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eric miaoe1d9b952007-12-13 10:41:43 +08001/*
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>
Eric Miao24ff4cd2008-09-01 06:56:07 +080023#include <linux/spi/spi.h>
Eric Miaoe1719da2008-06-24 16:49:41 +080024#include <linux/smc91x.h>
eric miaoe1d9b952007-12-13 10:41:43 +080025
26#include <asm/types.h>
27#include <asm/setup.h>
28#include <asm/memory.h>
29#include <asm/mach-types.h>
Russell Kinga09e64f2008-08-05 16:14:15 +010030#include <mach/hardware.h>
eric miaoe1d9b952007-12-13 10:41:43 +080031#include <asm/irq.h>
32
33#include <asm/mach/arch.h>
34#include <asm/mach/map.h>
35#include <asm/mach/irq.h>
36
Russell Kinga09e64f2008-08-05 16:14:15 +010037#include <mach/pxa-regs.h>
38#include <mach/mfp-pxa300.h>
39#include <mach/gpio.h>
40#include <mach/pxafb.h>
41#include <mach/ssp.h>
Eric Miao24ff4cd2008-09-01 06:56:07 +080042#include <mach/pxa2xx_spi.h>
Russell Kinga09e64f2008-08-05 16:14:15 +010043#include <mach/pxa27x_keypad.h>
44#include <mach/pxa3xx_nand.h>
45#include <mach/littleton.h>
eric miaoe1d9b952007-12-13 10:41:43 +080046
47#include "generic.h"
48
eric miaoe1d9b952007-12-13 10:41:43 +080049/* Littleton MFP configurations */
50static mfp_cfg_t littleton_mfp_cfg[] __initdata = {
51 /* LCD */
52 GPIO54_LCD_LDD_0,
53 GPIO55_LCD_LDD_1,
54 GPIO56_LCD_LDD_2,
55 GPIO57_LCD_LDD_3,
56 GPIO58_LCD_LDD_4,
57 GPIO59_LCD_LDD_5,
58 GPIO60_LCD_LDD_6,
59 GPIO61_LCD_LDD_7,
60 GPIO62_LCD_LDD_8,
61 GPIO63_LCD_LDD_9,
62 GPIO64_LCD_LDD_10,
63 GPIO65_LCD_LDD_11,
64 GPIO66_LCD_LDD_12,
65 GPIO67_LCD_LDD_13,
66 GPIO68_LCD_LDD_14,
67 GPIO69_LCD_LDD_15,
68 GPIO70_LCD_LDD_16,
69 GPIO71_LCD_LDD_17,
70 GPIO72_LCD_FCLK,
71 GPIO73_LCD_LCLK,
72 GPIO74_LCD_PCLK,
73 GPIO75_LCD_BIAS,
74
75 /* SSP2 */
76 GPIO25_SSP2_SCLK,
eric miaoe1d9b952007-12-13 10:41:43 +080077 GPIO27_SSP2_TXD,
Eric Miao24ff4cd2008-09-01 06:56:07 +080078 GPIO17_GPIO, /* SFRM as chip-select */
eric miaoe1d9b952007-12-13 10:41:43 +080079
80 /* Debug Ethernet */
81 GPIO90_GPIO,
eric miao5fa41512008-01-23 15:07:22 +080082
83 /* Keypad */
84 GPIO107_KP_DKIN_0,
85 GPIO108_KP_DKIN_1,
86 GPIO115_KP_MKIN_0,
87 GPIO116_KP_MKIN_1,
88 GPIO117_KP_MKIN_2,
89 GPIO118_KP_MKIN_3,
90 GPIO119_KP_MKIN_4,
91 GPIO120_KP_MKIN_5,
92 GPIO121_KP_MKOUT_0,
93 GPIO122_KP_MKOUT_1,
94 GPIO123_KP_MKOUT_2,
95 GPIO124_KP_MKOUT_3,
96 GPIO125_KP_MKOUT_4,
eric miaoe1d9b952007-12-13 10:41:43 +080097};
98
99static struct resource smc91x_resources[] = {
100 [0] = {
101 .start = (LITTLETON_ETH_PHYS + 0x300),
102 .end = (LITTLETON_ETH_PHYS + 0xfffff),
103 .flags = IORESOURCE_MEM,
104 },
105 [1] = {
106 .start = IRQ_GPIO(mfp_to_gpio(MFP_PIN_GPIO90)),
107 .end = IRQ_GPIO(mfp_to_gpio(MFP_PIN_GPIO90)),
Eric Miao8a6e8872008-06-02 13:30:24 +0800108 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
eric miaoe1d9b952007-12-13 10:41:43 +0800109 }
110};
111
Eric Miaoe1719da2008-06-24 16:49:41 +0800112static struct smc91x_platdata littleton_smc91x_info = {
113 .flags = SMC91X_USE_8BIT | SMC91X_USE_16BIT |
114 SMC91X_NOWAIT | SMC91X_USE_DMA,
115};
116
eric miaoe1d9b952007-12-13 10:41:43 +0800117static struct platform_device smc91x_device = {
118 .name = "smc91x",
119 .id = 0,
120 .num_resources = ARRAY_SIZE(smc91x_resources),
121 .resource = smc91x_resources,
