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
27 /* ARM asynchronous clock */
28 #define CONFIG_SYS_AT91_SLOW_CLOCK 32768 /* slow clock xtal */
29 #define CONFIG_SYS_AT91_MAIN_CLOCK 18432000 /* main clock xtal */
31 /* Define actual evaluation board type from used processor type */
32 #ifdef CONFIG_AT91SAM9G20
33 # define CONFIG_AT91SAM9G20EK /* It's an Atmel AT91SAM9G20 EK */
35 # define CONFIG_AT91SAM9260EK /* It's an Atmel AT91SAM9260 EK */
38 /* Misc CPU related */
39 #define CONFIG_ARCH_CPU_INIT
40 #define CONFIG_CMDLINE_TAG /* enable passing of ATAGs */
41 #define CONFIG_SETUP_MEMORY_TAGS
42 #define CONFIG_INITRD_TAG
43 #define CONFIG_SKIP_LOWLEVEL_INIT
45 /* general purpose I/O */
46 #define CONFIG_ATMEL_LEGACY /* required until (g)pio is fixed */
51 #define CONFIG_BOOTP_BOOTFILESIZE 1
54 * SDRAM: 1 bank, min 32, max 128 MB
55 * Initialized before u-boot gets started.
57 #define CONFIG_NR_DRAM_BANKS 1
58 #define CONFIG_SYS_SDRAM_BASE ATMEL_BASE_CS1
59 #define CONFIG_SYS_SDRAM_SIZE 0x04000000
62 * Initial stack pointer: 4k - GENERATED_GBL_DATA_SIZE in internal SRAM,
63 * leaving the correct space for initial global data structure above
64 * that address while providing maximum stack area below.
66 #ifdef CONFIG_AT91SAM9XE
67 # define CONFIG_SYS_INIT_SP_ADDR \
68 (ATMEL_BASE_SRAM + 16 * 1024 - GENERATED_GBL_DATA_SIZE)
70 # define CONFIG_SYS_INIT_SP_ADDR \
71 (ATMEL_BASE_SRAM1 + 16 * 1024 - GENERATED_GBL_DATA_SIZE)
75 * The (arm)linux board id set by generic code depending on configured board
76 * (see boards.cfg for different boards)
78 #ifdef CONFIG_AT91SAM9G20
79 /* the sam9g20 variants have two different board ids */
80 # ifdef CONFIG_AT91SAM9G20EK_2MMC
81 /* we may be setup for the 2MMC variant of at91sam9g20ek */
82 # define CONFIG_MACH_TYPE MACH_TYPE_AT91SAM9G20EK_2MMC
84 /* or the normal at91sam9g20ek */
85 # define CONFIG_MACH_TYPE MACH_TYPE_AT91SAM9G20EK
88 /* otherwise default to good old at91sam9260ek */
89 # define CONFIG_MACH_TYPE MACH_TYPE_AT91SAM9260EK
93 #ifdef CONFIG_CMD_NAND
94 #define CONFIG_NAND_ATMEL
95 #define CONFIG_SYS_MAX_NAND_DEVICE 1
96 #define CONFIG_SYS_NAND_BASE ATMEL_BASE_CS3
97 #define CONFIG_SYS_NAND_DBW_8
98 #define CONFIG_SYS_NAND_MASK_ALE (1 << 21)
99 #define CONFIG_SYS_NAND_MASK_CLE (1 << 22)
100 #define CONFIG_SYS_NAND_ENABLE_PIN AT91_PIN_PC14
101 #define CONFIG_SYS_NAND_READY_PIN AT91_PIN_PC13
105 #define CONFIG_USB_ATMEL
106 #define CONFIG_USB_ATMEL_CLK_SEL_PLLB
107 #define CONFIG_USB_OHCI_NEW 1
108 #define CONFIG_SYS_USB_OHCI_CPU_INIT 1
109 #define CONFIG_SYS_USB_OHCI_REGS_BASE 0x00500000 /* AT91SAM9260_UHP_BASE */
110 #define CONFIG_SYS_USB_OHCI_SLOT_NAME "at91sam9260"
111 #define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS 2
113 #define CONFIG_SYS_LOAD_ADDR 0x22000000 /* load address */
115 #define CONFIG_SYS_MEMTEST_START CONFIG_SYS_SDRAM_BASE
116 #define CONFIG_SYS_MEMTEST_END 0x23e00000
118 #ifdef CONFIG_SYS_USE_DATAFLASH_CS0
120 /* bootstrap + u-boot + env + linux in dataflash on CS0 */
121 #define CONFIG_ENV_OFFSET 0x4200
122 #define CONFIG_ENV_SIZE 0x4200
123 #define CONFIG_ENV_SECT_SIZE 0x210
124 #define CONFIG_ENV_SPI_MAX_HZ 15000000
125 #define CONFIG_BOOTCOMMAND "sf probe 0:0; " \
126 "sf read 0x22000000 0x84000 0x294000; " \
129 #elif CONFIG_SYS_USE_DATAFLASH_CS1
131 #define CONFIG_ENV_OFFSET 0x4200
132 #define CONFIG_ENV_SIZE 0x4200
133 #define CONFIG_ENV_SECT_SIZE 0x210
134 #define CONFIG_ENV_SPI_MAX_HZ 15000000
135 #define CONFIG_BOOTCOMMAND "sf probe 0:1; " \
136 "sf read 0x22000000 0x84000 0x294000; " \
139 #elif defined(CONFIG_SYS_USE_NANDFLASH)
141 /* bootstrap + u-boot + env + linux in nandflash */
142 #define CONFIG_ENV_OFFSET 0x120000
143 #define CONFIG_ENV_OFFSET_REDUND 0x100000
144 #define CONFIG_ENV_SIZE 0x20000 /* 1 sector = 128 kB */
145 #define CONFIG_BOOTCOMMAND "nand read 0x22000000 0x200000 0x300000; bootm"
147 #else /* CONFIG_SYS_USE_MMC */
148 /* bootstrap + u-boot + env + linux in mmc */
149 /* For FAT system, most cases it should be in the reserved sector */
150 #define CONFIG_ENV_OFFSET 0x2000
151 #define CONFIG_ENV_SIZE 0x1000
152 #define CONFIG_SYS_MMC_ENV_DEV 0
154 #define CONFIG_BOOTCOMMAND \
155 "fatload mmc 0:1 0x22000000 uImage; bootm"
159 * Size of malloc() pool
161 #define CONFIG_SYS_MALLOC_LEN ROUND(3 * CONFIG_ENV_SIZE + 128*1024, 0x1000)