锘??xml version="1.0" encoding="utf-8" standalone="yes"?>
2 {
3 char driver_name[]="s3c_fb";
4 int ret;
5 int index=0;
6
7 for(index=0; index<S3C_FB_NUM; index++){ //閬嶅巻姣忎竴涓猣b,鎴戜滑閲屽彧鏈変竴涓猯cd.
8 s3c_fb_init_fbinfo(&info[index], driver_name, index);
9
10 if(index==0){ //鎿嶄綔涓籰cd
11 s3c_fb_backlight_power(1); //寮鍚儗鍏夛紝lcd鐢墊簮婧愶紝寮鍚儗鍏夌瓑銆?
12 s3c_fb_lcd_power(1);
13 s3c_fb_backlight_level(DEFAULT_BACKLIGHT_LEVEL);
14
15 dprintk("dev FB init\n");
16
17 //鏄犲皠鍐呭瓨鍖哄煙
18 if (!request_mem_region((unsigned long)S3C_VA_LCD, SZ_1M, "s3c-lcd")) {
19 ret = -EBUSY;
20 goto dealloc_fb;
21 }
22
23 dprintk("got LCD region\n");
24
25 //鎵撳紑lcd_clock
26 lcd_clock = clk_get(NULL, "lcd");
27 if (!lcd_clock) {
28 printk(KERN_INFO "failed to get lcd clock source\n");
29 ret = -ENOENT;
30 goto release_irq;
31 }
32
33 clk_enable(lcd_clock);
34 printk("S3C_LCD clock got enabled :: %ld.%03ld Mhz\n", print_mhz(clk_get_rate(lcd_clock)));
35
36 msleep(5);
37 }
38
39 //鐢寵鏄懼瓨
40 /* Initialize video memory */
41 ret = s3c_fb_map_video_memory(&info[index]);
42 if (ret) {
43 printk("Failed to allocate video RAM: %d\n", ret);
44 ret = -ENOMEM;
45 goto release_clock;
46 }
47 dprintk("got video memory\n");
48
49 //鍒濆鍖栧瘎瀛樺櫒錛岃繖閲屼笌鍏蜂綋鐨勮澶囨湁鍏熾?/span>
50 ret = s3c_fb_init_registers(&info[index]);
51 ret = s3c_fb_check_var(&info[index].fb.var, &info[index].fb);
52
53 //鎵璋撶殑鑹茶〃錛堣皟鑹茬洏錛燂級錛屼笉娓呴櫎鏄共鍟ョ殑銆?/span>
54 if(index<2){
55 /* 2007-01-09-Tue. for RGB 8-8-8 palette*/
56 if(fb_alloc_cmap(&info[index].fb.cmap, 256, 0)<0){
57 goto dealloc_fb;
58 }
59 }
60 else{
61 /* 2007-01-09-Tue. for RGB 8-8-8 palette*/
62 if(fb_alloc_cmap(&info[index].fb.cmap, 16, 0)<0){
63 goto dealloc_fb;
64 }
65 }
66 //娉ㄥ唽framebuffer??
