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/board/renesas/rsk7203/Kconfig

@@ -0,0 +1,12 @@
+if TARGET_RSK7203
+
+config SYS_BOARD
+	default "rsk7203"
+
+config SYS_VENDOR
+	default "renesas"
+
+config SYS_CONFIG_NAME
+	default "rsk7203"
+
+endif

u-boot/board/renesas/rsk7203/MAINTAINERS

@@ -0,0 +1,7 @@
+RSK7203 BOARD
+M:	Nobuhiro Iwamatsu <iwamatsu.nobuhiro@renesas.com>
+M:	Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
+S:	Maintained
+F:	board/renesas/rsk7203/
+F:	include/configs/rsk7203.h
+F:	configs/rsk7203_defconfig

u-boot/board/renesas/rsk7203/Makefile

@@ -0,0 +1,10 @@
+#
+# Copyright (C) 2007,2008 Nobuhiro Iwamatsu
+# Copyright (C) 2008 Renesas Solutions Corp.
+#
+# u-boot/board/rsk7203/Makefile
+#
+# SPDX-License-Identifier:	GPL-2.0+
+
+obj-y	:= rsk7203.o
+obj-y	+= lowlevel_init.o

u-boot/board/renesas/rsk7203/lowlevel_init.S

@@ -0,0 +1,200 @@
+/*
+ * Copyright (C) 2008 Nobuhiro Iwamatsu
+ * Copyright (C) 2008 Renesas Solutions Corp.
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+#include <config.h>
+
+#include <asm/processor.h>
+#include <asm/macro.h>
+
+	.global	lowlevel_init
+
+	.text
+	.align	2
+
+lowlevel_init:
+	/* Cache setting */
+	write32	CCR1_A ,CCR1_D
+
+	/* ConfigurePortPins */
+	write16	PECRL3_A, PECRL3_D
+
+	write16	PCCRL4_A, PCCRL4_D0
+
+	write16	PECRL4_A, PECRL4_D0
+
+	write16	PEIORL_A, PEIORL_D0
+
+	write16	PCIORL_A, PCIORL_D
+
+	write16	PFCRH2_A, PFCRH2_D
+
+	write16	PFCRH3_A, PFCRH3_D
+
+	write16	PFCRH1_A, PFCRH1_D
+
+	write16	PFIORH_A, PFIORH_D
+
+	write16	PECRL1_A, PECRL1_D0
+
+	write16	PEIORL_A, PEIORL_D1
+
+	/* Configure Operating Frequency */
+	write16	WTCSR_A, WTCSR_D0
+
+	write16	WTCSR_A, WTCSR_D1
+
+	write16	WTCNT_A, WTCNT_D
+
+	/* Set clock mode*/
+	write16	FRQCR_A, FRQCR_D
+
+	/* Configure Bus And Memory */
+init_bsc_cs0:
+	write16	PCCRL4_A, PCCRL4_D1
+
+	write16	PECRL1_A, PECRL1_D1
+
+	write32	CMNCR_A, CMNCR_D
+
+	write32	CS0BCR_A, CS0BCR_D
+
+	write32	CS0WCR_A, CS0WCR_D
+
+init_bsc_cs1:
+	write16	PECRL4_A, PECRL4_D1
+
+	write32	CS1WCR_A, CS1WCR_D
+
+init_sdram:
+	write16	PCCRL2_A, PCCRL2_D
+
+	write16	PCCRL4_A, PCCRL4_D2
+
+	write16	PCCRL1_A, PCCRL1_D
+
+	write16	PCCRL3_A, PCCRL3_D
+
+	write32	CS3BCR_A, CS3BCR_D
+
+	write32	CS3WCR_A, CS3WCR_D
+
+	write32	SDCR_A, SDCR_D
+
+	write32	RTCOR_A, RTCOR_D
+
+	write32	RTCSR_A, RTCSR_D
+
+	/* wait 200us */
+	mov.l	REPEAT_D, r3
+	mov	#0, r2
+repeat0:
+	add	#1, r2
+	cmp/hs	r3, r2
+	bf	repeat0
+	nop
+
+	mov.l	SDRAM_MODE, r1
+	mov	#0, r0
+	mov.l	r0, @r1
+
+	nop
+	rts
+
+	.align 4
+
+CCR1_A:		.long CCR1
+CCR1_D:		.long 0x0000090B
+PCCRL4_A:	.long 0xFFFE3910
+PCCRL4_D0:	.word 0x0000
+.align 2
+PECRL4_A:	.long 0xFFFE3A10
+PECRL4_D0:	.word 0x0000
+.align 2
+PECRL3_A:	.long 0xFFFE3A12
+PECRL3_D:	.word 0x0000
+.align 2
+PEIORL_A:	.long 0xFFFE3A06
+PEIORL_D0:	.word 0x1C00
+PEIORL_D1:	.word 0x1C02
+PCIORL_A:	.long 0xFFFE3906
+PCIORL_D:	.word 0x4000
+.align 2
+PFCRH2_A:	.long 0xFFFE3A8C
+PFCRH2_D:	.word 0x0000
+.align 2
+PFCRH3_A:	.long 0xFFFE3A8A
+PFCRH3_D:	.word 0x0000
+.align 2
+PFCRH1_A:	.long 0xFFFE3A8E
+PFCRH1_D:	.word 0x0000
+.align 2
+PFIORH_A:	.long 0xFFFE3A84
+PFIORH_D:	.word 0x0729
+.align 2
+PECRL1_A:	.long 0xFFFE3A16
+PECRL1_D0:	.word 0x0033
+.align 2
+
+
+WTCSR_A:	.long 0xFFFE0000
+WTCSR_D0:	.word 0xA518
+WTCSR_D1:	.word 0xA51D
+WTCNT_A:	.long 0xFFFE0002
+WTCNT_D:	.word 0x5A84
+.align 2
+FRQCR_A:	.long 0xFFFE0010
+FRQCR_D:	.word 0x0104
+.align 2
+
+PCCRL4_D1:	.word 0x0010
+PECRL1_D1:	.word 0x0133
+
+CMNCR_A:	.long 0xFFFC0000
+CMNCR_D:	.long 0x00001810
+CS0BCR_A:	.long 0xFFFC0004
+CS0BCR_D:	.long 0x10000400
+CS0WCR_A:	.long 0xFFFC0028
+CS0WCR_D:	.long 0x00000B41
+PECRL4_D1:	.word 0x0100
+.align 2
+CS1WCR_A:	.long 0xFFFC002C
+CS1WCR_D:	.long 0x00000B01
+PCCRL4_D2:	.word 0x0011
+.align 2
+PCCRL3_A:	.long 0xFFFE3912
+PCCRL3_D:	.word 0x0011
+.align 2
+PCCRL2_A:	.long 0xFFFE3914
+PCCRL2_D:	.word 0x1111
+.align 2
+PCCRL1_A:	.long 0xFFFE3916
+PCCRL1_D:	.word 0x1010
+.align 2
+PDCRL4_A:	.long 0xFFFE3990
+PDCRL4_D:	.word 0x0011
+.align 2
+PDCRL3_A:	.long 0xFFFE3992
+PDCRL3_D:	.word 0x00011
+.align 2
+PDCRL2_A:	.long 0xFFFE3994
+PDCRL2_D:	.word 0x1111
+.align 2
+PDCRL1_A:	.long 0xFFFE3996
+PDCRL1_D:	.word 0x1000
+.align 2
+CS3BCR_A:	.long 0xFFFC0010
+CS3BCR_D:	.long 0x00004400
+CS3WCR_A:	.long 0xFFFC0034
+CS3WCR_D:	.long 0x00002892
+SDCR_A:		.long 0xFFFC004C
+SDCR_D:		.long 0x00000809
+RTCOR_A:	.long 0xFFFC0058
+RTCOR_D:	.long 0xA55A0041
+RTCSR_A:	.long 0xFFFC0050
+RTCSR_D:	.long 0xa55a0010
+
+SDRAM_MODE:	.long 0xFFFC5040
+REPEAT_D:	.long 0x00009C40

