Compiling the display command leads to an error
undefined reference to `display_set'
No implementation of display_set() exists in U-Boot.
Eliminate the `display` command as well as the accompanying files.
Signed-off-by: Heinrich Schuchardt xypron.glpk@gmx.de --- cmd/Kconfig | 8 ------- cmd/Makefile | 1 - cmd/display.c | 53 ------------------------------------------ doc/README.LED_display | 26 --------------------- include/led-display.h | 18 -------------- 5 files changed, 106 deletions(-) delete mode 100644 cmd/display.c delete mode 100644 doc/README.LED_display delete mode 100644 include/led-display.h
diff --git a/cmd/Kconfig b/cmd/Kconfig index 0d36da2a5c4..0badcb3fe00 100644 --- a/cmd/Kconfig +++ b/cmd/Kconfig @@ -1425,14 +1425,6 @@ config CMD_CLS Enable the 'cls' command which clears the screen contents on video frame buffer.
-config CMD_DISPLAY - bool "Enable the 'display' command, for character displays" - help - (this needs porting to driver model) - This enables the 'display' command which allows a string to be - displayed on a simple board-specific display. Implement - display_putc() to use it. - config CMD_EFIDEBUG bool "efidebug - display/configure UEFI environment" depends on EFI_LOADER diff --git a/cmd/Makefile b/cmd/Makefile index 7864fcf95c3..f982564ab9f 100644 --- a/cmd/Makefile +++ b/cmd/Makefile @@ -45,7 +45,6 @@ obj-$(CONFIG_CMD_SOUND) += sound.o ifdef CONFIG_POST obj-$(CONFIG_CMD_DIAG) += diag.o endif -obj-$(CONFIG_CMD_DISPLAY) += display.o obj-$(CONFIG_CMD_DTIMG) += dtimg.o obj-$(CONFIG_CMD_ECHO) += echo.o obj-$(CONFIG_ENV_IS_IN_EEPROM) += eeprom.o diff --git a/cmd/display.c b/cmd/display.c deleted file mode 100644 index fbe5514a707..00000000000 --- a/cmd/display.c +++ /dev/null @@ -1,53 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0+ -/* - * (C) Copyright 2005 - * Wolfgang Denk, DENX Software Engineering, wd@denx.de. - */ - -#include <common.h> -#include <command.h> -#include <led-display.h> - -#undef DEBUG_DISP - -int do_display (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) -{ - int i; - - /* Clear display */ - display_set(DISPLAY_CLEAR | DISPLAY_HOME); - - if (argc < 2) - return (0); - - for (i = 1; i < argc; i++) { - char *p = argv[i]; - - if (i > 1) { /* Insert a space between strings */ - display_putc(' '); - } - - while ((*p)) { -#ifdef DEBUG_DISP - putc(*p); -#endif - display_putc(*p++); - } - } - -#ifdef DEBUG_DISP - putc('\n'); -#endif - - return (0); -} - -/***************************************************/ - -U_BOOT_CMD( - display, CONFIG_SYS_MAXARGS, 1, do_display, - "display string on dot matrix display", - "[<string>]\n" - " - with <string> argument: display <string> on dot matrix display\n" - " - without arguments: clear dot matrix display" -); diff --git a/doc/README.LED_display b/doc/README.LED_display deleted file mode 100644 index 19977ea7e0d..00000000000 --- a/doc/README.LED_display +++ /dev/null @@ -1,26 +0,0 @@ -LED display internal API -======================================= - -This README describes the LED display API. - -The API is defined by the include file include/led-display.h - -The first step in to define CONFIG_CMD_DISPLAY in the board config file. -Then you need to provide the following functions to access LED display: - -void display_set(int cmd); - -This function should control the state of the LED display. Argument is -an ORed combination of the following values: - DISPLAY_CLEAR -- clear the display - DISPLAY_HOME -- set the position to the beginning of display - -int display_putc(char c); - -This function should display it's parameter on the LED display in the -current position. Returns the displayed character on success or -1 in -case of failure. - -With this functions defined 'display' command will display it's -arguments on the LED display (or clear the display if called without -arguments). diff --git a/include/led-display.h b/include/led-display.h deleted file mode 100644 index b21f3b05700..00000000000 --- a/include/led-display.h +++ /dev/null @@ -1,18 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0+ */ -/* - * (C) Copyright 2005-2010 - * Wolfgang Denk, DENX Software Engineering, wd@denx.de. - * - * (C) Copyright 2010 - * Sergei Poselenov, Emcraft Systems, sposelenov@emcraft.com. - */ -#ifndef _led_display_h_ -#define _led_display_h_ - -/* Display Commands */ -#define DISPLAY_CLEAR 0x1 /* Clear the display */ -#define DISPLAY_HOME 0x2 /* Set cursor at home position */ - -void display_set(int cmd); -int display_putc(char c); -#endif -- 2.20.1