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/arm/include/asm/arch-meson/gxbb.h

@@ -0,0 +1,52 @@
+/*
+ * (C) Copyright 2016 - Beniamino Galvani <b.galvani@gmail.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#ifndef __GXBB_H__
+#define __GXBB_H__
+
+#define GXBB_PERIPHS_BASE	0xc8834400
+#define GXBB_HIU_BASE		0xc883c000
+#define GXBB_ETH_BASE		0xc9410000
+
+/* Peripherals registers */
+#define GXBB_PERIPHS_ADDR(off)	(GXBB_PERIPHS_BASE + ((off) << 2))
+
+/* GPIO registers 0 to 6 */
+#define _GXBB_GPIO_OFF(n)	((n) == 6 ? 0x08 : 0x0c + 3 * (n))
+#define GXBB_GPIO_EN(n)		GXBB_PERIPHS_ADDR(_GXBB_GPIO_OFF(n) + 0)
+#define GXBB_GPIO_IN(n)		GXBB_PERIPHS_ADDR(_GXBB_GPIO_OFF(n) + 1)
+#define GXBB_GPIO_OUT(n)	GXBB_PERIPHS_ADDR(_GXBB_GPIO_OFF(n) + 2)
+
+/* Pinmux registers 0 to 12 */
+#define GXBB_PINMUX(n)		GXBB_PERIPHS_ADDR(0x2c + (n))
+
+#define GXBB_ETH_REG_0		GXBB_PERIPHS_ADDR(0x50)
+#define GXBB_ETH_REG_1		GXBB_PERIPHS_ADDR(0x51)
+
+#define GXBB_ETH_REG_0_PHY_INTF		BIT(0)
+#define GXBB_ETH_REG_0_TX_PHASE(x)	(((x) & 3) << 5)
+#define GXBB_ETH_REG_0_TX_RATIO(x)	(((x) & 7) << 7)
+#define GXBB_ETH_REG_0_PHY_CLK_EN	BIT(10)
+#define GXBB_ETH_REG_0_CLK_EN		BIT(12)
+
+/* HIU registers */
+#define GXBB_HIU_ADDR(off)	(GXBB_HIU_BASE + ((off) << 2))
+
+#define GXBB_MEM_PD_REG_0	GXBB_HIU_ADDR(0x40)
+
+/* Ethernet memory power domain */
+#define GXBB_MEM_PD_REG_0_ETH_MASK	(BIT(2) | BIT(3))
+
+/* Clock gates */
+#define GXBB_GCLK_MPEG_0	GXBB_HIU_ADDR(0x50)
+#define GXBB_GCLK_MPEG_1	GXBB_HIU_ADDR(0x51)
+#define GXBB_GCLK_MPEG_2	GXBB_HIU_ADDR(0x52)
+#define GXBB_GCLK_MPEG_OTHER	GXBB_HIU_ADDR(0x53)
+#define GXBB_GCLK_MPEG_AO	GXBB_HIU_ADDR(0x54)
+
+#define GXBB_GCLK_MPEG_1_ETH	BIT(3)
+
+#endif /* __GXBB_H__ */

u-boot/arch/arm/include/asm/arch-meson/sm.h

@@ -0,0 +1,12 @@
+/*
+ * (C) Copyright 2016 - Beniamino Galvani <b.galvani@gmail.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#ifndef __MESON_SM_H__
+#define __MESON_SM_H__
+
+ssize_t meson_sm_read_efuse(uintptr_t offset, void *buffer, size_t size);
+
+#endif /* __MESON_SM_H__ */