEL << 12)              \
+                               | (MUX_ACLK_166_SEL << 8))
+
+/* CLK_SRC_TOP1        */
+#define MUX_ACLK_400_G3D_SEL            0x1
+#define MUX_ACLK_400_ISP_SEL            0x0
+#define MUX_ACLK_400_IOP_SEL            0x0
+#define MUX_ACLK_MIPI_HSI_TXBASE_SEL    0x0
+#define MUX_ACLK_300_GSCL_MID1_SEL      0x0
+#define MUX_ACLK_300_DISP1_MID1_SEL     0x0
+#define CLK_SRC_TOP1_VAL       ((MUX_ACLK_400_G3D_SEL << 28)           \
+                               |(MUX_ACLK_400_ISP_SEL << 24)           \
+                               |(MUX_ACLK_400_IOP_SEL << 20)           \
+                               |(MUX_ACLK_MIPI_HSI_TXBASE_SEL << 16)   \
+                               |(MUX_ACLK_300_GSCL_MID1_SEL << 12)     \
+                               |(MUX_ACLK_300_DISP1_MID1_SEL << 8))
+
+/* CLK_SRC_TOP2 */
+#define MUX_GPLL_SEL                    0x1
+#define MUX_BPLL_USER_SEL               0x0
+#define MUX_MPLL_USER_SEL               0x0
+#define MUX_VPLL_SEL                    0x1
+#define MUX_EPLL_SEL                    0x1
+#define MUX_CPLL_SEL                    0x1
+#define VPLLSRC_SEL                     0x0
+#define CLK_SRC_TOP2_VAL       ((MUX_GPLL_SEL << 28)           \
+                               | (MUX_BPLL_USER_SEL << 24)     \
+                               | (MUX_MPLL_USER_SEL << 20)     \
+                               | (MUX_VPLL_SEL << 16)          \
+                               | (MUX_EPLL_SEL << 12)          \
+                               | (MUX_CPLL_SEL << 8)           \
+                               | (VPLLSRC_SEL))
+/* CLK_SRC_TOP3 */
+#define MUX_ACLK_333_SUB_SEL            0x1
+#define MUX_ACLK_400_SUB_SEL            0x1
+#define MUX_ACLK_266_ISP_SUB_SEL        0x1
+#define MUX_ACLK_266_GPS_SUB_SEL        0x0
+#define MUX_ACLK_300_GSCL_SUB_SEL       0x1
+#define MUX_ACLK_266_GSCL_SUB_SEL       0x1
+#define MUX_ACLK_300_DISP1_SUB_SEL      0x1
+#define MUX_ACLK_200_DISP1_SUB_SEL      0x1
+#define CLK_SRC_TOP3_VAL       ((MUX_ACLK_333_SUB_SEL << 24)           \
+                               | (MUX_ACLK_400_SUB_SEL << 20)          \
+                               | (MUX_ACLK_266_ISP_SUB_SEL << 16)      \
+                               | (MUX_ACLK_266_GPS_SUB_SEL << 12)      \
+                               | (MUX_ACLK_300_GSCL_SUB_SEL << 10)     \
+                               | (MUX_ACLK_266_GSCL_SUB_SEL << 8)      \
+                               | (MUX_ACLK_300_DISP1_SUB_SEL << 6)     \
+                               | (MUX_ACLK_200_DISP1_SUB_SEL << 4))
+
+/* CLK_DIV_TOP0        */
+#define ACLK_300_DISP1_RATIO   0x2
+#define ACLK_400_G3D_RATIO     0x0
+#define ACLK_333_RATIO         0x0
+#define ACLK_266_RATIO         0x2
+#define ACLK_200_RATIO         0x3
+#define ACLK_166_RATIO         0x1
+#define ACLK_133_RATIO         0x1
+#define ACLK_66_RATIO          0x5
+
+#define CLK_DIV_TOP0_VAL       ((ACLK_300_DISP1_RATIO << 28)   \
+                               | (ACLK_400_G3D_RATIO << 24)    \
+                               | (ACLK_333_RATIO  << 20)       \
+                               | (ACLK_266_RATIO << 16)        \
+                               | (ACLK_200_RATIO << 12)        \
