Edit File: 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 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 */