[U-Boot-Users] [PATCH] Add MIMC200 board

Mark Jackson mpfj at mimc.co.uk
Mon Jul 28 12:16:58 CEST 2008


The MIMC200 board is based on Atmel's NGW100 dev kit,
but with an extra 8MByte FLASH and 128KByte FRAM.
---
 CREDITS                        |    4 ++
 MAINTAINERS                    |    4 ++
 MAKEALL                        |    1 +
 Makefile                       |    3 +
 board/atmel/mimc200/Makefile   |   40 +++++++++
 board/atmel/mimc200/config.mk  |    3 +
 board/atmel/mimc200/eth.c      |   36 ++++++++
 board/atmel/mimc200/mimc200.c  |  147 ++++++++++++++++++++++++++++++++
 board/atmel/mimc200/u-boot.lds |   73 ++++++++++++++++
 cpu/at32ap/at32ap700x/clk.c    |    8 ++++
 cpu/at32ap/at32ap700x/gpio.c   |    4 ++
 cpu/at32ap/cpu.c               |   14 +++++++
 drivers/serial/atmel_usart.c   |   43 +++++++++++++++++++++
 include/configs/mimc200.h      |  179 
++++++++++++++++++++++++++++++++++++++++
 net/eth.c                      |    4 ++
 15 files changed, 563 insertions(+), 0 deletions(-)

diff --git a/CREDITS b/CREDITS
index 2b0dab7..5010c78 100644
--- a/CREDITS
+++ b/CREDITS
@@ -217,6 +217,10 @@ H: Rich Ireland
 E: r.ireland at computer.org
 D: FPGA device configuration driver
 
+H: Mark Jackson
+E: mpfj at mimc.co.uk
+D: Port to MIMC200 board
+
 N: Gary Jennejohn
 E: garyj at jennejohn.org, gj at denx.de
 D: Support for Samsung ARM920T S3C2400X, ARM920T "TRAB"
diff --git a/MAINTAINERS b/MAINTAINERS
index cbe5c47..d4f6639 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -709,6 +709,10 @@ Haavard Skinnemoen <hskinnemoen at atmel.com>
     ATSTK1006    AT32AP7000
     ATNGW100    AT32AP7000
 
+Mark Jackson <mpfj at mimc.co.uk>
+
+    MIMC200        AT32AP7000
+
 #########################################################################
 # SuperH Systems:                            #
 #                                    #
diff --git a/MAKEALL b/MAKEALL
index c1a9c60..cfd376c 100755
--- a/MAKEALL
+++ b/MAKEALL
@@ -715,6 +715,7 @@ LIST_avr32="        \
     atstk1004    \
     atstk1006    \
     atngw100    \
+    mimc200        \
 "
 
 #########################################################################
diff --git a/Makefile b/Makefile
index 369bbd7..d85867c 100644
--- a/Makefile
+++ b/Makefile
@@ -2914,6 +2914,9 @@ atstk1004_config    :    unconfig
 atstk1006_config    :    unconfig
     @$(MKCONFIG) $(@:_config=) avr32 at32ap atstk1000 atmel at32ap700x
 
