aboutsummaryrefslogtreecommitdiffstats
path: root/arch/arm/include/asm/hardware/pl080.h
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2009-06-14 16:42:43 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2009-06-14 16:42:43 -0400
commit2cf4d4514d5b43c1f3b64bd0ec8b9853bde8f1dc (patch)
treee35a625496acc6ac852846d40b8851186b9d1ac4 /arch/arm/include/asm/hardware/pl080.h
parent44b7532b8b464f606053562400719c9c21276037 (diff)
parentce53895a5d24e0ee19fb92f56c17323fb4c9ab27 (diff)
Merge branch 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm: (417 commits) MAINTAINERS: EB110ATX is not ebsa110 MAINTAINERS: update Eric Miao's email address and status fb: add support of LCD display controller on pxa168/910 (base layer) [ARM] 5552/1: ep93xx get_uart_rate(): use EP93XX_SYSCON_PWRCNT and EP93XX_SYSCON_PWRCN [ARM] pxa/sharpsl_pm: zaurus needs generic pxa suspend/resume routines [ARM] 5544/1: Trust PrimeCell resource sizes [ARM] pxa/sharpsl_pm: cleanup of gpio-related code. [ARM] pxa/sharpsl_pm: drop set_irq_type calls [ARM] pxa/sharpsl_pm: merge pxa-specific code into generic one [ARM] pxa/sharpsl_pm: merge the two sharpsl_pm.c since it's now pxa specific [ARM] sa1100: remove unused collie_pm.c [ARM] pxa: fix the conflicting non-static declarations of global_gpios[] [ARM] 5550/1: Add default configure file for w90p910 platform [ARM] 5549/1: Add clock api for w90p910 platform. [ARM] 5548/1: Add gpio api for w90p910 platform [ARM] 5551/1: Add multi-function pin api for w90p910 platform. [ARM] Make ARM_VIC_NR depend on ARM_VIC [ARM] 5546/1: ARM PL022 SSP/SPI driver v3 ARM: OMAP4: SMP: Update defconfig for OMAP4430 ARM: OMAP4: SMP: Enable SMP support for OMAP4430 ...
Diffstat (limited to 'arch/arm/include/asm/hardware/pl080.h')
-rw-r--r--arch/arm/include/asm/hardware/pl080.h138
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 00000000000..6a6c66be7f6
--- /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
124struct pl080_lli {
125 u32 src_addr;
126 u32 dst_addr;
127 u32 next_lli;
128 u32 control0;
129};
130
131struct pl080s_lli {
132 u32 src_addr;
133 u32 dst_addr;
134 u32 next_lli;
135 u32 control0;
136 u32 control1;
137};
138