1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
|
// SPDX-License-Identifier: GPL-2.0-only
/*
* arch/arm/mach-pxa/colibri-pxa3xx.c
*
* Common functions for all Toradex PXA3xx modules
*
* Daniel Mack <daniel@caiaq.de>
*/
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/platform_device.h>
#include <linux/gpio.h>
#include <linux/etherdevice.h>
#include <asm/mach-types.h>
#include <mach/hardware.h>
#include <linux/sizes.h>
#include <asm/system_info.h>
#include <asm/mach/arch.h>
#include <asm/mach/irq.h>
#include <mach/pxa3xx-regs.h>
#include "mfp-pxa300.h"
#include "colibri.h"
#include <linux/platform_data/mmc-pxamci.h>
#include <linux/platform_data/video-pxafb.h>
#include <linux/platform_data/mtd-nand-pxa3xx.h>
#include "generic.h"
#include "devices.h"
#if defined(CONFIG_AX88796)
#define ETHER_ADDR_LEN 6
static u8 ether_mac_addr[ETHER_ADDR_LEN];
void __init colibri_pxa3xx_init_eth(struct ax_plat_data *plat_data)
{
int i;
u64 serial = ((u64) system_serial_high << 32) | system_serial_low;
/*
* If the bootloader passed in a serial boot tag, which contains a
* valid ethernet MAC, pass it to the interface. Toradex ships the
* modules with their own bootloader which provides a valid MAC
* this way.
*/
for (i = 0; i < ETHER_ADDR_LEN; i++) {
ether_mac_addr[i] = serial & 0xff;
serial >>= 8;
}
if (is_valid_ether_addr(ether_mac_addr)) {
plat_data->flags |= AXFLG_MAC_FROMPLATFORM;
plat_data->mac_addr = ether_mac_addr;
printk(KERN_INFO "%s(): taking MAC from serial boot tag\n",
__func__);
} else {
plat_data->flags |= AXFLG_MAC_FROMDEV;
printk(KERN_INFO "%s(): no valid serial boot tag found, "
"taking MAC from device\n", __func__);
}
}
#endif
#if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
static int lcd_bl_pin;
/*
* LCD panel (Sharp LQ043T3DX02)
*/
static void colibri_lcd_backlight(int on)
{
gpio_set_value(lcd_bl_pin, !!on);
}
static struct pxafb_mode_info sharp_lq43_mode = {
.pixclock = 101936,
.xres = 480,
.yres = 272,
.bpp = 32,
.depth = 18,
.hsync_len = 41,
.left_margin = 2,
.right_margin = 2,
.vsync_len = 10,
.upper_margin = 2,
.lower_margin = 2,
.sync = 0,
.cmap_greyscale = 0,
};
static struct pxafb_mach_info sharp_lq43_info = {
.modes = &sharp_lq43_mode,
.num_modes = 1,
.cmap_inverse = 0,
.cmap_static = 0,
.lcd_conn = LCD_COLOR_TFT_18BPP,
.pxafb_backlight_power = colibri_lcd_backlight,
};
void __init colibri_pxa3xx_init_lcd(int bl_pin)
{
lcd_bl_pin = bl_pin;
gpio_request(bl_pin, "lcd backlight");
gpio_direction_output(bl_pin, 0);
pxa_set_fb_info(NULL, &sharp_lq43_info);
}
#endif
#if IS_ENABLED(CONFIG_MTD_NAND_MARVELL)
static struct mtd_partition colibri_nand_partitions[] = {
{
.name = "bootloader",
.offset = 0,
.size = SZ_512K,
.mask_flags = MTD_WRITEABLE, /* force read-only */
},
{
.name = "kernel",
.offset = MTDPART_OFS_APPEND,
.size = SZ_4M,
.mask_flags = MTD_WRITEABLE, /* force read-only */
},
{
.name = "reserved",
.offset = MTDPART_OFS_APPEND,
.size = SZ_1M,
.mask_flags = MTD_WRITEABLE, /* force read-only */
},
{
.name = "fs",
.offset = MTDPART_OFS_APPEND,
.size = MTDPART_SIZ_FULL,
},
};
static struct pxa3xx_nand_platform_data colibri_nand_info = {
.keep_config = 1,
.parts = colibri_nand_partitions,
.nr_parts = ARRAY_SIZE(colibri_nand_partitions),
};
void __init colibri_pxa3xx_init_nand(void)
{
pxa3xx_set_nand_info(&colibri_nand_info);
}
#endif
|
