Patchwork [U-Boot,v2,6/6] imx: Add support for zmx25 board

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Submitter Matthias Weisser
Date July 6, 2011, 10:28 a.m.
Message ID <1309948113-12971-7-git-send-email-weisserm@arcor.de>
Download mbox | patch
Permalink /patch/103451/
State Accepted
Commit 39f0023e81c27fc41cf19bde4ad9ed2ef8f13270
Delegated to: Stefano Babic
Headers show

Comments

Matthias Weisser - July 6, 2011, 10:28 a.m.
zmx25 is a board based on imx25 SoC, 64 Megs of LPDDR, 32 Megs of NOR flash, an
optional NAND flash.

Signed-off-by: Matthias Weisser <weisserm@arcor.de>
---
Changes in v2:
  - Using mxc_gpio now
  - Factored out asm macros

 MAINTAINERS                            |    1 +
 arch/arm/include/asm/arch-mx25/macro.h |   64 ++++++++++
 board/syteco/zmx25/Makefile            |   51 ++++++++
 board/syteco/zmx25/lowlevel_init.S     |  110 +++++++++++++++++
 board/syteco/zmx25/zmx25.c             |  203 ++++++++++++++++++++++++++++++++
 boards.cfg                             |    1 +
 include/configs/zmx25.h                |  180 ++++++++++++++++++++++++++++
 7 files changed, 610 insertions(+), 0 deletions(-)
 create mode 100644 arch/arm/include/asm/arch-mx25/macro.h
 create mode 100644 board/syteco/zmx25/Makefile
 create mode 100644 board/syteco/zmx25/lowlevel_init.S
 create mode 100644 board/syteco/zmx25/zmx25.c
 create mode 100644 include/configs/zmx25.h
Stefano Babic - July 13, 2011, 11:36 a.m.
On 07/06/2011 12:28 PM, Matthias Weisser wrote:
> zmx25 is a board based on imx25 SoC, 64 Megs of LPDDR, 32 Megs of NOR flash, an
> optional NAND flash.
> 
> Signed-off-by: Matthias Weisser <weisserm@arcor.de>

Applied to u-boot-imx, thanks

Best regards,
Stefano Babic

Patch

diff --git a/MAINTAINERS b/MAINTAINERS
index 2bba7b4..5b633af 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -892,6 +892,7 @@  Lei Wen <leiwen@marvell.com>
 Matthias Weisser <weisserm@arcor.de>
 
 	jadecpu		ARM926EJS (MB86R01 SoC)
+	zmx25		ARM926EJS (imx25 SoC)
 
 Richard Woodruff <r-woodruff2@ti.com>
 
diff --git a/arch/arm/include/asm/arch-mx25/macro.h b/arch/arm/include/asm/arch-mx25/macro.h
new file mode 100644
index 0000000..276c71c
--- /dev/null
+++ b/arch/arm/include/asm/arch-mx25/macro.h
@@ -0,0 +1,64 @@ 
+/*
+ * (C) Copyright 2011
+ * Matthias Weisser <weisserm@arcor.de>
+ *
+ * (C) Copyright 2009 DENX Software Engineering
+ * Author: John Rigby <jrigby@gmail.com>
