1 // SPDX-License-Identifier: GPL-2.0+ 2 /* 3 * Copyright 2014 Freescale Semiconductor, Inc. 4 * 5 * FSL DCU Framebuffer driver 6 */ 7 8 #include <common.h> 9 #include <fsl_dcu_fb.h> 10 #include "div64.h" 11 #include "../common/dcu_sii9022a.h" 12 13 DECLARE_GLOBAL_DATA_PTR; 14 15 unsigned int dcu_set_pixel_clock(unsigned int pixclock) 16 { 17 unsigned long long div; 18 19 div = (unsigned long long)(gd->bus_clk / 1000); 20 div *= (unsigned long long)pixclock; 21 do_div(div, 1000000000); 22 23 return div; 24 } 25 26 int platform_dcu_init(unsigned int xres, unsigned int yres, 27 const char *port, 28 struct fb_videomode *dcu_fb_videomode) 29 { 30 const char *name; 31 unsigned int pixel_format; 32 33 if (strncmp(port, "twr_lcd", 4) == 0) { 34 name = "TWR_LCD_RGB card"; 35 } else { 36 name = "HDMI"; 37 dcu_set_dvi_encoder(dcu_fb_videomode); 38 } 39 40 printf("DCU: Switching to %s monitor @ %ux%u\n", name, xres, yres); 41 42 pixel_format = 32; 43 fsl_dcu_init(xres, yres, pixel_format); 44 45 return 0; 46 } 47
