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Add the basic support for the DIGI a9m2440 CPU card.

Signed-off-by: Juergen Beisert <j.beisert@pengutronix.de>
This commit is contained in:
Juergen Beisert 2009-06-29 12:35:55 +02:00
parent 27acfbda77
commit f1ed0ae1c6
14 changed files with 820 additions and 0 deletions

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@ -17,6 +17,7 @@ config ARCH_TEXT_BASE
default 0x31fc0000 if MACH_A9M2410
default 0x87f00000 if MACH_PCM043
default 0xa7f00000 if MACH_PCA100
default 0x33fc0000 if MACH_A9M2440
default 0x23f00000 if MACH_MMCCPU
config BOARDINFO
@ -27,6 +28,7 @@ config BOARDINFO
default "Freescale i.MX27 ADS" if MACH_IMX27ADS
default "Phytec phyCORE-i.MX31" if MACH_PCM037
default "Atmel 91SAM9260-EK" if MACH_AT91SAM9260_EK
default "Digi A9M2440" if MACH_A9M2440
default "Ronetix PM9263" if MACH_PM9263
default "Freescale MX35 3Stack" if MACH_FREESCALE_MX35_3STACK
default "Phytec phyCORE-i.MX35" if MACH_PCM043
@ -206,6 +208,16 @@ config MACH_A9M2410
Say Y here if you are using Digi's Connect Core 9M equipped
with a Samsung S3C2410 Processor
config MACH_A9M2440
bool "Digi A9M2440"
select CPU_S3C2440
select MACH_HAS_LOWLEVEL_INIT
select S3C24XX_PLL_INIT
select S3C24XX_SDRAM_INIT
help
Say Y here if you are using Digi's Connect Core 9M equipped
with a Samsung S3C2440 Processor
config MACH_PCA100
bool "phyCard-i.MX27"
select ARCH_IMX27

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@ -24,6 +24,7 @@ board-$(CONFIG_MACH_PCM043) := pcm043
board-$(CONFIG_MACH_A9M2410) := a9m2410
board-$(CONFIG_MACH_PCA100) := phycard-i.MX27
board-$(CONFIG_MACH_MMCCPU) := mmccpu
board-$(CONFIG_MACH_A9M2440) := a9m2440
# FIXME "cpu-y" never used on ARM!
cpu-$(CONFIG_ARM920T) := arm920t

