1 files changed, 59 insertions, 0 deletions

diff --git a/board/freescale/mx51evk/mx51evk.c b/board/freescale/mx51evk/mx51evk.c
index b505a71054..bc7f05796c 100644
--- a/board/freescale/mx51evk/mx51evk.c
+++ b/board/freescale/mx51evk/mx51evk.c
@@ -36,6 +36,12 @@
 #include <fsl_pmic.h>
 #include <mc13892.h>
 #include <usb/ehci-fsl.h>
+#include <linux/fb.h>
+#include <ipu_pixfmt.h>
+
+#define MX51EVK_LCD_3V3		(3 * 32 + 9)	/* GPIO4_9 */
+#define MX51EVK_LCD_5V		(3 * 32 + 10)	/* GPIO4_10 */
+#define MX51EVK_LCD_BACKLIGHT	(2 * 32 + 4)	/* GPIO3_4 */
 
 DECLARE_GLOBAL_DATA_PTR;
 
@@ -453,6 +459,54 @@ int board_mmc_init(bd_t *bis)
 }
 #endif
 
+static struct fb_videomode claa_wvga = {
+	.name		= "CLAA07LC0ACW",
+	.refresh	= 57,
+	.xres		= 800,
+	.yres		= 480,
+	.pixclock	= 37037,
+	.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 lcd_iomux(void)
+{
+	/* DI2_PIN15 */
+	mxc_request_iomux(MX51_PIN_DI_GP4, IOMUX_CONFIG_ALT4);
+
+	/* Pad settings for MX51_PIN_DI2_DISP_CLK */
+	mxc_iomux_set_pad(MX51_PIN_DI2_DISP_CLK, PAD_CTL_HYS_NONE |
+			  PAD_CTL_PKE_ENABLE | PAD_CTL_PUE_KEEPER |
+			  PAD_CTL_DRV_MAX | PAD_CTL_SRE_SLOW);
+
+	/* Turn on 3.3V voltage for LCD */
+	mxc_request_iomux(MX51_PIN_CSI2_D12, IOMUX_CONFIG_ALT3);
+	gpio_direction_output(MX51EVK_LCD_3V3, 1);
+
+	/* Turn on 5V voltage for LCD */
+	mxc_request_iomux(MX51_PIN_CSI2_D13, IOMUX_CONFIG_ALT3);
+	gpio_direction_output(MX51EVK_LCD_5V, 1);
+
+	/* Turn on GPIO backlight */
+	mxc_request_iomux(MX51_PIN_DI1_D1_CS, IOMUX_CONFIG_ALT4);
+	mxc_iomux_set_input(MX51_GPIO3_IPP_IND_G_IN_4_SELECT_INPUT,
+							INPUT_CTL_PATH1);
+	gpio_direction_output(MX51EVK_LCD_BACKLIGHT, 1);
+}
+
+void lcd_enable(void)
+{
+	int ret = mx51_fb_init(&claa_wvga, 1, IPU_PIX_FMT_RGB565);
+	if (ret)
+		printf("LCD cannot be configured: %d\n", ret);
+}
+
 int board_early_init_f(void)
 {
 	setup_iomux_uart();
@@ -460,6 +514,7 @@ int board_early_init_f(void)
 #ifdef CONFIG_USB_EHCI_MX5
 	setup_usb_h1();
 #endif
+	lcd_iomux();
 
 	return 0;
 }
@@ -469,6 +524,8 @@ int board_init(void)
 	/* address of boot parameters */
 	gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
 
+	lcd_enable();
+
 	return 0;
 }
 
@@ -479,6 +536,8 @@ int board_late_init(void)
 	setup_iomux_spi();
 	power_init();
 #endif
+	setenv("stdout", "serial");
+
 	return 0;
 }
 #endif