mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-06-09 23:36:03 +09:00
9fb02491fe
For some boards board_init() will change GPIOs, so we need to have driver model available before then. Adjust the board init to arrange this, but enable it for driver model only, just to be safe. This does create additional #ifdef logic, but it is safer than trying to make a pervasive change which may cause some boards to break. Signed-off-by: Simon Glass <sjg@chromium.org>
136 lines
3.3 KiB
C
136 lines
3.3 KiB
C
/*
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* (C) Copyright 2000
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* Paolo Scaffardi, AIRVENT SAM s.p.a - RIMINI(ITALY), arsenio@tin.it
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#ifndef _STDIO_DEV_H_
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#define _STDIO_DEV_H_
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#include <linux/list.h>
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/*
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* STDIO DEVICES
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*/
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#define DEV_FLAGS_INPUT 0x00000001 /* Device can be used as input console */
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#define DEV_FLAGS_OUTPUT 0x00000002 /* Device can be used as output console */
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#define DEV_FLAGS_SYSTEM 0x80000000 /* Device is a system device */
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#define DEV_EXT_VIDEO 0x00000001 /* Video extensions supported */
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/* Device information */
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struct stdio_dev {
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int flags; /* Device flags: input/output/system */
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int ext; /* Supported extensions */
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char name[16]; /* Device name */
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/* GENERAL functions */
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int (*start)(struct stdio_dev *dev); /* To start the device */
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int (*stop)(struct stdio_dev *dev); /* To stop the device */
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/* OUTPUT functions */
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/* To put a char */
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void (*putc)(struct stdio_dev *dev, const char c);
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/* To put a string (accelerator) */
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void (*puts)(struct stdio_dev *dev, const char *s);
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/* INPUT functions */
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/* To test if a char is ready... */
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int (*tstc)(struct stdio_dev *dev);
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int (*getc)(struct stdio_dev *dev); /* To get that char */
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/* Other functions */
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void *priv; /* Private extensions */
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struct list_head list;
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};
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/*
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* VIDEO EXTENSIONS
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*/
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#define VIDEO_FORMAT_RGB_INDEXED 0x0000
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#define VIDEO_FORMAT_RGB_DIRECTCOLOR 0x0001
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#define VIDEO_FORMAT_YUYV_4_4_4 0x0010
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#define VIDEO_FORMAT_YUYV_4_2_2 0x0011
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typedef struct {
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void *address; /* Address of framebuffer */
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ushort width; /* Horizontal resolution */
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ushort height; /* Vertical resolution */
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uchar format; /* Format */
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uchar colors; /* Colors number or color depth */
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void (*setcolreg) (int, int, int, int);
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void (*getcolreg) (int, void *);
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} video_ext_t;
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/*
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* VARIABLES
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*/
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extern struct stdio_dev *stdio_devices[];
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extern char *stdio_names[MAX_FILES];
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/*
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* PROTOTYPES
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*/
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int stdio_register (struct stdio_dev * dev);
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int stdio_register_dev(struct stdio_dev *dev, struct stdio_dev **devp);
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/**
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* stdio_init_tables() - set up stdio tables ready for devices
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*
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* This does not add any devices, but just prepares stdio for use.
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*/
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int stdio_init_tables(void);
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/**
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* stdio_add_devices() - Add stdio devices to the table
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*
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* This makes calls to all the various subsystems that use stdio, to make
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* them register with stdio.
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*/
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int stdio_add_devices(void);
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/**
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* stdio_init() - Sets up stdio ready for use
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*
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* This calls stdio_init_tables() and stdio_add_devices()
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*/
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int stdio_init(void);
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void stdio_print_current_devices(void);
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#ifdef CONFIG_SYS_STDIO_DEREGISTER
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int stdio_deregister(const char *devname);
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int stdio_deregister_dev(struct stdio_dev *dev);
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#endif
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struct list_head* stdio_get_list(void);
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struct stdio_dev* stdio_get_by_name(const char* name);
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struct stdio_dev* stdio_clone(struct stdio_dev *dev);
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#ifdef CONFIG_LCD
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int drv_lcd_init (void);
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#endif
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#if defined(CONFIG_VIDEO) || defined(CONFIG_CFB_CONSOLE)
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int drv_video_init (void);
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#endif
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#ifdef CONFIG_KEYBOARD
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int drv_keyboard_init (void);
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#endif
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#ifdef CONFIG_USB_TTY
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int drv_usbtty_init (void);
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#endif
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#ifdef CONFIG_NETCONSOLE
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int drv_nc_init (void);
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#endif
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#ifdef CONFIG_JTAG_CONSOLE
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int drv_jtag_console_init (void);
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#endif
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#ifdef CONFIG_CBMEM_CONSOLE
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int cbmemc_init(void);
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#endif
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#endif
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