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@ -0,0 +1,229 @@
#
# Automatically generated make config: don't edit
# U-Boot version: 2.0.0-rc9
# Wed Jul 1 14:23:41 2009
#
CONFIG_ARCH_TEXT_BASE=0x33fc0000
CONFIG_BOARDINFO="Digi A9M2440"
# CONFIG_BOARD_LINKER_SCRIPT is not set
CONFIG_GENERIC_LINKER_SCRIPT=y
CONFIG_ARM=y
CONFIG_ARM920T=y
# CONFIG_MACH_MX1ADS is not set
# CONFIG_MACH_SCB9328 is not set
# CONFIG_MACH_PCM038 is not set
# CONFIG_MACH_IMX21ADS is not set
# CONFIG_MACH_IMX27ADS is not set
# CONFIG_MACH_PCM043 is not set
# CONFIG_MACH_FREESCALE_MX35_3STACK is not set
# CONFIG_MACH_ECO920 is not set
# CONFIG_MACH_NXDB500 is not set
# CONFIG_MACH_PCM037 is not set
# CONFIG_MACH_OMAP is not set
# CONFIG_MACH_AT91SAM9260_EK is not set
# CONFIG_MACH_PM9263 is not set
# CONFIG_MACH_A9M2410 is not set
CONFIG_MACH_A9M2440=y
# CONFIG_MACH_PCA100 is not set
# CONFIG_MACH_MMCCPU is not set
CONFIG_ARCH_S3C24xx=y
CONFIG_CPU_S3C2440=y
#
# Board specific settings
#
#
# S3C24X0 Features
#
CONFIG_S3C24XX_LOW_LEVEL_INIT=y
CONFIG_S3C24XX_PLL_INIT=y
CONFIG_S3C24XX_SDRAM_INIT=y
CONFIG_S3C24XX_NAND_BOOT=y
#
# Arm specific settings
#
CONFIG_CMD_ARM_CPUINFO=y
CONFIG_CMDLINE_TAG=y
CONFIG_SETUP_MEMORY_TAGS=y
# CONFIG_INITRD_TAG is not set
CONFIG_GREGORIAN_CALENDER=y
CONFIG_HAS_KALLSYMS=y
CONFIG_HAS_MODULES=y
CONFIG_CMD_MEMORY=y
CONFIG_ENV_HANDLING=y
#
# General Settings
#
CONFIG_LOCALVERSION_AUTO=y
#
# memory layout
#
CONFIG_HAVE_CONFIGURABLE_TEXT_BASE=y
CONFIG_TEXT_BASE=0x33fc0000
CONFIG_HAVE_CONFIGURABLE_MEMORY_LAYOUT=y
CONFIG_MEMORY_LAYOUT_DEFAULT=y
# CONFIG_MEMORY_LAYOUT_FIXED is not set
CONFIG_STACK_SIZE=0x8000
CONFIG_MALLOC_SIZE=0x400000
CONFIG_BROKEN=y
CONFIG_EXPERIMENTAL=y
# CONFIG_MODULES is not set
# CONFIG_KALLSYMS is not set
CONFIG_MACH_HAS_LOWLEVEL_INIT=y
CONFIG_MACH_DO_LOWLEVEL_INIT=y
CONFIG_PROMPT="uboot:"
CONFIG_BAUDRATE=38400
CONFIG_LONGHELP=y
CONFIG_CBSIZE=1024
CONFIG_MAXARGS=16
CONFIG_SHELL_HUSH=y
# CONFIG_SHELL_SIMPLE is not set
CONFIG_GLOB=y
CONFIG_PROMPT_HUSH_PS2="> "
CONFIG_CMDLINE_EDITING=y
CONFIG_AUTO_COMPLETE=y
CONFIG_DYNAMIC_CRC_TABLE=y
CONFIG_ERRNO_MESSAGES=y
CONFIG_TIMESTAMP=y
CONFIG_CONSOLE_FULL=y
CONFIG_CONSOLE_ACTIVATE_FIRST=y
# CONFIG_OF_FLAT_TREE is not set
CONFIG_PARTITION=y
