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[ARM] pxa: add pxa3xx NAND support for zylonite
[deliverable/linux.git] / arch / arm / mach-pxa / littleton.c
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e1d9b953 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
24#include <asm/types.h>
25#include <asm/setup.h>
26#include <asm/memory.h>
27#include <asm/mach-types.h>
28#include <asm/hardware.h>
29#include <asm/irq.h>
30
31#include <asm/mach/arch.h>
32#include <asm/mach/map.h>
33#include <asm/mach/irq.h>
34
35#include <asm/arch/pxa-regs.h>
36#include <asm/arch/mfp-pxa300.h>
37#include <asm/arch/gpio.h>
38#include <asm/arch/pxafb.h>
39#include <asm/arch/ssp.h>
5fa41510 40#include <asm/arch/pxa27x_keypad.h>
e1d9b953 41#include <asm/arch/littleton.h>
42
43#include "generic.h"
44
e1d9b953 45/* Littleton MFP configurations */
46static mfp_cfg_t littleton_mfp_cfg[] __initdata = {
47 /* LCD */
48 GPIO54_LCD_LDD_0,
49 GPIO55_LCD_LDD_1,
50 GPIO56_LCD_LDD_2,
51 GPIO57_LCD_LDD_3,
52 GPIO58_LCD_LDD_4,
53 GPIO59_LCD_LDD_5,
54 GPIO60_LCD_LDD_6,
55 GPIO61_LCD_LDD_7,
56 GPIO62_LCD_LDD_8,
57 GPIO63_LCD_LDD_9,
58 GPIO64_LCD_LDD_10,
59 GPIO65_LCD_LDD_11,
60 GPIO66_LCD_LDD_12,
61 GPIO67_LCD_LDD_13,
62 GPIO68_LCD_LDD_14,
63 GPIO69_LCD_LDD_15,
64 GPIO70_LCD_LDD_16,
65 GPIO71_LCD_LDD_17,
66 GPIO72_LCD_FCLK,
67 GPIO73_LCD_LCLK,
68 GPIO74_LCD_PCLK,
69 GPIO75_LCD_BIAS,
70
71 /* SSP2 */
72 GPIO25_SSP2_SCLK,
73 GPIO17_SSP2_FRM,
74 GPIO27_SSP2_TXD,
75
76 /* Debug Ethernet */
77 GPIO90_GPIO,
5fa41510 78
79 /* Keypad */
80 GPIO107_KP_DKIN_0,
81 GPIO108_KP_DKIN_1,
82 GPIO115_KP_MKIN_0,
83 GPIO116_KP_MKIN_1,
84 GPIO117_KP_MKIN_2,
85 GPIO118_KP_MKIN_3,
86 GPIO119_KP_MKIN_4,
87 GPIO120_KP_MKIN_5,
88 GPIO121_KP_MKOUT_0,
89 GPIO122_KP_MKOUT_1,
90 GPIO123_KP_MKOUT_2,
91 GPIO124_KP_MKOUT_3,
92 GPIO125_KP_MKOUT_4,
e1d9b953 93};
94
95static struct resource smc91x_resources[] = {
96 [0] = {
97 .start = (LITTLETON_ETH_PHYS + 0x300),
98 .end = (LITTLETON_ETH_PHYS + 0xfffff),
99 .flags = IORESOURCE_MEM,
100 },
101 [1] = {
102 .start = IRQ_GPIO(mfp_to_gpio(MFP_PIN_GPIO90)),
103 .end = IRQ_GPIO(mfp_to_gpio(MFP_PIN_GPIO90)),
8a6e8873 104 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
e1d9b953 105 }
106};
107
108static struct platform_device smc91x_device = {
109 .name = "smc91x",
110 .id = 0,
111 .num_resources = ARRAY_SIZE(smc91x_resources),
112 .resource = smc91x_resources,
113};
114
36caeb4e 115#if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
e1d9b953 116/* use bit 30, 31 as the indicator of command parameter number */
117#define CMD0(x) ((0x00000000) | ((x) << 9))
118#define CMD1(x, x1) ((0x40000000) | ((x) << 9) | 0x100 | (x1))
119#define CMD2(x, x1, x2) ((0x80000000) | ((x) << 18) | 0x20000 |\
