1 /* SPDX-License-Identifier: GPL-2.0+ */
3 * (C) Copyright 2007-2008
4 * Stelian Pop <stelian@popies.net>
5 * Lead Tech Design <www.leadtechdesign.com>
7 * Configuation settings for the AT91SAM9260EK & AT91SAM9G20EK boards.
14 * SoC must be defined first, before hardware.h is included.
15 * In this case SoC is defined in boards.cfg.
17 #include <asm/hardware.h>
20 * Warning: changing CONFIG_SYS_TEXT_BASE requires
21 * adapting the initial boot program.
22 * Since the linker has to swallow that define, we must use a pure
26 /* ARM asynchronous clock */
27 #define CONFIG_SYS_AT91_SLOW_CLOCK 32768 /* slow clock xtal */
28 #define CONFIG_SYS_AT91_MAIN_CLOCK 18432000 /* main clock xtal */
30 /* Define actual evaluation board type from used processor type */
31 #ifdef CONFIG_AT91SAM9G20
32 # define CONFIG_AT91SAM9G20EK /* It's an Atmel AT91SAM9G20 EK */
34 # define CONFIG_AT91SAM9260EK /* It's an Atmel AT91SAM9260 EK */
37 /* Misc CPU related */
38 #define CONFIG_ARCH_CPU_INIT
39 #define CONFIG_CMDLINE_TAG /* enable passing of ATAGs */
40 #define CONFIG_SETUP_MEMORY_TAGS
41 #define CONFIG_INITRD_TAG
42 #define CONFIG_SKIP_LOWLEVEL_INIT
44 /* general purpose I/O */
45 #define CONFIG_ATMEL_LEGACY /* required until (g)pio is fixed */
50 #define CONFIG_BOOTP_BOOTFILESIZE 1
53 * SDRAM: 1 bank, min 32, max 128 MB
54 * Initialized before u-boot gets started.
56 #define CONFIG_SYS_SDRAM_BASE ATMEL_BASE_CS1
57 #define CONFIG_SYS_SDRAM_SIZE 0x04000000
60 * Initial stack pointer: 4k - GENERATED_GBL_DATA_SIZE in internal SRAM,
61 * leaving the correct space for initial global data structure above
62 * that address while providing maximum stack area below.
64 #ifdef CONFIG_AT91SAM9XE
65 # define CONFIG_SYS_INIT_SP_ADDR \
66 (ATMEL_BASE_SRAM + 16 * 1024 - GENERATED_GBL_DATA_SIZE)
68 # define CONFIG_SYS_INIT_SP_ADDR \
69 (ATMEL_BASE_SRAM1 + 16 * 1024 - GENERATED_GBL_DATA_SIZE)
73 * The (arm)linux board id set by generic code depending on configured board
74 * (see boards.cfg for different boards)
76 #ifdef CONFIG_AT91SAM9G20
77 /* the sam9g20 variants have two different board ids */
78 # ifdef CONFIG_AT91SAM9G20EK_2MMC
79 /* we may be setup for the 2MMC variant of at91sam9g20ek */
80 # define CONFIG_MACH_TYPE MACH_TYPE_AT91SAM9G20EK_2MMC
82 /* or the normal at91sam9g20ek */
83 # define CONFIG_MACH_TYPE MACH_TYPE_AT91SAM9G20EK
86 /* otherwise default to good old at91sam9260ek */
87 # define CONFIG_MACH_TYPE MACH_TYPE_AT91SAM9260EK
91 #ifdef CONFIG_CMD_NAND
92 #define CONFIG_SYS_MAX_NAND_DEVICE 1
93 #define CONFIG_SYS_NAND_BASE ATMEL_BASE_CS3
94 #define CONFIG_SYS_NAND_DBW_8
95 #define CONFIG_SYS_NAND_MASK_ALE (1 << 21)
96 #define CONFIG_SYS_NAND_MASK_CLE (1 << 22)
97 #define CONFIG_SYS_NAND_ENABLE_PIN AT91_PIN_PC14
98 #define CONFIG_SYS_NAND_READY_PIN AT91_PIN_PC13
102 #define CONFIG_USB_ATMEL
103 #define CONFIG_USB_ATMEL_CLK_SEL_PLLB
104 #define CONFIG_USB_OHCI_NEW 1
105 #define CONFIG_SYS_USB_OHCI_CPU_INIT 1
106 #define CONFIG_SYS_USB_OHCI_REGS_BASE 0x00500000 /* AT91SAM9260_UHP_BASE */
107 #define CONFIG_SYS_USB_OHCI_SLOT_NAME "at91sam9260"
108 #define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS 2
110 #define CONFIG_SYS_LOAD_ADDR 0x22000000 /* load address */
112 #define CONFIG_SYS_MEMTEST_START CONFIG_SYS_SDRAM_BASE
113 #define CONFIG_SYS_MEMTEST_END 0x23e00000
115 #ifdef CONFIG_SYS_USE_DATAFLASH_CS0
117 /* bootstrap + u-boot + env + linux in dataflash on CS0 */
118 #define CONFIG_ENV_OFFSET 0x4200
119 #define CONFIG_ENV_SIZE 0x4200
120 #define CONFIG_ENV_SECT_SIZE 0x210
121 #define CONFIG_BOOTCOMMAND "sf probe 0:0; " \
122 "sf read 0x22000000 0x84000 0x294000; " \
125 #elif CONFIG_SYS_USE_DATAFLASH_CS1
127 #define CONFIG_ENV_OFFSET 0x4200
128 #define CONFIG_ENV_SIZE 0x4200
129 #define CONFIG_ENV_SECT_SIZE 0x210
130 #define CONFIG_BOOTCOMMAND "sf probe 0:1; " \
131 "sf read 0x22000000 0x84000 0x294000; " \
134 #elif defined(CONFIG_SYS_USE_NANDFLASH)
136 /* bootstrap + u-boot + env + linux in nandflash */
137 #define CONFIG_ENV_OFFSET 0x140000
138 #define CONFIG_ENV_OFFSET_REDUND 0x100000
139 #define CONFIG_ENV_SIZE 0x20000 /* 1 sector = 128 kB */
140 #define CONFIG_BOOTCOMMAND "nand read 0x22000000 0x200000 0x300000; bootm"
142 #else /* CONFIG_SYS_USE_MMC */
143 /* bootstrap + u-boot + env + linux in mmc */
144 /* For FAT system, most cases it should be in the reserved sector */
145 #define CONFIG_ENV_OFFSET 0x2000
146 #define CONFIG_ENV_SIZE 0x1000
147 #define CONFIG_SYS_MMC_ENV_DEV 0
149 #define CONFIG_BOOTCOMMAND \
150 "fatload mmc 0:1 0x22000000 uImage; bootm"
154 * Size of malloc() pool
156 #define CONFIG_SYS_MALLOC_LEN ROUND(3 * CONFIG_ENV_SIZE + 128*1024, 0x1000)