diff options
Diffstat (limited to 'arch/arm/include')
| -rw-r--r-- | arch/arm/include/asm/hardware/pl080.h | 138 |
1 files changed, 138 insertions, 0 deletions
diff --git a/arch/arm/include/asm/hardware/pl080.h b/arch/arm/include/asm/hardware/pl080.h new file mode 100644 index 000000000000..6a6c66be7f65 --- /dev/null +++ b/arch/arm/include/asm/hardware/pl080.h | |||
| @@ -0,0 +1,138 @@ | |||
| 1 | /* arch/arm/include/asm/hardware/pl080.h | ||
| 2 | * | ||
| 3 | * Copyright 2008 Openmoko, Inc. | ||
| 4 | * Copyright 2008 Simtec Electronics | ||
| 5 | * http://armlinux.simtec.co.uk/ | ||
| 6 | * Ben Dooks <ben@simtec.co.uk> | ||
| 7 | * | ||
| 8 | * ARM PrimeCell PL080 DMA controller | ||
| 9 | * | ||
| 10 | * This program is free software; you can redistribute it and/or modify | ||
| 11 | * it under the terms of the GNU General Public License version 2 as | ||
| 12 | * published by the Free Software Foundation. | ||
| 13 | */ | ||
| 14 | |||
| 15 | /* Note, there are some Samsung updates to this controller block which | ||
| 16 | * make it not entierly compatible with the PL080 specification from | ||
| 17 | * ARM. When in doubt, check the Samsung documentation first. | ||
| 18 | * | ||
| 19 | * The Samsung defines are PL080S, and add an extra controll register, | ||
| 20 | * the ability to move more than 2^11 counts of data and some extra | ||
| 21 | * OneNAND features. | ||
| 22 | */ | ||
| 23 | |||
| 24 | #define PL080_INT_STATUS (0x00) | ||
| 25 | #define PL080_TC_STATUS (0x04) | ||
| 26 | #define PL080_TC_CLEAR (0x08) | ||
| 27 | #define PL080_ERR_STATUS (0x0C) | ||
| 28 | #define PL080_ERR_CLEAR (0x10) | ||
| 29 | #define PL080_RAW_TC_STATUS (0x14) | ||
| 30 | #define PL080_RAW_ERR_STATUS (0x18) | ||
| 31 | #define PL080_EN_CHAN (0x1c) | ||
| 32 | #define PL080_SOFT_BREQ (0x20) | ||
| 33 | #define PL080_SOFT_SREQ (0x24) | ||
| 34 | #define PL080_SOFT_LBREQ (0x28) | ||
| 35 | #define PL080_SOFT_LSREQ (0x2C) | ||
| 36 | |||
| 37 | #define PL080_CONFIG (0x30) | ||
| 38 | #define PL080_CONFIG_M2_BE (1 << 2) | ||
| 39 | #define PL080_CONFIG_M1_BE (1 << 1) | ||
| 40 | #define PL080_CONFIG_ENABLE (1 << 0) | ||
| 41 | |||
| 42 | #define PL080_SYNC (0x34) | ||
| 43 | |||
| 44 | /* Per channel configuration registers */ | ||
| 45 | |||
| 46 | #define PL008_Cx_STRIDE (0x20) | ||
| 47 | #define PL080_Cx_BASE(x) ((0x100 + (x * 0x20))) | ||
| 48 | #define PL080_Cx_SRC_ADDR(x) ((0x100 + (x * 0x20))) | ||
| 49 | #define PL080_Cx_DST_ADDR(x) ((0x104 + (x * 0x20))) | ||
| 50 | #define PL080_Cx_LLI(x) ((0x108 + (x * 0x20))) | ||
| 51 | #define PL080_Cx_CONTROL(x) ((0x10C + (x * 0x20))) | ||
| 52 | #define PL080_Cx_CONFIG(x) ((0x110 + (x * 0x20))) | ||
| 53 | #define PL080S_Cx_CONTROL2(x) ((0x110 + (x * 0x20))) | ||
| 54 | #define PL080S_Cx_CONFIG(x) ((0x114 + (x * 0x20))) | ||
| 55 | |||
| 56 | #define PL080_CH_SRC_ADDR (0x00) | ||
| 57 | #define PL080_CH_DST_ADDR (0x04) | ||
| 58 | #define PL080_CH_LLI (0x08) | ||
| 59 | #define PL080_CH_CONTROL (0x0C) | ||
| 60 | #define PL080_CH_CONFIG (0x10) | ||
| 61 | #define PL080S_CH_CONTROL2 (0x10) | ||
| 62 | #define PL080S_CH_CONFIG (0x14) | ||
| 63 | |||
