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authorYe Li <ye.li@nxp.com>2017-03-07 11:29:11 +0800
committerYe Li <ye.li@nxp.com>2017-04-05 14:04:31 +0800
commit9c73b03d015c64346eacd9108e9958613b55a7ec (patch)
tree6741699440c9013e3dd74a37b3dced5ffa65cbe5 /board/freescale
parent31f302d313d3cfff064ad07ce39729037373d33a (diff)
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MLK-14365-2 mx6ullevk: Add LCD splash screen support
Add LCD configurations and TFT43AB display settings for mx6sllevk. Enable the CONFIG_VIDEO for this feature. Signed-off-by: Ye Li <ye.li@nxp.com>
Diffstat (limited to 'board/freescale')
-rw-r--r--board/freescale/mx6ullevk/mx6ullevk.c83
1 files changed, 83 insertions, 0 deletions
diff --git a/board/freescale/mx6ullevk/mx6ullevk.c b/board/freescale/mx6ullevk/mx6ullevk.c
index 489bf21..870869e 100644
--- a/board/freescale/mx6ullevk/mx6ullevk.c
+++ b/board/freescale/mx6ullevk/mx6ullevk.c
@@ -18,6 +18,8 @@
#include <fsl_esdhc.h>
#include <linux/sizes.h>
#include <mmc.h>
+#include <mxsfb.h>
+#include <asm/imx-common/video.h>
DECLARE_GLOBAL_DATA_PTR;
@@ -25,6 +27,9 @@ DECLARE_GLOBAL_DATA_PTR;
PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \
PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST | PAD_CTL_HYS)
+#define LCD_PAD_CTRL (PAD_CTL_HYS | PAD_CTL_PUS_100K_UP | PAD_CTL_PUE | \
+ PAD_CTL_PKE | PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm)
+
int dram_init(void)
{
gd->ram_size = imx_ddr_size();
@@ -52,6 +57,84 @@ int mmc_map_to_kernel_blk(int devno)
return devno;
}
+#ifdef CONFIG_VIDEO_MXS
+static iomux_v3_cfg_t const lcd_pads[] = {
+ MX6_PAD_LCD_CLK__LCDIF_CLK | MUX_PAD_CTRL(LCD_PAD_CTRL),
+ MX6_PAD_LCD_ENABLE__LCDIF_ENABLE | MUX_PAD_CTRL(LCD_PAD_CTRL),
+ MX6_PAD_LCD_HSYNC__LCDIF_HSYNC | MUX_PAD_CTRL(LCD_PAD_CTRL),
+ MX6_PAD_LCD_VSYNC__LCDIF_VSYNC | MUX_PAD_CTRL(LCD_PAD_CTRL),
+ MX6_PAD_LCD_DATA00__LCDIF_DATA00 | MUX_PAD_CTRL(LCD_PAD_CTRL),
+ MX6_PAD_LCD_DATA01__LCDIF_DATA01 | MUX_PAD_CTRL(LCD_PAD_CTRL),
+ MX6_PAD_LCD_DATA02__LCDIF_DATA02 | MUX_PAD_CTRL(LCD_PAD_CTRL),
+ MX6_PAD_LCD_DATA03__LCDIF_DATA03 | MUX_PAD_CTRL(LCD_PAD_CTRL),
+ MX6_PAD_LCD_DATA04__LCDIF_DATA04 | MUX_PAD_CTRL(LCD_PAD_CTRL),
+ MX6_PAD_LCD_DATA05__LCDIF_DATA05 | MUX_PAD_CTRL(LCD_PAD_CTRL),
+ MX6_PAD_LCD_DATA06__LCDIF_DATA06 | MUX_PAD_CTRL(LCD_PAD_CTRL),
