include/linux/amba/pl080.h - arm/linux-arm-legacy - Git at Google


            
            /* include/linux/amba/pl080.h

            
             *

            
             * Copyright 2008 Openmoko, Inc.

            
             * Copyright 2008 Simtec Electronics

            
             *      http://armlinux.simtec.co.uk/

            
             *      Ben Dooks <ben@simtec.co.uk>

            
             *

            
             * ARM PrimeCell PL080 DMA controller

            
             *

            
             * This program is free software; you can redistribute it and/or modify

            
             * it under the terms of the GNU General Public License version 2 as

            
             * published by the Free Software Foundation.

            
            */


            /* Note, there are some Samsung updates to this controller block which

            
             * make it not entierly compatible with the PL080 specification from

            
             * ARM. When in doubt, check the Samsung documentation first.

            
             *

            
             * The Samsung defines are PL080S, and add an extra control register,

            
             * the ability to move more than 2^11 counts of data and some extra

            
             * OneNAND features.

            
            */


            #ifndef ASM_PL080_H

            
            #define ASM_PL080_H


            #define PL080_INT_STATUS			(0x00)

            
            #define PL080_TC_STATUS				(0x04)

            
            #define PL080_TC_CLEAR				(0x08)

            
            #define PL080_ERR_STATUS			(0x0C)

            
            #define PL080_ERR_CLEAR				(0x10)

            
            #define PL080_RAW_TC_STATUS			(0x14)

            
            #define PL080_RAW_ERR_STATUS			(0x18)

            
            #define PL080_EN_CHAN				(0x1c)

            
            #define PL080_SOFT_BREQ				(0x20)

            
            #define PL080_SOFT_SREQ				(0x24)

            
            #define PL080_SOFT_LBREQ			(0x28)

            
            #define PL080_SOFT_LSREQ			(0x2C)


            #define PL080_CONFIG				(0x30)

            
            #define PL080_CONFIG_M2_BE			(1 << 2)

            
            #define PL080_CONFIG_M1_BE			(1 << 1)

            
            #define PL080_CONFIG_ENABLE			(1 << 0)


            #define PL080_SYNC				(0x34)


            /* Per channel configuration registers */


            #define PL080_Cx_STRIDE				(0x20)

            
            #define PL080_Cx_BASE(x)			((0x100 + (x * 0x20)))

            
            #define PL080_Cx_SRC_ADDR(x)			((0x100 + (x * 0x20)))

            
            #define PL080_Cx_DST_ADDR(x)			((0x104 + (x * 0x20)))

            
            #define PL080_Cx_LLI(x)				((0x108 + (x * 0x20)))

            
            #define PL080_Cx_CONTROL(x)			((0x10C + (x * 0x20)))

            
            #define PL080_Cx_CONFIG(x)			((0x110 + (x * 0x20)))

            
            #define PL080S_Cx_CONTROL2(x)			((0x110 + (x * 0x20)))

            
            #define PL080S_Cx_CONFIG(x)			((0x114 + (x * 0x20)))


            #define PL080_CH_SRC_ADDR			(0x00)

            
            #define PL080_CH_DST_ADDR			(0x04)

            
            #define PL080_CH_LLI				(0x08)

            
            #define PL080_CH_CONTROL			(0x0C)

            
            #define PL080_CH_CONFIG				(0x10)

            
            #define PL080S_CH_CONTROL2			(0x10)

            
            #define PL080S_CH_CONFIG			(0x14)


            #define PL080_LLI_ADDR_MASK			(0x3fffffff << 2)

            
            #define PL080_LLI_ADDR_SHIFT			(2)

            
            #define PL080_LLI_LM_AHB2			(1 << 0)


            #define PL080_CONTROL_TC_IRQ_EN			(1 << 31)

            
            #define PL080_CONTROL_PROT_MASK			(0x7 << 28)

            
            #define PL080_CONTROL_PROT_SHIFT		(28)

