u-boot/board/samsung/smdk5250/setup.h
Rajeshwari Shinde 87f2e079db Exynos5: DDR3: Add DDR3 memory setup for Exynos5250 Rev 1.0
The patch adds the memory initialization sequence of DDR3.

Signed-off-by: Hatim Ali <hatim.rv@samsung.com>
Signed-off-by: Rajeshwari Shinde <rajeshwari.s@samsung.com>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
2012-09-01 14:58:23 +02:00

594 lines
17 KiB
C

/*
* Machine Specific Values for SMDK5250 board based on EXYNOS5
*
* Copyright (C) 2012 Samsung Electronics
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#ifndef _SMDK5250_SETUP_H
#define _SMDK5250_SETUP_H
#include <config.h>
#include <asm/arch/dmc.h>
/* TZPC : Register Offsets */
#define TZPC0_BASE 0x10100000
#define TZPC1_BASE 0x10110000
#define TZPC2_BASE 0x10120000
#define TZPC3_BASE 0x10130000
#define TZPC4_BASE 0x10140000
#define TZPC5_BASE 0x10150000
#define TZPC6_BASE 0x10160000
#define TZPC7_BASE 0x10170000
#define TZPC8_BASE 0x10180000
#define TZPC9_BASE 0x10190000
/* 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 0
#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)
/*
* TZPC Register Value :
* R0SIZE: 0x0 : Size of secured ram
*/
#define R0SIZE 0x0
/*
* TZPC Decode Protection Register Value :
* DECPROTXSET: 0xFF : Set Decode region to non-secure
*/
#define DECPROTXSET 0xFF
#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.
* @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);
/*
* 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);
void sdelay(unsigned long);
void mem_ctrl_init(void);
void system_clock_init(void);
void tzpc_init(void);
#endif