Merge http://ftp.arm.linux.org.uk/pub/linux/arm/kernel/git-cur/linux-2.6-arm into...
[linux-2.6.git] / arch / arm / mach-s3c2410 / mach-vr1000.c
1 /* linux/arch/arm/mach-s3c2410/mach-vr1000.c
2  *
3  * Copyright (c) 2003-2005,2008 Simtec Electronics
4  *   Ben Dooks <ben@simtec.co.uk>
5  *
6  * Machine support for Thorcom VR1000 board. Designed for Thorcom by
7  * Simtec Electronics, http://www.simtec.co.uk/
8  *
9  * This program is free software; you can redistribute it and/or modify
10  * it under the terms of the GNU General Public License version 2 as
11  * published by the Free Software Foundation.
12  *
13 */
14
15 #include <linux/kernel.h>
16 #include <linux/types.h>
17 #include <linux/interrupt.h>
18 #include <linux/list.h>
19 #include <linux/timer.h>
20 #include <linux/init.h>
21 #include <linux/dm9000.h>
22 #include <linux/i2c.h>
23
24 #include <linux/serial.h>
25 #include <linux/tty.h>
26 #include <linux/serial_8250.h>
27 #include <linux/serial_reg.h>
28
29 #include <asm/mach/arch.h>
30 #include <asm/mach/map.h>
31 #include <asm/mach/irq.h>
32
33 #include <mach/bast-map.h>
34 #include <mach/vr1000-map.h>
35 #include <mach/vr1000-irq.h>
36 #include <mach/vr1000-cpld.h>
37
38 #include <mach/hardware.h>
39 #include <asm/io.h>
40 #include <asm/irq.h>
41 #include <asm/mach-types.h>
42
43 #include <asm/plat-s3c/regs-serial.h>
44 #include <mach/regs-gpio.h>
45 #include <mach/leds-gpio.h>
46
47 #include <asm/plat-s3c24xx/clock.h>
48 #include <asm/plat-s3c24xx/devs.h>
49 #include <asm/plat-s3c24xx/cpu.h>
50
51 #include "usb-simtec.h"
52 #include "nor-simtec.h"
53
54 /* macros for virtual address mods for the io space entries */
55 #define VA_C5(item) ((unsigned long)(item) + BAST_VAM_CS5)
56 #define VA_C4(item) ((unsigned long)(item) + BAST_VAM_CS4)
57 #define VA_C3(item) ((unsigned long)(item) + BAST_VAM_CS3)
58 #define VA_C2(item) ((unsigned long)(item) + BAST_VAM_CS2)
59
60 /* macros to modify the physical addresses for io space */
61
62 #define PA_CS2(item) (__phys_to_pfn((item) + S3C2410_CS2))
63 #define PA_CS3(item) (__phys_to_pfn((item) + S3C2410_CS3))
64 #define PA_CS4(item) (__phys_to_pfn((item) + S3C2410_CS4))
65 #define PA_CS5(item) (__phys_to_pfn((item) + S3C2410_CS5))
66
67 static struct map_desc vr1000_iodesc[] __initdata = {
68   /* ISA IO areas */
69   {
70           .virtual      = (u32)S3C24XX_VA_ISA_BYTE,
71           .pfn          = PA_CS2(BAST_PA_ISAIO),
72           .length       = SZ_16M,
73           .type         = MT_DEVICE,
74   }, {
75           .virtual      = (u32)S3C24XX_VA_ISA_WORD,
76           .pfn          = PA_CS3(BAST_PA_ISAIO),
77           .length       = SZ_16M,
78           .type         = MT_DEVICE,
79   },
80
81   /*  CPLD control registers, and external interrupt controls */
82   {
83           .virtual      = (u32)VR1000_VA_CTRL1,
84           .pfn          = __phys_to_pfn(VR1000_PA_CTRL1),
85           .length       = SZ_1M,
86           .type         = MT_DEVICE,
87   }, {
88           .virtual      = (u32)VR1000_VA_CTRL2,
89           .pfn          = __phys_to_pfn(VR1000_PA_CTRL2),
90           .length       = SZ_1M,
91           .type         = MT_DEVICE,
92   }, {
93           .virtual      = (u32)VR1000_VA_CTRL3,
94           .pfn          = __phys_to_pfn(VR1000_PA_CTRL3),
95           .length       = SZ_1M,
96           .type         = MT_DEVICE,
97   }, {
98           .virtual      = (u32)VR1000_VA_CTRL4,
99           .pfn          = __phys_to_pfn(VR1000_PA_CTRL4),
100           .length       = SZ_1M,
101           .type         = MT_DEVICE,
102   },
103 };
104
105 #define UCON S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK
106 #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
107 #define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
108
109 /* uart clock source(s) */
110
111 static struct s3c24xx_uart_clksrc vr1000_serial_clocks[] = {
112         [0] = {
113                 .name           = "uclk",
114                 .divisor        = 1,
115                 .min_baud       = 0,
116                 .max_baud       = 0,
117         },
118         [1] = {
119                 .name           = "pclk",
120                 .divisor        = 1,
121                 .min_baud       = 0,
122                 .max_baud       = 0.