+ *
+ * Common asm macros for imx25
+ *
+ * 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
+ */
+
+#ifndef __ASM_ARM_ARCH_MACRO_H__
+#define __ASM_ARM_ARCH_MACRO_H__
+#ifdef __ASSEMBLY__
+
+#include <asm/arch/imx-regs.h>
+#include <asm/arch/asm-offsets.h>
+
+.macro init_aips
+	write32	IMX_AIPS1_BASE + AIPS_MPR_0_7, 0x77777777
+	write32	IMX_AIPS1_BASE + AIPS_MPR_8_15, 0x77777777
+	write32	IMX_AIPS2_BASE + AIPS_MPR_0_7, 0x77777777
+	write32	IMX_AIPS2_BASE + AIPS_MPR_8_15, 0x77777777
+.endm
+
+.macro init_max
+	write32	IMX_MAX_BASE + MAX_MPR0, 0x43210
+	write32	IMX_MAX_BASE + MAX_MPR1, 0x43210
+	write32	IMX_MAX_BASE + MAX_MPR2, 0x43210
+	write32	IMX_MAX_BASE + MAX_MPR3, 0x43210
+	write32	IMX_MAX_BASE + MAX_MPR4, 0x43210
+
+	write32	IMX_MAX_BASE + MAX_SGPCR0, 0x10
+	write32	IMX_MAX_BASE + MAX_SGPCR1, 0x10
+	write32	IMX_MAX_BASE + MAX_SGPCR2, 0x10
+	write32	IMX_MAX_BASE + MAX_SGPCR3, 0x10
+	write32	IMX_MAX_BASE + MAX_SGPCR4, 0x10
+
+	write32	IMX_MAX_BASE + MAX_MGPCR0, 0x0
+	write32	IMX_MAX_BASE + MAX_MGPCR1, 0x0
+	write32	IMX_MAX_BASE + MAX_MGPCR2, 0x0
+	write32	IMX_MAX_BASE + MAX_MGPCR3, 0x0
+	write32	IMX_MAX_BASE + MAX_MGPCR4, 0x0
+.endm
+
+#endif /* __ASSEMBLY__ */
+#endif /* __ASM_ARM_ARCH_MACRO_H__ */
diff --git a/board/syteco/zmx25/Makefile b/board/syteco/zmx25/Makefile
new file mode 100644
index 0000000..5a0e5b3
--- /dev/null
+++ b/board/syteco/zmx25/Makefile
@@ -0,0 +1,51 @@ 
+#
+# (c) 2010 Graf-Syteco, Matthias Weisser
+# <weisserm@arcor.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
+
+COBJS-y	+= zmx25.o
+SOBJS	:= lowlevel_init.o
+
+SRCS	:= $(SOBJS:.o=.S) $(COBJS-y:.o=.c)
+OBJS	:= $(addprefix $(obj),$(COBJS-y))
+SOBJS	:= $(addprefix $(obj),$(SOBJS))
+
+$(LIB):	$(obj).depend $(OBJS) $(SOBJS)
+	$(call cmd_link_o_target, $(OBJS) $(SOBJS))
+
+clean:
+	rm -f $(SOBJS) $(OBJS)
+
+distclean:	clean
+	rm -f $(LIB) core *.bak $(obj).depend
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
diff --git a/board/syteco/zmx25/lowlevel_init.S b/board/syteco/zmx25/lowlevel_init.S
new file mode 100644
index 0000000..8e63de0
--- /dev/null
+++ b/board/syteco/zmx25/lowlevel_init.S
@@ -0,0 +1,110 @@ 
+/*
+ * (C) Copyright 2011
+ * Matthias Weisser <weisserm@arcor.de>
+ *
+ * (C) Copyright 2009 DENX Software Engineering
+ * Author: John Rigby <jrigby@gmail.com>
+ *
+ * Based on U-Boot and RedBoot sources for several different i.mx
+ * platforms.