+                               | (ACLK_166_RATIO << 8)         \
+                               | (ACLK_133_RATIO << 4)         \
+                               | (ACLK_66_RATIO))
+
+/* CLK_DIV_TOP1        */
+#define ACLK_MIPI_HSI_TX_BASE_RATIO     0x3
+#define ACLK_66_PRE_RATIO               0x1
+#define ACLK_400_ISP_RATIO              0x1
+#define ACLK_400_IOP_RATIO              0x1
+#define ACLK_300_GSCL_RATIO             0x2
+
+#define CLK_DIV_TOP1_VAL       ((ACLK_MIPI_HSI_TX_BASE_RATIO << 28)    \
+                               | (ACLK_66_PRE_RATIO << 24)             \
+                               | (ACLK_400_ISP_RATIO  << 20)           \
+                               | (ACLK_400_IOP_RATIO << 16)            \
+                               | (ACLK_300_GSCL_RATIO << 12))
+
+/* APLL_LOCK   */
+#define APLL_LOCK_VAL  (0x546)
+/* MPLL_LOCK   */
+#define MPLL_LOCK_VAL  (0x546)
+/* CPLL_LOCK   */
+#define CPLL_LOCK_VAL  (0x546)
+/* GPLL_LOCK   */
+#define GPLL_LOCK_VAL  (0x546)
+/* EPLL_LOCK   */
+#define EPLL_LOCK_VAL  (0x3A98)
+/* VPLL_LOCK   */
+#define VPLL_LOCK_VAL  (0x3A98)
+/* BPLL_LOCK   */
+#define BPLL_LOCK_VAL  (0x546)
+
+#define MUX_APLL_SEL_MASK      (1 << 0)
+#define MUX_MPLL_SEL_MASK      (1 << 8)
+#define MPLL_SEL_MOUT_MPLLFOUT (2 << 8)
+#define MUX_CPLL_SEL_MASK      (1 << 8)
+#define MUX_EPLL_SEL_MASK      (1 << 12)
+#define MUX_VPLL_SEL_MASK      (1 << 16)
+#define MUX_GPLL_SEL_MASK      (1 << 28)
+#define MUX_BPLL_SEL_MASK      (1 << 0)
+#define MUX_HPM_SEL_MASK       (1 << 20)
+#define HPM_SEL_SCLK_MPLL      (1 << 21)
+#define APLL_CON0_LOCKED       (1 << 29)
+#define MPLL_CON0_LOCKED       (1 << 29)
+#define BPLL_CON0_LOCKED       (1 << 29)
+#define CPLL_CON0_LOCKED       (1 << 29)
+#define EPLL_CON0_LOCKED       (1 << 29)
+#define GPLL_CON0_LOCKED       (1 << 29)
+#define VPLL_CON0_LOCKED       (1 << 29)
+#define CLK_REG_DISABLE                0x0
+#define TOP2_VAL               0x0110000
+
+/* CLK_SRC_PERIC0 */
+#define PWM_SEL                6
+#define UART3_SEL      6
+#define UART2_SEL      6
+#define UART1_SEL      6
+#define UART0_SEL      6
+/* SRC_CLOCK = SCLK_MPLL */
+#define CLK_SRC_PERIC0_VAL     ((PWM_SEL << 24)        \
+                               | (UART3_SEL << 12)     \
+                               | (UART2_SEL << 8)       \
+                               | (UART1_SEL << 4)      \
+                               | (UART0_SEL))
+
+/* CLK_SRC_PERIC1 */
+/* SRC_CLOCK = SCLK_MPLL */
+#define SPI0_SEL               6
+#define SPI1_SEL               6
+#define SPI2_SEL               6
+#define CLK_SRC_PERIC1_VAL     ((SPI2_SEL << 24) \
+                               | (SPI1_SEL << 20) \
+                               | (SPI0_SEL << 16))
+
+/* SCLK_SRC_ISP - set SPI0/1 to 6 = SCLK_MPLL_USER */
+#define SPI0_ISP_SEL           6
+#define SPI1_ISP_SEL           6
+#define SCLK_SRC_ISP_VAL       (SPI1_ISP_SEL << 4) \
+                               | (SPI0_ISP_SEL << 0)
+
+/* SCLK_DIV_ISP - set SPI0/1 to 0xf = divide by 16 */
+#define SPI0_ISP_RATIO         0xf
+#define SPI1_ISP_RATIO         0xf
+#define SCLK_DIV_ISP_VAL       (SPI1_ISP_RATIO << 12) \
+                               | (SPI0_ISP_RATIO << 0)
