1/* 2 * Copyright (C) 2004 Sascha Hauer, Pengutronix 3 * 4 * This program is free software; you can redistribute it and/or 5 * modify it under the terms of the GNU General Public License as 6 * published by the Free Software Foundation; either version 2 of 7 * the License, or (at your option) any later version. 8 * 9 * This program is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 * GNU General Public License for more details. 13 * 14 * You should have received a copy of the GNU General Public License 15 * along with this program; if not, write to the Free Software 16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, 17 * MA 02111-1307 USA 18 */ 19 20#ifndef __CONFIG_H 21#define __CONFIG_H 22 23#define CONFIG_ARM920T 1 /* this is an ARM920T CPU */ 24#define CONFIG_IMX 1 /* in a Motorola MC9328MXL Chip */ 25#define CONFIG_MX1FS2 1 /* on a mx1fs2 board */ 26#undef CONFIG_USE_IRQ /* don't need use IRQ/FIQ */ 27 28/* 29 * Select serial console configuration 30 */ 31#undef _CONFIG_UART1 /* internal uart 1 */ 32#define _CONFIG_UART2 /* internal uart 2 */ 33#undef _CONFIG_UART3 /* internal uart 3 */ 34#undef _CONFIG_UART4 /* internal uart 4 */ 35#undef CONFIG_SILENT_CONSOLE /* use this to disable output */ 36 37/* 38 * BOOTP options 39 */ 40#define CONFIG_BOOTP_BOOTFILESIZE 41#define CONFIG_BOOTP_BOOTPATH 42#define CONFIG_BOOTP_GATEWAY 43#define CONFIG_BOOTP_HOSTNAME 44 45/* 46 * Command line configuration. 47 */ 48#include <config_cmd_default.h> 49 50#define CONFIG_CMD_JFFS2 51 52#undef CONFIG_CMD_CONSOLE 53#undef CONFIG_CMD_DHCP 54#undef CONFIG_CMD_LOADS 55#undef CONFIG_CMD_NET 56#undef CONFIG_CMD_PING 57#undef CONFIG_CMD_SOURCE 58 59/* 60 * Boot options. Setting delay to -1 stops autostart count down. 61 */ 62#define CONFIG_BOOTDELAY 10 63#define CONFIG_BOOTARGS "root=/dev/mtdblock4 console=ttySMX0,115200n8 rootfstype=jffs2" 64#define CONFIG_BOOTCOMMAND "bootm 10080000" 65#define CONFIG_SHOW_BOOT_PROGRESS 66 67/* 68 * General options for u-boot. Modify to save memory foot print 69 */ 70#define CONFIG_SYS_LONGHELP /* undef saves memory */ 71#define CONFIG_SYS_PROMPT "mx1fs2> " /* prompt string */ 72#define CONFIG_SYS_CBSIZE 256 /* console I/O buffer */ 73#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* print buffer size */ 74#define CONFIG_SYS_MAXARGS 16 /* max command args */ 75#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* boot args buf size */ 76 77#define CONFIG_SYS_MEMTEST_START 0x08100000 /* memtest test area */ 78#define CONFIG_SYS_MEMTEST_END 0x08F00000 79 80#define CONFIG_SYS_HZ 3686400 /* incrementer freq: 3.6864 MHz */ 81#define CONFIG_SYS_CPUSPEED 0x141 /* core clock - register value */ 82 83#define CONFIG_SYS_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 } 84#define CONFIG_BAUDRATE 115200 85/* 86 * Definitions related to passing arguments to kernel. 87 */ 88#define CONFIG_CMDLINE_TAG 1 /* send commandline to Kernel */ 89#define CONFIG_SETUP_MEMORY_TAGS 1 /* send memory definition to kernel */ 90#define CONFIG_INITRD_TAG 1 /* send initrd params */ 91 92/* 93 * Malloc pool need to host env + 128 Kb reserve for other allocations. 