1 /* SPDX-License-Identifier: GPL-2.0+ */
3 * Configuation settings for the SAM9X60EK board.
5 * Copyright (C) 2018 Microchip Technology Inc. and its subsidiaries
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
20 #define CONFIG_SKIP_LOWLEVEL_INIT
22 #define CONFIG_USART_BASE ATMEL_BASE_DBGU
23 #define CONFIG_USART_ID 0 /* ignored in arm */
25 /* general purpose I/O */
26 #define CONFIG_ATMEL_LEGACY /* required until (g)pio is fixed */
31 #define CONFIG_BOOTP_BOOTFILESIZE
34 * define CONFIG_USB_EHCI_HCD to enable USB Hi-Speed (aka 2.0)
35 * NB: in this case, USB 1.1 devices won't be recognized.
39 #define CONFIG_SYS_SDRAM_BASE 0x20000000
40 #define CONFIG_SYS_SDRAM_SIZE 0x10000000 /* 256 megs */
42 #define CONFIG_SYS_INIT_SP_ADDR \
43 (CONFIG_SYS_SDRAM_BASE + 16 * 1024 - GENERATED_GBL_DATA_SIZE)
46 #ifdef CONFIG_CMD_NAND
47 #define CONFIG_NAND_ATMEL
48 #define CONFIG_SYS_MAX_NAND_DEVICE 1
49 #define CONFIG_SYS_NAND_BASE 0x40000000
50 #define CONFIG_SYS_NAND_MASK_ALE BIT(21)
51 #define CONFIG_SYS_NAND_MASK_CLE BIT(22)
52 #define CONFIG_SYS_NAND_ENABLE_PIN AT91_PIN_PD4
53 #define CONFIG_SYS_NAND_READY_PIN AT91_PIN_PD5
54 #define CONFIG_SYS_NAND_ONFI_DETECTION
56 #define CONFIG_MTD_DEVICE
59 /* PMECC & PMERRLOC */
60 #define CONFIG_ATMEL_NAND_HWECC
61 #define CONFIG_ATMEL_NAND_HW_PMECC
62 #define CONFIG_PMECC_CAP 8
63 #define CONFIG_PMECC_SECTOR_SIZE 512
65 #define CONFIG_SYS_LOAD_ADDR 0x22000000 /* load address */
68 /* bootstrap + u-boot + env + linux in sd card */
69 #define CONFIG_BOOTCOMMAND \
70 "fatload mmc 0:1 0x21000000 at91-sam9x60ek.dtb;" \
71 "fatload mmc 0:1 0x22000000 zImage;" \
72 "bootz 0x22000000 - 0x21000000"
74 #elif defined(CONFIG_NAND_BOOT)
75 /* bootstrap + u-boot + env + linux in nandflash */
76 #define CONFIG_ENV_OFFSET_REDUND 0x100000
77 #define CONFIG_BOOTCOMMAND "nand read " \
78 "0x22000000 0x200000 0x600000; " \
79 "nand read 0x21000000 0x180000 0x20000; " \
80 "bootz 0x22000000 - 0x21000000"
82 #elif defined(CONFIG_QSPI_BOOT)
83 /* bootstrap + u-boot + env + linux in SPI NOR flash */
84 #define CONFIG_BOOTCOMMAND "sf probe 0; " \
85 "sf read 0x21000000 0x180000 0x80000; " \
86 "sf read 0x22000000 0x200000 0x600000; " \
87 "bootz 0x22000000 - 0x21000000"
91 * Size of malloc() pool
93 #define CONFIG_SYS_MALLOC_LEN (512 * 1024 + 0x1000)