120 ((x1) << 9) | 0x100 | (x2))
121
122static uint32_t lcd_panel_reset[] = {
123 CMD0(0x1), /* reset */
124 CMD0(0x0), /* nop */
125 CMD0(0x0), /* nop */
126 CMD0(0x0), /* nop */
127};
128
129static uint32_t lcd_panel_on[] = {
130 CMD0(0x29), /* Display ON */
131 CMD2(0xB8, 0xFF, 0xF9), /* Output Control */
132 CMD0(0x11), /* Sleep out */
133 CMD1(0xB0, 0x16), /* Wake */
134};
135
136static uint32_t lcd_panel_off[] = {
137 CMD0(0x28), /* Display OFF */
138 CMD2(0xB8, 0x80, 0x02), /* Output Control */
139 CMD0(0x10), /* Sleep in */
140 CMD1(0xB0, 0x00), /* Deep stand by in */
141};
142
143static uint32_t lcd_vga_pass_through[] = {
144 CMD1(0xB0, 0x16),
145 CMD1(0xBC, 0x80),
146 CMD1(0xE1, 0x00),
147 CMD1(0x36, 0x50),
148 CMD1(0x3B, 0x00),
149};
150
151static uint32_t lcd_qvga_pass_through[] = {
152 CMD1(0xB0, 0x16),
153 CMD1(0xBC, 0x81),
154 CMD1(0xE1, 0x00),
155 CMD1(0x36, 0x50),
156 CMD1(0x3B, 0x22),
157};
158
159static uint32_t lcd_vga_transfer[] = {
160 CMD1(0xcf, 0x02), /* Blanking period control (1) */
161 CMD2(0xd0, 0x08, 0x04), /* Blanking period control (2) */
162 CMD1(0xd1, 0x01), /* CKV timing control on/off */
163 CMD2(0xd2, 0x14, 0x00), /* CKV 1,2 timing control */
164 CMD2(0xd3, 0x1a, 0x0f), /* OEV timing control */
165 CMD2(0xd4, 0x1f, 0xaf), /* ASW timing control (1) */
166 CMD1(0xd5, 0x14), /* ASW timing control (2) */
167 CMD0(0x21), /* Invert for normally black display */
168 CMD0(0x29), /* Display on */
169};
170
171static uint32_t lcd_qvga_transfer[] = {
172 CMD1(0xd6, 0x02), /* Blanking period control (1) */
173 CMD2(0xd7, 0x08, 0x04), /* Blanking period control (2) */
174 CMD1(0xd8, 0x01), /* CKV timing control on/off */
175 CMD2(0xd9, 0x00, 0x08), /* CKV 1,2 timing control */
176 CMD2(0xde, 0x05, 0x0a), /* OEV timing control */
177 CMD2(0xdf, 0x0a, 0x19), /* ASW timing control (1) */
178 CMD1(0xe0, 0x0a), /* ASW timing control (2) */
179 CMD0(0x21), /* Invert for normally black display */
180 CMD0(0x29), /* Display on */
181};
182
183static uint32_t lcd_panel_config[] = {
184 CMD2(0xb8, 0xff, 0xf9), /* Output control */
185 CMD0(0x11), /* sleep out */
186 CMD1(0xba, 0x01), /* Display mode (1) */
187 CMD1(0xbb, 0x00), /* Display mode (2) */
188 CMD1(0x3a, 0x60), /* Display mode 18-bit RGB */
189 CMD1(0xbf, 0x10), /* Drive system change control */
190 CMD1(0xb1, 0x56), /* Booster operation setup */
191 CMD1(0xb2, 0x33), /* Booster mode setup */
192 CMD1(0xb3, 0x11), /* Booster frequency setup */
193 CMD1(0xb4, 0x02), /* Op amp/system clock */
194 CMD1(0xb5, 0x35), /* VCS voltage */
195 CMD1(0xb6, 0x40), /* VCOM voltage */
196 CMD1(0xb7, 0x03), /* External display signal */
197 CMD1(0xbd, 0x00), /* ASW slew rate */
