[U-Boot,4/9] mx23evk: Add initial board support

Submitted by Otavio Salvador on Jan. 22, 2013, 1:47 a.m.

Details

Message ID 1358819250-31625-5-git-send-email-otavio@ossystems.com.br
State Not Applicable
Headers show

Commit Message

Otavio Salvador Jan. 22, 2013, 1:47 a.m.
Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
---
 board/freescale/mx23evk/Makefile   |  47 +++++++
 board/freescale/mx23evk/mx23evk.c  |  81 ++++++++++++
 board/freescale/mx23evk/spl_boot.c | 115 +++++++++++++++++
 boards.cfg                         |   1 +
 include/configs/mx23evk.h          | 252 +++++++++++++++++++++++++++++++++++++
 5 files changed, 496 insertions(+)
 create mode 100644 board/freescale/mx23evk/Makefile
 create mode 100644 board/freescale/mx23evk/mx23evk.c
 create mode 100644 board/freescale/mx23evk/spl_boot.c
 create mode 100644 include/configs/mx23evk.h

Comments

Marek Vasut Jan. 22, 2013, 1:46 a.m.
Dear Otavio Salvador,

This should not be a part of the patchset. Description is missing.

Best regards,
Marek Vasut
Otavio Salvador Jan. 22, 2013, 2:02 a.m.
On Mon, Jan 21, 2013 at 11:46 PM, Marek Vasut <marex@denx.de> wrote:
> Dear Otavio Salvador,
>
> This should not be a part of the patchset. Description is missing.

Well, this is the first version of the board support. I see no better
description for it.

--
Otavio Salvador                             O.S. Systems
E-mail: otavio@ossystems.com.br  http://www.ossystems.com.br
Mobile: +55 53 9981-7854              http://projetos.ossystems.com.br
Marek Vasut Jan. 22, 2013, 2:16 a.m.
Dear Otavio Salvador,

> On Mon, Jan 21, 2013 at 11:46 PM, Marek Vasut <marex@denx.de> wrote:
> > Dear Otavio Salvador,
> > 
> > This should not be a part of the patchset. Description is missing.
> 
> Well, this is the first version of the board support. I see no better
> description for it.

Check other patches adding boards then please. Description of the board is 
sufficient.

Best regards,
Marek Vasut
Fabio Estevam Jan. 22, 2013, 2:30 a.m.
On Mon, Jan 21, 2013 at 11:47 PM, Otavio Salvador
<otavio@ossystems.com.br> wrote:
> Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
> ---
>  board/freescale/mx23evk/Makefile   |  47 +++++++
>  board/freescale/mx23evk/mx23evk.c  |  81 ++++++++++++
>  board/freescale/mx23evk/spl_boot.c | 115 +++++++++++++++++
>  boards.cfg                         |   1 +
>  include/configs/mx23evk.h          | 252 +++++++++++++++++++++++++++++++++++++
>  5 files changed, 496 insertions(+)
>  create mode 100644 board/freescale/mx23evk/Makefile
>  create mode 100644 board/freescale/mx23evk/mx23evk.c
>  create mode 100644 board/freescale/mx23evk/spl_boot.c
>  create mode 100644 include/configs/mx23evk.h

An entry to MAINTAINERS file is missing.

> +/*
> + * USB
> + */
> +#ifdef CONFIG_CMD_USB
> +#define        CONFIG_USB_EHCI
> +#define        CONFIG_USB_EHCI_MXS
> +#define        CONFIG_EHCI_MXS_PORT 1
> +#define        CONFIG_EHCI_IS_TDI
> +#define        CONFIG_USB_STORAGE
> +#endif

Is USB functional? If not, please remove this.
Marek Vasut Jan. 22, 2013, 2:42 a.m.
Dear Fabio Estevam,

