1/* 2 * Copyright (C) 2011 3 * Corscience GmbH & Co.KG, Andreas Bießmann <biessmann@corscience.de> 4 * 5 * Configuration settings for the grasshopper (ICnova AP7000) board 6 * 7 * SPDX-License-Identifier: GPL-2.0+ 8 */ 9#ifndef __GRASSHOPPER_CONFIG_H 10#define __GRASSHOPPER_CONFIG_H 11 12#include <asm/arch/hardware.h> 13 14#define CONFIG_AT32AP 15#define CONFIG_AT32AP7000 16 17/* 18 * Set up the PLL to run at 140 MHz, the CPU to run at the PLL 19 * frequency, the HSB and PBB at 1/2, and the PBA to run at 1/4 the 20 * PLL frequency. 21 * (CONFIG_SYS_OSC0_HZ * CONFIG_SYS_PLL0_MUL) / CONFIG_SYS_PLL0_DIV = PLL MHz 22 */ 23#define CONFIG_PLL 24#define CONFIG_SYS_POWER_MANAGER 25#define CONFIG_SYS_OSC0_HZ 20000000 26#define CONFIG_SYS_PLL0_DIV 1 27#define CONFIG_SYS_PLL0_MUL 7 28#define CONFIG_SYS_PLL0_SUPPRESS_CYCLES 16 29/* 30 * Set the CPU running at: 31 * PLL / (2^CONFIG_SYS_CLKDIV_CPU) = CPU MHz 32 */ 33#define CONFIG_SYS_CLKDIV_CPU 0 34/* 35 * Set the HSB running at: 36 * PLL / (2^CONFIG_SYS_CLKDIV_HSB) = HSB MHz 37 */ 38#define CONFIG_SYS_CLKDIV_HSB 1 39/* 40 * Set the PBA running at: 41 * PLL / (2^CONFIG_SYS_CLKDIV_PBA) = PBA MHz 42 */ 43#define CONFIG_SYS_CLKDIV_PBA 2 44/* 45 * Set the PBB running at: 46 * PLL / (2^CONFIG_SYS_CLKDIV_PBB) = PBB MHz 47 */ 48#define CONFIG_SYS_CLKDIV_PBB 1 49 50/* Reserve VM regions for SDRAM and NOR flash */ 51#define CONFIG_SYS_NR_VM_REGIONS 2 52 53/* 54 * The PLLOPT register controls the PLL like this: 55 * icp = PLLOPT<2> 56 * ivco = PLLOPT<1:0> 57 * 58 * We want icp=1 (default) and ivco=0 (80-160 MHz) or ivco=2 (150-240MHz). 59 */ 60#define CONFIG_SYS_PLL0_OPT 0x04 61 62#define CONFIG_USART_BASE ATMEL_BASE_USART1 63#define CONFIG_USART_ID 1 64 65#define CONFIG_SYS_GENERIC_BOARD 66#define CONFIG_BOARD_EARLY_INIT_F 67#define CONFIG_BOARD_EARLY_INIT_R 68 69/* User serviceable stuff */ 70#define CONFIG_CMDLINE_TAG 71#define CONFIG_SETUP_MEMORY_TAGS 72#define CONFIG_INITRD_TAG 73 74#define CONFIG_STACKSIZE (2048) 75 76#define CONFIG_BAUDRATE 115200 77 78/* 79 * Only interrupt autoboot if <space> is pressed. Otherwise, garbage 80 * data on the serial line may interrupt the boot sequence. 81 */ 82#define CONFIG_BOOTDELAY 1 83#define CONFIG_AUTOBOOT 84#define CONFIG_AUTOBOOT_KEYED 85#define CONFIG_AUTOBOOT_PROMPT "Press SPACE to abort autoboot in %d" \ 86 " seconds\n", bootdelay 87#define CONFIG_AUTOBOOT_DELAY_STR "d" 88#define CONFIG_AUTOBOOT_STOP_STR " " 89 90/* 91 * After booting the board for the first time, new ethernet addresses 92 * should be generated and assigned to the environment variables 93 * "ethaddr". This is normally done during production. 94 */ 95#define CONFIG_OVERWRITE_ETHADDR_ONCE 96 97/* 98 * BOOTP options 99 */ 100#define CONFIG_BOOTP_SUBNETMASK 101#define CONFIG_BOOTP_GATEWAY 102 103/* 104 * Command line configuration. 105 */ 106#include <config_cmd_default.h> 107 108/* remove unneeded commands */ 109#undef CONFIG_CMD_FPGA 110#undef CONFIG_CMD_SETGETDCR 111 112/* add useful commands */ 113#define CONFIG_CMD_ASKENV 114#define CONFIG_CMD_DHCP 115#define CONFIG_CMD_JFFS2 116#define CONFIG_CMD_PING 117#define CONFIG_CMD_REGINFO 118 119#define CONFIG_SYS_HUSH_PARSER 120#define CONFIG_AUTO_COMPLETE 121#define CONFIG_CMDLINE_EDITING 122 123#define CONFIG_ATMEL_USART 124#define CONFIG_MACB 125#define CONFIG_PORTMUX_PIO 126#define CONFIG_SYS_NR_PIOS 5 127#define CONFIG_SYS_HSDRAMC 128 129#define CONFIG_SYS_DCACHE_LINESZ 32 130#define CONFIG_SYS_ICACHE_LINESZ 32 131 132#define CONFIG_NR_DRAM_BANKS 1 133 134#define CONFIG_SYS_FLASH_CFI 135#define CONFIG_FLASH_CFI_DRIVER 136 137#define CONFIG_SYS_FLASH_BASE 0x00000000 138#define CONFIG_SYS_FLASH_SIZE 0x800000 139#define CONFIG_SYS_MAX_FLASH_BANKS 1 140#define CONFIG_SYS_MAX_FLASH_SECT 135 141 142#define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE 143#define CONFIG_SYS_TEXT_BASE 0x00000000 144 145#define CONFIG_SYS_INTRAM_BASE INTERNAL_SRAM_BASE 146#define CONFIG_SYS_INTRAM_SIZE INTERNAL_SRAM_SIZE 147#define CONFIG_SYS_SDRAM_BASE EBI_SDRAM_BASE 148 149#define CONFIG_ENV_IS_IN_FLASH 150/* place u-boot env in flash sector after u-boot */ 151#define CONFIG_ENV_SIZE 0x10000 152#define CONFIG_ENV_ADDR 0x20000 153 154#define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SYS_INTRAM_BASE + \ 155 CONFIG_SYS_INTRAM_SIZE) 156 157#define CONFIG_SYS_MALLOC_LEN (256*1024) 158 159/* Allow 4MB for the kernel run-time image */ 160#define CONFIG_SYS_LOAD_ADDR (EBI_SDRAM_BASE + 0x00400000) 161#define CONFIG_SYS_BOOTPARAMS_LEN (16 * 1024) 162 163/* Other configuration settings that shouldn't have to change all that often */ 164#define CONFIG_SYS_PROMPT "U-Boot> " 165#define CONFIG_SYS_CBSIZE 256 166#define CONFIG_SYS_MAXARGS 16 167#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + \ 168 sizeof(CONFIG_SYS_PROMPT) + 16) 169#define CONFIG_SYS_LONGHELP 170 171#define CONFIG_SYS_MEMTEST_START EBI_SDRAM_BASE 172#define CONFIG_SYS_MEMTEST_END (CONFIG_SYS_MEMTEST_START + 0x700000) 173 174#endif /* __GRASSHOPPER_CONFIG_H */ 175/* vim: set ts=8 noet: */ 176