+
+/* CLK_DIV_PERIL0      */
+#define UART5_RATIO    7
+#define UART4_RATIO    7
+#define UART3_RATIO    7
+#define UART2_RATIO    7
+#define UART1_RATIO    7
+#define UART0_RATIO    7
+
+#define CLK_DIV_PERIC0_VAL     ((UART3_RATIO << 12)    \
+                               | (UART2_RATIO << 8)    \
+                               | (UART1_RATIO << 4)    \
+                               | (UART0_RATIO))
+/* CLK_DIV_PERIC1 */
+#define SPI1_RATIO             0x7
+#define SPI0_RATIO             0xf
+#define SPI1_SUB_RATIO         0x0
+#define SPI0_SUB_RATIO         0x0
+#define CLK_DIV_PERIC1_VAL     ((SPI1_SUB_RATIO << 24) \
+                               | ((SPI1_RATIO << 16) \
+                               | (SPI0_SUB_RATIO << 8) \
+                               | (SPI0_RATIO << 0)))
+
+/* CLK_DIV_PERIC2 */
+#define SPI2_RATIO             0xf
+#define SPI2_SUB_RATIO         0x0
+#define CLK_DIV_PERIC2_VAL     ((SPI2_SUB_RATIO << 8) \
+                               | (SPI2_RATIO << 0))
+
+/* CLK_DIV_PERIC3 */
+#define PWM_RATIO              8
+#define CLK_DIV_PERIC3_VAL     (PWM_RATIO << 0)
+
+/* CLK_DIV_FSYS2 */
+#define MMC2_RATIO_MASK                0xf
+#define MMC2_RATIO_VAL         0x3
+#define MMC2_RATIO_OFFSET      0
+
+#define MMC2_PRE_RATIO_MASK    0xff
+#define MMC2_PRE_RATIO_VAL     0x9
+#define MMC2_PRE_RATIO_OFFSET  8
+
+#define MMC3_RATIO_MASK                0xf
+#define MMC3_RATIO_VAL         0x1
+#define MMC3_RATIO_OFFSET      16
+
+#define MMC3_PRE_RATIO_MASK    0xff
+#define MMC3_PRE_RATIO_VAL     0x0
+#define MMC3_PRE_RATIO_OFFSET  24
+
+/* CLK_SRC_LEX */
+#define CLK_SRC_LEX_VAL         0x0
+
+/* CLK_DIV_LEX */
+#define CLK_DIV_LEX_VAL         0x10
+
+/* CLK_DIV_R0X */
+#define CLK_DIV_R0X_VAL         0x10
+
+/* CLK_DIV_L0X */
+#define CLK_DIV_R1X_VAL         0x10
+
+/* CLK_DIV_ISP0 */
+#define CLK_DIV_ISP0_VAL        0x31
+
+/* CLK_DIV_ISP1 */
+#define CLK_DIV_ISP1_VAL        0x0
+
+/* CLK_DIV_ISP2 */
+#define CLK_DIV_ISP2_VAL        0x1
+
+/* CLK_SRC_DISP1_0 */
+#define CLK_SRC_DISP1_0_VAL    0x6
+
+/*
+ * DIV_DISP1_0
+ * For DP, divisor should be 2
+ */
+#define CLK_DIV_DISP1_0_FIMD1  (2 << 0)
+
+/* CLK_GATE_IP_DISP1 */
+#define CLK_GATE_DP1_ALLOW     (1 << 4)
+
+#define DDR3PHY_CTRL_PHY_RESET (1 << 0)
+#define DDR3PHY_CTRL_PHY_RESET_OFF     (0 << 0)
+
+#define PHY_CON0_RESET_VAL     0x17020a40
+#define P0_CMD_EN              (1 << 14)
+#define BYTE_RDLVL_EN          (1 << 13)
+#define CTRL_SHGATE            (1 << 8)
+
+#define PHY_CON1_RESET_VAL     0x09210100
+#define CTRL_GATEDURADJ_MASK   (0xf << 20)
+
+#define PHY_CON2_RESET_VAL     0x00010004
+#define INIT_DESKEW_EN         (1 << 6)
+#define RDLVL_GATE_EN          (1 << 24)
+
+/*ZQ Configurations */
+#define PHY_CON16_RESET_VAL    0x08000304
+
+#define ZQ_CLK_DIV_EN          (1 << 18)
+#define ZQ_MANUAL_STR          (1 << 1)
+#define ZQ_DONE                        (1 << 0)
+
+#define CTRL_RDLVL_GATE_ENABLE 1
+#define CTRL_RDLVL_GATE_DISABLE        1
+
+/* Direct Command */
+#define DIRECT_CMD_NOP                 0x07000000
+#define DIRECT_CMD_PALL                        0x01000000
+#define DIRECT_CMD_ZQINIT              0x0a000000
