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-rw-r--r--arch/arm/mach-s3c2410/s3c2410-dma.c161
1 files changed, 0 insertions, 161 deletions
diff --git a/arch/arm/mach-s3c2410/s3c2410-dma.c b/arch/arm/mach-s3c2410/s3c2410-dma.c
deleted file mode 100644
index e67ba3911f11..000000000000
--- a/arch/arm/mach-s3c2410/s3c2410-dma.c
+++ /dev/null
@@ -1,161 +0,0 @@
1/* linux/arch/arm/mach-s3c2410/s3c2410-dma.c
2 *
3 * Copyright (c) 2006 Simtec Electronics
4 * Ben Dooks <ben@simtec.co.uk>
5 *
6 * S3C2410 DMA selection
7 *
8 * http://armlinux.simtec.co.uk/
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#include <linux/kernel.h>
16#include <linux/init.h>
17#include <linux/sysdev.h>
18#include <linux/serial_core.h>
19
20#include <asm/dma.h>
21#include <asm/arch/dma.h>
22#include "dma.h"
23
24#include "cpu.h"
25
26#include <asm/arch/regs-serial.h>
27#include <asm/arch/regs-gpio.h>
28#include <asm/arch/regs-ac97.h>
29#include <asm/arch/regs-mem.h>
30#include <asm/arch/regs-lcd.h>
31#include <asm/arch/regs-sdi.h>
32#include <asm/arch/regs-iis.h>
33#include <asm/arch/regs-spi.h>
34
35static struct s3c24xx_dma_map __initdata s3c2410_dma_mappings[] = {
36 [DMACH_XD0] = {
37 .name = "xdreq0",
38 .channels[0] = S3C2410_DCON_CH0_XDREQ0 | DMA_CH_VALID,
39 },
40 [DMACH_XD1] = {
41 .name = "xdreq1",
42 .channels[1] = S3C2410_DCON_CH1_XDREQ1 | DMA_CH_VALID,
43 },
44 [DMACH_SDI] = {
45 .name = "sdi",
46 .channels[0] = S3C2410_DCON_CH0_SDI | DMA_CH_VALID,
47 .channels[2] = S3C2410_DCON_CH2_SDI | DMA_CH_VALID,
48 .channels[3] = S3C2410_DCON_CH3_SDI | DMA_CH_VALID,
49 .hw_addr.to = S3C2410_PA_IIS + S3C2410_IISFIFO,
50 .hw_addr.from = S3C2410_PA_IIS + S3C2410_IISFIFO,
51 },
52 [DMACH_SPI0] = {
53 .name = "spi0",
54 .channels[1] = S3C2410_DCON_CH1_SPI | DMA_CH_VALID,
55 .hw_addr.to = S3C2410_PA_SPI + S3C2410_SPTDAT,
56 .hw_addr.from = S3C2410_PA_SPI + S3C2410_SPRDAT,
57 },
58 [DMACH_SPI1] = {
59 .name = "spi1",
60 .channels[3] = S3C2410_DCON_CH3_SPI | DMA_CH_VALID,
61 .hw_addr.to = S3C2410_PA_SPI + 0x20 + S3C2410_SPTDAT,
62 .hw_addr.from = S3C2410_PA_SPI + 0x20 + S3C2410_SPRDAT,
63 },
64 [DMACH_UART0] = {
65 .name = "uart0",
66 .channels[0] = S3C2410_DCON_CH0_UART0 | DMA_CH_VALID,
67 .hw_addr.to = S3C2410_PA_UART0 + S3C2410_UTXH,
68 .hw_addr.from = S3C2410_PA_UART0 + S3C2410_URXH,
69 },
70 [DMACH_UART1] = {
71 .name = "uart1",
72 .channels[1] = S3C2410_DCON_CH1_UART1 | DMA_CH_VALID,
73 .hw_addr.to = S3C2410_PA_UART1 + S3C2410_UTXH,
74 .hw_addr.from = S3C2410_PA_UART1 + S3C2410_URXH,
75 },
