1 /* 2 * (C) Copyright 2013 Atmel Corporation. 3 * Josh Wu <josh.wu@atmel.com> 4 * 5 * Configuation settings for the AT91SAM9N12-EK boards. 6 * 7 * SPDX-License-Identifier: GPL-2.0+ 8 */ 9 10 #ifndef __AT91SAM9N12_CONFIG_H_ 11 #define __AT91SAM9N12_CONFIG_H_ 12 13 /* ARM asynchronous clock */ 14 #define CONFIG_SYS_AT91_SLOW_CLOCK 32768 /* slow clock xtal */ 15 #define CONFIG_SYS_AT91_MAIN_CLOCK 16000000 /* main clock xtal */ 16 17 /* Misc CPU related */ 18 #define CONFIG_CMDLINE_TAG /* enable passing of ATAGs */ 19 #define CONFIG_SETUP_MEMORY_TAGS 20 #define CONFIG_INITRD_TAG 21 #define CONFIG_SKIP_LOWLEVEL_INIT 22 23 /* LCD */ 24 #define LCD_BPP LCD_COLOR16 25 #define LCD_OUTPUT_BPP 24 26 #define CONFIG_LCD_LOGO 27 #define CONFIG_LCD_INFO 28 #define CONFIG_LCD_INFO_BELOW_LOGO 29 #define CONFIG_ATMEL_HLCD 30 #define CONFIG_ATMEL_LCD_RGB565 31 32 /* 33 * BOOTP options 34 */ 35 #define CONFIG_BOOTP_BOOTFILESIZE 36 37 #define CONFIG_NR_DRAM_BANKS 1 38 #define CONFIG_SYS_SDRAM_BASE 0x20000000 39 #define CONFIG_SYS_SDRAM_SIZE 0x08000000 40 41 /* 42 * Initial stack pointer: 4k - GENERATED_GBL_DATA_SIZE in internal SRAM, 43 * leaving the correct space for initial global data structure above 44 * that address while providing maximum stack area below. 45 */ 46 # define CONFIG_SYS_INIT_SP_ADDR \ 47 (0x00300000 + 16 * 1024 - GENERATED_GBL_DATA_SIZE) 48 49 /* DataFlash */ 50 #ifdef CONFIG_CMD_SF 51 #define CONFIG_SF_DEFAULT_SPEED 30000000 52 #endif 53 54 /* NAND flash */ 55 #ifdef CONFIG_CMD_NAND 56 #define CONFIG_NAND_ATMEL 57 #define CONFIG_SYS_MAX_NAND_DEVICE 1 58 #define CONFIG_SYS_NAND_BASE 0x40000000 59 #define CONFIG_SYS_NAND_MASK_ALE (1 << 21) 60 #define CONFIG_SYS_NAND_MASK_CLE (1 << 22) 61 #define CONFIG_SYS_NAND_ENABLE_PIN GPIO_PIN_PD(4) 62 #define CONFIG_SYS_NAND_READY_PIN GPIO_PIN_PD(5) 63 #endif 64 65 /* PMECC & PMERRLOC */ 66 #define CONFIG_ATMEL_NAND_HWECC 67 #define CONFIG_ATMEL_NAND_HW_PMECC 68 #define CONFIG_PMECC_CAP 2 69 #define CONFIG_PMECC_SECTOR_SIZE 512 70 71 #define CONFIG_MTD_PARTITIONS 72 #define CONFIG_MTD_DEVICE 73 74 #define CONFIG_EXTRA_ENV_SETTINGS \ 75 "console=console=ttyS0,115200\0" \ 76 "mtdparts="CONFIG_MTDPARTS_DEFAULT"\0" \ 77 "bootargs_nand=rootfstype=ubifs ubi.mtd=7 root=ubi0:rootfs rw\0"\ 78 "bootargs_mmc=root=/dev/mmcblk0p2 rw rootfstype=ext4 rootwait\0" 79 80 /* Ethernet */ 81 #define CONFIG_KS8851_MLL 82 #define CONFIG_KS8851_MLL_BASEADDR 0x30000000 /* use NCS2 */ 83 84 #define CONFIG_SYS_LOAD_ADDR 0x22000000 /* load address */ 85 86 #define CONFIG_SYS_MEMTEST_START CONFIG_SYS_SDRAM_BASE 87 #define CONFIG_SYS_MEMTEST_END 0x26e00000 88 89 /* USB host */ 90 #ifdef CONFIG_CMD_USB 91 #define CONFIG_USB_ATMEL 92 #define CONFIG_USB_ATMEL_CLK_SEL_PLLB 93 #define CONFIG_USB_OHCI_NEW 94 #define CONFIG_SYS_USB_OHCI_CPU_INIT 95 #define CONFIG_SYS_USB_OHCI_REGS_BASE ATMEL_BASE_OHCI 96 #define CONFIG_SYS_USB_OHCI_SLOT_NAME "at91sam9n12" 97 #define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS 