1 /* SPDX-License-Identifier: GPL-2.0+ */ 2 /* 3 * Copyright (C) 2012 Atmel Corporation 4 * 5 * Configuation settings for the AT91SAM9X5EK board. 6 */ 7 8 #ifndef __CONFIG_H__ 9 #define __CONFIG_H__ 10 11 /* ARM asynchronous clock */ 12 #define CONFIG_SYS_AT91_SLOW_CLOCK 32768 13 #define CONFIG_SYS_AT91_MAIN_CLOCK 12000000 /* 12 MHz crystal */ 14 15 /* general purpose I/O */ 16 #define CONFIG_ATMEL_LEGACY /* required until (g)pio is fixed */ 17 18 /* 19 * BOOTP options 20 */ 21 #define CONFIG_BOOTP_BOOTFILESIZE 22 23 /* 24 * define CONFIG_USB_EHCI_HCD to enable USB Hi-Speed (aka 2.0) 25 * NB: in this case, USB 1.1 devices won't be recognized. 26 */ 27 28 /* SDRAM */ 29 #define CONFIG_SYS_SDRAM_BASE 0x20000000 30 #define CONFIG_SYS_SDRAM_SIZE 0x08000000 /* 128 megs */ 31 32 #define CONFIG_SYS_INIT_SP_ADDR \ 33 (CONFIG_SYS_SDRAM_BASE + 16 * 1024 - GENERATED_GBL_DATA_SIZE) 34 35 /* DataFlash */ 36 37 /* NAND flash */ 38 #ifdef CONFIG_CMD_NAND 39 #define CONFIG_SYS_MAX_NAND_DEVICE 1 40 #define CONFIG_SYS_NAND_BASE 0x40000000 41 #define CONFIG_SYS_NAND_DBW_8 1 42 /* our ALE is AD21 */ 43 #define CONFIG_SYS_NAND_MASK_ALE (1 << 21) 44 /* our CLE is AD22 */ 45 #define CONFIG_SYS_NAND_MASK_CLE (1 << 22) 46 #define CONFIG_SYS_NAND_ENABLE_PIN AT91_PIN_PD4 47 #define CONFIG_SYS_NAND_READY_PIN AT91_PIN_PD5 48 #endif 49 50 /* USB */ 51 #ifdef CONFIG_CMD_USB 52 #ifndef CONFIG_USB_EHCI_HCD 53 #define CONFIG_USB_ATMEL 54 #define CONFIG_USB_ATMEL_CLK_SEL_UPLL 55 #define CONFIG_USB_OHCI_NEW 56 #define CONFIG_SYS_USB_OHCI_CPU_INIT 57 #define CONFIG_SYS_USB_OHCI_REGS_BASE ATMEL_BASE_OHCI 58 #define CONFIG_SYS_USB_OHCI_SLOT_NAME "at91sam9x5" 59 #define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS 3 60 #endif 61 #endif 62 63 #ifdef CONFIG_NAND_BOOT 64 /* bootstrap + u-boot + env + linux in nandflash */ 65 #define CONFIG_BOOTCOMMAND "nand read " \ 66 "0x22000000 0x200000 0x600000; " \ 67 "nand read 0x21000000 0x180000 0x20000; " \ 68 "bootz 0x22000000 - 0x21000000" 69 #elif defined(CONFIG_SPI_BOOT) 70 /* bootstrap + u-boot + env + linux in spi flash */ 71 #define CONFIG_BOOTCOMMAND "sf probe 0; " \ 72 "sf read 0x22000000 0x100000 0x300000; " \ 73 "bootm 0x22000000" 74 #elif defined(CONFIG_SYS_USE_DATAFLASH) 75 /* bootstrap + u-boot + env + linux in data flash */ 76 #define CONFIG_BOOTCOMMAND "sf probe 0; " \ 77 "sf read 0x22000000 0x84000 0x294000; " \ 78 "bootm 0x22000000" 79 #endif 80 81 /* SPL */ 82 #define CONFIG_SPL_MAX_SIZE 0x6000 83 #define CONFIG_SPL_STACK 0x308000 84 85 #define CONFIG_SPL_BSS_START_ADDR 0x20000000 86 #define CONFIG_SPL_BSS_MAX_SIZE 0x80000 87 #define CONFIG_SYS_SPL_MALLOC_START 0x20080000 88 #define CONFIG_SYS_SPL_MALLOC_SIZE 0x80000 89 90 #define CONFIG_SYS_MONITOR_LEN (512 << 10) 91 92 #define CONFIG_SYS_MASTER_CLOCK 132096000 93 #define CONFIG_SYS_AT91_PLLA 0x20c73f03 94 #define CONFIG_SYS_MCKR 0x1301 95 #define CONFIG_SYS_MCKR_CSS 0x1302 96 97 #ifdef CONFIG_SD_BOOT 98 #define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME "u-boot.img" 99 #endif 100 101 #endif 102