+mimc200_config    :    unconfig
+    @$(MKCONFIG) $(@:_config=) avr32 at32ap mimc200 atmel at32ap700x
+
 #========================================================================
 # SH3 (SuperH)
 #========================================================================
diff --git a/board/atmel/mimc200/config.mk b/board/atmel/mimc200/config.mk
new file mode 100644
index 0000000..9a794e5
--- /dev/null
+++ b/board/atmel/mimc200/config.mk
@@ -0,0 +1,3 @@
+TEXT_BASE        = 0x00000000
+PLATFORM_RELFLAGS    += -ffunction-sections -fdata-sections
+PLATFORM_LDFLAGS    += --gc-sections
diff --git a/board/atmel/mimc200/eth.c b/board/atmel/mimc200/eth.c
new file mode 100644
index 0000000..4e13399
--- /dev/null
+++ b/board/atmel/mimc200/eth.c
@@ -0,0 +1,36 @@
+/*
+ * Copyright (C) 2006 Atmel Corporation
+ *
+ * Ethernet initialization for the AVR32 Network Gateway
+ *
+ * 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/arch/memory-map.h>
+
+extern int macb_eth_initialize(int id, void *regs, unsigned int phy_addr);
+
+#ifdef CONFIG_CMD_NET
+void mimc200_eth_initialize(bd_t *bi)
+{
+    macb_eth_initialize(0, (void *)MACB0_BASE, bi->bi_phy_id[0]);
+    macb_eth_initialize(1, (void *)MACB1_BASE, bi->bi_phy_id[1]);
+}
+#endif
diff --git a/board/atmel/mimc200/Makefile b/board/atmel/mimc200/Makefile
new file mode 100644
index 0000000..1b5c635
--- /dev/null
+++ b/board/atmel/mimc200/Makefile
@@ -0,0 +1,40 @@
+#
+# Copyright (C) 2005-2006 Atmel Corporation
+#
+# 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).a
+
+COBJS    := $(BOARD).o eth.o
+
+SRCS    := $(SOBJS:.o=.S) $(COBJS:.o=.c)
+OBJS    := $(addprefix $(obj),$(SOBJS) $(COBJS))
+
+$(LIB): $(obj).depend $(OBJS)
+    $(AR) $(ARFLAGS) $@ $(OBJS)
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
diff --git a/board/atmel/mimc200/mimc200.c b/board/atmel/mimc200/mimc200.c
new file mode 100644
index 0000000..1b12639
--- /dev/null
+++ b/board/atmel/mimc200/mimc200.c
@@ -0,0 +1,147 @@
+/*
+ * Copyright (C) 2006 Atmel Corporation
+ *
+ * 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/io.h>
+#include <asm/sdram.h>
+#include <asm/arch/clk.h>
+#include <asm/arch/gpio.h>
+#include <asm/arch/hmatrix.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+static const struct sdram_config sdram_config = {
+    .data_bits    = SDRAM_DATA_16BIT,
+    .row_bits    = 13,
+    .col_bits    = 9,
+    .bank_bits    = 2,
+    .cas        = 3,
+    .twr        = 2,
+    .trc        = 6,
+    .trp        = 2,
+    .trcd        = 2,
+    .tras        = 6,
+    .txsr        = 6,
+    /* 15.6 us */
+    .refresh_period    = (156 * (SDRAMC_BUS_HZ / 1000)) / 10000,
+};
+
+int board_early_init_f(void)
+{
+    /* Enable SDRAM in the EBI mux */
+    hmatrix_slave_write(EBI, SFR, HMATRIX_BIT(EBI_SDRAM_ENABLE));
+
+    gpio_enable_ebi();
+    gpio_enable_usart1();
+
+    // enable higher address lines for larger flash devices
+    gpio_select_periph_A(GPIO_PIN_PE16, 0);    /* ADDR23 */
+    gpio_select_periph_A(GPIO_PIN_PE17, 0);    /* ADDR24 */
+    gpio_select_periph_A(GPIO_PIN_PE18, 0);    /* ADDR25 */
+
+    // enable data flash chip select
+    gpio_select_periph_A(GPIO_PIN_PE25, 0);    /* NCS2 */
+
+    // de-assert "force sys reset" pin
+    gpio_set_value(GPIO_PIN_PD15, 1);    /* FORCE RESET    */
+    gpio_select_pio(GPIO_PIN_PD15, GPIOF_OUTPUT);
+
+    // init custom i/o
+    // cpu type inputs
+    gpio_select_pio(GPIO_PIN_PE19, 0);
+    gpio_select_pio(GPIO_PIN_PE20, 0);
+    gpio_select_pio(GPIO_PIN_PE23, 0);
+    // main board type inputs
+    gpio_select_pio(GPIO_PIN_PB19, 0);
+    gpio_select_pio(GPIO_PIN_PB29, 0);
+    // DEBUG input (use weak pullup)
+    gpio_select_pio(GPIO_PIN_PE21, GPIOF_PULLUP);
+
+    // reset phys
+    gpio_select_pio(GPIO_PIN_PE24, 0);
