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/* 14 * SoC must be defined first, before hardware.h is included. 15 * In this case SoC is defined in boards.cfg. 16 */ 17#include <asm/hardware.h> 18 19#define CONFIG_SYS_TEXT_BASE 0x26f00000 20 21#define CONFIG_ARM926EJS 22#define CONFIG_AT91FAMILY 23 24/* ARM asynchronous clock */ 25#define CONFIG_SYS_AT91_SLOW_CLOCK 32768 /* slow clock xtal */ 26#define CONFIG_SYS_AT91_MAIN_CLOCK 16000000 /* main clock xtal */ 27 28/* Misc CPU related */ 29#define CONFIG_CMDLINE_TAG /* enable passing of ATAGs */ 30#define CONFIG_SETUP_MEMORY_TAGS 31#define CONFIG_INITRD_TAG 32#define CONFIG_SKIP_LOWLEVEL_INIT 33#define CONFIG_BOARD_EARLY_INIT_F 34#define CONFIG_DISPLAY_CPUINFO 35 36#define CONFIG_OF_LIBFDT 37 38/* general purpose I/O */ 39#define CONFIG_AT91_GPIO 40 41/* serial console */ 42#define CONFIG_ATMEL_USART 43#define CONFIG_USART_BASE ATMEL_BASE_DBGU 44#define CONFIG_USART_ID ATMEL_ID_SYS 45#define CONFIG_BAUDRATE 115200 46 47/* LCD */ 48#define CONFIG_LCD 49#define LCD_BPP LCD_COLOR16 50#define LCD_OUTPUT_BPP 24 51#define CONFIG_LCD_LOGO 52#define CONFIG_LCD_INFO 53#define CONFIG_LCD_INFO_BELOW_LOGO 54#define CONFIG_SYS_WHITE_ON_BLACK 55#define CONFIG_ATMEL_HLCD 56#define CONFIG_ATMEL_LCD_RGB565 57#define CONFIG_SYS_CONSOLE_IS_IN_ENV 58 59#define CONFIG_BOOTDELAY 3 60 61/* 62 * BOOTP options 63 */ 64#define CONFIG_BOOTP_BOOTFILESIZE 65#define CONFIG_BOOTP_BOOTPATH 66#define CONFIG_BOOTP_GATEWAY 67#define CONFIG_BOOTP_HOSTNAME 68 69/* NOR flash - no real flash on this board */ 70#define CONFIG_SYS_NO_FLASH 71 72/* 73 * Command line configuration. 74 */ 75#include <config_cmd_default.h> 76#undef CONFIG_CMD_FPGA 77 78#define CONFIG_CMD_BOOTZ 79#define CONFIG_CMD_PING 80#define CONFIG_CMD_DHCP 81#define CONFIG_CMD_NAND 82#define CONFIG_CMD_SF 83#define CONFIG_CMD_MMC 84#define CONFIG_CMD_FAT 85#define CONFIG_CMD_USB 86 87#define CONFIG_NR_DRAM_BANKS 1 88#define CONFIG_SYS_SDRAM_BASE 0x20000000 89#define CONFIG_SYS_SDRAM_SIZE 0x08000000 90 91/* 92 * Initial stack pointer: 4k - GENERATED_GBL_DATA_SIZE in internal SRAM, 93 * leaving the correct space for initial global data structure above 94 * that address while providing maximum stack area below. 