[PATCH 02/10] am335x, guardian: Enable splash screen
Gireesh.Hiremath at in.bosch.com
Gireesh.Hiremath at in.bosch.com
Wed Jan 6 16:31:48 CET 2021
From: Gireesh Hiremath <Gireesh.Hiremath at in.bosch.com>
- Display splash screen
- Print "U-Boot" on display when bmp fails to load due to any reason
Signed-off-by: Gireesh Hiremath <Gireesh.Hiremath at in.bosch.com>
---
board/bosch/guardian/board.c | 77 ++++++++++++++++++++++++++++++-
configs/am335x_guardian_defconfig | 5 +-
include/configs/am335x_guardian.h | 11 +++++
3 files changed, 91 insertions(+), 2 deletions(-)
diff --git a/board/bosch/guardian/board.c b/board/bosch/guardian/board.c
index a34262bd13..394c56d72e 100644
--- a/board/bosch/guardian/board.c
+++ b/board/bosch/guardian/board.c
@@ -29,12 +29,16 @@
#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;
@@ -270,6 +274,74 @@ 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;
@@ -287,6 +359,9 @@ int board_late_init(void)
}
lcdbacklight_en();
+#if IS_ENABLED(CONFIG_AM335X_LCD)
+ splash_screen();
+#endif
return 0;
}
#endif /* CONFIG_BOARD_LATE_INIT */
diff --git a/configs/am335x_guardian_defconfig b/configs/am335x_guardian_defconfig
index b7170cd79e..48b9bf45a4 100644
--- a/configs/am335x_guardian_defconfig
+++ b/configs/am335x_guardian_defconfig
@@ -1,7 +1,7 @@
CONFIG_ARM=y
CONFIG_ARCH_CPU_INIT=y
CONFIG_ARCH_OMAP2PLUS=y
-CONFIG_SPL_GPIO_SUPPORT=y
+# CONFIG_SPL_GPIO_SUPPORT is not set
CONFIG_SPL_LIBCOMMON_SUPPORT=y
CONFIG_SPL_LIBGENERIC_SUPPORT=y
CONFIG_ENV_SIZE=0x40000
@@ -50,6 +50,7 @@ CONFIG_CMD_MTD=y
CONFIG_CMD_NAND=y
CONFIG_CMD_USB=y
# CONFIG_CMD_SETEXPR is not set
+CONFIG_CMD_BMP=y
CONFIG_CMD_EXT4_WRITE=y
CONFIG_CMD_MTDPARTS=y
CONFIG_MTDPARTS_DEFAULT="mtdparts=nand.0:256k(SPL),256k(SPL.backup1),256k(SPL.backup2),256k(SPL.backup3),1m(u-boot),1m(u-boot.backup1),1m(u-boot-2),1m(u-boot-2.backup1),256k(u-boot-env),256k(u-boot-env.backup1),256k(splash-screen),-(UBI)"
@@ -100,6 +101,8 @@ CONFIG_USB_GADGET_MANUFACTURER="Texas Instruments"
CONFIG_USB_GADGET_VENDOR_NUM=0x0451
CONFIG_USB_GADGET_PRODUCT_NUM=0xd022
CONFIG_USB_ETHER=y
+CONFIG_VIDEO_BPP16=y
+CONFIG_SYS_WHITE_ON_BLACK=y
CONFIG_AM335X_LCD=y
CONFIG_SPL_WDT=y
# CONFIG_SPL_USE_TINY_PRINTF is not set
diff --git a/include/configs/am335x_guardian.h b/include/configs/am335x_guardian.h
index 236be1a093..1a14b4249d 100644
--- a/include/configs/am335x_guardian.h
+++ b/include/configs/am335x_guardian.h
@@ -81,6 +81,17 @@
#endif /* ! CONFIG_SPL_BUILD */
+#define CONFIG_BMP_16BPP
+#define SPLASH_SCREEN_NAND_PART "nand0,10"
+#define SPLASH_SCREEN_BMP_FILE_SIZE 0x26000
+#define SPLASH_SCREEN_BMP_LOAD_ADDR 0x82000000
+#define SPLASH_SCREEN_TEXT "U-Boot"
+
+/* BGR 16Bit Color Definitions */
+#define CONSOLE_COLOR_BLACK 0x0000
+#define CONSOLE_COLOR_WHITE 0xFFFF
+#define CONSOLE_COLOR_RED 0x001F
+
/* NS16550 Configuration */
#define CONFIG_SYS_NS16550_COM1 0x44e09000 /* UART0 */
#define CONFIG_SYS_NS16550_COM2 0x48022000 /* UART1 */
--
2.20.1
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