Merge branch 'linus' into sched/clock
[linux-2.6] / arch / arm / mach-pxa / littleton.c
1 /*
2  *  linux/arch/arm/mach-pxa/littleton.c
3  *
4  *  Support for the Marvell Littleton Development Platform.
5  *
6  *  Author:     Jason Chagas (largely modified code)
7  *  Created:    Nov 20, 2006
8  *  Copyright:  (C) Copyright 2006 Marvell International Ltd.
9  *
10  *  2007-11-22  modified to align with latest kernel
11  *              eric miao <eric.miao@marvell.com>
12  *
13  *  This program is free software; you can redistribute it and/or modify
14  *  it under the terms of the GNU General Public License version 2 as
15  *  publishhed by the Free Software Foundation.
16  */
17
18 #include <linux/init.h>
19 #include <linux/interrupt.h>
20 #include <linux/delay.h>
21 #include <linux/platform_device.h>
22 #include <linux/clk.h>
23 #include <linux/smc91x.h>
24
25 #include <asm/types.h>
26 #include <asm/setup.h>
27 #include <asm/memory.h>
28 #include <asm/mach-types.h>
29 #include <mach/hardware.h>
30 #include <asm/irq.h>
31
32 #include <asm/mach/arch.h>
33 #include <asm/mach/map.h>
34 #include <asm/mach/irq.h>
35
36 #include <mach/pxa-regs.h>
37 #include <mach/mfp-pxa300.h>
38 #include <mach/gpio.h>
39 #include <mach/pxafb.h>
40 #include <mach/ssp.h>
41 #include <mach/pxa27x_keypad.h>
42 #include <mach/pxa3xx_nand.h>
43 #include <mach/littleton.h>
44
45 #include "generic.h"
46
47 /* Littleton MFP configurations */
48 static mfp_cfg_t littleton_mfp_cfg[] __initdata = {
49         /* LCD */
50         GPIO54_LCD_LDD_0,
51         GPIO55_LCD_LDD_1,
52         GPIO56_LCD_LDD_2,
53         GPIO57_LCD_LDD_3,
54         GPIO58_LCD_LDD_4,
55         GPIO59_LCD_LDD_5,
56         GPIO60_LCD_LDD_6,
57         GPIO61_LCD_LDD_7,
58         GPIO62_LCD_LDD_8,
59         GPIO63_LCD_LDD_9,
60         GPIO64_LCD_LDD_10,
61         GPIO65_LCD_LDD_11,
62         GPIO66_LCD_LDD_12,
63         GPIO67_LCD_LDD_13,
64         GPIO68_LCD_LDD_14,
65         GPIO69_LCD_LDD_15,
66         GPIO70_LCD_LDD_16,
67         GPIO71_LCD_LDD_17,
68         GPIO72_LCD_FCLK,
69         GPIO73_LCD_LCLK,
70         GPIO74_LCD_PCLK,
71         GPIO75_LCD_BIAS,
72
73         /* SSP2 */
74         GPIO25_SSP2_SCLK,
75         GPIO17_SSP2_FRM,
76         GPIO27_SSP2_TXD,
77
78         /* Debug Ethernet */
79         GPIO90_GPIO,
80
81         /* Keypad */
82         GPIO107_KP_DKIN_0,
83         GPIO108_KP_DKIN_1,
84         GPIO115_KP_MKIN_0,
85         GPIO116_KP_MKIN_1,
86         GPIO117_KP_MKIN_2,
87         GPIO118_KP_MKIN_3,
88         GPIO119_KP_MKIN_4,
89         GPIO120_KP_MKIN_5,
90         GPIO121_KP_MKOUT_0,
91         GPIO122_KP_MKOUT_1,
92         GPIO123_KP_MKOUT_2,
93         GPIO124_KP_MKOUT_3,
94         GPIO125_KP_MKOUT_4,
95 };
96
97 static struct resource smc91x_resources[] = {
98         [0] = {
99                 .start  = (LITTLETON_ETH_PHYS + 0x300),
100                 .end    = (LITTLETON_ETH_PHYS + 0xfffff),
101                 .flags  = IORESOURCE_MEM,
102         },
103         [1] = {
104                 .start  = IRQ_GPIO(mfp_to_gpio(MFP_PIN_GPIO90)),
105                 .end    = IRQ_GPIO(mfp_to_gpio(MFP_PIN_GPIO90)),
106                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
107         }
108 };
109
110 static struct smc91x_platdata littleton_smc91x_info = {
