1/* 2 * (C) Copyright 2007-2008 3 * Stelian Pop <stelian@popies.net> 4 * Lead Tech Design <www.leadtechdesign.com> 5 * 6 * Configuation settings for the AT91SAM9260EK & AT91SAM9G20EK boards. 7 * 8 * See file CREDITS for list of people who contributed to this 9 * project. 10 * 11 * This program is free software; you can redistribute it and/or 12 * modify it under the terms of the GNU General Public License as 13 * published by the Free Software Foundation; either version 2 of 14 * the License, or (at your option) any later version. 15 * 16 * This program is distributed in the hope that it will be useful, 17 * but WITHOUT ANY WARRANTY; without even the implied warranty of 18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 19 * GNU General Public License for more details. 20 * 21 * You should have received a copy of the GNU General Public License 22 * along with this program; if not, write to the Free Software 23 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, 24 * MA 02111-1307 USA 25 */ 26 27#ifndef __CONFIG_H 28#define __CONFIG_H 29 30/* 31 * SoC must be defined first, before hardware.h is included. 32 * In this case SoC is defined in boards.cfg. 33 */ 34#include <asm/hardware.h> 35 36/* 37 * Warning: changing CONFIG_SYS_TEXT_BASE requires 38 * adapting the initial boot program. 39 * Since the linker has to swallow that define, we must use a pure 40 * hex number here! 41 */ 42#define CONFIG_SYS_TEXT_BASE 0x21f00000 43 44/* ARM asynchronous clock */ 45#define CONFIG_SYS_AT91_SLOW_CLOCK 32768 /* slow clock xtal */ 46#define CONFIG_SYS_AT91_MAIN_CLOCK 18432000 /* main clock xtal */ 47#define CONFIG_SYS_HZ 1000 48 49/* Define actual evaluation board type from used processor type */ 50#ifdef CONFIG_AT91SAM9G20 51# define CONFIG_AT91SAM9G20EK /* It's an Atmel AT91SAM9G20 EK */ 52#else 53# define CONFIG_AT91SAM9260EK /* It's an Atmel AT91SAM9260 EK */ 54#endif 55 56/* Misc CPU related */ 57#define CONFIG_ARCH_CPU_INIT 58#undef CONFIG_USE_IRQ /* we don't need IRQ/FIQ stuff */ 59#define CONFIG_CMDLINE_TAG /* enable passing of ATAGs */ 60#define CONFIG_SETUP_MEMORY_TAGS 61#define CONFIG_INITRD_TAG 62#define CONFIG_SKIP_LOWLEVEL_INIT 63#define CONFIG_BOARD_EARLY_INIT_F 64#define CONFIG_DISPLAY_CPUINFO 65 66/* general purpose I/O */ 67#define CONFIG_ATMEL_LEGACY /* required until (g)pio is fixed */ 68#define CONFIG_AT91_GPIO 69#define CONFIG_AT91_GPIO_PULLUP 1 /* keep pullups on peripheral pins */ 70 71/* serial console */ 72#define CONFIG_ATMEL_USART 73#define CONFIG_USART_BASE ATMEL_BASE_DBGU 74#define CONFIG_USART_ID ATMEL_ID_SYS 75#define CONFIG_BAUDRATE 115200 76 77/* LED */ 78#define CONFIG_AT91_LED 79#define CONFIG_RED_LED AT91_PIN_PA9 /* this is the power led */ 80#define CONFIG_GREEN_LED AT91_PIN_PA6 /* this is the user led */ 81 82#define CONFIG_BOOTDELAY 3 83 84/* 85 * BOOTP options 86 */ 87#define CONFIG_BOOTP_BOOTFILESIZE 1 88#define CONFIG_BOOTP_BOOTPATH 1 89#define CONFIG_BOOTP_GATEWAY 1 90#define CONFIG_BOOTP_HOSTNAME 1 91 92/* 93 * Command line configuration. 