2 * linux/arch/arm/mach-pxa/littleton.c
4 * Support for the Marvell Littleton Development Platform.
6 * Author: Jason Chagas (largely modified code)
7 * Created: Nov 20, 2006
8 * Copyright: (C) Copyright 2006 Marvell International Ltd.
10 * 2007-11-22 modified to align with latest kernel
11 * eric miao <eric.miao@marvell.com>
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.
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>
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>
31 #include <asm/mach/arch.h>
32 #include <asm/mach/map.h>
33 #include <asm/mach/irq.h>
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>
40 #include <asm/arch/pxa27x_keypad.h>
41 #include <asm/arch/pxa3xx_nand.h>
42 #include <asm/arch/littleton.h>
46 /* Littleton MFP configurations */
47 static mfp_cfg_t littleton_mfp_cfg
[] __initdata
= {
96 static struct resource smc91x_resources
[] = {
98 .start
= (LITTLETON_ETH_PHYS
+ 0x300),
99 .end
= (LITTLETON_ETH_PHYS
+ 0xfffff),
100 .flags
= IORESOURCE_MEM
,
103 .start
= IRQ_GPIO(mfp_to_gpio(MFP_PIN_GPIO90
)),
104 .end
= IRQ_GPIO(mfp_to_gpio(MFP_PIN_GPIO90
)),
105 .flags
= IORESOURCE_IRQ
| IORESOURCE_IRQ_LOWEDGE
,
109 static struct platform_device smc91x_device
= {
112 .num_resources
= ARRAY_SIZE(smc91x_resources
),
113 .resource
= smc91x_resources
,
116 #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
117 /* use bit 30, 31 as the indicator of command parameter number */
118 #define CMD0(x) ((0x00000000) | ((x) << 9))
119 #define CMD1(x, x1) ((0x40000000) | ((x) << 9) | 0x100 | (x1))
120 #define CMD2(x, x1, x2) ((0x80000000) | ((x) << 18) | 0x20000 |\
121 ((x1) << 9) | 0x100 | (x2))
123 static uint32_t lcd_panel_reset
[] = {
124 CMD0(0x1), /* reset */
130 static uint32_t lcd_panel_on
[] = {
131 CMD0(0x29), /* Display ON */
132 CMD2(0xB8, 0xFF, 0xF9), /* Output Control */
133 CMD0(0x11), /* Sleep out */
134 CMD1(0xB0, 0x16), /* Wake */
137 static uint32_t lcd_panel_off
[] = {
138 CMD0(0x28), /* Display OFF */
139 CMD2(0xB8, 0x80, 0x02), /* Output Control */
140 CMD0(0x10), /* Sleep in */
141 CMD1(0xB0, 0x00), /* Deep stand by in */
144 static uint32_t lcd_vga_pass_through
[] = {
152 static uint32_t lcd_qvga_pass_through
[] = {
160 static uint32_t lcd_vga_transfer
[] = {
161 CMD1(0xcf, 0x02), /* Blanking period control (1) */
162 CMD2(0xd0, 0x08, 0x04), /* Blanking period control (2) */
163 CMD1(0xd1, 0x01), /* CKV timing control on/off */
164 CMD2(0xd2, 0x14, 0x00), /* CKV 1,2 timing control */
165 CMD2(0xd3, 0x1a, 0x0f), /* OEV timing control */
166 CMD2(0xd4, 0x1f, 0xaf), /* ASW timing control (1) */
167 CMD1(0xd5, 0x14), /* ASW timing control (2) */
168 CMD0(0x21), /* Invert for normally black display */
169 CMD0(0x29), /* Display on */
172 static uint32_t lcd_qvga_transfer
[] = {
173 CMD1(0xd6, 0x02), /* Blanking period control (1) */
174 CMD2(0xd7, 0x08, 0x04), /* Blanking period control (2) */
175 CMD1(0xd8, 0x01), /* CKV timing control on/off */
176 CMD2(0xd9, 0x00, 0x08), /* CKV 1,2 timing control */
177 CMD2(0xde, 0x05, 0x0a), /* OEV timing control */
178 CMD2(0xdf, 0x0a, 0x19), /* ASW timing control (1) */