123         }
124 };
125
126 static struct s3c2410_uartcfg vr1000_uartcfgs[] __initdata = {
127         [0] = {
128                 .hwport      = 0,
129                 .flags       = 0,
130                 .ucon        = UCON,
131                 .ulcon       = ULCON,
132                 .ufcon       = UFCON,
133                 .clocks      = vr1000_serial_clocks,
134                 .clocks_size = ARRAY_SIZE(vr1000_serial_clocks),
135         },
136         [1] = {
137                 .hwport      = 1,
138                 .flags       = 0,
139                 .ucon        = UCON,
140                 .ulcon       = ULCON,
141                 .ufcon       = UFCON,
142                 .clocks      = vr1000_serial_clocks,
143                 .clocks_size = ARRAY_SIZE(vr1000_serial_clocks),
144         },
145         /* port 2 is not actually used */
146         [2] = {
147                 .hwport      = 2,
148                 .flags       = 0,
149                 .ucon        = UCON,
150                 .ulcon       = ULCON,
151                 .ufcon       = UFCON,
152                 .clocks      = vr1000_serial_clocks,
153                 .clocks_size = ARRAY_SIZE(vr1000_serial_clocks),
154
155         }
156 };
157
158 /* definitions for the vr1000 extra 16550 serial ports */
159
160 #define VR1000_BAUDBASE (3692307)
161
162 #define VR1000_SERIAL_MAPBASE(x) (VR1000_PA_SERIAL + 0x80 + ((x) << 5))
163
164 static struct plat_serial8250_port serial_platform_data[] = {
165         [0] = {
166                 .mapbase        = VR1000_SERIAL_MAPBASE(0),
167                 .irq            = IRQ_VR1000_SERIAL + 0,
168                 .flags          = UPF_BOOT_AUTOCONF | UPF_IOREMAP,
169                 .iotype         = UPIO_MEM,
170                 .regshift       = 0,
171                 .uartclk        = VR1000_BAUDBASE,
172         },
173         [1] = {
174                 .mapbase        = VR1000_SERIAL_MAPBASE(1),
175                 .irq            = IRQ_VR1000_SERIAL + 1,
176                 .flags          = UPF_BOOT_AUTOCONF | UPF_IOREMAP,
177                 .iotype         = UPIO_MEM,
178                 .regshift       = 0,
179                 .uartclk        = VR1000_BAUDBASE,
180         },
181         [2] = {
182                 .mapbase        = VR1000_SERIAL_MAPBASE(2),
183                 .irq            = IRQ_VR1000_SERIAL + 2,
184                 .flags          = UPF_BOOT_AUTOCONF | UPF_IOREMAP,
185                 .iotype         = UPIO_MEM,
186                 .regshift       = 0,
187                 .uartclk        = VR1000_BAUDBASE,
188         },
189         [3] = {
190                 .mapbase        = VR1000_SERIAL_MAPBASE(3),
191                 .irq            = IRQ_VR1000_SERIAL + 3,
192                 .flags          = UPF_BOOT_AUTOCONF | UPF_IOREMAP,
193                 .iotype         = UPIO_MEM,
194                 .regshift       = 0,
195                 .uartclk        = VR1000_BAUDBASE,
196         },
197         { },
198 };
199
200 static struct platform_device serial_device = {
201         .name                   = "serial8250",
202         .id                     = PLAT8250_DEV_PLATFORM,
203         .dev                    = {
