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/xes/common/fsl_8xxx_pci.c

@@ -0,0 +1,72 @@
+/*
+ * Copyright 2008 Extreme Engineering Solutions, Inc.
+ * Copyright 2007-2008 Freescale Semiconductor, Inc.
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <pci.h>
+#include <asm/fsl_pci.h>
+#include <asm/fsl_serdes.h>
+#include <asm/io.h>
+#include <linux/compiler.h>
+#include <libfdt.h>
+#include <fdt_support.h>
+
+
+#ifdef CONFIG_PCI1
+static struct pci_controller pci1_hose;
+#endif
+
+void pci_init_board(void)
+{
+	int first_free_busno = 0;
+
+#ifdef CONFIG_PCI1
+	int pcie_ep;
+	struct fsl_pci_info pci_info;
+	volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
+	u32 devdisr = in_be32(&gur->devdisr);
+	uint pci_spd_norm = in_be32(&gur->pordevsr) & MPC85xx_PORDEVSR_PCI1_SPD;
+	uint pci_32 = in_be32(&gur->pordevsr) & MPC85xx_PORDEVSR_PCI1_PCI32;
+	uint pci_arb = in_be32(&gur->pordevsr) & MPC85xx_PORDEVSR_PCI1_ARB;
+	uint pcix = in_be32(&gur->pordevsr) & MPC85xx_PORDEVSR_PCI1;
+	uint freq = CONFIG_SYS_CLK_FREQ / 1000 / 1000;
+
+	if (!(devdisr & MPC85xx_DEVDISR_PCI1)) {
+		SET_STD_PCI_INFO(pci_info, 1);
+		set_next_law(pci_info.mem_phys,
+			law_size_bits(pci_info.mem_size), pci_info.law);
+		set_next_law(pci_info.io_phys,
+			law_size_bits(pci_info.io_size), pci_info.law);
+
+		pcie_ep = fsl_setup_hose(&pci1_hose, pci_info.regs);
+		printf("PCI1: %d bit %s, %s %d MHz, %s, %s\n",
+			pci_32 ? 32 : 64,
+			pcix ? "PCIX" : "PCI",
+			pci_spd_norm ? ">=" : "<=",
+			pcix ? freq * 2 : freq,
+			pcie_ep ? "agent" : "host",
+			pci_arb ? "arbiter" : "external-arbiter");
+
+		first_free_busno = fsl_pci_init_port(&pci_info,
+					&pci1_hose, first_free_busno);
+	} else {
+		printf("PCI1: disabled\n");
+	}
+#elif defined CONFIG_MPC8548
+	volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
+	/* PCI1 not present on MPC8572 */
+	setbits_be32(&gur->devdisr, MPC85xx_DEVDISR_PCI1);
+#endif
+
+	fsl_pcie_init_board(first_free_busno);
+}
+
+#if defined(CONFIG_OF_BOARD_SETUP)
+void ft_board_pci_setup(void *blob, bd_t *bd)
+{
+	FT_FSL_PCI_SETUP;
+}
+#endif /* CONFIG_OF_BOARD_SETUP */