Enable video backend engine

arch/arm/cpu/arm926ejs/cpu.c

@@ -16,8 +16,11 @@
 #include <command.h>
 #include <cpu_func.h>
 #include <irq_func.h>
+#include <linux/delay.h>
 #include <asm/cache.h>
 #include <asm/system.h>
+#include <asm/arch/lcdc.h>
+#include <asm/io.h>
 
 static void cache_flush(void);
 
@@ -41,6 +44,12 @@ int cleanup_before_linux (void)
 	/* flush I/D-cache */
 	cache_flush();
 
+	/* turn off video backend */
+    mdelay(50);
+    struct sunxi_lcdc_reg * const lcdc =
+        (struct sunxi_lcdc_reg *)SUNXI_LCD0_BASE;
+    writel(0, &lcdc->tcon0_cpu_intf);
+
 	return 0;
 }
 

arch/arm/dts/suniv-f1c100s.dtsi

@@ -107,6 +107,35 @@
 			interrupt-controller;
 			#interrupt-cells = <3>;
 			#gpio-cells = <3>;
+        pa: pa {
+            gpio-controller;
+            #gpio-cells = <2>;
+        }; 
+
+        pb: pb {
+            gpio-controller;
+            #gpio-cells = <2>;
+        };
+
+        pc: pc {
+            gpio-controller;
+            #gpio-cells = <2>;
+        };
+
+        pd: pd {
+            gpio-controller;
+            #gpio-cells = <2>;
+        };
+
+        pe: pe {
+            gpio-controller;
+            #gpio-cells = <2>;
+        };
+
+        pf: pf {
+            gpio-controller;
+            #gpio-cells = <2>;
+        };
 
 			spi0_pins_a: spi0-pins-pc {
 				pins = "PC0", "PC1", "PC2", "PC3";

arch/arm/lib/bootm.c

@@ -111,8 +111,14 @@ static void announce_and_cleanup(int fake)
 #endif
 
 	board_quiesce_devices();
-
-	printf("\nStarting kernel ...%s\n\n", fake ?
+	char *console_variant = env_get("CONSOLE_VARIANT");
+	if (console_variant)
+		printf("Console variant: %s\n", console_variant);
+    char *console_video = env_get("CONSOLE_VIDEO");
+    if (console_variant) {
+        printf("Console video: %s", console_video);
+        }
+	printf("\nStarting kernel ...%s", fake ?
 		"(fake run for tracing)" : "");
 	/*
 	 * Call remove function of all devices with a removal flag set.

common/splash.c

@@ -82,11 +82,9 @@ static inline int splash_video_logo_load(void) { return -ENOSYS; }
 
 __weak int splash_screen_prepare(void)
 {
-	if (CONFIG_IS_ENABLED(SPLASH_SOURCE))
-		return splash_source_load(default_splash_locations,
-					  ARRAY_SIZE(default_splash_locations));
+    return splash_source_load(default_splash_locations,
+                  ARRAY_SIZE(default_splash_locations));
 
