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/schulercontrol/sc_sps_1/Kconfig

@@ -0,0 +1,15 @@
+if TARGET_SC_SPS_1
+
+config SYS_BOARD
+	default "sc_sps_1"
+
+config SYS_VENDOR
+	default "schulercontrol"
+
+config SYS_SOC
+	default "mxs"
+
+config SYS_CONFIG_NAME
+	default "sc_sps_1"
+
+endif

u-boot/board/schulercontrol/sc_sps_1/MAINTAINERS

@@ -0,0 +1,6 @@
+SC_SPS_1 BOARD
+M:	Marek Vasut <marek.vasut@gmail.com>
+S:	Maintained
+F:	board/schulercontrol/sc_sps_1/
+F:	include/configs/sc_sps_1.h
+F:	configs/sc_sps_1_defconfig

u-boot/board/schulercontrol/sc_sps_1/Makefile

@@ -0,0 +1,12 @@
+#
+# (C) Copyright 2000-2012
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# SPDX-License-Identifier:	GPL-2.0+
+#
+
+ifndef	CONFIG_SPL_BUILD
+obj-y	:= sc_sps_1.o
+else
+obj-y	:= spl_boot.o
+endif

u-boot/board/schulercontrol/sc_sps_1/sc_sps_1.c

@@ -0,0 +1,97 @@
+/*
+ * SchulerControl GmbH, SC_SPS_1 module
+ *
+ * Copyright (C) 2012 Marek Vasut <marex@denx.de>
+ * on behalf of DENX Software Engineering GmbH
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/gpio.h>
+#include <asm/io.h>
+#include <asm/arch/imx-regs.h>
+#include <asm/arch/iomux-mx28.h>
+#include <asm/arch/clock.h>
+#include <asm/arch/sys_proto.h>
+#include <linux/mii.h>
+#include <miiphy.h>
+#include <netdev.h>
+#include <errno.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+/*
+ * Functions
+ */
+int board_early_init_f(void)
+{
+	/* IO0 clock at 480MHz */
+	mxs_set_ioclk(MXC_IOCLK0, 480000);
+	/* IO1 clock at 480MHz */
+	mxs_set_ioclk(MXC_IOCLK1, 480000);
+
+	/* SSP0 clock at 96MHz */
+	mxs_set_sspclk(MXC_SSPCLK0, 96000, 0);
+	/* SSP2 clock at 96MHz */
+	mxs_set_sspclk(MXC_SSPCLK2, 96000, 0);
+
+#ifdef	CONFIG_CMD_USB
+	mxs_iomux_setup_pad(MX28_PAD_AUART1_CTS__USB0_OVERCURRENT);
+	mxs_iomux_setup_pad(MX28_PAD_AUART2_TX__GPIO_3_9 |
+			MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL);
+	gpio_direction_output(MX28_PAD_AUART2_TX__GPIO_3_9, 1);
+#endif
+
+	return 0;
+}
+
+int board_init(void)
+{
+	/* Adress of boot parameters */
+	gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
+
+	return 0;
+}
+
+int dram_init(void)
+{
+	return mxs_dram_init();
+}
+
+#ifdef	CONFIG_CMD_MMC
+int board_mmc_init(bd_t *bis)
+{
+	return mxsmmc_initialize(bis, 0, NULL, NULL);
+}
+#endif
+
+#ifdef	CONFIG_CMD_NET
+int board_eth_init(bd_t *bis)
+{
+	struct mxs_clkctrl_regs *clkctrl_regs =
+		(struct mxs_clkctrl_regs *)MXS_CLKCTRL_BASE;
+	int ret;
+
+	ret = cpu_eth_init(bis);
+
+	clrsetbits_le32(&clkctrl_regs->hw_clkctrl_enet,
+		CLKCTRL_ENET_TIME_SEL_MASK,
+		CLKCTRL_ENET_TIME_SEL_RMII_CLK | CLKCTRL_ENET_CLK_OUT_EN);
+
+	ret = fecmxc_initialize_multi(bis, 0, 0, MXS_ENET0_BASE);
+	if (ret) {
+		printf("FEC MXS: Unable to init FEC0\n");
+		return ret;
+	}
+
+	ret = fecmxc_initialize_multi(bis, 1, 1, MXS_ENET1_BASE);
+	if (ret) {
+		printf("FEC MXS: Unable to init FEC1\n");
+		return ret;
+	}
+
+	return ret;
+}
+
+#endif

