Root/arch/mips/jz47xx/jz4740/platform.c

Source at commit fad288aff22be8618aeb6baa5c980f721226a5e1 created 9 years 4 months ago.
By Peter Zotov, MIPS: JZ47xx: Fix a few naming issues.
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 = "jz47xx-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-audio",
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

Archive Download this file



interactive