include/asm-arm/arch-arm720t/netarm_mem_module.h - u-boot - Git at Google


            
            /*

            
             * include/asm-armnommu/arch-netarm/netarm_mem_module.h

            
             *

            
             * Copyright (C) 2005

            
             * Art Shipkowski, Videon Central, Inc., <art@videon-central.com>

            
             *

            
             * Copyright (C) 2000, 2001 NETsilicon, Inc.

            
             * Copyright (C) 2000, 2001 Red Hat, Inc.

            
             *

            
             * This software is copyrighted by Red Hat. LICENSEE agrees that

            
             * it will not delete this copyright notice, trademarks or protective

            
             * notices from any copy made by LICENSEE.

            
             *

            
             * This software is provided "AS-IS" and any express or implied

            
             * warranties or conditions, including but not limited to any

            
             * implied warranties of merchantability and fitness for a particular

            
             * purpose regarding this software. In no event shall Red Hat

            
             * be liable for any indirect, consequential, or incidental damages,

            
             * loss of profits or revenue, loss of use or data, or interruption

            
             * of business, whether the alleged damages are labeled in contract,

            
             * tort, or indemnity.

            
             *

            
             * 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.

            
             *

            
             * 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., 675 Mass Ave, Cambridge, MA 02139, USA.

            
             *

            
             * author(s) : Joe deBlaquiere

            
             *

            
             * Modified to support NS7520 by Art Shipkowski.

            
             */


            #ifndef __NETARM_MEM_MODULE_REGISTERS_H

            
            #define __NETARM_MEM_MODULE_REGISTERS_H


            /* GEN unit register offsets */


            #define	NETARM_MEM_MODULE_BASE		(0xFFC00000)


            #define	NETARM_MEM_MODULE_CONFIG	(0x00)

            
            #define	NETARM_MEM_CS0_BASE_ADDR	(0x10)

            
            #define	NETARM_MEM_CS0_OPTIONS		(0x14)

            
            #define	NETARM_MEM_CS1_BASE_ADDR	(0x20)

            
            #define	NETARM_MEM_CS1_OPTIONS		(0x24)

            
            #define	NETARM_MEM_CS2_BASE_ADDR	(0x30)

            
            #define	NETARM_MEM_CS2_OPTIONS		(0x34)

            
            #define	NETARM_MEM_CS3_BASE_ADDR	(0x40)

            
            #define	NETARM_MEM_CS3_OPTIONS		(0x44)

            
            #define	NETARM_MEM_CS4_BASE_ADDR	(0x50)

            
            #define	NETARM_MEM_CS4_OPTIONS		(0x54)


            /* select bitfield defintions */


            /* Module Configuration Register ( 0xFFC0_0000 ) */


            #define NETARM_MEM_CFG_REFR_COUNT_MASK	(0xFF000000)

            
            #define NETARM_MEM_CFG_REFRESH_EN	(0x00800000)


            #define NETARM_MEM_CFG_REFR_CYCLE_8CLKS	(0x00000000)

            
            #define NETARM_MEM_CFG_REFR_CYCLE_6CLKS	(0x00200000)

            
            #define NETARM_MEM_CFG_REFR_CYCLE_5CLKS	(0x00400000)

            
            #define NETARM_MEM_CFG_REFR_CYCLE_4CLKS	(0x00600000)


            #define NETARM_MEM_CFG_PORTC_AMUX	(0x00100000)


            #define NETARM_MEM_CFG_A27_ADDR		(0x00080000)

            
            #define NETARM_MEM_CFG_A27_CS0OE	(0x00000000)


            #define NETARM_MEM_CFG_A26_ADDR		(0x00040000)

            
            #define NETARM_MEM_CFG_A26_CS0WE	(0x00000000)


            #define NETARM_MEM_CFG_A25_ADDR		(0x00020000)

            
            #define NETARM_MEM_CFG_A25_BLAST	(0x00000000)