u-boot/board/schulercontrol/sc_sps_1/spl_boot.c

@@ -0,0 +1,149 @@
+/*
+ * SchulerControl GmbH, SC_SPS_1 module setup
+ *
+ * Copyright (C) 2012 Marek Vasut <marex@denx.de>
+ * on behalf of DENX Software Engineering GmbH
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <config.h>
+#include <asm/io.h>
+#include <asm/arch/iomux-mx28.h>
+#include <asm/arch/imx-regs.h>
+#include <asm/arch/sys_proto.h>
+
+#define	MUX_CONFIG_LED	(MXS_PAD_3V3 | MXS_PAD_4MA | MXS_PAD_NOPULL)
+#define	MUX_CONFIG_SSP0	(MXS_PAD_3V3 | MXS_PAD_12MA | MXS_PAD_PULLUP)
+#define	MUX_CONFIG_SSP2	(MXS_PAD_3V3 | MXS_PAD_4MA | MXS_PAD_PULLUP)
+#define	MUX_CONFIG_ENET	(MXS_PAD_3V3 | MXS_PAD_12MA | MXS_PAD_NOPULL)
+#define	MUX_CONFIG_EMI	(MXS_PAD_3V3 | MXS_PAD_12MA | MXS_PAD_NOPULL)
+
+const iomux_cfg_t iomux_setup[] = {
+	/* -- Strick 3 -- */
+
+	/* FEC Ethernet */
+	MX28_PAD_ENET0_MDC__ENET0_MDC | MUX_CONFIG_ENET,
+	MX28_PAD_ENET0_MDIO__ENET0_MDIO | MUX_CONFIG_ENET,
+	MX28_PAD_ENET0_RX_EN__ENET0_RX_EN | MUX_CONFIG_ENET,
+	MX28_PAD_ENET0_RXD0__ENET0_RXD0 | MUX_CONFIG_ENET,
+	MX28_PAD_ENET0_RXD1__ENET0_RXD1 | MUX_CONFIG_ENET,
+	MX28_PAD_ENET0_TX_EN__ENET0_TX_EN | MUX_CONFIG_ENET,
+	MX28_PAD_ENET0_TXD0__ENET0_TXD0 | MUX_CONFIG_ENET,
+	MX28_PAD_ENET0_TXD1__ENET0_TXD1 | MUX_CONFIG_ENET,
+	MX28_PAD_ENET0_RXD3__ENET1_RXD1 | MUX_CONFIG_ENET,
+	MX28_PAD_ENET0_RXD2__ENET1_RXD0 | MUX_CONFIG_ENET,
+	MX28_PAD_ENET0_TXD2__ENET1_TXD0 | MUX_CONFIG_ENET,
+	MX28_PAD_ENET0_TXD3__ENET1_TXD1 | MUX_CONFIG_ENET,
+
+	MX28_PAD_ENET0_TX_CLK__GPIO_4_5,	/* ENET INT */
+
+	MX28_PAD_ENET0_COL__ENET1_TX_EN | MUX_CONFIG_ENET,
+	MX28_PAD_ENET0_CRS__ENET1_RX_EN | MUX_CONFIG_ENET,
+	MX28_PAD_ENET_CLK__CLKCTRL_ENET | MUX_CONFIG_ENET,
+
+	/* -- Strick 4 -- */
+
+	/* EMI */
+	MX28_PAD_EMI_ODT0__EMI_ODT0 | MUX_CONFIG_EMI,
