2 * (C) Copyright 2012 Lothar Waßmann <LW@KARO-electronics.de>
4 * See file CREDITS for list of people who contributed to this
7 * This program is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License
9 * version 2 as published by the Free Software Foundation.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
22 #ifdef CONFIG_SYS_LVDS_IF
28 void env_cleanup(void);
30 #ifdef CONFIG_OF_LIBFDT
31 void karo_fdt_remove_node(void *blob, const char *node);
32 void karo_fdt_move_fdt(void);
33 void karo_fdt_fixup_touchpanel(void *blob, const char *panels[],
35 void karo_fdt_fixup_usb_otg(void *blob, const char *node, const char *phy,
36 const char *phy_supply);
37 void karo_fdt_fixup_flexcan(void *blob, int xcvr_present);
38 void karo_fdt_del_prop(void *blob, const char *compat, u32 offs,
40 void karo_fdt_enable_node(void *blob, const char *node, int enable);
41 int karo_fdt_get_fb_mode(void *blob, const char *name,
42 struct fb_videomode *fb_mode);
43 int karo_fdt_update_fb_mode(void *blob, const char *name);
44 int karo_fdt_create_fb_mode(void *blob, const char *name,
45 struct fb_videomode *mode);
46 int karo_fdt_get_backlight_polarity(const void *blob);
48 static inline void karo_fdt_remove_node(void *blob, const char *node)
51 static inline void karo_fdt_move_fdt(void)
54 static inline void karo_fdt_fixup_touchpanel(void *blob, const char *panels[],
58 static inline void karo_fdt_fixup_usb_otg(void *blob, const char *node,
60 const char *phy_supply)
63 static inline void karo_fdt_fixup_flexcan(void *blob, int xcvr_present)
66 static inline void karo_fdt_del_prop(void *blob, const char *compat,
67 u32 offs, const char *prop)
70 static inline void karo_fdt_enable_node(void *blob, const char *node,
74 static inline int karo_fdt_get_fb_mode(void *blob, const char *name,
75 struct fb_videomode *fb_mode)
79 static inline int karo_fdt_update_fb_mode(void *blob, const char *name)
83 static inline int karo_fdt_create_fb_mode(void *blob,
85 struct fb_videomode *mode)
89 static inline int karo_fdt_get_backlight_polarity(const void *blob)
91 return getenv_yesno("backlight_polarity");
95 #if defined(CONFIG_SYS_LVDS_IF) && defined(CONFIG_OF_LIBFDT)
96 int karo_fdt_get_lcd_bus_width(const void *blob, int default_width);
97 int karo_fdt_get_lvds_mapping(const void *blob, int default_mapping);
98 u8 karo_fdt_get_lvds_channels(const void *blob);
100 static inline int karo_fdt_get_lcd_bus_width(const void *blob, int default_width)
102 return default_width;
104 static inline int karo_fdt_get_lvds_mapping(const void *blob, int default_mapping)
106 return default_mapping;
108 static inline u8 karo_fdt_get_lvds_channels(const void *blob)
114 static inline const char *karo_get_vmode(const char *video_mode)
116 const char *vmode = NULL;
118 if (video_mode == NULL || strlen(video_mode) == 0)
121 vmode = strchr(video_mode, ':');
122 return vmode ? vmode + 1 : video_mode;
125 #ifdef CONFIG_SPLASH_SCREEN
126 int karo_load_splashimage(int mode);
128 static inline int karo_load_splashimage(int mode)
134 #ifdef CONFIG_CMD_NAND
135 int karo_load_nand_part(const char *part, void *addr, size_t len);
137 static inline int karo_load_nand_part(const char *part, void *addr, size_t len)
143 #ifdef CONFIG_ENV_IS_IN_MMC
144 int karo_load_mmc_part(const char *part, void *addr, size_t len);
146 static inline int karo_load_mmc_part(const char *part, void *addr, size_t len)
152 static inline int karo_load_part(const char *part, void *addr, size_t len)
156 ret = karo_load_nand_part(part, addr, len);
157 if (ret == -EOPNOTSUPP)
158 return karo_load_mmc_part(part, addr, len);
162 #define DIV_ROUND(n, d) (((n) + (d) / 2) / (d))