198 CMD1(0xbe, 0x00), /* Dummy data for QuadData operation */
199 CMD1(0xc0, 0x11), /* Sleep out FR count (A) */
200 CMD1(0xc1, 0x11), /* Sleep out FR count (B) */
201 CMD1(0xc2, 0x11), /* Sleep out FR count (C) */
202 CMD2(0xc3, 0x20, 0x40), /* Sleep out FR count (D) */
203 CMD2(0xc4, 0x60, 0xc0), /* Sleep out FR count (E) */
204 CMD2(0xc5, 0x10, 0x20), /* Sleep out FR count (F) */
205 CMD1(0xc6, 0xc0), /* Sleep out FR count (G) */
206 CMD2(0xc7, 0x33, 0x43), /* Gamma 1 fine tuning (1) */
207 CMD1(0xc8, 0x44), /* Gamma 1 fine tuning (2) */
208 CMD1(0xc9, 0x33), /* Gamma 1 inclination adjustment */
209 CMD1(0xca, 0x00), /* Gamma 1 blue offset adjustment */
210 CMD2(0xec, 0x01, 0xf0), /* Horizontal clock cycles */
211};
212
213static void ssp_reconfig(struct ssp_dev *dev, int nparam)
214{
215 static int last_nparam = -1;
216
217 /* check if it is necessary to re-config SSP */
218 if (nparam == last_nparam)
219 return;
220
221 ssp_disable(dev);
222 ssp_config(dev, (nparam == 2) ? 0x0010058a : 0x00100581, 0x18, 0, 0);
223
224 last_nparam = nparam;
225}
226
227static void ssp_send_cmd(uint32_t *cmd, int num)
228{
229 static int ssp_initialized;
230 static struct ssp_dev ssp2;
231
232 int i;
233
234 if (!ssp_initialized) {
235 ssp_init(&ssp2, 2, SSP_NO_IRQ);
236 ssp_initialized = 1;
237 }
238
239 clk_enable(ssp2.ssp->clk);
240 for (i = 0; i < num; i++, cmd++) {
241 ssp_reconfig(&ssp2, (*cmd >> 30) & 0x3);
242 ssp_write_word(&ssp2, *cmd & 0x3fffffff);
243
244 /* FIXME: ssp_flush() is mandatory here to work */
245 ssp_flush(&ssp2);
246 }
247 clk_disable(ssp2.ssp->clk);
248}
249
250static void littleton_lcd_power(int on, struct fb_var_screeninfo *var)
251{
252 if (on) {
253 ssp_send_cmd(ARRAY_AND_SIZE(lcd_panel_on));
254 ssp_send_cmd(ARRAY_AND_SIZE(lcd_panel_reset));
255 if (var->xres > 240) {
256 /* VGA */
257 ssp_send_cmd(ARRAY_AND_SIZE(lcd_vga_pass_through));
258 ssp_send_cmd(ARRAY_AND_SIZE(lcd_panel_config));
259 ssp_send_cmd(ARRAY_AND_SIZE(lcd_vga_transfer));
260 } else {
261 /* QVGA */
262 ssp_send_cmd(ARRAY_AND_SIZE(lcd_qvga_pass_through));
263 ssp_send_cmd(ARRAY_AND_SIZE(lcd_panel_config));
264 ssp_send_cmd(ARRAY_AND_SIZE(lcd_qvga_transfer));
265 }
266 } else
267 ssp_send_cmd(ARRAY_AND_SIZE(lcd_panel_off));
268}
269
270static struct pxafb_mode_info tpo_tdo24mtea1_modes[] = {
271 [0] = {
272 /* VGA */
273 .pixclock = 38250,
274 .xres = 480,
275 .yres = 640,
276 .bpp = 16,
277 .hsync_len = 8,
278 .left_margin = 8,
279 .right_margin = 24,
280 .vsync_len = 2,
281 .upper_margin = 2,
282 .lower_margin = 4,
283 .sync = 0,
284 },
285 [1] = {
286 /* QVGA */
287 .pixclock = 153000,
288 .xres = 240,
289 .yres = 320,
290 .bpp = 16,
291 .hsync_len = 8,
292 .left_margin = 8,
293 .right_margin = 88,
