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 */
52 #define CONFIG_BOOTP_BOOTFILESIZE 1
53 #define CONFIG_BOOTP_BOOTPATH 1
54 #define CONFIG_BOOTP_GATEWAY 1
55 #define CONFIG_BOOTP_HOSTNAME 1
58 * Command line configuration.
60 #define CONFIG_CMD_NAND 1
63 * SDRAM: 1 bank, min 32, max 128 MB
64 * Initialized before u-boot gets started.
66 #define CONFIG_NR_DRAM_BANKS 1
67 #define CONFIG_SYS_SDRAM_BASE ATMEL_BASE_CS1
68 #define CONFIG_SYS_SDRAM_SIZE 0x04000000
71 * Initial stack pointer: 4k - GENERATED_GBL_DATA_SIZE in internal SRAM,
72 * leaving the correct space for initial global data structure above
73 * that address while providing maximum stack area below.
75 #ifdef CONFIG_AT91SAM9XE
76 # define CONFIG_SYS_INIT_SP_ADDR \
77 (ATMEL_BASE_SRAM + 16 * 1024 - GENERATED_GBL_DATA_SIZE)
79 # define CONFIG_SYS_INIT_SP_ADDR \
80 (ATMEL_BASE_SRAM1 + 16 * 1024 - GENERATED_GBL_DATA_SIZE)
84 * The (arm)linux board id set by generic code depending on configured board
85 * (see boards.cfg for different boards)
87 #ifdef CONFIG_AT91SAM9G20
88 /* the sam9g20 variants have two different board ids */
89 # ifdef CONFIG_AT91SAM9G20EK_2MMC
90 /* we may be setup for the 2MMC variant of at91sam9g20ek */
91 # define CONFIG_MACH_TYPE MACH_TYPE_AT91SAM9G20EK_2MMC
93 /* or the normal at91sam9g20ek */
94 # define CONFIG_MACH_TYPE MACH_TYPE_AT91SAM9G20EK
97 /* otherwise default to good old at91sam9260ek */
98 # define CONFIG_MACH_TYPE MACH_TYPE_AT91SAM9260EK
101 #ifndef CONFIG_AT91SAM9G20EK_2MMC
103 #define CONFIG_ATMEL_DATAFLASH_SPI
104 #define CONFIG_HAS_DATAFLASH 1
105 #define CONFIG_SYS_MAX_DATAFLASH_BANKS 2
106 #define CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 0xC0000000 /* CS0 */
107 #define CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS1 0xD0000000 /* CS1 */
108 #define AT91_SPI_CLK 15000000
110 /* Enable MMC. The MCCK is conflicted with DataFlash */
113 #ifdef CONFIG_AT91SAM9G20EK
114 #define DATAFLASH_TCSS (0x22 << 16)
116 #define DATAFLASH_TCSS (0x1a << 16)
118 #define DATAFLASH_TCHS (0x1 << 24)
121 #ifdef CONFIG_CMD_NAND
122 #define CONFIG_NAND_ATMEL
123 #define CONFIG_SYS_MAX_NAND_DEVICE 1
124 #define CONFIG_SYS_NAND_BASE ATMEL_BASE_CS3
125 #define CONFIG_SYS_NAND_DBW_8
126 #define CONFIG_SYS_NAND_MASK_ALE (1 << 21)
127 #define CONFIG_SYS_NAND_MASK_CLE (1 << 22)
128 #define CONFIG_SYS_NAND_ENABLE_PIN AT91_PIN_PC14
129 #define CONFIG_SYS_NAND_READY_PIN AT91_PIN_PC13
133 #define CONFIG_USB_ATMEL
134 #define CONFIG_USB_ATMEL_CLK_SEL_PLLB
135 #define CONFIG_USB_OHCI_NEW 1
136 #define CONFIG_SYS_USB_OHCI_CPU_INIT 1
137 #define CONFIG_SYS_USB_OHCI_REGS_BASE 0x00500000 /* AT91SAM9260_UHP_BASE */
138 #define CONFIG_SYS_USB_OHCI_SLOT_NAME "at91sam9260"
139 #define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS 2
141 #define CONFIG_SYS_LOAD_ADDR 0x22000000 /* load address */
143 #define CONFIG_SYS_MEMTEST_START CONFIG_SYS_SDRAM_BASE
