mirror of
https://github.com/u-boot/u-boot.git
synced 2024-12-16 16:23:33 +08:00
2399ef7385
This adds support for the AT91SAM9G20 boards by taskit GmbH. Both boards, Stamp9G20 and PortuxG20, are integrated in one file. PortuxG20 is basically a SBC built around the Stamp9G20. Signed-off-by: Markus Hubig <mhubig@imko.de> Cc: Andreas Bießmann <andreas.devel@googlemail.com> Signed-off-by: Andreas Bießmann <andreas.deve@googlemail.com>
267 lines
7.9 KiB
C
267 lines
7.9 KiB
C
/*
|
|
* (C) Copyright 2007-2008
|
|
* Stelian Pop <stelian@popies.net>
|
|
* Lead Tech Design <www.leadtechdesign.com>
|
|
*
|
|
* (C) Copyright 2010
|
|
* Achim Ehrlich <aehrlich@taskit.de>
|
|
* taskit GmbH <www.taskit.de>
|
|
*
|
|
* (C) Copyright 2012
|
|
* Markus Hubig <mhubig@imko.de>
|
|
* IMKO GmbH <www.imko.de>
|
|
*
|
|
* Configuation settings for the stamp9g20 CPU module.
|
|
*
|
|
* 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
|
|
|
|
/*
|
|
* SoC must be defined first, before hardware.h is included.
|
|
* In this case SoC is defined in boards.cfg.
|
|
*/
|
|
#include <asm/hardware.h>
|
|
|
|
/*
|
|
* Warning: changing CONFIG_SYS_TEXT_BASE requires adapting the initial boot
|
|
* program. Since the linker has to swallow that define, we must use a pure
|
|
* hex number here!
|
|
*/
|
|
#define CONFIG_SYS_TEXT_BASE 0x23f00000
|
|
|
|
/* ARM asynchronous clock */
|
|
#define CONFIG_SYS_AT91_SLOW_CLOCK 32768 /* slow clock xtal */
|
|
#define CONFIG_SYS_AT91_MAIN_CLOCK 18432000 /* 18.432MHz crystal */
|
|
#define CONFIG_SYS_HZ 1000 /* 1ms resolution */
|
|
|
|
/* misc settings */
|
|
#define CONFIG_CMDLINE_TAG /* pass commandline to Kernel */
|
|
#define CONFIG_SETUP_MEMORY_TAGS /* pass memory defs to kernel */
|
|
#define CONFIG_INITRD_TAG /* pass initrd param to kernel */
|
|
#define CONFIG_SKIP_LOWLEVEL_INIT /* U-Boot is loaded by a bootloader */
|
|
#define CONFIG_BOARD_EARLY_INIT_f /* call board_early_init_f() */
|
|
#define CONFIG_DISPLAY_CPUINFO /* display CPU Info at startup */
|
|
|
|
/* setting board specific options */
|
|
#ifdef CONFIG_PORTUXG20
|
|
# define CONFIG_MACH_TYPE MACH_TYPE_PORTUXG20
|
|
# define CONFIG_MACB
|
|
#else
|
|
# define CONFIG_MACH_TYPE MACH_TYPE_STAMP9G20
|
|
#endif
|
|
|
|
/*
|
|
* SDRAM: 1 bank, 64 MB, base address 0x20000000
|
|
* Already initialized before u-boot gets started.
|
|
*/
|
|
#define CONFIG_NR_DRAM_BANKS 1
|
|
#define CONFIG_SYS_SDRAM_BASE ATMEL_BASE_CS1
|
|
#define CONFIG_SYS_SDRAM_SIZE (64 << 20)
|
|
|
|
/*
|
|
* Perform a SDRAM Memtest from the start of SDRAM
|
|
* till the beginning of the U-Boot position in RAM.
|
|
*/
|
|
#define CONFIG_SYS_MEMTEST_START CONFIG_SYS_SDRAM_BASE
|
|
#define CONFIG_SYS_MEMTEST_END (CONFIG_SYS_TEXT_BASE - 0x100000)
|
|
|
|
/* Size of malloc() pool */
|
|
#define CONFIG_SYS_MALLOC_LEN \
|
|
ROUND(3 * CONFIG_ENV_SIZE + (128 << 10), 0x1000)
|
|
|
|
/*
|
|
* Initial stack pointer: 4k - GENERATED_GBL_DATA_SIZE in internal SRAM,
|
|
* leaving the correct space for initial global data structure above that
|
|
* address while providing maximum stack area below.
