31d2a2270878832354a02e4cd7f6b4b6eaf03516
[linux-2.6.git] / arch / mips / au1000 / common / platform.c
1 /*
2  * Platform device support for Au1x00 SoCs.
3  *
4  * Copyright 2004, Matt Porter <mporter@kernel.crashing.org>
5  *
6  * (C) Copyright Embedded Alley Solutions, Inc 2005
7  * Author: Pantelis Antoniou <pantelis@embeddedalley.com>
8  *
9  * This file is licensed under the terms of the GNU General Public
10  * License version 2.  This program is licensed "as is" without any
11  * warranty of any kind, whether express or implied.
12  */
13
14 #include <linux/platform_device.h>
15 #include <linux/serial_8250.h>
16 #include <linux/init.h>
17
18 #include <asm/mach-au1x00/au1xxx.h>
19
20 #define PORT(_base, _irq)                               \
21         {                                               \
22                 .iobase         = _base,                \
23                 .membase        = (void __iomem *)_base,\
24                 .mapbase        = CPHYSADDR(_base),     \
25                 .irq            = _irq,                 \
26                 .regshift       = 2,                    \
27                 .iotype         = UPIO_AU,              \
28                 .flags          = UPF_SKIP_TEST         \
29         }
30
31 static struct plat_serial8250_port au1x00_uart_data[] = {
32 #if defined(CONFIG_SERIAL_8250_AU1X00)
33 #if defined(CONFIG_SOC_AU1000)
34         PORT(UART0_ADDR, AU1000_UART0_INT),
35         PORT(UART1_ADDR, AU1000_UART1_INT),
36         PORT(UART2_ADDR, AU1000_UART2_INT),
37         PORT(UART3_ADDR, AU1000_UART3_INT),
38 #elif defined(CONFIG_SOC_AU1500)
39         PORT(UART0_ADDR, AU1500_UART0_INT),
40         PORT(UART3_ADDR, AU1500_UART3_INT),
41 #elif defined(CONFIG_SOC_AU1100)
42         PORT(UART0_ADDR, AU1100_UART0_INT),
43         PORT(UART1_ADDR, AU1100_UART1_INT),
44         PORT(UART3_ADDR, AU1100_UART3_INT),
45 #elif defined(CONFIG_SOC_AU1550)
46         PORT(UART0_ADDR, AU1550_UART0_INT),
47         PORT(UART1_ADDR, AU1550_UART1_INT),
48         PORT(UART3_ADDR, AU1550_UART3_INT),
49 #elif defined(CONFIG_SOC_AU1200)
50         PORT(UART0_ADDR, AU1200_UART0_INT),
51         PORT(UART1_ADDR, AU1200_UART1_INT),
52 #endif
53 #endif  /* CONFIG_SERIAL_8250_AU1X00 */
54         { },
55 };
56
57 static struct platform_device au1xx0_uart_device = {
58         .name                   = "serial8250",
59         .id                     = PLAT8250_DEV_AU1X00,
60         .dev                    = {
61                 .platform_data  = au1x00_uart_data,
62         },
63 };
64
65 /* OHCI (USB full speed host controller) */
66 static struct resource au1xxx_usb_ohci_resources[] = {
67         [0] = {
68                 .start          = USB_OHCI_BASE,
69                 .end            = USB_OHCI_BASE + USB_OHCI_LEN - 1,
70                 .flags          = IORESOURCE_MEM,
71         },
72         [1] = {
73                 .start          = AU1000_USB_HOST_INT,
74                 .end            = AU1000_USB_HOST_INT,
75                 .flags          = IORESOURCE_IRQ,
76         },
77 };
78
79 /* The dmamask must be set for OHCI to work */
80 static u64 ohci_dmamask = ~(u32)0;
81
82 static struct platform_device au1xxx_usb_ohci_device = {
83         .name           = "au1xxx-ohci",
84         .id             = 0,
85         .dev = {
86                 .dma_mask               = &ohci_dmamask,
87                 .coherent_dma_mask      = 0xffffffff,
88         },
89         .num_resources  = ARRAY_SIZE(au1xxx_usb_ohci_resources),
90         .resource       = au1xxx_usb_ohci_resources,
91 };
92
93 /*** AU1100 LCD controller ***/
94
95 #ifdef CONFIG_FB_AU1100
96 static struct resource au1100_lcd_resources[] = {
97         [0] = {
98                 .start          = LCD_PHYS_ADDR,
99                 .end            = LCD_PHYS_ADDR + 0x800 - 1,
