avionic design with actual uboot and tooling

submodule of avionic design uboot bootloader and with included tools to
get you started , read readme.md and readme-tk1-loader.md

u-boot/include/configs/at91sam9rlek.h

@@ -0,0 +1,188 @@
+/*
+ * (C) Copyright 2007-2008
+ * Stelian Pop <stelian@popies.net>
+ * Lead Tech Design <www.leadtechdesign.com>
+ *
+ * Configuation settings for the AT91SAM9RLEK board.
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#ifndef __CONFIG_H
+#define __CONFIG_H
+
+#include <asm/hardware.h>
+
+#define CONFIG_SYS_TEXT_BASE		0x21F00000
+
+/* ARM asynchronous clock */
+#define CONFIG_SYS_AT91_SLOW_CLOCK	32768		/* slow clock xtal */
+#define CONFIG_SYS_AT91_MAIN_CLOCK	12000000	/* main clock xtal */
+
+#define CONFIG_AT91SAM9RLEK		1	/* It's an AT91SAM9RLEK Board */
+
+#define CONFIG_ARCH_CPU_INIT
+#define CONFIG_SKIP_LOWLEVEL_INIT
+#define CONFIG_BOARD_EARLY_INIT_F
+
+#define CONFIG_CMDLINE_TAG		1	/* enable passing of ATAGs */
+#define CONFIG_SETUP_MEMORY_TAGS	1
+#define CONFIG_INITRD_TAG		1
+
+#define CONFIG_DISPLAY_CPUINFO
+
+#define CONFIG_ATMEL_LEGACY
+#define CONFIG_AT91_GPIO		1
+#define CONFIG_AT91_GPIO_PULLUP		1
+
+/*
+ * Hardware drivers
+ */
+
+/* serial console */
+#define CONFIG_ATMEL_USART
+#define CONFIG_USART_BASE		ATMEL_BASE_DBGU
+#define CONFIG_USART_ID			ATMEL_ID_SYS
+#define CONFIG_BAUDRATE			115200
+
+/* LCD */
+#define CONFIG_LCD			1
+#define LCD_BPP				LCD_COLOR8
+#define CONFIG_LCD_LOGO			1
+#undef LCD_TEST_PATTERN
+#define CONFIG_LCD_INFO			1
+#define CONFIG_LCD_INFO_BELOW_LOGO	1
+#define CONFIG_SYS_WHITE_ON_BLACK	1
+#define CONFIG_ATMEL_LCD		1
+#define CONFIG_ATMEL_LCD_RGB565		1
+/* Let board_init_f handle the framebuffer allocation */
+#undef CONFIG_FB_ADDR
+#define CONFIG_SYS_CONSOLE_IS_IN_ENV	1
+
+/* LED */
+#define CONFIG_AT91_LED
+#define	CONFIG_RED_LED		AT91_PIN_PD14	/* this is the power led */
+#define	CONFIG_GREEN_LED	AT91_PIN_PD15	/* this is the user1 led */
+#define	CONFIG_YELLOW_LED	AT91_PIN_PD16	/* this is the user2 led */
+
+
+/*
+ * Command line configuration.
+ */
+
+#define CONFIG_CMD_NAND			1
+
+/* SDRAM */
+#define CONFIG_NR_DRAM_BANKS		1
+#define CONFIG_SYS_SDRAM_BASE		ATMEL_BASE_CS1
+#define CONFIG_SYS_SDRAM_SIZE		0x04000000
+
+#define CONFIG_SYS_INIT_SP_ADDR \
+	(ATMEL_BASE_SRAM + 0x1000 - GENERATED_GBL_DATA_SIZE)
+
+/* DataFlash */
+#define CONFIG_ATMEL_DATAFLASH_SPI
+#define CONFIG_HAS_DATAFLASH			1
+#define CONFIG_SYS_MAX_DATAFLASH_BANKS		1
+#define CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0	0xC0000000	/* CS0 */
+#define AT91_SPI_CLK				15000000
+#define DATAFLASH_TCSS				(0x1a << 16)
+#define DATAFLASH_TCHS				(0x1 << 24)
+
+/* NOR flash - not present */
+#define CONFIG_SYS_NO_FLASH			1
+
+/* NAND flash */
+#ifdef CONFIG_CMD_NAND
+#define CONFIG_NAND_ATMEL
+#define CONFIG_SYS_MAX_NAND_DEVICE		1
+#define CONFIG_SYS_NAND_BASE			ATMEL_BASE_CS3