+ *
+ * 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 <asm/macro.h>
+#include <asm/arch/macro.h>
+#include <asm/arch/imx-regs.h>
+#include <asm/arch/asm-offsets.h>
+
+/*
+ * clocks
+ */
+.macro init_clocks
+
+	/* disable clock output */
+	write32	IMX_CCM_BASE + CCM_MCR, 0x00000000
+	write32	IMX_CCM_BASE + CCM_CCTL, 0x50030000
+
+	/*
+	 * enable all implemented clocks in all three
+	 * clock control registers
+	 */
+	write32	IMX_CCM_BASE + CCM_CGCR0, 0x1fffffff
+	write32	IMX_CCM_BASE + CCM_CGCR1, 0xffffffff
+	write32	IMX_CCM_BASE + CCM_CGCR2, 0xfffff
+
+	/* Devide NAND clock by 32 */
+	write32	IMX_CCM_BASE + CCM_PCDR2, 0x0101011F
+.endm
+
+/*
+ * sdram controller init
+ */
+.macro init_lpddr
+	ldr	r0, =IMX_ESDRAMC_BASE
+	ldr	r2, =IMX_SDRAM_BANK0_BASE
+
+	/*
+	 * reset SDRAM controller
+	 * then wait for initialization to complete
+	 */
+	ldr	r1, =(1 << 1) | (1 << 2)
+	str	r1, [r0, #ESDRAMC_ESDMISC]
+1:	ldr	r3, [r0, #ESDRAMC_ESDMISC]
+	tst	r3, #(1 << 31)
+	beq	1b
+	ldr	r1, =(1 << 2)
+	str	r1, [r0, #ESDRAMC_ESDMISC]
+
+	ldr	r1, =0x002a7420
+	str	r1, [r0, #ESDRAMC_ESDCFG0]
+
+	/* control | precharge */
+	ldr	r1, =0x92216008
+	str	r1, [r0, #ESDRAMC_ESDCTL0]
+	/* dram command encoded in address */
+	str	r1, [r2, #0x400]
+
+	/* auto refresh */
+	ldr	r1, =0xa2216008
+	str	r1, [r0, #ESDRAMC_ESDCTL0]
+	/* read dram twice to auto refresh */
+	ldr	    r3, [r2]
+	ldr     r3, [r2]
+
+	/* control | load mode */
+	ldr	r1, =0xb2216008
+	str	r1, [r0, #ESDRAMC_ESDCTL0]
+
+	/* mode register of lpddram */
+	strb	r1, [r2, #0x33]
+
+	/* extended mode register of lpddrram */
+	ldr		r2, =0x81000000
+	strb	r1, [r2]
+
+	/* control | normal */
+	ldr	r1, =0x82216008
+	str	r1, [r0, #ESDRAMC_ESDCTL0]
+.endm
+
+.globl lowlevel_init
+lowlevel_init:
+	init_aips
+	init_max
+	init_clocks
+	init_lpddr
+	mov	pc, lr
diff --git a/board/syteco/zmx25/zmx25.c b/board/syteco/zmx25/zmx25.c
new file mode 100644
index 0000000..f055038
--- /dev/null
+++ b/board/syteco/zmx25/zmx25.c
@@ -0,0 +1,203 @@ 
+/*
+ * (c) 2011 Graf-Syteco, Matthias Weisser
+ * <weisserm@arcor.de>
+ *
+ * Based on tx25.c:
+ * (C) Copyright 2009 DENX Software Engineering
+ * Author: John Rigby <jrigby@gmail.com>
+ *
+ * Based on imx27lite.c:
+ *   Copyright (C) 2008,2009 Eric Jarrige <jorasse@users.sourceforge.net>
+ *   Copyright (C) 2009 Ilya Yanok <yanok@emcraft.com>
+ * And:
+ *   RedBoot tx25_misc.c Copyright (C) 2009 Red Hat
+ *
+ * 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 <mxc_gpio.h>
+#include <asm/io.h>
+#include <asm/arch/imx-regs.h>
+#include <asm/arch/imx25-pinmux.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+int board_init()
+{
+	struct iomuxc_mux_ctl *muxctl;
+	struct iomuxc_pad_ctl *padctl;
+	struct iomuxc_pad_input_select *inputselect;