| 64 | #define PL080_LLI_ADDR_MASK (0x3fffffff << 2) | ||
| 65 | #define PL080_LLI_ADDR_SHIFT (2) | ||
| 66 | #define PL080_LLI_LM_AHB2 (1 << 0) | ||
| 67 | |||
| 68 | #define PL080_CONTROL_TC_IRQ_EN (1 << 31) | ||
| 69 | #define PL080_CONTROL_PROT_MASK (0x7 << 28) | ||
| 70 | #define PL080_CONTROL_PROT_SHIFT (28) | ||
| 71 | #define PL080_CONTROL_PROT_SYS (1 << 28) | ||
| 72 | #define PL080_CONTROL_DST_INCR (1 << 27) | ||
| 73 | #define PL080_CONTROL_SRC_INCR (1 << 26) | ||
| 74 | #define PL080_CONTROL_DST_AHB2 (1 << 25) | ||
| 75 | #define PL080_CONTROL_SRC_AHB2 (1 << 24) | ||
| 76 | #define PL080_CONTROL_DWIDTH_MASK (0x7 << 21) | ||
| 77 | #define PL080_CONTROL_DWIDTH_SHIFT (21) | ||
| 78 | #define PL080_CONTROL_SWIDTH_MASK (0x7 << 18) | ||
| 79 | #define PL080_CONTROL_SWIDTH_SHIFT (18) | ||
| 80 | #define PL080_CONTROL_DB_SIZE_MASK (0x7 << 15) | ||
| 81 | #define PL080_CONTROL_DB_SIZE_SHIFT (15) | ||
| 82 | #define PL080_CONTROL_SB_SIZE_MASK (0x7 << 12) | ||
| 83 | #define PL080_CONTROL_SB_SIZE_SHIFT (12) | ||
| 84 | #define PL080_CONTROL_TRANSFER_SIZE_MASK (0xfff << 0) | ||
| 85 | #define PL080_CONTROL_TRANSFER_SIZE_SHIFT (0) | ||
| 86 | |||
| 87 | #define PL080_BSIZE_1 (0x0) | ||
| 88 | #define PL080_BSIZE_4 (0x1) | ||
| 89 | #define PL080_BSIZE_8 (0x2) | ||
| 90 | #define PL080_BSIZE_16 (0x3) | ||
| 91 | #define PL080_BSIZE_32 (0x4) | ||
| 92 | #define PL080_BSIZE_64 (0x5) | ||
| 93 | #define PL080_BSIZE_128 (0x6) | ||
| 94 | #define PL080_BSIZE_256 (0x7) | ||
| 95 | |||
| 96 | #define PL080_WIDTH_8BIT (0x0) | ||
| 97 | #define PL080_WIDTH_16BIT (0x1) | ||
| 98 | #define PL080_WIDTH_32BIT (0x2) | ||
| 99 | |||
| 100 | #define PL080_CONFIG_HALT (1 << 18) | ||
| 101 | #define PL080_CONFIG_ACTIVE (1 << 17) /* RO */ | ||
| 102 | #define PL080_CONFIG_LOCK (1 << 16) | ||
| 103 | #define PL080_CONFIG_TC_IRQ_MASK (1 << 15) | ||
| 104 | #define PL080_CONFIG_ERR_IRQ_MASK (1 << 14) | ||
| 105 | #define PL080_CONFIG_FLOW_CONTROL_MASK (0x7 << 11) | ||
| 106 | #define PL080_CONFIG_FLOW_CONTROL_SHIFT (11) | ||
| 107 | #define PL080_CONFIG_DST_SEL_MASK (0xf << 6) | ||
| 108 | #define PL080_CONFIG_DST_SEL_SHIFT (6) | ||
| 109 | #define PL080_CONFIG_SRC_SEL_MASK (0xf << 1) | ||
| 110 | #define PL080_CONFIG_SRC_SEL_SHIFT (1) | ||
| 111 | #define PL080_CONFIG_ENABLE (1 << 0) | ||
| 112 | |||
| 113 | #define PL080_FLOW_MEM2MEM (0x0) | ||
| 114 | #define PL080_FLOW_MEM2PER (0x1) | ||
| 115 | #define PL080_FLOW_PER2MEM (0x2) | ||
| 116 | #define PL080_FLOW_SRC2DST (0x3) | ||
| 117 | #define PL080_FLOW_SRC2DST_DST (0x4) | ||
| 118 | #define PL080_FLOW_MEM2PER_PER (0x5) | ||
| 119 | #define PL080_FLOW_PER2MEM_PER (0x6) | ||
| 120 | #define PL080_FLOW_SRC2DST_SRC (0x7) | ||
| 121 | |||
| 122 | /* DMA linked list chain structure */ | ||
| 123 | |||
| 124 | struct pl080_lli { | ||
| 125 | u32 src_addr; | ||
| 126 | u32 dst_addr; | ||
| 127 | u32 next_lli; | ||
| 128 | u32 control0; | ||
| 129 | }; | ||
| 130 | |||
| 131 | struct pl080s_lli { | ||
| 132 | u32 src_addr; | ||
| 133 | u32 dst_addr; | ||
| 134 | u32 next_lli; | ||
| 135 | u32 control0; | ||
| 136 | u32 control1; | ||
| 137 | }; | ||
| 138 | |||
