mirror of
https://github.com/AsahiLinux/u-boot
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87f2e079db
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>
594 lines
17 KiB
C
594 lines
17 KiB
C
/*
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* Machine Specific Values for SMDK5250 board based on EXYNOS5
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*
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* Copyright (C) 2012 Samsung Electronics
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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#ifndef _SMDK5250_SETUP_H
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#define _SMDK5250_SETUP_H
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#include <config.h>
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#include <asm/arch/dmc.h>
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/* TZPC : Register Offsets */
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#define TZPC0_BASE 0x10100000
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#define TZPC1_BASE 0x10110000
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#define TZPC2_BASE 0x10120000
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#define TZPC3_BASE 0x10130000
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#define TZPC4_BASE 0x10140000
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#define TZPC5_BASE 0x10150000
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#define TZPC6_BASE 0x10160000
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#define TZPC7_BASE 0x10170000
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#define TZPC8_BASE 0x10180000
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#define TZPC9_BASE 0x10190000
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/* APLL_CON1 */
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#define APLL_CON1_VAL (0x00203800)
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/* MPLL_CON1 */
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#define MPLL_CON1_VAL (0x00203800)
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/* CPLL_CON1 */
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#define CPLL_CON1_VAL (0x00203800)
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/* GPLL_CON1 */
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#define GPLL_CON1_VAL (0x00203800)
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/* EPLL_CON1, CON2 */
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#define EPLL_CON1_VAL 0x00000000
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#define EPLL_CON2_VAL 0x00000080
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/* VPLL_CON1, CON2 */
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#define VPLL_CON1_VAL 0x00000000
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#define VPLL_CON2_VAL 0x00000080
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/* BPLL_CON1 */
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#define BPLL_CON1_VAL 0x00203800
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/* Set PLL */
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#define set_pll(mdiv, pdiv, sdiv) (1<<31 | mdiv<<16 | pdiv<<8 | sdiv)
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/* CLK_SRC_CPU */
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/* 0 = MOUTAPLL, 1 = SCLKMPLL */
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#define MUX_HPM_SEL 0
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#define MUX_CPU_SEL 0
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#define MUX_APLL_SEL 1
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#define CLK_SRC_CPU_VAL ((MUX_HPM_SEL << 20) \
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| (MUX_CPU_SEL << 16) \
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| (MUX_APLL_SEL))
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/* MEMCONTROL register bit fields */
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#define DMC_MEMCONTROL_CLK_STOP_DISABLE (0 << 0)
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#define DMC_MEMCONTROL_DPWRDN_DISABLE (0 << 1)
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#define DMC_MEMCONTROL_DPWRDN_ACTIVE_PRECHARGE (0 << 2)
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#define DMC_MEMCONTROL_TP_DISABLE (0 << 4)
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#define DMC_MEMCONTROL_DSREF_DISABLE (0 << 5)
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#define DMC_MEMCONTROL_DSREF_ENABLE (1 << 5)
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#define DMC_MEMCONTROL_ADD_LAT_PALL_CYCLE(x) (x << 6)
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#define DMC_MEMCONTROL_MEM_TYPE_LPDDR3 (7 << 8)
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#define DMC_MEMCONTROL_MEM_TYPE_DDR3 (6 << 8)
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#define DMC_MEMCONTROL_MEM_TYPE_LPDDR2 (5 << 8)
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#define DMC_MEMCONTROL_MEM_WIDTH_32BIT (2 << 12)
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#define DMC_MEMCONTROL_NUM_CHIP_1 (0 << 16)
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#define DMC_MEMCONTROL_NUM_CHIP_2 (1 << 16)
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#define DMC_MEMCONTROL_BL_8 (3 << 20)
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#define DMC_MEMCONTROL_BL_4 (2 << 20)
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#define DMC_MEMCONTROL_PZQ_DISABLE (0 << 24)
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#define DMC_MEMCONTROL_MRR_BYTE_7_0 (0 << 25)
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#define DMC_MEMCONTROL_MRR_BYTE_15_8 (1 << 25)
