[U-Boot] [PATCH V2] MX28: Add SchulerControl SC_SPS_1 platform

Marek Vasut marex at denx.de
Sun Aug 5 12:37:16 CEST 2012


This i.MX28 platform supports the following:
* 2x FEC ethernet
* USB on USBH0
* I2C EEPROM
* SPI NVRAM
* LEDs

Signed-off-by: Marek Vasut <marex at denx.de>
---
 board/schulercontrol/sc_sps_1/Makefile   |   47 +++++++
 board/schulercontrol/sc_sps_1/sc_sps_1.c |  113 ++++++++++++++++
 board/schulercontrol/sc_sps_1/spl_boot.c |  165 ++++++++++++++++++++++++
 boards.cfg                               |    1 +
 include/configs/sc_sps_1.h               |  208 ++++++++++++++++++++++++++++++
 5 files changed, 534 insertions(+)
 create mode 100644 board/schulercontrol/sc_sps_1/Makefile
 create mode 100644 board/schulercontrol/sc_sps_1/sc_sps_1.c
 create mode 100644 board/schulercontrol/sc_sps_1/spl_boot.c
 create mode 100644 include/configs/sc_sps_1.h

V2: Removed u-boot.bd in favor of shared file

diff --git a/board/schulercontrol/sc_sps_1/Makefile b/board/schulercontrol/sc_sps_1/Makefile
new file mode 100644
index 0000000..24a1003
--- /dev/null
+++ b/board/schulercontrol/sc_sps_1/Makefile
@@ -0,0 +1,47 @@
+#
+# (C) Copyright 2000-2012
+# Wolfgang Denk, DENX Software Engineering, wd at denx.de.
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+# MA 02111-1307 USA
+#
+
+include $(TOPDIR)/config.mk
+
+LIB	= $(obj)lib$(BOARD).o
+
+ifndef	CONFIG_SPL_BUILD
+COBJS	:= sc_sps_1.o
+else
+COBJS	:= spl_boot.o
+endif
+
+SRCS	:= $(COBJS:.o=.c)
+OBJS	:= $(addprefix $(obj),$(COBJS))
+
+$(LIB):	$(obj).depend $(OBJS)
+	$(call cmd_link_o_target, $(OBJS))
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
diff --git a/board/schulercontrol/sc_sps_1/sc_sps_1.c b/board/schulercontrol/sc_sps_1/sc_sps_1.c
new file mode 100644
index 0000000..0fee289
--- /dev/null
+++ b/board/schulercontrol/sc_sps_1/sc_sps_1.c
@@ -0,0 +1,113 @@
+/*
+ * SchulerControl GmbH, SC_SPS_1 module
+ *
+ * Copyright (C) 2012 Marek Vasut <marex at denx.de>
+ * on behalf of DENX Software Engineering GmbH
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#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 */
+	mx28_set_ioclk(MXC_IOCLK0, 480000);
+	/* IO1 clock at 480MHz */
+	mx28_set_ioclk(MXC_IOCLK1, 480000);
+
+	/* SSP0 clock at 96MHz */
+	mx28_set_sspclk(MXC_SSPCLK0, 96000, 0);
+	/* SSP2 clock at 96MHz */
+	mx28_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 mx28_dram_init();
+}
+
+#ifdef	CONFIG_CMD_MMC
+int board_mmc_init(bd_t *bis)
+{
+	return mxsmmc_initialize(bis, 0, NULL);
+}
+#endif
+
+#ifdef	CONFIG_CMD_NET
+int board_eth_init(bd_t *bis)
+{
+	struct mx28_clkctrl_regs *clkctrl_regs =
+		(struct mx28_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
diff --git a/board/schulercontrol/sc_sps_1/spl_boot.c b/board/schulercontrol/sc_sps_1/spl_boot.c
new file mode 100644
index 0000000..4d2151d
--- /dev/null
+++ b/board/schulercontrol/sc_sps_1/spl_boot.c
@@ -0,0 +1,165 @@
+/*
+ * SchulerControl GmbH, SC_SPS_1 module setup
+ *
+ * Copyright (C) 2012 Marek Vasut <marex at denx.de>
+ * on behalf of DENX Software Engineering GmbH
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#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(void)
+{
+	mx28_common_spl_init(iomux_setup, ARRAY_SIZE(iomux_setup));
+}
+
+void mx28_adjust_memory_params(uint32_t *dram_vals)
+{
+	dram_vals[0x74 >> 2] = 0x0f02010a;
