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/cmd/ide.c

@@ -0,0 +1,171 @@
+/*
+ * (C) Copyright 2000-2011
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+/*
+ * IDE support
+ */
+
+#include <common.h>
+#include <blk.h>
+#include <config.h>
+#include <watchdog.h>
+#include <command.h>
+#include <image.h>
+#include <asm/byteorder.h>
+#include <asm/io.h>
+
+#if defined(CONFIG_IDE_8xx_DIRECT) || defined(CONFIG_IDE_PCMCIA)
+# include <pcmcia.h>
+#endif
+
+#include <ide.h>
+#include <ata.h>
+
+#ifdef CONFIG_STATUS_LED
+# include <status_led.h>
+#endif
+
+/* Current I/O Device	*/
+static int curr_device = -1;
+
+int do_ide(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
+{
+	int rcode = 0;
+
+	switch (argc) {
+	case 0:
+	case 1:
+		return CMD_RET_USAGE;
+	case 2:
+		if (strncmp(argv[1], "res", 3) == 0) {
+			puts("\nReset IDE"
+#ifdef CONFIG_IDE_8xx_DIRECT
+			     " on PCMCIA " PCMCIA_SLOT_MSG
+#endif
+			     ": ");
+
+			ide_init();
+			return 0;
+		} else if (strncmp(argv[1], "inf", 3) == 0) {
+			blk_list_devices(IF_TYPE_IDE);
+			return 0;
+
+		} else if (strncmp(argv[1], "dev", 3) == 0) {
+			if (blk_print_device_num(IF_TYPE_IDE, curr_device)) {
+				printf("\nno IDE devices available\n");
+				return CMD_RET_FAILURE;
+			}
+
+			return 0;
+		} else if (strncmp(argv[1], "part", 4) == 0) {
+			if (blk_list_part(IF_TYPE_IDE))
+				printf("\nno IDE devices available\n");
+			return 1;
+		}
+		return CMD_RET_USAGE;
+	case 3:
+		if (strncmp(argv[1], "dev", 3) == 0) {
+			int dev = (int)simple_strtoul(argv[2], NULL, 10);
+
+			if (!blk_show_device(IF_TYPE_IDE, dev)) {
+				curr_device = dev;
+				printf("... is now current device\n");
+			} else {
+				return CMD_RET_FAILURE;
+			}
+			return 0;
+		} else if (strncmp(argv[1], "part", 4) == 0) {
+			int dev = (int)simple_strtoul(argv[2], NULL, 10);
+
+			if (blk_print_part_devnum(IF_TYPE_IDE, dev)) {
+				printf("\nIDE device %d not available\n", dev);
+				return CMD_RET_FAILURE;
+			}
+			return 1;
+		}
+
+		return CMD_RET_USAGE;
+	default:
+		/* at least 4 args */
+
+		if (strcmp(argv[1], "read") == 0) {
+			ulong addr = simple_strtoul(argv[2], NULL, 16);
+			ulong cnt = simple_strtoul(argv[4], NULL, 16);
+			ulong n;
+
+#ifdef CONFIG_SYS_64BIT_LBA
+			lbaint_t blk = simple_strtoull(argv[3], NULL, 16);
+
+			printf("\nIDE read: device %d block # %lld, count %ld...",
+			       curr_device, blk, cnt);
+#else
+			lbaint_t blk = simple_strtoul(argv[3], NULL, 16);
+
+			printf("\nIDE read: device %d block # %ld, count %ld...",
+			       curr_device, blk, cnt);
+#endif
+
+			n = blk_read_devnum(IF_TYPE_IDE, curr_device, blk, cnt,
+					    (ulong *)addr);
+
+			printf("%ld blocks read: %s\n",
+			       n, (n == cnt) ? "OK" : "ERROR");
+			if (n == cnt)
+				return 0;
+			else
+				return 1;
+		} else if (strcmp(argv[1], "write") == 0) {
+			ulong addr = simple_strtoul(argv[2], NULL, 16);
+			ulong cnt = simple_strtoul(argv[4], NULL, 16);
+			ulong n;
+
+#ifdef CONFIG_SYS_64BIT_LBA
+			lbaint_t blk = simple_strtoull(argv[3], NULL, 16);
+
+			printf("\nIDE write: device %d block # %lld, count %ld...",
+			       curr_device, blk, cnt);
+#else
+			lbaint_t blk = simple_strtoul(argv[3], NULL, 16);
+
+			printf("\nIDE write: device %d block # %ld, count %ld...",
+			       curr_device, blk, cnt);
+#endif
+			n = blk_write_devnum(IF_TYPE_IDE, curr_device, blk, cnt,
+					     (ulong *)addr);
+
+			printf("%ld blocks written: %s\n", n,
+			       n == cnt ? "OK" : "ERROR");
+			if (n == cnt)
+				return 0;
+			else
+				return 1;
+		} else {
+			return CMD_RET_USAGE;
+		}
+
+		return rcode;
+	}
+}
+
+int do_diskboot(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
+{
+	return common_diskboot(cmdtp, "ide", argc, argv);
+}
+
+U_BOOT_CMD(ide, 5, 1, do_ide,
+	   "IDE sub-system",
+	   "reset - reset IDE controller\n"
+	   "ide info  - show available IDE devices\n"
+	   "ide device [dev] - show or set current device\n"
+	   "ide part [dev] - print partition table of one or all IDE devices\n"
+	   "ide read  addr blk# cnt\n"
+	   "ide write addr blk# cnt - read/write `cnt'"
+	   " blocks starting at block `blk#'\n"
+	   "    to/from memory address `addr'");
+
+U_BOOT_CMD(diskboot, 3, 1, do_diskboot,
+	   "boot from IDE device", "loadAddr dev:part");