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/dnp5370.h

@@ -0,0 +1,117 @@
+/*
+ * U-Boot - Configuration file for SSV DNP5370 board
+ */
+
+#ifndef __CONFIG_DNP5370_H__
+#define __CONFIG_DNP5370_H__
+
+/* this must come first */
+#include <asm/config-pre.h>
+
+/*
+ * Processor Settings
+ */
+#define CONFIG_BFIN_CPU       bf537-0.3
+#define CONFIG_BFIN_BOOT_MODE BFIN_BOOT_BYPASS
+
+/*
+ * Clock Settings
+ *	CCLK = (CLKIN * VCO_MULT) / CCLK_DIV
+ *	SCLK = (CLKIN * VCO_MULT) / SCLK_DIV
+ */
+#define CONFIG_CLKIN_HZ                 25000000
+#define CONFIG_CLKIN_HALF               0
+#define CONFIG_PLL_BYPASS               0
+#define CONFIG_VCO_MULT                 24
+#define CONFIG_CCLK_DIV                 1
+#define CONFIG_SCLK_DIV                 5
+
+/*
+ * Memory Settings
+ */
+#define CONFIG_MEM_ADD_WDTH     9
+#define CONFIG_MEM_SIZE         32
+
+#define CONFIG_EBIU_SDRRC_VAL   0x03a0
+#define CONFIG_EBIU_SDBCTL_VAL  0x0013
+#define CONFIG_EBIU_SDGCTL_VAL  0x8091998d
+
+#define CONFIG_EBIU_AMGCTL_VAL  0xF7
+#define CONFIG_EBIU_AMBCTL0_VAL 0x7BB07BB0
+#define CONFIG_EBIU_AMBCTL1_VAL 0xFFC27BB0
+
+#define CONFIG_SYS_MONITOR_LEN  (256 * 1024)
+#define CONFIG_SYS_MALLOC_LEN   (128 * 1024)
+
+/*
+ * Network Settings
+ */
+#ifndef __ADSPBF534__
+#define CONFIG_ROOTPATH        "/romfs"
+
+#define CONFIG_BFIN_MAC         1
+#define CONFIG_PHY_ADDR         0
+#define CONFIG_RMII             1
+
+#endif
+
+/*
+ * Flash Settings
+ *
+ * Only 3 MB of the 4 MB NOR flash are addressable.
+ * But limiting the flash size does not seem to work.
+ * It seems the CFI detection has precedence.
+ */
+#define CONFIG_FLASH_CFI_DRIVER
+#define CONFIG_SYS_FLASH_BASE       0x20000000
+#define CONFIG_SYS_FLASH_CFI
+#define CONFIG_SYS_FLASH_PROTECTION
+#define CONFIG_SYS_MAX_FLASH_BANKS  1
+#define CONFIG_SYS_MAX_FLASH_SECT   71 /* (M29W320EB) */
+
+/* 512k reserved for u-boot */
+#define CONFIG_SYS_JFFS2_FIRST_SECTOR 15
+
+/*
+ * Env Storage Settings
+ */
+#define CONFIG_ENV_IS_IN_FLASH     1
+#define CONFIG_ENV_ADDR       0x20004000
+#define CONFIG_ENV_SIZE       0x00002000
+#define CONFIG_ENV_SECT_SIZE  0x00002000 /* Total Size of Environment Sector */
+#define CONFIG_ENV_OFFSET     0x00004000 /* (CONFIG_ENV_ADDR - CONFIG_FLASH_BASE) */
+
+#define ENV_IS_EMBEDDED
+#define LDS_BOARD_TEXT \
+	arch/blackfin/lib/built-in.o (.text*); \
+	arch/blackfin/cpu/built-in.o (.text*); \
+	. = DEFINED(env_offset) ? env_offset : .; \
+	common/env_embedded.o (.text*);
+
+/*
+ * Misc Settings
+ */
+#define CONFIG_CMD_STRINGS
+#define CONFIG_MISC_INIT_R
+#define CONFIG_RTC_BFIN
+#define CONFIG_SYS_LONGHELP
+
+/* This disables the hardware watchdog (not inside the bfin) */
+#define CONFIG_DNP5370_EXT_WD_DISABLE 1
+
+#define CONFIG_UART_CONSOLE 0
+#define CONFIG_BFIN_SERIAL
+#define CONFIG_BAUDRATE     115200
+#define CONFIG_BOOTCOMMAND  "bootm 0x20030000"
+#define CONFIG_BOOTARGS     "console=ttyBF0,115200 root=/dev/mtdblock3 rootfstype=ext2"
+
+/* Convenience commands to update Linux in NOR flash */
+#define CONFIG_EXTRA_ENV_SETTINGS \
+	"fetchme=tftpboot 0x01000000 uImage;" \
+		"iminfo\0" \
+	"flashme=protect off 0x20030000 0x2003ffff;" \
+		"erase 0x20030000 0x202effff;" \
+		"cp.b 0x01000000 0x20030000 0x2c0000\0" \
+	"runme=bootm 0x01000000\0"
+
+#endif