+	MX28_PAD_EMI_CASN__EMI_CASN | MUX_CONFIG_EMI,
+	MX28_PAD_EMI_RASN__EMI_RASN | MUX_CONFIG_EMI,
+	MX28_PAD_EMI_WEN__EMI_WEN | MUX_CONFIG_EMI,
+	MX28_PAD_EMI_CE0N__EMI_CE0N | MUX_CONFIG_EMI,
+	MX28_PAD_EMI_BA0__EMI_BA0 | MUX_CONFIG_EMI,
+	MX28_PAD_EMI_BA1__EMI_BA1 | MUX_CONFIG_EMI,
+	MX28_PAD_EMI_BA2__EMI_BA2 | MUX_CONFIG_EMI,
+	MX28_PAD_EMI_A00__EMI_ADDR0 | MUX_CONFIG_EMI,
+	MX28_PAD_EMI_A01__EMI_ADDR1 | MUX_CONFIG_EMI,
+	MX28_PAD_EMI_A02__EMI_ADDR2 | MUX_CONFIG_EMI,
+	MX28_PAD_EMI_A03__EMI_ADDR3 | MUX_CONFIG_EMI,
+	MX28_PAD_EMI_A04__EMI_ADDR4 | MUX_CONFIG_EMI,
+	MX28_PAD_EMI_A05__EMI_ADDR5 | MUX_CONFIG_EMI,
+	MX28_PAD_EMI_A06__EMI_ADDR6 | MUX_CONFIG_EMI,
+	MX28_PAD_EMI_A07__EMI_ADDR7 | MUX_CONFIG_EMI,
+	MX28_PAD_EMI_A08__EMI_ADDR8 | MUX_CONFIG_EMI,
+	MX28_PAD_EMI_A09__EMI_ADDR9 | MUX_CONFIG_EMI,
+	MX28_PAD_EMI_A10__EMI_ADDR10 | MUX_CONFIG_EMI,
+	MX28_PAD_EMI_A11__EMI_ADDR11 | MUX_CONFIG_EMI,
+	MX28_PAD_EMI_A12__EMI_ADDR12 | MUX_CONFIG_EMI,
+
+	MX28_PAD_EMI_DQM0__EMI_DQM0 | MUX_CONFIG_EMI,
+	MX28_PAD_EMI_DQM1__EMI_DQM1 | MUX_CONFIG_EMI,
+	MX28_PAD_EMI_DQS0__EMI_DQS0 | MUX_CONFIG_EMI,
+	MX28_PAD_EMI_DQS1__EMI_DQS1 | MUX_CONFIG_EMI,
+
+	MX28_PAD_EMI_D00__EMI_DATA0 | MUX_CONFIG_EMI,
+	MX28_PAD_EMI_D01__EMI_DATA1 | MUX_CONFIG_EMI,
+	MX28_PAD_EMI_D02__EMI_DATA2 | MUX_CONFIG_EMI,
+	MX28_PAD_EMI_D03__EMI_DATA3 | MUX_CONFIG_EMI,
+	MX28_PAD_EMI_D04__EMI_DATA4 | MUX_CONFIG_EMI,
+	MX28_PAD_EMI_D05__EMI_DATA5 | MUX_CONFIG_EMI,
+	MX28_PAD_EMI_D06__EMI_DATA6 | MUX_CONFIG_EMI,
+	MX28_PAD_EMI_D07__EMI_DATA7 | MUX_CONFIG_EMI,
+	MX28_PAD_EMI_D08__EMI_DATA8 | MUX_CONFIG_EMI,
+	MX28_PAD_EMI_D09__EMI_DATA9 | MUX_CONFIG_EMI,
+	MX28_PAD_EMI_D10__EMI_DATA10 | MUX_CONFIG_EMI,
+	MX28_PAD_EMI_D11__EMI_DATA11 | MUX_CONFIG_EMI,
+	MX28_PAD_EMI_D12__EMI_DATA12 | MUX_CONFIG_EMI,