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#define DMC_MEMCONTROL_MRR_BYTE_23_16 (2 << 25)
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#define DMC_MEMCONTROL_MRR_BYTE_31_24 (3 << 25)
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/* MEMCONFIG0 register bit fields */
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#define DMC_MEMCONFIGx_CHIP_MAP_INTERLEAVED (1 << 12)
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#define DMC_MEMCONFIGx_CHIP_COL_10 (3 << 8)
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#define DMC_MEMCONFIGx_CHIP_ROW_14 (2 << 4)
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#define DMC_MEMCONFIGx_CHIP_ROW_15 (3 << 4)
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#define DMC_MEMCONFIGx_CHIP_BANK_8 (3 << 0)
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#define DMC_MEMBASECONFIGx_CHIP_BASE(x) (x << 16)
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#define DMC_MEMBASECONFIGx_CHIP_MASK(x) (x << 0)
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#define DMC_MEMBASECONFIG_VAL(x) ( \
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DMC_MEMBASECONFIGx_CHIP_BASE(x) | \
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DMC_MEMBASECONFIGx_CHIP_MASK(0x780) \
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)
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#define DMC_MEMBASECONFIG0_VAL DMC_MEMBASECONFIG_VAL(0x40)
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#define DMC_MEMBASECONFIG1_VAL DMC_MEMBASECONFIG_VAL(0x80)
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#define DMC_PRECHCONFIG_VAL 0xFF000000
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#define DMC_PWRDNCONFIG_VAL 0xFFFF00FF
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#define DMC_CONCONTROL_RESET_VAL 0x0FFF0000
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#define DFI_INIT_START (1 << 28)
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#define EMPTY (1 << 8)
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#define AREF_EN (1 << 5)
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#define DFI_INIT_COMPLETE_CHO (1 << 2)
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#define DFI_INIT_COMPLETE_CH1 (1 << 3)
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#define RDLVL_COMPLETE_CHO (1 << 14)
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#define RDLVL_COMPLETE_CH1 (1 << 15)
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#define CLK_STOP_EN (1 << 0)
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#define DPWRDN_EN (1 << 1)
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#define DSREF_EN (1 << 5)
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/* COJCONTROL register bit fields */
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#define DMC_CONCONTROL_IO_PD_CON_DISABLE (0 << 3)
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#define DMC_CONCONTROL_AREF_EN_DISABLE (0 << 5)
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#define DMC_CONCONTROL_EMPTY_DISABLE (0 << 8)
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#define DMC_CONCONTROL_EMPTY_ENABLE (1 << 8)
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#define DMC_CONCONTROL_RD_FETCH_DISABLE (0x0 << 12)
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#define DMC_CONCONTROL_TIMEOUT_LEVEL0 (0xFFF << 16)
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#define DMC_CONCONTROL_DFI_INIT_START_DISABLE (0 << 28)
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/* CLK_DIV_CPU0_VAL */
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#define CLK_DIV_CPU0_VAL ((ARM2_RATIO << 28) \
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| (APLL_RATIO << 24) \
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| (PCLK_DBG_RATIO << 20) \
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| (ATB_RATIO << 16) \
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| (PERIPH_RATIO << 12) \
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| (ACP_RATIO << 8) \
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| (CPUD_RATIO << 4) \
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| (ARM_RATIO))
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/* CLK_FSYS */
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#define CLK_SRC_FSYS0_VAL 0x66666
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#define CLK_DIV_FSYS0_VAL 0x0BB00000
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/* CLK_DIV_CPU1 */
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#define HPM_RATIO 0x2
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#define COPY_RATIO 0x0
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/* CLK_DIV_CPU1 = 0x00000003 */
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#define CLK_DIV_CPU1_VAL ((HPM_RATIO << 4) \
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| (COPY_RATIO))
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/* CLK_SRC_CORE0 */
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#define CLK_SRC_CORE0_VAL 0x00000000
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/* CLK_SRC_CORE1 */
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#define CLK_SRC_CORE1_VAL 0x100
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/* CLK_DIV_CORE0 */
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#define CLK_DIV_CORE0_VAL 0x00120000
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/* CLK_DIV_CORE1 */
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#define CLK_DIV_CORE1_VAL 0x07070700
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/* CLK_DIV_SYSRGT */
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#define CLK_DIV_SYSRGT_VAL 0x00000111