|
|
*/
|
|
#define CONFIG_SYS_INIT_SP_ADDR \
|
|
(ATMEL_BASE_SRAM1 + 0x1000 - GENERATED_GBL_DATA_SIZE)
|
|
|
|
/* NAND flash settings */
|
|
#define CONFIG_NAND_ATMEL
|
|
#define CONFIG_SYS_NO_FLASH
|
|
#define CONFIG_SYS_MAX_NAND_DEVICE 1
|
|
#define CONFIG_SYS_NAND_BASE ATMEL_BASE_CS3
|
|
#define CONFIG_SYS_NAND_DBW_8
|
|
#define CONFIG_SYS_NAND_MASK_ALE (1 << 21)
|
|
#define CONFIG_SYS_NAND_MASK_CLE (1 << 22)
|
|
#define CONFIG_SYS_NAND_ENABLE_PIN AT91_PIN_PC14
|
|
#define CONFIG_SYS_NAND_READY_PIN AT91_PIN_PC13
|
|
|
|
/* general purpose I/O */
|
|
#define CONFIG_ATMEL_LEGACY /* required until (g)pio is fixed */
|
|
#define CONFIG_AT91_GPIO /* enable the GPIO features */
|
|
#define CONFIG_AT91_GPIO_PULLUP 1 /* keep pullups on peripheral pins */
|
|
|
|
/* serial console */
|
|
#define CONFIG_ATMEL_USART
|
|
#define CONFIG_USART_BASE ATMEL_BASE_DBGU
|
|
#define CONFIG_USART_ID ATMEL_ID_SYS
|
|
#define CONFIG_BAUDRATE 115200
|
|
|
|
/* LED configuration */
|
|
#define CONFIG_STATUS_LED
|
|
#define CONFIG_BOARD_SPECIFIC_LED
|
|
|
|
/* The LED PINs */
|
|
#define CONFIG_RED_LED AT91_PIN_PC5
|
|
#define CONFIG_GREEN_LED AT91_PIN_PC4
|
|
#define CONFIG_YELLOW_LED AT91_PIN_PC10
|
|
|
|
#define STATUS_LED_RED 0
|
|
#define STATUS_LED_GREEN 1
|
|
#define STATUS_LED_YELLOW 2
|
|
|
|
/* Red LED */
|
|
#define STATUS_LED_BIT STATUS_LED_RED
|
|
#define STATUS_LED_STATE STATUS_LED_OFF
|
|
#define STATUS_LED_PERIOD (CONFIG_SYS_HZ / 2)
|
|
|
|
/* Green LED */
|
|
#define STATUS_LED_BIT1 STATUS_LED_GREEN
|
|
#define STATUS_LED_STATE1 STATUS_LED_ON
|
|
#define STATUS_LED_PERIOD1 (CONFIG_SYS_HZ / 2)
|
|
|
|
/* Yellow LED */
|
|
#define STATUS_LED_BIT2 STATUS_LED_YELLOW
|
|
#define STATUS_LED_STATE2 STATUS_LED_OFF
|
|
#define STATUS_LED_PERIOD2 (CONFIG_SYS_HZ / 2)
|
|
|
|
/* Boot status LED */
|
|
#define STATUS_LED_BOOT STATUS_LED_GREEN
|
|
|
|
/*
|
|
* Ethernet configuration
|
|
*
|
|
* PortuxG20 has always ethernet but for Stamp9G20 you
|
|
* can enable it here if your baseboard features ethernet.
