3 * Reinhard Meyer, EMK Elektronik, reinhard.meyer@emk-elektronik.de
5 * Configuation settings for the TOP9000 CPU module with AT91SAM9XE.
7 * SPDX-License-Identifier: GPL-2.0+
10 * top9000 with at91sam9xe256 or at91sam9xe512
12 * Initial Bootloader is in embedded flash.
13 * Vital Product Data, U-Boot Environment are in I2C-EEPROM.
14 * U-Boot is in embedded flash, a backup U-Boot can be in NAND flash.
15 * kernel and file system are either in NAND flash or on a micro SD card.
16 * NAND flash is optional.
17 * I2C EEPROM is never optional.
18 * SPI FRAM is optional.
19 * SPI ENC28J60 is optional.
20 * 16 or 32 bit wide SDRAM.
25 /* SoC must be defined first, before hardware.h is included */
26 #define CONFIG_AT91SAM9XE
27 #include <asm/hardware.h>
30 * Warning: changing CONFIG_SYS_TEXT_BASE requires
31 * adapting the initial boot program.
33 #define CONFIG_SYS_TEXT_BASE 0x20000000 /* start of SDRAM */
35 /* Command line configuration */
36 #include <config_cmd_default.h>
37 #undef CONFIG_CMD_FPGA
38 #undef CONFIG_CMD_SETGETDCR
39 #undef CONFIG_CMD_XIMG
40 #define CONFIG_CMD_ASKENV
41 #define CONFIG_SYS_CBSIZE 256
42 #define CONFIG_SYS_MAXARGS 16
43 #define CONFIG_SYS_PBSIZE \
44 (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
45 #define CONFIG_SYS_PROMPT "TOP9000> "
46 #define CONFIG_SYS_LONGHELP
47 #define CONFIG_CMDLINE_EDITING
48 #define CONFIG_CMD_BDI
49 #define CONFIG_CMD_CACHE
51 /* ARM asynchronous clock */
52 #define CONFIG_SYS_AT91_SLOW_CLOCK 32768 /* slow clock xtal */
53 #define CONFIG_SYS_AT91_MAIN_CLOCK 18432000 /* main clock xtal */
55 /* Misc CPU related */
56 #define CONFIG_ARCH_CPU_INIT
57 #define CONFIG_CMDLINE_TAG /* enable passing of ATAGs */
58 #define CONFIG_SETUP_MEMORY_TAGS
59 #define CONFIG_INITRD_TAG
60 #define CONFIG_SKIP_LOWLEVEL_INIT
61 #define CONFIG_BOARD_EARLY_INIT_F
62 #define CONFIG_DISPLAY_CPUINFO
63 #define CONFIG_AT91RESET_EXTRST /* assert external reset */
65 /* general purpose I/O */
66 #define CONFIG_ATMEL_LEGACY /* required until (g)pio is fixed */
67 #define CONFIG_AT91_GPIO
68 #define CONFIG_AT91_GPIO_PULLUP 1 /* keep pullups on peripheral pins */
71 #define CONFIG_ATMEL_USART
72 #define CONFIG_USART_BASE ATMEL_BASE_DBGU
73 #define CONFIG_USART_ID ATMEL_ID_SYS
74 #define CONFIG_BAUDRATE 115200
78 #define CONFIG_GENERIC_MMC
79 #define CONFIG_GENERIC_ATMEL_MCI
80 #define CONFIG_SYS_MMC_CD_PIN AT91_PIN_PC9
81 #define CONFIG_CMD_MMC
85 #define CONFIG_SYS_PHY_ID 1
87 #define CONFIG_NET_RETRY_COUNT 20
90 #define CONFIG_RTC_AT91SAM9_RTT
91 #define CONFIG_CMD_DATE
93 #if defined(CONFIG_AT91SAM9XE)
95 * NOR flash - use embedded flash of SAM9XE256/512
96 * U-Boot will not fit into 128K !
97 * 2010.09 will not fit into 256K with all options enabled !