            
            #define PL080_CONTROL_PROT_CACHE		(1 << 30)

            
            #define PL080_CONTROL_PROT_BUFF			(1 << 29)

            
            #define PL080_CONTROL_PROT_SYS			(1 << 28)

            
            #define PL080_CONTROL_DST_INCR			(1 << 27)

            
            #define PL080_CONTROL_SRC_INCR			(1 << 26)

            
            #define PL080_CONTROL_DST_AHB2			(1 << 25)

            
            #define PL080_CONTROL_SRC_AHB2			(1 << 24)

            
            #define PL080_CONTROL_DWIDTH_MASK		(0x7 << 21)

            
            #define PL080_CONTROL_DWIDTH_SHIFT		(21)

            
            #define PL080_CONTROL_SWIDTH_MASK		(0x7 << 18)

            
            #define PL080_CONTROL_SWIDTH_SHIFT		(18)

            
            #define PL080_CONTROL_DB_SIZE_MASK		(0x7 << 15)

            
            #define PL080_CONTROL_DB_SIZE_SHIFT		(15)

            
            #define PL080_CONTROL_SB_SIZE_MASK		(0x7 << 12)

            
            #define PL080_CONTROL_SB_SIZE_SHIFT		(12)

            
            #define PL080_CONTROL_TRANSFER_SIZE_MASK	(0xfff << 0)

            
            #define PL080S_CONTROL_TRANSFER_SIZE_MASK	(0x1ffffff << 0)

            
            #define PL080_CONTROL_TRANSFER_SIZE_SHIFT	(0)


            #define PL080_BSIZE_1				(0x0)

            
            #define PL080_BSIZE_4				(0x1)

            
            #define PL080_BSIZE_8				(0x2)

            
            #define PL080_BSIZE_16				(0x3)

            
            #define PL080_BSIZE_32				(0x4)

            
            #define PL080_BSIZE_64				(0x5)

            
            #define PL080_BSIZE_128				(0x6)

            
            #define PL080_BSIZE_256				(0x7)


            #define PL080_WIDTH_8BIT			(0x0)

            
            #define PL080_WIDTH_16BIT			(0x1)

            
            #define PL080_WIDTH_32BIT			(0x2)


            #define PL080N_CONFIG_ITPROT			(1 << 20)

            
            #define PL080N_CONFIG_SECPROT			(1 << 19)

            
            #define PL080_CONFIG_HALT			(1 << 18)

            
            #define PL080_CONFIG_ACTIVE			(1 << 17)  /* RO */

            
            #define PL080_CONFIG_LOCK			(1 << 16)

            
            #define PL080_CONFIG_TC_IRQ_MASK		(1 << 15)

            
            #define PL080_CONFIG_ERR_IRQ_MASK		(1 << 14)

            
            #define PL080_CONFIG_FLOW_CONTROL_MASK		(0x7 << 11)

            
            #define PL080_CONFIG_FLOW_CONTROL_SHIFT		(11)

            
            #define PL080_CONFIG_DST_SEL_MASK		(0xf << 6)

            
            #define PL080_CONFIG_DST_SEL_SHIFT		(6)

            
            #define PL080_CONFIG_SRC_SEL_MASK		(0xf << 1)

            
            #define PL080_CONFIG_SRC_SEL_SHIFT		(1)

            
            #define PL080_CONFIG_ENABLE			(1 << 0)


            #define PL080_FLOW_MEM2MEM			(0x0)

            
            #define PL080_FLOW_MEM2PER			(0x1)

            
            #define PL080_FLOW_PER2MEM			(0x2)

            
            #define PL080_FLOW_SRC2DST			(0x3)

            
            #define PL080_FLOW_SRC2DST_DST			(0x4)

            
            #define PL080_FLOW_MEM2PER_PER			(0x5)

            
            #define PL080_FLOW_PER2MEM_PER			(0x6)

            
            #define PL080_FLOW_SRC2DST_SRC			(0x7)