94 */ 95#include <config_cmd_default.h> 96#undef CONFIG_CMD_BDI 97#undef CONFIG_CMD_FPGA 98#undef CONFIG_CMD_IMI 99#undef CONFIG_CMD_IMLS 100#undef CONFIG_CMD_LOADS 101#undef CONFIG_CMD_SOURCE 102 103#define CONFIG_CMD_PING 1 104#define CONFIG_CMD_DHCP 1 105#define CONFIG_CMD_NAND 1 106#define CONFIG_CMD_USB 1 107 108/* 109 * SDRAM: 1 bank, min 32, max 128 MB 110 * Initialized before u-boot gets started. 111 */ 112#define CONFIG_NR_DRAM_BANKS 1 113#define CONFIG_SYS_SDRAM_BASE ATMEL_BASE_CS1 114#define CONFIG_SYS_SDRAM_SIZE 0x04000000 115 116/* 117 * Initial stack pointer: 4k - GENERATED_GBL_DATA_SIZE in internal SRAM, 118 * leaving the correct space for initial global data structure above 119 * that address while providing maximum stack area below. 120 */ 121#ifdef CONFIG_AT91SAM9XE 122# define CONFIG_SYS_INIT_SP_ADDR \ 123 (ATMEL_BASE_SRAM + 0x1000 - GENERATED_GBL_DATA_SIZE) 124#else 125# define CONFIG_SYS_INIT_SP_ADDR \ 126 (ATMEL_BASE_SRAM1 + 0x1000 - GENERATED_GBL_DATA_SIZE) 127#endif 128 129/* DataFlash */ 130#define CONFIG_ATMEL_DATAFLASH_SPI 131#define CONFIG_HAS_DATAFLASH 1 132#define CONFIG_SYS_SPI_WRITE_TOUT (5*CONFIG_SYS_HZ) 133#define CONFIG_SYS_MAX_DATAFLASH_BANKS 2 134#define CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 0xC0000000 /* CS0 */ 135#define CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS1 0xD0000000 /* CS1 */ 136#define AT91_SPI_CLK 15000000 137 138#ifdef CONFIG_AT91SAM9G20EK 139#define DATAFLASH_TCSS (0x22 << 16) 140#else 141#define DATAFLASH_TCSS (0x1a << 16) 142#endif 143#define DATAFLASH_TCHS (0x1 << 24) 144 145/* NAND flash */ 146#ifdef CONFIG_CMD_NAND 147#define CONFIG_NAND_ATMEL 148#define CONFIG_SYS_MAX_NAND_DEVICE 1 149#define CONFIG_SYS_NAND_BASE ATMEL_BASE_CS3 150#define CONFIG_SYS_NAND_DBW_8 151#define CONFIG_SYS_NAND_MASK_ALE (1 << 21) 152#define CONFIG_SYS_NAND_MASK_CLE (1 << 22) 153#define CONFIG_SYS_NAND_ENABLE_PIN AT91_PIN_PC14 154#define CONFIG_SYS_NAND_READY_PIN AT91_PIN_PC13 155#endif 156 157/* NOR flash - no real flash on this board */ 158#define CONFIG_SYS_NO_FLASH 1 159 160/* Ethernet */ 161#define CONFIG_MACB 1 162#define CONFIG_RMII 1 163#define CONFIG_NET_RETRY_COUNT 20 164#define CONFIG_RESET_PHY_R 1 165 166/* USB */ 167#define CONFIG_USB_ATMEL 168#define CONFIG_USB_OHCI_NEW 1 169#define CONFIG_DOS_PARTITION 1 170#define CONFIG_SYS_USB_OHCI_CPU_INIT 1 171#define CONFIG_SYS_USB_OHCI_REGS_BASE 0x00500000 /* AT91SAM9260_UHP_BASE */ 172#define CONFIG_SYS_USB_OHCI_SLOT_NAME "at91sam9260" 173#define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS 2 174#define CONFIG_USB_STORAGE 1 175#define CONFIG_CMD_FAT 1 176 177#define CONFIG_SYS_LOAD_ADDR 0x22000000 /* load address */ 178 179#define CONFIG_SYS_MEMTEST_START CONFIG_SYS_SDRAM_BASE 180#define CONFIG_SYS_MEMTEST_END 0x23e00000 181 182#ifdef CONFIG_SYS_USE_DATAFLASH_CS0 183 184/* bootstrap + u-boot + env + linux in dataflash on CS0 */ 185#define CONFIG_ENV_IS_IN_DATAFLASH 1 186#define CONFIG_SYS_MONITOR_BASE (CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 + 0x8400) 187#define CONFIG_ENV_OFFSET 0x4200 188#define CONFIG_ENV_ADDR (CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 + CONFIG_ENV_OFFSET) 189#define CONFIG_ENV_SIZE 0x4200 190#define CONFIG_BOOTCOMMAND "cp.b 0xC0084000 0x22000000 0x210000; bootm" 191#define CONFIG_BOOTARGS "console=ttyS0,115200 " \ 192 "root=/dev/mtdblock0 " \ 193 "mtdparts=atmel_nand:-(root) " \ 194 "rw rootfstype=jffs2" 195 196#elif CONFIG_SYS_USE_DATAFLASH_CS1 197 198/* bootstrap + u-boot + env + linux in dataflash on CS1 */ 199#define CONFIG_ENV_IS_IN_DATAFLASH 1 200#define CONFIG_SYS_MONITOR_BASE (CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS1 + 0x8400) 201#define CONFIG_ENV_OFFSET 0x4200 202#define CONFIG_ENV_ADDR (CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS1 + CONFIG_ENV_OFFSET) 203#define CONFIG_ENV_SIZE 0x4200 204#define CONFIG_BOOTCOMMAND "cp.b 0xD0084000 0x22000000 0x210000; bootm" 205#define CONFIG_BOOTARGS "console=ttyS0,115200 " \ 206 "root=/dev/mtdblock0 " \ 207 "mtdparts=atmel_nand:-(root) " \ 208 "rw rootfstype=jffs2" 209 210#else /* CONFIG_SYS_USE_NANDFLASH */ 211 212/* bootstrap + u-boot + env + linux in nandflash */ 213#define CONFIG_ENV_IS_IN_NAND 1 214#define CONFIG_ENV_OFFSET 0x60000 215#define CONFIG_ENV_OFFSET_REDUND 0x80000 216#define CONFIG_ENV_SIZE 0x20000 /* 1 sector = 128 kB */ 217#define CONFIG_BOOTCOMMAND "nand read 0x22000000 0xA0000 0x200000; bootm" 218#define CONFIG_BOOTARGS "console=ttyS0,115200 " \ 219 "root=/dev/mtdblock5 " \ 220 "mtdparts=atmel_nand:128k(bootstrap)ro," \ 221 "256k(uboot)ro,128k(env1)ro," \ 222 "128k(env2)ro,2M(linux),-(root) " \ 223 "rw rootfstype=jffs2" 224 225#endif 226 227#define CONFIG_SYS_PROMPT "U-Boot> " 228#define CONFIG_SYS_CBSIZE 256 229#define CONFIG_SYS_MAXARGS 16 230#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16) 231#define CONFIG_SYS_LONGHELP 1 232#define CONFIG_CMDLINE_EDITING 1 233#define CONFIG_AUTO_COMPLETE 234 235/* 236 * Size of malloc() pool 237 */ 238#define CONFIG_SYS_MALLOC_LEN ROUND(3 * CONFIG_ENV_SIZE + 128*1024, 0x1000) 239 240#define CONFIG_STACKSIZE (32*1024) /* regular stack */ 241 242#ifdef CONFIG_USE_IRQ 243#error CONFIG_USE_IRQ not supported 244#endif 245 246#endif 247