diff options
| author | Gireesh Hiremath <Gireesh.Hiremath@in.bosch.com> | 2021-06-11 16:13:47 +0000 | 
|---|---|---|
| committer | Lokesh Vutla <lokeshvutla@ti.com> | 2021-07-15 17:56:03 +0530 | 
| commit | 9cd380ef5ff668b5850429f3fbcf141af4eb2202 (patch) | |
| tree | 1ad2494546cde0988d5e9c58004cdcd3601ae336 /board/bosch/guardian/board.c | |
| parent | e81e8af98f16186339860985f43ccc98fde53c58 (diff) | |
am335x, guardian: Enable panel driver Himax HX8238D
- Enable lcd controller
- Display splash screen
Signed-off-by: Gireesh Hiremath <Gireesh.Hiremath@in.bosch.com>
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Link: https://lore.kernel.org/r/20210611161350.2141-16-Gireesh.Hiremath@in.bosch.com
Diffstat (limited to 'board/bosch/guardian/board.c')
| -rw-r--r-- | board/bosch/guardian/board.c | 87 | 
1 files changed, 86 insertions, 1 deletions
| diff --git a/board/bosch/guardian/board.c b/board/bosch/guardian/board.c index 4388ef70d25..179511a6707 100644 --- a/board/bosch/guardian/board.c +++ b/board/bosch/guardian/board.c @@ -26,12 +26,16 @@  #include <asm/arch/gpio.h>  #include <asm/arch/hardware.h>  #include <asm/arch/mem-guardian.h> -#include <asm/arch/mmc_host_def.h>  #include <asm/arch/omap.h>  #include <asm/arch/sys_proto.h>  #include <asm/emif.h>  #include <asm/gpio.h>  #include <asm/io.h> +#include <jffs2/load_kernel.h> +#include <mtd.h> +#include <nand.h> +#include <video.h> +#include <video_console.h>  #include "board.h"  DECLARE_GLOBAL_DATA_PTR; @@ -250,13 +254,94 @@ void lcdbacklight_en(void)  			   brightness != 0 ? 0x0A : 0x02, 0xFF);  } +#if IS_ENABLED(CONFIG_AM335X_LCD) +static void splash_screen(void) +{ +	struct udevice *video_dev; +	struct udevice *console_dev; +	struct video_priv *vid_priv; +	struct mtd_info *mtd; +	size_t len; +	int ret; + +	struct mtd_device *mtd_dev; +	struct part_info  *part; +	u8 pnum; + +	ret = uclass_get_device(UCLASS_VIDEO, 0, &video_dev); +	if (ret != 0) { +		debug("video device not found\n"); +		goto exit; +	} + +	vid_priv = dev_get_uclass_priv(video_dev); +	mtdparts_init(); + +	if (find_dev_and_part(SPLASH_SCREEN_NAND_PART, &mtd_dev, &pnum, &part))	{ +		debug("Could not find nand partition\n"); +		goto splash_screen_text; +	} + +	mtd = get_nand_dev_by_index(mtd_dev->id->num); +	if (!mtd) { +		debug("MTD partition is not valid\n"); +		goto splash_screen_text; +	} + +	len = SPLASH_SCREEN_BMP_FILE_SIZE; +	ret = nand_read_skip_bad(mtd, part->offset, &len, NULL, +				 SPLASH_SCREEN_BMP_FILE_SIZE, +				 (u_char *)SPLASH_SCREEN_BMP_LOAD_ADDR); +	if (ret != 0) { +		debug("Reading NAND partition failed\n"); +		goto splash_screen_text; +	} + +	ret = video_bmp_display(video_dev, SPLASH_SCREEN_BMP_LOAD_ADDR, 0, 0, false); +	if (ret != 0) { +		debug("No valid bmp image found!!\n"); +		goto splash_screen_text; +	} else { +		goto exit; +	} + +splash_screen_text: +	vid_priv->colour_fg = CONSOLE_COLOR_RED; +	vid_priv->colour_bg = CONSOLE_COLOR_BLACK; + +	if (!uclass_first_device_err(UCLASS_VIDEO_CONSOLE, &console_dev)) { +		debug("Found console\n"); +		vidconsole_position_cursor(console_dev, 17, 7); +		vidconsole_put_string(console_dev, SPLASH_SCREEN_TEXT); +	} else { +		debug("No console device found\n"); +	} + +exit: +	return; +} +#endif /* CONFIG_AM335X_LCD */ +  int board_late_init(void)  { +	int ret; +	struct udevice *cdev; +  #ifdef CONFIG_LED_GPIO  	led_default_state();  #endif  	set_bootmode_env(); + +	ret = uclass_get_device(UCLASS_PANEL, 0, &cdev); +	if (ret) { +		debug("video panel not found: %d\n", ret); +		return ret; +	} +  	lcdbacklight_en(); +	if (IS_ENABLED(CONFIG_AM335X_LCD)) +		splash_screen(); +  	return 0;  }  #endif /* CONFIG_BOARD_LATE_INIT */ | 