+	u32 gpio_mux_mode0_sion = MX25_PIN_MUX_MODE(0) | MX25_PIN_MUX_SION;
+	u32 gpio_mux_mode1 = MX25_PIN_MUX_MODE(1);
+	u32 gpio_mux_mode5 = MX25_PIN_MUX_MODE(5);
+	u32 gpio_mux_mode6 = MX25_PIN_MUX_MODE(6);
+	u32 input_select1 = MX25_PAD_INPUT_SELECT_DAISY(1);
+	u32 input_select2 = MX25_PAD_INPUT_SELECT_DAISY(2);
+
+	icache_enable();
+
+	muxctl = (struct iomuxc_mux_ctl *)IMX_IOPADMUX_BASE;
+	padctl = (struct iomuxc_pad_ctl *)IMX_IOPADCTL_BASE;
+	inputselect = (struct iomuxc_pad_input_select *)IMX_IOPADINPUTSEL_BASE;
+
+	/* Setup of core volatage selection pin to run at 1.4V */
+	writel(gpio_mux_mode5, &muxctl->pad_ext_armclk); /* VCORE GPIO3[15] */
+	mxc_gpio_direction(MXC_GPIO_PORT_TO_NUM(3, 15), MXC_GPIO_DIRECTION_OUT);
+	mxc_gpio_set(MXC_GPIO_PORT_TO_NUM(3, 15), 1);
+
+	/* Setup of input daisy chains for SD card pins*/
+	writel(gpio_mux_mode0_sion, &muxctl->pad_sd1_cmd);
+	writel(gpio_mux_mode0_sion, &muxctl->pad_sd1_clk);
+	writel(gpio_mux_mode0_sion, &muxctl->pad_sd1_data0);
+	writel(gpio_mux_mode0_sion, &muxctl->pad_sd1_data1);
+	writel(gpio_mux_mode0_sion, &muxctl->pad_sd1_data2);
+	writel(gpio_mux_mode0_sion, &muxctl->pad_sd1_data3);
+
+	/* Setup of digital output for USB power and OC */
+	writel(gpio_mux_mode5, &muxctl->pad_csi_d3); /* USB Power GPIO1[28] */
+	mxc_gpio_direction(MXC_GPIO_PORT_TO_NUM(1, 28), MXC_GPIO_DIRECTION_OUT);
+	mxc_gpio_set(MXC_GPIO_PORT_TO_NUM(1, 28), 1);
+
+	writel(gpio_mux_mode5, &muxctl->pad_csi_d2); /* USB OC GPIO1[27] */
+	mxc_gpio_direction(MXC_GPIO_PORT_TO_NUM(1, 18), MXC_GPIO_DIRECTION_IN);
+
+	/* Setup of digital output control pins */
+	writel(gpio_mux_mode5, &muxctl->pad_csi_d8); /* Ouput 1 Ctrl GPIO1[7] */
+	writel(gpio_mux_mode5, &muxctl->pad_csi_d7); /* Ouput 2 Ctrl GPIO1[6] */
+	writel(gpio_mux_mode5, &muxctl->pad_csi_d6); /* Ouput 1 Stat GPIO1[31]*/
+	writel(gpio_mux_mode5, &muxctl->pad_csi_d5); /* Ouput 2 Stat GPIO1[30]*/
+
+	writel(0, &padctl->pad_csi_d6); /* Ouput 1 Stat pull up off */
+	writel(0, &padctl->pad_csi_d5); /* Ouput 2 Stat pull up off */
+
+	/* Switch both output drivers off */
+	mxc_gpio_set(MXC_GPIO_PORT_TO_NUM(1, 7), 0);
+	mxc_gpio_direction(MXC_GPIO_PORT_TO_NUM(1, 7), MXC_GPIO_DIRECTION_OUT);
+	mxc_gpio_set(MXC_GPIO_PORT_TO_NUM(1, 6), 0);
+	mxc_gpio_direction(MXC_GPIO_PORT_TO_NUM(1, 6), MXC_GPIO_DIRECTION_OUT);
+
+	/* Setup of key input pin GPIO2[29]*/
+	writel(gpio_mux_mode5 | MX25_PIN_MUX_SION, &muxctl->pad_kpp_row0);
+	writel(0, &padctl->pad_kpp_row0); /* Key pull up off */
+	mxc_gpio_direction(MXC_GPIO_PORT_TO_NUM(2, 29), MXC_GPIO_DIRECTION_IN);
+
+	/* Setup of status LED outputs */
+	writel(gpio_mux_mode5, &muxctl->pad_csi_d9);	/* GPIO4[21] */
+	writel(gpio_mux_mode5, &muxctl->pad_csi_d4);	/* GPIO1[29] */
+
+	/* Switch both LEDs off */
+	mxc_gpio_set(MXC_GPIO_PORT_TO_NUM(4, 21), 0);