CONFIG_DEFAULT_ENVIRONMENT=y
CONFIG_DEFAULT_ENVIRONMENT_PATH="board/a9m2440/env"
#
# Debugging
#
CONFIG_DEBUG_INFO=y
# CONFIG_ENABLE_FLASH_NOISE is not set
# CONFIG_ENABLE_PARTITION_NOISE is not set
# CONFIG_ENABLE_DEVICE_NOISE is not set
#
# Commands
#
#
# scripting
#
CONFIG_CMD_EDIT=y
CONFIG_CMD_SLEEP=y
CONFIG_CMD_SAVEENV=y
CONFIG_CMD_LOADENV=y
CONFIG_CMD_EXPORT=y
CONFIG_CMD_PRINTENV=y
CONFIG_CMD_READLINE=y
CONFIG_CMD_TRUE=y
CONFIG_CMD_FALSE=y
#
# file commands
#
CONFIG_CMD_LS=y
CONFIG_CMD_RM=y
CONFIG_CMD_CAT=y
CONFIG_CMD_MKDIR=y
CONFIG_CMD_RMDIR=y
CONFIG_CMD_CP=y
CONFIG_CMD_PWD=y
CONFIG_CMD_CD=y
CONFIG_CMD_MOUNT=y
CONFIG_CMD_UMOUNT=y
#
# console
#
CONFIG_CMD_CLEAR=y
CONFIG_CMD_ECHO=y
# CONFIG_CMD_SPLASH is not set
#
# memory
#
# CONFIG_CMD_LOADB is not set
# CONFIG_CMD_LOADY is not set
# CONFIG_CMD_LOADS is not set
CONFIG_CMD_MEMINFO=y
CONFIG_CMD_CRC=y
CONFIG_CMD_MTEST=y
# CONFIG_CMD_MTEST_ALTERNATIVE is not set
#
# flash
#
CONFIG_CMD_FLASH=y
CONFIG_CMD_NAND=y
#
# booting
#
CONFIG_CMD_BOOTM=y
# CONFIG_CMD_BOOTM_ZLIB is not set
# CONFIG_CMD_BOOTM_BZLIB is not set
# CONFIG_CMD_BOOTM_SHOW_TYPE is not set
CONFIG_CMD_RESET=y
CONFIG_CMD_GO=y
CONFIG_CMD_TIMEOUT=y
CONFIG_CMD_PARTITION=y
CONFIG_CMD_TEST=y
CONFIG_CMD_VERSION=y
CONFIG_CMD_HELP=y
CONFIG_CMD_DEVINFO=y
CONFIG_NET=y
CONFIG_NET_BOOTP=y
CONFIG_NET_DHCP=y
# CONFIG_NET_RARP is not set
# CONFIG_NET_SNTP is not set
# CONFIG_NET_NFS is not set
CONFIG_NET_PING=y
CONFIG_NET_TFTP=y
#
# Drivers
#
#
# serial drivers
#
# CONFIG_DRIVER_SERIAL_NS16550 is not set
CONFIG_DRIVER_SERIAL_S3C24X0=y
# CONFIG_DRIVER_SERIAL_S3C24X0_AUTOSYNC is not set
CONFIG_MIIPHY=y
#
# Network drivers
#
# CONFIG_DRIVER_NET_SMC911X is not set
CONFIG_DRIVER_NET_SMC91111=y
#
# SPI drivers
#
# CONFIG_SPI is not set
#
# flash drivers
#
# CONFIG_DRIVER_CFI is not set
# CONFIG_DRIVER_CFI_OLD is not set
CONFIG_NAND=y
CONFIG_NAND_S3C24X0=y
# CONFIG_MTD_NAND_VERIFY_WRITE is not set
# CONFIG_MTD_NAND_ECC_SMC is not set
CONFIG_MTD_NAND_IDS=y
# CONFIG_MTD_NAND_DISKONCHIP is not set
# CONFIG_USB is not set
#
# Filesystem support
#
# CONFIG_FS_CRAMFS is not set
CONFIG_FS_RAMFS=y
CONFIG_FS_DEVFS=y
CONFIG_CRC32=y
# CONFIG_GENERIC_FIND_NEXT_BIT is not set