111         .flags  = SMC91X_USE_8BIT | SMC91X_USE_16BIT |
112                   SMC91X_NOWAIT | SMC91X_USE_DMA,
113 };
114
115 static struct platform_device smc91x_device = {
116         .name           = "smc91x",
117         .id             = 0,
118         .num_resources  = ARRAY_SIZE(smc91x_resources),
119         .resource       = smc91x_resources,
120         .dev            = {
121                 .platform_data = &littleton_smc91x_info,
122         },
123 };
124
125 #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
126 /* use bit 30, 31 as the indicator of command parameter number */
127 #define CMD0(x)         ((0x00000000) | ((x) << 9))
128 #define CMD1(x, x1)     ((0x40000000) | ((x) << 9) | 0x100 | (x1))
129 #define CMD2(x, x1, x2) ((0x80000000) | ((x) << 18) | 0x20000 |\
130                          ((x1) << 9) | 0x100 | (x2))
131
132 static uint32_t lcd_panel_reset[] = {
133         CMD0(0x1), /* reset */
134         CMD0(0x0), /* nop */
135         CMD0(0x0), /* nop */
136         CMD0(0x0), /* nop */
137 };
138
139 static uint32_t lcd_panel_on[] = {
140         CMD0(0x29),             /* Display ON */
141         CMD2(0xB8, 0xFF, 0xF9), /* Output Control */
142         CMD0(0x11),             /* Sleep out */
143         CMD1(0xB0, 0x16),       /* Wake */
144 };
145
146 static uint32_t lcd_panel_off[] = {
147         CMD0(0x28),             /* Display OFF */
148         CMD2(0xB8, 0x80, 0x02), /* Output Control */
149         CMD0(0x10),             /* Sleep in */
150         CMD1(0xB0, 0x00),       /* Deep stand by in */
151 };
152
153 static uint32_t lcd_vga_pass_through[] = {
154         CMD1(0xB0, 0x16),
155         CMD1(0xBC, 0x80),
156         CMD1(0xE1, 0x00),
157         CMD1(0x36, 0x50),
158         CMD1(0x3B, 0x00),
159 };
160
161 static uint32_t lcd_qvga_pass_through[] = {
162         CMD1(0xB0, 0x16),
163         CMD1(0xBC, 0x81),
164         CMD1(0xE1, 0x00),
165         CMD1(0x36, 0x50),
166         CMD1(0x3B, 0x22),
167 };
168
169 static uint32_t lcd_vga_transfer[] = {
170         CMD1(0xcf, 0x02),       /* Blanking period control (1) */
171         CMD2(0xd0, 0x08, 0x04), /* Blanking period control (2) */
172         CMD1(0xd1, 0x01),       /* CKV timing control on/off */
173         CMD2(0xd2, 0x14, 0x00), /* CKV 1,2 timing control */
174         CMD2(0xd3, 0x1a, 0x0f), /* OEV timing control */
175         CMD2(0xd4, 0x1f, 0xaf), /* ASW timing control (1) */
176         CMD1(0xd5, 0x14),       /* ASW timing control (2) */
177         CMD0(0x21),             /* Invert for normally black display */
178         CMD0(0x29),             /* Display on */
179 };
180
181 static uint32_t lcd_qvga_transfer[] = {
182         CMD1(0xd6, 0x02),       /* Blanking period control (1) */
183         CMD2(0xd7, 0x08, 0x04), /* Blanking period control (2) */
184         CMD1(0xd8, 0x01),       /* CKV timing control on/off */
185         CMD2(0xd9, 0x00, 0x08), /* CKV 1,2 timing control */
186         CMD2(0xde, 0x05, 0x0a), /* OEV timing control */
187         CMD2(0xdf, 0x0a, 0x19), /* ASW timing control (1) */
188         CMD1(0xe0, 0x0a),       /* ASW timing control (2) */
189         CMD0(0x21),             /* Invert for normally black display */
190         CMD0(0x29),             /* Display on */
191 };
192
193 static uint32_t lcd_panel_config[] = {
194         CMD2(0xb8, 0xff, 0xf9), /* Output control */
