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/sh/include/asm/pci.h

@@ -0,0 +1,32 @@
+/*
+ * SH4 PCI Controller (PCIC) for U-Boot.
+ * (C) Dustin McIntire (dustin@sensoria.com)
+ * (C) 2007,2008 Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
+ * (C) 2008 Yusuke Goda <goda.yusuke@renesas.com>
+ *
+ * u-boot/include/asm-sh/pci.h
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+#ifndef _ASM_PCI_H_
+#define _ASM_PCI_H_
+
+#include <pci.h>
+#if defined(CONFIG_SH7751_PCI)
+int pci_sh7751_init(struct pci_controller *hose);
+#elif defined(CONFIG_SH7780_PCI)
+int pci_sh7780_init(struct pci_controller *hose);
+#else
+#error "Not support PCI."
+#endif
+
+int pci_sh4_init(struct pci_controller *hose);
+/* PCI dword read for sh4 */
+int pci_sh4_read_config_dword(struct pci_controller *hose,
+		pci_dev_t dev, int offset, u32 *value);
+
+/* PCI dword write for sh4 */
+int pci_sh4_write_config_dword(struct pci_controller *hose,
+		pci_dev_t dev, int offset, u32 value);
+
+#endif	/* _ASM_PCI_H_ */