1 /* SPDX-License-Identifier: GPL-2.0+ */
3 * Configuation settings for the SAM9X60EK board.
5 * Copyright (C) 2018 Microchip Technology Inc. and its subsidiaries
7 * Author: Sandeep Sheriker M <sandeep.sheriker@microchip.com>
13 /* ARM asynchronous clock */
14 #define CONFIG_SYS_AT91_SLOW_CLOCK 32768
15 #define CONFIG_SYS_AT91_MAIN_CLOCK 24000000 /* 24 MHz crystal */
17 #define CONFIG_CMDLINE_TAG /* enable passing of ATAGs */
18 #define CONFIG_SETUP_MEMORY_TAGS
19 #define CONFIG_INITRD_TAG
21 #define CONFIG_USART_BASE ATMEL_BASE_DBGU
22 #define CONFIG_USART_ID 0 /* ignored in arm */
24 /* general purpose I/O */
25 #define CONFIG_ATMEL_LEGACY /* required until (g)pio is fixed */
30 #define CONFIG_BOOTP_BOOTFILESIZE
33 * define CONFIG_USB_EHCI_HCD to enable USB Hi-Speed (aka 2.0)
34 * NB: in this case, USB 1.1 devices won't be recognized.
38 #define CONFIG_SYS_SDRAM_BASE 0x20000000
39 #define CONFIG_SYS_SDRAM_SIZE 0x10000000 /* 256 megs */
41 #define CONFIG_SYS_INIT_SP_ADDR \
42 (CONFIG_SYS_SDRAM_BASE + 16 * 1024 + CONFIG_SYS_MALLOC_F_LEN - \
43 GENERATED_GBL_DATA_SIZE)
46 #ifdef CONFIG_CMD_NAND
47 #define CONFIG_SYS_MAX_NAND_DEVICE 1
48 #define CONFIG_SYS_NAND_BASE 0x40000000
49 #define CONFIG_SYS_NAND_MASK_ALE BIT(21)
50 #define CONFIG_SYS_NAND_MASK_CLE BIT(22)
51 #define CONFIG_SYS_NAND_ENABLE_PIN AT91_PIN_PD4
52 #define CONFIG_SYS_NAND_READY_PIN AT91_PIN_PD5
53 #define CONFIG_SYS_NAND_ONFI_DETECTION
57 /* bootstrap + u-boot + env + linux in sd card */
58 #define CONFIG_BOOTCOMMAND \
59 "fatload mmc 0:1 0x21000000 at91-sam9x60ek.dtb;" \
60 "fatload mmc 0:1 0x22000000 zImage;" \
61 "bootz 0x22000000 - 0x21000000"
63 #elif defined(CONFIG_NAND_BOOT)
64 /* bootstrap + u-boot + env + linux in nandflash */
65 #define CONFIG_BOOTCOMMAND "nand read " \
66 "0x22000000 0x200000 0x600000; " \
67 "nand read 0x21000000 0x180000 0x20000; " \
68 "bootz 0x22000000 - 0x21000000"
70 #elif defined(CONFIG_QSPI_BOOT)
71 /* bootstrap + u-boot + env + linux in SPI NOR flash */
72 #define CONFIG_BOOTCOMMAND "sf probe 0; " \
73 "sf read 0x21000000 0x180000 0x80000; " \
74 "sf read 0x22000000 0x200000 0x600000; " \
75 "bootz 0x22000000 - 0x21000000"
79 * Size of malloc() pool
81 #define CONFIG_SYS_MALLOC_LEN (512 * 1024 + 0x1000)