100 * 16kB 1st Bootloader
102 * the first sector (16kB) of EFLASH cannot be unprotected
103 * with u-boot commands
105 # define CONFIG_AT91_EFLASH
106 # define CONFIG_SYS_FLASH_BASE ATMEL_BASE_FLASH
107 # define CONFIG_SYS_MAX_FLASH_SECT 32
108 # define CONFIG_SYS_MAX_FLASH_BANKS 1
109 # define CONFIG_SYS_FLASH_PROTECTION
110 # define CONFIG_EFLASH_PROTSECTORS 1 /* protect first sector */
114 #define CONFIG_ATMEL_SPI
115 #define CONFIG_CMD_SPI
118 #define CONFIG_CMD_SF
119 #define CONFIG_ATMEL_SPI0 /* SPI used for FRAM is SPI0 */
120 #define FRAM_SPI_BUS 0
121 #define FRAM_CS_NUM 0
122 #define CONFIG_SPI_FRAM_RAMTRON
123 #define CONFIG_SF_DEFAULT_SPEED 1000000 /* be conservative here... */
124 #define CONFIG_SF_DEFAULT_MODE SPI_MODE_0
125 #define CONFIG_SPI_FRAM_RAMTRON_NON_JEDEC "FM25H20"
127 /* Microchip ENC28J60 (second LAN) */
128 #if defined(CONFIG_EVAL9000)
129 # define CONFIG_ENC28J60
130 # define CONFIG_ATMEL_SPI1 /* SPI used for ENC28J60 is SPI1 */
131 # define ENC_SPI_BUS 1
132 # define ENC_CS_NUM 0
133 # define ENC_SPI_CLOCK 1000000
134 #endif /* CONFIG_EVAL9000 */
137 * SDRAM: 1 bank, min 32, max 128 MB
138 * Initialized before u-boot gets started.
140 #define CONFIG_NR_DRAM_BANKS 1
141 #define CONFIG_SYS_SDRAM_BASE ATMEL_BASE_CS1
142 #define CONFIG_SYS_SDRAM_SIZE 0x08000000
143 #define CONFIG_SYS_MEMTEST_START CONFIG_SYS_SDRAM_BASE
144 #define CONFIG_SYS_MEMTEST_END (CONFIG_SYS_SDRAM_BASE + 0x01e00000)
145 #define CONFIG_SYS_LOAD_ADDR \
146 (CONFIG_SYS_SDRAM_BASE + 0x01000000)
148 * Initial stack pointer: 16k - GENERATED_GBL_DATA_SIZE in internal SRAM,
149 * leaving the correct space for initial global data structure above
150 * that address while providing maximum stack area below.
152 #define CONFIG_SYS_INIT_SP_ADDR \
153 (ATMEL_BASE_SRAM + 0x4000 - GENERATED_GBL_DATA_SIZE)
156 * NAND flash: 256 MB (optional)
159 * 640kB: u-boot (includes space for spare sectors, handled by
164 #define CONFIG_NAND_ATMEL
165 #define CONFIG_SYS_MAX_NAND_DEVICE 1
166 #define CONFIG_SYS_NAND_BASE ATMEL_BASE_CS3
167 #define CONFIG_SYS_NAND_DBW_8
168 #define CONFIG_SYS_NAND_MASK_ALE (1 << 21)
169 #define CONFIG_SYS_NAND_MASK_CLE (1 << 22)
170 #define CONFIG_SYS_NAND_ENABLE_PIN AT91_PIN_PC14
171 #define CONFIG_SYS_NAND_READY_PIN AT91_PIN_PC13
172 #define CONFIG_CMD_NAND
175 #define CONFIG_USB_ATMEL
176 #define CONFIG_USB_OHCI_NEW
177 #define CONFIG_DOS_PARTITION
178 #define CONFIG_SYS_USB_OHCI_CPU_INIT
179 #define CONFIG_SYS_USB_OHCI_REGS_BASE ATMEL_UHP_BASE
180 #define CONFIG_SYS_USB_OHCI_SLOT_NAME "top9000"
181 #define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS 2
182 #define CONFIG_USB_STORAGE
183 #define CONFIG_CMD_USB
185 /* I2C support must always be enabled */
186 #define CONFIG_CMD_I2C
187 #define CONFIG_SYS_I2C
