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https://github.com/brain-hackers/u-boot-brain
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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>
48 lines
939 B
C
48 lines
939 B
C
/*
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* Copyright 2014 Freescale Semiconductor, Inc.
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*
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* FSL DCU Framebuffer driver
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#include <common.h>
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#include <fsl_dcu_fb.h>
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#include "div64.h"
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#include "../common/dcu_sii9022a.h"
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DECLARE_GLOBAL_DATA_PTR;
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unsigned int dcu_set_pixel_clock(unsigned int pixclock)
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{
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unsigned long long div;
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div = (unsigned long long)(gd->bus_clk / 1000);
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div *= (unsigned long long)pixclock;
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do_div(div, 1000000000);
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return div;
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}
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int platform_dcu_init(unsigned int xres, unsigned int yres,
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const char *port,
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struct fb_videomode *dcu_fb_videomode)
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{
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const char *name;
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unsigned int pixel_format;
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if (strncmp(port, "twr_lcd", 4) == 0) {
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name = "TWR_LCD_RGB card";
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} else {
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name = "HDMI";
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dcu_set_dvi_encoder(dcu_fb_videomode);
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}
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printf("DCU: Switching to %s monitor @ %ux%u\n", name, xres, yres);
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pixel_format = 32;
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fsl_dcu_init(xres, yres, pixel_format);
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return 0;
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}
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