67 ret = register_framebuffer(&info[index].fb);
68 if (ret < 0) {
69 printk(KERN_ERR "Failed to register framebuffer device: %d\n", ret);
70 goto free_video_memory;
71 }
72 }// for(index=0; index<CONFIG_FB_NUM; index++)
73
74 // initialize the struct for Waitforvsync
75 // 鍏充簬涓柇鐨勫垵濮嬪寲宸ヤ綔錛岃矊浼?412鏄敞鍐屼互鍚庡張鍙栨秷浜?/span>
76 s3cfb_vSyncInfo.count = 0;
77 init_waitqueue_head(&s3cfb_vSyncInfo.waitQueue);
78
79 #if defined(CONFIG_ARCH_S3C2443)
80 ret = request_irq(IRQ_LCD3, s3c_fb_irq, 0, "s3c-lcd", pdev);
81 #elif defined(CONFIG_ARCH_S3C6400)
82 ret = request_irq(IRQ_LCD_VSYNC, s3c_fb_irq, 0, "s3c-lcd", pdev);
83 #elif defined (CONFIG_S3C_DVS) && defined (CONFIG_ARCH_S3C2412)
84 ret = request_irq(IRQ_LCD, s3c_dvs_irq, 0, "s3c-lcd", pdev);
85 #endif
86 if (ret != 0) {
87 printk("Failed to install irq (%d)\n", ret);
88 goto release_irq;
89 }
90
91 #if defined (CONFIG_S3C_DVS) & defined (CONFIG_ARCH_S3C2412)
92 disable_irq(IRQ_LCD);
93 #endif
94
95 //鍦╯ys搴曚笅寤虹珛鑺傜偣錛岀敤浜庡拰鐢ㄦ埛絀洪棿浜や簰
96 /* create device files */
97 device_create_file(&(pdev->dev), &dev_attr_backlight_power);
98 device_create_file(&(pdev->dev), &dev_attr_backlight_level);
99 device_create_file(&(pdev->dev), &dev_attr_lcd_power);
100
101 //鑳滃埄閫鍑?/span>
102 printk(KERN_INFO "fb%d: %s frame buffer device\n",
103 info[index].fb.node, info[index].fb.fix.id);
104 return 0;
105
106 free_video_memory:
107 s3c_fb_unmap_video_memory(&info[index]);
108
109 release_clock:
110 clk_disable(lcd_clock);
111 clk_put(lcd_clock);
112
113 release_irq:
114 #if defined(CONFIG_ARCH_S3C2443)
115 free_irq(IRQ_LCD3, &info);
116 #elif defined(CONFIG_ARCH_S3C6400)
117 free_irq(IRQ_LCD_VSYNC, &info);
118 #endif
119 //release_mem:
120 release_mem_region((unsigned long)S3C_VA_LCD, S3C_SZ_LCD);
121
122 dealloc_fb:
123 framebuffer_release(&info[index].fb);
124 return ret;
125 }
126
127
128
]]>
錛堝緟緇級
鎴戜嬌鐢ㄧ殑涓嶆槸SMDK2412鐨勫紑鍙戞澘錛岃屾槸鍏徃宸茬粡鍑鴻揣鐨?412鐨勬満鍣紝鍘熸潵鐢ㄧ殑鏄嚜宸辯殑涓涓狾S錛岀幇鍦ㄦ墦綆楀湪浠栦笂闈㈣繍琛宭inux.
緙栬瘧2.6鐨勫唴鏍革紝闇瑕佹瘮杈冩柊鐨刧cc, 鎴戞殏鏃惰兘鎵懼埌鐨勬柊鐗坅rm-linux-gcc涔熷氨鏄?.4.1銆傦紝涔嬪墠鐢╝rm-none-linux-eabi-gcc 4.1緙栧嚭鏉ョ殑zImage濂藉ぇ錛屽熀鏈笉鑳界敤銆傚浜庡紑鍙戝伐鍏峰拰鍐呮牳鐗堟湰錛屾垜瑙夊緱榪樻槸瓚婃柊瓚婂ソ錛堢ǔ瀹氱増錛夛紝鍚﹀垯鍙兘浼氶亣鍒頒竴浜涚█濂囧彜鎬殑闂銆?/p>
1.淇敼Boot
浣跨敤鍏徃鍘熸湁鐨凚oot, 鍦˙oot鍚姩Kernel鐨勬椂鍊欙紝鍔犲叆鐨勫弬鏁拌瀹氾紝鐒跺悗鐢ㄥ叕鍙鎬笓鐢ㄧ殑usb鏇存柊宸ュ叿鐑у綍kernel鍒癴lash涓紝鍚姩鏈哄櫒浠ュ悗鏄劇ず浜嗕竴鍫嗕貢鐮侊紝鍦ㄥ惎鍔ㄥ弬鏁?console=ttySAC0鍚庨潰鍔犱笂浜?115200錛岃瀹氭嘗鐗圭巼浠ュ悗涓鍒嘜K.
