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/*
 * (C) Copyright 2004
 * Texas Instruments, <www.ti.com>
 * Richard Woodruff <r-woodruff2@ti.com>
 *
 * 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 _OMAP24XX_MEM_H_
#define _OMAP24XX_MEM_H_

#define SDRC_CS0_OSET    0x0
#define SDRC_CS1_OSET    0x30  /* mirror CS1 regs appear offset 0x30 from CS0 */

#ifndef __ASSEMBLY__
/* struct's for holding data tables for current boards, they are getting used
   early in init when NO global access are there */
struct sdrc_data_s {
	u32    sdrc_sharing;
	u32    sdrc_mdcfg_0_ddr;
	u32    sdrc_mdcfg_0_sdr;
	u32    sdrc_actim_ctrla_0;
	u32    sdrc_actim_ctrlb_0;
	u32    sdrc_rfr_ctrl;
	u32    sdrc_mr_0_ddr;
	u32    sdrc_mr_0_sdr;
	u32    sdrc_dlla_ctrl;
	u32    sdrc_dllb_ctrl;
} /*__attribute__ ((packed))*/;
typedef struct sdrc_data_s sdrc_data_t;

typedef enum {
	STACKED		= 0,
	IP_DDR		= 1,
	COMBO_DDR	= 2,
	IP_SDR	 	= 3,
} mem_t;

#endif

/* Slower full frequency range default timings for x32 operation*/
#define H4_2420_SDRC_SHARING               0x00000100
#define H4_2420_SDRC_MDCFG_0_SDR	0x00D04010 /* discrete sdr module */
#define H4_2420_SDRC_MR_0_SDR		0x00000031
#define H4_2420_SDRC_MDCFG_0_DDR	0x01702011 /* descrite ddr module */
#define H4_2420_COMBO_MDCFG_0_DDR	0x00801011 /* combo module */
#define H4_2420_SDRC_MR_0_DDR		0x00000032

#ifndef CONFIG_OPTIMIZE_DDR
# define H4_2420_SDRC_ACTIM_CTRLA_0	0x9bead909
# define H4_2420_SDRC_ACTIM_CTRLB_0	0x00000014
# define H4_2420_SDRC_RFR_CTRL_ES1	0x00002401
# define H4_2420_SDRC_RFR_CTRL		0x0002da01
#endif
#define H4_2420_SDRC_DLLA_CTRL		0x0000E307 /* DLL value used for 50MHz */
#define H4_2420_SDRC_DLLB_CTRL		0x0000E307 /* allow DPLLout*1 to work */

#define H4_2422_SDRC_SHARING		0x00004b00
#define H4_2422_SDRC_MDCFG_0_DDR	0x00801011 /* stacked ddr on 2422 */
#ifndef CONFIG_OPTIMIZE_DDR
# define H4_2422_SDRC_ACTIM_CTRLA_0	0x9BEAD909
# define H4_2422_SDRC_ACTIM_CTRLB_0	0x00000020
# define H4_2422_SDRC_RFR_CTRL_ES1	0x00002401
# define H4_2422_SDRC_RFR_CTRL		0x0002da01
#endif
#define H4_2422_SDRC_MR_0_DDR		0x00000032
#define H4_2422_SDRC_DLLA_CTRL		0x00007307
#define H4_2422_SDRC_DLLB_CTRL		0x00007307

/* optimized timings */
#define H4_242X_SDRC_ACTIM_CTRLA_0_100MHz  0x5A59B485
#define H4_242X_SDRC_ACTIM_CTRLB_0_100MHz  0x0000000e
#define H4_242X_SDRC_ACTIM_CTRLA_0_133MHz  0x8BA6E6C8	/* temp warn 0 settigs */
#define H4_242X_SDRC_ACTIM_CTRLB_0_133MHz  0x00000010   /* temp warn 0 settings */
#define H4_242X_SDRC_RFR_CTRL_100MHz	0x0002da01	/* this is not optimal yet */
#define H4_242X_SDRC_RFR_CTRL_133MHz	0x0003de01

#ifdef CONFIG_OPTIMIZE_DDR
# ifdef PRCM_CONFIG_II
#  define H4_2420_SDRC_ACTIM_CTRLA_0	H4_242X_SDRC_ACTIM_CTRLA_0_100MHz
#  define H4_2420_SDRC_ACTIM_CTRLB_0	H4_242X_SDRC_ACTIM_CTRLB_0_100MHz
#  define H4_2420_SDRC_RFR_CTRL_ES1	H4_242X_SDRC_RFR_CTRL_100MHz
#  define H4_2420_SDRC_RFR_CTRL		H4_242X_SDRC_RFR_CTRL_100MHz
# elif PRCM_CONFIG_III
#  define H4_2420_SDRC_ACTIM_CTRLA_0	H4_242X_SDRC_ACTIM_CTRLA_0_133MHz
#  define H4_2420_SDRC_ACTIM_CTRLB_0	H4_242X_SDRC_ACTIM_CTRLB_0_133MHz
#  define H4_2420_SDRC_RFR_CTRL_ES1	H4_242X_SDRC_RFR_CTRL_133MHz
#  define H4_2420_SDRC_RFR_CTRL		H4_242X_SDRC_RFR_CTRL_133MHz
# endif
# define H4_2422_SDRC_ACTIM_CTRLA_0	H4_2420_SDRC_ACTIM_CTRLA_0
# define H4_2422_SDRC_ACTIM_CTRLB_0	H4_2420_SDRC_ACTIM_CTRLB_0
# define H4_2422_SDRC_RFR_CTRL_ES1	H4_2420_SDRC_RFR_CTRL_ES1
# define H4_2422_SDRC_RFR_CTRL		H4_2420_SDRC_RFR_CTRL
#endif


