3 * Reinhard Meyer, EMK Elektronik, reinhard.meyer@emk-elektronik.de
5 * Configuation settings for the TOP9000 CPU module with AT91SAM9XE.
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,
26 * top9000 with at91sam9xe256 or at91sam9xe512
28 * Initial Bootloader is in embedded flash.
29 * Vital Product Data, U-Boot Environment are in I2C-EEPROM.
30 * U-Boot is in embedded flash, a backup U-Boot can be in NAND flash.
31 * kernel and file system are either in NAND flash or on a micro SD card.
32 * NAND flash is optional.
33 * I2C EEPROM is never optional.
34 * SPI FRAM is optional.
35 * SPI ENC28J60 is optional.
36 * 16 or 32 bit wide SDRAM.
41 /* SoC must be defined first, before hardware.h is included */
42 #define CONFIG_AT91SAM9XE
43 #include <asm/hardware.h>
46 * Warning: changing CONFIG_SYS_TEXT_BASE requires
47 * adapting the initial boot program.
49 #define CONFIG_SYS_TEXT_BASE 0x20000000 /* start of SDRAM */
51 /* Command line configuration */
52 #include <config_cmd_default.h>
53 #undef CONFIG_CMD_FPGA
54 #undef CONFIG_CMD_SETGETDCR
55 #undef CONFIG_CMD_XIMG
56 #define CONFIG_CMD_ASKENV
57 #define CONFIG_SYS_CBSIZE 256
58 #define CONFIG_SYS_MAXARGS 16
59 #define CONFIG_SYS_PBSIZE \
60 (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
61 #define CONFIG_SYS_PROMPT "TOP9000> "
62 #define CONFIG_SYS_LONGHELP
63 #define CONFIG_CMDLINE_EDITING
64 #define CONFIG_CMD_BDI
65 #define CONFIG_CMD_CACHE
67 /* ARM asynchronous clock */
68 #define CONFIG_SYS_AT91_SLOW_CLOCK 32768 /* slow clock xtal */
69 #define CONFIG_SYS_AT91_MAIN_CLOCK 18432000 /* main clock xtal */
70 #define CONFIG_SYS_HZ 1000
72 /* Misc CPU related */
73 #define CONFIG_ARCH_CPU_INIT
74 #undef CONFIG_USE_IRQ /* we don't need IRQ/FIQ stuff */
75 #define CONFIG_CMDLINE_TAG /* enable passing of ATAGs */
76 #define CONFIG_SETUP_MEMORY_TAGS
77 #define CONFIG_INITRD_TAG
78 #define CONFIG_SKIP_LOWLEVEL_INIT
79 #define CONFIG_BOARD_EARLY_INIT_F
80 #define CONFIG_DISPLAY_CPUINFO
81 #define CONFIG_AT91RESET_EXTRST /* assert external reset */
83 /* general purpose I/O */
84 #define CONFIG_ATMEL_LEGACY /* required until (g)pio is fixed */
85 #define CONFIG_AT91_GPIO
86 #define CONFIG_AT91_GPIO_PULLUP 1 /* keep pullups on peripheral pins */
89 #define CONFIG_ATMEL_USART
90 #define CONFIG_USART_BASE ATMEL_BASE_DBGU
91 #define CONFIG_USART_ID ATMEL_ID_SYS
92 #define CONFIG_BAUDRATE 115200
93 #define CONFIG_SYS_BAUDRATE_TABLE {115200 , 19200, 38400, 57600, 9600 }
97 #define CONFIG_GENERIC_MMC
98 #define CONFIG_GENERIC_ATMEL_MCI
99 #define CONFIG_SYS_MMC_CD_PIN AT91_PIN_PC9
100 #define CONFIG_CMD_MMC
104 #define CONFIG_SYS_PHY_ID 1
106 #define CONFIG_NET_RETRY_COUNT 20
108 /* real time clock */
109 #define CONFIG_RTC_AT91SAM9_RTT
110 #define CONFIG_CMD_DATE
112 #if defined(CONFIG_AT91SAM9XE)
114 * NOR flash - use embedded flash of SAM9XE256/512
115 * U-Boot will not fit into 128K !
116 * 2010.09 will not fit into 256K with all options enabled !
