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 /* general purpose I/O */
31 #define CONFIG_ATMEL_LEGACY /* required until (g)pio is fixed */
34 * SDRAM: 1 bank, min 32, max 128 MB
35 * Initialized before u-boot gets started.
37 #define CONFIG_SYS_SDRAM_BASE ATMEL_BASE_CS1
38 #define CONFIG_SYS_SDRAM_SIZE 0x04000000
41 * Initial stack pointer: 4k - GENERATED_GBL_DATA_SIZE in internal SRAM,
42 * leaving the correct space for initial global data structure above
43 * that address while providing maximum stack area below.
45 #ifdef CONFIG_AT91SAM9XE
46 # define CONFIG_SYS_INIT_SP_ADDR \
47 (ATMEL_BASE_SRAM + 16 * 1024 - GENERATED_GBL_DATA_SIZE)
49 # define CONFIG_SYS_INIT_SP_ADDR \
50 (ATMEL_BASE_SRAM1 + 16 * 1024 - GENERATED_GBL_DATA_SIZE)
54 #ifdef CONFIG_CMD_NAND
55 #define CONFIG_SYS_MAX_NAND_DEVICE 1
56 #define CONFIG_SYS_NAND_BASE ATMEL_BASE_CS3
57 #define CONFIG_SYS_NAND_DBW_8
58 #define CONFIG_SYS_NAND_MASK_ALE (1 << 21)
59 #define CONFIG_SYS_NAND_MASK_CLE (1 << 22)
60 #define CONFIG_SYS_NAND_ENABLE_PIN AT91_PIN_PC14
61 #define CONFIG_SYS_NAND_READY_PIN AT91_PIN_PC13
65 #define CONFIG_USB_ATMEL
66 #define CONFIG_USB_ATMEL_CLK_SEL_PLLB
67 #define CONFIG_USB_OHCI_NEW 1
68 #define CONFIG_SYS_USB_OHCI_CPU_INIT 1
69 #define CONFIG_SYS_USB_OHCI_REGS_BASE 0x00500000 /* AT91SAM9260_UHP_BASE */
70 #define CONFIG_SYS_USB_OHCI_SLOT_NAME "at91sam9260"
71 #define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS 2
73 #ifdef CONFIG_SYS_USE_DATAFLASH_CS0
75 /* bootstrap + u-boot + env + linux in dataflash on CS0 */
76 #elif defined(CONFIG_SYS_USE_NANDFLASH)
78 /* bootstrap + u-boot + env + linux in nandflash */
80 #else /* CONFIG_SYS_USE_MMC */
81 /* bootstrap + u-boot + env + linux in mmc */
82 /* For FAT system, most cases it should be in the reserved sector */