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 CFG_SYS_AT91_SLOW_CLOCK 32768
15 #define CFG_SYS_AT91_MAIN_CLOCK 24000000 /* 24 MHz crystal */
17 #define CFG_USART_BASE ATMEL_BASE_DBGU
18 #define CONFIG_USART_ID 0 /* ignored in arm */
21 * define CONFIG_USB_EHCI_HCD to enable USB Hi-Speed (aka 2.0)
22 * NB: in this case, USB 1.1 devices won't be recognized.
26 #define CFG_SYS_SDRAM_BASE 0x20000000
27 #define CFG_SYS_SDRAM_SIZE 0x10000000 /* 256 megs */
30 #ifdef CONFIG_CMD_NAND
31 #define CFG_SYS_NAND_BASE 0x40000000
32 #define CFG_SYS_NAND_MASK_ALE BIT(21)
33 #define CFG_SYS_NAND_MASK_CLE BIT(22)
34 #define CFG_SYS_NAND_ENABLE_PIN AT91_PIN_PD4
35 #define CFG_SYS_NAND_READY_PIN AT91_PIN_PD5