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https://gitee.com/open-loongarch/linux-6.12.git
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maoxiaochuan
7ffd18ab9d
1. 添加带irq处理的gpio驱动 2. 龙芯2k系列添加mmc驱动支持 3. 添加看门狗驱动 4. dtb支持从command line中的board_name字段判断 5. 支持内存分布描述数据从固件传入的数据获取 6. 支持从bootcmdline获取ramdisk启动的地址和所用大小 7. 添加2k300的i2c总线驱动 8. 2k300使用新的spi 和 spi-io 驱动 9. CPU芯片温度传感器支持2k300的计算方式 10. 添加2k300的adc驱动 11. pwm: update default pwm freq to 50Mhz 12. loongson pwm 驱动支持dts使用clock-frequency形式声明频率 13. loongson pwm 确保disable时输出的电平为空闲电平 14. 2k300编译配置使能pwm leds功能 15. 2k300的gmac的phy-mode默认使用rgmii-id 16. 2k300先锋派设置YT8531的内部延迟 17. YT8531 phy 支持设置led的工作模式 18. LCD屏幕 支持cmdline的panel属性选择某一款板卡的dts配置，实现屏幕切换 19. 添加脚本用于快速选择板卡配置文件 20. 添加CAN驱动 21. 添加音频驱动 22. 优化OTG兼容性 Signed-off-by: maoxiaochuan <maoxiaochuan@loongson.cn>
111 lines
2.5 KiB
C
111 lines
2.5 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
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/*
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* Linux logo to be displayed on boot
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*
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* Copyright (C) 1996 Larry Ewing (lewing@isc.tamu.edu)
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* Copyright (C) 1996,1998 Jakub Jelinek (jj@sunsite.mff.cuni.cz)
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* Copyright (C) 2001 Greg Banks <gnb@alphalink.com.au>
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* Copyright (C) 2001 Jan-Benedict Glaw <jbglaw@lug-owl.de>
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* Copyright (C) 2003 Geert Uytterhoeven <geert@linux-m68k.org>
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*/
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#include <linux/linux_logo.h>
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#include <linux/stddef.h>
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#include <linux/module.h>
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#ifdef CONFIG_M68K
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#include <asm/setup.h>
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#endif
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static bool nologo;
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module_param(nologo, bool, 0);
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MODULE_PARM_DESC(nologo, "Disables startup logo");
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/*
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* Logos are located in the initdata, and will be freed in kernel_init.
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* Use late_init to mark the logos as freed to prevent any further use.
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*/
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static bool logos_freed;
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static int __init fb_logo_late_init(void)
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{
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logos_freed = true;
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return 0;
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}
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late_initcall_sync(fb_logo_late_init);
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/* logo's are marked __initdata. Use __ref to tell
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* modpost that it is intended that this function uses data
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* marked __initdata.
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*/
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const struct linux_logo * __ref fb_find_logo(int depth)
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{
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const struct linux_logo *logo = NULL;
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if (nologo || logos_freed)
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return NULL;
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if (depth >= 1) {
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#ifdef CONFIG_LOGO_LINUX_MONO
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/* Generic Linux logo */
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logo = &logo_linux_mono;
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#endif
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#ifdef CONFIG_LOGO_SUPERH_MONO
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/* SuperH Linux logo */
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logo = &logo_superh_mono;
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#endif
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}
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if (depth >= 4) {
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#ifdef CONFIG_LOGO_LINUX_VGA16
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/* Generic Linux logo */
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logo = &logo_linux_vga16;
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#endif
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#ifdef CONFIG_LOGO_SUPERH_VGA16
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/* SuperH Linux logo */
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logo = &logo_superh_vga16;
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#endif
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}
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if (depth >= 8) {
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#ifdef CONFIG_LOGO_LINUX_CLUT224
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/* Generic Linux logo */
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logo = &logo_linux_clut224;
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#endif
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#ifdef CONFIG_LOGO_DEC_CLUT224
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/* DEC Linux logo on MIPS/MIPS64 or ALPHA */
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logo = &logo_dec_clut224;
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#endif
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#ifdef CONFIG_LOGO_MAC_CLUT224
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/* Macintosh Linux logo on m68k */
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if (MACH_IS_MAC)
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logo = &logo_mac_clut224;
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#endif
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#ifdef CONFIG_LOGO_PARISC_CLUT224
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/* PA-RISC Linux logo */
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logo = &logo_parisc_clut224;
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#endif
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#ifdef CONFIG_LOGO_SGI_CLUT224
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/* SGI Linux logo on MIPS/MIPS64 */
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logo = &logo_sgi_clut224;
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#endif
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#ifdef CONFIG_LOGO_SUN_CLUT224
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/* Sun Linux logo */
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logo = &logo_sun_clut224;
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#endif
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#ifdef CONFIG_LOGO_SUPERH_CLUT224
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/* SuperH Linux logo */
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logo = &logo_superh_clut224;
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#endif
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#ifdef CONFIG_LOGO_LOONGSON_CLUT224
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/* Loongson Linux logo */
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logo = &logo_loongson_clut224;
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#endif
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}
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return logo;
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}
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EXPORT_SYMBOL_GPL(fb_find_logo);
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