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  • only in /netgear-R7000-V1.0.7.12_1.2.5/components/opensource/linux/linux-2.6.36/arch/mips/jz4740/
1/*
2 *  Copyright (C) 2009-2010, Lars-Peter Clausen <lars@metafoo.de>
3 *  JZ4740 platform devices
4 *
5 *  This program is free software; you can redistribute it and/or modify it
6 *  under  the terms of the GNU General  Public License as published by the
7 *  Free Software Foundation;  either version 2 of the License, or (at your
8 *  option) any later version.
9 *
10 *  You should have received a copy of the GNU General Public License along
11 *  with this program; if not, write to the Free Software Foundation, Inc.,
12 *  675 Mass Ave, Cambridge, MA 02139, USA.
13 *
14 */
15
16#include <linux/device.h>
17#include <linux/init.h>
18#include <linux/kernel.h>
19#include <linux/platform_device.h>
20#include <linux/resource.h>
21
22#include <linux/dma-mapping.h>
23
24#include <asm/mach-jz4740/platform.h>
25#include <asm/mach-jz4740/base.h>
26#include <asm/mach-jz4740/irq.h>
27
28#include <linux/serial_core.h>
29#include <linux/serial_8250.h>
30
31#include "serial.h"
32#include "clock.h"
33
34/* OHCI controller */
35static struct resource jz4740_usb_ohci_resources[] = {
36	{
37		.start	= JZ4740_UHC_BASE_ADDR,
38		.end	= JZ4740_UHC_BASE_ADDR + 0x1000 - 1,
39		.flags	= IORESOURCE_MEM,
40	},
41	{
42		.start	= JZ4740_IRQ_UHC,
43		.end	= JZ4740_IRQ_UHC,
44		.flags	= IORESOURCE_IRQ,
45	},
46};
47
48struct platform_device jz4740_usb_ohci_device = {
49	.name		= "jz4740-ohci",
50	.id		= -1,
51	.dev = {
52		.dma_mask = &jz4740_usb_ohci_device.dev.coherent_dma_mask,
53		.coherent_dma_mask = DMA_BIT_MASK(32),
54	},
55	.num_resources	= ARRAY_SIZE(jz4740_usb_ohci_resources),
56	.resource	= jz4740_usb_ohci_resources,
57};
58
59/* UDC (USB gadget controller) */
60static struct resource jz4740_usb_gdt_resources[] = {
61	{
62		.start	= JZ4740_UDC_BASE_ADDR,
63		.end	= JZ4740_UDC_BASE_ADDR + 0x1000 - 1,
64		.flags	= IORESOURCE_MEM,
65	},
66	{
67		.start	= JZ4740_IRQ_UDC,
68		.end	= JZ4740_IRQ_UDC,
69		.flags	= IORESOURCE_IRQ,
70	},
71};
72
73struct platform_device jz4740_udc_device = {
74	.name		= "jz-udc",
75	.id		= -1,
76	.dev = {
77		.dma_mask = &jz4740_udc_device.dev.coherent_dma_mask,
78		.coherent_dma_mask = DMA_BIT_MASK(32),
79	},
80	.num_resources	= ARRAY_SIZE(jz4740_usb_gdt_resources),
81	.resource	= jz4740_usb_gdt_resources,
82};
83
84/* MMC/SD controller */
85static struct resource jz4740_mmc_resources[] = {
86	{
87		.start	= JZ4740_MSC_BASE_ADDR,
88		.end	= JZ4740_MSC_BASE_ADDR + 0x1000 - 1,
89		.flags	= IORESOURCE_MEM,
90	},
91	{
92		.start	= JZ4740_IRQ_MSC,
93		.end	= JZ4740_IRQ_MSC,
94		.flags	= IORESOURCE_IRQ,
95	}
96};
97
98struct platform_device jz4740_mmc_device = {
99	.name		= "jz4740-mmc",
100	.id		= 0,
101	.dev = {
102		.dma_mask = &jz4740_mmc_device.dev.coherent_dma_mask,
103		.coherent_dma_mask = DMA_BIT_MASK(32),
104	},
105	.num_resources  = ARRAY_SIZE(jz4740_mmc_resources),
106	.resource	= jz4740_mmc_resources,
107};
108
109/* RTC controller */
110static struct resource jz4740_rtc_resources[] = {
111	{
112		.start	= JZ4740_RTC_BASE_ADDR,
113		.end	= JZ4740_RTC_BASE_ADDR + 0x38 - 1,
114		.flags	= IORESOURCE_MEM,
115	},
116	{
117		.start  = JZ4740_IRQ_RTC,
118		.end	= JZ4740_IRQ_RTC,
119		.flags	= IORESOURCE_IRQ,
120	},
121};
122
123struct platform_device jz4740_rtc_device = {
124	.name		= "jz4740-rtc",
125	.id		= -1,
126	.num_resources	= ARRAY_SIZE(jz4740_rtc_resources),
127	.resource	= jz4740_rtc_resources,
128};
129
130/* I2C controller */
131static struct resource jz4740_i2c_resources[] = {
132	{
133		.start	= JZ4740_I2C_BASE_ADDR,
134		.end	= JZ4740_I2C_BASE_ADDR + 0x1000 - 1,
135		.flags	= IORESOURCE_MEM,
136	},
137	{
138		.start	= JZ4740_IRQ_I2C,