+ MX6_PAD_LCD_DATA07__LCDIF_DATA07 | MUX_PAD_CTRL(LCD_PAD_CTRL),
+ MX6_PAD_LCD_DATA08__LCDIF_DATA08 | MUX_PAD_CTRL(LCD_PAD_CTRL),
+ MX6_PAD_LCD_DATA09__LCDIF_DATA09 | MUX_PAD_CTRL(LCD_PAD_CTRL),
+ MX6_PAD_LCD_DATA10__LCDIF_DATA10 | MUX_PAD_CTRL(LCD_PAD_CTRL),
+ MX6_PAD_LCD_DATA11__LCDIF_DATA11 | MUX_PAD_CTRL(LCD_PAD_CTRL),
+ MX6_PAD_LCD_DATA12__LCDIF_DATA12 | MUX_PAD_CTRL(LCD_PAD_CTRL),
+ MX6_PAD_LCD_DATA13__LCDIF_DATA13 | MUX_PAD_CTRL(LCD_PAD_CTRL),
+ MX6_PAD_LCD_DATA14__LCDIF_DATA14 | MUX_PAD_CTRL(LCD_PAD_CTRL),
+ MX6_PAD_LCD_DATA15__LCDIF_DATA15 | MUX_PAD_CTRL(LCD_PAD_CTRL),
+ MX6_PAD_LCD_DATA16__LCDIF_DATA16 | MUX_PAD_CTRL(LCD_PAD_CTRL),
+ MX6_PAD_LCD_DATA17__LCDIF_DATA17 | MUX_PAD_CTRL(LCD_PAD_CTRL),
+ MX6_PAD_LCD_DATA18__LCDIF_DATA18 | MUX_PAD_CTRL(LCD_PAD_CTRL),
+ MX6_PAD_LCD_DATA19__LCDIF_DATA19 | MUX_PAD_CTRL(LCD_PAD_CTRL),
+ MX6_PAD_LCD_DATA20__LCDIF_DATA20 | MUX_PAD_CTRL(LCD_PAD_CTRL),
+ MX6_PAD_LCD_DATA21__LCDIF_DATA21 | MUX_PAD_CTRL(LCD_PAD_CTRL),
+ MX6_PAD_LCD_DATA22__LCDIF_DATA22 | MUX_PAD_CTRL(LCD_PAD_CTRL),
+ MX6_PAD_LCD_DATA23__LCDIF_DATA23 | MUX_PAD_CTRL(LCD_PAD_CTRL),
+
+ /* LCD_RST */
+ MX6_PAD_SNVS_TAMPER9__GPIO5_IO09 | MUX_PAD_CTRL(NO_PAD_CTRL),
+
+ /* Use GPIO for Brightness adjustment, duty cycle = period. */
+ MX6_PAD_GPIO1_IO08__GPIO1_IO08 | MUX_PAD_CTRL(NO_PAD_CTRL),
+};
+
+void do_enable_parallel_lcd(struct display_info_t const *dev)
+{
+ enable_lcdif_clock(dev->bus, 1);
+
+ imx_iomux_v3_setup_multiple_pads(lcd_pads, ARRAY_SIZE(lcd_pads));
+
+ /* Reset the LCD */
+ gpio_request(IMX_GPIO_NR(5, 9), "lcd reset");
+ gpio_direction_output(IMX_GPIO_NR(5, 9) , 0);
+ udelay(500);
+ gpio_direction_output(IMX_GPIO_NR(5, 9) , 1);
+
+ /* Set Brightness to high */
+ gpio_request(IMX_GPIO_NR(1, 8), "backlight");
+ gpio_direction_output(IMX_GPIO_NR(1, 8) , 1);
+}
+
+struct display_info_t const displays[] = {{
+ .bus = MX6UL_LCDIF1_BASE_ADDR,
+ .addr = 0,
+ .pixfmt = 24,
+ .detect = NULL,
+ .enable = do_enable_parallel_lcd,
+ .mode = {
+ .name = "TFT43AB",
+ .xres = 480,
+ .yres = 272,
+ .pixclock = 108695,
+ .left_margin = 8,
+ .right_margin = 4,
+ .upper_margin = 2,
+ .lower_margin = 4,
+ .hsync_len = 41,
+ .vsync_len = 10,
+ .sync = 0,
+ .vmode = FB_VMODE_NONINTERLACED
+} } };
+size_t display_count = ARRAY_SIZE(displays);
+#endif
+
int board_early_init_f(void)
{
setup_iomux_uart();