5 * Configuation settings for the PDNB3 board.
7 * See file CREDITS for list of people who contributed to this
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.
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.
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,
30 * High Level Configuration Options
33 #define CONFIG_IXP425 1 /* This is an IXP425 CPU */
34 #define CONFIG_PDNB3 1 /* on an PDNB3 board */
36 #define CONFIG_DISPLAY_CPUINFO 1 /* display cpu info (and speed) */
37 #define CONFIG_DISPLAY_BOARDINFO 1 /* display board info */
42 #define CONFIG_IXP4XX_NPE 1 /* include IXP4xx NPE support */
43 #define CONFIG_NET_MULTI 1
44 #define CONFIG_PHY_ADDR 16 /* NPE0 PHY address */
45 #define CONFIG_HAS_ETH1
46 #define CONFIG_PHY1_ADDR 18 /* NPE1 PHY address */
47 #define CONFIG_MII 1 /* MII PHY management */
48 #define CFG_RX_ETH_BUFFER 16 /* Number of ethernet rx buffers & descriptors */
51 * Misc configuration options
53 #define CONFIG_USE_IRQ 1 /* we need IRQ stuff for timer */
55 #define CONFIG_BOOTCOUNT_LIMIT /* support for bootcount limit */
56 #define CFG_BOOTCOUNT_ADDR 0x60003000 /* inside qmrg sram */
58 #define CONFIG_CMDLINE_TAG 1 /* enable passing of ATAGs */
59 #define CONFIG_SETUP_MEMORY_TAGS 1
60 #define CONFIG_INITRD_TAG 1
63 * Size of malloc() pool
65 #define CFG_MALLOC_LEN (1 << 20)
66 #define CFG_GBL_DATA_SIZE 128 /* size in bytes reserved for initial data */
68 /* allow to overwrite serial and ethaddr */
69 #define CONFIG_ENV_OVERWRITE
71 #define CONFIG_BAUDRATE 115200
72 #define CFG_IXP425_CONSOLE IXP425_UART1 /* we use UART1 for console */
74 #if defined(CONFIG_SCPU)
75 #define CMD_NAND_ADD 0
77 #define CMD_NAND_ADD CFG_CMD_NAND
80 #define CONFIG_COMMANDS (CONFIG_CMD_DFL | \
90 /* This must be included AFTER the definition of CONFIG_COMMANDS (if any) */
91 /* These are u-boot generic parameters */
92 #include <cmd_confdefs.h>
94 #define CONFIG_ZERO_BOOTDELAY_CHECK /* check for keypress on bootdelay==0 */
95 #define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
98 * Miscellaneous configurable options
100 #define CFG_LONGHELP /* undef to save memory */
101 #define CFG_PROMPT "=> " /* Monitor Command Prompt */
102 #define CFG_CBSIZE 256 /* Console I/O Buffer Size */
103 #define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
104 #define CFG_MAXARGS 16 /* max number of command args */
105 #define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
107 #define CFG_MEMTEST_START 0x00400000 /* memtest works on */
108 #define CFG_MEMTEST_END 0x00800000 /* 4 ... 8 MB in DRAM */
109 #define CFG_LOAD_ADDR 0x00010000 /* default load address */
111 #undef CFG_CLKS_IN_HZ /* everything, incl board info, in Hz */
112 #define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */
113 /* valid baudrates */
114 #define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
119 * The stack sizes are set up in start.S using the settings below
121 #define CONFIG_STACKSIZE (128*1024) /* regular stack */
122 #ifdef CONFIG_USE_IRQ
123 #define CONFIG_STACKSIZE_IRQ (4*1024) /* IRQ stack */
124 #define CONFIG_STACKSIZE_FIQ (4*1024) /* FIQ stack */
127 /***************************************************************
128 * Platform/Board specific defines start here.
129 ***************************************************************/
131 /*-----------------------------------------------------------------------
132 * Default configuration (environment varibles...)