139		.end	= JZ4740_IRQ_I2C,
140		.flags	= IORESOURCE_IRQ,
141	}
142};
143
144struct platform_device jz4740_i2c_device = {
145	.name		= "jz4740-i2c",
146	.id		= 0,
147	.num_resources  = ARRAY_SIZE(jz4740_i2c_resources),
148	.resource	= jz4740_i2c_resources,
149};
150
151/* NAND controller */
152static struct resource jz4740_nand_resources[] = {
153	{
154		.name	= "mmio",
155		.start	= JZ4740_EMC_BASE_ADDR,
156		.end	= JZ4740_EMC_BASE_ADDR + 0x1000 - 1,
157		.flags	= IORESOURCE_MEM,
158	},
159	{
160		.name	= "bank",
161		.start	= 0x18000000,
162		.end	= 0x180C0000 - 1,
163		.flags = IORESOURCE_MEM,
164	},
165};
166
167struct platform_device jz4740_nand_device = {
168	.name = "jz4740-nand",
169	.num_resources = ARRAY_SIZE(jz4740_nand_resources),
170	.resource = jz4740_nand_resources,
171};
172
173/* LCD controller */
174static struct resource jz4740_framebuffer_resources[] = {
175	{
176		.start	= JZ4740_LCD_BASE_ADDR,
177		.end	= JZ4740_LCD_BASE_ADDR + 0x1000 - 1,
178		.flags	= IORESOURCE_MEM,
179	},
180};
181
182struct platform_device jz4740_framebuffer_device = {
183	.name		= "jz4740-fb",
184	.id		= -1,
185	.num_resources	= ARRAY_SIZE(jz4740_framebuffer_resources),
186	.resource	= jz4740_framebuffer_resources,
187	.dev = {
188		.dma_mask = &jz4740_framebuffer_device.dev.coherent_dma_mask,
189		.coherent_dma_mask = DMA_BIT_MASK(32),
190	},
191};
192
193/* I2S controller */
194static struct resource jz4740_i2s_resources[] = {
195	{
196		.start	= JZ4740_AIC_BASE_ADDR,
197		.end	= JZ4740_AIC_BASE_ADDR + 0x38 - 1,
198		.flags	= IORESOURCE_MEM,
199	},
200};
201
202struct platform_device jz4740_i2s_device = {
203	.name		= "jz4740-i2s",
204	.id		= -1,
205	.num_resources	= ARRAY_SIZE(jz4740_i2s_resources),
206	.resource	= jz4740_i2s_resources,
207};
208
209/* PCM */
210struct platform_device jz4740_pcm_device = {
211	.name		= "jz4740-pcm",
212	.id		= -1,
213};
214
215/* Codec */
216static struct resource jz4740_codec_resources[] = {
217	{
218		.start	= JZ4740_AIC_BASE_ADDR + 0x80,
219		.end	= JZ4740_AIC_BASE_ADDR + 0x88 - 1,
220		.flags	= IORESOURCE_MEM,
221	},
222};
223
224struct platform_device jz4740_codec_device = {
225	.name		= "jz4740-codec",
226	.id		= -1,
227	.num_resources	= ARRAY_SIZE(jz4740_codec_resources),
228	.resource	= jz4740_codec_resources,
229};
230
231/* ADC controller */
232static struct resource jz4740_adc_resources[] = {
233	{
234		.start	= JZ4740_SADC_BASE_ADDR,
235		.end	= JZ4740_SADC_BASE_ADDR + 0x30,
236		.flags	= IORESOURCE_MEM,
237	},
238	{
239		.start	= JZ4740_IRQ_SADC,
240		.end	= JZ4740_IRQ_SADC,
241		.flags	= IORESOURCE_IRQ,
242	},
243	{
244		.start	= JZ4740_IRQ_ADC_BASE,
245		.end	= JZ4740_IRQ_ADC_BASE,
246		.flags	= IORESOURCE_IRQ,
247	},
248};
249
250struct platform_device jz4740_adc_device = {
251	.name		= "jz4740-adc",
252	.id		= -1,
253	.num_resources	= ARRAY_SIZE(jz4740_adc_resources),
254	.resource	= jz4740_adc_resources,
255};
256
257/* Serial */
258#define JZ4740_UART_DATA(_id) \
259	{ \
260		.flags = UPF_SKIP_TEST | UPF_IOREMAP | UPF_FIXED_TYPE, \
261		.iotype = UPIO_MEM, \
262		.regshift = 2, \
263		.serial_out = jz4740_serial_out, \
264		.type = PORT_16550, \
265		.mapbase = JZ4740_UART ## _id ## _BASE_ADDR, \
266		.irq = JZ4740_IRQ_UART ## _id, \
267	}
268
269static struct plat_serial8250_port jz4740_uart_data[] = {
270	JZ4740_UART_DATA(0),
271	JZ4740_UART_DATA(1),
272	{},
273};
274
275static struct platform_device jz4740_uart_device = {
276	.name = "serial8250",
277	.id = 0,
278	.dev = {
279		.platform_data = jz4740_uart_data,
280	},
281};
282
283void jz4740_serial_device_register(void)
284{
285	struct plat_serial8250_port *p;
286
287	for (p = jz4740_uart_data; p->flags != 0; ++p)
288		p->uartclk = jz4740_clock_bdata.ext_rate;
289
290	platform_device_register(&jz4740_uart_device);
291}
292