+}
diff --git a/boards.cfg b/boards.cfg
index 5a31f6d..cc45641 100644
--- a/boards.cfg
+++ b/boards.cfg
@@ -173,6 +173,7 @@ magnesium                    arm         arm926ejs   imx27lite           logicpd
 apx4devkit                   arm         arm926ejs   -                   bluegiga       mx28
 m28evk                       arm         arm926ejs   -                   denx           mx28
 mx28evk                      arm         arm926ejs   -                   freescale      mx28
+sc_sps_1                     arm         arm926ejs   -                   schulercontrol mx28
 nhk8815                      arm         arm926ejs   nhk8815             st             nomadik
 nhk8815_onenand              arm         arm926ejs   nhk8815             st             nomadik       nhk8815:BOOT_ONENAND
 omap5912osk                  arm         arm926ejs   -                   ti             omap
diff --git a/include/configs/sc_sps_1.h b/include/configs/sc_sps_1.h
new file mode 100644
index 0000000..4feb271
--- /dev/null
+++ b/include/configs/sc_sps_1.h
@@ -0,0 +1,208 @@
+/*
+ * SchulerControl GmbH, SC_SPS_1 module config
+ *
+ * Copyright (C) 2012 Marek Vasut <marex at denx.de>
+ * on behalf of DENX Software Engineering GmbH
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+#ifndef __SC_SPS_1_H__
+#define __SC_SPS_1_H__
+
+#include <asm/arch/regs-base.h>
+
+/*
+ * SoC configurations
+ */
+#define CONFIG_MX28				/* i.MX28 SoC */
+#define CONFIG_MXS_GPIO				/* GPIO control */
+#define CONFIG_SYS_HZ		1000		/* Ticks per second */
+
+/*
+ * Define SC_SPS_1 machine type by hand until it lands in mach-types
+ */
+#define MACH_TYPE_SC_SPS_1	4172
+
+#define CONFIG_MACH_TYPE	MACH_TYPE_SC_SPS_1
+
+#define CONFIG_SYS_NO_FLASH
+#define CONFIG_SYS_ICACHE_OFF
+#define CONFIG_SYS_DCACHE_OFF
+#define CONFIG_BOARD_EARLY_INIT_F
+#define CONFIG_ARCH_CPU_INIT
+#define CONFIG_ARCH_MISC_INIT
+
+#define CONFIG_ENV_IS_IN_MMC
+
+#define CONFIG_OF_LIBFDT
+
+/*
+ * SPL
+ */
+#define CONFIG_SPL
+#define CONFIG_SPL_NO_CPU_SUPPORT_CODE
+#define CONFIG_SPL_START_S_PATH		"arch/arm/cpu/arm926ejs/mx28"
+#define CONFIG_SPL_LDSCRIPT	"arch/arm/cpu/arm926ejs/mx28/u-boot-spl.lds"
+#define CONFIG_SPL_LIBCOMMON_SUPPORT
+#define CONFIG_SPL_LIBGENERIC_SUPPORT
+#define CONFIG_SPL_GPIO_SUPPORT
+
+/*
+ * U-Boot Commands
+ */
+#include <config_cmd_default.h>
+#define CONFIG_DISPLAY_CPUINFO
+#define CONFIG_DOS_PARTITION
+
+#define CONFIG_CMD_CACHE
+#define CONFIG_CMD_DHCP
+#define CONFIG_CMD_EXT2
+#define CONFIG_CMD_FAT
+#define CONFIG_CMD_GPIO
+#define CONFIG_CMD_MII
+#define CONFIG_CMD_MMC
+#define CONFIG_CMD_NET
+#define CONFIG_CMD_NFS
+#define CONFIG_CMD_PING
+#define CONFIG_CMD_SETEXPR
+#define CONFIG_CMD_USB
+
+/*
+ * Memory configurations
+ */
+#define CONFIG_NR_DRAM_BANKS		1		/* 1 bank of DRAM */
+#define PHYS_SDRAM_1			0x40000000	/* Base address */
+#define PHYS_SDRAM_1_SIZE		0x40000000	/* Max 1 GB RAM */
+#define CONFIG_STACKSIZE		0x00010000	/* 128 KB stack */
+#define CONFIG_SYS_MALLOC_LEN		0x00400000	/* 4 MB for malloc */
+#define CONFIG_SYS_GBL_DATA_SIZE	128		/* Initial data */
+#define CONFIG_SYS_MEMTEST_START	0x40000000	/* Memtest start adr */
+#define CONFIG_SYS_MEMTEST_END		0x40400000	/* 4 MB RAM test */
+#define CONFIG_SYS_SDRAM_BASE		PHYS_SDRAM_1
+
+/* Point initial SP in SRAM so SPL can use it too. */