-	return splash_video_logo_load();
 }
 
 #ifdef CONFIG_SPLASH_SCREEN_ALIGN

configs/miyoo_defconfig

@@ -2,22 +2,29 @@ CONFIG_ARM=y
 CONFIG_ARCH_SUNXI=y
 CONFIG_SYS_TEXT_BASE=0x81700000
 CONFIG_SPL=y
+CONFIG_IDENT_STRING="            Miyoo CFW 2.0"
 CONFIG_MACH_SUNIV=y
 CONFIG_DRAM_CLK=174
 CONFIG_DRAM_ZQ=0
 CONFIG_MMC_SUNXI_SLOT_EXTRA=1
-CONFIG_VIDEO_LCD_MODE="x:480,y:272,depth:18,pclk_khz:9000,le:39,ri:8,up:2,lo:4,hs:4,vs:10,sync:3,vmode:0"
+CONFIG_VIDEO_LCD_MODE="x:320,y:240,depth:18,pclk_khz:9000,le:39,ri:8,up:2,lo:4,hs:4,vs:10,sync:3,vmode:0"
 CONFIG_SPL_SPI_SUNXI=y
 CONFIG_BOOTDELAY=0
 CONFIG_USE_BOOTARGS=y
 CONFIG_BOOTARGS="console=tty0 console=ttyS1,115200 panic=5 rootwait quiet lpj=1015808 root=/dev/mmcblk0p2 ro"
-CONFIG_BOOTCOMMAND="setenv lcd_bl_pin 134; run distro_bootcmd;"
+CONFIG_BOOTCOMMAND="env export -t 0x81000000; fatwrite mmc 0:1 0x81000000 uEnv.txt ${filesize}; run distro_bootcmd;"
+CONFIG_DISABLE_CONSOLE=y
+CONFIG_SILENT_CONSOLE=y
+# CONFIG_DISPLAY_CPUINFO is not set
+# CONFIG_DISPLAY_BOARDINFO is not set
 CONFIG_CMD_DFU=y
 CONFIG_CMD_MTD=y
 CONFIG_CMD_USB_MASS_STORAGE=y
+CONFIG_CMD_BMP=y
 CONFIG_CMD_MTDPARTS=y
 CONFIG_DEFAULT_DEVICE_TREE="suniv-f1c100s-generic"
 # CONFIG_ENV_IS_IN_FAT is not set
+CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG=y
 # CONFIG_NET is not set
 CONFIG_DFU_TIMEOUT=y
 CONFIG_DFU_MMC=y
@@ -36,3 +43,5 @@ CONFIG_DM_SPI=y
 CONFIG_USB_MUSB_GADGET=y
 CONFIG_USB_GADGET_VBUS_DRAW=250
 CONFIG_USB_GADGET_DOWNLOAD=y
+# CONFIG_VIDEO_SW_CURSOR is not set
+# CONFIG_VIDEO_DT_SIMPLEFB is not set

drivers/video/sunxi/lcdc.c

@@ -46,6 +46,7 @@ void lcdc_init(struct sunxi_lcdc_reg * const lcdc)
 void lcdc_enable(struct sunxi_lcdc_reg * const lcdc, int depth)
 {
 	setbits_le32(&lcdc->ctrl, SUNXI_LCDC_CTRL_TCON_ENABLE);
+    setbits_le32(&lcdc->tcon0_cpu_intf, (1 << 28));
 #ifdef CONFIG_VIDEO_LCD_IF_LVDS
 	setbits_le32(&lcdc->tcon0_lvds_intf, SUNXI_LCDC_TCON0_LVDS_INTF_ENABLE);
 	setbits_le32(&lcdc->lvds_ana0, SUNXI_LCDC_LVDS_ANA0);
@@ -84,7 +85,7 @@ void lcdc_tcon0_mode_set(struct sunxi_lcdc_reg * const lcdc,
 
 	clk_delay = lcdc_get_clk_delay(mode, 0);
 	writel(SUNXI_LCDC_TCON0_CTRL_ENABLE |
-	       SUNXI_LCDC_TCON0_CTRL_CLK_DELAY(clk_delay), &lcdc->tcon0_ctrl);
+	       SUNXI_LCDC_TCON0_CTRL_CLK_DELAY(clk_delay) | (1 << 24), &lcdc->tcon0_ctrl);
 
 	writel(SUNXI_LCDC_TCON0_DCLK_ENABLE |
 	       SUNXI_LCDC_TCON0_DCLK_DIV(clk_div), &lcdc->tcon0_dclk);
@@ -107,7 +108,7 @@ void lcdc_tcon0_mode_set(struct sunxi_lcdc_reg * const lcdc,
 	       SUNXI_LCDC_Y(mode->vsync_len.typ), &lcdc->tcon0_timing_sync);
 
 	writel(0, &lcdc->tcon0_hv_intf);
-	writel(0, &lcdc->tcon0_cpu_intf);
+	writel((4 << 29) | (1 << 26), &lcdc->tcon0_cpu_intf);
 #endif
 #ifdef CONFIG_VIDEO_LCD_IF_LVDS
 	val = (depth == 18) ? 1 : 0;

drivers/video/sunxi/sunxi_display.c

@@ -464,9 +464,6 @@ static void lcd_init(void)
 
