| /* |
| * 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_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: */ |