            #define NETARM_MEM_CFG_PORTC_AMUX2	(0x00010000)


            /* range on this period is about 1 to 275 usec (with 18.432MHz clock)   */

            
            /* the expression will round down, so make sure to reverse it to verify */

            
            /* it is what you want. period = [( count + 1 ) * 20] / Fcrystal        */

            
            /* (note: Fxtal = Fcrystal/5, see HWRefGuide sections 8.2.5 and 11.3.2) */


            #define	NETARM_MEM_REFR_PERIOD_USEC(p)	(NETARM_MEM_CFG_REFR_COUNT_MASK & \

            
            					 (((((NETARM_XTAL_FREQ/(1000))*p)/(20000) \

            
            					    ) - (1) ) << (24)))


            #if 0

            
            /* range on this period is about 1 to 275 usec (with 18.432MHz clock) */

            
            /* the expression will round down, so make sure to reverse it toverify */

            
            /* it is what you want. period = [( count + 1 ) * 4] / Fxtal          */


            #define	NETARM_MEM_REFR_PERIOD_USEC(p)	(NETARM_MEM_CFG_REFR_COUNT_MASK & \

            
            					 (((((NETARM_XTAL_FREQ/(1000))*p)/(4000) \

            
            					    ) - (1) ) << (24)))

            
            #endif


            /* Base Address Registers (0xFFC0_00X0) */


            #define NETARM_MEM_BAR_BASE_MASK	(0xFFFFF000)


            /* macro to define base */


            #define NETARM_MEM_BAR_BASE(x)		((x) & NETARM_MEM_BAR_BASE_MASK)


            #define NETARM_MEM_BAR_DRAM_FP		(0x00000000)

            
            #define NETARM_MEM_BAR_DRAM_EDO		(0x00000100)

            
            #define NETARM_MEM_BAR_DRAM_SYNC	(0x00000200)


            #define NETARM_MEM_BAR_DRAM_MUX_INT	(0x00000000)

            
            #define NETARM_MEM_BAR_DRAM_MUX_EXT	(0x00000080)


            #define NETARM_MEM_BAR_DRAM_MUX_BAL	(0x00000000)

            
            #define NETARM_MEM_BAR_DRAM_MUX_UNBAL	(0x00000020)


            #define NETARM_MEM_BAR_1BCLK_IDLE	(0x00000010)


            #define NETARM_MEM_BAR_DRAM_SEL		(0x00000008)


            #define NETARM_MEM_BAR_BURST_EN		(0x00000004)


            #define NETARM_MEM_BAR_WRT_PROT		(0x00000002)


            #define NETARM_MEM_BAR_VALID		(0x00000001)


            /* Option Registers (0xFFC0_00X4) */


            /* macro to define which bits of the base are significant */


            #define NETARM_MEM_OPT_BASE_USE(x)	((x) & NETARM_MEM_BAR_BASE_MASK)


            #define NETARM_MEM_OPT_WAIT_MASK	(0x00000F00)


            #define	NETARM_MEM_OPT_WAIT_STATES(x)	(((x) << 8 ) & NETARM_MEM_OPT_WAIT_MASK )


            #define NETARM_MEM_OPT_BCYC_1		(0x00000000)

            
            #define NETARM_MEM_OPT_BCYC_2		(0x00000040)

            
            #define NETARM_MEM_OPT_BCYC_3		(0x00000080)

            
            #define NETARM_MEM_OPT_BCYC_4		(0x000000C0)


            #define NETARM_MEM_OPT_BSIZE_2		(0x00000000)

            
            #define NETARM_MEM_OPT_BSIZE_4		(0x00000010)

            
            #define NETARM_MEM_OPT_BSIZE_8		(0x00000020)

            
            #define NETARM_MEM_OPT_BSIZE_16		(0x00000030)


            #define NETARM_MEM_OPT_32BIT		(0x00000000)

