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Diffstat (limited to 'include/configs/grasshopper.h')
| -rw-r--r-- | include/configs/grasshopper.h | 195 |
1 files changed, 195 insertions, 0 deletions
diff --git a/include/configs/grasshopper.h b/include/configs/grasshopper.h new file mode 100644 index 0000000..07e8a49 --- /dev/null +++ b/include/configs/grasshopper.h @@ -0,0 +1,195 @@ +/* + * 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 + +/* + * 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_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) + +#endif /* __GRASSHOPPER_CONFIG_H */ +/* vim: set ts=8 noet: */ |