119 * 16kB 1st Bootloader
121 * the first sector (16kB) of EFLASH cannot be unprotected
122 * with u-boot commands
124 # define CONFIG_AT91_EFLASH
125 # define CONFIG_SYS_FLASH_BASE ATMEL_BASE_FLASH
126 # define CONFIG_SYS_MAX_FLASH_SECT 32
127 # define CONFIG_SYS_MAX_FLASH_BANKS 1
128 # define CONFIG_SYS_FLASH_PROTECTION
129 # define CONFIG_EFLASH_PROTSECTORS 1 /* protect first sector */
133 #define CONFIG_ATMEL_SPI
134 #define CONFIG_CMD_SPI
137 #define CONFIG_CMD_SF
138 #define CONFIG_ATMEL_SPI0 /* SPI used for FRAM is SPI0 */
139 #define FRAM_SPI_BUS 0
140 #define FRAM_CS_NUM 0
141 #define CONFIG_SPI_FLASH /* RAMTRON FRAM on SPI bus */
142 #define CONFIG_SPI_FRAM_RAMTRON
143 #define CONFIG_SF_DEFAULT_SPEED 1000000 /* be conservative here... */
144 #define CONFIG_SF_DEFAULT_MODE SPI_MODE_0
145 #define CONFIG_SPI_FRAM_RAMTRON_NON_JEDEC "FM25H20"
147 /* Microchip ENC28J60 (second LAN) */
148 #if defined(CONFIG_EVAL9000)
149 # define CONFIG_ENC28J60
150 # define CONFIG_ATMEL_SPI1 /* SPI used for ENC28J60 is SPI1 */
151 # define ENC_SPI_BUS 1
152 # define ENC_CS_NUM 0
153 # define ENC_SPI_CLOCK 1000000
154 #endif /* CONFIG_EVAL9000 */
157 * SDRAM: 1 bank, min 32, max 128 MB
158 * Initialized before u-boot gets started.
160 #define CONFIG_NR_DRAM_BANKS 1
161 #define CONFIG_SYS_SDRAM_BASE ATMEL_BASE_CS1
162 #define CONFIG_SYS_SDRAM_SIZE 0x08000000
163 #define CONFIG_SYS_MEMTEST_START CONFIG_SYS_SDRAM_BASE
164 #define CONFIG_SYS_MEMTEST_END (CONFIG_SYS_SDRAM_BASE + 0x01e00000)
165 #define CONFIG_SYS_LOAD_ADDR \
166 (CONFIG_SYS_SDRAM_BASE + 0x01000000)
168 * Initial stack pointer: 16k - GENERATED_GBL_DATA_SIZE in internal SRAM,
169 * leaving the correct space for initial global data structure above
170 * that address while providing maximum stack area below.
172 #define CONFIG_SYS_INIT_SP_ADDR \
173 (ATMEL_BASE_SRAM + 0x4000 - GENERATED_GBL_DATA_SIZE)
176 * NAND flash: 256 MB (optional)
179 * 640kB: u-boot (includes space for spare sectors, handled by
184 #define CONFIG_NAND_ATMEL
185 #define CONFIG_SYS_MAX_NAND_DEVICE 1
186 #define CONFIG_SYS_NAND_BASE ATMEL_BASE_CS3
187 #define CONFIG_SYS_NAND_DBW_8
188 #define CONFIG_SYS_NAND_MASK_ALE (1 << 21)
189 #define CONFIG_SYS_NAND_MASK_CLE (1 << 22)
190 #define CONFIG_SYS_NAND_ENABLE_PIN AT91_PIN_PC14
191 #define CONFIG_SYS_NAND_READY_PIN AT91_PIN_PC13
192 #define CONFIG_CMD_NAND
195 #define CONFIG_USB_ATMEL
196 #define CONFIG_USB_OHCI_NEW
197 #define CONFIG_DOS_PARTITION
198 #define CONFIG_SYS_USB_OHCI_CPU_INIT
199 #define CONFIG_SYS_USB_OHCI_REGS_BASE ATMEL_UHP_BASE
200 #define CONFIG_SYS_USB_OHCI_SLOT_NAME "top9000"
201 #define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS 2
202 #define CONFIG_USB_STORAGE
203 #define CONFIG_CMD_USB
205 /* I2C support must always be enabled */
206 #define CONFIG_SOFT_I2C
207 #define CONFIG_CMD_I2C
208 #define CONFIG_SYS_I2C_SPEED 400000
