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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>
17#include <linux/etherdevice.h>
18#include <asm/mach-types.h>
19#include <mach/hardware.h>
20#include <asm/sizes.h>
21#include <asm/system_info.h>
22#include <asm/mach/arch.h>
23#include <asm/mach/irq.h>
24#include <mach/pxa3xx-regs.h>
25#include <mach/mfp-pxa300.h>
26#include <mach/colibri.h>
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>
30
31#include "generic.h"
32#include "devices.h"
33
34#if defined(CONFIG_AX88796)
35#define ETHER_ADDR_LEN 6
36static u8 ether_mac_addr[ETHER_ADDR_LEN];
37
38void __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
68#if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
69static int lcd_bl_pin;
70
71/*
72 * LCD panel (Sharp LQ043T3DX02)
73 */
74static void colibri_lcd_backlight(int on)
75{
76 gpio_set_value(lcd_bl_pin, !!on);
77}
78
79static 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
95static 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
104void __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);
109 pxa_set_fb_info(NULL, &sharp_lq43_info);
110}
111#endif
112
113#if defined(CONFIG_MTD_NAND_PXA3xx) || defined(CONFIG_MTD_NAND_PXA3xx_MODULE)
114static 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
140static struct pxa3xx_nand_platform_data colibri_nand_info = {
141 .enable_arbiter = 1,
142 .keep_config = 1,
143 .num_cs = 1,
144 .parts[0] = colibri_nand_partitions,
145 .nr_parts[0] = ARRAY_SIZE(colibri_nand_partitions),
146};
147
148void __init colibri_pxa3xx_init_nand(void)
149{
150 pxa3xx_set_nand_info(&colibri_nand_info);
151}
152#endif
153
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>
17#include <linux/etherdevice.h>
18#include <asm/mach-types.h>
19#include <mach/hardware.h>
20#include <asm/sizes.h>
21#include <asm/system_info.h>
22#include <asm/mach/arch.h>
23#include <asm/mach/irq.h>
24#include <mach/pxa3xx-regs.h>
25#include "mfp-pxa300.h"
26#include "colibri.h"
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>
30
31#include "generic.h"
32#include "devices.h"
33
34#if defined(CONFIG_AX88796)
35#define ETHER_ADDR_LEN 6
36static u8 ether_mac_addr[ETHER_ADDR_LEN];
37
38void __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
68#if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
69static int lcd_bl_pin;
70
71/*
72 * LCD panel (Sharp LQ043T3DX02)
73 */
74static void colibri_lcd_backlight(int on)
75{
76 gpio_set_value(lcd_bl_pin, !!on);
77}
78
79static 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
95static 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
104void __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);
109 pxa_set_fb_info(NULL, &sharp_lq43_info);
110}
111#endif
112
113#if IS_ENABLED(CONFIG_MTD_NAND_MARVELL)
114static 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
140static struct pxa3xx_nand_platform_data colibri_nand_info = {
141 .keep_config = 1,
142 .parts = colibri_nand_partitions,
143 .nr_parts = ARRAY_SIZE(colibri_nand_partitions),
144};
145
146void __init colibri_pxa3xx_init_nand(void)
147{
148 pxa3xx_set_nand_info(&colibri_nand_info);
149}
150#endif
151