179 CMD1(0xe0, 0x0a), /* ASW timing control (2) */
180 CMD0(0x21), /* Invert for normally black display */
181 CMD0(0x29), /* Display on */
184 static uint32_t lcd_panel_config
[] = {
185 CMD2(0xb8, 0xff, 0xf9), /* Output control */
186 CMD0(0x11), /* sleep out */
187 CMD1(0xba, 0x01), /* Display mode (1) */
188 CMD1(0xbb, 0x00), /* Display mode (2) */
189 CMD1(0x3a, 0x60), /* Display mode 18-bit RGB */
190 CMD1(0xbf, 0x10), /* Drive system change control */
191 CMD1(0xb1, 0x56), /* Booster operation setup */
192 CMD1(0xb2, 0x33), /* Booster mode setup */
193 CMD1(0xb3, 0x11), /* Booster frequency setup */
194 CMD1(0xb4, 0x02), /* Op amp/system clock */
195 CMD1(0xb5, 0x35), /* VCS voltage */
196 CMD1(0xb6, 0x40), /* VCOM voltage */
197 CMD1(0xb7, 0x03), /* External display signal */
198 CMD1(0xbd, 0x00), /* ASW slew rate */
199 CMD1(0xbe, 0x00), /* Dummy data for QuadData operation */
200 CMD1(0xc0, 0x11), /* Sleep out FR count (A) */
201 CMD1(0xc1, 0x11), /* Sleep out FR count (B) */
202 CMD1(0xc2, 0x11), /* Sleep out FR count (C) */
203 CMD2(0xc3, 0x20, 0x40), /* Sleep out FR count (D) */
204 CMD2(0xc4, 0x60, 0xc0), /* Sleep out FR count (E) */
205 CMD2(0xc5, 0x10, 0x20), /* Sleep out FR count (F) */
206 CMD1(0xc6, 0xc0), /* Sleep out FR count (G) */
207 CMD2(0xc7, 0x33, 0x43), /* Gamma 1 fine tuning (1) */
208 CMD1(0xc8, 0x44), /* Gamma 1 fine tuning (2) */
209 CMD1(0xc9, 0x33), /* Gamma 1 inclination adjustment */
210 CMD1(0xca, 0x00), /* Gamma 1 blue offset adjustment */
211 CMD2(0xec, 0x01, 0xf0), /* Horizontal clock cycles */
214 static void ssp_reconfig(struct ssp_dev
*dev
, int nparam
)
216 static int last_nparam
= -1;
218 /* check if it is necessary to re-config SSP */
219 if (nparam
== last_nparam
)
223 ssp_config(dev
, (nparam
== 2) ? 0x0010058a : 0x00100581, 0x18, 0, 0);
225 last_nparam
= nparam
;
228 static void ssp_send_cmd(uint32_t *cmd
, int num
)
230 static int ssp_initialized
;
231 static struct ssp_dev ssp2
;
235 if (!ssp_initialized
) {
236 ssp_init(&ssp2
, 2, SSP_NO_IRQ
);
240 clk_enable(ssp2
.ssp
->clk
);
241 for (i
= 0; i
< num
; i
++, cmd
++) {
242 ssp_reconfig(&ssp2
, (*cmd
>> 30) & 0x3);
243 ssp_write_word(&ssp2
, *cmd
& 0x3fffffff);
245 /* FIXME: ssp_flush() is mandatory here to work */
248 clk_disable(ssp2
.ssp
->clk
);
251 static void littleton_lcd_power(int on
, struct fb_var_screeninfo
*var
)
254 ssp_send_cmd(ARRAY_AND_SIZE(lcd_panel_on
));
255 ssp_send_cmd(ARRAY_AND_SIZE(lcd_panel_reset
));
256 if (var
->xres
> 240) {
258 ssp_send_cmd(ARRAY_AND_SIZE(lcd_vga_pass_through
));
259 ssp_send_cmd(ARRAY_AND_SIZE(lcd_panel_config
));
260 ssp_send_cmd(ARRAY_AND_SIZE(lcd_vga_transfer
));
263 ssp_send_cmd(ARRAY_AND_SIZE(lcd_qvga_pass_through
));
264 ssp_send_cmd(ARRAY_AND_SIZE(lcd_panel_config
));
265 ssp_send_cmd(ARRAY_AND_SIZE(lcd_qvga_transfer
));
268 ssp_send_cmd(ARRAY_AND_SIZE(lcd_panel_off
));
271 static struct pxafb_mode_info tpo_tdo24mtea1_modes
[] = {
302 static struct pxafb_mach_info littleton_lcd_info
= {
303 .modes
= tpo_tdo24mtea1_modes
,
305 .lcd_conn
= LCD_COLOR_TFT_16BPP