209 #define CONFIG_SYS_I2C_SLAVE 0x7F
210 #define CONFIG_I2C_MULTI_BUS
211 #define I2C0_PORT AT91_PIO_PORTA
214 #define I2C1_PORT AT91_PIO_PORTB
217 #define I2C_SOFT_DECLARATIONS void iic_init(void);\
223 #define I2C_INIT iic_init()
224 #define I2C_READ iic_read()
225 #define I2C_SDA(bit) iic_sda(bit)
226 #define I2C_SCL(bit) iic_scl(bit)
227 #define I2C_DELAY udelay(3)
228 /* EEPROM configuration */
229 #define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS 5
230 #define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS 5
231 #define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 2
232 #define CONFIG_SYS_EEPROM_SIZE 0x2000
233 #define CONFIG_SYS_I2C_EEPROM_ADDR 0x57
234 /* later: #define CONFIG_I2C_ENV_EEPROM_BUS 0 */
235 /* ENV is always in I2C-EEPROM */
236 #define CONFIG_ENV_IS_IN_EEPROM
237 #define CONFIG_ENV_OFFSET 0x1000
238 #define CONFIG_ENV_SIZE 0x0f00
240 #define CONFIG_SYS_I2C_FACT_ADDR 0x57
241 #define CONFIG_SYS_FACT_OFFSET 0x1F00
242 #define CONFIG_SYS_FACT_SIZE 0x0100
243 /* later: #define CONFIG_MISC_INIT_R */
244 /* define the next only if you want to allow users to enter VPD data */
245 #define CONFIG_SYS_FACT_ENTRY
247 extern void read_factory_r(void);
251 * Only interrupt autoboot if <space> is pressed. Otherwise, garbage
252 * data on the serial line may interrupt the boot sequence.
254 #define CONFIG_BOOTDELAY 1
255 #define CONFIG_AUTOBOOT
256 #define CONFIG_AUTOBOOT_KEYED
257 #define CONFIG_AUTOBOOT_PROMPT \
258 "Press SPACE to abort autoboot in %d seconds\n", bootdelay
259 #define CONFIG_AUTOBOOT_DELAY_STR "d"
260 #define CONFIG_AUTOBOOT_STOP_STR " "
263 * add filesystem commands if we have at least 1 storage
264 * media with filesystem
266 #if defined(CONFIG_NAND_ATMEL) \
267 || defined(CONFIG_USB_ATMEL) \
268 || defined(CONFIG_MMC)
269 # define CONFIG_DOS_PARTITION
270 # define CONFIG_CMD_FAT
271 # define CONFIG_CMD_EXT2
272 /* later: #define CONFIG_CMD_JFFS2 */
275 /* add NET commands if we have at least 1 LAN */
276 #if defined(CONFIG_MACB) || defined(CONFIG_ENC28J60)
277 # define CONFIG_CMD_PING
278 # define CONFIG_CMD_DHCP
279 # define CONFIG_CMD_MII
280 /* is this really needed ? */
281 # define CONFIG_RESET_PHY_R
283 # define CONFIG_BOOTP_BOOTFILESIZE
284 # define CONFIG_BOOTP_BOOTPATH
285 # define CONFIG_BOOTP_GATEWAY
286 # define CONFIG_BOOTP_HOSTNAME
289 /* linux in NAND flash */
290 #define CONFIG_BOOTCOUNT_LIMIT 1
291 #define CONFIG_BOOTCOMMAND \
292 "nand read 0x21000000 0xA0000 0x200000; bootm"
293 #define CONFIG_BOOTARGS \
294 "console=ttyS0,115200 " \
295 "root=/dev/mtdblock2 " \
296 "mtdparts=atmel_nand:" \
304 /* Size of malloc() pool */
305 #define CONFIG_SYS_MALLOC_LEN \
306 ROUND(3 * CONFIG_ENV_SIZE + 128*1024, 0x1000)
307 #define CONFIG_STACKSIZE (32*1024)
308 #ifdef CONFIG_USE_IRQ
309 #error CONFIG_USE_IRQ not supported