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/* CLK_DIV_ACP */
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#define CLK_DIV_ACP_VAL 0x12
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/* CLK_DIV_SYSLFT */
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#define CLK_DIV_SYSLFT_VAL 0x00000311
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/* CLK_SRC_CDREX */
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#define CLK_SRC_CDREX_VAL 0x1
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/* CLK_DIV_CDREX */
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#define MCLK_CDREX2_RATIO 0x0
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#define ACLK_EFCON_RATIO 0x1
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#define MCLK_DPHY_RATIO 0x1
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#define MCLK_CDREX_RATIO 0x1
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#define ACLK_C2C_200_RATIO 0x1
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#define C2C_CLK_400_RATIO 0x1
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#define PCLK_CDREX_RATIO 0x1
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#define ACLK_CDREX_RATIO 0x1
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#define CLK_DIV_CDREX_VAL ((MCLK_DPHY_RATIO << 24) \
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| (C2C_CLK_400_RATIO << 6) \
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| (PCLK_CDREX_RATIO << 4) \
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| (ACLK_CDREX_RATIO))
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/* CLK_SRC_TOP0 */
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#define MUX_ACLK_300_GSCL_SEL 0x0
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#define MUX_ACLK_300_GSCL_MID_SEL 0x0
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#define MUX_ACLK_400_G3D_MID_SEL 0x0
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#define MUX_ACLK_333_SEL 0x0
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#define MUX_ACLK_300_DISP1_SEL 0x0
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#define MUX_ACLK_300_DISP1_MID_SEL 0x0
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#define MUX_ACLK_200_SEL 0x0
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#define MUX_ACLK_166_SEL 0x0
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#define CLK_SRC_TOP0_VAL ((MUX_ACLK_300_GSCL_SEL << 25) \
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| (MUX_ACLK_300_GSCL_MID_SEL << 24) \
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| (MUX_ACLK_400_G3D_MID_SEL << 20) \
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| (MUX_ACLK_333_SEL << 16) \
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| (MUX_ACLK_300_DISP1_SEL << 15) \
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| (MUX_ACLK_300_DISP1_MID_SEL << 14) \
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| (MUX_ACLK_200_SEL << 12) \
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| (MUX_ACLK_166_SEL << 8))
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/* CLK_SRC_TOP1 */
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#define MUX_ACLK_400_G3D_SEL 0x1
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#define MUX_ACLK_400_ISP_SEL 0x0
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#define MUX_ACLK_400_IOP_SEL 0x0
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#define MUX_ACLK_MIPI_HSI_TXBASE_SEL 0x0
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#define MUX_ACLK_300_GSCL_MID1_SEL 0x0
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#define MUX_ACLK_300_DISP1_MID1_SEL 0x0
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#define CLK_SRC_TOP1_VAL ((MUX_ACLK_400_G3D_SEL << 28) \
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|(MUX_ACLK_400_ISP_SEL << 24) \
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|(MUX_ACLK_400_IOP_SEL << 20) \
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|(MUX_ACLK_MIPI_HSI_TXBASE_SEL << 16) \
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|(MUX_ACLK_300_GSCL_MID1_SEL << 12) \
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|(MUX_ACLK_300_DISP1_MID1_SEL << 8))
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/* CLK_SRC_TOP2 */
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#define MUX_GPLL_SEL 0x1
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#define MUX_BPLL_USER_SEL 0x0
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#define MUX_MPLL_USER_SEL 0x0
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#define MUX_VPLL_SEL 0x1
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#define MUX_EPLL_SEL 0x1
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#define MUX_CPLL_SEL 0x1
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#define VPLLSRC_SEL 0x0
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#define CLK_SRC_TOP2_VAL ((MUX_GPLL_SEL << 28) \
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| (MUX_BPLL_USER_SEL << 24) \
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| (MUX_MPLL_USER_SEL << 20) \
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| (MUX_VPLL_SEL << 16) \
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| (MUX_EPLL_SEL << 12) \
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| (MUX_CPLL_SEL << 8) \
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| (VPLLSRC_SEL))
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/* CLK_SRC_TOP3 */
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#define MUX_ACLK_333_SUB_SEL 0x1
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#define MUX_ACLK_400_SUB_SEL 0x1
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#define MUX_ACLK_266_ISP_SUB_SEL 0x1