1 98 #endif 99 100 #ifdef CONFIG_SPI_BOOT 101 102 /* bootstrap + u-boot + env + linux in dataflash on CS0 */ 103 #define CONFIG_ENV_OFFSET 0x5000 104 #define CONFIG_ENV_SIZE 0x3000 105 #define CONFIG_ENV_SECT_SIZE 0x1000 106 #define CONFIG_BOOTCOMMAND \ 107 "setenv bootargs ${console} ${mtdparts} ${bootargs_nand};" \ 108 "sf probe 0; sf read 0x22000000 0x100000 0x300000; " \ 109 "bootm 0x22000000" 110 111 #elif defined(CONFIG_NAND_BOOT) 112 113 /* bootstrap + u-boot + env + linux in nandflash */ 114 #define CONFIG_ENV_OFFSET 0x120000 115 #define CONFIG_ENV_OFFSET_REDUND 0x100000 116 #define CONFIG_ENV_SIZE 0x20000 /* 1 sector = 128 kB */ 117 #define CONFIG_BOOTCOMMAND \ 118 "setenv bootargs ${console} ${mtdparts} ${bootargs_nand};" \ 119 "nand read 0x21000000 0x180000 0x080000;" \ 120 "nand read 0x22000000 0x200000 0x400000;" \ 121 "bootm 0x22000000 - 0x21000000" 122 123 #else /* CONFIG_SD_BOOT */ 124 125 /* bootstrap + u-boot + env + linux in mmc */ 126 127 #ifdef CONFIG_ENV_IS_IN_MMC 128 /* Use raw reserved sectors to save environment */ 129 #define CONFIG_ENV_OFFSET 0x2000 130 #define CONFIG_ENV_SIZE 0x1000 131 #define CONFIG_SYS_MMC_ENV_DEV 0 132 #else 133 /* Use file in FAT file to save environment */ 134 #define CONFIG_ENV_SIZE 0x4000 135 #endif 136 137 #define CONFIG_BOOTCOMMAND \ 138 "setenv bootargs ${console} ${mtdparts} ${bootargs_mmc};" \ 139 "fatload mmc 0:1 0x21000000 dtb;" \ 140 "fatload mmc 0:1 0x22000000 uImage;" \ 141 "bootm 0x22000000 - 0x21000000" 142 143 #endif 144 145 /* 146 * Size of malloc() pool 147 */ 148 #define CONFIG_SYS_MALLOC_LEN (4 * 1024 * 1024) 149 150 /* SPL */ 151 #define CONFIG_SPL_TEXT_BASE 0x300000 152 #define CONFIG_SPL_MAX_SIZE 0x6000 153 #define CONFIG_SPL_STACK 0x308000 154 155 #define CONFIG_SPL_BSS_START_ADDR 0x20000000 156 #define CONFIG_SPL_BSS_MAX_SIZE 0x80000 157 #define CONFIG_SYS_SPL_MALLOC_START 0x20080000 158 #define CONFIG_SYS_SPL_MALLOC_SIZE 0x80000 159 160 #define CONFIG_SYS_MONITOR_LEN (512 << 10) 161 162 #define CONFIG_SYS_MASTER_CLOCK 132096000 163 #define CONFIG_SYS_AT91_PLLA 0x20953f03 164 #define CONFIG_SYS_MCKR 0x1301 165 #define CONFIG_SYS_MCKR_CSS 0x1302 166 167 #ifdef CONFIG_SD_BOOT 168 #define CONFIG_SYS_MMCSD_FS_BOOT_PARTITION 1 169 #define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME "u-boot.img" 170 171 #elif CONFIG_SYS_USE_NANDFLASH 172 #elif CONFIG_SPI_BOOT 173 #define CONFIG_SPL_SPI_LOAD 174 #define CONFIG_SYS_SPI_U_BOOT_OFFS 0x8400 175 176 #elif CONFIG_NAND_BOOT 177 #define CONFIG_SPL_NAND_DRIVERS 178 #define CONFIG_SPL_NAND_BASE 179 #endif 180 #define CONFIG_SYS_NAND_U_BOOT_OFFS 0x40000 181 #define CONFIG_SYS_NAND_5_ADDR_CYCLE 182 #define CONFIG_SYS_NAND_PAGE_SIZE 0x800 183 #define CONFIG_SYS_NAND_PAGE_COUNT 64 184 #define CONFIG_SYS_NAND_OOBSIZE 64 185 #define CONFIG_SYS_NAND_BLOCK_SIZE 0x20000 186 #define CONFIG_SYS_NAND_BAD_BLOCK_POS 0x0 187 #define CONFIG_SPL_GENERATE_ATMEL_PMECC_HEADER 188 189 #endif 190