94 */ 95#define CONFIG_SYS_MALLOC_LEN (CONFIG_ENV_SIZE + (128<<10) ) 96 97#define CONFIG_STACKSIZE (120<<10) /* stack size */ 98 99#ifdef CONFIG_USE_IRQ 100#define CONFIG_STACKSIZE_IRQ (4<<10) /* IRQ stack */ 101#define CONFIG_STACKSIZE_FIQ (4<<10) /* FIQ stack */ 102#endif 103 104/* SDRAM Setup Values 105 * 0x910a8300 Precharge Command CAS 3 106 * 0x910a8200 Precharge Command CAS 2 107 * 108 * 0xa10a8300 AutoRefresh Command CAS 3 109 * 0xa10a8200 Set AutoRefresh Command CAS 2 110 */ 111#define PRECHARGE_CMD 0x910a8300 112#define AUTOREFRESH_CMD 0xa10a8300 113 114#define BUS32BIT_VERSION 115/* 116 * SDRAM Memory Map 117 */ 118#define CONFIG_NR_DRAM_BANKS 1 /* we have 1 bank of SDRAM */ 119#define MX1FS2_SDRAM_1 0x08000000 /* SDRAM bank #1 */ 120#ifdef BUS32BIT_VERSION 121#define MX1FS2_SDRAM_1_SIZE (0x04000000 - 0x100000) /* 64 MB - 1M Framebuffer */ 122#else 123#define MX1FS2_SDRAM_1_SIZE (0x01FC0000 - 0x100000) /* 32 MB - 1M Framebuffer */ 124#endif 125/* 126 * Flash Controller settings 127 */ 128 129#define CONFIG_SYS_MAX_FLASH_BANKS 1 /* FLASH banks count (not chip count)*/ 130#define CONFIG_SYS_MAX_FLASH_SECT 256 /* number of sector in FLASH bank */ 131 132#ifdef BUS32BIT_VERSION 133#define MX1FS2_FLASH_BUS_WIDTH 4 /* we use 32 bit FLASH memory... */ 134#define MX1FS2_FLASH_INTERLEAVE 2 /* ... made of 2 chips */ 135#define MX1FS2_FLASH_BANK_SIZE 0x02000000 /* size of one flash bank*/ 136#define MX1FS2_FLASH_SECT_SIZE 0x00020000 /* size of erase sector */ 137#else 138#define MX1FS2_FLASH_BUS_WIDTH 2 /* we use 16 bit FLASH memory... */ 139#define MX1FS2_FLASH_INTERLEAVE 1 /* ... made of 1 chip */ 140#define MX1FS2_FLASH_BANK_SIZE 0x01000000 /* size of one flash bank*/ 141#define MX1FS2_FLASH_SECT_SIZE 0x00010000 /* size of erase sector */ 142#endif 143#define MX1FS2_FLASH_BASE 0x10000000 /* location of flash memory */ 144#define MX1FS2_FLASH_UNLOCK 1 /* perform hw unlock first */ 145 146/* This should be defined if CFI FLASH device is present. Actually benefit 147 is not so clear to me. In other words we can provide more informations 148 to user, but this expects more complex flash handling we do not provide 149 now.*/ 150#undef CONFIG_SYS_FLASH_CFI 151 152#define CONFIG_SYS_FLASH_ERASE_TOUT (2*CONFIG_SYS_HZ) /* timeout for Erase operation */ 153#define CONFIG_SYS_FLASH_WRITE_TOUT (2*CONFIG_SYS_HZ) /* timeout for Write operation */ 154 155#define CONFIG_SYS_FLASH_BASE MX1FS2_FLASH_BASE 156 157/* 158 * This is setting for JFFS2 support in u-boot. 159 * Right now there is no gain for user, but later on booting kernel might be 160 * possible. Consider using XIP kernel running from flash to save RAM 161 * footprint. 162 * NOTE: Enable CONFIG_CMD_JFFS2 for JFFS2 support. 163 */ 164 165/* 166 * JFFS2 partitions 167 */ 168/* No command line, one static partition, whole device */ 169/* 170#undef CONFIG_CMD_MTDPARTS 171#define CONFIG_JFFS2_DEV "nor0" 172#define CONFIG_JFFS2_PART_SIZE 0xFFFFFFFF 173#define CONFIG_JFFS2_PART_OFFSET 0x00050000 174*/ 175 176/* mtdparts command line support */ 177/* Note: fake mtd_id used, no linux mtd map file */ 178#define CONFIG_CMD_MTDPARTS 179#define CONFIG_MTD_DEVICE /* needed for mtdparts commands */ 180#define CONFIG_FLASH_CFI_MTD 181#define MTDIDS_DEFAULT "nor0=mx1fs2-0" 182 183#ifdef BUS32BIT_VERSION 184#define MTDPARTS_DEFAULT "mtdparts=mx1fs2-0:2m@5m(part0),5m@9m(part1)" 185#else 186#define MTDPARTS_DEFAULT "mtdparts=mx1fs2-0:-@320k(jffs2)" 187#endif 188 189/* 190 * Environment setup. Definitions of monitor location and size with 191 * definition of environment setup ends up in 2 possibilities. 