+	mxc_gpio_direction(MXC_GPIO_PORT_TO_NUM(4, 21), MXC_GPIO_DIRECTION_OUT);
+	mxc_gpio_set(MXC_GPIO_PORT_TO_NUM(1, 29), 0);
+	mxc_gpio_direction(MXC_GPIO_PORT_TO_NUM(1, 29), MXC_GPIO_DIRECTION_OUT);
+
+	/* Setup of CAN1 and CAN2 signals */
+	writel(gpio_mux_mode6, &muxctl->pad_gpio_a);	/* CAN1 TX */
+	writel(gpio_mux_mode6, &muxctl->pad_gpio_b);	/* CAN1 RX */
+	writel(gpio_mux_mode6, &muxctl->pad_gpio_c);	/* CAN2 TX */
+	writel(gpio_mux_mode6, &muxctl->pad_gpio_d);	/* CAN2 RX */
+
+	/* Setup of input daisy chains for CAN signals*/
+	writel(input_select1, &inputselect->can1_ipp_ind_canrx); /* CAN1 RX */
+	writel(input_select1, &inputselect->can2_ipp_ind_canrx); /* CAN2 RX */
+
+	/* Setup of I2C3 signals */
+	writel(gpio_mux_mode1, &muxctl->pad_cspi1_ss1);	/* I2C3 SDA */
+	writel(gpio_mux_mode1, &muxctl->pad_gpio_e);	/* I2C3 SCL */
+
+	/* Setup of input daisy chains for I2C3 signals*/
+	writel(input_select1, &inputselect->i2c3_ipp_sda_in);	/* I2C3 SDA */
+	writel(input_select2, &inputselect->i2c3_ipp_scl_in);	/* I2C3 SCL */
+
+	/* board id for linux */
+	gd->bd->bi_arch_number = MACH_TYPE_ZMX25;
+	gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
+
+	return 0;
+}
+
+int board_late_init(void)
+{
+	const char *e;
+
+#ifdef CONFIG_FEC_MXC
+	struct iomuxc_mux_ctl *muxctl;
+	struct iomuxc_pad_ctl *padctl;
+	u32 gpio_mux_mode2 = MX25_PIN_MUX_MODE(2);
+	u32 gpio_mux_mode5 = MX25_PIN_MUX_MODE(5);
+
+	/*
+	 * fec pin init is generic
+	 */
+	mx25_fec_init_pins();
+
+	/*
+	 * Set up LAN-RESET and FEC_RX_ERR
+	 *
+	 * LAN-RESET:  GPIO3[16] is ALT 5 mode of pin U20
+	 * FEC_RX_ERR: FEC_RX_ERR is ALT 2 mode of pin R2
+	 */
+	muxctl = (struct iomuxc_mux_ctl *)IMX_IOPADMUX_BASE;
+	padctl = (struct iomuxc_pad_ctl *)IMX_IOPADCTL_BASE;
+
+	writel(gpio_mux_mode5, &muxctl->pad_upll_bypclk);
+	writel(gpio_mux_mode2, &muxctl->pad_uart2_cts);
+
+	/* assert PHY reset (low) */
+	mxc_gpio_set(MXC_GPIO_PORT_TO_NUM(3, 16), 0);
+	mxc_gpio_direction(MXC_GPIO_PORT_TO_NUM(3, 16), MXC_GPIO_DIRECTION_OUT);
+
+	udelay(5000);
+
+	/* deassert PHY reset */
+	mxc_gpio_set(MXC_GPIO_PORT_TO_NUM(3, 16), 1);
+
+	udelay(5000);
+#endif
+
+	e = getenv("gs_base_board");
+	if (e != NULL) {
+		if (strcmp(e, "G283") == 0) {
+			int key = mxc_gpio_get(MXC_GPIO_PORT_TO_NUM(2, 29));
+
+			if (key) {
+				/* Switch on both LEDs to inidcate boot mode */
+				mxc_gpio_set(MXC_GPIO_PORT_TO_NUM(1, 29), 0);
+				mxc_gpio_set(MXC_GPIO_PORT_TO_NUM(4, 21), 0);
+
+				setenv("preboot", "run gs_slow_boot");
+			} else
+				setenv("preboot", "run gs_fast_boot");
+		}
+	}
+
+	return 0;
+}
+
+int dram_init(void)
+{
+	/* dram_init must store complete ramsize in gd->ram_size */
+	gd->ram_size = get_ram_size((void *)PHYS_SDRAM,
+				PHYS_SDRAM_SIZE);
+	return 0;
+}
+
