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/* 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 */