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#define MUX_ACLK_266_GPS_SUB_SEL 0x0
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#define MUX_ACLK_300_GSCL_SUB_SEL 0x1
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#define MUX_ACLK_266_GSCL_SUB_SEL 0x1
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#define MUX_ACLK_300_DISP1_SUB_SEL 0x1
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#define MUX_ACLK_200_DISP1_SUB_SEL 0x1
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#define CLK_SRC_TOP3_VAL ((MUX_ACLK_333_SUB_SEL << 24) \
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| (MUX_ACLK_400_SUB_SEL << 20) \
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| (MUX_ACLK_266_ISP_SUB_SEL << 16) \
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| (MUX_ACLK_266_GPS_SUB_SEL << 12) \
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| (MUX_ACLK_300_GSCL_SUB_SEL << 10) \
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| (MUX_ACLK_266_GSCL_SUB_SEL << 8) \
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| (MUX_ACLK_300_DISP1_SUB_SEL << 6) \
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| (MUX_ACLK_200_DISP1_SUB_SEL << 4))
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/* CLK_DIV_TOP0 */
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#define ACLK_300_DISP1_RATIO 0x2
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#define ACLK_400_G3D_RATIO 0x0
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#define ACLK_333_RATIO 0x0
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#define ACLK_266_RATIO 0x2
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#define ACLK_200_RATIO 0x3
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#define ACLK_166_RATIO 0x1
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#define ACLK_133_RATIO 0x1
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#define ACLK_66_RATIO 0x5
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#define CLK_DIV_TOP0_VAL ((ACLK_300_DISP1_RATIO << 28) \
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| (ACLK_400_G3D_RATIO << 24) \
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| (ACLK_333_RATIO << 20) \
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| (ACLK_266_RATIO << 16) \
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| (ACLK_200_RATIO << 12) \
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| (ACLK_166_RATIO << 8) \
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| (ACLK_133_RATIO << 4) \
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| (ACLK_66_RATIO))
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/* CLK_DIV_TOP1 */
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#define ACLK_MIPI_HSI_TX_BASE_RATIO 0x3
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#define ACLK_66_PRE_RATIO 0x1
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#define ACLK_400_ISP_RATIO 0x1
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#define ACLK_400_IOP_RATIO 0x1
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#define ACLK_300_GSCL_RATIO 0x2
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#define CLK_DIV_TOP1_VAL ((ACLK_MIPI_HSI_TX_BASE_RATIO << 28) \
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| (ACLK_66_PRE_RATIO << 24) \
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| (ACLK_400_ISP_RATIO << 20) \
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| (ACLK_400_IOP_RATIO << 16) \
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| (ACLK_300_GSCL_RATIO << 12))
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/* APLL_LOCK */
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#define APLL_LOCK_VAL (0x546)
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/* MPLL_LOCK */
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#define MPLL_LOCK_VAL (0x546)
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/* CPLL_LOCK */
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#define CPLL_LOCK_VAL (0x546)
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/* GPLL_LOCK */
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#define GPLL_LOCK_VAL (0x546)
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/* EPLL_LOCK */
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#define EPLL_LOCK_VAL (0x3A98)
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/* VPLL_LOCK */
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#define VPLL_LOCK_VAL (0x3A98)
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/* BPLL_LOCK */
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#define BPLL_LOCK_VAL (0x546)
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#define MUX_APLL_SEL_MASK (1 << 0)
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#define MUX_MPLL_SEL_MASK (1 << 8)
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#define MPLL_SEL_MOUT_MPLLFOUT (2 << 8)
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#define MUX_CPLL_SEL_MASK (1 << 8)
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#define MUX_EPLL_SEL_MASK (1 << 12)
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#define MUX_VPLL_SEL_MASK (1 << 16)
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#define MUX_GPLL_SEL_MASK (1 << 28)
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#define MUX_BPLL_SEL_MASK (1 << 0)
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#define MUX_HPM_SEL_MASK (1 << 20)
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#define HPM_SEL_SCLK_MPLL (1 << 21)
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#define APLL_CON0_LOCKED (1 << 29)
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#define MPLL_CON0_LOCKED (1 << 29)
