2 * Copyright (C) 2004 Sascha Hauer, Pengutronix
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.
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.
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,
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 */
29 * Select serial console configuration
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 */
41 #define CONFIG_BOOTP_BOOTFILESIZE
42 #define CONFIG_BOOTP_BOOTPATH
43 #define CONFIG_BOOTP_GATEWAY
44 #define CONFIG_BOOTP_HOSTNAME
48 * Command line configuration.
50 #include <config_cmd_default.h>
52 #define CONFIG_CMD_JFFS2
54 #undef CONFIG_CMD_LOADS
55 #undef CONFIG_CMD_CONSOLE
56 #undef CONFIG_CMD_AUTOSCRIPT
58 #undef CONFIG_CMD_PING
59 #undef CONFIG_CMD_DHCP
63 * Boot options. Setting delay to -1 stops autostart count down.
65 #define CONFIG_BOOTDELAY 10
66 #define CONFIG_BOOTARGS "root=/dev/mtdblock4 console=ttySMX0,115200n8 rootfstype=jffs2"
67 #define CONFIG_BOOTCOMMAND "bootm 10080000"
68 #define CONFIG_SHOW_BOOT_PROGRESS
71 * General options for u-boot. Modify to save memory foot print
73 #define CFG_LONGHELP /* undef saves memory */
74 #define CFG_PROMPT "mx1fs2> " /* prompt string */
75 #define CFG_CBSIZE 256 /* console I/O buffer */
76 #define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* print buffer size */
77 #define CFG_MAXARGS 16 /* max command args */
78 #define CFG_BARGSIZE CFG_CBSIZE /* boot args buf size */
80 #define CFG_MEMTEST_START 0x08100000 /* memtest test area */
81 #define CFG_MEMTEST_END 0x08F00000
83 #undef CFG_CLKS_IN_HZ /* use HZ for freq. display */
85 #define CFG_HZ 3686400 /* incrementer freq: 3.6864 MHz */
86 #define CFG_CPUSPEED 0x141 /* core clock - register value */
88 #define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
89 #define CONFIG_BAUDRATE 115200
91 * Definitions related to passing arguments to kernel.
93 #define CONFIG_CMDLINE_TAG 1 /* send commandline to Kernel */
94 #define CONFIG_SETUP_MEMORY_TAGS 1 /* send memory definition to kernel */
95 #define CONFIG_INITRD_TAG 1 /* send initrd params */
96 #undef CONFIG_VFD /* do not send framebuffer setup */
99 * Malloc pool need to host env + 128 Kb reserve for other allocations.
101 #define CFG_MALLOC_LEN (CFG_ENV_SIZE + (128<<10) )
104 #define CFG_GBL_DATA_SIZE 128 /* size in bytes reserved for initial data */
106 #define CONFIG_STACKSIZE (120<<10) /* stack size */
108 #ifdef CONFIG_USE_IRQ
109 #define CONFIG_STACKSIZE_IRQ (4<<10) /* IRQ stack */
110 #define CONFIG_STACKSIZE_FIQ (4<<10) /* FIQ stack */
113 /* SDRAM Setup Values
114 * 0x910a8300 Precharge Command CAS 3
115 * 0x910a8200 Precharge Command CAS 2
117 * 0xa10a8300 AutoRefresh Command CAS 3
118 * 0xa10a8200 Set AutoRefresh Command CAS 2
120 #define PRECHARGE_CMD 0x910a8300
121 #define AUTOREFRESH_CMD 0xa10a8300
123 #define BUS32BIT_VERSION
127 #define CONFIG_NR_DRAM_BANKS 1 /* we have 1 bank of SDRAM */
128 #define MX1FS2_SDRAM_1 0x08000000 /* SDRAM bank #1 */
