1 /* SPDX-License-Identifier: GPL-2.0+ */ 2 /* 3 * Configuation settings for the SAM9X60EK board. 4 * 5 * Copyright (C) 2018 Microchip Technology Inc. and its subsidiaries 6 * 7 * Author: Sandeep Sheriker M <sandeep.sheriker@microchip.com> 8 */ 9 10 #ifndef __CONFIG_H__ 11 #define __CONFIG_H__ 12 13 /* ARM asynchronous clock */ 14 #define CONFIG_SYS_AT91_SLOW_CLOCK 32768 15 #define CONFIG_SYS_AT91_MAIN_CLOCK 24000000 /* 24 MHz crystal */ 16 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 21 22 #define CONFIG_USART_BASE ATMEL_BASE_DBGU 23 #define CONFIG_USART_ID 0 /* ignored in arm */ 24 25 /* general purpose I/O */ 26 #define CONFIG_ATMEL_LEGACY /* required until (g)pio is fixed */ 27 28 /* 29 * BOOTP options 30 */ 31 #define CONFIG_BOOTP_BOOTFILESIZE 32 33 /* 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. 36 */ 37 38 /* SDRAM */ 39 #define CONFIG_SYS_SDRAM_BASE 0x20000000 40 #define CONFIG_SYS_SDRAM_SIZE 0x10000000 /* 256 megs */ 41 42 #define CONFIG_SYS_INIT_SP_ADDR \ 43 (CONFIG_SYS_SDRAM_BASE + 16 * 1024 + CONFIG_SYS_MALLOC_F_LEN - \ 44 GENERATED_GBL_DATA_SIZE) 45 46 /* NAND flash */ 47 #ifdef CONFIG_CMD_NAND 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 55 #endif 56 57 #define CONFIG_SYS_LOAD_ADDR 0x22000000 /* load address */ 58 59 #ifdef CONFIG_SD_BOOT 60 /* bootstrap + u-boot + env + linux in sd card */ 61 #define CONFIG_BOOTCOMMAND \ 62 "fatload mmc 0:1 0x21000000 at91-sam9x60ek.dtb;" \ 63 "fatload mmc 0:1 0x22000000 zImage;" \ 64 "bootz 0x22000000 - 0x21000000" 65 66 #elif defined(CONFIG_NAND_BOOT) 67 /* bootstrap + u-boot + env + linux in nandflash */ 68 #define CONFIG_BOOTCOMMAND "nand read " \ 69 "0x22000000 0x200000 0x600000; " \ 70 "nand read 0x21000000 0x180000 0x20000; " \ 71 "bootz 0x22000000 - 0x21000000" 72 73 #elif defined(CONFIG_QSPI_BOOT) 74 /* bootstrap + u-boot + env + linux in SPI NOR flash */ 75 #define CONFIG_BOOTCOMMAND "sf probe 0; " \ 76 "sf read 0x21000000 0x180000 0x80000; " \ 77 "sf read 0x22000000 0x200000 0x600000; " \ 78 "bootz 0x22000000 - 0x21000000" 79 #endif 80 81 /* 82 * Size of malloc() pool 83 */ 84 #define CONFIG_SYS_MALLOC_LEN (512 * 1024 + 0x1000) 85 86 #endif 87