100                 .flags          = IORESOURCE_MEM,
101         },
102         [1] = {
103                 .start          = AU1100_LCD_INT,
104                 .end            = AU1100_LCD_INT,
105                 .flags          = IORESOURCE_IRQ,
106         }
107 };
108
109 static u64 au1100_lcd_dmamask = ~(u32)0;
110
111 static struct platform_device au1100_lcd_device = {
112         .name           = "au1100-lcd",
113         .id             = 0,
114         .dev = {
115                 .dma_mask               = &au1100_lcd_dmamask,
116                 .coherent_dma_mask      = 0xffffffff,
117         },
118         .num_resources  = ARRAY_SIZE(au1100_lcd_resources),
119         .resource       = au1100_lcd_resources,
120 };
121 #endif
122
123 #ifdef CONFIG_SOC_AU1200
124 /* EHCI (USB high speed host controller) */
125 static struct resource au1xxx_usb_ehci_resources[] = {
126         [0] = {
127                 .start          = USB_EHCI_BASE,
128                 .end            = USB_EHCI_BASE + USB_EHCI_LEN - 1,
129                 .flags          = IORESOURCE_MEM,
130         },
131         [1] = {
132                 .start          = AU1000_USB_HOST_INT,
133                 .end            = AU1000_USB_HOST_INT,
134                 .flags          = IORESOURCE_IRQ,
135         },
136 };
137
138 static u64 ehci_dmamask = ~(u32)0;
139
140 static struct platform_device au1xxx_usb_ehci_device = {
141         .name           = "au1xxx-ehci",
142         .id             = 0,
143         .dev = {
144                 .dma_mask               = &ehci_dmamask,
145                 .coherent_dma_mask      = 0xffffffff,
146         },
147         .num_resources  = ARRAY_SIZE(au1xxx_usb_ehci_resources),
148         .resource       = au1xxx_usb_ehci_resources,
149 };
150
151 /* Au1200 UDC (USB gadget controller) */
152 static struct resource au1xxx_usb_gdt_resources[] = {
153         [0] = {
154                 .start          = USB_UDC_BASE,
155                 .end            = USB_UDC_BASE + USB_UDC_LEN - 1,
156                 .flags          = IORESOURCE_MEM,
157         },
158         [1] = {
159                 .start          = AU1200_USB_INT,
160                 .end            = AU1200_USB_INT,
161                 .flags          = IORESOURCE_IRQ,
162         },
163 };
164
165 static struct resource au1xxx_mmc_resources[] = {
166         [0] = {
167                 .start          = SD0_PHYS_ADDR,
168                 .end            = SD0_PHYS_ADDR + 0x40,
169                 .flags          = IORESOURCE_MEM,
170         },
171         [1] = {
172                 .start          = SD1_PHYS_ADDR,
173                 .end            = SD1_PHYS_ADDR + 0x40,
174                 .flags          = IORESOURCE_MEM,
175         },
176         [2] = {
177                 .start          = AU1200_SD_INT,
178                 .end            = AU1200_SD_INT,
179                 .flags          = IORESOURCE_IRQ,
180         }
181 };
182
183 static u64 udc_dmamask = ~(u32)0;
184
185 static struct platform_device au1xxx_usb_gdt_device = {
186         .name           = "au1xxx-udc",
187         .id             = 0,
188         .dev = {
189                 .dma_mask               = &udc_dmamask,
190                 .coherent_dma_mask      = 0xffffffff,
191         },
192         .num_resources  = ARRAY_SIZE(au1xxx_usb_gdt_resources),
193         .resource       = au1xxx_usb_gdt_resources,
194 };
195
196 /* Au1200 UOC (USB OTG controller) */
197 static struct resource au1xxx_usb_otg_resources[] = {
198         [0] = {
199                 .start          = USB_UOC_BASE,
200                 .end            = USB_UOC_BASE + USB_UOC_LEN - 1,
201                 .flags          = IORESOURCE_MEM,
202         },
203         [1] = {
204                 .start          = AU1200_USB_INT,