> On Mon, Jan 21, 2013 at 11:47 PM, Otavio Salvador
> 
> <otavio@ossystems.com.br> wrote:
> > Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
> > ---
> > 
> >  board/freescale/mx23evk/Makefile   |  47 +++++++
> >  board/freescale/mx23evk/mx23evk.c  |  81 ++++++++++++
> >  board/freescale/mx23evk/spl_boot.c | 115 +++++++++++++++++
> >  boards.cfg                         |   1 +
> >  include/configs/mx23evk.h          | 252
> >  +++++++++++++++++++++++++++++++++++++ 5 files changed, 496
> >  insertions(+)
> >  create mode 100644 board/freescale/mx23evk/Makefile
> >  create mode 100644 board/freescale/mx23evk/mx23evk.c
> >  create mode 100644 board/freescale/mx23evk/spl_boot.c
> >  create mode 100644 include/configs/mx23evk.h
> 
> An entry to MAINTAINERS file is missing.
> 
> > +/*
> > + * USB
> > + */
> > +#ifdef CONFIG_CMD_USB
> > +#define        CONFIG_USB_EHCI
> > +#define        CONFIG_USB_EHCI_MXS
> > +#define        CONFIG_EHCI_MXS_PORT 1
> > +#define        CONFIG_EHCI_IS_TDI
> > +#define        CONFIG_USB_STORAGE
> > +#endif
> 
> Is USB functional? If not, please remove this.

I don't think so ... besides, MX23 has only one USB port. How can this even 
compile if USBPHY1 and such values are undefined?

Best regards,
Marek Vasut
Otavio Salvador Jan. 22, 2013, 10:05 a.m.
On Tue, Jan 22, 2013 at 12:30 AM, Fabio Estevam <festevam@gmail.com> wrote:
> On Mon, Jan 21, 2013 at 11:47 PM, Otavio Salvador
> <otavio@ossystems.com.br> wrote:
>> Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
>> ---
>>  board/freescale/mx23evk/Makefile   |  47 +++++++
>>  board/freescale/mx23evk/mx23evk.c  |  81 ++++++++++++
>>  board/freescale/mx23evk/spl_boot.c | 115 +++++++++++++++++
>>  boards.cfg                         |   1 +
>>  include/configs/mx23evk.h          | 252 +++++++++++++++++++++++++++++++++++++
>>  5 files changed, 496 insertions(+)
>>  create mode 100644 board/freescale/mx23evk/Makefile
>>  create mode 100644 board/freescale/mx23evk/mx23evk.c
>>  create mode 100644 board/freescale/mx23evk/spl_boot.c
>>  create mode 100644 include/configs/mx23evk.h
>
> An entry to MAINTAINERS file is missing.

Right.

>> +/*
>> + * USB
>> + */
>> +#ifdef CONFIG_CMD_USB
>> +#define        CONFIG_USB_EHCI
>> +#define        CONFIG_USB_EHCI_MXS
>> +#define        CONFIG_EHCI_MXS_PORT 1
>> +#define        CONFIG_EHCI_IS_TDI
>> +#define        CONFIG_USB_STORAGE
>> +#endif
>
> Is USB functional? If not, please remove this.

It is not; will check if I can drop it.

--
Otavio Salvador                             O.S. Systems
E-mail: otavio@ossystems.com.br  http://www.ossystems.com.br
Mobile: +55 53 9981-7854              http://projetos.ossystems.com.br

