avr32: add grasshopper (ICnova AP7000) board

The grasshopper board is a neat avr32 evaluation kit produced by In-Circuit
GmbH.
See http://www.ic-board.de/product_info.php?info=p75_ICnova-AP7000-Base.html
for detailed information about this device.

Signed-off-by: Andreas Bießmann <biessmann@corscience.de>
Signed-off-by: Reinhard Meyer <u-boot@emk-elektronik.de>

1 files changed, 198 insertions, 0 deletions

diff --git a/include/configs/grasshopper.h b/include/configs/grasshopper.h
new file mode 100644
index 0000000000..9779449bc6
--- /dev/null
+++ b/include/configs/grasshopper.h
@@ -0,0 +1,198 @@
+/*
+ * Copyright (C) 2011
+ * Corscience GmbH & Co.KG, Andreas Bießmann <biessmann@corscience.de>
+ *
+ * Configuration settings for the grasshopper (ICnova AP7000) 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 __GRASSHOPPER_CONFIG_H
+#define __GRASSHOPPER_CONFIG_H
+
+#include <asm/arch/hardware.h>
+
+#define CONFIG_AVR32
+#define CONFIG_AT32AP
+#define CONFIG_AT32AP7000
+
+/*
+ * Timer clock frequency. We're using the CPU-internal COUNT register
+ * for this, so this is equivalent to the CPU core clock frequency
+ */
+#define CONFIG_SYS_HZ			1000
+
+/*
+ * Set up the PLL to run at 140 MHz, the CPU to run at the PLL
+ * frequency, the HSB and PBB at 1/2, and the PBA to run at 1/4 the
+ * PLL frequency.
+ * (CONFIG_SYS_OSC0_HZ * CONFIG_SYS_PLL0_MUL) / CONFIG_SYS_PLL0_DIV = PLL MHz
+ */
+#define CONFIG_PLL
+#define CONFIG_SYS_POWER_MANAGER
+#define CONFIG_SYS_OSC0_HZ		20000000
+#define CONFIG_SYS_PLL0_DIV		1
+#define CONFIG_SYS_PLL0_MUL		7
+#define CONFIG_SYS_PLL0_SUPPRESS_CYCLES	16
+/*
+ * Set the CPU running at:
+ * PLL / (2^CONFIG_SYS_CLKDIV_CPU) = CPU MHz
+ */
+#define CONFIG_SYS_CLKDIV_CPU		0
+/*
+ * Set the HSB running at:
+ * PLL / (2^CONFIG_SYS_CLKDIV_HSB) = HSB MHz
+ */
+#define CONFIG_SYS_CLKDIV_HSB		1
+/*
+ * Set the PBA running at:
+ * PLL / (2^CONFIG_SYS_CLKDIV_PBA) = PBA MHz
+ */
+#define CONFIG_SYS_CLKDIV_PBA		2
+/*
+ * Set the PBB running at:
+ * PLL / (2^CONFIG_SYS_CLKDIV_PBB) = PBB MHz
+ */
+#define CONFIG_SYS_CLKDIV_PBB		1
+
+/* Reserve VM regions for SDRAM and NOR flash */
+#define CONFIG_SYS_NR_VM_REGIONS	2
+
+/*
+ * 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 CONFIG_SYS_PLL0_OPT		0x04
+
+#define CONFIG_USART_BASE		ATMEL_BASE_USART1
+#define CONFIG_USART_ID			1
+
+/* User serviceable stuff */
+#define CONFIG_CMDLINE_TAG
+#define CONFIG_SETUP_MEMORY_TAGS
+#define CONFIG_INITRD_TAG
+
+#define CONFIG_STACKSIZE		(2048)
+
+#define CONFIG_BAUDRATE			115200
+
+/*
+ * Only interrupt autoboot if <space> is pressed. Otherwise, garbage
