1*20c700f8SFeng Li /*
2*20c700f8SFeng Li * Copyright 2016 Freescale Semiconductor, Inc.
3*20c700f8SFeng Li *
4*20c700f8SFeng Li * FSL DCU Framebuffer driver
5*20c700f8SFeng Li *
6*20c700f8SFeng Li * SPDX-License-Identifier: GPL-2.0+
7*20c700f8SFeng Li */
8*20c700f8SFeng Li
9*20c700f8SFeng Li #include <common.h>
10*20c700f8SFeng Li #include <fsl_dcu_fb.h>
11*20c700f8SFeng Li #include "div64.h"
12*20c700f8SFeng Li #include "../common/dcu_sii9022a.h"
13*20c700f8SFeng Li
14*20c700f8SFeng Li DECLARE_GLOBAL_DATA_PTR;
15*20c700f8SFeng Li
dcu_set_pixel_clock(unsigned int pixclock)16*20c700f8SFeng Li unsigned int dcu_set_pixel_clock(unsigned int pixclock)
17*20c700f8SFeng Li {
18*20c700f8SFeng Li unsigned long long div;
19*20c700f8SFeng Li
20*20c700f8SFeng Li div = (unsigned long long)(gd->bus_clk / 1000);
21*20c700f8SFeng Li div *= (unsigned long long)pixclock;
22*20c700f8SFeng Li do_div(div, 1000000000);
23*20c700f8SFeng Li
24*20c700f8SFeng Li return div;
25*20c700f8SFeng Li }
26*20c700f8SFeng Li
platform_dcu_init(unsigned int xres,unsigned int yres,const char * port,struct fb_videomode * dcu_fb_videomode)27*20c700f8SFeng Li int platform_dcu_init(unsigned int xres, unsigned int yres,
28*20c700f8SFeng Li const char *port,
29*20c700f8SFeng Li struct fb_videomode *dcu_fb_videomode)
30*20c700f8SFeng Li {
31*20c700f8SFeng Li const char *name;
32*20c700f8SFeng Li unsigned int pixel_format;
33*20c700f8SFeng Li
34*20c700f8SFeng Li if (strncmp(port, "twr_lcd", 4) == 0) {
35*20c700f8SFeng Li name = "TWR_LCD_RGB card";
36*20c700f8SFeng Li } else {
37*20c700f8SFeng Li name = "HDMI";
38*20c700f8SFeng Li dcu_set_dvi_encoder(dcu_fb_videomode);
39*20c700f8SFeng Li }
40*20c700f8SFeng Li
41*20c700f8SFeng Li printf("DCU: Switching to %s monitor @ %ux%u\n", name, xres, yres);
42*20c700f8SFeng Li
43*20c700f8SFeng Li pixel_format = 32;
44*20c700f8SFeng Li fsl_dcu_init(xres, yres, pixel_format);
45*20c700f8SFeng Li
46*20c700f8SFeng Li return 0;
47*20c700f8SFeng Li }
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