Eric Miaoe1719da2008-06-24 16:49:41 +0800122 .dev = {
123 .platform_data = &littleton_smc91x_info,
124 },
eric miaoe1d9b952007-12-13 10:41:43 +0800125};
126
Eric Miao36caeb42008-06-02 13:32:42 +0800127#if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
eric miaoe1d9b952007-12-13 10:41:43 +0800128static struct pxafb_mode_info tpo_tdo24mtea1_modes[] = {
129 [0] = {
130 /* VGA */
131 .pixclock = 38250,
132 .xres = 480,
133 .yres = 640,
134 .bpp = 16,
135 .hsync_len = 8,
136 .left_margin = 8,
137 .right_margin = 24,
138 .vsync_len = 2,
139 .upper_margin = 2,
140 .lower_margin = 4,
141 .sync = 0,
142 },
143 [1] = {
144 /* QVGA */
145 .pixclock = 153000,
146 .xres = 240,
147 .yres = 320,
148 .bpp = 16,
149 .hsync_len = 8,
150 .left_margin = 8,
151 .right_margin = 88,
152 .vsync_len = 2,
153 .upper_margin = 2,
154 .lower_margin = 2,
155 .sync = 0,
156 },
157};
158
159static struct pxafb_mach_info littleton_lcd_info = {
160 .modes = tpo_tdo24mtea1_modes,
161 .num_modes = 2,
eric miao0454bd02008-04-30 00:52:23 -0700162 .lcd_conn = LCD_COLOR_TFT_16BPP,
eric miaoe1d9b952007-12-13 10:41:43 +0800163};
164
165static void littleton_init_lcd(void)
166{
167 set_pxa_fb_info(&littleton_lcd_info);
168}
169#else
170static inline void littleton_init_lcd(void) {};
Eric Miao36caeb42008-06-02 13:32:42 +0800171#endif /* CONFIG_FB_PXA || CONFIG_FB_PXA_MODULE */
eric miaoe1d9b952007-12-13 10:41:43 +0800172
Eric Miao24ff4cd2008-09-01 06:56:07 +0800173#if defined(CONFIG_SPI_PXA2XX) || defined(CONFIG_SPI_PXA2XX_MODULE)
174static struct pxa2xx_spi_master littleton_spi_info = {
175 .num_chipselect = 1,
176};
177
178static void littleton_tdo24m_cs(u32 cmd)
179{
180 gpio_set_value(LITTLETON_GPIO_LCD_CS, !(cmd == PXA2XX_CS_ASSERT));
181}
182
183static struct pxa2xx_spi_chip littleton_tdo24m_chip = {
184 .rx_threshold = 1,
185 .tx_threshold = 1,
186 .cs_control = littleton_tdo24m_cs,
187};
188
189static struct spi_board_info littleton_spi_devices[] __initdata = {
190 {
191 .modalias = "tdo24m",
192 .max_speed_hz = 1000000,
193 .bus_num = 2,
194 .chip_select = 0,
195 .controller_data= &littleton_tdo24m_chip,
196 },
197};
198
199static void __init littleton_init_spi(void)
200{
201 int err;
202
203 err = gpio_request(LITTLETON_GPIO_LCD_CS, "LCD_CS");
204 if (err) {
205 pr_warning("failed to request GPIO for LCS CS\n");
206 return;
207 }
208
209 gpio_direction_output(LITTLETON_GPIO_LCD_CS, 1);
210
211 pxa2xx_set_spi_info(2, &littleton_spi_info);
212 spi_register_board_info(ARRAY_AND_SIZE(littleton_spi_devices));
213}
214#else
215static inline void littleton_init_spi(void) {}
216#endif
217
Eric Miao36caeb42008-06-02 13:32:42 +0800218#if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULE)
eric miao5fa41512008-01-23 15:07:22 +0800219static unsigned int littleton_matrix_key_map[] = {
220 /* KEY(row, col, key_code) */
221 KEY(1, 3, KEY_0), KEY(0, 0, KEY_1), KEY(1, 0, KEY_2), KEY(2, 0, KEY_3),
222 KEY(0, 1, KEY_4), KEY(1, 1, KEY_5), KEY(2, 1, KEY_6), KEY(0, 2, KEY_7),
223 KEY(1, 2, KEY_8), KEY(2, 2, KEY_9),
224
225 KEY(0, 3, KEY_KPASTERISK), /* * */
226 KEY(2, 3, KEY_KPDOT), /* # */
227
228 KEY(5, 4, KEY_ENTER),
229
230 KEY(5, 0, KEY_UP),
231 KEY(5, 1, KEY_DOWN),
232 KEY(5, 2, KEY_LEFT),
233 KEY(5, 3, KEY_RIGHT),
234 KEY(3, 2, KEY_HOME),
235 KEY(4, 1, KEY_END),