2.MTD鍒嗗尯錛氫慨鏀規(guī)枃浠禼ommon-smdk.c 錛?淇敼鍏朵腑鐨凪TD璁懼鐨勫垎鍖恒?/p>
鏂扮殑kernel閲岄潰宸茬粡鏈変簡榛樿鍒嗗尯琛紝鎴戜滑鍙鏍規(guī)嵁鎴戜滑闇瑕佹潵鍋氶儴鍒嗕慨鏀瑰氨鍙互錛屾垜鐨刵and鏈?12MB錛?鎴戠洰鍓嶅彧鏄皢鍓嶉潰鐨?M鍒嗙粰boot,kernel, 绱ф帴涓嬫潵鐨?M鍒嗙粰rootfs錛屾墦綆楁殏鏃跺姞杞戒竴涓?綆鍗曠殑cramfs銆傚叾浠栫殑nand閮借繕娌℃湁鐢ㄣ?/p>
3.鍙栨秷NAND椹卞姩涓殑ECC璇繪牎楠岋紝浠ュ強鍧忓潡鐩戞祴閮ㄥ垎, 鍥犱負NAND鎿嶄綔閮ㄥ垎錛宐oot鍜宬ernel鏈変竴浜涗笉鍚屻?/p>
閲嶅惎浠ュ悗錛宮ount root鍒嗗尯澶辮觸錛岃繕鎵撳嚭浜咺/O 閿欒銆?鍏抽棴浜咵CC鏍¢獙錛屼慨鏀逛簡pc宸ュ叿鐨勭儳褰曞湴鍧浠ュ悗錛宱k. 榪欓兘鏄洜涓烘垜浠殑鐑у綍宸ュ叿浣跨敤鐨勫湴鍧琛ㄧず鏂規(guī)硶鍜宔cc鐨勬柟寮忔湁涓浜涗笉鍚屻?/p>
4.鐑у綍 root 鏂囦歡緋葷粺銆?/p>
鎷夸簡涓涓湪kernel2.4 2440 涓婄敤榪囧緱cramfs鐩存帴鏉ョ敤錛屾彁紺烘壘涓嶅埌dev/console錛?涓婄綉鏌ヤ簡涓閬嶏紝搴旇鏄洜涓虹幇鍦ㄦ柊鐗堢殑kernel鍘繪帀浜哾evfs鐨勭紭鏁咃紝涓轟簡鍏堝揩閫熺殑鏈変竴涓彲鎵ц鐜錛屾墍浠ュ湪緗戜笂鎵句簡涓涓幇鎴愮殑錛屽凡緇忚嚜宸卞緩绔嬪ソ鑺傜偣鐨刢ramfs錛岄噷闈㈢殑busybox鐗堟湰涔熸瘮杈冩柊銆?
寮鏈鴻繍琛岋紝鎬葷畻瑙佸埌浜嗕翰鐖辯殑shell.
榪欐槸鎴戝湪ITjob鍩硅緗戜笂鎵懼埌鐨勮紼嬪ぇ綰詫紝瑙夊緱浣滀負宓屽叆寮忕郴緇熷紑鍙戠殑瀛︿範姝ラ錛屾寜閮ㄥ氨鐝湴鍘繪柦琛屽拰瀛︿範錛屽埌涓嶅け涓轟竴縐嶅ソ鐨勫涔犳柟娉曪細錛?/p>
灝辯畻鏄綔涓哄弬鑰冧篃鏄湁寰堝ソ鐨勪環(huán)鍊肩殑錛?/p>
闅忕潃鐜頒唬紺句細淇℃伅鍖栬繘紼嬬殑鍔犲揩錛屽祵鍏ュ紡緋葷粺琚箍娉涚殑鍦板簲鐢ㄤ簬鍐涗簨銆佸鐢ㄣ佸伐涓氥佸晢涓氥佸姙鍏佸尰鐤楃瓑紺句細鍚勪釜鏂?
