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 * SDRAM: 1 bank, min 32, max 128 MB
59 * Initialized before u-boot gets started.
61 #define CONFIG_NR_DRAM_BANKS 1
62 #define CONFIG_SYS_SDRAM_BASE ATMEL_BASE_CS1
63 #define CONFIG_SYS_SDRAM_SIZE 0x04000000
66 * Initial stack pointer: 4k - GENERATED_GBL_DATA_SIZE in internal SRAM,
67 * leaving the correct space for initial global data structure above
68 * that address while providing maximum stack area below.
70 #ifdef CONFIG_AT91SAM9XE
71 # define CONFIG_SYS_INIT_SP_ADDR \
72 (ATMEL_BASE_SRAM + 16 * 1024 - GENERATED_GBL_DATA_SIZE)
74 # define CONFIG_SYS_INIT_SP_ADDR \
75 (ATMEL_BASE_SRAM1 + 16 * 1024 - GENERATED_GBL_DATA_SIZE)
79 * The (arm)linux board id set by generic code depending on configured board
80 * (see boards.cfg for different boards)
82 #ifdef CONFIG_AT91SAM9G20
83 /* the sam9g20 variants have two different board ids */
84 # ifdef CONFIG_AT91SAM9G20EK_2MMC
85 /* we may be setup for the 2MMC variant of at91sam9g20ek */
86 # define CONFIG_MACH_TYPE MACH_TYPE_AT91SAM9G20EK_2MMC
88 /* or the normal at91sam9g20ek */
89 # define CONFIG_MACH_TYPE MACH_TYPE_AT91SAM9G20EK
92 /* otherwise default to good old at91sam9260ek */
93 # define CONFIG_MACH_TYPE MACH_TYPE_AT91SAM9260EK
97 #ifdef CONFIG_CMD_NAND
98 #define CONFIG_NAND_ATMEL
99 #define CONFIG_SYS_MAX_NAND_DEVICE 1
100 #define CONFIG_SYS_NAND_BASE ATMEL_BASE_CS3
101 #define CONFIG_SYS_NAND_DBW_8
102 #define CONFIG_SYS_NAND_MASK_ALE (1 << 21)
103 #define CONFIG_SYS_NAND_MASK_CLE (1 << 22)
104 #define CONFIG_SYS_NAND_ENABLE_PIN AT91_PIN_PC14
105 #define CONFIG_SYS_NAND_READY_PIN AT91_PIN_PC13
109 #define CONFIG_USB_ATMEL
110 #define CONFIG_USB_ATMEL_CLK_SEL_PLLB
111 #define CONFIG_USB_OHCI_NEW 1
112 #define CONFIG_SYS_USB_OHCI_CPU_INIT 1
113 #define CONFIG_SYS_USB_OHCI_REGS_BASE 0x00500000 /* AT91SAM9260_UHP_BASE */
114 #define CONFIG_SYS_USB_OHCI_SLOT_NAME "at91sam9260"
115 #define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS 2
117 #define CONFIG_SYS_LOAD_ADDR 0x22000000 /* load address */
119 #define CONFIG_SYS_MEMTEST_START CONFIG_SYS_SDRAM_BASE
120 #define CONFIG_SYS_MEMTEST_END 0x23e00000
122 #ifdef CONFIG_SYS_USE_DATAFLASH_CS0
124 /* bootstrap + u-boot + env + linux in dataflash on CS0 */
125 #define CONFIG_ENV_OFFSET 0x4200
126 #define CONFIG_ENV_SIZE 0x4200
127 #define CONFIG_ENV_SECT_SIZE 0x210
128 #define CONFIG_ENV_SPI_MAX_HZ 15000000
129 #define CONFIG_BOOTCOMMAND "sf probe 0:0; " \
130 "sf read 0x22000000 0x84000 0x294000; " \
133 #elif CONFIG_SYS_USE_DATAFLASH_CS1
135 #define CONFIG_ENV_OFFSET 0x4200
136 #define CONFIG_ENV_SIZE 0x4200
137 #define CONFIG_ENV_SECT_SIZE 0x210
138 #define CONFIG_ENV_SPI_MAX_HZ 15000000
139 #define CONFIG_BOOTCOMMAND "sf probe 0:1; " \
140 "sf read 0x22000000 0x84000 0x294000; " \
143 #elif defined(CONFIG_SYS_USE_NANDFLASH)
145 /* bootstrap + u-boot + env + linux in nandflash */
146 #define CONFIG_ENV_OFFSET 0x120000
147 #define CONFIG_ENV_OFFSET_REDUND 0x100000
148 #define CONFIG_ENV_SIZE 0x20000 /* 1 sector = 128 kB */
149 #define CONFIG_BOOTCOMMAND "nand read 0x22000000 0x200000 0x300000; bootm"
151 #else /* CONFIG_SYS_USE_MMC */
152 /* bootstrap + u-boot + env + linux in mmc */
153 /* For FAT system, most cases it should be in the reserved sector */
154 #define CONFIG_ENV_OFFSET 0x2000
155 #define CONFIG_ENV_SIZE 0x1000
156 #define CONFIG_SYS_MMC_ENV_DEV 0
158 #define CONFIG_BOOTCOMMAND \
159 "fatload mmc 0:1 0x22000000 uImage; bootm"
162 #define CONFIG_SYS_LONGHELP 1
163 #define CONFIG_CMDLINE_EDITING 1
164 #define CONFIG_AUTO_COMPLETE
167 * Size of malloc() pool
169 #define CONFIG_SYS_MALLOC_LEN ROUND(3 * CONFIG_ENV_SIZE + 128*1024, 0x1000)