3 * Tolunay Orkun, Nextio Inc., torkun@nextio.com
5 * SPDX-License-Identifier: GPL-2.0+
9 * board/config.h - configuration options, board specific
16 * High Level Configuration Options
20 #define CONFIG_405GP 1 /* This is a PPC405GP CPU */
21 #define CONFIG_4xx 1 /* ...member of PPC4xx family */
22 #define CONFIG_CSB472 1 /* on a Cogent CSB472 board */
23 #define CONFIG_BOARD_EARLY_INIT_F 1 /* Call board_early_init_f() */
24 #define CONFIG_LAST_STAGE_INIT 1 /* Call last_stage_init() */
25 #define CONFIG_SYS_CLK_FREQ 25000000 /* external frequency to pll */
27 #define CONFIG_SYS_TEXT_BASE 0xFFFC0000
30 * OS Bootstrap configuration
35 #define CONFIG_BOOTDELAY -1 /* autoboot disabled */
37 #define CONFIG_BOOTDELAY 3 /* autoboot after X seconds */
40 #define CONFIG_ZERO_BOOTDELAY_CHECK /* check keypress when bootdelay = 0 */
43 #undef CONFIG_BOOTARGS
44 #define CONFIG_BOOTCOMMAND \
45 "setenv bootargs console=ttyS0,38400 debug " \
46 "root=/dev/ram rw ramdisk_size=4096 " \
47 "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}:${hostname}::off; " \
48 "bootm ff800000 ff900000"
52 #undef CONFIG_BOOTARGS
53 #define CONFIG_BOOTCOMMAND \
55 "setenv bootargs console=ttyS0,38400 debug " \
56 "root=/dev/nfs rw nfsroot=${serverip}:${rootpath} " \
57 "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}:${hostname}::off; " \
64 #define CONFIG_BOOTP_SUBNETMASK
65 #define CONFIG_BOOTP_GATEWAY
66 #define CONFIG_BOOTP_HOSTNAME
67 #define CONFIG_BOOTP_BOOTPATH
68 #define CONFIG_BOOTP_BOOTFILESIZE
69 #define CONFIG_BOOTP_DNS2
73 * Command line configuration.
75 #include <config_cmd_default.h>
77 #define CONFIG_CMD_ASKENV
78 #define CONFIG_CMD_BEDBUG
79 #define CONFIG_CMD_ELF
80 #define CONFIG_CMD_IRQ
81 #define CONFIG_CMD_I2C
82 #define CONFIG_CMD_PCI
83 #define CONFIG_CMD_DATE
84 #define CONFIG_CMD_MII
85 #define CONFIG_CMD_PING
86 #define CONFIG_CMD_DHCP
89 * Serial download configuration
92 #define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
93 #define CONFIG_SYS_LOADS_BAUD_CHANGE 1 /* allow baudrate change */
99 #if defined(CONFIG_CMD_KGDB)
100 #define CONFIG_KGDB_BAUDRATE 230400 /* speed to run kgdb serial port */
101 #define CONFIG_KGDB_SER_INDEX 2 /* which serial port to use */
105 * Miscellaneous configurable options
108 #undef CONFIG_SYS_HUSH_PARSER /* use "hush" command parser */
110 #define CONFIG_SYS_LONGHELP /* undef to save memory */
111 #if defined(CONFIG_CMD_KGDB)
112 #define CONFIG_SYS_CBSIZE 1024 /* Console I/O Buffer Size */
114 #define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */
116 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */
117 #define CONFIG_SYS_MAXARGS 16 /* max number of command args */
118 #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size */
120 #define CONFIG_SYS_MEMTEST_START 0x0400000 /* memtest works on */
121 #define CONFIG_SYS_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */
123 #define CONFIG_SYS_EXTBDINFO 1 /* To use extended board_info (bd_t) */
124 #define CONFIG_SYS_LOAD_ADDR 0x100000 /* default load address */
127 * For booting Linux, the board info and command line data
128 * have to be in the first 8 MB of memory, since this is
129 * the maximum mapped by the Linux kernel during initialization.
131 #define CONFIG_SYS_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
134 * watchdog configuration
137 #undef CONFIG_WATCHDOG /* watchdog disabled */
143 #define CONFIG_CONS_INDEX 1 /* Use UART0 */
144 #define CONFIG_SYS_NS16550
145 #define CONFIG_SYS_NS16550_SERIAL
146 #define CONFIG_SYS_NS16550_REG_SIZE 1
147 #define CONFIG_SYS_NS16550_CLK get_serial_clock()
149 #undef CONFIG_SYS_EXT_SERIAL_CLOCK /* use internal serial clock */
150 #define CONFIG_SYS_BASE_BAUD 691200
151 #define CONFIG_BAUDRATE 38400 /* Default baud rate */
152 #define CONFIG_SYS_BAUDRATE_TABLE \
153 { 300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200, 230400 }
159 #define CONFIG_SYS_I2C
160 #define CONFIG_SYS_I2C_PPC4XX
161 #define CONFIG_SYS_I2C_PPC4XX_CH0
162 #define CONFIG_SYS_I2C_PPC4XX_SPEED_0 100000
163 #define CONFIG_SYS_I2C_PPC4XX_SLAVE_0 0x7F /* I2C slave address */
166 * MII PHY configuration
169 #define CONFIG_PPC4xx_EMAC
170 #define CONFIG_MII 1 /* MII PHY management */
171 #define CONFIG_PHY_ADDR 0 /* PHY address */
172 #define CONFIG_PHY_CMD_DELAY 40 /* PHY COMMAND delay */
173 /* 32usec min. for LXT971A */
174 #define CONFIG_PHY_RESET_DELAY 300 /* PHY RESET recovery delay */
179 * Note that DS1307 RTC is limited to 100Khz I2C bus.
