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authorMarkus Hubig <mhubig@imko.de>2012-08-07 17:43:23 +0200
committerAlbert ARIBAUD <albert.u.boot@aribaud.net>2012-09-01 14:58:16 +0200
commit2399ef73859f7ef54d2da9c3274c01f86726eff8 (patch)
tree28d6e03a389f0bfa48ee6074eaeec47c5ff9d69a /include
parenta3dab5d1d9447d75dbf3bb47abc7341508ccafd5 (diff)
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at91: Add support for taskit AT91SAM9G20 boards.
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>
Diffstat (limited to 'include')
-rw-r--r--include/configs/stamp9g20.h266
1 files changed, 266 insertions, 0 deletions
diff --git a/include/configs/stamp9g20.h b/include/configs/stamp9g20.h
new file mode 100644
index 0000000..a2a0156
--- /dev/null
+++ b/include/configs/stamp9g20.h
@@ -0,0 +1,266 @@
+/*
+ * (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 */