+    gpio_set_value(GPIO_PIN_PC18, 1);    /* PHY RESET    */
+    gpio_select_pio(GPIO_PIN_PC18, GPIOF_OUTPUT);
+
+    // GCLK0 - 10MHz clock
+    gpio_select_periph_A(GPIO_PIN_PA30,    0);
+    // GCLK1 - 25MHz clock
+    //gpio_select_periph_A(GPIO_PIN_PA31,    0);
+
+    udelay(5000);
+
+    // release phys reset
+    gpio_set_value(GPIO_PIN_PC18, 0);    /* PHY RESET (Release)    */
+
+#if defined(CONFIG_MACB)
+    gpio_enable_macb0();
+    gpio_enable_macb1();
+#endif
+#if defined(CONFIG_MMC)
+    gpio_enable_mmci();
+#endif
+
+    return 0;
+}
+
+phys_size_t initdram(int board_type)
+{
+    unsigned long expected_size;
+    unsigned long actual_size;
+    void *sdram_base;
+
+    sdram_base = map_physmem(EBI_SDRAM_BASE, EBI_SDRAM_SIZE, MAP_NOCACHE);
+
+    expected_size = sdram_init(sdram_base, &sdram_config);
+    actual_size = get_ram_size(sdram_base, expected_size);
+
+    unmap_physmem(sdram_base, EBI_SDRAM_SIZE);
+
+    if (expected_size != actual_size)
+        printf("Warning: Only %lu of %lu MiB SDRAM is working\n",
+                actual_size >> 20, expected_size >> 20);
+
+    return actual_size;
+}
+
+void board_init_info(void)
+{
+    gd->bd->bi_phy_id[0] = 0x01;
+    gd->bd->bi_phy_id[1] = 0x03;
+}
+
+/* SPI chip select control */
+#ifdef CONFIG_ATMEL_SPI
+#include <spi.h>
+
+int spi_cs_is_valid(unsigned int bus, unsigned int cs)
+{
+    return bus == 0 && cs == 0;
+}
+
+void spi_cs_activate(struct spi_slave *slave)
+{
+}
+
+void spi_cs_deactivate(struct spi_slave *slave)
+{
+}
+#endif /* CONFIG_ATMEL_SPI */
diff --git a/board/atmel/mimc200/u-boot.lds b/board/atmel/mimc200/u-boot.lds
new file mode 100644
index 0000000..e736adf
--- /dev/null
+++ b/board/atmel/mimc200/u-boot.lds
@@ -0,0 +1,73 @@
+/* -*- Fundamental -*-
+ *
+ * Copyright (C) 2005-2006 Atmel Corporation
+ *
+ * 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
+ */
+OUTPUT_FORMAT("elf32-avr32", "elf32-avr32", "elf32-avr32")
+OUTPUT_ARCH(avr32)
+ENTRY(_start)
+
+SECTIONS
+{
+    . = 0;
+    _text = .;
+    .text : {
+        *(.exception.text)
+        *(.text)
+        *(.text.*)
+    }
+    _etext = .;
+
+    .rodata : {
+        *(.rodata)
+        *(.rodata.*)
+    }
+
+    . = ALIGN(8);
+    _data = .;
+    .data : {
+        *(.data)
+        *(.data.*)
+    }
+
+    . = ALIGN(4);
+    __u_boot_cmd_start = .;
+    .u_boot_cmd : {
+        KEEP(*(.u_boot_cmd))
+    }
+    __u_boot_cmd_end = .;
+
+    . = ALIGN(4);
+    _got = .;
+    .got : {
+        *(.got)
+    }
+    _egot = .;
+
+    . = ALIGN(8);
+    _edata = .;
+
+    .bss : {
+        *(.bss)
+        *(.bss.*)
+    }
+    . = ALIGN(8);
+    _end = .;
+}
diff --git a/cpu/at32ap/at32ap700x/clk.c b/cpu/at32ap/at32ap700x/clk.c
index b3aa034..73b859e 100644
--- a/cpu/at32ap/at32ap700x/clk.c
+++ b/cpu/at32ap/at32ap700x/clk.c
@@ -65,4 +65,12 @@ void clk_init(void)
     /* Use PLL0 as main clock */
     sm_writel(PM_MCCTRL, SM_BIT(PLLSEL));
 #endif
+
+#ifdef CONFIG_MIMC200
+    // enable gclk outputs
+    //AVR32_PM.gcctrl[0] = 0x0004; /* LVDS at 10MHz */
+    sm_writel(PM_GCCTRL, 0x00000004);
+    //AVR32_PM.gcctrl[1] = 0x0216; /* Ethernet at 25MHz if PLL running */
+    //sm_writel(PM_GCCTRL + 4, 0x00000216);
+#endif
 }
diff --git a/cpu/at32ap/at32ap700x/gpio.c b/cpu/at32ap/at32ap700x/gpio.c
index 56ba2f9..7c6679d 100644
--- a/cpu/at32ap/at32ap700x/gpio.c
+++ b/cpu/at32ap/at32ap700x/gpio.c
@@ -104,8 +104,10 @@ void gpio_enable_macb0(void)
     gpio_select_periph_A(GPIO_PIN_PC11, 0);    /* RXD2    */
     gpio_select_periph_A(GPIO_PIN_PC12, 0);    /* RXD3    */
     gpio_select_periph_A(GPIO_PIN_PC14, 0);    /* RXCK    */
+#ifndef CONFIG_MIMC200
     gpio_select_periph_A(GPIO_PIN_PC18, 0);    /* SPD    */
 #endif
+#endif
 }
 