            
            #define NETARM_MEM_OPT_16BIT		(0x00000004)

            
            #define NETARM_MEM_OPT_8BIT		(0x00000008)

            
            #define NETARM_MEM_OPT_32BIT_EXT_ACK	(0x0000000C)


            #define NETARM_MEM_OPT_BUS_SIZE_MASK	(0x0000000C)


            #define NETARM_MEM_OPT_READ_ASYNC	(0x00000000)

            
            #define NETARM_MEM_OPT_READ_SYNC	(0x00000002)


            #define NETARM_MEM_OPT_WRITE_ASYNC	(0x00000000)

            
            #define NETARM_MEM_OPT_WRITE_SYNC	(0x00000001)


            #ifdef CONFIG_NETARM_NS7520

            
            /* The NS7520 has a second options register for each chip select */

            
            #define	NETARM_MEM_CS0_OPTIONS_B  (0x18)

            
            #define	NETARM_MEM_CS1_OPTIONS_B  (0x28)

            
            #define	NETARM_MEM_CS2_OPTIONS_B  (0x38)

            
            #define	NETARM_MEM_CS3_OPTIONS_B  (0x48)

            
            #define	NETARM_MEM_CS4_OPTIONS_B  (0x58)


            /* Option B Registers (0xFFC0_00x8) */

            
            #define NETARM_MEM_OPTB_SYNC_1_STAGE	(0x00000001)

            
            #define NETARM_MEM_OPTB_SYNC_2_STAGE	(0x00000002)

            
            #define NETARM_MEM_OPTB_BCYC_PLUS0   	(0x00000000)

            
            #define NETARM_MEM_OPTB_BCYC_PLUS4   	(0x00000004)

            
            #define NETARM_MEM_OPTB_BCYC_PLUS8   	(0x00000008)

            
            #define NETARM_MEM_OPTB_BCYC_PLUS12  	(0x0000000C)


            #define NETARM_MEM_OPTB_WAIT_PLUS0   	(0x00000000)

            
            #define NETARM_MEM_OPTB_WAIT_PLUS16   	(0x00000010)

            
            #define NETARM_MEM_OPTB_WAIT_PLUS32   	(0x00000020)

            
            #define NETARM_MEM_OPTB_WAIT_PLUS48   	(0x00000030)

            
            #endif


            #endif
	/*
	* include/asm-armnommu/arch-netarm/netarm_mem_module.h
	*
	* Copyright (C) 2005
	* Art Shipkowski, Videon Central, Inc., <art@videon-central.com>
	*
	* Copyright (C) 2000, 2001 NETsilicon, Inc.
	* Copyright (C) 2000, 2001 Red Hat, Inc.
	*
	* This software is copyrighted by Red Hat. LICENSEE agrees that
	* it will not delete this copyright notice, trademarks or protective
	* notices from any copy made by LICENSEE.
	*
	* This software is provided "AS-IS" and any express or implied
	* warranties or conditions, including but not limited to any
	* implied warranties of merchantability and fitness for a particular
	* purpose regarding this software. In no event shall Red Hat
	* be liable for any indirect, consequential, or incidental damages,
	* loss of profits or revenue, loss of use or data, or interruption
	* of business, whether the alleged damages are labeled in contract,
	* tort, or indemnity.
	*
	* 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.
	*
	* 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., 675 Mass Ave, Cambridge, MA 02139, USA.
	*
	* author(s) : Joe deBlaquiere
	*
	* Modified to support NS7520 by Art Shipkowski.
	*/

	#ifndef __NETARM_MEM_MODULE_REGISTERS_H
	#define __NETARM_MEM_MODULE_REGISTERS_H

	/* GEN unit register offsets */

	#define NETARM_MEM_MODULE_BASE (0xFFC00000)

