2 * arch/arm/mach-pxa/colibri-pxa3xx.c
4 * Common functions for all Toradex PXA3xx modules
6 * Daniel Mack <daniel@caiaq.de>
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.
13 #include <linux/init.h>
14 #include <linux/kernel.h>
15 #include <linux/platform_device.h>
16 #include <linux/gpio.h>
17 #include <linux/etherdevice.h>
18 #include <asm/mach-types.h>
19 #include <mach/hardware.h>
20 #include <asm/sizes.h>
21 #include <asm/mach/arch.h>
22 #include <asm/mach/irq.h>
23 #include <mach/pxa3xx-regs.h>
24 #include <mach/mfp-pxa300.h>
25 #include <mach/colibri.h>
27 #include <mach/pxafb.h>
28 #include <plat/pxa3xx_nand.h>
33 #if defined(CONFIG_AX88796)
34 #define ETHER_ADDR_LEN 6
35 static u8 ether_mac_addr[ETHER_ADDR_LEN];
37 void __init colibri_pxa3xx_init_eth(struct ax_plat_data *plat_data)
40 u64 serial = ((u64) system_serial_high << 32) | system_serial_low;
43 * If the bootloader passed in a serial boot tag, which contains a
44 * valid ethernet MAC, pass it to the interface. Toradex ships the
45 * modules with their own bootloader which provides a valid MAC
49 for (i = 0; i < ETHER_ADDR_LEN; i++) {
50 ether_mac_addr[i] = serial & 0xff;
54 if (is_valid_ether_addr(ether_mac_addr)) {
55 plat_data->flags |= AXFLG_MAC_FROMPLATFORM;
56 plat_data->mac_addr = ether_mac_addr;
57 printk(KERN_INFO "%s(): taking MAC from serial boot tag\n",
60 plat_data->flags |= AXFLG_MAC_FROMDEV;
61 printk(KERN_INFO "%s(): no valid serial boot tag found, "
62 "taking MAC from device\n", __func__);
67 #if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE)
68 static int mmc_detect_pin;
70 static int colibri_pxa3xx_mci_init(struct device *dev,
71 irq_handler_t colibri_mmc_detect_int,
76 ret = gpio_request(mmc_detect_pin, "mmc card detect");
80 gpio_direction_input(mmc_detect_pin);
81 ret = request_irq(gpio_to_irq(mmc_detect_pin), colibri_mmc_detect_int,
82 IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
83 "MMC card detect", data);
85 gpio_free(mmc_detect_pin);
92 static void colibri_pxa3xx_mci_exit(struct device *dev, void *data)
94 free_irq(mmc_detect_pin, data);
95 gpio_free(gpio_to_irq(mmc_detect_pin));
98 static struct pxamci_platform_data colibri_pxa3xx_mci_platform_data = {
99 .detect_delay_ms = 200,
100 .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34,
101 .init = colibri_pxa3xx_mci_init,
102 .exit = colibri_pxa3xx_mci_exit,
103 .gpio_card_detect = -1,
108 void __init colibri_pxa3xx_init_mmc(mfp_cfg_t *pins, int len, int detect_pin)
110 pxa3xx_mfp_config(pins, len);
111 mmc_detect_pin = detect_pin;
112 pxa_set_mci_info(&colibri_pxa3xx_mci_platform_data);
114 #endif /* CONFIG_MMC_PXA || CONFIG_MMC_PXA_MODULE */
116 #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
117 static int lcd_bl_pin;
120 * LCD panel (Sharp LQ043T3DX02)
122 static void colibri_lcd_backlight(int on)
124 gpio_set_value(lcd_bl_pin, !!on);
127 static struct pxafb_mode_info sharp_lq43_mode = {
143 static struct pxafb_mach_info sharp_lq43_info = {
144 .modes = &sharp_lq43_mode,
148 .lcd_conn = LCD_COLOR_TFT_18BPP,
149 .pxafb_backlight_power = colibri_lcd_backlight,
152 void __init colibri_pxa3xx_init_lcd(int bl_pin)
155 gpio_request(bl_pin, "lcd backlight");
156 gpio_direction_output(bl_pin, 0);
157 set_pxa_fb_info(&sharp_lq43_info);
161 #if defined(CONFIG_MTD_NAND_PXA3xx) || defined(CONFIG_MTD_NAND_PXA3xx_MODULE)
162 static struct mtd_partition colibri_nand_partitions[] = {
164 .name = "bootloader",
167 .mask_flags = MTD_WRITEABLE, /* force read-only */
171 .offset = MTDPART_OFS_APPEND,
173 .mask_flags = MTD_WRITEABLE, /* force read-only */
177 .offset = MTDPART_OFS_APPEND,
179 .mask_flags = MTD_WRITEABLE, /* force read-only */
183 .offset = MTDPART_OFS_APPEND,
184 .size = MTDPART_SIZ_FULL,
188 static struct pxa3xx_nand_platform_data colibri_nand_info = {
191 .parts = colibri_nand_partitions,
192 .nr_parts = ARRAY_SIZE(colibri_nand_partitions),
195 void __init colibri_pxa3xx_init_nand(void)
197 pxa3xx_set_nand_info(&colibri_nand_info);