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diff --git a/board/freescale/mx23evk/Makefile b/board/freescale/mx23evk/Makefile
new file mode 100644
index 0000000..7518d7b
--- /dev/null
+++ b/board/freescale/mx23evk/Makefile
@@ -0,0 +1,47 @@ 
+#
+# (C) Copyright 2000-2006
+# Wolfgang Denk, DENX Software Engineering, wd@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	:= mx23evk.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/freescale/mx23evk/mx23evk.c b/board/freescale/mx23evk/mx23evk.c
new file mode 100644
index 0000000..78c51b4
--- /dev/null
+++ b/board/freescale/mx23evk/mx23evk.c
@@ -0,0 +1,81 @@ 
+/*
+ * Freescale MX23EVK board
+ *
+ * (C) Copyright 2013 O.S. Systems Software LTDA.
+ *
+ * Author: Otavio Salvador <otavio@ossystems.com.br>
+ *
+ * Based on m28evk.c:
+ * Copyright (C) 2011 Marek Vasut <marek.vasut@gmail.com>
+ * 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.
+ */
+
+#include <common.h>
+#include <asm/arch/imx-regs.h>
+#include <asm/arch/clock.h>
+#include <asm/arch/iomux-mx23.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+/*
+ * Functions
+ */
+int board_early_init_f(void)
+{
+	/* IO0 clock at 480MHz */
+	mxs_set_ioclk(MXC_IOCLK0, 480000);
+
+	/* SSP0 clock at 96MHz */
+	mxs_set_sspclk(MXC_SSPCLK0, 96000, 0);
+
+	return 0;
+}
+
+int dram_init(void)
+{
+	return mxs_dram_init();
+}
+
+int board_init(void)
+{
+	/* Adress of boot parameters */
+	gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
+
+	return 0;
+}
+
+#ifdef	CONFIG_CMD_MMC
+static int mx23evk_mmc_wp(int id)
+{
+	if (id != 0) {
+		printf("MXS MMC: Invalid card selected (card id = %d)\n", id);
+		return 1;
+	}
+
+	return gpio_get_value(MX23_PAD_PWM4__GPIO_1_30);
+}
+
+int board_mmc_init(bd_t *bis)
+{
+	/* Configure WP as input */
+	gpio_direction_input(MX23_PAD_PWM4__GPIO_1_30);
+
+	/* Configure MMC0 Power Enable */
+	gpio_direction_output(MX23_PAD_PWM3__GPIO_1_29, 0);
+
+	return mxsmmc_initialize(bis, 0, mx23evk_mmc_wp);
+}
+#endif
diff --git a/board/freescale/mx23evk/spl_boot.c b/board/freescale/mx23evk/spl_boot.c
new file mode 100644
index 0000000..43cd114
--- /dev/null
+++ b/board/freescale/mx23evk/spl_boot.c
@@ -0,0 +1,115 @@ 
+/*
+ * Freescale MX23EVK Boot setup
+ *
+ * Copyright (C) 2011 Marek Vasut <marek.vasut@gmail.com>
+ * 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.
+ */
+
+#include <common.h>
+#include <config.h>
+#include <asm/io.h>
+#include <asm/arch/iomux-mx23.h>
+#include <asm/arch/imx-regs.h>
+#include <asm/arch/sys_proto.h>
+
+#define	MUX_CONFIG_SSP1	(MXS_PAD_3V3 | MXS_PAD_8MA | MXS_PAD_PULLUP)
+#define	MUX_CONFIG_GPMI	(MXS_PAD_3V3 | MXS_PAD_4MA | MXS_PAD_NOPULL)
+#define	MUX_CONFIG_EMI	(MXS_PAD_3V3 | MXS_PAD_16MA | MXS_PAD_PULLUP)
+
+const iomux_cfg_t iomux_setup[] = {
+	/* DUART */
+	MX23_PAD_PWM0__DUART_RX,
+	MX23_PAD_PWM1__DUART_TX,
+
+	/* AUART */
+	MX23_PAD_AUART1_RX__AUART1_RX | MXS_PAD_CTRL,
+	MX23_PAD_AUART1_TX__AUART1_TX | MXS_PAD_CTRL,