204                 .platform_data  = serial_platform_data,
205         },
206 };
207
208 /* DM9000 ethernet devices */
209
210 static struct resource vr1000_dm9k0_resource[] = {
211         [0] = {
212                 .start = S3C2410_CS5 + VR1000_PA_DM9000,
213                 .end   = S3C2410_CS5 + VR1000_PA_DM9000 + 3,
214                 .flags = IORESOURCE_MEM
215         },
216         [1] = {
217                 .start = S3C2410_CS5 + VR1000_PA_DM9000 + 0x40,
218                 .end   = S3C2410_CS5 + VR1000_PA_DM9000 + 0x7f,
219                 .flags = IORESOURCE_MEM
220         },
221         [2] = {
222                 .start = IRQ_VR1000_DM9000A,
223                 .end   = IRQ_VR1000_DM9000A,
224                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
225         }
226
227 };
228
229 static struct resource vr1000_dm9k1_resource[] = {
230         [0] = {
231                 .start = S3C2410_CS5 + VR1000_PA_DM9000 + 0x80,
232                 .end   = S3C2410_CS5 + VR1000_PA_DM9000 + 0x83,
233                 .flags = IORESOURCE_MEM
234         },
235         [1] = {
236                 .start = S3C2410_CS5 + VR1000_PA_DM9000 + 0xC0,
237                 .end   = S3C2410_CS5 + VR1000_PA_DM9000 + 0xFF,
238                 .flags = IORESOURCE_MEM
239         },
240         [2] = {
241                 .start = IRQ_VR1000_DM9000N,
242                 .end   = IRQ_VR1000_DM9000N,
243                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
244         }
245 };
246
247 /* for the moment we limit ourselves to 16bit IO until some
248  * better IO routines can be written and tested
249 */
250
251 static struct dm9000_plat_data vr1000_dm9k_platdata = {
252         .flags          = DM9000_PLATF_16BITONLY,
253 };
254
255 static struct platform_device vr1000_dm9k0 = {
256         .name           = "dm9000",
257         .id             = 0,
258         .num_resources  = ARRAY_SIZE(vr1000_dm9k0_resource),
259         .resource       = vr1000_dm9k0_resource,
260         .dev            = {
261                 .platform_data = &vr1000_dm9k_platdata,
262         }
263 };
264
265 static struct platform_device vr1000_dm9k1 = {
266         .name           = "dm9000",
267         .id             = 1,
268         .num_resources  = ARRAY_SIZE(vr1000_dm9k1_resource),
269         .resource       = vr1000_dm9k1_resource,
270         .dev            = {
271                 .platform_data = &vr1000_dm9k_platdata,
272         }
273 };
274
275 /* LEDS */
276
277 static struct s3c24xx_led_platdata vr1000_led1_pdata = {
278         .name           = "led1",
279         .gpio           = S3C2410_GPB0,
280         .def_trigger    = "",
281 };
282
283 static struct s3c24xx_led_platdata vr1000_led2_pdata = {
284         .name           = "led2",
285         .gpio           = S3C2410_GPB1,
286         .def_trigger    = "",
287 };
288
289 static struct s3c24xx_led_platdata vr1000_led3_pdata = {
290         .name           = "led3",
291         .gpio           = S3C2410_GPB2,
292         .def_trigger    = "",
293 };
294
295 static struct platform_device vr1000_led1 = {
296         .name           = "s3c24xx_led",
297         .id             = 1,
298         .dev            = {
