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/arch/powerpc/include/asm/status_led.h

@@ -0,0 +1,77 @@
+/*
+ * asm/status_led.h
+ *
+ * MPC8xx/MPC8260/MPC5xx based status led support functions
+ */
+
+#ifndef __ASM_STATUS_LED_H__
+#define __ASM_STATUS_LED_H__
+
+/* if not overriden */
+#ifndef CONFIG_BOARD_SPECIFIC_LED
+# if defined(CONFIG_8xx)
+#  include <mpc8xx.h>
+# elif defined(CONFIG_MPC8260)
+#  include <mpc8260.h>
+# elif defined(CONFIG_5xx)
+#  include <mpc5xx.h>
+# else
+#  error CPU specific Status LED header file missing.
+#endif
+
+/* led_id_t is unsigned long mask */
+typedef unsigned long led_id_t;
+
+static inline void __led_init (led_id_t mask, int state)
+{
+	volatile immap_t *immr = (immap_t *) CONFIG_SYS_IMMR;
+
+#ifdef STATUS_LED_PAR
+	immr->STATUS_LED_PAR &= ~mask;
+#endif
+#ifdef STATUS_LED_ODR
+	immr->STATUS_LED_ODR &= ~mask;
+#endif
+
+#if (STATUS_LED_ACTIVE == 0)
+	if (state == STATUS_LED_ON)
+		immr->STATUS_LED_DAT &= ~mask;
+	else
+		immr->STATUS_LED_DAT |= mask;
+#else
+	if (state == STATUS_LED_ON)
+		immr->STATUS_LED_DAT |= mask;
+	else
+		immr->STATUS_LED_DAT &= ~mask;
+#endif
+#ifdef STATUS_LED_DIR
+	immr->STATUS_LED_DIR |= mask;
+#endif
+}
+
+static inline void __led_toggle (led_id_t mask)
+{
+	((immap_t *) CONFIG_SYS_IMMR)->STATUS_LED_DAT ^= mask;
+}
+
+static inline void __led_set (led_id_t mask, int state)
+{
+	volatile immap_t *immr = (immap_t *) CONFIG_SYS_IMMR;
+
+#if (STATUS_LED_ACTIVE == 0)
+	if (state == STATUS_LED_ON)
+		immr->STATUS_LED_DAT &= ~mask;
+	else
+		immr->STATUS_LED_DAT |= mask;
+#else
+	if (state == STATUS_LED_ON)
+		immr->STATUS_LED_DAT |= mask;
+	else
+		immr->STATUS_LED_DAT &= ~mask;
+#endif
+
+}
+
+#endif
+
+#endif	/* __ASM_STATUS_LED_H__ */