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authorAlessandro Rubini <rubini@gnudd.com>2012-11-23 19:22:56 -0500
committerVinod Koul <vinod.koul@intel.com>2013-01-13 08:19:45 -0500
commit3a95b9fbba893ebfa9b83de105707539e0228e0c (patch)
treec2d2d725e2962c26ed7233099c63544e0b21c2ad /include/linux/amba
parenta5dbff111cacecd2e79843a51cc86d21d3648af5 (diff)
pl080.h: moved from arm/include/asm/hardware to include/linux/amba/
The header is used by drivers/dma/amba-pl08x.c, which can be compiled under x86, where PL080 exists under a PCI-to-AMBA bridge. This patche moves it where it can be accessed by other architectures, and fixes all users. Signed-off-by: Alessandro Rubini <rubini@gnudd.com> Acked-by: Giancarlo Asnaghi <giancarlo.asnaghi@st.com> Acked-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Diffstat (limited to 'include/linux/amba')
-rw-r--r--include/linux/amba/pl080.h146
1 files changed, 146 insertions, 0 deletions
diff --git a/include/linux/amba/pl080.h b/include/linux/amba/pl080.h
new file mode 100644
index 000000000000..3e7b62fbefbd
--- /dev/null
+++ b/include/linux/amba/pl080.h
@@ -0,0 +1,146 @@
1/* include/linux/amba/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 control register,
20 * the ability to move more than 2^11 counts of data and some extra
21 * OneNAND features.
22*/
23
24#ifndef ASM_PL080_H
25#define ASM_PL080_H
26
27#define PL080_INT_STATUS (0x00)
28#define PL080_TC_STATUS (0x04)
29#define PL080_TC_CLEAR (0x08)
30#define PL080_ERR_STATUS (0x0C)
31#define PL080_ERR_CLEAR (0x10)
32#define PL080_RAW_TC_STATUS (0x14)
33#define PL080_RAW_ERR_STATUS (0x18)
34#define PL080_EN_CHAN (0x1c)
35#define PL080_SOFT_BREQ (0x20)
36#define PL080_SOFT_SREQ (0x24)
37#define PL080_SOFT_LBREQ (0x28)
38#define PL080_SOFT_LSREQ (0x2C)
39
40#define PL080_CONFIG (0x30)
41#define PL080_CONFIG_M2_BE (1 << 2)
42#define PL080_CONFIG_M1_BE (1 << 1)
43#define PL080_CONFIG_ENABLE (1 << 0)
44
45#define PL080_SYNC (0x34)
46
47/* Per channel configuration registers */
48
49#define PL080_Cx_STRIDE (0x20)
50#define PL080_Cx_BASE(x) ((0x100 + (x * 0x20)))
51#define PL080_Cx_SRC_ADDR(x) ((0x100 + (x * 0x20)))
52#define PL080_Cx_DST_ADDR(x) ((0x104 + (x * 0x20)))
53#define PL080_Cx_LLI(x) ((0x108 + (x * 0x20)))
54#define PL080_Cx_CONTROL(x) ((0x10C + (x * 0x20)))
55#define PL080_Cx_CONFIG(x) ((0x110 + (x * 0x20)))
56#define PL080S_Cx_CONTROL2(x) ((0x110 + (x * 0x20)))
57#define PL080S_Cx_CONFIG(x) ((0x114 + (x * 0x20)))
58
59#define PL080_CH_SRC_ADDR (0x00)
60#define PL080_CH_DST_ADDR (0x04)
61#define PL080_CH_LLI (0x08)
62#define PL080_CH_CONTROL (0x0C)
63#define PL080_CH_CONFIG (0x10)
64#define PL080S_CH_CONTROL2 (0x10)
