mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-15 09:27:35 +00:00
1a5038ca68
This patch adds support for the EMIF4 interface available in the AM35x processors. Signed-off-by: Vaibhav Hiremath <hvaibhav@ti.com> Signed-off-by: Sanjeev Premi <premi@ti.com> Signed-off-by: Sandeep Paulraj <s-paulraj@ti.com>
79 lines
2.4 KiB
C
79 lines
2.4 KiB
C
/*
|
|
* Auther:
|
|
* Vaibhav Hiremath <hvaibhav@ti.com>
|
|
*
|
|
* Copyright (C) 2010
|
|
* Texas Instruments Incorporated - http://www.ti.com/
|
|
*
|
|
* 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 _EMIF_H_
|
|
#define _EMIF_H_
|
|
|
|
/*
|
|
* Configuration values
|
|
*/
|
|
#define EMIF4_TIM1_T_RP (0x3 << 25)
|
|
#define EMIF4_TIM1_T_RCD (0x3 << 21)
|
|
#define EMIF4_TIM1_T_WR (0x3 << 17)
|
|
#define EMIF4_TIM1_T_RAS (0x8 << 12)
|
|
#define EMIF4_TIM1_T_RC (0xA << 6)
|
|
#define EMIF4_TIM1_T_RRD (0x2 << 3)
|
|
#define EMIF4_TIM1_T_WTR (0x2)
|
|
|
|
#define EMIF4_TIM2_T_XP (0x2 << 28)
|
|
#define EMIF4_TIM2_T_ODT (0x0 << 25)
|
|
#define EMIF4_TIM2_T_XSNR (0x1C << 16)
|
|
#define EMIF4_TIM2_T_XSRD (0xC8 << 6)
|
|
#define EMIF4_TIM2_T_RTP (0x1 << 3)
|
|
#define EMIF4_TIM2_T_CKE (0x2)
|
|
|
|
#define EMIF4_TIM3_T_RFC (0x25 << 4)
|
|
#define EMIF4_TIM3_T_RAS_MAX (0x7)
|
|
|
|
#define EMIF4_PWR_IDLE_MODE (0x2 << 30)
|
|
#define EMIF4_PWR_DPD_DIS (0x0 << 10)
|
|
#define EMIF4_PWR_DPD_EN (0x1 << 10)
|
|
#define EMIF4_PWR_LP_MODE (0x0 << 8)
|
|
#define EMIF4_PWR_PM_TIM (0x0)
|
|
|
|
#define EMIF4_INITREF_DIS (0x0 << 31)
|
|
#define EMIF4_REFRESH_RATE (0x50F)
|
|
|
|
#define EMIF4_CFG_SDRAM_TYP (0x2 << 29)
|
|
#define EMIF4_CFG_IBANK_POS (0x0 << 27)
|
|
#define EMIF4_CFG_DDR_TERM (0x0 << 24)
|
|
#define EMIF4_CFG_DDR2_DDQS (0x1 << 23)
|
|
#define EMIF4_CFG_DDR_DIS_DLL (0x0 << 20)
|
|
#define EMIF4_CFG_SDR_DRV (0x0 << 18)
|
|
#define EMIF4_CFG_NARROW_MD (0x0 << 14)
|
|
#define EMIF4_CFG_CL (0x5 << 10)
|
|
#define EMIF4_CFG_ROWSIZE (0x0 << 7)
|
|
#define EMIF4_CFG_IBANK (0x3 << 4)
|
|
#define EMIF4_CFG_EBANK (0x0 << 3)
|
|
#define EMIF4_CFG_PGSIZE (0x2)
|
|
|
|
/*
|
|
* EMIF4 PHY Control 1 register configuration
|
|
*/
|
|
#define EMIF4_DDR1_EXT_STRB_EN (0x1 << 7)
|
|
#define EMIF4_DDR1_EXT_STRB_DIS (0x0 << 7)
|
|
#define EMIF4_DDR1_PWRDN_DIS (0x0 << 6)
|
|
#define EMIF4_DDR1_PWRDN_EN (0x1 << 6)
|
|
#define EMIF4_DDR1_READ_LAT (0x6 << 0)
|
|
|
|
#endif /* endif _EMIF_H_ */
|