1 /* SPDX-License-Identifier: GPL-2.0+ */ 2 /* 3 * (C) Copyright 2013 Atmel Corporation. 4 * Josh Wu <josh.wu@atmel.com> 5 * 6 * Configuation settings for the AT91SAM9N12-EK boards. 7 */ 8 9 #ifndef __AT91SAM9N12_CONFIG_H_ 10 #define __AT91SAM9N12_CONFIG_H_ 11 12 /* ARM asynchronous clock */ 13 #define CONFIG_SYS_AT91_SLOW_CLOCK 32768 /* slow clock xtal */ 14 #define CONFIG_SYS_AT91_MAIN_CLOCK 16000000 /* main clock xtal */ 15 16 /* Misc CPU related */ 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 /* LCD */ 23 #define LCD_BPP LCD_COLOR16 24 #define LCD_OUTPUT_BPP 24 25 #define CONFIG_LCD_LOGO 26 #define CONFIG_LCD_INFO 27 #define CONFIG_LCD_INFO_BELOW_LOGO 28 #define CONFIG_ATMEL_HLCD 29 #define CONFIG_ATMEL_LCD_RGB565 30 31 /* 32 * BOOTP options 33 */ 34 #define CONFIG_BOOTP_BOOTFILESIZE 35 36 #define CONFIG_SYS_SDRAM_BASE 0x20000000 37 #define CONFIG_SYS_SDRAM_SIZE 0x08000000 38 39 /* 40 * Initial stack pointer: 4k - GENERATED_GBL_DATA_SIZE in internal SRAM, 41 * leaving the correct space for initial global data structure above 42 * that address while providing maximum stack area below. 43 */ 44 # define CONFIG_SYS_INIT_SP_ADDR \ 45 (0x00300000 + 16 * 1024 - GENERATED_GBL_DATA_SIZE) 46 47 /* DataFlash */ 48 49 /* NAND flash */ 50 #ifdef CONFIG_CMD_NAND 51 #define CONFIG_SYS_MAX_NAND_DEVICE 1 52 #define CONFIG_SYS_NAND_BASE 0x40000000 53 #define CONFIG_SYS_NAND_MASK_ALE (1 << 21) 54 #define CONFIG_SYS_NAND_MASK_CLE (1 << 22) 55 #define CONFIG_SYS_NAND_ENABLE_PIN GPIO_PIN_PD(4) 56 #define CONFIG_SYS_NAND_READY_PIN GPIO_PIN_PD(5) 57 #endif 58 59 #define CONFIG_EXTRA_ENV_SETTINGS \ 60 "console=console=ttyS0,115200\0" \ 61 "mtdparts="CONFIG_MTDPARTS_DEFAULT"\0" \ 62 "bootargs_nand=rootfstype=ubifs ubi.mtd=7 root=ubi0:rootfs rw\0"\ 63 "bootargs_mmc=root=/dev/mmcblk0p2 rw rootfstype=ext4 rootwait\0" 64 65 /* Ethernet */ 66 #define CONFIG_KS8851_MLL 67 #define CONFIG_KS8851_MLL_BASEADDR 0x30000000 /* use NCS2 */ 68 69 #define CONFIG_SYS_LOAD_ADDR 0x22000000 /* load address */ 70 71 #define CONFIG_SYS_MEMTEST_START CONFIG_SYS_SDRAM_BASE 72 #define CONFIG_SYS_MEMTEST_END 0x26e00000 73 74 /* USB host */ 75 #ifdef CONFIG_CMD_USB 76 #define CONFIG_USB_ATMEL 77 #define CONFIG_USB_ATMEL_CLK_SEL_PLLB 78 #define CONFIG_USB_OHCI_NEW 79 #define CONFIG_SYS_USB_OHCI_CPU_INIT 80 #define CONFIG_SYS_USB_OHCI_REGS_BASE ATMEL_BASE_OHCI 81 #define CONFIG_SYS_USB_OHCI_SLOT_NAME "at91sam9n12" 82 #define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS 1 83 #endif 84 85 #ifdef CONFIG_SPI_BOOT 86 87 /* bootstrap + u-boot + env + linux in dataflash on CS0 */ 88 #define CONFIG_BOOTCOMMAND \ 89 "setenv bootargs ${console} ${mtdparts} ${bootargs_nand};" \ 90 "sf probe 0; sf read 0x22000000 0x100000 0x300000; " \ 91 "bootm 0x22000000" 92 93 #elif defined(CONFIG_NAND_BOOT) 94 95 /* bootstrap + u-boot + env + linux in nandflash */ 96 #define CONFIG_BOOTCOMMAND \ 97 "setenv bootargs ${console} ${mtdparts} ${bootargs_nand};" \ 98 "nand read 0x21000000 0x180000 0x080000;" \ 99 "nand read 0x22000000 0x200000 0x400000;" \ 100 "bootm 0x22000000 - 0x21000000" 101 102 #else /* CONFIG_SD_BOOT */ 103 104 /* bootstrap + u-boot + env + linux in mmc */ 105 106 #ifdef CONFIG_ENV_IS_IN_MMC 107 /* Use raw reserved sectors to save environment */ 108 #define CONFIG_SYS_MMC_ENV_DEV 0 109 #else 110 /* Use file in FAT file to save environment */ 111 #endif 112 113 #define CONFIG_BOOTCOMMAND \ 114 "setenv bootargs ${console} ${mtdparts} ${bootargs_mmc};" \ 115 "fatload mmc 0:1 0x21000000 dtb;" \ 116 "fatload mmc 0:1 0x22000000 uImage;" \ 117 "bootm 0x22000000 - 0x21000000" 118 119 #endif 120 121 /* 122 * Size of malloc() pool 123 */ 124 #define CONFIG_SYS_MALLOC_LEN (4 * 1024 * 1024) 125 126 /* SPL */ 127 #define CONFIG_SPL_MAX_SIZE 0x6000 128 #define CONFIG_SPL_STACK 0x308000 129 130 #define CONFIG_SPL_BSS_START_ADDR 0x20000000 131 #define CONFIG_SPL_BSS_MAX_SIZE 0x80000 132 #define CONFIG_SYS_SPL_MALLOC_START 0x20080000 133 #define CONFIG_SYS_SPL_MALLOC_SIZE 0x80000 134 135 #define CONFIG_SYS_MONITOR_LEN (512 << 10) 136 137 #define CONFIG_SYS_MASTER_CLOCK 132096000 138 #define CONFIG_SYS_AT91_PLLA 0x20953f03 139 #define CONFIG_SYS_MCKR 0x1301 140 #define CONFIG_SYS_MCKR_CSS 0x1302 141 142 #ifdef CONFIG_SD_BOOT 143 #define CONFIG_SYS_MMCSD_FS_BOOT_PARTITION 1 144 #define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME "u-boot.img" 145 #elif CONFIG_NAND_BOOT 146 #define CONFIG_SPL_NAND_DRIVERS 147 #define CONFIG_SPL_NAND_BASE 148 #endif 149 #define CONFIG_SYS_NAND_U_BOOT_OFFS 0x40000 150 #define CONFIG_SYS_NAND_5_ADDR_CYCLE 151 #define CONFIG_SYS_NAND_PAGE_SIZE 0x800 152 #define CONFIG_SYS_NAND_PAGE_COUNT 64 153 #define CONFIG_SYS_NAND_OOBSIZE 64 154 #define CONFIG_SYS_NAND_BLOCK_SIZE 0x20000 155 #define CONFIG_SYS_NAND_BAD_BLOCK_POS 0x0 156 157 #endif 158