 void gpio_enable_macb1(void)
@@ -129,8 +131,10 @@ void gpio_enable_macb1(void)
     gpio_select_periph_B(GPIO_PIN_PC29, 0);    /* RXD2    */
     gpio_select_periph_B(GPIO_PIN_PC30, 0);    /* RXD3    */
     gpio_select_periph_B(GPIO_PIN_PC24, 0);    /* RXCK    */
+#ifndef CONFIG_MIMC200
     gpio_select_periph_B(GPIO_PIN_PD15, 0);    /* SPD    */
 #endif
+#endif
 }
 #endif
 
diff --git a/cpu/at32ap/cpu.c b/cpu/at32ap/cpu.c
index 0ba8361..8985b68 100644
--- a/cpu/at32ap/cpu.c
+++ b/cpu/at32ap/cpu.c
@@ -56,6 +56,20 @@ int cpu_init(void)
     hsmc3_writel(PULSE0, 0x0b0a0906);
     hsmc3_writel(SETUP0, 0x00010002);
 
+#ifdef CONFIG_MIMC200
+    // setup Data Flash chip select (NCS2)
+    hsmc3_writel(MODE2, 0x20121003);
+    hsmc3_writel(CYCLE2, 0x000a0009);
+    hsmc3_writel(PULSE2, 0x0a060806);
+    hsmc3_writel(SETUP2, 0x00030102);
+
+    // setup FRAM chip select (NCS3)
+    hsmc3_writel(MODE3, 0x10120001);
+    hsmc3_writel(CYCLE3, 0x001e001d);
+    hsmc3_writel(PULSE3, 0x08040704);
+    hsmc3_writel(SETUP3, 0x02050204);
+#endif
+
     clk_init();
 
     /* Update the CPU speed according to the PLL configuration */
diff --git a/drivers/serial/atmel_usart.c b/drivers/serial/atmel_usart.c
index f35b997..9e131c0 100644
--- a/drivers/serial/atmel_usart.c
+++ b/drivers/serial/atmel_usart.c
@@ -21,6 +21,9 @@
 #include <asm/io.h>
 #include <asm/arch/clk.h>
 #include <asm/arch/memory-map.h>
+#if defined(CONFIG_MIMC200_DBGLINK)
+#include <asm/arch/gpio.h>
+#endif
 
 #if defined(CONFIG_USART0)
 # define USART_ID    0
@@ -73,27 +76,67 @@ int serial_init(void)
 
 void serial_putc(char c)
 {
+#if defined(CONFIG_MIMC200_DBGLINK)
+    // only output serial data if DEBUG link connected
+    // this is connected to PIOE_21
+    if (gpio_get_value(GPIO_PIN_PE21) == 0)
+    {
+#endif
+
     if (c == '\n')
         serial_putc('\r');
 
     while (!(usart3_readl(CSR) & USART3_BIT(TXRDY))) ;
     usart3_writel(THR, c);
+
+#if defined(CONFIG_MIMC200_DBGLINK)
+    }
+#endif
 }
 
 void serial_puts(const char *s)
 {
+#if defined(CONFIG_MIMC200_DBGLINK)
+    // only output serial data if DEBUG link connected
+    // this is connected to PIOE_21
+    if (gpio_get_value(GPIO_PIN_PE21) == 0)
+    {
+#endif
+
     while (*s)
         serial_putc(*s++);
+
+#if defined(CONFIG_MIMC200_DBGLINK)
+    }
+#endif
 }
 