+#define CONFIG_SYS_INIT_RAM_ADDR	0x00000000
+#define CONFIG_SYS_INIT_RAM_SIZE	(128 * 1024)
+
+#define CONFIG_SYS_INIT_SP_OFFSET \
+	(CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
+#define CONFIG_SYS_INIT_SP_ADDR \
+	(CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_SP_OFFSET)
+/*
+ * We need to sacrifice first 4 bytes of RAM here to avoid triggering some
+ * strange BUG in ROM corrupting first 4 bytes of RAM when loading U-Boot
+ * binary. In case there was more of this mess, 0x100 bytes are skipped.
+ */
+#define CONFIG_SYS_TEXT_BASE		0x40000100
+
+/*
+ * U-Boot general configurations
+ */
+#define CONFIG_SYS_LONGHELP
+#define CONFIG_SYS_PROMPT	"=> "
+#define CONFIG_SYS_CBSIZE	1024		/* Console I/O buffer size */
+#define CONFIG_SYS_PBSIZE	\
+	(CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
+						/* Print buffer size */
+#define CONFIG_SYS_MAXARGS	32		/* Max number of command args */
+#define CONFIG_SYS_BARGSIZE	CONFIG_SYS_CBSIZE
+						/* Boot argument buffer size */
+#define CONFIG_VERSION_VARIABLE			/* U-BOOT version */
+#define CONFIG_AUTO_COMPLETE			/* Command auto complete */
+#define CONFIG_CMDLINE_EDITING			/* Command history etc */
+#define CONFIG_SYS_HUSH_PARSER
+#define CONFIG_SYS_PROMPT_HUSH_PS2	"> "
+
+/*
+ * Serial Driver
+ */
+#define CONFIG_PL011_SERIAL
+#define CONFIG_PL011_CLOCK		24000000
+#define CONFIG_PL01x_PORTS		{ (void *)MXS_UARTDBG_BASE }
+#define CONFIG_CONS_INDEX		0
+#define CONFIG_BAUDRATE			115200	/* Default baud rate */
+#define CONFIG_SYS_BAUDRATE_TABLE	{ 9600, 19200, 38400, 57600, 115200 }
+
+/*
+ * MMC Driver
+ */
+#ifdef CONFIG_CMD_MMC
+#define CONFIG_APBH_DMA
+#define CONFIG_MMC
+#define CONFIG_MMC_BOUNCE_BUFFER
+#define CONFIG_GENERIC_MMC
+#define CONFIG_MXS_MMC
+#endif
+#define CONFIG_ENV_SIZE			(16 * 1024)
+#ifdef CONFIG_ENV_IS_IN_MMC
+#define CONFIG_ENV_OFFSET		(256 * 1024)
+#define CONFIG_SYS_MMC_ENV_DEV		0
+#else
+#define CONFIG_ENV_IS_NOWHERE
+#endif
+
+/*
+ * Ethernet on SOC (FEC)
+ */
+#ifdef CONFIG_CMD_NET
+#define CONFIG_ETHPRIME			"FEC0"
+#define CONFIG_FEC_MXC
+#define CONFIG_FEC_MXC_MULTI
+#define CONFIG_MII
+#define CONFIG_DISCOVER_PHY
+#define CONFIG_FEC_XCV_TYPE		RMII
+#define CONFIG_PHYLIB
+#define CONFIG_PHY_SMSC
+#endif
+
+/*
+ * USB
+ */
+#ifdef CONFIG_CMD_USB
+#define CONFIG_USB_EHCI
+#define CONFIG_USB_EHCI_MXS
+#define CONFIG_EHCI_MXS_PORT		0
+#define CONFIG_EHCI_IS_TDI
+#define CONFIG_USB_STORAGE
+#endif
+
+/*
+ * Boot Linux
+ */
+#define CONFIG_CMDLINE_TAG
+#define CONFIG_SETUP_MEMORY_TAGS
+#define CONFIG_BOOTDELAY	3
+#define CONFIG_BOOTFILE		"uImage"
+#define CONFIG_BOOTARGS		"console=ttyAMA0,115200"
+#define CONFIG_BOOTCOMMAND	"bootm "
+#define CONFIG_LOADADDR		0x42000000
+#define CONFIG_SYS_LOAD_ADDR	CONFIG_LOADADDR
+
+/*
+ * Extra Environments
+ */
+#define CONFIG_EXTRA_ENV_SETTINGS					\
+	"update_sd_firmware_filename=u-boot.sd\0"			\
+	"update_sd_firmware="		/* Update the SD firmware partition */ \
+		"if mmc rescan ; then "					\
+		"if tftp ${update_sd_firmware_filename} ; then "	\
+		"setexpr fw_sz ${filesize} / 0x200 ; "	/* SD block size */ \
+		"setexpr fw_sz ${fw_sz} + 1 ; "				\
+		"mmc write ${loadaddr} 0x800 ${fw_sz} ; "		\
+		"fi ; "							\
+		"fi\0"
+
+#endif /* __SC_SPS_1_H__ */
-- 
1.7.10.4



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