,
306 .pxafb_lcd_power
= littleton_lcd_power
,
309 static void littleton_init_lcd(void)
311 set_pxa_fb_info(&littleton_lcd_info
);
314 static inline void littleton_init_lcd(void) {};
315 #endif /* CONFIG_FB_PXA || CONFIG_FB_PXA_MODULE */
317 #if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULE)
318 static unsigned int littleton_matrix_key_map
[] = {
319 /* KEY(row, col, key_code) */
320 KEY(1, 3, KEY_0
), KEY(0, 0, KEY_1
), KEY(1, 0, KEY_2
), KEY(2, 0, KEY_3
),
321 KEY(0, 1, KEY_4
), KEY(1, 1, KEY_5
), KEY(2, 1, KEY_6
), KEY(0, 2, KEY_7
),
322 KEY(1, 2, KEY_8
), KEY(2, 2, KEY_9
),
324 KEY(0, 3, KEY_KPASTERISK
), /* * */
325 KEY(2, 3, KEY_KPDOT
), /* # */
327 KEY(5, 4, KEY_ENTER
),
332 KEY(5, 3, KEY_RIGHT
),
338 KEY(4, 2, KEY_VOLUMEUP
),
339 KEY(4, 3, KEY_VOLUMEDOWN
),
341 KEY(3, 0, KEY_F22
), /* soft1 */
342 KEY(3, 1, KEY_F23
), /* soft2 */
345 static struct pxa27x_keypad_platform_data littleton_keypad_info
= {
346 .matrix_key_rows
= 6,
347 .matrix_key_cols
= 5,
348 .matrix_key_map
= littleton_matrix_key_map
,
349 .matrix_key_map_size
= ARRAY_SIZE(littleton_matrix_key_map
),
352 .rotary0_up_key
= KEY_UP
,
353 .rotary0_down_key
= KEY_DOWN
,
355 .debounce_interval
= 30,
357 static void __init
littleton_init_keypad(void)
359 pxa_set_keypad_info(&littleton_keypad_info
);
362 static inline void littleton_init_keypad(void) {}
365 #if defined(CONFIG_MTD_NAND_PXA3xx) || defined(CONFIG_MTD_NAND_PXA3xx_MODULE)
366 static struct mtd_partition littleton_nand_partitions
[] = {
368 .name
= "Bootloader",
371 .mask_flags
= MTD_WRITEABLE
, /* force read-only */
377 .mask_flags
= MTD_WRITEABLE
, /* force read-only */
380 .name
= "Filesystem",
382 .size
= 0x3000000, /* 48M - rootfs */
385 .name
= "MassStorage",
393 .mask_flags
= MTD_WRITEABLE
, /* force read-only */
395 /* NOTE: we reserve some blocks at the end of the NAND flash for
396 * bad block management, and the max number of relocation blocks
397 * differs on different platforms. Please take care with it when
398 * defining the partition table.
402 static struct pxa3xx_nand_platform_data littleton_nand_info
= {
404 .parts
= littleton_nand_partitions
,
405 .nr_parts
= ARRAY_SIZE(littleton_nand_partitions
),
408 static void __init
littleton_init_nand(void)
410 pxa3xx_set_nand_info(&littleton_nand_info
);
413 static inline void littleton_init_nand(void) {}
414 #endif /* CONFIG_MTD_NAND_PXA3xx || CONFIG_MTD_NAND_PXA3xx_MODULE */
416 static void __init
littleton_init(void)
418 /* initialize MFP configurations */
419 pxa3xx_mfp_config(ARRAY_AND_SIZE(littleton_mfp_cfg
));
422 * Note: we depend bootloader set the correct
423 * value to MSC register for SMC91x.
425 platform_device_register(&smc91x_device
);
427 littleton_init_lcd();
428 littleton_init_keypad();
429 littleton_init_nand();
432 MACHINE_START(LITTLETON
, "Marvell Form Factor Development Platform (aka Littleton)")
433 .phys_io
= 0x40000000,
434 .boot_params
= 0xa0000100,
435 .io_pg_offst
= (io_p2v(0x40000000) >> 18) & 0xfffc,
436 .map_io
= pxa_map_io
,
437 .init_irq
= pxa3xx_init_irq
,
439 .init_machine
= littleton_init
,