205                 .end            = AU1200_USB_INT,
206                 .flags          = IORESOURCE_IRQ,
207         },
208 };
209
210 static u64 uoc_dmamask = ~(u32)0;
211
212 static struct platform_device au1xxx_usb_otg_device = {
213         .name           = "au1xxx-uoc",
214         .id             = 0,
215         .dev = {
216                 .dma_mask               = &uoc_dmamask,
217                 .coherent_dma_mask      = 0xffffffff,
218         },
219         .num_resources  = ARRAY_SIZE(au1xxx_usb_otg_resources),
220         .resource       = au1xxx_usb_otg_resources,
221 };
222
223 static struct resource au1200_lcd_resources[] = {
224         [0] = {
225                 .start          = LCD_PHYS_ADDR,
226                 .end            = LCD_PHYS_ADDR + 0x800 - 1,
227                 .flags          = IORESOURCE_MEM,
228         },
229         [1] = {
230                 .start          = AU1200_LCD_INT,
231                 .end            = AU1200_LCD_INT,
232                 .flags          = IORESOURCE_IRQ,
233         }
234 };
235
236 static u64 au1200_lcd_dmamask = ~(u32)0;
237
238 static struct platform_device au1200_lcd_device = {
239         .name           = "au1200-lcd",
240         .id             = 0,
241         .dev = {
242                 .dma_mask               = &au1200_lcd_dmamask,
243                 .coherent_dma_mask      = 0xffffffff,
244         },
245         .num_resources  = ARRAY_SIZE(au1200_lcd_resources),
246         .resource       = au1200_lcd_resources,
247 };
248
249 static u64 au1xxx_mmc_dmamask =  ~(u32)0;
250
251 static struct platform_device au1xxx_mmc_device = {
252         .name = "au1xxx-mmc",
253         .id = 0,
254         .dev = {
255                 .dma_mask               = &au1xxx_mmc_dmamask,
256                 .coherent_dma_mask      = 0xffffffff,
257         },
258         .num_resources  = ARRAY_SIZE(au1xxx_mmc_resources),
259         .resource       = au1xxx_mmc_resources,
260 };
261 #endif /* #ifdef CONFIG_SOC_AU1200 */
262
263 static struct platform_device au1x00_pcmcia_device = {
264         .name           = "au1x00-pcmcia",
265         .id             = 0,
266 };
267
268 /* All Alchemy demoboards with I2C have this #define in their headers */
269 #ifdef SMBUS_PSC_BASE
270 static struct resource pbdb_smbus_resources[] = {
271         {
272                 .start  = SMBUS_PSC_BASE,
273                 .end    = SMBUS_PSC_BASE + 0x24 - 1,
274                 .flags  = IORESOURCE_MEM,
275         },
276 };
277
278 static struct platform_device pbdb_smbus_device = {
279         .name           = "au1xpsc_smbus",
280         .id             = 0,    /* bus number */
281         .num_resources  = ARRAY_SIZE(pbdb_smbus_resources),
282         .resource       = pbdb_smbus_resources,
283 };
284 #endif
285
286 static struct platform_device *au1xxx_platform_devices[] __initdata = {
287         &au1xx0_uart_device,
288         &au1xxx_usb_ohci_device,
289         &au1x00_pcmcia_device,
290 #ifdef CONFIG_FB_AU1100
291         &au1100_lcd_device,
292 #endif
293 #ifdef CONFIG_SOC_AU1200
294         &au1xxx_usb_ehci_device,
295         &au1xxx_usb_gdt_device,
296         &au1xxx_usb_otg_device,
297         &au1200_lcd_device,
298         &au1xxx_mmc_device,
299 #endif
300 #ifdef SMBUS_PSC_BASE
301         &pbdb_smbus_device,
302 #endif
303 };
304
305 int __init au1xxx_platform_init(void)
306 {
307         unsigned int uartclk = get_au1x00_uart_baud_base() * 16;
308         int i;
309
310         /* Fill up uartclk. */
311         for (i = 0; au1x00_uart_data[i].flags ; i++)
312                 au1x00_uart_data[i].uartclk = uartclk;
313
314         return platform_add_devices(au1xxx_platform_devices, ARRAY_SIZE(au1xxx_platform_devices));
315 }
316
317 arch_initcall(au1xxx_platform_init);