65#define PL080S_CH_CONFIG (0x14)
66
67#define PL080_LLI_ADDR_MASK (0x3fffffff << 2)
68#define PL080_LLI_ADDR_SHIFT (2)
69#define PL080_LLI_LM_AHB2 (1 << 0)
70
71#define PL080_CONTROL_TC_IRQ_EN (1 << 31)
72#define PL080_CONTROL_PROT_MASK (0x7 << 28)
73#define PL080_CONTROL_PROT_SHIFT (28)
74#define PL080_CONTROL_PROT_CACHE (1 << 30)
75#define PL080_CONTROL_PROT_BUFF (1 << 29)
76#define PL080_CONTROL_PROT_SYS (1 << 28)
77#define PL080_CONTROL_DST_INCR (1 << 27)
78#define PL080_CONTROL_SRC_INCR (1 << 26)
79#define PL080_CONTROL_DST_AHB2 (1 << 25)
80#define PL080_CONTROL_SRC_AHB2 (1 << 24)
81#define PL080_CONTROL_DWIDTH_MASK (0x7 << 21)
82#define PL080_CONTROL_DWIDTH_SHIFT (21)
83#define PL080_CONTROL_SWIDTH_MASK (0x7 << 18)
84#define PL080_CONTROL_SWIDTH_SHIFT (18)
85#define PL080_CONTROL_DB_SIZE_MASK (0x7 << 15)
86#define PL080_CONTROL_DB_SIZE_SHIFT (15)
87#define PL080_CONTROL_SB_SIZE_MASK (0x7 << 12)
88#define PL080_CONTROL_SB_SIZE_SHIFT (12)
89#define PL080_CONTROL_TRANSFER_SIZE_MASK (0xfff << 0)
90#define PL080_CONTROL_TRANSFER_SIZE_SHIFT (0)
91
92#define PL080_BSIZE_1 (0x0)
93#define PL080_BSIZE_4 (0x1)
94#define PL080_BSIZE_8 (0x2)
95#define PL080_BSIZE_16 (0x3)
96#define PL080_BSIZE_32 (0x4)
97#define PL080_BSIZE_64 (0x5)
98#define PL080_BSIZE_128 (0x6)
99#define PL080_BSIZE_256 (0x7)
100
101#define PL080_WIDTH_8BIT (0x0)
102#define PL080_WIDTH_16BIT (0x1)
103#define PL080_WIDTH_32BIT (0x2)
104
105#define PL080N_CONFIG_ITPROT (1 << 20)
106#define PL080N_CONFIG_SECPROT (1 << 19)
107#define PL080_CONFIG_HALT (1 << 18)
108#define PL080_CONFIG_ACTIVE (1 << 17) /* RO */
109#define PL080_CONFIG_LOCK (1 << 16)
110#define PL080_CONFIG_TC_IRQ_MASK (1 << 15)
111#define PL080_CONFIG_ERR_IRQ_MASK (1 << 14)
112#define PL080_CONFIG_FLOW_CONTROL_MASK (0x7 << 11)
113#define PL080_CONFIG_FLOW_CONTROL_SHIFT (11)
114#define PL080_CONFIG_DST_SEL_MASK (0xf << 6)
115#define PL080_CONFIG_DST_SEL_SHIFT (6)
116#define PL080_CONFIG_SRC_SEL_MASK (0xf << 1)
117#define PL080_CONFIG_SRC_SEL_SHIFT (1)
118#define PL080_CONFIG_ENABLE (1 << 0)
119
120#define PL080_FLOW_MEM2MEM (0x0)
121#define PL080_FLOW_MEM2PER (0x1)
122#define PL080_FLOW_PER2MEM (0x2)
123#define PL080_FLOW_SRC2DST (0x3)
124#define PL080_FLOW_SRC2DST_DST (0x4)
125#define PL080_FLOW_MEM2PER_PER (0x5)
126#define PL080_FLOW_PER2MEM_PER (0x6)
127#define PL080_FLOW_SRC2DST_SRC (0x7)
128
129/* DMA linked list chain structure */
130
131struct pl080_lli {
132 u32 src_addr;
133 u32 dst_addr;
134 u32 next_lli;
135 u32 control0;
136};
137
138struct pl080s_lli {
139 u32 src_addr;
140 u32 dst_addr;
141 u32 next_lli;
142 u32 control0;
143 u32 control1;
144};
145
146#endif /* ASM_PL080_H */