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author | Feng Li <feng.li_2@nxp.com> | 2016-11-03 14:15:17 +0800 |
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committer | York Sun <york.sun@nxp.com> | 2016-11-21 09:20:32 -0800 |
commit | 20c700f8daee0b3995c5a6d2c5f69eef1c7acd4e (patch) | |
tree | 43d4381dfa0cf1358610dff19a5c482815478749 /board/freescale/ls1021aiot/dcu.c | |
parent | 21640db51b905aa9bee75a01ca89446ce4795ff1 (diff) | |
download | u-boot-imx-20c700f8daee0b3995c5a6d2c5f69eef1c7acd4e.zip u-boot-imx-20c700f8daee0b3995c5a6d2c5f69eef1c7acd4e.tar.gz u-boot-imx-20c700f8daee0b3995c5a6d2c5f69eef1c7acd4e.tar.bz2 |
armv7: Add support of ls1021a-iot board
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>
Diffstat (limited to 'board/freescale/ls1021aiot/dcu.c')
-rw-r--r-- | board/freescale/ls1021aiot/dcu.c | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/board/freescale/ls1021aiot/dcu.c b/board/freescale/ls1021aiot/dcu.c new file mode 100644 index 0000000..e27647f --- /dev/null +++ b/board/freescale/ls1021aiot/dcu.c @@ -0,0 +1,47 @@ +/* + * 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; +} |