mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-14 17:07:38 +00:00
b4ecc8c6f8
This patch adds the TWR_LCD_RGB card/HDMI options and the common configuration for DCU on LS1021ATWR board. Signed-off-by: Alison Wang <alison.wang@freescale.com>
47 lines
939 B
C
47 lines
939 B
C
/*
|
|
* Copyright 2014 Freescale Semiconductor, Inc.
|
|
*
|
|
* FSL DCU Framebuffer driver
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0+
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <fsl_dcu_fb.h>
|
|
#include "div64.h"
|
|
#include "../common/dcu_sii9022a.h"
|
|
|
|
DECLARE_GLOBAL_DATA_PTR;
|
|
|
|
unsigned int dcu_set_pixel_clock(unsigned int pixclock)
|
|
{
|
|
unsigned long long div;
|
|
|
|
div = (unsigned long long)(gd->bus_clk / 1000);
|
|
div *= (unsigned long long)pixclock;
|
|
do_div(div, 1000000000);
|
|
|
|
return div;
|
|
}
|
|
|
|
int platform_dcu_init(unsigned int xres, unsigned int yres,
|
|
const char *port,
|
|
struct fb_videomode *dcu_fb_videomode)
|
|
{
|
|
const char *name;
|
|
unsigned int pixel_format;
|
|
|
|
if (strncmp(port, "twr_lcd", 4) == 0) {
|
|
name = "TWR_LCD_RGB card";
|
|
} else {
|
|
name = "HDMI";
|
|
dcu_set_dvi_encoder(dcu_fb_videomode);
|
|
}
|
|
|
|
printf("DCU: Switching to %s monitor @ %ux%u\n", name, xres, yres);
|
|
|
|
pixel_format = 32;
|
|
fsl_dcu_init(xres, yres, pixel_format);
|
|
|
|
return 0;
|
|
}
|