3
board/a9m2440/Makefile Normal file
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@ -0,0 +1,3 @@
obj-y += lowlevel_init.o
obj-y += a9m2440.o

254
board/a9m2440/a9m2440.c Normal file
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@ -0,0 +1,254 @@
/*
* Copyright (C) 2009 Juergen Beisert, Pengutronix
*
* 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
*
*/
/**
* @file
* @brief a9m2440 Specific Board Initialization routines
*
*/
#include <common.h>
#include <driver.h>
#include <init.h>
#include <asm/armlinux.h>
#include <asm/mach-types.h>
#include <partition.h>
#include <nand.h>
#include <asm/io.h>
#include <asm/arch/s3c24x0-iomap.h>
#include <asm/arch/s3c24x0-nand.h>
static struct device_d sdram_dev = {
.name = "ram",
.id = "ram0",
.map_base = CS6_BASE,
.type = DEVICE_TYPE_DRAM,
};
static struct s3c24x0_nand_platform_data nand_info = {
.nand_timing = CALC_NFCONF_TIMING(A9M2440_TACLS, A9M2440_TWRPH0, A9M2440_TWRPH1)
};
static struct device_d nand_dev = {
.name = "s3c24x0_nand",
.map_base = S3C24X0_NAND_BASE,
.platform_data = &nand_info,
};
/*
* SMSC 91C111 network controller on the baseboard
* connected to CS line 1 and interrupt line
* GPIO3, data width is 32 bit
*/
static struct device_d network_dev = {
.name = "smc91c111",
.id = "eth0",
.map_base = CS1_BASE + 0x300,
.size = 16,
.type = DEVICE_TYPE_ETHER,
};
static int a9m2440_devices_init(void)
{
uint32_t reg;
struct device_d *nand, *dev;
/*
* detect the current memory size
* Note: On this card the second SDRAM page is not used
*/
reg = readl(BANKSIZE);
switch (reg &= 0x7) {
case 0:
sdram_dev.size = 32 * 1024 * 1024;
break;
case 1:
sdram_dev.size = 64 * 1024 * 1024;
break;
case 2:
sdram_dev.size = 128 * 1024 * 1024;
break;
case 4:
sdram_dev.size = 2 * 1024 * 1024;
break;
case 5:
sdram_dev.size = 4 * 1024 * 1024;
break;
case 6:
sdram_dev.size = 8 * 1024 * 1024;
break;
case 7:
sdram_dev.size = 16 * 1024 * 1024;
break;
}
/* both banks are present */
sdram_dev.size <<= 1;
/* ---------- configure the GPIOs ------------- */
writel(0x007FFFFF, GPACON);
writel(0x00000000, GPCCON);
writel(0x00000000, GPCUP);
writel(0x00000000, GPDCON);
writel(0x00000000, GPDUP);
writel(0xAAAAAAAA, GPECON);
writel(0x0000E03F, GPEUP);
writel(0x00000000, GPBCON); /* all inputs */
writel(0x00000007, GPBUP); /* pullup disabled for GPB0..3 */
writel(0x00009000, GPFCON); /* GPF7 CLK_INT#, GPF6 Debug-LED */
writel(0x000000FF, GPFUP);
writel(readl(GPGDAT) | 0x1010, GPGDAT); /* switch off IDLE_SW#, switch off LCD backlight */
writel(0x0100A93A, GPGCON); /* switch on USB device */
writel(0x0000F000, GPGUP);
writel(0x0029FAAA, GPHCON);
writel((1 << 12) | (0 << 11), GPJDAT);
writel(0x0016aaaa, GPJCON);
writel(~((0<<12)| (1<<11)), GPJUP);
writel((0 << 12) | (0 << 11), GPJDAT);
writel(0x0016aaaa, GPJCON);
writel(0x00001fff, GPJUP);