133 *----------------------------------------------------------------------*/
134 #define CONFIG_PREBOOT "echo;" \
135 "echo Type \"run flash_nfs\" to mount root filesystem over NFS;" \
138 #undef CONFIG_BOOTARGS
140 #define CONFIG_EXTRA_ENV_SETTINGS \
143 "nfsargs=setenv bootargs root=/dev/nfs rw " \
144 "nfsroot=${serverip}:${rootpath}\0" \
145 "ramargs=setenv bootargs root=/dev/ram rw\0" \
146 "addip=setenv bootargs ${bootargs} ethaddr=${ethaddr} " \
147 "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}" \
148 ":${hostname}:${netdev}:off panic=1\0" \
149 "addtty=setenv bootargs ${bootargs} console=ttyS0,${baudrate} " \
150 "mtdparts=${mtdparts}\0" \
151 "flash_nfs=run nfsargs addip addtty;" \
152 "bootm ${kernel_addr}\0" \
153 "flash_self=run ramargs addip addtty;" \
154 "bootm ${kernel_addr} ${ramdisk_addr}\0" \
155 "net_nfs=tftp 200000 ${bootfile};run nfsargs addip addtty;" \
157 "rootpath=/opt/buildroot\0" \
158 "bootfile=/tftpboot/netbox/uImage\0" \
159 "kernel_addr=50080000\0" \
160 "ramdisk_addr=50200000\0" \
161 "load=tftp 100000 /tftpboot/netbox/u-boot.bin\0" \
162 "update=protect off 50000000 5007dfff;era 50000000 5007dfff;" \
163 "cp.b 100000 50000000 ${filesize};" \
164 "setenv filesize;saveenv\0" \
165 "upd=run load;run update\0" \
166 "ipaddr=10.0.0.233\0" \
167 "serverip=10.0.0.152\0" \
168 "netmask=255.255.0.0\0" \
169 "ethaddr=c6:6f:13:36:f3:81\0" \
170 "eth1addr=c6:6f:13:36:f3:82\0" \
171 "mtdparts=IXP4XX-Flash.0:504k@0(uboot),4k@504k(env)," \
174 #define CONFIG_BOOTCOMMAND "run net_nfs"
177 * Physical Memory Map
179 #define CONFIG_NR_DRAM_BANKS 1 /* we have 1 bank of DRAM */
180 #define PHYS_SDRAM_1 0x00000000 /* SDRAM Bank #1 */
181 #define PHYS_SDRAM_1_SIZE 0x02000000 /* 32 MB */
183 #define CFG_FLASH_BASE 0x50000000
184 #define CFG_MONITOR_BASE CFG_FLASH_BASE
185 #if defined(CONFIG_SCPU)
186 #define CFG_MONITOR_LEN (384 << 10) /* Reserve 512 kB for Monitor */
188 #define CFG_MONITOR_LEN (504 << 10) /* Reserve 512 kB for Monitor */
192 * Expansion bus settings
194 #if defined(CONFIG_SCPU)
195 #define CFG_EXP_CS0 0x94d23C42 /* 8bit, max size */
197 #define CFG_EXP_CS0 0x94913C43 /* 8bit, max size */
199 #define CFG_EXP_CS1 0x85000043 /* 8bit, 512bytes */
204 #define CFG_SDR_CONFIG 0x18
205 #define CFG_SDR_MODE_CONFIG 0x1
206 #define CFG_SDRAM_REFRESH_CNT 0x81a
209 * FLASH and environment organization
211 #if defined(CONFIG_SCPU)
212 #define CFG_FLASH_CFI /* The flash is CFI compatible */
213 #define CFG_FLASH_CFI_DRIVER /* Use common CFI driver */
214 #define CFG_FLASH_CFI_WIDTH FLASH_CFI_16BIT /* no byte writes on IXP4xx */
217 #define FLASH_BASE0_PRELIM CFG_FLASH_BASE /* FLASH bank #0 */
219 #define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */
220 #define CFG_MAX_FLASH_SECT 256 /* max number of sectors on one chip */
222 #define CFG_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
223 #define CFG_FLASH_WRITE_TOUT 1000 /* Timeout for Flash Write (in ms) */
225 #define CFG_FLASH_WORD_SIZE unsigned char /* flash word size (width) */
226 #define CFG_FLASH_ADDR0 0x5555 /* 1st address for flash config cycles */
227 #define CFG_FLASH_ADDR1 0x2AAA /* 2nd address for flash config cycles */
229 * The following defines are added for buggy IOP480 byte interface.
230 * All other boards should use the standard values (CPCI405 etc.)