144 #define CONFIG_SYS_MEMTEST_END 0x23e00000
146 #ifdef CONFIG_SYS_USE_DATAFLASH_CS0
148 /* bootstrap + u-boot + env + linux in dataflash on CS0 */
149 #define CONFIG_ENV_IS_IN_DATAFLASH 1
150 #define CONFIG_SYS_MONITOR_BASE (CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 + 0x8400)
151 #define CONFIG_ENV_OFFSET 0x4200
152 #define CONFIG_ENV_ADDR (CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 + CONFIG_ENV_OFFSET)
153 #define CONFIG_ENV_SIZE 0x4200
154 #define CONFIG_BOOTCOMMAND "cp.b 0xC0084000 0x22000000 0x210000; bootm"
155 #define CONFIG_BOOTARGS "console=ttyS0,115200 " \
156 "root=/dev/mtdblock0 " \
157 "mtdparts=atmel_nand:-(root) " \
158 "rw rootfstype=jffs2"
160 #elif CONFIG_SYS_USE_DATAFLASH_CS1
162 /* bootstrap + u-boot + env + linux in dataflash on CS1 */
163 #define CONFIG_ENV_IS_IN_DATAFLASH 1
164 #define CONFIG_SYS_MONITOR_BASE (CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS1 + 0x8400)
165 #define CONFIG_ENV_OFFSET 0x4200
166 #define CONFIG_ENV_ADDR (CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS1 + CONFIG_ENV_OFFSET)
167 #define CONFIG_ENV_SIZE 0x4200
168 #define CONFIG_BOOTCOMMAND "cp.b 0xD0084000 0x22000000 0x210000; bootm"
169 #define CONFIG_BOOTARGS "console=ttyS0,115200 " \
170 "root=/dev/mtdblock0 " \
171 "mtdparts=atmel_nand:-(root) " \
172 "rw rootfstype=jffs2"
174 #elif defined(CONFIG_SYS_USE_NANDFLASH)
176 /* bootstrap + u-boot + env + linux in nandflash */
177 #define CONFIG_ENV_IS_IN_NAND 1
178 #define CONFIG_ENV_OFFSET 0x120000
179 #define CONFIG_ENV_OFFSET_REDUND 0x100000
180 #define CONFIG_ENV_SIZE 0x20000 /* 1 sector = 128 kB */
181 #define CONFIG_BOOTCOMMAND "nand read 0x22000000 0x200000 0x300000; bootm"
182 #define CONFIG_BOOTARGS \
183 "console=ttyS0,115200 earlyprintk " \
184 "mtdparts=atmel_nand:256k(bootstrap)ro,512k(uboot)ro," \
185 "256k(env),256k(env_redundant),256k(spare)," \
186 "512k(dtb),6M(kernel)ro,-(rootfs) " \
187 "root=/dev/mtdblock7 rw rootfstype=jffs2"
189 #else /* CONFIG_SYS_USE_MMC */
190 /* bootstrap + u-boot + env + linux in mmc */
191 #define CONFIG_ENV_IS_IN_MMC
192 /* For FAT system, most cases it should be in the reserved sector */
193 #define CONFIG_ENV_OFFSET 0x2000
194 #define CONFIG_ENV_SIZE 0x1000
195 #define CONFIG_SYS_MMC_ENV_DEV 0
197 #define CONFIG_BOOTCOMMAND \
198 "fatload mmc 0:1 0x22000000 uImage; bootm"
199 #define CONFIG_BOOTARGS \
200 "console=ttyS0,115200 earlyprintk " \
201 "mtdparts=atmel_nand:256k(bootstrap)ro,512k(uboot)ro," \
202 "256k(env),256k(env_redundant),256k(spare)," \
203 "512k(dtb),6M(kernel)ro,-(rootfs) " \
204 "root=/dev/mmcblk0p2 rw rootfstype=ext4 rootwait"
207 #define CONFIG_SYS_CBSIZE 256
208 #define CONFIG_SYS_MAXARGS 16
209 #define CONFIG_SYS_LONGHELP 1
210 #define CONFIG_CMDLINE_EDITING 1
211 #define CONFIG_AUTO_COMPLETE
214 * Size of malloc() pool
216 #define CONFIG_SYS_MALLOC_LEN ROUND(3 * CONFIG_ENV_SIZE + 128*1024, 0x1000)