236 KEY(3, 3, KEY_BACK),
237
238 KEY(4, 0, KEY_SEND),
239 KEY(4, 2, KEY_VOLUMEUP),
240 KEY(4, 3, KEY_VOLUMEDOWN),
241
242 KEY(3, 0, KEY_F22), /* soft1 */
243 KEY(3, 1, KEY_F23), /* soft2 */
244};
245
246static struct pxa27x_keypad_platform_data littleton_keypad_info = {
247 .matrix_key_rows = 6,
248 .matrix_key_cols = 5,
249 .matrix_key_map = littleton_matrix_key_map,
250 .matrix_key_map_size = ARRAY_SIZE(littleton_matrix_key_map),
251
252 .enable_rotary0 = 1,
253 .rotary0_up_key = KEY_UP,
254 .rotary0_down_key = KEY_DOWN,
255
256 .debounce_interval = 30,
257};
258static void __init littleton_init_keypad(void)
259{
260 pxa_set_keypad_info(&littleton_keypad_info);
261}
262#else
263static inline void littleton_init_keypad(void) {}
264#endif
265
Eric Miao9c1db1a2008-06-02 15:42:14 +0800266#if defined(CONFIG_MTD_NAND_PXA3xx) || defined(CONFIG_MTD_NAND_PXA3xx_MODULE)
267static struct mtd_partition littleton_nand_partitions[] = {
268 [0] = {
269 .name = "Bootloader",
270 .offset = 0,
271 .size = 0x060000,
272 .mask_flags = MTD_WRITEABLE, /* force read-only */
273 },
274 [1] = {
275 .name = "Kernel",
276 .offset = 0x060000,
277 .size = 0x200000,
278 .mask_flags = MTD_WRITEABLE, /* force read-only */
279 },
280 [2] = {
281 .name = "Filesystem",
282 .offset = 0x0260000,
283 .size = 0x3000000, /* 48M - rootfs */
284 },
285 [3] = {
286 .name = "MassStorage",
287 .offset = 0x3260000,
288 .size = 0x3d40000,
289 },
290 [4] = {
291 .name = "BBT",
292 .offset = 0x6FA0000,
293 .size = 0x80000,
294 .mask_flags = MTD_WRITEABLE, /* force read-only */
295 },
296 /* NOTE: we reserve some blocks at the end of the NAND flash for
297 * bad block management, and the max number of relocation blocks
298 * differs on different platforms. Please take care with it when
299 * defining the partition table.
300 */
301};
302
303static struct pxa3xx_nand_platform_data littleton_nand_info = {
304 .enable_arbiter = 1,
305 .parts = littleton_nand_partitions,
306 .nr_parts = ARRAY_SIZE(littleton_nand_partitions),
307};
308
309static void __init littleton_init_nand(void)
310{
311 pxa3xx_set_nand_info(&littleton_nand_info);
312}
313#else
314static inline void littleton_init_nand(void) {}
315#endif /* CONFIG_MTD_NAND_PXA3xx || CONFIG_MTD_NAND_PXA3xx_MODULE */
316
eric miaoe1d9b952007-12-13 10:41:43 +0800317static void __init littleton_init(void)
318{
319 /* initialize MFP configurations */
320 pxa3xx_mfp_config(ARRAY_AND_SIZE(littleton_mfp_cfg));
321
322 /*
323 * Note: we depend bootloader set the correct
324 * value to MSC register for SMC91x.
325 */
326 platform_device_register(&smc91x_device);
327
Eric Miao24ff4cd2008-09-01 06:56:07 +0800328 littleton_init_spi();
eric miaoe1d9b952007-12-13 10:41:43 +0800329 littleton_init_lcd();
eric miao5fa41512008-01-23 15:07:22 +0800330 littleton_init_keypad();
Eric Miao9c1db1a2008-06-02 15:42:14 +0800331 littleton_init_nand();
eric miaoe1d9b952007-12-13 10:41:43 +0800332}
333
334MACHINE_START(LITTLETON, "Marvell Form Factor Development Platform (aka Littleton)")
335 .phys_io = 0x40000000,
336 .boot_params = 0xa0000100,
337 .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
338 .map_io = pxa_map_io,
339 .init_irq = pxa3xx_init_irq,
340 .timer = &pxa_timer,
341 .init_machine = littleton_init,
342MACHINE_END