299                 .platform_data  = &vr1000_led1_pdata,
300         },
301 };
302
303 static struct platform_device vr1000_led2 = {
304         .name           = "s3c24xx_led",
305         .id             = 2,
306         .dev            = {
307                 .platform_data  = &vr1000_led2_pdata,
308         },
309 };
310
311 static struct platform_device vr1000_led3 = {
312         .name           = "s3c24xx_led",
313         .id             = 3,
314         .dev            = {
315                 .platform_data  = &vr1000_led3_pdata,
316         },
317 };
318
319 /* I2C devices. */
320
321 static struct i2c_board_info vr1000_i2c_devs[] __initdata = {
322         {
323                 I2C_BOARD_INFO("tlv320aic23", 0x1a),
324         }, {
325                 I2C_BOARD_INFO("tmp101", 0x48),
326         }, {
327                 I2C_BOARD_INFO("m41st87", 0x68),
328         },
329 };
330
331 /* devices for this board */
332
333 static struct platform_device *vr1000_devices[] __initdata = {
334         &s3c_device_usb,
335         &s3c_device_lcd,
336         &s3c_device_wdt,
337         &s3c_device_i2c,
338         &s3c_device_adc,
339         &serial_device,
340         &vr1000_dm9k0,
341         &vr1000_dm9k1,
342         &vr1000_led1,
343         &vr1000_led2,
344         &vr1000_led3,
345 };
346
347 static struct clk *vr1000_clocks[] __initdata = {
348         &s3c24xx_dclk0,
349         &s3c24xx_dclk1,
350         &s3c24xx_clkout0,
351         &s3c24xx_clkout1,
352         &s3c24xx_uclk,
353 };
354
355 static void vr1000_power_off(void)
356 {
357         s3c2410_gpio_cfgpin(S3C2410_GPB9, S3C2410_GPB9_OUTP);
358         s3c2410_gpio_setpin(S3C2410_GPB9, 1);
359 }
360
361 static void __init vr1000_map_io(void)
362 {
363         /* initialise clock sources */
364
365         s3c24xx_dclk0.parent = &clk_upll;
366         s3c24xx_dclk0.rate   = 12*1000*1000;
367
368         s3c24xx_dclk1.parent = NULL;
369         s3c24xx_dclk1.rate   = 3692307;
370
371         s3c24xx_clkout0.parent  = &s3c24xx_dclk0;
372         s3c24xx_clkout1.parent  = &s3c24xx_dclk1;
373
374         s3c24xx_uclk.parent  = &s3c24xx_clkout1;
375
376         s3c24xx_register_clocks(vr1000_clocks, ARRAY_SIZE(vr1000_clocks));
377
378         pm_power_off = vr1000_power_off;
379
380         s3c24xx_init_io(vr1000_iodesc, ARRAY_SIZE(vr1000_iodesc));
381         s3c24xx_init_clocks(0);
382         s3c24xx_init_uarts(vr1000_uartcfgs, ARRAY_SIZE(vr1000_uartcfgs));
383 }
384
385 static void __init vr1000_init(void)
386 {
387         platform_add_devices(vr1000_devices, ARRAY_SIZE(vr1000_devices));
388
389         i2c_register_board_info(0, vr1000_i2c_devs,
390                                 ARRAY_SIZE(vr1000_i2c_devs));
391
392         nor_simtec_init();
393 }
394
395 MACHINE_START(VR1000, "Thorcom-VR1000")
396         /* Maintainer: Ben Dooks <ben@simtec.co.uk> */
397         .phys_io        = S3C2410_PA_UART,
398         .io_pg_offst    = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
399         .boot_params    = S3C2410_SDRAM_PA + 0x100,
400         .map_io         = vr1000_map_io,
401         .init_machine   = vr1000_init,
402         .init_irq       = s3c24xx_init_irq,
403         .timer          = &s3c24xx_timer,
404 MACHINE_END