+#define DIRECT_CMD_CHANNEL_SHIFT       28
+#define DIRECT_CMD_CHIP_SHIFT          20
+
+/* DMC PHY Control0 register */
+#define PHY_CONTROL0_RESET_VAL 0x0
+#define MEM_TERM_EN    (1 << 31)       /* Termination enable for memory */
+#define PHY_TERM_EN    (1 << 30)       /* Termination enable for PHY */
+#define DMC_CTRL_SHGATE        (1 << 29)       /* Duration of DQS gating signal */
+#define FP_RSYNC       (1 << 3)        /* Force DLL resyncronization */
+
+/* Driver strength for CK, CKE, CS & CA */
+#define IMP_OUTPUT_DRV_40_OHM  0x5
+#define IMP_OUTPUT_DRV_30_OHM  0x7
+#define CA_CK_DRVR_DS_OFFSET   9
+#define CA_CKE_DRVR_DS_OFFSET  6
+#define CA_CS_DRVR_DS_OFFSET   3
+#define CA_ADR_DRVR_DS_OFFSET  0
+
+#define PHY_CON42_CTRL_BSTLEN_SHIFT    8
+#define PHY_CON42_CTRL_RDLAT_SHIFT     0
+
+struct mem_timings;
+
+/* Errors that we can encourter in low-level setup */
+enum {
+       SETUP_ERR_OK,
+       SETUP_ERR_RDLV_COMPLETE_TIMEOUT = -1,
+       SETUP_ERR_ZQ_CALIBRATION_FAILURE = -2,
+};
+
+/*
+ * Memory variant specific initialization code
+ *
+ * @param mem          Memory timings for this memory type.
+ * @param mem_iv_size  Memory interleaving size is a configurable parameter
+ *                     which the DMC uses to decide how to split a memory
+ *                     chunk into smaller chunks to support concurrent
+ *                     accesses; may vary across boards.
+ * @param reset         Reset DDR PHY during initialization.
+ * @return 0 if ok, SETUP_ERR_... if there is a problem
+ */
+int ddr3_mem_ctrl_init(struct mem_timings *mem, unsigned long mem_iv_size,
+                       int reset);
+
+/*
+ * Configure ZQ I/O interface
+ *
+ * @param mem          Memory timings for this memory type.
+ * @param phy0_ctrl    Pointer to struct containing PHY0 control reg
+ * @param phy1_ctrl    Pointer to struct containing PHY1 control reg
+ * @return 0 if ok, -1 on error
+ */
+int dmc_config_zq(struct mem_timings *mem,
+                 struct exynos5_phy_control *phy0_ctrl,
+                 struct exynos5_phy_control *phy1_ctrl);
+
+/*
+ * Send NOP and MRS/EMRS Direct commands
+ *
+ * @param mem          Memory timings for this memory type.
+ * @param dmc          Pointer to struct of DMC registers
+ */
+void dmc_config_mrs(struct mem_timings *mem, struct exynos5_dmc *dmc);
+
+/*
+ * Send PALL Direct commands
+ *
+ * @param mem          Memory timings for this memory type.
+ * @param dmc          Pointer to struct of DMC registers
+ */
+void dmc_config_prech(struct mem_timings *mem, struct exynos5_dmc *dmc);
+
+/*
+ * Configure the memconfig and membaseconfig registers
+ *
+ * @param mem          Memory timings for this memory type.
+ * @param exynos5_dmc  Pointer to struct of DMC registers
+ */
+void dmc_config_memory(struct mem_timings *mem, struct exynos5_dmc *dmc);
+
+/*
+ * Reset the DLL. This function is common between DDR3 and LPDDR2.
+ * However, the reset value is different. So we are passing a flag
+ * ddr_mode to distinguish between LPDDR2 and DDR3.
+ *
+ * @param exynos5_dmc  Pointer to struct of DMC registers
+ * @param ddr_mode     Type of DDR memory
+ */
+void update_reset_dll(struct exynos5_dmc *, enum ddr_mode);
+#endif