u-boot/board/renesas/rsk7203/rsk7203.c

@@ -0,0 +1,70 @@
+/*
+ * Copyright (C) 2008 Nobuhiro Iwamatsu
+ * Copyright (C) 2008 Renesas Solutions Corp.
+ *
+ * u-boot/board/rsk7203/rsk7203.c
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <net.h>
+#include <netdev.h>
+#include <asm/io.h>
+#include <asm/processor.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+int checkboard(void)
+{
+	puts("BOARD: Renesas Technology RSK7203\n");
+	return 0;
+}
+
+int board_init(void)
+{
+	return 0;
+}
+
+int dram_init(void)
+{
+	gd->bd->bi_memstart = CONFIG_SYS_SDRAM_BASE;
+	gd->bd->bi_memsize = CONFIG_SYS_SDRAM_SIZE;
+	printf("DRAM:  %dMB\n", CONFIG_SYS_SDRAM_SIZE / (1024 * 1024));
+	return 0;
+}
+
+void led_set_state(unsigned short value)
+{
+}
+
+/*
+ * The RSK board has the SMSC9118 wired up 'incorrectly'.
+ * Byte-swapping is necessary, and so poor performance is inevitable.
+ * This problem cannot evade by the swap function of CHIP, this can
+ * evade by software Byte-swapping.
+ * And this has problem by FIFO access only. pkt_data_pull/pkt_data_push
+ * functions necessary to solve this problem.
+ */
+u32 pkt_data_pull(struct eth_device *dev, u32 addr)
+{
+	volatile u16 *addr_16 = (u16 *)(dev->iobase + addr);
+	return (u32)((swab16(*addr_16) << 16) & 0xFFFF0000)\
+				| swab16(*(addr_16 + 1));
+}
+
+void pkt_data_push(struct eth_device *dev, u32 addr, u32 val)
+{
+	addr += dev->iobase;
+	*(volatile u16 *)(addr + 2) = swab16((u16)val);
+	*(volatile u16 *)(addr) = swab16((u16)(val >> 16));
+}
+
+int board_eth_init(bd_t *bis)
+{
+	int rc = 0;
+#ifdef CONFIG_SMC911X
+	rc = smc911x_initialize(0, CONFIG_SMC911X_BASE);
+#endif
+	return rc;
+}