76 [DMACH_UART2] = {
77 .name = "uart2",
78 .channels[3] = S3C2410_DCON_CH3_UART2 | DMA_CH_VALID,
79 .hw_addr.to = S3C2410_PA_UART2 + S3C2410_UTXH,
80 .hw_addr.from = S3C2410_PA_UART2 + S3C2410_URXH,
81 },
82 [DMACH_TIMER] = {
83 .name = "timer",
84 .channels[0] = S3C2410_DCON_CH0_TIMER | DMA_CH_VALID,
85 .channels[2] = S3C2410_DCON_CH2_TIMER | DMA_CH_VALID,
86 .channels[3] = S3C2410_DCON_CH3_TIMER | DMA_CH_VALID,
87 },
88 [DMACH_I2S_IN] = {
89 .name = "i2s-sdi",
90 .channels[1] = S3C2410_DCON_CH1_I2SSDI | DMA_CH_VALID,
91 .channels[2] = S3C2410_DCON_CH2_I2SSDI | DMA_CH_VALID,
92 .hw_addr.from = S3C2410_PA_IIS + S3C2410_IISFIFO,
93 },
94 [DMACH_I2S_OUT] = {
95 .name = "i2s-sdo",
96 .channels[2] = S3C2410_DCON_CH2_I2SSDO | DMA_CH_VALID,
97 .hw_addr.to = S3C2410_PA_IIS + S3C2410_IISFIFO,
98 },
99 [DMACH_USB_EP1] = {
100 .name = "usb-ep1",
101 .channels[0] = S3C2410_DCON_CH0_USBEP1 | DMA_CH_VALID,
102 },
103 [DMACH_USB_EP2] = {
104 .name = "usb-ep2",
105 .channels[1] = S3C2410_DCON_CH1_USBEP2 | DMA_CH_VALID,
106 },
107 [DMACH_USB_EP3] = {
108 .name = "usb-ep3",
109 .channels[2] = S3C2410_DCON_CH2_USBEP3 | DMA_CH_VALID,
110 },
111 [DMACH_USB_EP4] = {
112 .name = "usb-ep4",
113 .channels[3] =S3C2410_DCON_CH3_USBEP4 | DMA_CH_VALID,
114 },
115};
116
117static void s3c2410_dma_select(struct s3c2410_dma_chan *chan,
118 struct s3c24xx_dma_map *map)
119{
120 chan->dcon = map->channels[chan->number] & ~DMA_CH_VALID;
121}
122
123static struct s3c24xx_dma_selection __initdata s3c2410_dma_sel = {
124 .select = s3c2410_dma_select,
125 .dcon_mask = 7 << 24,
126 .map = s3c2410_dma_mappings,
127 .map_size = ARRAY_SIZE(s3c2410_dma_mappings),
128};
129
130static int s3c2410_dma_add(struct sys_device *sysdev)
131{
132 return s3c24xx_dma_init_map(&s3c2410_dma_sel);
133}
134
135#if defined(CONFIG_CPU_S3C2410)
136static struct sysdev_driver s3c2410_dma_driver = {
137 .add = s3c2410_dma_add,
138};
139
140static int __init s3c2410_dma_init(void)
141{
142 return sysdev_driver_register(&s3c2410_sysclass, &s3c2410_dma_driver);
143}
144
145arch_initcall(s3c2410_dma_init);
146#endif
147
148#if defined(CONFIG_CPU_S3C2442)
149/* S3C2442 DMA contains the same selection table as the S3C2410 */
150static struct sysdev_driver s3c2442_dma_driver = {
151 .add = s3c2410_dma_add,
152};
153
154static int __init s3c2442_dma_init(void)
155{
156 return sysdev_driver_register(&s3c2442_sysclass, &s3c2442_dma_driver);
157}
158
159arch_initcall(s3c2442_dma_init);
160#endif
161
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