129 #ifdef BUS32BIT_VERSION
130 #define MX1FS2_SDRAM_1_SIZE (0x04000000 - 0x100000) /* 64 MB - 1M Framebuffer */
132 #define MX1FS2_SDRAM_1_SIZE (0x01FC0000 - 0x100000) /* 32 MB - 1M Framebuffer */
135 * Flash Controller settings
138 #define CFG_MAX_FLASH_BANKS 1 /* FLASH banks count (not chip count)*/
139 #define CFG_MAX_FLASH_SECT 256 /* number of sector in FLASH bank */
141 #ifdef BUS32BIT_VERSION
142 #define MX1FS2_FLASH_BUS_WIDTH 4 /* we use 32 bit FLASH memory... */
143 #define MX1FS2_FLASH_INTERLEAVE 2 /* ... made of 2 chips */
144 #define MX1FS2_FLASH_BANK_SIZE 0x02000000 /* size of one flash bank*/
145 #define MX1FS2_FLASH_SECT_SIZE 0x00020000 /* size of erase sector */
147 #define MX1FS2_FLASH_BUS_WIDTH 2 /* we use 16 bit FLASH memory... */
148 #define MX1FS2_FLASH_INTERLEAVE 1 /* ... made of 1 chip */
149 #define MX1FS2_FLASH_BANK_SIZE 0x01000000 /* size of one flash bank*/
150 #define MX1FS2_FLASH_SECT_SIZE 0x00010000 /* size of erase sector */
152 #define MX1FS2_FLASH_BASE 0x10000000 /* location of flash memory */
153 #define MX1FS2_FLASH_UNLOCK 1 /* perform hw unlock first */
155 /* This should be defined if CFI FLASH device is present. Actually benefit
156 is not so clear to me. In other words we can provide more informations
157 to user, but this expects more complex flash handling we do not provide
161 #define CFG_FLASH_ERASE_TOUT (2*CFG_HZ) /* timeout for Erase operation */
162 #define CFG_FLASH_WRITE_TOUT (2*CFG_HZ) /* timeout for Write operation */
164 #define CFG_FLASH_BASE MX1FS2_FLASH_BASE
167 * This is setting for JFFS2 support in u-boot.
168 * Right now there is no gain for user, but later on booting kernel might be
169 * possible. Consider using XIP kernel running from flash to save RAM
171 * NOTE: Enable CONFIG_CMD_JFFS2 for JFFS2 support.
177 /* No command line, one static partition, whole device */
179 #undef CONFIG_JFFS2_CMDLINE
180 #define CONFIG_JFFS2_DEV "nor0"
181 #define CONFIG_JFFS2_PART_SIZE 0xFFFFFFFF
182 #define CONFIG_JFFS2_PART_OFFSET 0x00050000
185 /* mtdparts command line support */
186 /* Note: fake mtd_id used, no linux mtd map file */
187 #define CONFIG_JFFS2_CMDLINE
188 #define MTDIDS_DEFAULT "nor0=mx1fs2-0"
190 #ifdef BUS32BIT_VERSION
191 #define MTDPARTS_DEFAULT "mtdparts=mx1fs2-0:2m@5m(part0),5m@9m(part1)"
193 #define MTDPARTS_DEFAULT "mtdparts=mx1fs2-0:-@320k(jffs2)"
197 * Environment setup. Definitions of monitor location and size with
198 * definition of environment setup ends up in 2 possibilities.
199 * 1. Embeded environment - in u-boot code is space for environment
200 * 2. Environment is read from predefined sector of flash
201 * Right now we support 2. possiblity, but expecting no env placed
202 * on mentioned address right now. This also needs to provide whole
203 * sector for it - for us 256Kb is really waste of memory. U-boot uses
204 * default env. and until kernel parameters could be sent to kernel
205 * env. has no sense to us.
