2 * (C) Copyright 2007-2008
3 * Stelian Pop <stelian@popies.net>
4 * Lead Tech Design <www.leadtechdesign.com>
6 * Configuation settings for the AT91SAM9260EK & AT91SAM9G20EK boards.
8 * SPDX-License-Identifier: GPL-2.0+
15 * SoC must be defined first, before hardware.h is included.
16 * In this case SoC is defined in boards.cfg.
18 #include <asm/hardware.h>
21 * Warning: changing CONFIG_SYS_TEXT_BASE requires
22 * adapting the initial boot program.
23 * Since the linker has to swallow that define, we must use a pure
26 #define CONFIG_SYS_TEXT_BASE 0x21f00000
28 /* ARM asynchronous clock */
29 #define CONFIG_SYS_AT91_SLOW_CLOCK 32768 /* slow clock xtal */
30 #define CONFIG_SYS_AT91_MAIN_CLOCK 18432000 /* main clock xtal */
32 /* Define actual evaluation board type from used processor type */
33 #ifdef CONFIG_AT91SAM9G20
34 # define CONFIG_AT91SAM9G20EK /* It's an Atmel AT91SAM9G20 EK */
36 # define CONFIG_AT91SAM9260EK /* It's an Atmel AT91SAM9260 EK */
39 /* Misc CPU related */
40 #define CONFIG_ARCH_CPU_INIT
41 #define CONFIG_CMDLINE_TAG /* enable passing of ATAGs */
42 #define CONFIG_SETUP_MEMORY_TAGS
43 #define CONFIG_INITRD_TAG
44 #define CONFIG_SKIP_LOWLEVEL_INIT
46 /* general purpose I/O */
47 #define CONFIG_ATMEL_LEGACY /* required until (g)pio is fixed */
48 #define CONFIG_AT91_GPIO
49 #define CONFIG_AT91_GPIO_PULLUP 1 /* keep pullups on peripheral pins */
52 #define CONFIG_ATMEL_USART
53 #define CONFIG_USART_BASE ATMEL_BASE_DBGU
54 #define CONFIG_USART_ID ATMEL_ID_SYS
55 #define CONFIG_BAUDRATE 115200
58 #define CONFIG_AT91_LED
59 #define CONFIG_RED_LED AT91_PIN_PA9 /* this is the power led */
60 #define CONFIG_GREEN_LED AT91_PIN_PA6 /* this is the user led */
66 #define CONFIG_BOOTP_BOOTFILESIZE 1
67 #define CONFIG_BOOTP_BOOTPATH 1
68 #define CONFIG_BOOTP_GATEWAY 1
69 #define CONFIG_BOOTP_HOSTNAME 1
72 * Command line configuration.
74 #define CONFIG_CMD_NAND 1
77 * SDRAM: 1 bank, min 32, max 128 MB
78 * Initialized before u-boot gets started.
80 #define CONFIG_NR_DRAM_BANKS 1
81 #define CONFIG_SYS_SDRAM_BASE ATMEL_BASE_CS1
82 #define CONFIG_SYS_SDRAM_SIZE 0x04000000
85 * Initial stack pointer: 4k - GENERATED_GBL_DATA_SIZE in internal SRAM,
86 * leaving the correct space for initial global data structure above
87 * that address while providing maximum stack area below.
89 #ifdef CONFIG_AT91SAM9XE
90 # define CONFIG_SYS_INIT_SP_ADDR \
91 (ATMEL_BASE_SRAM + 0x1000 - GENERATED_GBL_DATA_SIZE)
93 # define CONFIG_SYS_INIT_SP_ADDR \
94 (ATMEL_BASE_SRAM1 + 0x1000 - GENERATED_GBL_DATA_SIZE)
98 * The (arm)linux board id set by generic code depending on configured board
99 * (see boards.cfg for different boards)
101 #ifdef CONFIG_AT91SAM9G20
102 /* the sam9g20 variants have two different board ids */
103 # ifdef CONFIG_AT91SAM9G20EK_2MMC
104 /* we may be setup for the 2MMC variant of at91sam9g20ek */
105 # define CONFIG_MACH_TYPE MACH_TYPE_AT91SAM9G20EK_2MMC
107 /* or the normal at91sam9g20ek */
108 # define CONFIG_MACH_TYPE MACH_TYPE_AT91SAM9G20EK
111 /* otherwise default to good old at91sam9260ek */
112 # define CONFIG_MACH_TYPE MACH_TYPE_AT91SAM9260EK
115 #ifndef CONFIG_AT91SAM9G20EK_2MMC
117 #define CONFIG_ATMEL_DATAFLASH_SPI
118 #define CONFIG_HAS_DATAFLASH 1
119 #define CONFIG_SYS_MAX_DATAFLASH_BANKS 2
120 #define CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 0xC0000000 /* CS0 */
121 #define CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS1 0xD0000000 /* CS1 */
122 #define AT91_SPI_CLK 15000000
124 /* Enable MMC. The MCCK is conflicted with DataFlash */
127 #ifdef CONFIG_AT91SAM9G20EK
128 #define DATAFLASH_TCSS (0x22 << 16)
130 #define DATAFLASH_TCSS (0x1a << 16)
132 #define DATAFLASH_TCHS (0x1 << 24)
135 #ifdef CONFIG_CMD_NAND
136 #define CONFIG_NAND_ATMEL
137 #define CONFIG_SYS_MAX_NAND_DEVICE 1
138 #define CONFIG_SYS_NAND_BASE ATMEL_BASE_CS3
