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-pxa/regs-uart.h

@@ -0,0 +1,96 @@
+/*
+ * Copyright (C) 2011 Marek Vasut <marek.vasut@gmail.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#ifndef	__REGS_UART_H__
+#define	__REGS_UART_H__
+
+#define	FFUART_BASE		0x40100000
+#define	BTUART_BASE		0x40200000
+#define	STUART_BASE		0x40700000
+#define	HWUART_BASE		0x41600000
+
+struct pxa_uart_regs {
+	union {
+		uint32_t	thr;
+		uint32_t	rbr;
+		uint32_t	dll;
+	};
+	union {
+		uint32_t	ier;
+		uint32_t	dlh;
+	};
+	union {
+		uint32_t	fcr;
+		uint32_t	iir;
+	};
+	uint32_t	lcr;
+	uint32_t	mcr;
+	uint32_t	lsr;
+	uint32_t	msr;
+	uint32_t	spr;
+	uint32_t	isr;
+};
+
+#define	IER_DMAE	(1 << 7)
+#define	IER_UUE		(1 << 6)
+#define	IER_NRZE	(1 << 5)
+#define	IER_RTIOE	(1 << 4)
+#define	IER_MIE		(1 << 3)
+#define	IER_RLSE	(1 << 2)
+#define	IER_TIE		(1 << 1)
+#define	IER_RAVIE	(1 << 0)
+
+#define	IIR_FIFOES1	(1 << 7)
+#define	IIR_FIFOES0	(1 << 6)
+#define	IIR_TOD		(1 << 3)
+#define	IIR_IID2	(1 << 2)
+#define	IIR_IID1	(1 << 1)
+#define	IIR_IP		(1 << 0)
+
+#define	FCR_ITL2	(1 << 7)
+#define	FCR_ITL1	(1 << 6)
+#define	FCR_RESETTF	(1 << 2)
+#define	FCR_RESETRF	(1 << 1)
+#define	FCR_TRFIFOE	(1 << 0)
+#define	FCR_ITL_1	0
+#define	FCR_ITL_8	(FCR_ITL1)
+#define	FCR_ITL_16	(FCR_ITL2)
+#define	FCR_ITL_32	(FCR_ITL2|FCR_ITL1)
+
+#define	LCR_DLAB	(1 << 7)
+#define	LCR_SB		(1 << 6)
+#define	LCR_STKYP	(1 << 5)
+#define	LCR_EPS		(1 << 4)
+#define	LCR_PEN		(1 << 3)
+#define	LCR_STB		(1 << 2)
+#define	LCR_WLS1	(1 << 1)
+#define	LCR_WLS0	(1 << 0)
+
+#define	LSR_FIFOE	(1 << 7)
+#define	LSR_TEMT	(1 << 6)
+#define	LSR_TDRQ	(1 << 5)
+#define	LSR_BI		(1 << 4)
+#define	LSR_FE		(1 << 3)
+#define	LSR_PE		(1 << 2)
+#define	LSR_OE		(1 << 1)
+#define	LSR_DR		(1 << 0)
+
+#define	MCR_LOOP	(1 << 4)
+#define	MCR_OUT2	(1 << 3)
+#define	MCR_OUT1	(1 << 2)
+#define	MCR_RTS		(1 << 1)
+#define	MCR_DTR		(1 << 0)
+
+#define	MSR_DCD		(1 << 7)
+#define	MSR_RI		(1 << 6)
+#define	MSR_DSR		(1 << 5)
+#define	MSR_CTS		(1 << 4)
+#define	MSR_DDCD	(1 << 3)
+#define	MSR_TERI	(1 << 2)
+#define	MSR_DDSR	(1 << 1)
+#define	MSR_DCTS	(1 << 0)
+
+#endif	/* __REGS_UART_H__ */