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acb36559 DM |
1 | /* |
2 | * arch/arm/mach-pxa/colibri-pxa3xx.c | |
3 | * | |
4 | * Common functions for all Toradex PXA3xx modules | |
5 | * | |
6 | * Daniel Mack <daniel@caiaq.de> | |
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/gpio.h> | |
22a0200b | 17 | #include <linux/etherdevice.h> |
acb36559 DM |
18 | #include <asm/mach-types.h> |
19 | #include <mach/hardware.h> | |
20 | #include <asm/sizes.h> | |
9f97da78 | 21 | #include <asm/system_info.h> |
acb36559 DM |
22 | #include <asm/mach/arch.h> |
23 | #include <asm/mach/irq.h> | |
24 | #include <mach/pxa3xx-regs.h> | |
4c25c5d2 AB |
25 | #include "mfp-pxa300.h" |
26 | #include "colibri.h" | |
293b2da1 AB |
27 | #include <linux/platform_data/mmc-pxamci.h> |
28 | #include <linux/platform_data/video-pxafb.h> | |
29 | #include <linux/platform_data/mtd-nand-pxa3xx.h> | |
acb36559 DM |
30 | |
31 | #include "generic.h" | |
32 | #include "devices.h" | |
33 | ||
22a0200b DM |
34 | #if defined(CONFIG_AX88796) |
35 | #define ETHER_ADDR_LEN 6 | |
36 | static u8 ether_mac_addr[ETHER_ADDR_LEN]; | |
37 | ||
38 | void __init colibri_pxa3xx_init_eth(struct ax_plat_data *plat_data) | |
39 | { | |
40 | int i; | |
41 | u64 serial = ((u64) system_serial_high << 32) | system_serial_low; | |
42 | ||
43 | /* | |
44 | * If the bootloader passed in a serial boot tag, which contains a | |
45 | * valid ethernet MAC, pass it to the interface. Toradex ships the | |
46 | * modules with their own bootloader which provides a valid MAC | |
47 | * this way. | |
48 | */ | |
49 | ||
50 | for (i = 0; i < ETHER_ADDR_LEN; i++) { | |
51 | ether_mac_addr[i] = serial & 0xff; | |
52 | serial >>= 8; | |
53 | } | |
54 | ||
55 | if (is_valid_ether_addr(ether_mac_addr)) { | |
56 | plat_data->flags |= AXFLG_MAC_FROMPLATFORM; | |
57 | plat_data->mac_addr = ether_mac_addr; | |
58 | printk(KERN_INFO "%s(): taking MAC from serial boot tag\n", | |
59 | __func__); | |
60 | } else { | |
61 | plat_data->flags |= AXFLG_MAC_FROMDEV; | |
62 | printk(KERN_INFO "%s(): no valid serial boot tag found, " | |
63 | "taking MAC from device\n", __func__); | |
64 | } | |
65 | } | |
66 | #endif | |
67 | ||
91fcfb90 DM |
68 | #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE) |
69 | static int lcd_bl_pin; | |
70 | ||
71 | /* | |
72 | * LCD panel (Sharp LQ043T3DX02) | |
73 | */ | |
74 | static void colibri_lcd_backlight(int on) | |
75 | { | |
76 | gpio_set_value(lcd_bl_pin, !!on); | |
77 | } | |
78 | ||
79 | static struct pxafb_mode_info sharp_lq43_mode = { | |
80 | .pixclock = 101936, | |
81 | .xres = 480, | |
82 | .yres = 272, | |
83 | .bpp = 32, | |
84 | .depth = 18, | |
85 | .hsync_len = 41, | |
86 | .left_margin = 2, | |
87 | .right_margin = 2, | |
88 | .vsync_len = 10, | |
89 | .upper_margin = 2, | |
90 | .lower_margin = 2, | |
91 | .sync = 0, | |
92 | .cmap_greyscale = 0, | |
93 | }; | |
94 | ||
95 | static struct pxafb_mach_info sharp_lq43_info = { | |
96 | .modes = &sharp_lq43_mode, | |
97 | .num_modes = 1, | |
98 | .cmap_inverse = 0, | |
99 | .cmap_static = 0, | |
100 | .lcd_conn = LCD_COLOR_TFT_18BPP, | |
101 | .pxafb_backlight_power = colibri_lcd_backlight, | |
102 | }; | |
103 | ||
104 | void __init colibri_pxa3xx_init_lcd(int bl_pin) | |
105 | { | |
106 | lcd_bl_pin = bl_pin; | |
107 | gpio_request(bl_pin, "lcd backlight"); | |
108 | gpio_direction_output(bl_pin, 0); | |
4321e1a1 | 109 | pxa_set_fb_info(NULL, &sharp_lq43_info); |
91fcfb90 DM |
110 | } |
111 | #endif | |
112 | ||
53740df1 DM |
113 | #if defined(CONFIG_MTD_NAND_PXA3xx) || defined(CONFIG_MTD_NAND_PXA3xx_MODULE) |
114 | static struct mtd_partition colibri_nand_partitions[] = { | |
115 | { | |
116 | .name = "bootloader", | |
117 | .offset = 0, | |
118 | .size = SZ_512K, | |
119 | .mask_flags = MTD_WRITEABLE, /* force read-only */ | |
120 | }, | |
121 | { | |
122 | .name = "kernel", | |
123 | .offset = MTDPART_OFS_APPEND, | |
124 | .size = SZ_4M, | |
125 | .mask_flags = MTD_WRITEABLE, /* force read-only */ | |
126 | }, | |
127 | { | |
128 | .name = "reserved", | |
129 | .offset = MTDPART_OFS_APPEND, | |
130 | .size = SZ_1M, | |
131 | .mask_flags = MTD_WRITEABLE, /* force read-only */ | |
132 | }, | |
133 | { | |
134 | .name = "fs", | |
135 | .offset = MTDPART_OFS_APPEND, | |
136 | .size = MTDPART_SIZ_FULL, | |
137 | }, | |
138 | }; | |
139 | ||
140 | static struct pxa3xx_nand_platform_data colibri_nand_info = { | |
141 | .enable_arbiter = 1, | |
142 | .keep_config = 1, | |
f3c8cfc2 LW |
143 | .num_cs = 1, |
144 | .parts[0] = colibri_nand_partitions, | |
145 | .nr_parts[0] = ARRAY_SIZE(colibri_nand_partitions), | |
53740df1 DM |
146 | }; |
147 | ||
148 | void __init colibri_pxa3xx_init_nand(void) | |
149 | { | |
150 | pxa3xx_set_nand_info(&colibri_nand_info); | |
151 | } | |
152 | #endif | |
153 |