139 #define CONFIG_SYS_NAND_DBW_8
140 #define CONFIG_SYS_NAND_MASK_ALE (1 << 21)
141 #define CONFIG_SYS_NAND_MASK_CLE (1 << 22)
142 #define CONFIG_SYS_NAND_ENABLE_PIN AT91_PIN_PC14
143 #define CONFIG_SYS_NAND_READY_PIN AT91_PIN_PC13
147 #ifdef CONFIG_CMD_MMC
148 #define CONFIG_GENERIC_ATMEL_MCI
152 #define CONFIG_MACB 1
153 #define CONFIG_RMII 1
154 #define CONFIG_NET_RETRY_COUNT 20
155 #define CONFIG_RESET_PHY_R 1
156 #define CONFIG_AT91_WANTS_COMMON_PHY
159 #define CONFIG_USB_ATMEL
160 #define CONFIG_USB_ATMEL_CLK_SEL_PLLB
161 #define CONFIG_USB_OHCI_NEW 1
162 #define CONFIG_SYS_USB_OHCI_CPU_INIT 1
163 #define CONFIG_SYS_USB_OHCI_REGS_BASE 0x00500000 /* AT91SAM9260_UHP_BASE */
164 #define CONFIG_SYS_USB_OHCI_SLOT_NAME "at91sam9260"
165 #define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS 2
167 #define CONFIG_SYS_LOAD_ADDR 0x22000000 /* load address */
169 #define CONFIG_SYS_MEMTEST_START CONFIG_SYS_SDRAM_BASE
170 #define CONFIG_SYS_MEMTEST_END 0x23e00000
172 #ifdef CONFIG_SYS_USE_DATAFLASH_CS0
174 /* bootstrap + u-boot + env + linux in dataflash on CS0 */
175 #define CONFIG_ENV_IS_IN_DATAFLASH 1
176 #define CONFIG_SYS_MONITOR_BASE (CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 + 0x8400)
177 #define CONFIG_ENV_OFFSET 0x4200
178 #define CONFIG_ENV_ADDR (CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 + CONFIG_ENV_OFFSET)
179 #define CONFIG_ENV_SIZE 0x4200
180 #define CONFIG_BOOTCOMMAND "cp.b 0xC0084000 0x22000000 0x210000; bootm"
181 #define CONFIG_BOOTARGS "console=ttyS0,115200 " \
182 "root=/dev/mtdblock0 " \
183 "mtdparts=atmel_nand:-(root) " \
184 "rw rootfstype=jffs2"
186 #elif CONFIG_SYS_USE_DATAFLASH_CS1
188 /* bootstrap + u-boot + env + linux in dataflash on CS1 */
189 #define CONFIG_ENV_IS_IN_DATAFLASH 1
190 #define CONFIG_SYS_MONITOR_BASE (CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS1 + 0x8400)
191 #define CONFIG_ENV_OFFSET 0x4200
192 #define CONFIG_ENV_ADDR (CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS1 + CONFIG_ENV_OFFSET)
193 #define CONFIG_ENV_SIZE 0x4200
194 #define CONFIG_BOOTCOMMAND "cp.b 0xD0084000 0x22000000 0x210000; bootm"
195 #define CONFIG_BOOTARGS "console=ttyS0,115200 " \
196 "root=/dev/mtdblock0 " \
197 "mtdparts=atmel_nand:-(root) " \
198 "rw rootfstype=jffs2"
200 #elif defined(CONFIG_SYS_USE_NANDFLASH)
202 /* bootstrap + u-boot + env + linux in nandflash */
203 #define CONFIG_ENV_IS_IN_NAND 1
204 #define CONFIG_ENV_OFFSET 0xc0000
205 #define CONFIG_ENV_OFFSET_REDUND 0x100000
206 #define CONFIG_ENV_SIZE 0x20000 /* 1 sector = 128 kB */
207 #define CONFIG_BOOTCOMMAND "nand read 0x22000000 0x200000 0x300000; bootm"
208 #define CONFIG_BOOTARGS \
209 "console=ttyS0,115200 earlyprintk " \
210 "mtdparts=atmel_nand:256k(bootstrap)ro,512k(uboot)ro," \
211 "256k(env),256k(env_redundant),256k(spare)," \
212 "512k(dtb),6M(kernel)ro,-(rootfs) " \
213 "root=/dev/mtdblock7 rw rootfstype=jffs2"
215 #else /* CONFIG_SYS_USE_MMC */
216 /* bootstrap + u-boot + env + linux in mmc */
217 #define CONFIG_ENV_IS_IN_MMC
218 /* For FAT system, most cases it should be in the reserved sector */
219 #define CONFIG_ENV_OFFSET 0x2000
220 #define CONFIG_ENV_SIZE 0x1000
221 #define CONFIG_SYS_MMC_ENV_DEV 0
223 #define CONFIG_BOOTCOMMAND \
224 "fatload mmc 0:1 0x22000000 uImage; bootm"
225 #define CONFIG_BOOTARGS \
226 "console=ttyS0,115200 earlyprintk " \
227 "mtdparts=atmel_nand:256k(bootstrap)ro,512k(uboot)ro," \
228 "256k(env),256k(env_redundant),256k(spare)," \
229 "512k(dtb),6M(kernel)ro,-(rootfs) " \
230 "root=/dev/mmcblk0p2 rw rootfstype=ext4 rootwait"
233 #define CONFIG_SYS_CBSIZE 256
234 #define CONFIG_SYS_MAXARGS 16
235 #define CONFIG_SYS_LONGHELP 1
236 #define CONFIG_CMDLINE_EDITING 1
237 #define CONFIG_AUTO_COMPLETE
240 * Size of malloc() pool
242 #define CONFIG_SYS_MALLOC_LEN ROUND(3 * CONFIG_ENV_SIZE + 128*1024, 0x1000)