Commit | Line | Data |
---|---|---|
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> | |
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> | |
26 | #include <mach/mmc.h> | |
91fcfb90 | 27 | #include <mach/pxafb.h> |
82b95ecb | 28 | #include <plat/pxa3xx_nand.h> |
acb36559 DM |
29 | |
30 | #include "generic.h" | |
31 | #include "devices.h" | |
32 | ||
22a0200b DM |
33 | #if defined(CONFIG_AX88796) |
34 | #define ETHER_ADDR_LEN 6 | |
35 | static u8 ether_mac_addr[ETHER_ADDR_LEN]; | |
36 | ||
37 | void __init colibri_pxa3xx_init_eth(struct ax_plat_data *plat_data) | |
38 | { | |
39 | int i; | |
40 | u64 serial = ((u64) system_serial_high << 32) | system_serial_low; | |
41 | ||
42 | /* | |
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 | |
46 | * this way. | |
47 | */ | |
48 | ||
49 | for (i = 0; i < ETHER_ADDR_LEN; i++) { | |
50 | ether_mac_addr[i] = serial & 0xff; | |
51 | serial >>= 8; | |
52 | } | |
53 | ||
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", | |
58 | __func__); | |
59 | } else { | |
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__); | |
63 | } | |
64 | } | |
65 | #endif | |
66 | ||
91fcfb90 DM |
67 | #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE) |
68 | static int lcd_bl_pin; | |
69 | ||
70 | /* | |
71 | * LCD panel (Sharp LQ043T3DX02) | |
72 | */ | |
73 | static void colibri_lcd_backlight(int on) | |
74 | { | |
75 | gpio_set_value(lcd_bl_pin, !!on); | |
76 | } | |
77 | ||
78 | static struct pxafb_mode_info sharp_lq43_mode = { | |
79 | .pixclock = 101936, | |
80 | .xres = 480, | |
81 | .yres = 272, | |
82 | .bpp = 32, | |
83 | .depth = 18, | |
84 | .hsync_len = 41, | |
85 | .left_margin = 2, | |
86 | .right_margin = 2, | |
87 | .vsync_len = 10, | |
88 | .upper_margin = 2, | |
89 | .lower_margin = 2, | |
90 | .sync = 0, | |
91 | .cmap_greyscale = 0, | |
92 | }; | |
93 | ||
94 | static struct pxafb_mach_info sharp_lq43_info = { | |
95 | .modes = &sharp_lq43_mode, | |
96 | .num_modes = 1, | |
97 | .cmap_inverse = 0, | |
98 | .cmap_static = 0, | |
99 | .lcd_conn = LCD_COLOR_TFT_18BPP, | |
100 | .pxafb_backlight_power = colibri_lcd_backlight, | |
101 | }; | |
102 | ||
103 | void __init colibri_pxa3xx_init_lcd(int bl_pin) | |
104 | { | |
105 | lcd_bl_pin = bl_pin; | |
106 | gpio_request(bl_pin, "lcd backlight"); | |
107 | gpio_direction_output(bl_pin, 0); | |
4321e1a1 | 108 | pxa_set_fb_info(NULL, &sharp_lq43_info); |
91fcfb90 DM |
109 | } |
110 | #endif | |
111 | ||
53740df1 DM |
112 | #if defined(CONFIG_MTD_NAND_PXA3xx) || defined(CONFIG_MTD_NAND_PXA3xx_MODULE) |
113 | static struct mtd_partition colibri_nand_partitions[] = { | |
114 | { | |
115 | .name = "bootloader", | |
116 | .offset = 0, | |
117 | .size = SZ_512K, | |
118 | .mask_flags = MTD_WRITEABLE, /* force read-only */ | |
119 | }, | |
120 | { | |
121 | .name = "kernel", | |
122 | .offset = MTDPART_OFS_APPEND, | |
123 | .size = SZ_4M, | |
124 | .mask_flags = MTD_WRITEABLE, /* force read-only */ | |
125 | }, | |
126 | { | |
127 | .name = "reserved", | |
128 | .offset = MTDPART_OFS_APPEND, | |
129 | .size = SZ_1M, | |
130 | .mask_flags = MTD_WRITEABLE, /* force read-only */ | |
131 | }, | |
132 | { | |
133 | .name = "fs", | |
134 | .offset = MTDPART_OFS_APPEND, | |
135 | .size = MTDPART_SIZ_FULL, | |
136 | }, | |
137 | }; | |
138 | ||
139 | static struct pxa3xx_nand_platform_data colibri_nand_info = { | |
140 | .enable_arbiter = 1, | |
141 | .keep_config = 1, | |
f3c8cfc2 LW |
142 | .num_cs = 1, |
143 | .parts[0] = colibri_nand_partitions, | |
144 | .nr_parts[0] = ARRAY_SIZE(colibri_nand_partitions), | |
53740df1 DM |
145 | }; |
146 | ||
147 | void __init colibri_pxa3xx_init_nand(void) | |
148 | { | |
149 | pxa3xx_set_nand_info(&colibri_nand_info); | |
150 | } | |
151 | #endif | |
152 |