writel(0x00000000, DSC0);
writel(0x00000000, DSC1);
/*
* USB port1 normal, USB port0 normal, USB1 pads for device
* PCLK output on CLKOUT0, UPLL CLK output on CLKOUT1,
*/
writel(0x00140, MISCCR);
/* ----------- configure the access to the outer space ---------- */
reg = readl(BWSCON);
/* CS#1 to access the network controller */
reg &= ~0xf0;
reg |= 0xe0;
writel(0x1350, BANKCON1);
/* CS#2 to the dual 16550 UART */
reg &= ~0xf00;
reg |= 0x400;
writel(0x0d50, BANKCON2);
writel(reg, BWSCON);
/* release the reset signal to the network and UART device */
reg = readl(MISCCR);
reg |= 0x10000;
writel(reg, MISCCR);
/* ----------- the devices the boot loader should work with -------- */
register_device(&nand_dev);
register_device(&sdram_dev);
register_device(&network_dev);
#ifdef CONFIG_NAND
/* ----------- add some vital partitions -------- */
nand = get_device_by_path("/dev/nand0");
if (nand) {
dev = dev_add_partition(nand, 0x00000, 0x40000,
PARTITION_FIXED, "self_raw");
if (dev) {
dev_add_bb_dev(dev, "self0");
dev = dev_add_partition(nand, 0x40000, 0x20000,
PARTITION_FIXED, "env_raw");
if (dev)
dev_add_bb_dev(dev, "env0");
}
}
#endif
armlinux_set_bootparams((void *)sdram_dev.map_base + 0x100);
armlinux_set_architecture(698); /* A9M2440 */
return 0;
}
device_initcall(a9m2440_devices_init);
#ifdef CONFIG_S3C24XX_NAND_BOOT
void __bare_init nand_boot(void)
{
s3c24x0_nand_load_image((void *)TEXT_BASE, 256 * 1024, 0, 512);
}
#endif
static struct device_d a9m2440_serial_device = {
.name = "s3c24x0_serial",
.id = "cs0",
.map_base = UART1_BASE,
.size = UART1_SIZE,
.type = DEVICE_TYPE_CONSOLE,
};
static int a9m2440_console_init(void)
{
register_device(&a9m2440_serial_device);
return 0;
}
console_initcall(a9m2440_console_init);
/** @page a9m2440 DIGI's a9m2440
This CPU card is based on a Samsung S3C2440 CPU. The card is shipped with:
- S3C2440\@400 MHz or 533 MHz (ARM920T/ARMv4T)
- 16.9344 MHz crystal reference
- SDRAM 64 MiB
- Samsung K4M563233E-EE1H
- 2M x 32Bit x 4 Banks Mobile SDRAM
- 90 pin FBGA
- CL3\@133MHz, CL2\@100MHz (CAS/RAS delay 19ns)
- four banks
- 32 bit data bits
- row address size is 11
- Row cycle time: 69ns
- collumn address size is 9 bits
- Extended temperature range (-25°C...85°C)
- 64ms refresh period (4k)
- NAND Flash 64 MiB
- Samsung KM29U512T
- 64MiB 3,3V 8-bit
- ID: 0xEC, 0x76, 0x??, 0xBD
- 30ns/40ns/20ns
- I2C interface, 100KHz and 400KHz
- Real Time Clock
- Dallas DS1337
- address 0xD0
- LCD interface
- Touch Screen interface
- Camera interface
- I2S interface
- AC97 Audio-CODEC interface
- SD card interface
- 3 serial RS232 interfaces
- Host and device USB interface, USB1.1 compliant
- Ethernet interface
- 10Mbps, Cirrus Logic, CS8900A (on the CPU card) or
- 10/100Mbps, SMSC 91C111 (on the baseboard)
- SPI interface
- JTAG interface
*/