208 #define CFG_MONITOR_BASE 0x10000000
209 #define CFG_MONITOR_LEN 0x20000 /* 128b ( 1 flash sector ) */
210 #define CFG_ENV_IS_IN_FLASH 1
211 #define CFG_ENV_ADDR 0x10020000 /* absolute address for now */
212 #define CFG_ENV_SIZE 0x20000
214 #define CONFIG_ENV_OVERWRITE 1 /* env is not writable now */
216 /* Setup CS4 and CS5 */
217 #define CFG_GIUS_A_VAL 0x0003fffe
221 * 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
222 * |DTACK_SEL|0|BCD | BCS | PSZ|PME|SYNC| DOL | CNC| WSC | 0| WWS | EDC |
225 * 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
226 * | OEA | OEN | WEA | WEN | CSA |EBC| DSZ | 0|SP|0|WP| 0 0|PA|CSEN|
229 #define CFG_CS0U_VAL 0x00008C00
230 #define CFG_CS0L_VAL 0x22222601
231 #define CFG_CS1U_VAL 0x00008C00
232 #define CFG_CS1L_VAL 0x22222301
233 #define CFG_CS4U_VAL 0x00008C00
234 #define CFG_CS4L_VAL 0x22222301
235 #define CFG_CS5U_VAL 0x00008C00
236 #define CFG_CS5L_VAL 0x22222301
238 /* f_{dpll}=2*f{ref}*(MFI+MFN/(MFD+1))/(PD+1)
241 0x002a141f: 191,9944MHz
248 0x08001800: 64MHz mit 16er Quarz
249 0x04001800: 96MHz mit 16er Quarz
250 0x04002400: 144MHz mit 16er Quarz
252 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
253 |XXX|--PD---|-------MFD---------|XXX|--MFI--|-----MFN-----------| */
255 #define CFG_MPCTL0_VAL 0x07E723AD
256 #define CFG_MPCTL1_VAL 0x00000040
257 #define CFG_PCDR_VAL 0x00010005
258 #define CFG_GPCR_VAL 0x00000FFB
260 #define USE_16M_OSZI /* If you have one, you want to use it
261 The internal 32kHz oszillator jitters */
264 #define CFG_SPCTL0_VAL 0x04001401
265 #define CFG_SPCTL1_VAL 0x0C000040
266 #define CFG_CSCR_VAL 0x07030003
267 #define CONFIG_SYS_CLK_FREQ 16780000
268 #define CONFIG_SYSPLL_CLK_FREQ 16000000
272 #define CFG_SPCTL0_VAL 0x07E716D1
273 #define CFG_CSCR_VAL 0x06000003
274 #define CONFIG_SYS_CLK_FREQ 16780000
275 #define CONFIG_SYSPLL_CLK_FREQ 16780000
280 * Well this has to be defined, but on the other hand it is used differently
281 * one may expect. For instance loadb command do not cares :-)
282 * So advice is - do not relay on this...
284 #define CFG_LOAD_ADDR 0x08400000
286 #define CFG_FMCR_VAL 0x00000003 /* Reset Default */
288 /* Bit[0:3] contain PERCLK1DIV for UART 1
289 0x000b00b ->b<- -> 192MHz/12=16MHz
290 0x000b00b ->8<- -> 144MHz/09=16MHz
291 0x000b00b ->3<- -> 64MHz/4=16MHz */
294 #define CONFIG_IMX_SERIAL1
295 #elif defined _CONFIG_UART2
296 #define CONFIG_IMX_SERIAL2
297 #elif defined _CONFIG_UART3 | defined _CONFIG_UART4
298 #define CONFIG_IMX_SERIAL_NONE
300 #define CFG_NS16550_SERIAL
301 #define CFG_NS16550_CLK 3686400
302 #define CFG_NS16550_REG_SIZE 1
303 #define CONFIG_CONS_INDEX 1
305 #define CFG_NS16550_COM1 0x15000000
306 #elif defined _CONFIG_UART4
307 #define CFG_NS16550_COM1 0x16000000
311 #endif /* __CONFIG_H */