192 * 1. Embeded environment - in u-boot code is space for environment 193 * 2. Environment is read from predefined sector of flash 194 * Right now we support 2. possiblity, but expecting no env placed 195 * on mentioned address right now. This also needs to provide whole 196 * sector for it - for us 256Kb is really waste of memory. U-boot uses 197 * default env. and until kernel parameters could be sent to kernel 198 * env. has no sense to us. 199 */ 200 201#define CONFIG_SYS_MONITOR_BASE 0x10000000 202#define CONFIG_SYS_MONITOR_LEN 0x20000 /* 128b ( 1 flash sector ) */ 203#define CONFIG_ENV_IS_IN_FLASH 1 204#define CONFIG_ENV_ADDR 0x10020000 /* absolute address for now */ 205#define CONFIG_ENV_SIZE 0x20000 206 207#define CONFIG_ENV_OVERWRITE 1 /* env is not writable now */ 208 209/* Setup CS4 and CS5 */ 210#define CONFIG_SYS_GIUS_A_VAL 0x0003fffe 211 212/* 213 * CSxU_VAL: 214 * 63| x x x x | x x x x | x x x x | x x x x | x x x x | x x x x | x x x x | x x x x|32 215 * |DTACK_SEL|0|BCD | BCS | PSZ|PME|SYNC| DOL | CNC| WSC | 0| WWS | EDC | 216 * 217 * CSxL_VAL: 218 * 31| x x x x | x x x x | x x x x | x x x x | x x x x | x x x x | x x x x | x x x x| 0 219 * | OEA | OEN | WEA | WEN | CSA |EBC| DSZ | 0|SP|0|WP| 0 0|PA|CSEN| 220 */ 221 222#define CONFIG_SYS_CS0U_VAL 0x00008C00 223#define CONFIG_SYS_CS0L_VAL 0x22222601 224#define CONFIG_SYS_CS1U_VAL 0x00008C00 225#define CONFIG_SYS_CS1L_VAL 0x22222301 226#define CONFIG_SYS_CS4U_VAL 0x00008C00 227#define CONFIG_SYS_CS4L_VAL 0x22222301 228#define CONFIG_SYS_CS5U_VAL 0x00008C00 229#define CONFIG_SYS_CS5L_VAL 0x22222301 230 231/* f_{dpll}=2*f{ref}*(MFI+MFN/(MFD+1))/(PD+1) 232 f_ref=16,777MHz 233 234 0x002a141f: 191,9944MHz 235 0x040b2007: 144MHz 236 0x042a141f: 96MHz 237 0x0811140d: 64MHz 238 0x040e200e: 150MHz 239 0x00321431: 200MHz 240 241 0x08001800: 64MHz mit 16er Quarz 242 0x04001800: 96MHz mit 16er Quarz 243 0x04002400: 144MHz mit 16er Quarz 244 245 31 |x x x x|x x x x|x x x x|x x x x|x x x x|x x x x|x x x x|x x x x| 0 246 |XXX|--PD---|-------MFD---------|XXX|--MFI--|-----MFN-----------| */ 247 248#define CONFIG_SYS_MPCTL0_VAL 0x07E723AD 249#define CONFIG_SYS_MPCTL1_VAL 0x00000040 250#define CONFIG_SYS_PCDR_VAL 0x00010005 251#define CONFIG_SYS_GPCR_VAL 0x00000FFB 252 253#define USE_16M_OSZI /* If you have one, you want to use it 254 The internal 32kHz oszillator jitters */ 255#ifdef USE_16M_OSZI 256 257#define CONFIG_SYS_SPCTL0_VAL 0x04001401 258#define CONFIG_SYS_SPCTL1_VAL 0x0C000040 259#define CONFIG_SYS_CSCR_VAL 0x07030003 260#define CONFIG_SYS_CLK_FREQ 16780000 261#define CONFIG_SYSPLL_CLK_FREQ 16000000 262 263#else 264 265#define CONFIG_SYS_SPCTL0_VAL 0x07E716D1 266#define CONFIG_SYS_CSCR_VAL 0x06000003 267#define CONFIG_SYS_CLK_FREQ 16780000 268#define CONFIG_SYSPLL_CLK_FREQ 16780000 269 270#endif 271 272/* 273 * Well this has to be defined, but on the other hand it is used differently 274 * one may expect. For instance loadb command do not cares :-) 275 * So advice is - do not relay on this... 276 */ 277#define CONFIG_SYS_LOAD_ADDR 0x08400000 278 279#define CONFIG_SYS_FMCR_VAL 0x00000003 /* Reset Default */ 280 281/* Bit[0:3] contain PERCLK1DIV for UART 1 282 0x000b00b ->b<- -> 192MHz/12=16MHz 283 0x000b00b ->8<- -> 144MHz/09=16MHz 284 0x000b00b ->3<- -> 64MHz/4=16MHz */ 285 286#ifdef _CONFIG_UART1 287#define CONFIG_IMX_SERIAL 288#define CONFIG_IMX_SERIAL1 289#elif defined _CONFIG_UART2 290#define CONFIG_IMX_SERIAL 291#define CONFIG_IMX_SERIAL2 292#elif defined _CONFIG_UART3 | defined _CONFIG_UART4 293#define CONFIG_SYS_NS16550 294#define CONFIG_SYS_NS16550_SERIAL 295#define CONFIG_SYS_NS16550_CLK 3686400 296#define CONFIG_SYS_NS16550_REG_SIZE 1 297#define CONFIG_CONS_INDEX 1 298#ifdef _CONFIG_UART3 299#define CONFIG_SYS_NS16550_COM1 0x15000000 300#elif defined _CONFIG_UART4 301#define CONFIG_SYS_NS16550_COM1 0x16000000 302#endif 303#endif 304 305#endif /* __CONFIG_H */ 306