1/* 2 * Copyright (C) 2009 3 * Albin Tonnerre, Free Electrons <albin.tonnerre@free-electrons.com> 4 * 5 * Configuation settings for the Calao SBC35-A9G20 board 6 * 7 * See file CREDITS for list of people who contributed to this 8 * project. 9 * 10 * This program is free software; you can redistribute it and/or 11 * modify it under the terms of the GNU General Public License as 12 * published by the Free Software Foundation; either version 2 of 13 * the License, or (at your option) any later version. 14 * 15 * This program is distributed in the hope that it will be useful, 16 * but WITHOUT ANY WARRANTY; without even the implied warranty of 17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18 * GNU General Public License for more details. 19 * 20 * You should have received a copy of the GNU General Public License 21 * along with this program; if not, write to the Free Software 22 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, 23 * MA 02111-1307 USA 24 */ 25 26#ifndef __CONFIG_H 27#define __CONFIG_H 28 29#if defined(CONFIG_SBC35_A9G20_NANDFLASH) || defined(CONFIG_SBC35_A9G20_EEPROM) 30#define CONFIG_SBC35_A9G20 31#endif 32 33#define CONFIG_AT91SAM9G20 34 35#if defined(CONFIG_SBC35_A9G20_NANDFLASH) 36#define CONFIG_ENV_IS_IN_NAND 37#else 38#define CONFIG_ENV_IS_IN_EEPROM 39#endif 40 41/* ARM asynchronous clock */ 42#define AT91_MAIN_CLOCK 12000000 /* 12.000 MHz crystal */ 43#define CONFIG_SYS_HZ 1000 44 45#define CONFIG_ARM926EJS 1 /* This is an ARM926EJS Core */ 46 47#define CONFIG_ARCH_CPU_INIT 48#undef CONFIG_USE_IRQ /* we don't need IRQ/FIQ stuff */ 49 50#define CONFIG_CMDLINE_TAG 1 /* enable passing of ATAGs */ 51#define CONFIG_SETUP_MEMORY_TAGS 1 52#define CONFIG_INITRD_TAG 1 53 54#define CONFIG_SKIP_LOWLEVEL_INIT 55#define CONFIG_SKIP_RELOCATE_UBOOT 56 57/* 58 * Hardware drivers 59 */ 60#define CONFIG_ATMEL_USART 61#define CONFIG_USART0 62#undef CONFIG_USART1 63#undef CONFIG_USART2 64#undef CONFIG_USART3 65 66#define CONFIG_BOOTDELAY 3 67 68/* 69 * BOOTP options 70 */ 71#define CONFIG_BOOTP_BOOTFILESIZE 1 72#define CONFIG_BOOTP_BOOTPATH 1 73#define CONFIG_BOOTP_GATEWAY 1 74#define CONFIG_BOOTP_HOSTNAME 1 75 76/* 77 * Command line configuration. 78 */ 79#include <config_cmd_default.h> 80#undef CONFIG_CMD_BDI 81#undef CONFIG_CMD_FPGA 82#undef CONFIG_CMD_IMI 83#undef CONFIG_CMD_IMLS 84#undef CONFIG_CMD_LOADS 85#undef CONFIG_CMD_SOURCE 86 87#define CONFIG_CMD_PING 1 88#define CONFIG_CMD_DHCP 1 89#define CONFIG_CMD_USB 1 90 91/* SDRAM */ 92#define CONFIG_NR_DRAM_BANKS 1 93#define PHYS_SDRAM 0x20000000 94#define PHYS_SDRAM_SIZE 0x04000000 /* 64 megs */ 95 96/* SPI EEPROM */ 97#define CONFIG_SPI 98#define CONFIG_CMD_SPI 99#define CONFIG_ATMEL_SPI 100#define CONFIG_SYS_SPI_WRITE_TOUT (5 * CONFIG_SYS_HZ) 101 102#define CONFIG_CMD_EEPROM 103#define CONFIG_SPI_M95XXX 104#define CONFIG_SYS_EEPROM_SIZE 0x10000 