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/isee/igep00x0/igep00x0.c

@@ -0,0 +1,214 @@
+/*
+ * (C) Copyright 2010
+ * ISEE 2007 SL, <www.iseebcn.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+#include <common.h>
+#include <status_led.h>
+#include <dm.h>
+#include <ns16550.h>
+#include <twl4030.h>
+#include <netdev.h>
+#include <asm/gpio.h>
+#include <asm/io.h>
+#include <asm/arch/mem.h>
+#include <asm/arch/mmc_host_def.h>
+#include <asm/arch/mux.h>
+#include <asm/arch/sys_proto.h>
+#include <asm/mach-types.h>
+#include "igep00x0.h"
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#if defined(CONFIG_CMD_NET)
+/* GPMC definitions for LAN9221 chips */
+static const u32 gpmc_lan_config[] = {
+	NET_LAN9221_GPMC_CONFIG1,
+	NET_LAN9221_GPMC_CONFIG2,
+	NET_LAN9221_GPMC_CONFIG3,
+	NET_LAN9221_GPMC_CONFIG4,
+	NET_LAN9221_GPMC_CONFIG5,
+	NET_LAN9221_GPMC_CONFIG6,
+};
+#endif
+
+static const struct ns16550_platdata igep_serial = {
+	.base = OMAP34XX_UART3,
+	.reg_shift = 2,
+	.clock = V_NS16550_CLK
+};
+
+U_BOOT_DEVICE(igep_uart) = {
+	"ns16550_serial",
+	&igep_serial
+};
+
+/*
+ * Routine: board_init
+ * Description: Early hardware init.
+ */
+int board_init(void)
+{
+	gpmc_init(); /* in SRAM or SDRAM, finish GPMC */
+	/* boot param addr */
+	gd->bd->bi_boot_params = (OMAP34XX_SDRC_CS0 + 0x100);
+
+#if defined(CONFIG_STATUS_LED) && defined(STATUS_LED_BOOT)
+	status_led_set(STATUS_LED_BOOT, STATUS_LED_ON);
+#endif
+
+	return 0;
+}
+
+#ifdef CONFIG_SPL_BUILD
+/*
+ * Routine: omap_rev_string
+ * Description: For SPL builds output board rev
+ */
+void omap_rev_string(void)
+{
+}
+
+/*
+ * Routine: get_board_mem_timings
+ * Description: If we use SPL then there is no x-loader nor config header
+ * so we have to setup the DDR timings ourself on both banks.
+ */
+void get_board_mem_timings(struct board_sdrc_timings *timings)
+{
+	timings->mr = MICRON_V_MR_165;
+#ifdef CONFIG_BOOT_NAND
+	timings->mcfg = MICRON_V_MCFG_200(256 << 20);
+	timings->ctrla = MICRON_V_ACTIMA_200;
+	timings->ctrlb = MICRON_V_ACTIMB_200;
+	timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_200MHz;
+#else
+	if (get_cpu_family() == CPU_OMAP34XX) {
+		timings->mcfg = NUMONYX_V_MCFG_165(256 << 20);
+		timings->ctrla = NUMONYX_V_ACTIMA_165;
+		timings->ctrlb = NUMONYX_V_ACTIMB_165;
+		timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_165MHz;
+
+	} else {
+		timings->mcfg = NUMONYX_V_MCFG_200(256 << 20);
+		timings->ctrla = NUMONYX_V_ACTIMA_200;
+		timings->ctrlb = NUMONYX_V_ACTIMB_200;
+		timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_200MHz;
+	}
+#endif
+}
+#endif
+
+#if defined(CONFIG_CMD_NET)
+
+static void reset_net_chip(int gpio)
+{
+	if (!gpio_request(gpio, "eth nrst")) {
+		gpio_direction_output(gpio, 1);
+		udelay(1);
+		gpio_set_value(gpio, 0);
+		udelay(40);
+		gpio_set_value(gpio, 1);
+		mdelay(10);
+	}
+}
+
+/*
+ * Routine: setup_net_chip
+ * Description: Setting up the configuration GPMC registers specific to the
+ *		Ethernet hardware.
+ */
+static void setup_net_chip(void)
+{
+	struct ctrl *ctrl_base = (struct ctrl *)OMAP34XX_CTRL_BASE;
+
+	enable_gpmc_cs_config(gpmc_lan_config, &gpmc_cfg->cs[5],
+			CONFIG_SMC911X_BASE, GPMC_SIZE_16M);
+
+	/* Enable off mode for NWE in PADCONF_GPMC_NWE register */
+	writew(readw(&ctrl_base->gpmc_nwe) | 0x0E00, &ctrl_base->gpmc_nwe);
+	/* Enable off mode for NOE in PADCONF_GPMC_NADV_ALE register */
+	writew(readw(&ctrl_base->gpmc_noe) | 0x0E00, &ctrl_base->gpmc_noe);
+	/* Enable off mode for ALE in PADCONF_GPMC_NADV_ALE register */
+	writew(readw(&ctrl_base->gpmc_nadv_ale) | 0x0E00,
+		&ctrl_base->gpmc_nadv_ale);
+
+	reset_net_chip(64);
+}
+#else
+static inline void setup_net_chip(void) {}
+#endif
+
+#if defined(CONFIG_GENERIC_MMC) && !defined(CONFIG_SPL_BUILD)
+int board_mmc_init(bd_t *bis)
+{
+	return omap_mmc_init(0, 0, 0, -1, -1);
+}
+#endif
+
+#if defined(CONFIG_GENERIC_MMC)
+void board_mmc_power_init(void)
+{
+	twl4030_power_mmc_init(0);
+}
+#endif
+
+void set_fdt(void)
+{
+	switch (gd->bd->bi_arch_number) {
+	case MACH_TYPE_IGEP0020:
+		setenv("fdtfile", "omap3-igep0020.dtb");
+		break;
+	case MACH_TYPE_IGEP0030:
+		setenv("fdtfile", "omap3-igep0030.dtb");
+		break;
+	}
+}
+
+/*
+ * Routine: misc_init_r
+ * Description: Configure board specific parts
+ */
+int misc_init_r(void)
+{
+	twl4030_power_init();
+
+	setup_net_chip();
+
+	omap_die_id_display();
+
+	set_fdt();
+
+	return 0;
+}
+
+/*
+ * Routine: set_muxconf_regs
+ * Description: Setting up the configuration Mux registers specific to the
+ *		hardware. Many pins need to be moved from protect to primary
+ *		mode.
+ */
+void set_muxconf_regs(void)
+{
+	MUX_DEFAULT();
+
+#if (CONFIG_MACH_TYPE == MACH_TYPE_IGEP0020)
+	MUX_IGEP0020();
+#endif
+
+#if (CONFIG_MACH_TYPE == MACH_TYPE_IGEP0030)
+	MUX_IGEP0030();
+#endif
+}
+
+#if defined(CONFIG_CMD_NET)
+int board_eth_init(bd_t *bis)
+{
+#ifdef CONFIG_SMC911X
+	return smc911x_initialize(0, CONFIG_SMC911X_BASE);
+#else
+	return 0;
+#endif
+}
+#endif