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#define BPLL_CON0_LOCKED (1 << 29)
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#define CPLL_CON0_LOCKED (1 << 29)
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#define EPLL_CON0_LOCKED (1 << 29)
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#define GPLL_CON0_LOCKED (1 << 29)
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#define VPLL_CON0_LOCKED (1 << 29)
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#define CLK_REG_DISABLE 0x0
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#define TOP2_VAL 0x0110000
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/* CLK_SRC_PERIC0 */
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#define PWM_SEL 0
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#define UART3_SEL 6
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#define UART2_SEL 6
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#define UART1_SEL 6
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#define UART0_SEL 6
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/* SRC_CLOCK = SCLK_MPLL */
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#define CLK_SRC_PERIC0_VAL ((PWM_SEL << 24) \
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| (UART3_SEL << 12) \
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| (UART2_SEL << 8) \
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| (UART1_SEL << 4) \
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| (UART0_SEL))
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/* CLK_SRC_PERIC1 */
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/* SRC_CLOCK = SCLK_MPLL */
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#define SPI0_SEL 6
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#define SPI1_SEL 6
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#define SPI2_SEL 6
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#define CLK_SRC_PERIC1_VAL ((SPI2_SEL << 24) \
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| (SPI1_SEL << 20) \
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| (SPI0_SEL << 16))
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/* SCLK_SRC_ISP - set SPI0/1 to 6 = SCLK_MPLL_USER */
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#define SPI0_ISP_SEL 6
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#define SPI1_ISP_SEL 6
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#define SCLK_SRC_ISP_VAL (SPI1_ISP_SEL << 4) \
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| (SPI0_ISP_SEL << 0)
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/* SCLK_DIV_ISP - set SPI0/1 to 0xf = divide by 16 */
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#define SPI0_ISP_RATIO 0xf
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#define SPI1_ISP_RATIO 0xf
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#define SCLK_DIV_ISP_VAL (SPI1_ISP_RATIO << 12) \
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| (SPI0_ISP_RATIO << 0)
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/* CLK_DIV_PERIL0 */
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#define UART5_RATIO 7
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#define UART4_RATIO 7
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#define UART3_RATIO 7
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#define UART2_RATIO 7
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#define UART1_RATIO 7
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#define UART0_RATIO 7
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#define CLK_DIV_PERIC0_VAL ((UART3_RATIO << 12) \
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| (UART2_RATIO << 8) \
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| (UART1_RATIO << 4) \
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| (UART0_RATIO))
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/* CLK_DIV_PERIC1 */
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#define SPI1_RATIO 0x7
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#define SPI0_RATIO 0xf
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#define SPI1_SUB_RATIO 0x0
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#define SPI0_SUB_RATIO 0x0
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#define CLK_DIV_PERIC1_VAL ((SPI1_SUB_RATIO << 24) \
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| ((SPI1_RATIO << 16) \
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| (SPI0_SUB_RATIO << 8) \
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| (SPI0_RATIO << 0)))
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/* CLK_DIV_PERIC2 */
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#define SPI2_RATIO 0xf
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#define SPI2_SUB_RATIO 0x0
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#define CLK_DIV_PERIC2_VAL ((SPI2_SUB_RATIO << 8) \
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| (SPI2_RATIO << 0))
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/* CLK_DIV_PERIC3 */
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#define PWM_RATIO 8
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#define CLK_DIV_PERIC3_VAL (PWM_RATIO << 0)
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|
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/* CLK_DIV_FSYS2 */
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#define MMC2_RATIO_MASK 0xf
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#define MMC2_RATIO_VAL 0x3
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#define MMC2_RATIO_OFFSET 0
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#define MMC2_PRE_RATIO_MASK 0xff
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#define MMC2_PRE_RATIO_VAL 0x9