 int serial_getc(void)
 {
+#if defined(CONFIG_MIMC200_DBGLINK)
+    // only get serial data if DEBUG link connected
+    // this is connected to PIOE_21
+    if (gpio_get_value(GPIO_PIN_PE21) == 1)
+    {
+        return 0;
+    }
+#endif
+
     while (!(usart3_readl(CSR) & USART3_BIT(RXRDY))) ;
     return usart3_readl(RHR);
 }
 
 int serial_tstc(void)
 {
+#if defined(CONFIG_MIMC200_DBGLINK)
+    // only get serial data if DEBUG link connected
+    // this is connected to PIOE_21
+    if (gpio_get_value(GPIO_PIN_PE21) == 1)
+    {
+        return (1 == 0);
+    }
+#endif
+
     return (usart3_readl(CSR) & USART3_BIT(RXRDY)) != 0;
 }
 
diff --git a/net/eth.c b/net/eth.c
index 38979aa..409756d 100644
--- a/net/eth.c
+++ b/net/eth.c
@@ -75,6 +75,7 @@ extern int atngw100_eth_initialize(bd_t *);
 extern int mcffec_initialize(bd_t*);
 extern int mcdmafec_initialize(bd_t*);
 extern int at91sam9_eth_initialize(bd_t *);
+extern int mimc200_eth_initialize(bd_t *);
 
 #ifdef CONFIG_API
 extern void (*push_packet)(volatile void *, int);
@@ -290,6 +291,9 @@ int eth_initialize(bd_t *bis)
     defined(CONFIG_AT91SAM9263)
     at91sam9_eth_initialize(bis);
 #endif
+#if defined(CONFIG_MIMC200)
+    mimc200_eth_initialize(bis);
+#endif
 