+void dram_init_banksize(void)
+{
+	gd->bd->bi_dram[0].start = PHYS_SDRAM;
+	gd->bd->bi_dram[0].size = gd->ram_size;
+}
diff --git a/boards.cfg b/boards.cfg
index dfefc3f..5af3b88 100644
--- a/boards.cfg
+++ b/boards.cfg
@@ -127,6 +127,7 @@  rd6281a                      arm         arm926ejs   -                   Marvell
 sheevaplug                   arm         arm926ejs   -                   Marvell        kirkwood
 dockstar                     arm         arm926ejs   -                   Seagate        kirkwood
 jadecpu                      arm         arm926ejs   jadecpu             syteco         mb86r0x
+zmx25                        arm         arm926ejs   zmx25               syteco         mx25
 imx27lite                    arm         arm926ejs   imx27lite           logicpd        mx27
 magnesium                    arm         arm926ejs   imx27lite           logicpd        mx27
 nhk8815                      arm         arm926ejs   nhk8815             st             nomadik
diff --git a/include/configs/zmx25.h b/include/configs/zmx25.h
new file mode 100644
index 0000000..374c88a
--- /dev/null
+++ b/include/configs/zmx25.h
@@ -0,0 +1,180 @@ 
+/*
+ * (c) 2011 Graf-Syteco, Matthias Weisser
+ * <weisserm@arcor.de>
+ *
+ * Configuation settings for the zmx25 board
+ *
+ * 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
+ */
+
+#ifndef __CONFIG_H
+#define __CONFIG_H
+
+#define CONFIG_ARM926EJS			/* arm926ejs CPU core */
+#define CONFIG_MX25
+#define CONFIG_MX25_CLK32		32768	/* OSC32K frequency */
+#define CONFIG_SYS_HZ			1000
+#define CONFIG_SYS_TEXT_BASE		0xA0000000
+
+/*
+ * Environment settings
+ */
+#define CONFIG_EXTRA_ENV_SETTINGS \
+	"gs_fast_boot=setenv bootdelay 5\0" \
+	"gs_slow_boot=setenv bootdelay 10\0" \
+	"bootcmd=dcache off; mw.l 0x81000000 0 1024; usb start;" \
+		"fatls usb 0; fatload usb 0 0x81000000 zmx25-init.bin;" \
+		"bootm 0x81000000; bootelf 0x81000000\0"
+
+#define CONFIG_CMDLINE_TAG		/* enable passing of ATAGs	*/
+#define CONFIG_SETUP_MEMORY_TAGS
+#define CONFIG_INITRD_TAG
+#define BOARD_LATE_INIT
+
+/*
+ * Compressions
+ */
+#define CONFIG_LZO
+
+/*
+ * Hardware drivers
+ */
+
+/*
+ * GPIO
+ */
+#define CONFIG_MXC_GPIO
+
+/*
+ * Serial
+ */
+#define CONFIG_MXC_UART
+#define CONFIG_SYS_MX25_UART2
+#define CONFIG_CONS_INDEX	1	/* use UART2 for console */
+#define CONFIG_BAUDRATE		115200	/* Default baud rate */
+#define CONFIG_SYS_BAUDRATE_TABLE	{ 9600, 19200, 38400, 57600, 115200 }
+
+/*
+ * Ethernet
+ */
+#define CONFIG_FEC_MXC
+#define CONFIG_FEC_MXC_PHYADDR		0x00
+#define CONFIG_MII
+#define CONFIG_NET_MULTI
+
+/*
+ * BOOTP options
+ */
+#define CONFIG_BOOTP_BOOTFILESIZE
+#define CONFIG_BOOTP_BOOTPATH
+#define CONFIG_BOOTP_GATEWAY
+#define CONFIG_BOOTP_HOSTNAME
+
+/*
+ * Command line configuration.