+ * data on the serial line may interrupt the boot sequence.
+ */
+#define CONFIG_BOOTDELAY		1
+#define CONFIG_AUTOBOOT
+#define CONFIG_AUTOBOOT_KEYED
+#define CONFIG_AUTOBOOT_PROMPT		"Press SPACE to abort autoboot in %d" \
+					" seconds\n", bootdelay
+#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". This is normally done during production.
+ */
+#define CONFIG_OVERWRITE_ETHADDR_ONCE
+#define CONFIG_NET_MULTI
+
+/*
+ * BOOTP options
+ */
+#define CONFIG_BOOTP_SUBNETMASK
+#define CONFIG_BOOTP_GATEWAY
+
+/*
+ * Command line configuration.
+ */
+#include <config_cmd_default.h>
+
+/* remove unneeded commands */
+#undef CONFIG_CMD_FPGA
+#undef CONFIG_CMD_SETGETDCR
+
+/* add useful commands */
+#define CONFIG_CMD_ASKENV
+#define CONFIG_CMD_DHCP
+#define CONFIG_CMD_JFFS2
+#define CONFIG_CMD_PING
+#define CONFIG_CMD_REGINFO
+
+#define CONFIG_SYS_HUSH_PARSER
+#define CONFIG_AUTO_COMPLETE
+#define CONFIG_SYS_PROMPT_HUSH_PS2	"~> "
+#define CONFIG_CMDLINE_EDITING
+
+#define CONFIG_ATMEL_USART
+#define CONFIG_MACB
+#define CONFIG_PORTMUX_PIO
+#define CONFIG_SYS_NR_PIOS		5
+#define CONFIG_SYS_HSDRAMC
+
+#define CONFIG_SYS_DCACHE_LINESZ	32
+#define CONFIG_SYS_ICACHE_LINESZ	32
+
+#define CONFIG_NR_DRAM_BANKS		1
+
+#define CONFIG_SYS_FLASH_CFI
+#define CONFIG_FLASH_CFI_DRIVER
+
+#define CONFIG_SYS_FLASH_BASE		0x00000000
+#define CONFIG_SYS_FLASH_SIZE		0x800000
+#define CONFIG_SYS_MAX_FLASH_BANKS	1
+#define CONFIG_SYS_MAX_FLASH_SECT	135
+
+#define CONFIG_SYS_MONITOR_BASE		CONFIG_SYS_FLASH_BASE
+#define CONFIG_SYS_TEXT_BASE		0x00000000
+
+#define CONFIG_SYS_INTRAM_BASE		INTERNAL_SRAM_BASE
+#define CONFIG_SYS_INTRAM_SIZE		INTERNAL_SRAM_SIZE
+#define CONFIG_SYS_SDRAM_BASE		EBI_SDRAM_BASE
+
+#define CONFIG_ENV_IS_IN_FLASH
+/* place u-boot env in flash sector after u-boot */
+#define CONFIG_ENV_SIZE			0x10000
+#define CONFIG_ENV_ADDR			0x20000
+
+#define CONFIG_SYS_INIT_SP_ADDR		(CONFIG_SYS_INTRAM_BASE + \
+					 CONFIG_SYS_INTRAM_SIZE)
+
+#define CONFIG_SYS_MALLOC_LEN		(256*1024)
+#define CONFIG_SYS_DMA_ALLOC_LEN	(16384)
+
+/* Allow 4MB for the kernel run-time image */
+#define CONFIG_SYS_LOAD_ADDR		(EBI_SDRAM_BASE + 0x00400000)
+#define CONFIG_SYS_BOOTPARAMS_LEN	(16 * 1024)
+
+/* Other configuration settings that shouldn't have to change all that often */
+#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_SYS_MEMTEST_START	EBI_SDRAM_BASE
+#define CONFIG_SYS_MEMTEST_END		(CONFIG_SYS_MEMTEST_START + 0x700000)
+#define CONFIG_SYS_BAUDRATE_TABLE	{ 115200, 38400, 19200, 9600, 2400 }
+
+#endif /* __GRASSHOPPER_CONFIG_H */
+/* vim: set ts=8 noet: */