/* GPMC settings */
#ifdef PRCM_CONFIG_II        /* L3 at 100MHz */
#ifdef CFG_NAND_BOOT
#define H4_24XX_GPMC_CONFIG1_0   0x0
#define H4_24XX_GPMC_CONFIG2_0   0x00141400
#define H4_24XX_GPMC_CONFIG3_0   0x00141400
#define H4_24XX_GPMC_CONFIG4_0   0x0F010F01
#define H4_24XX_GPMC_CONFIG5_0   0x010C1414
#define H4_24XX_GPMC_CONFIG6_0   0x00000A80
#else
#define H4_24XX_GPMC_CONFIG1_0   0x3
#define H4_24XX_GPMC_CONFIG2_0   0x000f0f01
#define H4_24XX_GPMC_CONFIG3_0   0x00050502
#define H4_24XX_GPMC_CONFIG4_0   0x0C060C06
#define H4_24XX_GPMC_CONFIG5_0   0x01131F1F
#endif
#define H4_24XX_GPMC_CONFIG7_0   (0x00000C40|(H4_CS0_BASE >> 24))

#define H4_24XX_GPMC_CONFIG1_1   0x00011000
#define H4_24XX_GPMC_CONFIG2_1   0x001F1F00
#define H4_24XX_GPMC_CONFIG3_1   0x00080802
#define H4_24XX_GPMC_CONFIG4_1   0x1C091C09
#define H4_24XX_GPMC_CONFIG5_1   0x031A1F1F
#define H4_24XX_GPMC_CONFIG6_1   0x000003C2
#define H4_24XX_GPMC_CONFIG7_1   (0x00000F40|(H4_CS1_BASE >> 24))
#endif

#ifdef PRCM_CONFIG_III  /* L3 at 133MHz */
#ifdef CFG_NAND_BOOT
#define H4_24XX_GPMC_CONFIG1_0   0x0
#define H4_24XX_GPMC_CONFIG2_0   0x00141400
#define H4_24XX_GPMC_CONFIG3_0   0x00141400
#define H4_24XX_GPMC_CONFIG4_0   0x0F010F01
#define H4_24XX_GPMC_CONFIG5_0   0x010C1414
#define H4_24XX_GPMC_CONFIG6_0   0x00000A80
#else
#define H4_24XX_GPMC_CONFIG1_0   0x3
#define H4_24XX_GPMC_CONFIG2_0   0x00151501
#define H4_24XX_GPMC_CONFIG3_0   0x00060602
#define H4_24XX_GPMC_CONFIG4_0   0x10081008
#define H4_24XX_GPMC_CONFIG5_0   0x01131F1F
#define H4_24XX_GPMC_CONFIG6_0   0x000004c4
#endif
#define H4_24XX_GPMC_CONFIG7_0   (0x00000C40|(H4_CS0_BASE >> 24))

#define H4_24XX_GPMC_CONFIG1_1   0x00011000
#define H4_24XX_GPMC_CONFIG2_1   0x001f1f01
#define H4_24XX_GPMC_CONFIG3_1   0x00080803
#define H4_24XX_GPMC_CONFIG4_1   0x1C091C09
#define H4_24XX_GPMC_CONFIG5_1   0x041f1F1F
#define H4_24XX_GPMC_CONFIG6_1   0x000004C4
#define H4_24XX_GPMC_CONFIG7_1   (0x00000F40|(H4_CS1_BASE >> 24))
#endif

#ifdef CONFIG_APTIX /* SDRC-SDR for Aptix x16 */
#define VAL_H4_SDRC_SHARING_16   0x00002400  /* No-Tristate, 16bit on D31-D16, CS1=dont care */
#define VAL_H4_SDRC_SHARING      0x00000100
#define VAL_H4_SDRC_MCFG_0_16    0x00901000  /* SDR-SDRAM,External,x16 bit */
#define VAL_H4_SDRC_MCFG_0       0x01702011
#define VAL_H4_SDRC_MR_0         0x00000029  /* Burst=2, Serial Mode, CAS 3*/
#define VAL_H4_SDRC_RFR_CTRL_0   0x00001703  /* refresh time */
#define VAL_H4_SDRC_DCDL2_CTRL   0x5A59B485
#endif

#endif