+#define CONFIG_SYS_NAND_DBW_8			1
+/* our ALE is AD21 */
+#define CONFIG_SYS_NAND_MASK_ALE		(1 << 21)
+/* our CLE is AD22 */
+#define CONFIG_SYS_NAND_MASK_CLE		(1 << 22)
+#define CONFIG_SYS_NAND_ENABLE_PIN		AT91_PIN_PB6
+#define CONFIG_SYS_NAND_READY_PIN		AT91_PIN_PD17
+
+#endif
+
+/* MMC */
+
+#ifdef CONFIG_CMD_MMC
+#define CONFIG_MMC
+#define CONFIG_GENERIC_MMC
+#define CONFIG_GENERIC_ATMEL_MCI
+#define CONFIG_DOS_PARTITION
+#endif
+
+/* Ethernet - not present */
+
+/* USB - not supported */
+
+#define CONFIG_SYS_LOAD_ADDR			0x22000000	/* load address */
+
+#define CONFIG_SYS_MEMTEST_START		CONFIG_SYS_SDRAM_BASE
+#define CONFIG_SYS_MEMTEST_END			0x23e00000
+
+#ifdef CONFIG_SYS_USE_DATAFLASH
+
+/* bootstrap + u-boot + env + linux in dataflash on CS0 */
+#define CONFIG_ENV_IS_IN_DATAFLASH	1
+#define CONFIG_SYS_MONITOR_BASE	(CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 + 0x8400)
+#define CONFIG_ENV_OFFSET		0x4200
+#define CONFIG_ENV_ADDR		(CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 + CONFIG_ENV_OFFSET)
+#define CONFIG_ENV_SIZE		0x4200
+#define CONFIG_BOOTCOMMAND	"cp.b 0xC0084000 0x22000000 0x210000; bootm"
+#define CONFIG_BOOTARGS		"console=ttyS0,115200 " \
+				"root=/dev/mtdblock0 " \
+				"mtdparts=atmel_nand:-(root) "\
+				"rw rootfstype=jffs2"
+
+#elif CONFIG_SYS_USE_NANDFLASH
+
+/* bootstrap + u-boot + env + linux in nandflash */
+#define CONFIG_ENV_IS_IN_NAND		1
+#define CONFIG_ENV_OFFSET		0xc0000
+#define CONFIG_ENV_OFFSET_REDUND	0x100000
+#define CONFIG_ENV_SIZE		0x20000		/* 1 sector = 128 kB */
+#define CONFIG_BOOTCOMMAND	"nand read 0x22000000 0x200000 0x600000; "	\
+				"nand read 0x21000000 0x180000 0x80000; "	\
+				"bootz 0x22000000 - 0x21000000"
+#define CONFIG_BOOTARGS		\
+				"console=ttyS0,115200 earlyprintk "				\
+				"mtdparts=atmel_nand:256k(bootstrap)ro,512k(uboot)ro,"		\
+				"256K(env),256k(env_redundent),256k(spare),"			\
+				"512k(dtb),6M(kernel)ro,-(rootfs) "				\
+				"rootfstype=ubifs ubi.mtd=7 root=ubi0:rootfs"
+
+#else /* CONFIG_SYS_USE_MMC */
+
+/* bootstrap + u-boot + env + linux in mmc */
+#define CONFIG_ENV_IS_IN_FAT
+#define CONFIG_FAT_WRITE
+#define FAT_ENV_INTERFACE	"mmc"
+#define FAT_ENV_FILE		"uboot.env"
+#define FAT_ENV_DEVICE_AND_PART	"0"
+#define CONFIG_ENV_SIZE		0x4000
+#define CONFIG_BOOTCOMMAND	"fatload mmc 0:1 0x21000000 at91sam9rlek.dtb; " \
+				"fatload mmc 0:1 0x22000000 zImage; " \
+				"bootz 0x22000000 - 0x21000000"
+#define CONFIG_BOOTARGS		"console=ttyS0,115200 " \
+				"mtdparts=atmel_nand:" \
+				"8M(bootstrap/uboot/kernel)ro,-(rootfs) " \
+				"root=/dev/mmcblk0p2 rw rootwait"
+#endif
+
+#define CONFIG_SYS_CBSIZE		256
+#define CONFIG_SYS_MAXARGS		16
+#define CONFIG_SYS_LONGHELP		1
+#define CONFIG_CMDLINE_EDITING		1
+#define CONFIG_AUTO_COMPLETE
+
+/*
+ * Size of malloc() pool
+ */
+#define CONFIG_SYS_MALLOC_LEN	ROUND(3 * CONFIG_ENV_SIZE + 128*1024, 0x1000)
+
+#endif