 	//Read device panel version
 	miyoo_ver = readID();
-	// write detected panel to SD to uEnv.txt file
-	run_command("env export -t 0x81000000", 0);
-	run_command("fatwrite mmc 0:1 0x81000000 uEnv.txt ${filesize}", 0);
 
 	switch (miyoo_ver) {
 	case 1:
@@ -1744,6 +1741,7 @@ static void sunxi_lcdc_panel_enable(void)
 
 	if (reset_pin >= 0)
 		gpio_direction_output(reset_pin, 1); /* De-assert reset */
+        sunxi_gpio_set_cfgpin(SUNXI_GPE(6), SUNXI_GPIO_OUTPUT);
 }
 
 static void sunxi_lcdc_backlight_enable(void)
@@ -2128,6 +2126,8 @@ static void sunxi_mode_set(const struct ctfb_res_modes *mode,
 			i2c_reg_write(0x5c, 0x04, 0x42); /* Turn on the LCD */
 			i2c_set_bus_num(orig_i2c_bus);
 		}
+        sunxi_lcdc_gpio_config();
+        lcd_init();
 		sunxi_composer_mode_set(mode, address);
 		sunxi_lcdc_tcon0_mode_set(mode, false);
 		sunxi_composer_enable();
@@ -2500,46 +2500,6 @@ void *video_hw_init(void)
 	graphic_device->winSizeX = mode->xres - 2 * overscan_x;
 	graphic_device->winSizeY = mode->yres - 2 * overscan_y;
 	graphic_device->plnSizeX = mode->xres * graphic_device->gdfBytesPP;
-
-	sunxi_lcdc_gpio_config();
-	lcd_init();
-
-	uint16_t bug=3;
-	bmp_logo = run_command("load mmc 0:1 0x80000000 miyoo-boot.bmp", 0);
-	if (bmp_logo == 0) {
-		load_bmp_logo();
-	}
-
-	while (bug--) {
-		uint16_t x, y;
-		if (bmp_logo == 0)
-			cnt = image_size;
-		else
-			cnt = 0;
-		if (miyoo_ver != 3)
-			lcd_wr_cmd(writeScreenReg);
-		for (y=0; y<240; y++) {
-			for (x=0; x<320; x++) {
-				if (bmp_logo == 0) {
-					cnt--;
-					lcd_wr_dat(p[cnt - 2 * (cnt % width) + width + data_offset - 1]);
-					if (cnt == 0)
-						cnt = image_size;
-				} else {
-					lcd_wr_dat(p[cnt++]);
-				}
-			}
-		}
-	}
-	console_variant = env_get("DETECTED_VERSION");
-	if (console_variant && miyoo_ver <= 4) { // panel ver 5 and 6 have different row/col registers
-		lcd_set_font(&t_8x12_full);
-		lcd_print("Detected device: ");
-		lcd_print(console_variant);
-	}
-
-	if (miyoo_ver != 3)
-		lcd_wr_cmd(writeScreenReg);
 	return graphic_device;
 }
 

include/configs/suniv.h

@@ -15,10 +15,14 @@
 #define CONFIG_SYS_DFU_DATA_BUF_SIZE (512*1024)
 
 #ifdef CONFIG_VIDEO
+#define CONFIG_VIDEO_LOGO
 #define CONFIG_BMP_16BPP
 #define CONFIG_BMP_24BPP
 #define CONFIG_BMP_32BPP
-#undef CONFIG_VIDEO_LOGO
+#define CONFIG_VIDEO_BMP_LOGO
+#define CONFIG_SPLASH_SCREEN
+#define CONFIG_SPLASH_SOURCE
+
 #endif
 
 #endif /* __CONFIG_H */

include/env_default.h

@@ -104,6 +104,10 @@ const uchar default_environment[] = {
 #ifdef CONFIG_SYS_SOC
 	"soc="		CONFIG_SYS_SOC			"\0"
 #endif
+	"splashfile=" "miyoo-splash.bmp" 	"\0"
+	"splashsource=" "mmc_fs" 	        "\0"
+	"splashimage=" "0x80000000"         "\0"
+	"silent=" "1" 			"\0"
 #endif
 #if defined(CONFIG_BOOTCOUNT_BOOTLIMIT) && (CONFIG_BOOTCOUNT_BOOTLIMIT > 0)
 	"bootlimit="	__stringify(CONFIG_BOOTCOUNT_BOOTLIMIT)"\0"

tools/Makefile

@@ -246,7 +246,7 @@ LOGO-$(CONFIG_VIDEO_LOGO) += $(LOGO_DATA_H)
 
 # Generic logo
 ifeq ($(LOGO_BMP),)
-LOGO_BMP= $(srctree)/$(src)/logos/denx.bmp
+LOGO_BMP= $(srctree)/$(src)/logos/miyoo.bmp
 
 # Use board logo and fallback to vendor
 ifneq ($(wildcard $(srctree)/$(src)/logos/$(BOARD).bmp),)