	#define NETARM_MEM_MODULE_CONFIG (0x00)
	#define NETARM_MEM_CS0_BASE_ADDR (0x10)
	#define NETARM_MEM_CS0_OPTIONS (0x14)
	#define NETARM_MEM_CS1_BASE_ADDR (0x20)
	#define NETARM_MEM_CS1_OPTIONS (0x24)
	#define NETARM_MEM_CS2_BASE_ADDR (0x30)
	#define NETARM_MEM_CS2_OPTIONS (0x34)
	#define NETARM_MEM_CS3_BASE_ADDR (0x40)
	#define NETARM_MEM_CS3_OPTIONS (0x44)
	#define NETARM_MEM_CS4_BASE_ADDR (0x50)
	#define NETARM_MEM_CS4_OPTIONS (0x54)

	/* select bitfield defintions */

	/* Module Configuration Register ( 0xFFC0_0000 ) */

	#define NETARM_MEM_CFG_REFR_COUNT_MASK (0xFF000000)
	#define NETARM_MEM_CFG_REFRESH_EN (0x00800000)

	#define NETARM_MEM_CFG_REFR_CYCLE_8CLKS (0x00000000)
	#define NETARM_MEM_CFG_REFR_CYCLE_6CLKS (0x00200000)
	#define NETARM_MEM_CFG_REFR_CYCLE_5CLKS (0x00400000)
	#define NETARM_MEM_CFG_REFR_CYCLE_4CLKS (0x00600000)

	#define NETARM_MEM_CFG_PORTC_AMUX (0x00100000)

	#define NETARM_MEM_CFG_A27_ADDR (0x00080000)
	#define NETARM_MEM_CFG_A27_CS0OE (0x00000000)

	#define NETARM_MEM_CFG_A26_ADDR (0x00040000)
	#define NETARM_MEM_CFG_A26_CS0WE (0x00000000)

	#define NETARM_MEM_CFG_A25_ADDR (0x00020000)
	#define NETARM_MEM_CFG_A25_BLAST (0x00000000)

	#define NETARM_MEM_CFG_PORTC_AMUX2 (0x00010000)


	/* range on this period is about 1 to 275 usec (with 18.432MHz clock) */
	/* the expression will round down, so make sure to reverse it to verify */
	/* it is what you want. period = [( count + 1 ) * 20] / Fcrystal */
	/* (note: Fxtal = Fcrystal/5, see HWRefGuide sections 8.2.5 and 11.3.2) */

	#define NETARM_MEM_REFR_PERIOD_USEC(p) (NETARM_MEM_CFG_REFR_COUNT_MASK & \
	(((((NETARM_XTAL_FREQ/(1000))*p)/(20000) \
	) - (1) ) << (24)))

	#if 0
	/* range on this period is about 1 to 275 usec (with 18.432MHz clock) */
	/* the expression will round down, so make sure to reverse it toverify */
	/* it is what you want. period = [( count + 1 ) * 4] / Fxtal */

	#define NETARM_MEM_REFR_PERIOD_USEC(p) (NETARM_MEM_CFG_REFR_COUNT_MASK & \
	(((((NETARM_XTAL_FREQ/(1000))*p)/(4000) \
	) - (1) ) << (24)))
	#endif

	/* Base Address Registers (0xFFC0_00X0) */

	#define NETARM_MEM_BAR_BASE_MASK (0xFFFFF000)

	/* macro to define base */

	#define NETARM_MEM_BAR_BASE(x) ((x) & NETARM_MEM_BAR_BASE_MASK)

	#define NETARM_MEM_BAR_DRAM_FP (0x00000000)
	#define NETARM_MEM_BAR_DRAM_EDO (0x00000100)
	#define NETARM_MEM_BAR_DRAM_SYNC (0x00000200)

	#define NETARM_MEM_BAR_DRAM_MUX_INT (0x00000000)
	#define NETARM_MEM_BAR_DRAM_MUX_EXT (0x00000080)

