1 /* 2 * Copyright 2007 Freescale Semiconductor, Inc. 3 * York Sun <yorksun@freescale.com> 4 * 5 * FSL DIU Framebuffer driver 6 * 7 * See file CREDITS for list of people who contributed to this 8 * project. 9 * 10 * This program is free software; you can redistribute it and/or 11 * modify it under the terms of the GNU General Public License as 12 * published by the Free Software Foundation; either version 2 of 13 * the License, or (at your option) any later version. 14 * 15 * This program is distributed in the hope that it will be useful, 16 * but WITHOUT ANY WARRANTY; without even the implied warranty of 17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18 * GNU General Public License for more details. 19 * 20 * You should have received a copy of the GNU General Public License 21 * along with this program; if not, write to the Free Software 22 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, 23 * MA 02111-1307 USA 24 */ 25 26 #include <common.h> 27 #include <command.h> 28 #include <asm/io.h> 29 30 #ifdef CONFIG_FSL_DIU_FB 31 32 #include "../common/pixis.h" 33 #include "../common/fsl_diu_fb.h" 34 35 36 extern unsigned int FSL_Logo_BMP[]; 37 38 39 void mpc8610hpcd_diu_init(void) 40 { 41 char *monitor_port; 42 int xres, gamma_fix; 43 unsigned int pixel_format; 44 unsigned char tmp_val; 45 46 tmp_val = in8(PIXIS_BASE + PIXIS_BRDCFG0); 47 monitor_port = getenv ("monitor"); 48 49 if (!strncmp(monitor_port, "0", 1)) { /* 0 - DVI */ 50 xres = 1280; 51 pixel_format = 0x88882317; 52 gamma_fix = 0; 53 out8(PIXIS_BASE + PIXIS_BRDCFG0, tmp_val | 0x08); 54 55 } else if (!strncmp(monitor_port, "1", 1)) { /* 1 - Single link LVDS */ 56 xres = 1024; 57 pixel_format = 0x88883316; 58 gamma_fix = 0; 59 out8(PIXIS_BASE + PIXIS_BRDCFG0, (tmp_val & 0xf7) | 0x10); 60 61 } else if (!strncmp(monitor_port, "2", 1)) { /* 2 - Double link LVDS */ 62 xres = 1280; 63 pixel_format = 0x88883316; 64 gamma_fix = 1; 65 out8(PIXIS_BASE + PIXIS_BRDCFG0, tmp_val & 0xe7); 66 67 } else { /* DVI */ 68 xres = 1280; 69 pixel_format = 0x88882317; 70 gamma_fix = 0; 71 out8(PIXIS_BASE + PIXIS_BRDCFG0, tmp_val | 0x08); 72 } 73 74 fsl_diu_init(xres, pixel_format, gamma_fix, 75 (unsigned char *)FSL_Logo_BMP); 76 } 77 78 int mpc8610diu_init_show_bmp(cmd_tbl_t *cmdtp, 79 int flag, int argc, char *argv[]) 80 { 81 unsigned int addr; 82 83 if (argc < 2) { 84 printf ("Usage:\n%s\n", cmdtp->usage); 85 return 1; 86 } 87 88 if (!strncmp(argv[1],"init",4)) { 89 mpc8610hpcd_diu_init(); 90 } else { 91 addr = simple_strtoul(argv[1], NULL, 16); 92 fsl_diu_clear_screen(); 93 fsl_diu_display_bmp((unsigned char *)addr, 0, 0, 0); 94 } 95 96 return 0; 97 } 98 99 U_BOOT_CMD( 100 diufb, CFG_MAXARGS, 1, mpc8610diu_init_show_bmp, 101 "diufb init | addr - Init or Display BMP file\n", 102 "init\n - initialize DIU\n" 103 "addr\n - display bmp at address 'addr'\n" 104 ); 105 #endif /* CONFIG_FSL_DIU_FB */ 106