| /* SPDX-License-Identifier: GPL-2.0+ */ |
| /* |
| * (C) Copyright 2013 Atmel Corporation. |
| * Josh Wu <josh.wu@atmel.com> |
| * |
| * Configuation settings for the AT91SAM9N12-EK boards. |
| */ |
| |
| #ifndef __AT91SAM9N12_CONFIG_H_ |
| #define __AT91SAM9N12_CONFIG_H_ |
| |
| /* ARM asynchronous clock */ |
| #define CFG_SYS_AT91_SLOW_CLOCK 32768 /* slow clock xtal */ |
| #define CFG_SYS_AT91_MAIN_CLOCK 16000000 /* main clock xtal */ |
| |
| /* Misc CPU related */ |
| #define CFG_SYS_SDRAM_BASE 0x20000000 |
| #define CFG_SYS_SDRAM_SIZE 0x08000000 |
| |
| /* DataFlash */ |
| |
| /* NAND flash */ |
| #ifdef CONFIG_CMD_NAND |
| #define CFG_SYS_NAND_BASE 0x40000000 |
| #define CFG_SYS_NAND_MASK_ALE (1 << 21) |
| #define CFG_SYS_NAND_MASK_CLE (1 << 22) |
| #define CFG_SYS_NAND_ENABLE_PIN GPIO_PIN_PD(4) |
| #define CFG_SYS_NAND_READY_PIN GPIO_PIN_PD(5) |
| #endif |
| |
| #define CFG_EXTRA_ENV_SETTINGS \ |
| "console=console=ttyS0,115200\0" \ |
| "bootargs_nand=rootfstype=ubifs ubi.mtd=7 root=ubi0:rootfs rw\0"\ |
| "bootargs_mmc=root=/dev/mmcblk0p2 rw rootfstype=ext4 rootwait\0" |
| |
| /* SPL */ |
| |
| #define CFG_SYS_MASTER_CLOCK 132096000 |
| #define CFG_SYS_AT91_PLLA 0x20953f03 |
| #define CFG_SYS_MCKR 0x1301 |
| #define CFG_SYS_MCKR_CSS 0x1302 |
| |
| #endif |