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#define MMC2_PRE_RATIO_OFFSET 8
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#define MMC3_RATIO_MASK 0xf
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#define MMC3_RATIO_VAL 0x1
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#define MMC3_RATIO_OFFSET 16
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#define MMC3_PRE_RATIO_MASK 0xff
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#define MMC3_PRE_RATIO_VAL 0x0
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#define MMC3_PRE_RATIO_OFFSET 24
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|
/* CLK_SRC_LEX */
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#define CLK_SRC_LEX_VAL 0x0
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|
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|
/* CLK_DIV_LEX */
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#define CLK_DIV_LEX_VAL 0x10
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|
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/* CLK_DIV_R0X */
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#define CLK_DIV_R0X_VAL 0x10
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|
/* CLK_DIV_L0X */
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#define CLK_DIV_R1X_VAL 0x10
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|
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/* CLK_DIV_ISP0 */
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#define CLK_DIV_ISP0_VAL 0x31
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|
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|
/* CLK_DIV_ISP1 */
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#define CLK_DIV_ISP1_VAL 0x0
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|
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|
/* CLK_DIV_ISP2 */
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#define CLK_DIV_ISP2_VAL 0x1
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|
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|
/* CLK_SRC_DISP1_0 */
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#define CLK_SRC_DISP1_0_VAL 0x6
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|
/*
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* DIV_DISP1_0
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* For DP, divisor should be 2
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*/
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#define CLK_DIV_DISP1_0_FIMD1 (2 << 0)
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|
|
/* CLK_GATE_IP_DISP1 */
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#define CLK_GATE_DP1_ALLOW (1 << 4)
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|
|
/*
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* TZPC Register Value :
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* R0SIZE: 0x0 : Size of secured ram
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|
*/
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#define R0SIZE 0x0
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|
|
|
/*
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* TZPC Decode Protection Register Value :
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* DECPROTXSET: 0xFF : Set Decode region to non-secure
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|
*/
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|
#define DECPROTXSET 0xFF
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|
|
|
#define DDR3PHY_CTRL_PHY_RESET (1 << 0)
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#define DDR3PHY_CTRL_PHY_RESET_OFF (0 << 0)
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|
|
|
#define PHY_CON0_RESET_VAL 0x17020a40
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|
#define P0_CMD_EN (1 << 14)
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#define BYTE_RDLVL_EN (1 << 13)
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|
#define CTRL_SHGATE (1 << 8)
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|
|
|
#define PHY_CON1_RESET_VAL 0x09210100
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|
#define CTRL_GATEDURADJ_MASK (0xf << 20)
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|
|
|
#define PHY_CON2_RESET_VAL 0x00010004
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|
#define INIT_DESKEW_EN (1 << 6)
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|
#define RDLVL_GATE_EN (1 << 24)
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|
|
|
/*ZQ Configurations */
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|
#define PHY_CON16_RESET_VAL 0x08000304
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|
|
|
#define ZQ_CLK_DIV_EN (1 << 18)
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|
#define ZQ_MANUAL_STR (1 << 1)
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|
#define ZQ_DONE (1 << 0)
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|
|
|
#define CTRL_RDLVL_GATE_ENABLE 1
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|
#define CTRL_RDLVL_GATE_DISABLE 1
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|
|
|
/* Direct Command */
|
|
#define DIRECT_CMD_NOP 0x07000000
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|
#define DIRECT_CMD_PALL 0x01000000
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|
#define DIRECT_CMD_ZQINIT 0x0a000000
|
|
#define DIRECT_CMD_CHANNEL_SHIFT 28
|
|
#define DIRECT_CMD_CHIP_SHIFT 20
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|
|
|
/* 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 */
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|
|
|
/* 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
|