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>
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;
+}