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 */
39 /* general purpose I/O */
40 #define CONFIG_ATMEL_LEGACY /* required until (g)pio is fixed */
45 #define CONFIG_BOOTP_BOOTFILESIZE 1
48 * SDRAM: 1 bank, min 32, max 128 MB
49 * Initialized before u-boot gets started.
51 #define CONFIG_SYS_SDRAM_BASE ATMEL_BASE_CS1
52 #define CONFIG_SYS_SDRAM_SIZE 0x04000000
55 * Initial stack pointer: 4k - GENERATED_GBL_DATA_SIZE in internal SRAM,
56 * leaving the correct space for initial global data structure above
57 * that address while providing maximum stack area below.
59 #ifdef CONFIG_AT91SAM9XE
60 # define CONFIG_SYS_INIT_SP_ADDR \
61 (ATMEL_BASE_SRAM + 16 * 1024 - GENERATED_GBL_DATA_SIZE)
63 # define CONFIG_SYS_INIT_SP_ADDR \
64 (ATMEL_BASE_SRAM1 + 16 * 1024 - GENERATED_GBL_DATA_SIZE)
68 * The (arm)linux board id set by generic code depending on configured board
69 * (see boards.cfg for different boards)
71 #ifdef CONFIG_AT91SAM9G20
72 /* the sam9g20 variants have two different board ids */
73 # ifdef CONFIG_AT91SAM9G20EK_2MMC
74 /* we may be setup for the 2MMC variant of at91sam9g20ek */
75 # define CONFIG_MACH_TYPE MACH_TYPE_AT91SAM9G20EK_2MMC
77 /* or the normal at91sam9g20ek */
78 # define CONFIG_MACH_TYPE MACH_TYPE_AT91SAM9G20EK
81 /* otherwise default to good old at91sam9260ek */
82 # define CONFIG_MACH_TYPE MACH_TYPE_AT91SAM9260EK
86 #ifdef CONFIG_CMD_NAND
87 #define CONFIG_SYS_MAX_NAND_DEVICE 1
88 #define CONFIG_SYS_NAND_BASE ATMEL_BASE_CS3
89 #define CONFIG_SYS_NAND_DBW_8
90 #define CONFIG_SYS_NAND_MASK_ALE (1 << 21)
91 #define CONFIG_SYS_NAND_MASK_CLE (1 << 22)
92 #define CONFIG_SYS_NAND_ENABLE_PIN AT91_PIN_PC14
93 #define CONFIG_SYS_NAND_READY_PIN AT91_PIN_PC13
97 #define CONFIG_USB_ATMEL
98 #define CONFIG_USB_ATMEL_CLK_SEL_PLLB
99 #define CONFIG_USB_OHCI_NEW 1
100 #define CONFIG_SYS_USB_OHCI_CPU_INIT 1
101 #define CONFIG_SYS_USB_OHCI_REGS_BASE 0x00500000 /* AT91SAM9260_UHP_BASE */
102 #define CONFIG_SYS_USB_OHCI_SLOT_NAME "at91sam9260"
103 #define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS 2
105 #ifdef CONFIG_SYS_USE_DATAFLASH_CS0
107 /* bootstrap + u-boot + env + linux in dataflash on CS0 */
108 #define CONFIG_BOOTCOMMAND "sf probe 0:0; " \
109 "sf read 0x22000000 0x84000 0x294000; " \
112 #elif CONFIG_SYS_USE_DATAFLASH_CS1
114 #define CONFIG_BOOTCOMMAND "sf probe 0:1; " \
115 "sf read 0x22000000 0x84000 0x294000; " \
118 #elif defined(CONFIG_SYS_USE_NANDFLASH)
120 /* bootstrap + u-boot + env + linux in nandflash */
121 #define CONFIG_BOOTCOMMAND "nand read 0x22000000 0x200000 0x300000; bootm"
123 #else /* CONFIG_SYS_USE_MMC */
124 /* bootstrap + u-boot + env + linux in mmc */
125 /* For FAT system, most cases it should be in the reserved sector */
127 #define CONFIG_BOOTCOMMAND \
128 "fatload mmc 0:1 0x22000000 uImage; bootm"