mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-05 20:54:31 +00:00
20c700f8da
The patch adds support for Freescale ls1021a-iot board. Signed-off-by: Feng Li <feng.li_2@nxp.com> [YS: rewrite commit message, fix whitespace in Kconfig] Reviewed-by: York Sun <york.sun@nxp.com>
47 lines
927 B
C
47 lines
927 B
C
/*
|
|
* Copyright 2016 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;
|
|
}
|