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/**
* @file
* @brief Global defintions for the ARM S3C2440 based a9m2440 CPU card
*/
/* 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
/**
* The external clock reference is a 16.9344 MHz crystal
*/
#define S3C24XX_CLOCK_REFERENCE 16934400
/**
* Define the main clock configuration to be used in register CLKDIVN
*
* We must limit the frequency of the connected SDRAMs with the clock ratio
* setup to 1:4:8. This will result into FCLK:HCLK:PCLK = 400Mhz:100MHz:50MHz
*/
#define BOARD_SPECIFIC_CLKDIVN 0x05
/**
* Define the MPLL configuration to be used in register MPLLCON
*
* We want the MPLL to run at 399.65 MHz
*/
#define BOARD_SPECIFIC_MPLL ((0x6e << 12) + (3 << 4) + 1)
/**
* Define the UPLL configuration to be used in register UPLLCON
*
* We want the UPLL to run at 47.98 MHz
*/
#define BOARD_SPECIFIC_UPLL ((0x3c << 12) + (2 << 4) + 2)
/*
* SDRAM configuration for Samsung K4M563233E
* - 2M x 32Bit x 4 Banks Mobile SDRAM
* - 90 pin FBGA
* - CL2@100MHz
*/
/*
* SDRAM uses 32bit width
*/
#define BOARD_SPECIFIC_BWSCON ((0x02 << 24) + (0x02 << 28))
/*
* 32MiB SDRAM in bank6
* - MT = 11 (= sync dram type)
* - Trcd = 00 (= CL2)
* - SCAN = 01 (= 9 bit collumns)
*/
#define BOARD_SPECIFIC_BANKCON6 ((0x3 << 15) + (0x0 << 2) + 0x1)
/*
* 32MiB SDRAM in bank7
* - MT = 11 (= sync dram type)
* - Trcd = 00 (= CL2)
* - SCAN = 01 (= 9 bit collumns)
*/
#define BOARD_SPECIFIC_BANKCON7 ((0x3 << 15) + (0x0 << 2) + 0x1)
/*
* SDRAM refresh settings
* - REFEN = 1 (= refresh enabled)
* - TREFMD = 0 (= auto refresh)
* - Trp = 00 (= 2 RAS precharge clocks)
* - Tsrc = 01 (= 5 clocks -> row cycle time @100MHz 2+5=7 -> 70ns)
* - Refrsh = 2^11 + 1 - 100 * 15.6 = 2049 - 1560 = 489
*/
#define BOARD_SPECIFIC_REFRESH ((0x1 << 23) + (0x0 << 22) + (0x0 << 20) + (0x1 << 18) + 489)
/*
* SDRAM banksize
* - BURST_EN = 1 (= burst mode enabled)
* - SCKE_EN = 1 (= SDRAM SCKE enabled)
* - SCLK_EN = 1 (= clock active only during accesses)
* - BK67MAP = 000 (= 32MiB)
*/
#define BOARD_SPECIFIC_BANKSIZE ((1 << 7) + (1 << 5) + (1 << 4) + 0)
/*
* SDRAM mode register bank6
* CL = 010 (= 2 clocks)
*/
#define BOARD_SPECIFIC_MRSRB6 (0x2 << 4)
/*
* SDRAM mode register bank7
* CL = 010 (= 2 clocks)
*/
#define BOARD_SPECIFIC_MRSRB7 (0x2 << 4)
/*
* Flash access timings
* Tacls = 0ns (but 20ns data setup time)
* Twrph0 = 25ns (write) 35ns (read)
* Twrph1 = 10ns (10ns data hold time)
* Read cycle time = 50ns
*
* Assumed HCLK is 100MHz
* Tacls = 1 (-> 20ns)
* Twrph0 = 3 (-> 40ns)
* Twrph1 = 1 (-> 20ns)
* Cycle time = 80ns
*/
#define A9M2440_TACLS 1
#define A9M2440_TWRPH0 3
#define A9M2440_TWRPH1 1
/* needed in the generic NAND boot code only */
#ifdef CONFIG_S3C24XX_NAND_BOOT
# define BOARD_DEFAULT_NAND_TIMING CALC_NFCONF_TIMING(A9M2440_TACLS, A9M2440_TWRPH0, A9M2440_TWRPH1)
#endif
#endif /* __CONFIG_H */