+	MX23_PAD_AUART1_CTS__AUART1_CTS | MXS_PAD_CTRL,
+	MX23_PAD_AUART1_RTS__AUART1_RTS | MXS_PAD_CTRL,
+
+	/* EMI */
+	MX23_PAD_EMI_D00__EMI_D00 | MUX_CONFIG_EMI,
+	MX23_PAD_EMI_D01__EMI_D01 | MUX_CONFIG_EMI,
+	MX23_PAD_EMI_D02__EMI_D02 | MUX_CONFIG_EMI,
+	MX23_PAD_EMI_D03__EMI_D03 | MUX_CONFIG_EMI,
+	MX23_PAD_EMI_D04__EMI_D04 | MUX_CONFIG_EMI,
+	MX23_PAD_EMI_D05__EMI_D05 | MUX_CONFIG_EMI,
+	MX23_PAD_EMI_D06__EMI_D06 | MUX_CONFIG_EMI,
+	MX23_PAD_EMI_D07__EMI_D07 | MUX_CONFIG_EMI,
+	MX23_PAD_EMI_D08__EMI_D08 | MUX_CONFIG_EMI,
+	MX23_PAD_EMI_D09__EMI_D09 | MUX_CONFIG_EMI,
+	MX23_PAD_EMI_D10__EMI_D10 | MUX_CONFIG_EMI,
+	MX23_PAD_EMI_D11__EMI_D11 | MUX_CONFIG_EMI,
+	MX23_PAD_EMI_D12__EMI_D12 | MUX_CONFIG_EMI,
+	MX23_PAD_EMI_D13__EMI_D13 | MUX_CONFIG_EMI,
+	MX23_PAD_EMI_D14__EMI_D14 | MUX_CONFIG_EMI,
+	MX23_PAD_EMI_D15__EMI_D15 | MUX_CONFIG_EMI,
+	MX23_PAD_EMI_DQM0__EMI_DQM0 | MUX_CONFIG_EMI,
+	MX23_PAD_EMI_DQM1__EMI_DQM1 | MUX_CONFIG_EMI,
+	MX23_PAD_EMI_DQS0__EMI_DQS0 | MUX_CONFIG_EMI,
+	MX23_PAD_EMI_DQS1__EMI_DQS1 | MUX_CONFIG_EMI,
+	MX23_PAD_EMI_CLK__EMI_CLK | MUX_CONFIG_EMI,
+	MX23_PAD_EMI_CLKN__EMI_CLKN | MUX_CONFIG_EMI,
+
+	MX23_PAD_EMI_A00__EMI_A00 | MUX_CONFIG_EMI,
+	MX23_PAD_EMI_A01__EMI_A01 | MUX_CONFIG_EMI,
+	MX23_PAD_EMI_A02__EMI_A02 | MUX_CONFIG_EMI,
+	MX23_PAD_EMI_A03__EMI_A03 | MUX_CONFIG_EMI,
+	MX23_PAD_EMI_A04__EMI_A04 | MUX_CONFIG_EMI,
+	MX23_PAD_EMI_A05__EMI_A05 | MUX_CONFIG_EMI,
+	MX23_PAD_EMI_A06__EMI_A06 | MUX_CONFIG_EMI,
+	MX23_PAD_EMI_A07__EMI_A07 | MUX_CONFIG_EMI,
+	MX23_PAD_EMI_A08__EMI_A08 | MUX_CONFIG_EMI,
+	MX23_PAD_EMI_A09__EMI_A09 | MUX_CONFIG_EMI,
+	MX23_PAD_EMI_A10__EMI_A10 | MUX_CONFIG_EMI,
+	MX23_PAD_EMI_A11__EMI_A11 | MUX_CONFIG_EMI,
+	MX23_PAD_EMI_A12__EMI_A12 | MUX_CONFIG_EMI,
+	MX23_PAD_EMI_BA0__EMI_BA0 | MUX_CONFIG_EMI,
+	MX23_PAD_EMI_BA1__EMI_BA1 | MUX_CONFIG_EMI,
+
+	MX23_PAD_EMI_CASN__EMI_CASN | MUX_CONFIG_EMI,
+	MX23_PAD_EMI_CE0N__EMI_CE0N | MUX_CONFIG_EMI,
+	MX23_PAD_EMI_CE1N__EMI_CE1N | MUX_CONFIG_EMI,
+	MX23_PAD_EMI_CKE__EMI_CKE | MUX_CONFIG_EMI,
+	MX23_PAD_EMI_RASN__EMI_RASN | MUX_CONFIG_EMI,
+	MX23_PAD_EMI_WEN__EMI_WEN | MUX_CONFIG_EMI,
+
+	/* MMC 0 */
+	MX23_PAD_SSP1_DATA0__SSP1_DATA0 | MUX_CONFIG_SSP1,
+	MX23_PAD_SSP1_DATA1__SSP1_DATA1 | MUX_CONFIG_SSP1,
+	MX23_PAD_SSP1_DATA2__SSP1_DATA2 | MUX_CONFIG_SSP1,
+	MX23_PAD_SSP1_DATA3__SSP1_DATA3 | MUX_CONFIG_SSP1,
+	MX23_PAD_GPMI_D08__SSP1_DATA4 | MUX_CONFIG_SSP1,
+	MX23_PAD_GPMI_D09__SSP1_DATA5 | MUX_CONFIG_SSP1,
+	MX23_PAD_GPMI_D10__SSP1_DATA6 | MUX_CONFIG_SSP1,
+	MX23_PAD_GPMI_D11__SSP1_DATA7 | MUX_CONFIG_SSP1,
+	MX23_PAD_SSP1_CMD__SSP1_CMD | MUX_CONFIG_SSP1,
+	MX23_PAD_SSP1_DETECT__SSP1_DETECT | MUX_CONFIG_SSP1,
+		(MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
+	MX23_PAD_SSP1_SCK__SSP1_SCK |
+		(MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
+	/* Write Protect Pin */
+	MX23_PAD_PWM4__GPIO_1_30 |
+		(MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