     if (!eth_devices) {
         puts ("No ethernet found.\n");
diff --git a/include/configs/mimc200.h b/include/configs/mimc200.h
new file mode 100644
index 0000000..1afc741
--- /dev/null
+++ b/include/configs/mimc200.h
@@ -0,0 +1,179 @@
+/*
+ * Copyright (C) 2006 Atmel Corporation
+ *
+ * Configuration settings for the AVR32 Network Gateway
+ *
+ * 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
+
+#include <asm/arch/memory-map.h>
+
+#define CONFIG_AVR32            1
+#define CONFIG_AT32AP            1
+#define CONFIG_AT32AP7000        1
+#define CONFIG_MIMC200            1
+
+#define CONFIG_MIMC200_EXT_FLASH    1
+
+#define CFG_HZ                1000
+
+/*
+ * Set up the PLL to run at 140 MHz, the CPU to run at the PLL
+ * frequency, the HSB and PBB busses to run at 1/2 the PLL frequency
+ * and the PBA bus to run at 1/4 the PLL frequency.
+ */
+#define CONFIG_PLL            1
+#define CFG_POWER_MANAGER        1
+#define CFG_OSC0_HZ            10000000
+#define CFG_PLL0_DIV            1
+#define CFG_PLL0_MUL            15
+#define CFG_PLL0_SUPPRESS_CYCLES    16
+#define CFG_CLKDIV_CPU            0
+#define CFG_CLKDIV_HSB            1
+#define CFG_CLKDIV_PBA            2
+#define CFG_CLKDIV_PBB            1
+
+/*
+ * The PLLOPT register controls the PLL like this:
+ *   icp = PLLOPT<2>
+ *   ivco = PLLOPT<1:0>
+ *
+ * We want icp=1 (default) and ivco=0 (80-160 MHz) or ivco=2 (150-240MHz).
+ */
+#define CFG_PLL0_OPT            0x04
+
+#define CONFIG_USART1            1
+#define CONFIG_MIMC200_DBGLINK    1
+
+/* User serviceable stuff */
+#define CONFIG_DOS_PARTITION        1
+
+#define CONFIG_CMDLINE_TAG        1
+#define CONFIG_SETUP_MEMORY_TAGS    1
+#define CONFIG_INITRD_TAG        1
+
+#define CONFIG_STACKSIZE        (2048)
+
+#define CONFIG_BAUDRATE            115200
+#define CONFIG_BOOTARGS                            \
+    "console=ttyS0 root=/dev/mtdblock1 rootfstype=jffs2"
+#define CONFIG_BOOTCOMMAND                        \
+    "fsload; bootm"
+
+/*
+ * Only interrupt autoboot if <space> is pressed. Otherwise, garbage
+ * data on the serial line may interrupt the boot sequence.
+ */
+#define CONFIG_BOOTDELAY        0
+#define CONFIG_ZERO_BOOTDELAY_CHECK 1
+#define CONFIG_AUTOBOOT            1
+//#define CONFIG_AUTOBOOT_KEYED        1
+//#define CONFIG_AUTOBOOT_PROMPT                \
+//    "Press SPACE to abort autoboot in %d seconds\n"
+//#define CONFIG_AUTOBOOT_DELAY_STR    "d"
+//#define CONFIG_AUTOBOOT_STOP_STR    " "
+
+/*
+ * After booting the board for the first time, new ethernet addresses
+ * should be generated and assigned to the environment variables
+ * "ethaddr" and "eth1addr". This is normally done during production.
+ */
+#define CONFIG_OVERWRITE_ETHADDR_ONCE    1
+#define CONFIG_NET_MULTI        1
+
+/*
+ * BOOTP/DHCP options
+ */
+#define CONFIG_BOOTP_SUBNETMASK
+#define CONFIG_BOOTP_GATEWAY
+
+#define CONFIG_DOS_PARTITION        1
+
+/*
+ * Command line configuration.
+ */
+#include <config_cmd_default.h>
+
+#define CONFIG_CMD_ASKENV
+#define CONFIG_CMD_DHCP
+#define CONFIG_CMD_EXT2
+#define CONFIG_CMD_FAT
+#define CONFIG_CMD_JFFS2
+#define CONFIG_CMD_MMC
+#define CONFIG_CMD_NET
+
+#define CONFIG_ATMEL_USART        1
+#define CONFIG_MACB            1
+#define CONFIG_PIO2            1
+#define CFG_NR_PIOS            5
+#define CFG_HSDRAMC            1
+#define CONFIG_MMC            1
+#define CONFIG_ATMEL_MCI        1
+#define CONFIG_ATMEL_SPI        1
+
+#define CFG_DCACHE_LINESZ        32
+#define CFG_ICACHE_LINESZ        32
+
+#define CONFIG_NR_DRAM_BANKS        1
+
+#define CFG_FLASH_CFI            1
+#define CFG_FLASH_CFI_DRIVER        1
+
+#define CFG_FLASH_BASE            0x00000000
+#define CFG_FLASH_SIZE            0x800000
+#define CFG_MAX_FLASH_BANKS        1
+#define CFG_MAX_FLASH_SECT        135
+
+#define CFG_MONITOR_BASE        CFG_FLASH_BASE
+
+#define CFG_INTRAM_BASE            INTERNAL_SRAM_BASE
+#define CFG_INTRAM_SIZE            INTERNAL_SRAM_SIZE
+#define CFG_SDRAM_BASE            EBI_SDRAM_BASE
+
+#define CFG_FRAM_BASE            0x08000000
+#define CFG_FRAM_SIZE            0x20000
+
+#define CFG_ENV_IS_IN_FLASH        1
+#define CFG_ENV_SIZE            65536
+#define CFG_ENV_ADDR            (CFG_FLASH_BASE + CFG_FLASH_SIZE - 
CFG_ENV_SIZE)
+
+#define CFG_INIT_SP_ADDR        (CFG_INTRAM_BASE + CFG_INTRAM_SIZE)
+
+#define CFG_MALLOC_LEN            (256*1024)
+#define CFG_DMA_ALLOC_LEN        (16384)
+
+/* Allow 4MB for the kernel run-time image */
+#define CFG_LOAD_ADDR            (EBI_SDRAM_BASE + 0x00400000)
+#define CFG_BOOTPARAMS_LEN        (16 * 1024)
+
+/* Other configuration settings that shouldn't have to change all that 
often */
+#define CFG_PROMPT            "U-Boot> "
+#define CFG_CBSIZE            256
+#define CFG_MAXARGS            16
+#define CFG_PBSIZE            (CFG_CBSIZE + sizeof(CFG_PROMPT) + 16)
+#define CFG_LONGHELP            1
+
+#define CFG_MEMTEST_START        EBI_SDRAM_BASE
+#define CFG_MEMTEST_END            (CFG_MEMTEST_START + 0x1f00000)
+
+#define CFG_BAUDRATE_TABLE { 115200, 38400, 19200, 9600, 2400 }
+
+#endif /* __CONFIG_H */




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