upstream u-boot with additional patches for our devices/boards: https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ; Gbit ethernet patch for some LIME2 revisions ; with SPI flash support
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u-boot/board/beckhoff/mx53cx9020/mx53cx9020_video.c

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1.1 KiB

/*
* Copyright (C) 2015 Beckhoff Automation GmbH & Co. KG
* Patrick Bruenn <p.bruenn@beckhoff.com>
*
* Based on <u-boot>/board/freescale/mx53loco/mx53loco_video.c
* Copyright (C) 2012 Freescale Semiconductor, Inc.
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <linux/list.h>
#include <asm/gpio.h>
#include <asm/arch/iomux-mx53.h>
#include <linux/fb.h>
#include <ipu_pixfmt.h>
#define CX9020_DVI_PWD IMX_GPIO_NR(6, 1)
static struct fb_videomode const vga_640x480 = {
.name = "VESA_VGA_640x480",
.refresh = 60,
.xres = 640,
.yres = 480,
.pixclock = 39721, /* picosecond (25.175 MHz) */
.left_margin = 40,
.right_margin = 60,
.upper_margin = 10,
.lower_margin = 10,
.hsync_len = 20,
.vsync_len = 10,
.sync = 0,
.vmode = FB_VMODE_NONINTERLACED
};
void setup_iomux_lcd(void)
{
/* Turn on DVI_PWD */
imx_iomux_v3_setup_pad(MX53_PAD_CSI0_DAT15__GPIO6_1);
gpio_direction_output(CX9020_DVI_PWD, 1);
}
int board_video_skip(void)
{
const int ret = ipuv3_fb_init(&vga_640x480, 0, IPU_PIX_FMT_RGB24);
if (ret)
printf("VESA VG 640x480 cannot be configured: %d\n", ret);
return ret;
}