            /* DMA linked list chain structure */


            struct pl080_lli {

            
            	u32	src_addr;

            
            	u32	dst_addr;

            
            	u32	next_lli;

            
            	u32	control0;

            
            };


            struct pl080s_lli {

            
            	u32	src_addr;

            
            	u32	dst_addr;

            
            	u32	next_lli;

            
            	u32	control0;

            
            	u32	control1;

            
            };


            #endif /* ASM_PL080_H */
	/* include/linux/amba/pl080.h
	*
	* Copyright 2008 Openmoko, Inc.
	* Copyright 2008 Simtec Electronics
	* http://armlinux.simtec.co.uk/
	* Ben Dooks <ben@simtec.co.uk>
	*
	* ARM PrimeCell PL080 DMA controller
	*
	* This program is free software; you can redistribute it and/or modify
	* it under the terms of the GNU General Public License version 2 as
	* published by the Free Software Foundation.
	*/

	/* Note, there are some Samsung updates to this controller block which
	* make it not entierly compatible with the PL080 specification from
	* ARM. When in doubt, check the Samsung documentation first.
	*
	* The Samsung defines are PL080S, and add an extra control register,
	* the ability to move more than 2^11 counts of data and some extra
	* OneNAND features.
	*/

	#ifndef ASM_PL080_H
	#define ASM_PL080_H

	#define PL080_INT_STATUS (0x00)
	#define PL080_TC_STATUS (0x04)
	#define PL080_TC_CLEAR (0x08)
	#define PL080_ERR_STATUS (0x0C)
	#define PL080_ERR_CLEAR (0x10)
	#define PL080_RAW_TC_STATUS (0x14)
	#define PL080_RAW_ERR_STATUS (0x18)
	#define PL080_EN_CHAN (0x1c)
	#define PL080_SOFT_BREQ (0x20)
	#define PL080_SOFT_SREQ (0x24)
	#define PL080_SOFT_LBREQ (0x28)
	#define PL080_SOFT_LSREQ (0x2C)

	#define PL080_CONFIG (0x30)
	#define PL080_CONFIG_M2_BE (1 << 2)
	#define PL080_CONFIG_M1_BE (1 << 1)
	#define PL080_CONFIG_ENABLE (1 << 0)

	#define PL080_SYNC (0x34)

	/* Per channel configuration registers */

	#define PL080_Cx_STRIDE (0x20)
	#define PL080_Cx_BASE(x) ((0x100 + (x * 0x20)))
	#define PL080_Cx_SRC_ADDR(x) ((0x100 + (x * 0x20)))
	#define PL080_Cx_DST_ADDR(x) ((0x104 + (x * 0x20)))
	#define PL080_Cx_LLI(x) ((0x108 + (x * 0x20)))
	#define PL080_Cx_CONTROL(x) ((0x10C + (x * 0x20)))
	#define PL080_Cx_CONFIG(x) ((0x110 + (x * 0x20)))
	#define PL080S_Cx_CONTROL2(x) ((0x110 + (x * 0x20)))
	#define PL080S_Cx_CONFIG(x) ((0x114 + (x * 0x20)))

	#define PL080_CH_SRC_ADDR (0x00)
	#define PL080_CH_DST_ADDR (0x04)
	#define PL080_CH_LLI (0x08)
	#define PL080_CH_CONTROL (0x0C)
	#define PL080_CH_CONFIG (0x10)
	#define PL080S_CH_CONTROL2 (0x10)
	#define PL080S_CH_CONFIG (0x14)

	#define PL080_LLI_ADDR_MASK (0x3fffffff << 2)
	#define PL080_LLI_ADDR_SHIFT (2)
	#define PL080_LLI_LM_AHB2 (1 << 0)