|
|
*/
|
|
|
|
/* #define CONFIG_MACB */
|
|
|
|
#ifdef CONFIG_MACB
|
|
# define CONFIG_RMII /* use reduced MII inteface */
|
|
# define CONFIG_NET_RETRY_COUNT 20 /* # of DHCP/BOOTP retries */
|
|
|
|
/* BOOTP and DHCP options */
|
|
# define CONFIG_BOOTP_BOOTFILESIZE
|
|
# define CONFIG_BOOTP_BOOTPATH
|
|
# define CONFIG_BOOTP_GATEWAY
|
|
# define CONFIG_BOOTP_HOSTNAME
|
|
# define CONFIG_NFSBOOTCOMMAND \
|
|
"setenv autoload yes; setenv autoboot yes; " \
|
|
"setenv bootargs ${basicargs} ${mtdparts} " \
|
|
"root=/dev/nfs ip=dhcp nfsroot=${serverip}:/srv/nfs/rootfs; " \
|
|
"dhcp"
|
|
#endif /* CONFIG_MACB */
|
|
|
|
/* Enable the watchdog */
|
|
#define CONFIG_AT91SAM9_WATCHDOG
|
|
#define CONFIG_HW_WATCHDOG
|
|
|
|
/* USB configuration */
|
|
#define CONFIG_USB_ATMEL
|
|
#define CONFIG_USB_OHCI_NEW
|
|
#define CONFIG_USB_STORAGE
|
|
#define CONFIG_DOS_PARTITION
|
|
#define CONFIG_SYS_USB_OHCI_CPU_INIT
|
|
#define CONFIG_SYS_USB_OHCI_REGS_BASE ATMEL_UHP_BASE
|
|
#define CONFIG_SYS_USB_OHCI_SLOT_NAME "at91sam9260"
|
|
#define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS 2
|
|
|
|
/* General Boot Parameter */
|
|
#define CONFIG_BOOTDELAY 3
|
|
#define CONFIG_BOOTCOMMAND "run flashboot"
|
|
#define CONFIG_SYS_PROMPT "U-Boot> "
|
|
#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
|
|
|
|
/*
|
|
* RAM Memory address where to put the
|
|
* Linux Kernel befor starting.
|
|
*/
|
|
#define CONFIG_SYS_LOAD_ADDR 0x22000000
|
|
|
|
/*
|
|
* The NAND Flash partitions:
|
|
* ==========================================
|
|
* 0x0000000-0x001ffff -> 128k, bootstrap
|
|
* 0x0020000-0x005ffff -> 256k, u-boot
|
|
* 0x0060000-0x007ffff -> 128k, env1
|
|
* 0x0080000-0x009ffff -> 128k, env2 (backup)
|
|
* 0x0100000-0x06fffff -> 6M, kernel
|
|
* 0x0700000-0x8000000 -> 121M, RootFS
|
|
*/
|
|
#define CONFIG_ENV_IS_IN_NAND
|
|
#define CONFIG_ENV_OFFSET ((128 + 256) << 10)
|
|
#define CONFIG_ENV_OFFSET_REDUND ((128 + 256 + 128) << 10)
|
|
#define CONFIG_ENV_SIZE (128 << 10)
|
|
|
|
/*
|
|
* Predefined environment variables.
|
|
* Usefull to define some easy to use boot commands.
|
|
*/
|
|
#define CONFIG_EXTRA_ENV_SETTINGS \
|
|
\
|
|
"basicargs=console=ttyS0,115200\0" \
|
|
\
|
|
"mtdparts=mtdparts=atmel_nand:128k(bootstrap)ro," \
|
|
"256k(uboot)ro,128k(env1)ro," \
|
|
"128k(env2)ro,6M(linux),-(root)rw\0" \
|
|
\
|
|
"flashboot=setenv bootargs ${basicargs} ${mtdparts} " \
|
|
"root=/dev/mtdblock5 rootfstype=jffs2; " \
|
|
"nand read 0x22000000 0x100000 0x600000; " \
|
|
"bootm 22000000\0" \
|
|
\
|
|
"sdboot=setenv bootargs ${basicargs} ${mtdparts} " \
|
|
"root=/dev/mmcblk0p1 rootwait; " \
|
|
"nand read 0x22000000 0x100000 0x600000; " \
|
|
"bootm 22000000"
|
|
|
|
/* Command line & features configuration */
|
|
#include <config_cmd_default.h>
|
|
#undef CONFIG_CMD_FPGA
|
|
#undef CONFIG_CMD_IMI
|
|
#undef CONFIG_CMD_IMLS
|
|
#undef CONFIG_CMD_LOADS
|
|
|
|
#define CONFIG_CMD_NAND
|
|
#define CONFIG_CMD_USB
|
|
#define CONFIG_CMD_FAT
|
|
#define CONFIG_CMD_LED
|
|
|
|
#ifdef CONFIG_MACB
|
|
# define CONFIG_CMD_PING
|
|
# define CONFIG_CMD_DHCP
|
|
#else
|
|
# undef CONFIG_CMD_BOOTD
|
|
# undef CONFIG_CMD_NET
|
|
# undef CONFIG_CMD_NFS
|
|
#endif /* CONFIG_MACB */
|
|
|
|
#endif /* __CONFIG_H */
|