195         CMD0(0x11),             /* sleep out */
196         CMD1(0xba, 0x01),       /* Display mode (1) */
197         CMD1(0xbb, 0x00),       /* Display mode (2) */
198         CMD1(0x3a, 0x60),       /* Display mode 18-bit RGB */
199         CMD1(0xbf, 0x10),       /* Drive system change control */
200         CMD1(0xb1, 0x56),       /* Booster operation setup */
201         CMD1(0xb2, 0x33),       /* Booster mode setup */
202         CMD1(0xb3, 0x11),       /* Booster frequency setup */
203         CMD1(0xb4, 0x02),       /* Op amp/system clock */
204         CMD1(0xb5, 0x35),       /* VCS voltage */
205         CMD1(0xb6, 0x40),       /* VCOM voltage */
206         CMD1(0xb7, 0x03),       /* External display signal */
207         CMD1(0xbd, 0x00),       /* ASW slew rate */
208         CMD1(0xbe, 0x00),       /* Dummy data for QuadData operation */
209         CMD1(0xc0, 0x11),       /* Sleep out FR count (A) */
210         CMD1(0xc1, 0x11),       /* Sleep out FR count (B) */
211         CMD1(0xc2, 0x11),       /* Sleep out FR count (C) */
212         CMD2(0xc3, 0x20, 0x40), /* Sleep out FR count (D) */
213         CMD2(0xc4, 0x60, 0xc0), /* Sleep out FR count (E) */
214         CMD2(0xc5, 0x10, 0x20), /* Sleep out FR count (F) */
215         CMD1(0xc6, 0xc0),       /* Sleep out FR count (G) */
216         CMD2(0xc7, 0x33, 0x43), /* Gamma 1 fine tuning (1) */
217         CMD1(0xc8, 0x44),       /* Gamma 1 fine tuning (2) */
218         CMD1(0xc9, 0x33),       /* Gamma 1 inclination adjustment */
219         CMD1(0xca, 0x00),       /* Gamma 1 blue offset adjustment */
220         CMD2(0xec, 0x01, 0xf0), /* Horizontal clock cycles */
221 };
222
223 static void ssp_reconfig(struct ssp_dev *dev, int nparam)
224 {
225         static int last_nparam = -1;
226
227         /* check if it is necessary to re-config SSP */
228         if (nparam == last_nparam)
229                 return;
230
231         ssp_disable(dev);
232         ssp_config(dev, (nparam == 2) ? 0x0010058a : 0x00100581, 0x18, 0, 0);
233
234         last_nparam = nparam;
235 }
236
237 static void ssp_send_cmd(uint32_t *cmd, int num)
238 {
239         static int ssp_initialized;
240         static struct ssp_dev ssp2;
241
242         int i;
243
244         if (!ssp_initialized) {
245                 ssp_init(&ssp2, 2, SSP_NO_IRQ);
246                 ssp_initialized = 1;
247         }
248
249         clk_enable(ssp2.ssp->clk);
250         for (i = 0; i < num; i++, cmd++) {
251                 ssp_reconfig(&ssp2, (*cmd >> 30) & 0x3);
252                 ssp_write_word(&ssp2, *cmd & 0x3fffffff);
253
254                 /* FIXME: ssp_flush() is mandatory here to work */
255                 ssp_flush(&ssp2);
256         }
257         clk_disable(ssp2.ssp->clk);
258 }
259
260 static void littleton_lcd_power(int on, struct fb_var_screeninfo *var)
261 {
262         if (on) {
263                 ssp_send_cmd(ARRAY_AND_SIZE(lcd_panel_on));
264                 ssp_send_cmd(ARRAY_AND_SIZE(lcd_panel_reset));
265                 if (var->xres > 240) {
266                         /* VGA */
267                         ssp_send_cmd(ARRAY_AND_SIZE(lcd_vga_pass_through));
268                         ssp_send_cmd(ARRAY_AND_SIZE(lcd_panel_config));
269                         ssp_send_cmd(ARRAY_AND_SIZE(lcd_vga_transfer));