232 #define CFG_FLASH_READ0 0x0000 /* 0 is standard */
233 #define CFG_FLASH_READ1 0x0001 /* 1 is standard */
234 #define CFG_FLASH_READ2 0x0002 /* 2 is standard */
236 #define CFG_FLASH_EMPTY_INFO /* print 'E' for empty sector on flinfo */
238 #define CFG_ENV_IS_IN_FLASH 1
240 #if defined(CONFIG_SCPU)
241 #define CFG_ENV_SECT_SIZE 0x20000 /* size of one complete sector */
242 #define CFG_ENV_SIZE 0x4000 /* Total Size of Environment Sector */
244 #define CFG_ENV_SECT_SIZE 0x1000 /* size of one complete sector */
245 #define CFG_ENV_SIZE 0x1000 /* Total Size of Environment Sector */
247 #define CFG_ENV_ADDR (CFG_FLASH_BASE + CFG_MONITOR_LEN)
249 /* Address and size of Redundant Environment Sector */
250 #define CFG_ENV_ADDR_REDUND (CFG_ENV_ADDR + CFG_ENV_SECT_SIZE)
251 #define CFG_ENV_SIZE_REDUND (CFG_ENV_SIZE)
253 #if !defined(CONFIG_SCPU)
257 #define CFG_MAX_NAND_DEVICE 1
258 #define NAND_MAX_CHIPS 1
259 #define CFG_NAND_BASE 0x51000000 /* NAND FLASH Base Address */
266 /* FPGA program pin configuration */
267 #define CFG_GPIO_PRG 12 /* FPGA program pin (cpu output)*/
268 #define CFG_GPIO_CLK 10 /* FPGA clk pin (cpu output) */
269 #define CFG_GPIO_DATA 14 /* FPGA data pin (cpu output) */
270 #define CFG_GPIO_INIT 13 /* FPGA init pin (cpu input) */
271 #define CFG_GPIO_DONE 11 /* FPGA done pin (cpu input) */
274 #define CFG_GPIO_RESTORE_INT 0
275 #define CFG_GPIO_RESTART_INT 1
276 #define CFG_GPIO_SYS_RUNNING 2
277 #define CFG_GPIO_PCI_INTA 3
278 #define CFG_GPIO_PCI_INTB 4
279 #define CFG_GPIO_I2C_SCL 6
280 #define CFG_GPIO_I2C_SDA 7
281 #define CFG_GPIO_FPGA_RESET 9
282 #define CFG_GPIO_CLK_33M 15
288 /* enable I2C and select the hardware/software driver */
289 #undef CONFIG_HARD_I2C /* I2C with hardware support */
290 #define CONFIG_SOFT_I2C 1 /* I2C bit-banged */
292 #define CFG_I2C_SPEED 83000 /* 83 kHz is supposed to work */
293 #define CFG_I2C_SLAVE 0xFE
296 * Software (bit-bang) I2C driver configuration
298 #define PB_SCL (1 << CFG_GPIO_I2C_SCL)
299 #define PB_SDA (1 << CFG_GPIO_I2C_SDA)
301 #define I2C_INIT GPIO_OUTPUT_ENABLE(CFG_GPIO_I2C_SCL)
302 #define I2C_ACTIVE GPIO_OUTPUT_ENABLE(CFG_GPIO_I2C_SDA)
303 #define I2C_TRISTATE GPIO_OUTPUT_DISABLE(CFG_GPIO_I2C_SDA)
304 #define I2C_READ ((*IXP425_GPIO_GPINR & PB_SDA) != 0)
305 #define I2C_SDA(bit) if (bit) GPIO_OUTPUT_SET(CFG_GPIO_I2C_SDA); \
306 else GPIO_OUTPUT_CLEAR(CFG_GPIO_I2C_SDA)
307 #define I2C_SCL(bit) if (bit) GPIO_OUTPUT_SET(CFG_GPIO_I2C_SCL); \
308 else GPIO_OUTPUT_CLEAR(CFG_GPIO_I2C_SCL)
309 #define I2C_DELAY udelay(3) /* 1/4 I2C clock duration */
314 #if 0 /* test-only */
315 #define CONFIG_RTC_DS1340 1
316 #define CFG_I2C_RTC_ADDR 0x68
318 /* M41T11 Serial Access Timekeeper(R) SRAM */
319 #define CONFIG_RTC_M41T11 1
320 #define CFG_I2C_RTC_ADDR 0x68
321 #define CFG_M41T11_BASE_YEAR 1900 /* play along with the linux driver */
325 * Spartan3 FPGA configuration support
327 #define CFG_FPGA_MAX_SIZE 700*1024 /* 700kByte for XC3S500E */
329 #define CFG_FPGA_PRG (1 << CFG_GPIO_PRG) /* FPGA program pin (cpu output)*/
330 #define CFG_FPGA_CLK (1 << CFG_GPIO_CLK) /* FPGA clk pin (cpu output) */
331 #define CFG_FPGA_DATA (1 << CFG_GPIO_DATA) /* FPGA data pin (cpu output) */
332 #define CFG_FPGA_INIT (1 << CFG_GPIO_INIT) /* FPGA init pin (cpu input) */
333 #define CFG_FPGA_DONE (1 << CFG_GPIO_DONE) /* FPGA done pin (cpu input) */
336 * Cache Configuration
338 #define CFG_CACHELINE_SIZE 32
340 #endif /* __CONFIG_H */