| /* 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 CONFIG_SYS_AT91_SLOW_CLOCK 32768 /* slow clock xtal */ |
| #define CONFIG_SYS_AT91_MAIN_CLOCK 16000000 /* main clock xtal */ |
| |
| /* Misc CPU related */ |
| |
| /* LCD */ |
| #define LCD_BPP LCD_COLOR16 |
| #define LCD_OUTPUT_BPP 24 |
| |
| #define CONFIG_SYS_SDRAM_BASE 0x20000000 |
| #define CONFIG_SYS_SDRAM_SIZE 0x08000000 |
| |
| /* |
| * Initial stack pointer: 4k - GENERATED_GBL_DATA_SIZE in internal SRAM, |
| * leaving the correct space for initial global data structure above |
| * that address while providing maximum stack area below. |
| */ |
| # define CONFIG_SYS_INIT_SP_ADDR \ |
| (0x00300000 + 16 * 1024 - GENERATED_GBL_DATA_SIZE) |
| |
| /* DataFlash */ |
| |
| /* NAND flash */ |
| #ifdef CONFIG_CMD_NAND |
| #define CONFIG_SYS_MAX_NAND_DEVICE 1 |
| #define CONFIG_SYS_NAND_BASE 0x40000000 |
| #define CONFIG_SYS_NAND_MASK_ALE (1 << 21) |
| #define CONFIG_SYS_NAND_MASK_CLE (1 << 22) |
| #define CONFIG_SYS_NAND_ENABLE_PIN GPIO_PIN_PD(4) |
| #define CONFIG_SYS_NAND_READY_PIN GPIO_PIN_PD(5) |
| #endif |
| |
| #define CONFIG_EXTRA_ENV_SETTINGS \ |
| "console=console=ttyS0,115200\0" \ |
| "mtdparts="CONFIG_MTDPARTS_DEFAULT"\0" \ |
| "bootargs_nand=rootfstype=ubifs ubi.mtd=7 root=ubi0:rootfs rw\0"\ |
| "bootargs_mmc=root=/dev/mmcblk0p2 rw rootfstype=ext4 rootwait\0" |
| |
| /* USB host */ |
| #ifdef CONFIG_CMD_USB |
| #define CONFIG_USB_ATMEL |
| #define CONFIG_USB_ATMEL_CLK_SEL_PLLB |
| #define CONFIG_USB_OHCI_NEW |
| #define CONFIG_SYS_USB_OHCI_CPU_INIT |
| #define CONFIG_SYS_USB_OHCI_REGS_BASE ATMEL_BASE_OHCI |
| #define CONFIG_SYS_USB_OHCI_SLOT_NAME "at91sam9n12" |
| #define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS 1 |
| #endif |
| |
| #ifdef CONFIG_SPI_BOOT |
| |
| /* bootstrap + u-boot + env + linux in dataflash on CS0 */ |
| |
| #elif defined(CONFIG_NAND_BOOT) |
| |
| /* bootstrap + u-boot + env + linux in nandflash */ |
| #endif |
| |
| /* SPL */ |
| #define CONFIG_SPL_MAX_SIZE 0x6000 |
| #define CONFIG_SPL_STACK 0x308000 |
| |
| #define CONFIG_SPL_BSS_START_ADDR 0x20000000 |
| #define CONFIG_SPL_BSS_MAX_SIZE 0x80000 |
| #define CONFIG_SYS_SPL_MALLOC_START 0x20080000 |
| #define CONFIG_SYS_SPL_MALLOC_SIZE 0x80000 |
| |
| #define CONFIG_SYS_MONITOR_LEN (512 << 10) |
| |
| #define CONFIG_SYS_MASTER_CLOCK 132096000 |
| #define CONFIG_SYS_AT91_PLLA 0x20953f03 |
| #define CONFIG_SYS_MCKR 0x1301 |
| #define CONFIG_SYS_MCKR_CSS 0x1302 |
| |
| #ifdef CONFIG_SD_BOOT |
| #define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME "u-boot.img" |
| #endif |
| |
| #endif |