270                 } else {
271                         /* QVGA */
272                         ssp_send_cmd(ARRAY_AND_SIZE(lcd_qvga_pass_through));
273                         ssp_send_cmd(ARRAY_AND_SIZE(lcd_panel_config));
274                         ssp_send_cmd(ARRAY_AND_SIZE(lcd_qvga_transfer));
275                 }
276         } else
277                 ssp_send_cmd(ARRAY_AND_SIZE(lcd_panel_off));
278 }
279
280 static struct pxafb_mode_info tpo_tdo24mtea1_modes[] = {
281         [0] = {
282                 /* VGA */
283                 .pixclock       = 38250,
284                 .xres           = 480,
285                 .yres           = 640,
286                 .bpp            = 16,
287                 .hsync_len      = 8,
288                 .left_margin    = 8,
289                 .right_margin   = 24,
290                 .vsync_len      = 2,
291                 .upper_margin   = 2,
292                 .lower_margin   = 4,
293                 .sync           = 0,
294         },
295         [1] = {
296                 /* QVGA */
297                 .pixclock       = 153000,
298                 .xres           = 240,
299                 .yres           = 320,
300                 .bpp            = 16,
301                 .hsync_len      = 8,
302                 .left_margin    = 8,
303                 .right_margin   = 88,
304                 .vsync_len      = 2,
305                 .upper_margin   = 2,
306                 .lower_margin   = 2,
307                 .sync           = 0,
308         },
309 };
310
311 static struct pxafb_mach_info littleton_lcd_info = {
312         .modes                  = tpo_tdo24mtea1_modes,
313         .num_modes              = 2,
314         .lcd_conn               = LCD_COLOR_TFT_16BPP,
315         .pxafb_lcd_power        = littleton_lcd_power,
316 };
317
318 static void littleton_init_lcd(void)
319 {
320         set_pxa_fb_info(&littleton_lcd_info);
321 }
322 #else
323 static inline void littleton_init_lcd(void) {};
324 #endif /* CONFIG_FB_PXA || CONFIG_FB_PXA_MODULE */
325
326 #if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULE)
327 static unsigned int littleton_matrix_key_map[] = {
328         /* KEY(row, col, key_code) */
329         KEY(1, 3, KEY_0), KEY(0, 0, KEY_1), KEY(1, 0, KEY_2), KEY(2, 0, KEY_3),
330         KEY(0, 1, KEY_4), KEY(1, 1, KEY_5), KEY(2, 1, KEY_6), KEY(0, 2, KEY_7),
331         KEY(1, 2, KEY_8), KEY(2, 2, KEY_9),
332
333         KEY(0, 3, KEY_KPASTERISK),      /* * */
334         KEY(2, 3, KEY_KPDOT),           /* # */
335
336         KEY(5, 4, KEY_ENTER),
337
338         KEY(5, 0, KEY_UP),
339         KEY(5, 1, KEY_DOWN),
340         KEY(5, 2, KEY_LEFT),
341         KEY(5, 3, KEY_RIGHT),
342         KEY(3, 2, KEY_HOME),
343         KEY(4, 1, KEY_END),
344         KEY(3, 3, KEY_BACK),
345
346         KEY(4, 0, KEY_SEND),
347         KEY(4, 2, KEY_VOLUMEUP),
348         KEY(4, 3, KEY_VOLUMEDOWN),
349
350         KEY(3, 0, KEY_F22),     /* soft1 */
351         KEY(3, 1, KEY_F23),     /* soft2 */
352 };
353
354 static struct pxa27x_keypad_platform_data littleton_keypad_info = {
355         .matrix_key_rows        = 6,
356         .matrix_key_cols        = 5,
357         .matrix_key_map         = littleton_matrix_key_map,
358         .matrix_key_map_size    = ARRAY_SIZE(littleton_matrix_key_map),