+	MX28_PAD_EMI_D13__EMI_DATA13 | MUX_CONFIG_EMI,
+	MX28_PAD_EMI_D14__EMI_DATA14 | MUX_CONFIG_EMI,
+	MX28_PAD_EMI_D15__EMI_DATA15 | MUX_CONFIG_EMI,
+
+	MX28_PAD_EMI_CKE__EMI_CKE | MUX_CONFIG_EMI,
+	MX28_PAD_EMI_CLK__EMI_CLK | MUX_CONFIG_EMI,
+
+	MX28_PAD_EMI_DDR_OPEN__EMI_DDR_OPEN | MUX_CONFIG_EMI,
+	MX28_PAD_EMI_DDR_OPEN_FB__EMI_DDR_OPEN_FEEDBACK | MUX_CONFIG_EMI,
+
+	/* -- Strick 5 -- */
+
+	/* MMC0 */
+	MX28_PAD_SSP0_DATA0__SSP0_D0 | MUX_CONFIG_SSP0,
+	MX28_PAD_SSP0_DATA1__SSP0_D1 | MUX_CONFIG_SSP0,
+	MX28_PAD_SSP0_DATA2__SSP0_D2 | MUX_CONFIG_SSP0,
+	MX28_PAD_SSP0_DATA3__SSP0_D3 | MUX_CONFIG_SSP0,
+	MX28_PAD_SSP0_CMD__SSP0_CMD | MUX_CONFIG_SSP0,
+	MX28_PAD_SSP0_DETECT__SSP0_CARD_DETECT |
+		(MXS_PAD_3V3 | MXS_PAD_12MA | MXS_PAD_NOPULL),
+	MX28_PAD_SSP0_SCK__SSP0_SCK |
+		(MXS_PAD_3V3 | MXS_PAD_12MA | MXS_PAD_NOPULL),
+
+	/* SPI2 (for flash) */
+	MX28_PAD_SSP2_SCK__SSP2_SCK | MUX_CONFIG_SSP2,
+	MX28_PAD_SSP2_MOSI__SSP2_CMD | MUX_CONFIG_SSP2,
+	MX28_PAD_SSP2_MISO__SSP2_D0 | MUX_CONFIG_SSP2,
+	MX28_PAD_SSP2_SS0__SSP2_D3 |
+		(MXS_PAD_3V3 | MXS_PAD_8MA | MXS_PAD_PULLUP),
+
+	/* -- Strick 6 -- */
+
+	/* I2C */
+	MX28_PAD_I2C0_SCL__I2C0_SCL,
+	MX28_PAD_I2C0_SDA__I2C0_SDA,
+
+	/* AUART0 */
+	MX28_PAD_AUART0_TX__AUART0_TX,
+	MX28_PAD_AUART0_RX__AUART0_RX,
+
+	/* MEGA interface */
+
+	/* Debug UART */
+	MX28_PAD_PWM0__DUART_RX,
+	MX28_PAD_PWM1__DUART_TX,
+
+	/* LED */
+	MX28_PAD_GPMI_D00__GPIO_0_0 | MUX_CONFIG_LED,
+	MX28_PAD_GPMI_D03__GPIO_0_3 | MUX_CONFIG_LED,
+	MX28_PAD_GPMI_D06__GPIO_0_6 | MUX_CONFIG_LED,
+};
+
+void board_init_ll(const uint32_t arg, const uint32_t *resptr)
+{
+	mxs_common_spl_init(arg, resptr, iomux_setup, ARRAY_SIZE(iomux_setup));
+}
+
+void mxs_adjust_memory_params(uint32_t *dram_vals)
+{
+	dram_vals[0x74 >> 2] = 0x0f02010a;
+}