	#define NETARM_MEM_BAR_DRAM_MUX_BAL (0x00000000)
	#define NETARM_MEM_BAR_DRAM_MUX_UNBAL (0x00000020)

	#define NETARM_MEM_BAR_1BCLK_IDLE (0x00000010)

	#define NETARM_MEM_BAR_DRAM_SEL (0x00000008)

	#define NETARM_MEM_BAR_BURST_EN (0x00000004)

	#define NETARM_MEM_BAR_WRT_PROT (0x00000002)

	#define NETARM_MEM_BAR_VALID (0x00000001)

	/* Option Registers (0xFFC0_00X4) */

	/* macro to define which bits of the base are significant */

	#define NETARM_MEM_OPT_BASE_USE(x) ((x) & NETARM_MEM_BAR_BASE_MASK)

	#define NETARM_MEM_OPT_WAIT_MASK (0x00000F00)

	#define NETARM_MEM_OPT_WAIT_STATES(x) (((x) << 8 ) & NETARM_MEM_OPT_WAIT_MASK )

	#define NETARM_MEM_OPT_BCYC_1 (0x00000000)
	#define NETARM_MEM_OPT_BCYC_2 (0x00000040)
	#define NETARM_MEM_OPT_BCYC_3 (0x00000080)
	#define NETARM_MEM_OPT_BCYC_4 (0x000000C0)

	#define NETARM_MEM_OPT_BSIZE_2 (0x00000000)
	#define NETARM_MEM_OPT_BSIZE_4 (0x00000010)
	#define NETARM_MEM_OPT_BSIZE_8 (0x00000020)
	#define NETARM_MEM_OPT_BSIZE_16 (0x00000030)

	#define NETARM_MEM_OPT_32BIT (0x00000000)
	#define NETARM_MEM_OPT_16BIT (0x00000004)
	#define NETARM_MEM_OPT_8BIT (0x00000008)
	#define NETARM_MEM_OPT_32BIT_EXT_ACK (0x0000000C)

	#define NETARM_MEM_OPT_BUS_SIZE_MASK (0x0000000C)

	#define NETARM_MEM_OPT_READ_ASYNC (0x00000000)
	#define NETARM_MEM_OPT_READ_SYNC (0x00000002)

	#define NETARM_MEM_OPT_WRITE_ASYNC (0x00000000)
	#define NETARM_MEM_OPT_WRITE_SYNC (0x00000001)

	#ifdef CONFIG_NETARM_NS7520
	/* The NS7520 has a second options register for each chip select */
	#define NETARM_MEM_CS0_OPTIONS_B (0x18)
	#define NETARM_MEM_CS1_OPTIONS_B (0x28)
	#define NETARM_MEM_CS2_OPTIONS_B (0x38)
	#define NETARM_MEM_CS3_OPTIONS_B (0x48)
	#define NETARM_MEM_CS4_OPTIONS_B (0x58)

	/* Option B Registers (0xFFC0_00x8) */
	#define NETARM_MEM_OPTB_SYNC_1_STAGE (0x00000001)
	#define NETARM_MEM_OPTB_SYNC_2_STAGE (0x00000002)
	#define NETARM_MEM_OPTB_BCYC_PLUS0 (0x00000000)
	#define NETARM_MEM_OPTB_BCYC_PLUS4 (0x00000004)
	#define NETARM_MEM_OPTB_BCYC_PLUS8 (0x00000008)
	#define NETARM_MEM_OPTB_BCYC_PLUS12 (0x0000000C)

	#define NETARM_MEM_OPTB_WAIT_PLUS0 (0x00000000)
	#define NETARM_MEM_OPTB_WAIT_PLUS16 (0x00000010)
	#define NETARM_MEM_OPTB_WAIT_PLUS32 (0x00000020)
	#define NETARM_MEM_OPTB_WAIT_PLUS48 (0x00000030)
	#endif

	#endif