359
360         .enable_rotary0         = 1,
361         .rotary0_up_key         = KEY_UP,
362         .rotary0_down_key       = KEY_DOWN,
363
364         .debounce_interval      = 30,
365 };
366 static void __init littleton_init_keypad(void)
367 {
368         pxa_set_keypad_info(&littleton_keypad_info);
369 }
370 #else
371 static inline void littleton_init_keypad(void) {}
372 #endif
373
374 #if defined(CONFIG_MTD_NAND_PXA3xx) || defined(CONFIG_MTD_NAND_PXA3xx_MODULE)
375 static struct mtd_partition littleton_nand_partitions[] = {
376         [0] = {
377                 .name        = "Bootloader",
378                 .offset      = 0,
379                 .size        = 0x060000,
380                 .mask_flags  = MTD_WRITEABLE, /* force read-only */
381         },
382         [1] = {
383                 .name        = "Kernel",
384                 .offset      = 0x060000,
385                 .size        = 0x200000,
386                 .mask_flags  = MTD_WRITEABLE, /* force read-only */
387         },
388         [2] = {
389                 .name        = "Filesystem",
390                 .offset      = 0x0260000,
391                 .size        = 0x3000000,     /* 48M - rootfs */
392         },
393         [3] = {
394                 .name        = "MassStorage",
395                 .offset      = 0x3260000,
396                 .size        = 0x3d40000,
397         },
398         [4] = {
399                 .name        = "BBT",
400                 .offset      = 0x6FA0000,
401                 .size        = 0x80000,
402                 .mask_flags  = MTD_WRITEABLE,  /* force read-only */
403         },
404         /* NOTE: we reserve some blocks at the end of the NAND flash for
405          * bad block management, and the max number of relocation blocks
406          * differs on different platforms. Please take care with it when
407          * defining the partition table.
408          */
409 };
410
411 static struct pxa3xx_nand_platform_data littleton_nand_info = {
412         .enable_arbiter = 1,
413         .parts          = littleton_nand_partitions,
414         .nr_parts       = ARRAY_SIZE(littleton_nand_partitions),
415 };
416
417 static void __init littleton_init_nand(void)
418 {
419         pxa3xx_set_nand_info(&littleton_nand_info);
420 }
421 #else
422 static inline void littleton_init_nand(void) {}
423 #endif /* CONFIG_MTD_NAND_PXA3xx || CONFIG_MTD_NAND_PXA3xx_MODULE */
424
425 static void __init littleton_init(void)
426 {
427         /* initialize MFP configurations */
428         pxa3xx_mfp_config(ARRAY_AND_SIZE(littleton_mfp_cfg));
429
430         /*
431          * Note: we depend bootloader set the correct
432          * value to MSC register for SMC91x.
433          */
434         platform_device_register(&smc91x_device);
435
436         littleton_init_lcd();
437         littleton_init_keypad();
438         littleton_init_nand();
439 }
440
441 MACHINE_START(LITTLETON, "Marvell Form Factor Development Platform (aka Littleton)")
442         .phys_io        = 0x40000000,
443         .boot_params    = 0xa0000100,
444         .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
445         .map_io         = pxa_map_io,
446         .init_irq       = pxa3xx_init_irq,
447         .timer          = &pxa_timer,
448         .init_machine   = littleton_init,
449 MACHINE_END