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#!/bin/sh
if [ -z "$part" -o -z "$image" ]; then
echo "define \$part and \$image"
exit 1
fi
if [ \! -e "$part" ]; then
echo "Partition $part does not exist"
exit 1
fi
if [ $# = 1 ]; then
image=$1
fi
if [ x$ip = xdhcp ]; then
dhcp
fi
ping $eth0.serverip
if [ $? -ne 0 ] ; then
echo "update aborted"
exit 1
fi
unprotect $part
echo
echo "erasing partition $part"
erase $part
echo
echo "flashing $image to $part"
echo
tftp $image $part

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#!/bin/sh
. /env/config
if [ x$1 = xnand ]; then
root=nand
kernel=nand
fi
if [ x$1 = xnet ]; then
root=net
kernel=net
fi
if [ x$ip = xdhcp ]; then
bootargs="$bootargs ip=dhcp"
else
bootargs="$bootargs ip=$eth0.ipaddr:$eth0.serverip:$eth0.gateway:$eth0.netmask:::"
fi
if [ x$root = xnand ]; then
bootargs="$bootargs root=$rootpart_nand rootfstype=jffs2"
else
bootargs="$bootargs root=/dev/nfs nfsroot=$eth0.serverip:$nfsroot,v3,tcp"
fi
bootargs="$bootargs mtdparts=\"NAND 64MiB 3,3V 8-bit:$nand_parts\""
if [ x$kernel = xnet ]; then
if [ x$ip = xdhcp ]; then
dhcp
fi
tftp $uimage uImage || exit 1
bootm uImage
else
bootm /dev/nand0.kernel.bb
fi

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nand -a /dev/nand0.*

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#!/bin/sh
PATH=/env/bin
export PATH
. /env/config
if [ -e /dev/nand0 ]; then
addpart /dev/nand0 $nand_parts
# Uh, oh, hush first expands wildcards and then starts executing
# commands. What a bug!
source /env/bin/hush_hack
fi
if [ -z $eth0.ethaddr ]; then
while [ -z $eth0.ethaddr ]; do
readline "no MAC address set for eth0. please enter the one found on your board: " eth0.ethaddr
done
echo -a /env/config "eth0.ethaddr=$eth0.ethaddr"
fi
echo
echo -n "Hit any key to stop autoboot: "
timeout -a $autoboot_timeout
if [ $? != 0 ]; then
echo
echo "type update_kernel [<imagename>] to update kernel into flash"
echo "type update_root [<imagename>] to update rootfs into flash"
echo
exit
fi
boot

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#!/bin/sh
. /env/config
part=/dev/nand0.kernel.bb
if [ x$1 = x ]; then
image=$uimage
else
image=$1
fi
. /env/bin/_update $image

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#!/bin/sh
. /env/config
if [ x$1 = x ]; then
image=$jffs2
else
image=$1
fi
. /env/bin/_update $image

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#!/bin/sh
# can be either 'net' or 'nand''
kernel=net
root=net
uimage=uImage-a9m2440
jffs2=root-a9m2440.jffs2
autoboot_timeout=3
nfsroot="/nfsexport/OSELAS.BSP-Hesch-TMU-1/platform-FS_A9M2440/root"
bootargs="console=ttySAC0,38400"
nand_parts="256k(uboot)ro,128k(ubootenv),1536k(kernel),-(root)"
rootpart_nand="/dev/mtdblock3"
# use 'dhcp' to do dhcp in uboot and in kernel
#ip=dhcp
# or set your networking parameters here
eth0.ipaddr=192.168.42.32
eth0.netmask=255.255.0.0
eth0.gateway=192.168.23.1
eth0.serverip=192.168.23.2
eth0.ethaddr=00:04:f3:00:06:35

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/*
*
*/
#include <config.h>
#include <asm/arch/s3c24x0-iomap.h>
.section ".text_bare_init.board_init_lowlevel","ax"
.globl board_init_lowlevel
board_init_lowlevel:
mov r10, lr /* save the link register */
bl s3c24x0_disable_wd
/* skip everything here if we are already running from SDRAM */
cmp pc, #S3C24X0_SDRAM_BASE
blo 1f
cmp pc, #S3C24X0_SDRAM_END
bhs 1f
mov pc, r10
/* we are running from NOR or NAND/SRAM memory. Do further initialisation */
1:
bl s3c24x0_pll_init
bl s3c24x0_sdram_init
#ifdef CONFIG_S3C24XX_NAND_BOOT
mov lr, r10 /* restore the link register */
/* up to here we are running from the internal SRAM area */
b s3c24x0_nand_boot /* does return directly to our caller into SDRAM */
#else
mov pc, r10
#endif