	#define PL080_CONTROL_TC_IRQ_EN (1 << 31)
	#define PL080_CONTROL_PROT_MASK (0x7 << 28)
	#define PL080_CONTROL_PROT_SHIFT (28)
	#define PL080_CONTROL_PROT_CACHE (1 << 30)
	#define PL080_CONTROL_PROT_BUFF (1 << 29)
	#define PL080_CONTROL_PROT_SYS (1 << 28)
	#define PL080_CONTROL_DST_INCR (1 << 27)
	#define PL080_CONTROL_SRC_INCR (1 << 26)
	#define PL080_CONTROL_DST_AHB2 (1 << 25)
	#define PL080_CONTROL_SRC_AHB2 (1 << 24)
	#define PL080_CONTROL_DWIDTH_MASK (0x7 << 21)
	#define PL080_CONTROL_DWIDTH_SHIFT (21)
	#define PL080_CONTROL_SWIDTH_MASK (0x7 << 18)
	#define PL080_CONTROL_SWIDTH_SHIFT (18)
	#define PL080_CONTROL_DB_SIZE_MASK (0x7 << 15)
	#define PL080_CONTROL_DB_SIZE_SHIFT (15)
	#define PL080_CONTROL_SB_SIZE_MASK (0x7 << 12)
	#define PL080_CONTROL_SB_SIZE_SHIFT (12)
	#define PL080_CONTROL_TRANSFER_SIZE_MASK (0xfff << 0)
	#define PL080S_CONTROL_TRANSFER_SIZE_MASK (0x1ffffff << 0)
	#define PL080_CONTROL_TRANSFER_SIZE_SHIFT (0)

	#define PL080_BSIZE_1 (0x0)
	#define PL080_BSIZE_4 (0x1)
	#define PL080_BSIZE_8 (0x2)
	#define PL080_BSIZE_16 (0x3)
	#define PL080_BSIZE_32 (0x4)
	#define PL080_BSIZE_64 (0x5)
	#define PL080_BSIZE_128 (0x6)
	#define PL080_BSIZE_256 (0x7)

	#define PL080_WIDTH_8BIT (0x0)
	#define PL080_WIDTH_16BIT (0x1)
	#define PL080_WIDTH_32BIT (0x2)

	#define PL080N_CONFIG_ITPROT (1 << 20)
	#define PL080N_CONFIG_SECPROT (1 << 19)
	#define PL080_CONFIG_HALT (1 << 18)
	#define PL080_CONFIG_ACTIVE (1 << 17) /* RO */
	#define PL080_CONFIG_LOCK (1 << 16)
	#define PL080_CONFIG_TC_IRQ_MASK (1 << 15)
	#define PL080_CONFIG_ERR_IRQ_MASK (1 << 14)
	#define PL080_CONFIG_FLOW_CONTROL_MASK (0x7 << 11)
	#define PL080_CONFIG_FLOW_CONTROL_SHIFT (11)
	#define PL080_CONFIG_DST_SEL_MASK (0xf << 6)
	#define PL080_CONFIG_DST_SEL_SHIFT (6)
	#define PL080_CONFIG_SRC_SEL_MASK (0xf << 1)
	#define PL080_CONFIG_SRC_SEL_SHIFT (1)
	#define PL080_CONFIG_ENABLE (1 << 0)

	#define PL080_FLOW_MEM2MEM (0x0)
	#define PL080_FLOW_MEM2PER (0x1)
	#define PL080_FLOW_PER2MEM (0x2)
	#define PL080_FLOW_SRC2DST (0x3)
	#define PL080_FLOW_SRC2DST_DST (0x4)
	#define PL080_FLOW_MEM2PER_PER (0x5)
	#define PL080_FLOW_PER2MEM_PER (0x6)
	#define PL080_FLOW_SRC2DST_SRC (0x7)

	/* DMA linked list chain structure */

	struct pl080_lli {
	u32 src_addr;
	u32 dst_addr;
	u32 next_lli;
	u32 control0;
	};

	struct pl080s_lli {
	u32 src_addr;
	u32 dst_addr;
	u32 next_lli;
	u32 control0;
	u32 control1;
	};

	#endif /* ASM_PL080_H */