+	/* Slot Power Enable */
+	MX23_PAD_PWM3__GPIO_1_29 |
+		(MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
+};
+
+void board_init_ll(void)
+{
+	mxs_common_spl_init(iomux_setup, ARRAY_SIZE(iomux_setup));
+}
diff --git a/boards.cfg b/boards.cfg
index 9b31931..7d03620 100644
--- a/boards.cfg
+++ b/boards.cfg
@@ -193,6 +193,7 @@  imx27lite                    arm         arm926ejs   imx27lite           logicpd
 magnesium                    arm         arm926ejs   imx27lite           logicpd        mx27
 mx23_olinuxino               arm         arm926ejs   mx23_olinuxino      olimex         mxs		mx23_olinuxino
 apx4devkit                   arm         arm926ejs   apx4devkit          bluegiga       mxs		apx4devkit
+mx23evk                      arm         arm926ejs   mx23evk             freescale      mxs		mx23evk
 m28evk                       arm         arm926ejs   m28evk              denx           mxs		m28evk
 mx28evk                      arm         arm926ejs   mx28evk             freescale      mxs		mx28evk
 sc_sps_1                     arm         arm926ejs   sc_sps_1            schulercontrol mxs
diff --git a/include/configs/mx23evk.h b/include/configs/mx23evk.h
new file mode 100644
index 0000000..27f1b70
--- /dev/null
+++ b/include/configs/mx23evk.h
@@ -0,0 +1,252 @@ 
+/*
+ * Freescale i.MX23 CLKCTRL Register Definitions
+ *
+ * Copyright (C) 2013 Otavio Salvador <otavio@ossystems.com.br>
+ * on behalf of O.S. Systems Software LTDA.
+ *
+ * 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 __MX23EVK_CONFIG_H__
+#define __MX23EVK_CONFIG_H__
+
+/*
+ * SoC configurations
+ */
+#define CONFIG_MX23				/* i.MX23 SoC */
+
+#include <asm/arch/regs-base.h>
+
+#define CONFIG_MXS_GPIO			/* GPIO control */
+#define CONFIG_SYS_HZ		1000		/* Ticks per second */
+
+#define CONFIG_MACH_TYPE	MACH_TYPE_MX23EVK
+
+#define CONFIG_SYS_NO_FLASH
+#define CONFIG_SYS_ICACHE_OFF
+#define CONFIG_SYS_DCACHE_OFF
+#define CONFIG_BOARD_EARLY_INIT_F
+#define CONFIG_ARCH_MISC_INIT
+
+/*
+ * SPL
+ */
+#define CONFIG_SPL
+#define CONFIG_SPL_NO_CPU_SUPPORT_CODE
+#define CONFIG_SPL_START_S_PATH	"arch/arm/cpu/arm926ejs/mxs"
+#define CONFIG_SPL_LDSCRIPT	"arch/arm/cpu/arm926ejs/mxs/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>
+#undef CONFIG_CMD_NET
+#undef CONFIG_CMD_NFS
+
+#define CONFIG_DISPLAY_CPUINFO
+#define CONFIG_DOS_PARTITION
+
+#define CONFIG_CMD_CACHE
+#define CONFIG_CMD_DATE
+#define CONFIG_CMD_FAT
+#define CONFIG_CMD_EXT4
+#define CONFIG_CMD_GPIO
+#define CONFIG_CMD_SPI
+#define CONFIG_CMD_MMC
+#define CONFIG_CMD_BOOTZ
+
+/*
+ * Memory configurations
+ */
+#define CONFIG_NR_DRAM_BANKS		1		/* 1 bank of DRAM */
+#define PHYS_SDRAM_1			0x40000000	/* Base address */
+#define PHYS_SDRAM_1_SIZE		0x08000000  /* Max 128 MB RAM */
+#define CONFIG_STACKSIZE		(128 * 1024)	/* 128 KB stack */
+#define CONFIG_SYS_MALLOC_LEN		0x00400000	/* 4 MB for malloc */