+ */
+#include <config_cmd_default.h>
+#define CONFIG_CMD_NET
+#define CONFIG_CMD_CACHE
+
+#define CONFIG_SYS_64BIT_VSPRINTF
+
+/*
+ * Additional command
+ */
+#define CONFIG_CMD_DHCP
+#define CONFIG_CMD_PING
+#define CONFIG_CMD_ELF
+#define CONFIG_CMD_FAT
+#define CONFIG_CMD_USB
+
+#define CONFIG_SYS_HUSH_PARSER
+#define CONFIG_SYS_PROMPT_HUSH_PS2 "> "
+
+/*
+ * USB
+ */
+#ifdef CONFIG_CMD_USB
+#define CONFIG_USB_EHCI			/* Enable EHCI USB support */
+#define CONFIG_USB_EHCI_MXC
+#define CONFIG_EHCI_HCD_INIT_AFTER_RESET
+#define CONFIG_MXC_USB_PORT	2
+#define CONFIG_MXC_USB_PORTSC	0xC0000000
+#define CONFIG_MXC_USB_FLAGS	0
+#define CONFIG_EHCI_IS_TDI
+#define CONFIG_USB_STORAGE
+#define CONFIG_DOS_PARTITION
+#define CONFIG_SUPPORT_VFAT
+#endif /* CONFIG_CMD_USB */
+
+/* SDRAM */
+#define CONFIG_NR_DRAM_BANKS	1
+#define PHYS_SDRAM		0x80000000	/* start address of LPDDRRAM */
+#define PHYS_SDRAM_SIZE		0x04000000	/* 64 megs */
+
+#define CONFIG_SYS_SDRAM_BASE	PHYS_SDRAM
+#define CONFIG_SYS_INIT_SP_ADDR	0x78020000	/* end of internal SRAM */
+
+/*
+ * FLASH and environment organization
+ */
+#define CONFIG_SYS_FLASH_BASE		0xA0000000
+#define CONFIG_SYS_MAX_FLASH_BANKS	1
+#define CONFIG_SYS_MAX_FLASH_SECT	256
+
+#define CONFIG_ENV_ADDR			(CONFIG_SYS_FLASH_BASE + 0x00040000)
+#define CONFIG_ENV_IS_IN_FLASH		1
+#define CONFIG_ENV_SECT_SIZE		(128 * 1024)
+#define CONFIG_ENV_SIZE			(128 * 1024)
+
+/*
+ * CFI FLASH driver setup
+ */
+#define CONFIG_SYS_FLASH_CFI
+#define CONFIG_FLASH_CFI_DRIVER
+#define CONFIG_SYS_FLASH_USE_BUFFER_WRITE	/* ~10x faster */
+
+#define CONFIG_SYS_LOAD_ADDR		CONFIG_SYS_SDRAM_BASE
+
+#define CONFIG_SYS_MEMTEST_START	(PHYS_SDRAM + (512*1024))
+#define CONFIG_SYS_MEMTEST_END		(PHYS_SDRAM + PHYS_SDRAM_SIZE)
+
+#define CONFIG_SYS_PROMPT	"zmx25> "
+#define CONFIG_SYS_CBSIZE	256
+#define CONFIG_SYS_MAXARGS	16
+#define CONFIG_SYS_PBSIZE	(CONFIG_SYS_CBSIZE + \
+				sizeof(CONFIG_SYS_PROMPT) + 16)
+#define CONFIG_SYS_LONGHELP
+#define CONFIG_CMDLINE_EDITING
+
+#define CONFIG_PREBOOT  ""
+
+#define CONFIG_BOOTDELAY	5
+#define CONFIG_AUTOBOOT_KEYED
+#define CONFIG_AUTOBOOT_PROMPT "boot in %d s\n", bootdelay
+#define CONFIG_AUTOBOOT_DELAY_STR	"delaygs"
+#define CONFIG_AUTOBOOT_STOP_STR	"stopgs"
+
+/*
+ * Size of malloc() pool
+ */
+#define CONFIG_SYS_MALLOC_LEN		(0x400000 - 0x8000)
+#define CONFIG_STACKSIZE		(32*1024)	/* regular stack */
+
+#endif	/* __CONFIG_H */