2 * linux/arch/arm/mach-pxa/zylonite_pxa300.c
4 * PXA300/PXA310 specific support code for the
5 * PXA3xx Development Platform (aka Zylonite)
7 * Copyright (C) 2007 Marvell Internation Ltd.
8 * 2007-08-21: eric miao <eric.miao@marvell.com>
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License version 2 as
13 * published by the Free Software Foundation.
16 #include <linux/module.h>
17 #include <linux/kernel.h>
18 #include <linux/init.h>
21 #include <asm/arch/mfp-pxa300.h>
22 #include <asm/arch/zylonite.h>
26 /* PXA300/PXA310 common configurations */
27 static mfp_cfg_t common_mfp_cfg[] __initdata = {
56 GPIO112_UART2_RXD | MFP_LPM_EDGE_FALL,
58 GPIO114_UART2_CTS | MFP_LPM_EDGE_BOTH,
62 GPIO110_UART3_RXD | MFP_LPM_EDGE_FALL,
68 GPIO25_AC97_SDATA_IN_0,
69 GPIO27_AC97_SDATA_OUT,
76 GPIO107_KP_DKIN_0 | MFP_LPM_EDGE_BOTH,
77 GPIO108_KP_DKIN_1 | MFP_LPM_EDGE_BOTH,
78 GPIO115_KP_MKIN_0 | MFP_LPM_EDGE_BOTH,
79 GPIO116_KP_MKIN_1 | MFP_LPM_EDGE_BOTH,
80 GPIO117_KP_MKIN_2 | MFP_LPM_EDGE_BOTH,
81 GPIO118_KP_MKIN_3 | MFP_LPM_EDGE_BOTH,
82 GPIO119_KP_MKIN_4 | MFP_LPM_EDGE_BOTH,
83 GPIO120_KP_MKIN_5 | MFP_LPM_EDGE_BOTH,
84 GPIO2_2_KP_MKIN_6 | MFP_LPM_EDGE_BOTH,
85 GPIO3_2_KP_MKIN_7 | MFP_LPM_EDGE_BOTH,
97 GPIO4_MMC1_DAT1 | MFP_LPM_EDGE_BOTH,
101 GPIO8_MMC1_CMD, /* CMD0 for slot 0 */
102 GPIO15_GPIO, /* CMD1 default as GPIO for slot 0 */
106 GPIO10_MMC2_DAT1 | MFP_LPM_EDGE_BOTH,
113 static mfp_cfg_t pxa300_mfp_cfg[] __initdata = {
115 GPIO30_UART1_RXD | MFP_LPM_EDGE_FALL,
120 GPIO34_UART1_DSR | MFP_LPM_EDGE_FALL,
129 static mfp_cfg_t pxa310_mfp_cfg[] __initdata = {
131 GPIO99_UART1_RXD | MFP_LPM_EDGE_FALL,
142 GPIO8_2_MMC3_DAT1 | MFP_LPM_EDGE_BOTH,
149 #define NUM_LCD_DETECT_PINS 7
151 static int lcd_detect_pins[] __initdata = {
152 MFP_PIN_GPIO71, /* LCD_LDD_17 - ORIENT */
153 MFP_PIN_GPIO70, /* LCD_LDD_16 - LCDID[5] */
154 MFP_PIN_GPIO75, /* LCD_BIAS - LCDID[4] */
155 MFP_PIN_GPIO73, /* LCD_LCLK - LCDID[3] */
156 MFP_PIN_GPIO72, /* LCD_FCLK - LCDID[2] */
157 MFP_PIN_GPIO127,/* LCD_CS_N - LCDID[1] */
158 MFP_PIN_GPIO76, /* LCD_VSYNC - LCDID[0] */
161 static void __init zylonite_detect_lcd_panel(void)
163 unsigned long mfpr_save[NUM_LCD_DETECT_PINS];
166 /* save the original MFP settings of these pins and configure
167 * them as GPIO Input, DS01X, Pull Neither, Edge Clear
169 for (i = 0; i < NUM_LCD_DETECT_PINS; i++) {
170 mfpr_save[i] = pxa3xx_mfp_read(lcd_detect_pins[i]);
171 pxa3xx_mfp_write(lcd_detect_pins[i], 0x8440);
174 for (i = 0; i < NUM_LCD_DETECT_PINS; i++) {
176 gpio = mfp_to_gpio(lcd_detect_pins[i]);
177 gpio_direction_input(gpio);
179 if (gpio_get_value(gpio))
183 /* lcd id, flush out bit 1 */
186 /* lcd orientation, portrait or landscape */
187 lcd_orientation = (id >> 6) & 0x1;
189 /* restore the original MFP settings */
190 for (i = 0; i < NUM_LCD_DETECT_PINS; i++)
191 pxa3xx_mfp_write(lcd_detect_pins[i], mfpr_save[i]);
194 void __init zylonite_pxa300_init(void)
196 if (cpu_is_pxa300() || cpu_is_pxa310()) {
198 pxa3xx_mfp_config(ARRAY_AND_SIZE(common_mfp_cfg));
200 /* detect LCD panel */
201 zylonite_detect_lcd_panel();
203 /* GPIO pin assignment */
204 gpio_backlight = mfp_to_gpio(MFP_PIN_GPIO20);
206 /* MMC card detect & write protect for controller 0 */
207 zylonite_mmc_slot[0].gpio_cd = EXT_GPIO(0);
208 zylonite_mmc_slot[0].gpio_wp = EXT_GPIO(2);
211 wm9713_irq = mfp_to_gpio(MFP_PIN_GPIO26);
214 if (cpu_is_pxa300()) {
215 pxa3xx_mfp_config(ARRAY_AND_SIZE(pxa300_mfp_cfg));
216 gpio_eth_irq = mfp_to_gpio(MFP_PIN_GPIO99);
219 if (cpu_is_pxa310()) {
220 pxa3xx_mfp_config(ARRAY_AND_SIZE(pxa310_mfp_cfg));
221 gpio_eth_irq = mfp_to_gpio(MFP_PIN_GPIO102);
223 /* MMC card detect & write protect for controller 2 */
224 zylonite_mmc_slot[2].gpio_cd = EXT_GPIO(30);
225 zylonite_mmc_slot[2].gpio_wp = EXT_GPIO(31);