闈紝琛ㄧ幇鍑哄緢寮虹殑鎶曡祫浠峰箋備粠鍥介檯鑼冨洿鏉ョ湅錛屼綔涓烘暟瀛楀寲鐢?shù)瀛愪俊鎭骇鍝佹牳蹇冪殑宓屽叆寮従p葷粺鐩墠鍏剁‖浠跺拰杞歡寮鍙戝伐鍏峰競鍦哄凡緇忕獊鐮?font face="鏂囬紟錛幫棘綆涓シ, serif">2000浜跨編鍏冿紝宓屽叆寮忕郴緇熷甫
鏉ョ殑鍏ㄧ悆宸ヤ笟騫翠駭鍊兼洿鏄揪鍒頒簡涓涓囦嚎緹庡厓錛岄殢鐫鍏ㄧ悆緇忔祹鐨勬寔緇闀夸互鍙婁俊鎭寲鐨勫姞閫熷彂灞曪紝宓屽叆寮忕郴緇熷競鍦哄繀灝嗚繘涓姝ュ闀褲?font face="鏂囬紟錛幫棘綆涓シ, serif">
鏈紼嬫槸涓轟簡閫傚簲鐩墠鍙戝睍榪呴熺殑宓屽叆寮?font face="鏂囬紟錛幫棘綆涓シ, serif">Linux闇姹傝岃璁★紝璇劇▼鐩爣鏄瀛﹀憳杈懼埌閫傚簲宓屽叆寮忓簲鐢ㄨ蔣浠跺紑鍙戙佸祵鍏ュ紡緋葷粺寮鍙戞垨宓屽叆寮忛┍鍔ㄥ紑鍙戠殑鍩烘湰绱犺川銆?
璇劇▼寰簭娓愯繘鐨勫甫棰嗘?zhèn)ㄥ祵鍏ュ紡寮鍙戠殑涓栫晫錛岄噰鐢ㄤ簡鐩墠搴旂敤鏈騫挎硾鐨勮蔣紜歡寮鍙戝鉤鍙幫紙Linux鍜?font face="鏂囬紟錛幫棘綆涓シ, serif">Arm錛夛紝鍙互淇濊瘉鎮(zhèn)ㄥ敖閲忚創(chuàng)榪戠洰鍓嶄紒涓氶渶姹傘?/p>
瀛︿範姝ラ濡備笅錛氾紙涓姝ユ鏉ュ摝錛氾級
1銆丩inux
鍩虹
瀹夎Linux鎿嶄綔緋葷粺
Linux鏂囦歡緋葷粺
Linux甯哥敤鍛戒護
Linux鍚姩榪囩▼璇﹁В
鐔熸?zhèn)?font face="鏂囬紟錛幫棘綆涓シ, serif">Linux鏈嶅姟
鑳藉鐙珛瀹夎Linux鎿嶄綔緋葷粺
鑳藉鐔熺粌浣跨敤Linux緋葷粺鐨勫熀鏈懡浠?
璁よ瘑Linux緋葷粺鐨勫父鐢ㄦ湇鍔?
瀹夎Linux鎿嶄綔緋葷粺
Linux鍩烘湰鍛戒護瀹炶返
璁劇疆Linux鐜鍙橀噺
瀹氬埗Linux鐨勬湇鍔?
Shell 緙栫▼鍩虹
浣跨敤vi緙栬緫鏂囦歡
浣跨敤Emacs緙栬緫鏂囦歡
浣跨敤鍏朵粬緙栬緫鍣?
2銆丼hell 緙栫▼鍩虹
Shell綆浠?
璁よ瘑鍚庡彴紼嬪簭
Bash緙栫▼
鐔熸?zhèn)?font face="鏂囬紟錛幫棘綆涓シ, serif">Linux緋葷粺涓嬬殑緙栬緫鐜
鐔熸?zhèn)?font face="鏂囬紟錛幫棘綆涓シ, serif">Linux涓嬬殑鍚勭Shell
鐔熺粌榪涜shell緙栫▼
鐔熸?zhèn)?font face="鏂囬紟錛幫棘綆涓シ, serif">vi鍩烘湰鎿嶄綔
鐔熸?zhèn)?font face="鏂囬紟錛幫棘綆涓シ, serif">Emacs鐨勫熀鏈搷浣?
姣旇緝涓嶅悓shell鐨勫尯鍒?
緙栧啓涓涓祴璇曟湇鍔″櫒鏄惁榪為氱殑shell鑴氭湰紼嬪簭
緙栧啓涓涓煡鐪嬭繘紼嬫槸鍚﹀瓨鍦ㄧ殑shell鑴氭湰紼嬪簭
緙栧啓涓涓甫鏈夊驚鐜鍙ョ殑shell鑴氭湰紼嬪簭
3銆丩inux 涓嬬殑 C 緙栫▼鍩虹
linux
C璇█鐜姒傝堪
Gcc浣跨敤鏂規(guī)硶
Gdb璋冭瘯鎶鏈?
