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arm, davinci: add ddr2 definition
Signed-off-by: Heiko Schocher <hs@denx.de> Cc: Paulraj Sandeep <s-paulraj@ti.com> Cc: Albert ARIBAUD <albert.u.boot@aribaud.net> Signed-off-by: Sandeep Paulraj <s-paulraj@ti.com>
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arch/arm/include/asm/arch-davinci/ddr2_defs.h
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arch/arm/include/asm/arch-davinci/ddr2_defs.h
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/*
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* Copyright (C) 2011
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* Heiko Schocher, DENX Software Engineering, hs@denx.de.
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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 _DV_DDR2_DEFS_H_
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#define _DV_DDR2_DEFS_H_
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/*
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* DDR2 Memory Ctrl Register structure
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* See sprueh7d.pdf for more details.
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*/
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struct dv_ddr2_regs_ctrl {
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unsigned char rsvd0[4]; /* 0x00 */
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unsigned int sdrstat; /* 0x04 */
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unsigned int sdbcr; /* 0x08 */
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unsigned int sdrcr; /* 0x0C */
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unsigned int sdtimr; /* 0x10 */
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unsigned int sdtimr2; /* 0x14 */
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unsigned char rsvd1[4]; /* 0x18 */
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unsigned int sdbcr2; /* 0x1C */
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unsigned int pbbpr; /* 0x20 */
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unsigned char rsvd2[156]; /* 0x24 */
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unsigned int irr; /* 0xC0 */
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unsigned int imr; /* 0xC4 */
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unsigned int imsr; /* 0xC8 */
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unsigned int imcr; /* 0xCC */
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unsigned char rsvd3[20]; /* 0xD0 */
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unsigned int ddrphycr; /* 0xE4 */
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unsigned int ddrphycr2; /* 0xE8 */
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unsigned char rsvd4[4]; /* 0xEC */
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};
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#define DV_DDR_PHY_PWRDNEN 0x40
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#define DV_DDR_PHY_EXT_STRBEN 0x80
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#define DV_DDR_PHY_RD_LATENCY_SHIFT 0
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#define DV_DDR_SDTMR1_RFC_SHIFT 25
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#define DV_DDR_SDTMR1_RP_SHIFT 22
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#define DV_DDR_SDTMR1_RCD_SHIFT 19
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#define DV_DDR_SDTMR1_WR_SHIFT 16
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#define DV_DDR_SDTMR1_RAS_SHIFT 11
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#define DV_DDR_SDTMR1_RC_SHIFT 6
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#define DV_DDR_SDTMR1_RRD_SHIFT 3
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#define DV_DDR_SDTMR1_WTR_SHIFT 0
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#define DV_DDR_SDTMR2_RASMAX_SHIFT 27
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#define DV_DDR_SDTMR2_XP_SHIFT 25
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#define DV_DDR_SDTMR2_XSNR_SHIFT 16
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#define DV_DDR_SDTMR2_XSRD_SHIFT 8
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#define DV_DDR_SDTMR2_RTP_SHIFT 5
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#define DV_DDR_SDTMR2_CKE_SHIFT 0
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#define DV_DDR_SDCR_DDR2TERM1_SHIFT 27
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#define DV_DDR_SDCR_IBANK_POS_SHIFT 26
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#define DV_DDR_SDCR_MSDRAMEN_SHIFT 25
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#define DV_DDR_SDCR_DDRDRIVE1_SHIFT 24
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#define DV_DDR_SDCR_BOOTUNLOCK_SHIFT 23
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#define DV_DDR_SDCR_DDR_DDQS_SHIFT 22
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#define DV_DDR_SDCR_DDR2EN_SHIFT 20
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#define DV_DDR_SDCR_DDRDRIVE0_SHIFT 18
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#define DV_DDR_SDCR_DDREN_SHIFT 17
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#define DV_DDR_SDCR_SDRAMEN_SHIFT 16
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#define DV_DDR_SDCR_TIMUNLOCK_SHIFT 15
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#define DV_DDR_SDCR_BUS_WIDTH_SHIFT 14
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#define DV_DDR_SDCR_CL_SHIFT 9
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#define DV_DDR_SDCR_IBANK_SHIFT 4
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#define DV_DDR_SDCR_PAGESIZE_SHIFT 0
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#define DV_DDR_SRCR_LPMODEN_SHIFT 31
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#define DV_DDR_SRCR_MCLKSTOPEN_SHIFT 30
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#define DV_DDR_BOOTUNLOCK (1 << DV_DDR_SDCR_BOOTUNLOCK_SHIFT)
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#define DV_DDR_TIMUNLOCK (1 << DV_DDR_SDCR_TIMUNLOCK_SHIFT)
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#define dv_ddr2_regs_ctrl \
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((struct dv_ddr2_regs_ctrl *)DAVINCI_DDR_EMIF_CTRL_BASE)
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#endif /* _DV_DDR2_DEFS_H_ */
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