| /* SPDX-License-Identifier: GPL-2.0+ */ |
| /* |
| * Configuation settings for the SAM9X60EK board. |
| * |
| * Copyright (C) 2018 Microchip Technology Inc. and its subsidiaries |
| * |
| * Author: Sandeep Sheriker M <sandeep.sheriker@microchip.com> |
| */ |
| |
| #ifndef __CONFIG_H__ |
| #define __CONFIG_H__ |
| |
| /* ARM asynchronous clock */ |
| #define CONFIG_SYS_AT91_SLOW_CLOCK 32768 |
| #define CONFIG_SYS_AT91_MAIN_CLOCK 24000000 /* 24 MHz crystal */ |
| |
| #define CONFIG_CMDLINE_TAG /* enable passing of ATAGs */ |
| #define CONFIG_SETUP_MEMORY_TAGS |
| #define CONFIG_INITRD_TAG |
| #define CONFIG_SKIP_LOWLEVEL_INIT |
| |
| #define CONFIG_USART_BASE ATMEL_BASE_DBGU |
| #define CONFIG_USART_ID 0 /* ignored in arm */ |
| |
| /* general purpose I/O */ |
| #define CONFIG_ATMEL_LEGACY /* required until (g)pio is fixed */ |
| |
| /* |
| * BOOTP options |
| */ |
| #define CONFIG_BOOTP_BOOTFILESIZE |
| |
| /* |
| * define CONFIG_USB_EHCI_HCD to enable USB Hi-Speed (aka 2.0) |
| * NB: in this case, USB 1.1 devices won't be recognized. |
| */ |
| |
| /* SDRAM */ |
| #define CONFIG_SYS_SDRAM_BASE 0x20000000 |
| #define CONFIG_SYS_SDRAM_SIZE 0x10000000 /* 256 megs */ |
| |
| #define CONFIG_SYS_INIT_SP_ADDR \ |
| (CONFIG_SYS_SDRAM_BASE + 16 * 1024 + CONFIG_SYS_MALLOC_F_LEN - \ |
| GENERATED_GBL_DATA_SIZE) |
| |
| /* 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 BIT(21) |
| #define CONFIG_SYS_NAND_MASK_CLE BIT(22) |
| #define CONFIG_SYS_NAND_ENABLE_PIN AT91_PIN_PD4 |
| #define CONFIG_SYS_NAND_READY_PIN AT91_PIN_PD5 |
| #define CONFIG_SYS_NAND_ONFI_DETECTION |
| #endif |
| |
| #define CONFIG_SYS_LOAD_ADDR 0x22000000 /* load address */ |
| |
| #ifdef CONFIG_SD_BOOT |
| /* bootstrap + u-boot + env + linux in sd card */ |
| #define CONFIG_BOOTCOMMAND \ |
| "fatload mmc 0:1 0x21000000 at91-sam9x60ek.dtb;" \ |
| "fatload mmc 0:1 0x22000000 zImage;" \ |
| "bootz 0x22000000 - 0x21000000" |
| |
| #elif defined(CONFIG_NAND_BOOT) |
| /* bootstrap + u-boot + env + linux in nandflash */ |
| #define CONFIG_BOOTCOMMAND "nand read " \ |
| "0x22000000 0x200000 0x600000; " \ |
| "nand read 0x21000000 0x180000 0x20000; " \ |
| "bootz 0x22000000 - 0x21000000" |
| |
| #elif defined(CONFIG_QSPI_BOOT) |
| /* bootstrap + u-boot + env + linux in SPI NOR flash */ |
| #define CONFIG_BOOTCOMMAND "sf probe 0; " \ |
| "sf read 0x21000000 0x180000 0x80000; " \ |
| "sf read 0x22000000 0x200000 0x600000; " \ |
| "bootz 0x22000000 - 0x21000000" |
| #endif |
| |
| /* |
| * Size of malloc() pool |
| */ |
| #define CONFIG_SYS_MALLOC_LEN (512 * 1024 + 0x1000) |
| |
| #endif |