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author | 2023-10-10 14:33:42 +0000 | |
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committer | 2023-10-10 14:33:42 +0000 | |
commit | af1a266670d040d2f4083ff309d732d648afba2a (patch) | |
tree | 2fc46203448ddcc6f81546d379abfaeb323575e9 /roms/u-boot/board/freescale/ls1021atwr/dcu.c | |
parent | e02cda008591317b1625707ff8e115a4841aa889 (diff) |
Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
Diffstat (limited to 'roms/u-boot/board/freescale/ls1021atwr/dcu.c')
-rw-r--r-- | roms/u-boot/board/freescale/ls1021atwr/dcu.c | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/roms/u-boot/board/freescale/ls1021atwr/dcu.c b/roms/u-boot/board/freescale/ls1021atwr/dcu.c new file mode 100644 index 000000000..7bf283e3d --- /dev/null +++ b/roms/u-boot/board/freescale/ls1021atwr/dcu.c @@ -0,0 +1,48 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright 2014 Freescale Semiconductor, Inc. + * + * FSL DCU Framebuffer driver + */ + +#include <common.h> +#include <fsl_dcu_fb.h> +#include <asm/global_data.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(struct fb_info *fbinfo, + 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(fbinfo, xres, yres, pixel_format); + + return 0; +} |