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/sparc/cpu/leon3/memcfg.h

@@ -0,0 +1,90 @@
+/* GRLIB Memory controller setup structures
+ *
+ * (C) Copyright 2010, 2015
+ * Daniel Hellstrom, Cobham Gaisler, daniel@gaisler.com.
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#ifndef __MEMCFG_H__
+#define __MEMCFG_H__
+
+/*********** Low Level Memory Controller Initalization ***********/
+
+#ifndef __ASSEMBLER__
+
+struct grlib_mctrl_handler;
+
+typedef void (*mctrl_handler_t)(
+	struct grlib_mctrl_handler *dev,
+	void *conf,
+	unsigned int ioarea
+	);
+
+/* Memory Controller Handler Structure */
+struct grlib_mctrl_handler {
+	unsigned char	type;		/* 0x00. MASK: AHB MST&SLV, APB SLV */
+	char		index;		/* 0x01. Unit number, 0, 1, 2... */
+	char		unused[2];	/* 0x02 */
+	unsigned int	ven_dev;	/* 0x04. Device and Vendor */
+	mctrl_handler_t	func;		/* 0x08. Memory Controller Handler */
+	void		*priv;		/* 0x0c. Optional private data, ptr to
+					 * info how to set up controller */
+};
+
+extern struct grlib_mctrl_handler grlib_mctrl_handlers[];
+
+#endif
+
+#define MH_STRUCT_SIZE		(4*4)
+#define MH_TYPE			0x00
+#define MH_INDEX		0x01
+#define MH_VENDOR_DEVICE	0x04
+#define MH_FUNC			0x08
+#define MH_PRIV			0x0c
+
+#define MH_TYPE_NONE	DEV_NONE
+#define MH_TYPE_AHB_MST	DEV_AHB_MST
+#define MH_TYPE_AHB_SLV	DEV_AHB_SLV
+#define MH_TYPE_APB_SLV	DEV_APB_SLV
+
+#define MH_UNUSED	{0, 0}
+#define MH_END		{DEV_NONE, 0, MH_UNUSED, AMBA_PNP_ID(0, 0), 0, 0}
+
+/*********** Low Level Memory Controller Initalization Handlers ***********/
+
+#ifndef __ASSEMBLER__
+extern void _nomem_mctrl_init(
+	struct grlib_mctrl_handler *dev,
+	void *conf,
+	unsigned int ioarea_apbmst);
+
+struct mctrl_setup {
+	unsigned int reg_mask;		/* Which registers to write */
+	struct {
+		unsigned int mask;	/* Mask used keep reg bits unchanged */
+		unsigned int value;	/* Value written to register */
+	} regs[8];
+};
+
+extern void _nomem_ahbmctrl_init(
+	struct grlib_mctrl_handler *dev,
+	void *conf,
+	unsigned int ioarea_apbmst);
+
+struct ahbmctrl_setup {
+	int ahb_mbar_no;		/* MBAR to get register address from */
+	unsigned int reg_mask;		/* Which registers to write */
+	struct {
+		unsigned int mask;	/* Mask used keep reg bits unchanged */
+		unsigned int value;	/* Value written to register */
+	} regs[8];
+};
+#endif
+
+/* mctrl_setup data structure defines */
+#define NREGS_OFS 0
+#define REGS_OFS 0x4
+#define REGS_SIZE 8
+
+#endif