188 #define CONFIG_SYS_I2C_SOFT /* I2C bit-banged */
189 #define CONFIG_SYS_I2C_SOFT_SPEED 400000
190 #define CONFIG_SYS_I2C_SOFT_SLAVE 0x7F
192 #define I2C0_PORT AT91_PIO_PORTA
195 #define I2C1_PORT AT91_PIO_PORTB
198 #define I2C_SOFT_DECLARATIONS void iic_init(void);\
204 #define I2C_INIT iic_init()
205 #define I2C_READ iic_read()
206 #define I2C_SDA(bit) iic_sda(bit)
207 #define I2C_SCL(bit) iic_scl(bit)
208 #define I2C_DELAY udelay(3)
209 /* EEPROM configuration */
210 #define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS 5
211 #define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS 5
212 #define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 2
213 #define CONFIG_SYS_EEPROM_SIZE 0x2000
214 #define CONFIG_SYS_I2C_EEPROM_ADDR 0x57
215 /* later: #define CONFIG_I2C_ENV_EEPROM_BUS 0 */
216 /* ENV is always in I2C-EEPROM */
217 #define CONFIG_ENV_IS_IN_EEPROM
218 #define CONFIG_ENV_OFFSET 0x1000
219 #define CONFIG_ENV_SIZE 0x0f00
221 #define CONFIG_SYS_I2C_FACT_ADDR 0x57
222 #define CONFIG_SYS_FACT_OFFSET 0x1F00
223 #define CONFIG_SYS_FACT_SIZE 0x0100
224 /* later: #define CONFIG_MISC_INIT_R */
225 /* define the next only if you want to allow users to enter VPD data */
226 #define CONFIG_SYS_FACT_ENTRY
228 extern void read_factory_r(void);
232 * Only interrupt autoboot if <space> is pressed. Otherwise, garbage
233 * data on the serial line may interrupt the boot sequence.
235 #define CONFIG_BOOTDELAY 1
236 #define CONFIG_AUTOBOOT
237 #define CONFIG_AUTOBOOT_KEYED
238 #define CONFIG_AUTOBOOT_PROMPT \
239 "Press SPACE to abort autoboot in %d seconds\n", bootdelay
240 #define CONFIG_AUTOBOOT_DELAY_STR "d"
241 #define CONFIG_AUTOBOOT_STOP_STR " "
244 * add filesystem commands if we have at least 1 storage
245 * media with filesystem
247 #if defined(CONFIG_NAND_ATMEL) \
248 || defined(CONFIG_USB_ATMEL) \
249 || defined(CONFIG_MMC)
250 # define CONFIG_DOS_PARTITION
251 # define CONFIG_CMD_FAT
252 # define CONFIG_CMD_EXT2
253 /* later: #define CONFIG_CMD_JFFS2 */
256 /* add NET commands if we have at least 1 LAN */
257 #if defined(CONFIG_MACB) || defined(CONFIG_ENC28J60)
258 # define CONFIG_CMD_PING
259 # define CONFIG_CMD_DHCP
260 # define CONFIG_CMD_MII
261 /* is this really needed ? */
262 # define CONFIG_RESET_PHY_R
264 # define CONFIG_BOOTP_BOOTFILESIZE
265 # define CONFIG_BOOTP_BOOTPATH
266 # define CONFIG_BOOTP_GATEWAY
267 # define CONFIG_BOOTP_HOSTNAME
270 /* linux in NAND flash */
271 #define CONFIG_BOOTCOUNT_LIMIT 1
272 #define CONFIG_BOOTCOMMAND \
273 "nand read 0x21000000 0xA0000 0x200000; bootm"
274 #define CONFIG_BOOTARGS \
275 "console=ttyS0,115200 " \
276 "root=/dev/mtdblock2 " \
277 "mtdparts=atmel_nand:" \
285 /* Size of malloc() pool */
286 #define CONFIG_SYS_MALLOC_LEN \
287 ROUND(3 * CONFIG_ENV_SIZE + 128*1024, 0x1000)