Autoconf
Automake
Makefile
浠g爜浼樺寲 鐔熸?zhèn)?font face="鏂囬紟錛幫棘綆涓シ, serif">Linux緋葷粺涓嬬殑寮鍙戠幆澧?
鐔熸?zhèn)?font face="鏂囬紟錛幫棘綆涓シ, serif">Gcc緙栬瘧鍣?
鐔熸?zhèn)?font face="鏂囬紟錛幫棘綆涓シ, serif">Makefile瑙勫垯
緙栧啓Hello,World紼嬪簭
浣跨敤
make鍛戒護緙栬瘧紼嬪簭
緙栧啓甯︽湁涓涓驚鐜殑紼嬪簭
璋冭瘯涓涓湁闂鐨勭▼搴?
4銆佸祵鍏ュ紡緋葷粺寮鍙戝熀紜
宓屽叆寮忕郴緇熸榪?
浜ゅ弶緙栬瘧
閰嶇疆TFTP鏈嶅姟
閰嶇疆NFS鏈嶅姟
涓嬭澆Bootloader鍜屽唴鏍?
宓屽叆寮?font face="鏂囬紟錛幫棘綆涓シ, serif">Linux搴旂敤杞歡寮鍙戞祦紼?br>鐔熸?zhèn)夊祵鍏ュ紡绯痪l熸蹇典互鍙婂紑鍙戞祦紼?
寤虹珛宓屽叆寮忕郴緇熷紑鍙戠幆澧?
鍒朵綔cross_gcc宸ュ叿閾?
緙栬瘧騫朵笅杞?font face="鏂囬紟錛幫棘綆涓シ, serif">U-boot
緙栬瘧騫朵笅杞?font face="鏂囬紟錛幫棘綆涓シ, serif">Linux鍐呮牳
緙栬瘧騫朵笅杞?font face="鏂囬紟錛幫棘綆涓シ, serif">Linux搴旂敤紼嬪簭
4銆佸祵鍏ュ紡緋葷粺縐繪
Linux鍐呮牳浠g爜
騫沖彴鐩稿叧浠g爜鍒嗘瀽
ARM騫沖彴浠嬬粛
騫沖彴縐繪鐨勫叧閿妧鏈?
縐繪Linux鍐呮牳鍒?
ARM騫沖彴 浜嗚В縐繪鐨勬蹇?
鑳藉縐繪Linux鍐呮牳
縐繪Linux2.6鍐呮牳鍒?
ARM9寮鍙戞澘
5銆佸祵鍏ュ紡 Linux 涓嬩覆鍙i氫俊
涓茶I/O鐨勫熀鏈蹇?
宓屽叆寮?font face="鏂囬紟錛幫棘綆涓シ, serif">Linux搴旂敤杞歡寮鍙戞祦紼?
Linux緋葷粺鐨勬枃浠跺拰璁懼
涓庢枃浠剁浉鍏崇殑緋葷粺璋冪敤
閰嶇疆瓚呯駭緇堢鍜?font face="鏂囬紟錛幫棘綆涓シ, serif">MiniCOM
鑳藉鐔熸?zhèn)墭q涜涓插彛閫氫俊
鐔熸?zhèn)夋枃錃gI/O
緙栧啓涓插彛閫氫俊紼嬪簭
緙栧啓澶氫覆鍙i氫俊紼嬪簭
6銆佸祵鍏ュ紡緋葷粺涓榪涚▼紼嬪簭璁捐
Linux緋葷粺榪涚▼姒傝堪
宓屽叆寮忕郴緇熺殑榪涚▼鐗圭偣
榪涚▼鎿嶄綔
瀹堟姢榪涚▼
鐩稿叧鐨勭郴緇熻皟鐢?
浜嗚ВLinux緋葷粺涓繘紼嬬殑姒傚康
鑳藉緙栧啓澶氳繘紼嬬▼搴?
緙栧啓澶氳繘紼嬬▼搴?
緙栧啓涓涓畧鎶よ繘紼嬬▼搴?
sleep緋葷粺璋冪敤
浠誨姟綆$悊銆佸悓姝ヤ笌閫氫俊 Linux浠誨姟姒傝堪
浠誨姟璋冨害
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緙栧啓MMC鍗¢┍鍔ㄧ▼搴?
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