105#define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS 5 106 107/* SPI RTC */ 108#define CONFIG_CMD_DATE 109#define CONFIG_RTC_M41T94 110#define CONFIG_M41T94_SPI_BUS 0 111#define CONFIG_M41T94_SPI_CS 0 112 113/* NAND flash */ 114#define CONFIG_CMD_NAND 115#define CONFIG_NAND_ATMEL 116#define CONFIG_SYS_MAX_NAND_DEVICE 1 117#define CONFIG_SYS_NAND_BASE 0x40000000 118#define CONFIG_SYS_NAND_DBW_8 1 119/* our ALE is AD21 */ 120#define CONFIG_SYS_NAND_MASK_ALE (1 << 21) 121/* our CLE is AD22 */ 122#define CONFIG_SYS_NAND_MASK_CLE (1 << 22) 123#define CONFIG_SYS_NAND_ENABLE_PIN AT91_PIN_PC14 124#define CONFIG_SYS_NAND_READY_PIN AT91_PIN_PC13 125 126/* NOR flash - no real flash on this board */ 127#define CONFIG_SYS_NO_FLASH 1 128 129/* Ethernet */ 130#define CONFIG_MACB 1 131#define CONFIG_RMII 1 132#define CONFIG_NET_MULTI 1 133#define CONFIG_NET_RETRY_COUNT 20 134#define CONFIG_RESET_PHY_R 1 135#define CONFIG_MACB_SEARCH_PHY 1 136 137/* USB */ 138#define CONFIG_USB_ATMEL 139#define CONFIG_USB_OHCI_NEW 1 140#define CONFIG_DOS_PARTITION 1 141#define CONFIG_SYS_USB_OHCI_CPU_INIT 1 142#define CONFIG_SYS_USB_OHCI_REGS_BASE 0x00500000 /* AT91SAM9260_UHP_BASE */ 143#define CONFIG_SYS_USB_OHCI_SLOT_NAME "at91sam9260" 144#define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS 2 145#define CONFIG_USB_STORAGE 1 146#define CONFIG_CMD_FAT 1 147 148#define CONFIG_SYS_LOAD_ADDR 0x22000000 /* load address */ 149 150#define CONFIG_SYS_MEMTEST_START PHYS_SDRAM 151#define CONFIG_SYS_MEMTEST_END 0x23e00000 152 153/* Env in EEPROM, bootstrap + u-boot in NAND*/ 154#ifdef CONFIG_ENV_IS_IN_EEPROM 155#define CONFIG_ENV_OFFSET 0x20 156#define CONFIG_ENV_SIZE 0x1000 157#endif 158 159/* Env, bootstrap and u-boot in NAND */ 160#ifdef CONFIG_ENV_IS_IN_NAND 161#define CONFIG_ENV_OFFSET 0x60000 162#define CONFIG_ENV_OFFSET_REDUND 0x80000 163#define CONFIG_ENV_SIZE 0x20000 164#define CONFIG_SYS_64BIT_VSPRINTF /* needed for nand_util.c */ 165#endif 166 167#define CONFIG_BOOTCOMMAND "nboot 0x21000000 0 400000" 168#define CONFIG_BOOTARGS "console=ttyS0,115200 " \ 169 "root=/dev/mtdblock1 " \ 170 "mtdparts=atmel_nand:16M(kernel)ro," \ 171 "120M(rootfs),-(other) " \ 172 "rw rootfstype=jffs2" 173 174#define CONFIG_BAUDRATE 115200 175#define CONFIG_SYS_BAUDRATE_TABLE {115200 , 19200, 38400, 57600, 9600 } 176 177#define CONFIG_SYS_PROMPT "U-Boot> " 178#define CONFIG_SYS_CBSIZE 256 179#define CONFIG_SYS_MAXARGS 16 180#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16) 181#define CONFIG_SYS_LONGHELP 1 182#define CONFIG_CMDLINE_EDITING 1 183 184/* 185 * Size of malloc() pool 186 */ 187#define CONFIG_SYS_MALLOC_LEN ROUND(3 * CONFIG_ENV_SIZE + 128 * 1024, 0x1000) 188#define CONFIG_SYS_GBL_DATA_SIZE 128 /* 128 bytes for initial data */ 189#define CONFIG_STACKSIZE (32 * 1024) /* regular stack */ 190 191#ifdef CONFIG_USE_IRQ 192#error CONFIG_USE_IRQ not supported 193#endif 194 195#endif 196