294 .vsync_len = 2,
295 .upper_margin = 2,
296 .lower_margin = 2,
297 .sync = 0,
298 },
299};
300
301static struct pxafb_mach_info littleton_lcd_info = {
302 .modes = tpo_tdo24mtea1_modes,
303 .num_modes = 2,
0454bd09 304 .lcd_conn = LCD_COLOR_TFT_16BPP,
e1d9b953 305 .pxafb_lcd_power = littleton_lcd_power,
306};
307
308static void littleton_init_lcd(void)
309{
310 set_pxa_fb_info(&littleton_lcd_info);
311}
312#else
313static inline void littleton_init_lcd(void) {};
36caeb4e 314#endif /* CONFIG_FB_PXA || CONFIG_FB_PXA_MODULE */
e1d9b953 315
36caeb4e 316#if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULE)
5fa41510 317static unsigned int littleton_matrix_key_map[] = {
318 /* KEY(row, col, key_code) */
319 KEY(1, 3, KEY_0), KEY(0, 0, KEY_1), KEY(1, 0, KEY_2), KEY(2, 0, KEY_3),
320 KEY(0, 1, KEY_4), KEY(1, 1, KEY_5), KEY(2, 1, KEY_6), KEY(0, 2, KEY_7),
321 KEY(1, 2, KEY_8), KEY(2, 2, KEY_9),
322
323 KEY(0, 3, KEY_KPASTERISK), /* * */
324 KEY(2, 3, KEY_KPDOT), /* # */
325
326 KEY(5, 4, KEY_ENTER),
327
328 KEY(5, 0, KEY_UP),
329 KEY(5, 1, KEY_DOWN),
330 KEY(5, 2, KEY_LEFT),
331 KEY(5, 3, KEY_RIGHT),
332 KEY(3, 2, KEY_HOME),
333 KEY(4, 1, KEY_END),
334 KEY(3, 3, KEY_BACK),
335
336 KEY(4, 0, KEY_SEND),
337 KEY(4, 2, KEY_VOLUMEUP),
338 KEY(4, 3, KEY_VOLUMEDOWN),
339
340 KEY(3, 0, KEY_F22), /* soft1 */
341 KEY(3, 1, KEY_F23), /* soft2 */
342};
343
344static struct pxa27x_keypad_platform_data littleton_keypad_info = {
345 .matrix_key_rows = 6,
346 .matrix_key_cols = 5,
347 .matrix_key_map = littleton_matrix_key_map,
348 .matrix_key_map_size = ARRAY_SIZE(littleton_matrix_key_map),
349
350 .enable_rotary0 = 1,
351 .rotary0_up_key = KEY_UP,
352 .rotary0_down_key = KEY_DOWN,
353
354 .debounce_interval = 30,
355};
356static void __init littleton_init_keypad(void)
357{
358 pxa_set_keypad_info(&littleton_keypad_info);
359}
360#else
361static inline void littleton_init_keypad(void) {}
362#endif
363
e1d9b953 364static void __init littleton_init(void)
365{
366 /* initialize MFP configurations */
367 pxa3xx_mfp_config(ARRAY_AND_SIZE(littleton_mfp_cfg));
368
369 /*
370 * Note: we depend bootloader set the correct
371 * value to MSC register for SMC91x.
372 */
373 platform_device_register(&smc91x_device);
374
375 littleton_init_lcd();
5fa41510 376 littleton_init_keypad();
e1d9b953 377}
378
379MACHINE_START(LITTLETON, "Marvell Form Factor Development Platform (aka Littleton)")
380 .phys_io = 0x40000000,
381 .boot_params = 0xa0000100,
382 .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
383 .map_io = pxa_map_io,
384 .init_irq = pxa3xx_init_irq,
385 .timer = &pxa_timer,
386 .init_machine = littleton_init,
387MACHINE_END
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