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  • only in /asuswrt-rt-n18u-9.0.0.4.380.2695/release/src-rt-6.x.4708/linux/linux-2.6/arch/arm/mach-pxa/
1/*
2 *  linux/arch/arm/mach-pxa/colibri-pxa270-evalboard.c
3 *
4 *  Support for Toradex PXA270 based Colibri Evaluation Carrier Board
5 *  Daniel Mack <daniel@caiaq.de>
6 *  Marek Vasut <marek.vasut@gmail.com>
7 *
8 *  This program is free software; you can redistribute it and/or modify
9 *  it under the terms of the GNU General Public License version 2 as
10 *  published by the Free Software Foundation.
11 */
12
13#include <linux/init.h>
14#include <linux/kernel.h>
15#include <linux/platform_device.h>
16#include <linux/sysdev.h>
17#include <linux/interrupt.h>
18#include <linux/gpio.h>
19#include <asm/mach-types.h>
20#include <mach/hardware.h>
21#include <asm/mach/arch.h>
22
23#include <mach/pxa27x.h>
24#include <mach/colibri.h>
25#include <mach/mmc.h>
26#include <mach/ohci.h>
27#include <mach/pxa27x-udc.h>
28
29#include "generic.h"
30#include "devices.h"
31
32/******************************************************************************
33 * Pin configuration
34 ******************************************************************************/
35static mfp_cfg_t colibri_pxa270_evalboard_pin_config[] __initdata = {
36	/* MMC */
37	GPIO32_MMC_CLK,
38	GPIO92_MMC_DAT_0,
39	GPIO109_MMC_DAT_1,
40	GPIO110_MMC_DAT_2,
41	GPIO111_MMC_DAT_3,
42	GPIO112_MMC_CMD,
43	GPIO0_GPIO,	/* SD detect */
44
45	/* FFUART */
46	GPIO39_FFUART_TXD,
47	GPIO34_FFUART_RXD,
48
49	/* UHC */
50	GPIO88_USBH1_PWR,
51	GPIO89_USBH1_PEN,
52	GPIO119_USBH2_PWR,
53	GPIO120_USBH2_PEN,
54};
55
56/******************************************************************************
57 * SD/MMC card controller
58 ******************************************************************************/
59#if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE)
60static struct pxamci_platform_data colibri_pxa270_mci_platform_data = {
61	.ocr_mask		= MMC_VDD_32_33 | MMC_VDD_33_34,
62	.gpio_power		= -1,
63	.gpio_card_detect	= GPIO0_COLIBRI_PXA270_SD_DETECT,
64	.gpio_card_ro		= -1,
65	.detect_delay_ms	= 200,
66};
67
68static void __init colibri_pxa270_mmc_init(void)
69{
70	pxa_set_mci_info(&colibri_pxa270_mci_platform_data);
71}
72#else
73static inline void colibri_pxa270_mmc_init(void) {}
74#endif
75
76/******************************************************************************
77 * USB Host
78 ******************************************************************************/
79#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
80static int colibri_pxa270_ohci_init(struct device *dev)
81{
82	UP2OCR = UP2OCR_HXS | UP2OCR_HXOE | UP2OCR_DPPDE | UP2OCR_DMPDE;
83	return 0;
84}
85
86static struct pxaohci_platform_data colibri_pxa270_ohci_info = {
87	.port_mode	= PMM_PERPORT_MODE,
88	.flags		= ENABLE_PORT1 | ENABLE_PORT2 |
89			  POWER_CONTROL_LOW | POWER_SENSE_LOW,
90	.init		= colibri_pxa270_ohci_init,
91};
92
93static void __init colibri_pxa270_uhc_init(void)
94{
95	pxa_set_ohci_info(&colibri_pxa270_ohci_info);
96}
97#else
98static inline void colibri_pxa270_uhc_init(void) {}
99#endif
100
101void __init colibri_pxa270_evalboard_init(void)
102{
103	pxa2xx_mfp_config(ARRAY_AND_SIZE(colibri_pxa270_evalboard_pin_config));
104	pxa_set_ffuart_info(NULL);
105	pxa_set_btuart_info(NULL);
106	pxa_set_stuart_info(NULL);
107
108	colibri_pxa270_mmc_init();
109	colibri_pxa270_uhc_init();
110}
111