182 #define CONFIG_RTC_DS1307 /* Use Dallas 1307 RTC */
188 #define CONFIG_PCI /* include pci support */
189 #define CONFIG_PCI_INDIRECT_BRIDGE /* indirect PCI bridge support */
190 #define PCI_HOST_ADAPTER 0 /* configure ar pci adapter */
191 #define PCI_HOST_FORCE 1 /* configure as pci host */
192 #define PCI_HOST_AUTO 2 /* detected via arbiter enable */
194 #define CONFIG_PCI_HOST PCI_HOST_FORCE /* select pci host function */
195 #define CONFIG_PCI_PNP /* do pci plug-and-play */
196 /* resource configuration */
197 #undef CONFIG_PCI_SCAN_SHOW /* print pci devices @ startup */
198 #define CONFIG_PCI_BOOTDELAY 0 /* enable pci bootdelay variable*/
200 #define CONFIG_SYS_PCI_SUBSYS_VENDORID 0x0000 /* PCI Vendor ID: to-do!!! */
201 #define CONFIG_SYS_PCI_SUBSYS_DEVICEID 0x0000 /* PCI Device ID: to-do!!! */
202 #define CONFIG_SYS_PCI_PTM1LA 0x00000000 /* point to sdram */
203 #define CONFIG_SYS_PCI_PTM1MS 0x80000001 /* 2GB, enable hard-wired to 1 */
204 #define CONFIG_SYS_PCI_PTM1PCI 0x00000000 /* Host: use this pci address */
205 #define CONFIG_SYS_PCI_PTM2LA 0x00000000 /* disabled */
206 #define CONFIG_SYS_PCI_PTM2MS 0x00000000 /* disabled */
207 #define CONFIG_SYS_PCI_PTM2PCI 0x04000000 /* Host: use this pci address */
213 #undef CONFIG_IDE_PCMCIA /* no pcmcia interface required */
214 #undef CONFIG_IDE_LED /* no led for ide supported */
215 #undef CONFIG_IDE_RESET /* no reset for ide supported */
218 * Environment configuration
221 #define CONFIG_ENV_IS_IN_FLASH 1 /* environment is in FLASH */
222 #undef CONFIG_ENV_IS_IN_NVRAM
223 #undef CONFIG_ENV_IS_IN_EEPROM
226 * General Memory organization
228 * Start addresses for the final memory configuration
229 * (Set up by the startup code)
230 * Please note that CONFIG_SYS_SDRAM_BASE _must_ start at 0
232 #define CONFIG_SYS_SDRAM_BASE 0x00000000
233 #define CONFIG_SYS_FLASH_BASE 0xFF800000
234 #define CONFIG_SYS_FLASH_SIZE 0x00800000
235 #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_TEXT_BASE
236 #define CONFIG_SYS_MONITOR_LEN (256 * 1024) /* Reserve 256 KB for Monitor */
237 #define CONFIG_SYS_MALLOC_LEN (128 * 1024) /* Reserve 128 KB for malloc() */
239 #if CONFIG_SYS_MONITOR_BASE < CONFIG_SYS_FLASH_BASE
240 #define CONFIG_SYS_RAMSTART
243 #if defined(CONFIG_ENV_IS_IN_FLASH)
244 #define CONFIG_ENV_IN_OWN_SECTOR 1 /* Give Environment own sector */
245 #define CONFIG_ENV_ADDR 0xFFF00000 /* Address of Environment Sector */
246 #define CONFIG_ENV_SIZE 0x00001000 /* Size of Environment */
247 #define CONFIG_ENV_SECT_SIZE 0x00040000 /* Size of Environment Sector */
251 * FLASH Device configuration
254 #define CONFIG_SYS_FLASH_CFI 1 /* flash is CFI conformant */
255 #define CONFIG_FLASH_CFI_DRIVER 1 /* use common cfi driver */
256 #define CONFIG_SYS_FLASH_USE_BUFFER_WRITE 1 /* use buffered writes (20x faster) */
257 #define CONFIG_SYS_MAX_FLASH_BANKS 1 /* max # of memory banks */
258 #define CONFIG_SYS_FLASH_INCREMENT 0 /* there is only one bank */
259 #define CONFIG_SYS_MAX_FLASH_SECT 64 /* max # of sectors on one chip */
260 #define CONFIG_SYS_FLASH_PROTECTION 1 /* hardware flash protection */
261 #define CONFIG_SYS_FLASH_BANKS_LIST { CONFIG_SYS_FLASH_BASE }
264 * On Chip Memory location/size
267 #define CONFIG_SYS_OCM_DATA_ADDR 0xF8000000
268 #define CONFIG_SYS_OCM_DATA_SIZE 0x1000
271 * Global info and initial stack
274 #define CONFIG_SYS_INIT_RAM_ADDR CONFIG_SYS_OCM_DATA_ADDR /* inside of on-chip SRAM */
275 #define CONFIG_SYS_INIT_RAM_SIZE CONFIG_SYS_OCM_DATA_SIZE /* Size of used area in RAM */
276 #define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
277 #define CONFIG_SYS_INIT_SP_OFFSET CONFIG_SYS_GBL_DATA_OFFSET
280 * Miscellaneous board specific definitions
283 #define CONFIG_I2CFAST 1 /* enable "i2cfast" env. setting */
285 #endif /* __CONFIG_H */