+#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
+
+#define CONFIG_ENV_OVERWRITE
+
+/*
+ * U-Boot general configurations
+ */
+#define CONFIG_SYS_LONGHELP
+#define CONFIG_SYS_PROMPT	"MX23EVK U-Boot > "
+#define CONFIG_SYS_CBSIZE	256		/* 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 }
+
+/*
+ * DMA
+ */
+#define CONFIG_APBH_DMA
+
+/*
+ * MMC Driver
+ */
+#define CONFIG_ENV_IS_IN_MMC
+#ifdef CONFIG_ENV_IS_IN_MMC
+ #define CONFIG_ENV_OFFSET	(256 * 1024)
+ #define CONFIG_ENV_SIZE	(16 * 1024)
+ #define CONFIG_SYS_MMC_ENV_DEV 0
+#endif
+#define CONFIG_CMD_SAVEENV
+#ifdef	CONFIG_CMD_MMC
+#define CONFIG_MMC
+#define CONFIG_GENERIC_MMC
+#define CONFIG_BOUNCE_BUFFER
+#define CONFIG_MXS_MMC
+#endif
+
+/*
+ * RTC
+ */
+#ifdef	CONFIG_CMD_DATE
+#define	CONFIG_RTC_MXS
+#endif
+
+/*
+ * USB
+ */
+#ifdef	CONFIG_CMD_USB
+#define	CONFIG_USB_EHCI
+#define	CONFIG_USB_EHCI_MXS
+#define	CONFIG_EHCI_MXS_PORT 1
+#define	CONFIG_EHCI_IS_TDI
+#define	CONFIG_USB_STORAGE
+#endif
+
+/*
+ * SPI
+ */
+#ifdef CONFIG_CMD_SPI
+#define CONFIG_HARD_SPI
+#define CONFIG_MXS_SPI
+#define CONFIG_SPI_HALF_DUPLEX
+#define CONFIG_DEFAULT_SPI_BUS		2
+#define CONFIG_DEFAULT_SPI_MODE		SPI_MODE_0
+#endif
+
+/*
+ * Boot Linux
+ */
+#define CONFIG_CMDLINE_TAG
+#define CONFIG_SETUP_MEMORY_TAGS
+#define CONFIG_BOOTDELAY	3
+#define CONFIG_BOOTFILE	"uImage"
+#define CONFIG_LOADADDR	0x42000000
+#define CONFIG_SYS_LOAD_ADDR	CONFIG_LOADADDR
+#define CONFIG_OF_LIBFDT
+
+/*
+ * 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 ${fw_sz} ; " \
+		"fi ; "	\
+		"fi\0" \
+	"script=boot.scr\0"	\
+	"uimage=uImage\0" \
+	"console=ttyAMA0\0" \
+	"fdt_file=imx23-evk.dtb\0" \
+	"fdt_addr=0x41000000\0" \
+	"boot_fdt=try\0" \
+	"mmcdev=0\0" \
+	"mmcpart=2\0" \
+	"mmcroot=/dev/mmcblk0p3 rw rootwait\0" \
+	"mmcargs=setenv bootargs console=${console},${baudrate} " \
+		"root=${mmcroot}\0" \
+	"loadbootscript="  \
+		"fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${script};\0" \
+	"bootscript=echo Running bootscript from mmc ...; "	\
+		"source\0" \
+	"loaduimage=fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${uimage}\0" \
+	"loadfdt=fatload mmc ${mmcdev}:${mmcpart} ${fdt_addr} ${fdt_file}\0" \
+	"mmcboot=echo Booting from mmc ...; " \
+		"run mmcargs; " \
+		"if test ${boot_fdt} = yes || test ${boot_fdt} = try; then " \
+			"if run loadfdt; then " \
+				"bootm ${loadaddr} - ${fdt_addr}; " \
+			"else " \
+				"if test ${boot_fdt} = try; then " \
+					"bootm; " \
+				"else " \
+					"echo WARN: Cannot load the DT; " \
+				"fi; " \
+			"fi; " \
+		"else " \
+			"bootm; " \
+		"fi;\0"
+
+#define CONFIG_BOOTCOMMAND \
+	"mmc dev ${mmcdev}; if mmc rescan; then " \
+		"if run loadbootscript; then " \
+			"run bootscript; " \
+		"else " \
+			"if run loaduimage; then " \
+				"run mmcboot; " \
+			"else " \
+				"echo ERR: Fail to boot from MMC; " \
+			"fi; " \
+		"fi; " \
+	"else exit; fi"
+
+#endif /* __MX23EVK_CONFIG_H__ */