95 */ 96# define CONFIG_SYS_INIT_SP_ADDR \ 97 (ATMEL_BASE_SRAM + 0x1000 - GENERATED_GBL_DATA_SIZE) 98 99/* DataFlash */ 100#ifdef CONFIG_CMD_SF 101#define CONFIG_ATMEL_SPI 102#define CONFIG_SPI_FLASH 103#define CONFIG_SPI_FLASH_ATMEL 104#define CONFIG_SF_DEFAULT_SPEED 30000000 105#define CONFIG_ENV_SPI_MODE SPI_MODE_3 106#define CONFIG_SF_DEFAULT_MODE SPI_MODE_3 107#endif 108 109/* NAND flash */ 110#ifdef CONFIG_CMD_NAND 111#define CONFIG_NAND_ATMEL 112#define CONFIG_SYS_MAX_NAND_DEVICE 1 113#define CONFIG_SYS_NAND_BASE 0x40000000 114#define CONFIG_SYS_NAND_MASK_ALE (1 << 21) 115#define CONFIG_SYS_NAND_MASK_CLE (1 << 22) 116#define CONFIG_SYS_NAND_ENABLE_PIN GPIO_PIN_PD(4) 117#define CONFIG_SYS_NAND_READY_PIN GPIO_PIN_PD(5) 118 119/* PMECC & PMERRLOC */ 120#define CONFIG_ATMEL_NAND_HWECC 121#define CONFIG_ATMEL_NAND_HW_PMECC 122#define CONFIG_PMECC_CAP 2 123#define CONFIG_PMECC_SECTOR_SIZE 512 124#define CONFIG_PMECC_INDEX_TABLE_OFFSET 0x8000 125 126#define CONFIG_CMD_NAND_TRIMFFS 127 128#endif 129 130#define CONFIG_MTD_PARTITIONS 131#define CONFIG_MTD_DEVICE 132#define CONFIG_CMD_MTDPARTS 133#define MTDIDS_DEFAULT "nand0=atmel_nand" 134#define MTDPARTS_DEFAULT \ 135 "mtdparts=atmel_nand:256k(bootstrap)ro,512k(uboot)ro," \ 136 "256k(env),256k(env_redundant),256k(spare)," \ 137 "512k(dtb),6M(kernel)ro,-(rootfs)" 138 139#define CONFIG_EXTRA_ENV_SETTINGS \ 140 "console=console=ttyS0,115200\0" \ 141 "mtdparts="MTDPARTS_DEFAULT"\0" \ 142 "bootargs_nand=rootfstype=ubifs ubi.mtd=7 root=ubi0:rootfs rw\0"\ 143 "bootargs_mmc=root=/dev/mmcblk0p2 rw rootfstype=ext4 rootwait\0" 144 145/* MMC */ 146#ifdef CONFIG_CMD_MMC 147#define CONFIG_MMC 148#define CONFIG_GENERIC_MMC 149#define CONFIG_GENERIC_ATMEL_MCI 150#endif 151 152/* FAT */ 153#ifdef CONFIG_CMD_FAT 154#define CONFIG_DOS_PARTITION 155#endif 156 157/* Ethernet */ 158#define CONFIG_KS8851_MLL 159#define CONFIG_KS8851_MLL_BASEADDR 0x30000000 /* use NCS2 */ 160 161#define CONFIG_SYS_LOAD_ADDR 0x22000000 /* load address */ 162 163#define CONFIG_SYS_MEMTEST_START CONFIG_SYS_SDRAM_BASE 164#define CONFIG_SYS_MEMTEST_END 0x26e00000 165 166/* USB host */ 167#ifdef CONFIG_CMD_USB 168#define CONFIG_USB_ATMEL 169#define CONFIG_USB_ATMEL_CLK_SEL_PLLB 170#define CONFIG_USB_OHCI_NEW 171#define CONFIG_SYS_USB_OHCI_CPU_INIT 172#define CONFIG_SYS_USB_OHCI_REGS_BASE ATMEL_BASE_OHCI 173#define CONFIG_SYS_USB_OHCI_SLOT_NAME "at91sam9n12" 174#define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS 1 175#define CONFIG_USB_STORAGE 176#endif 177 178#ifdef CONFIG_SYS_USE_SPIFLASH 179 180/* bootstrap + u-boot + env + linux in dataflash on CS0 */ 181#define CONFIG_ENV_IS_IN_SPI_FLASH 182#define CONFIG_ENV_OFFSET 0x5000 183#define CONFIG_ENV_SIZE 0x3000 184#define CONFIG_ENV_SECT_SIZE 0x1000 185#define CONFIG_BOOTCOMMAND \ 186 "setenv bootargs ${console} ${mtdparts} ${bootargs_nand};" \ 187 "sf probe 0; sf read 0x22000000 0x100000 0x300000; " \ 188 "bootm 0x22000000" 189 190#elif defined(CONFIG_SYS_USE_NANDFLASH) 191 192/* bootstrap + u-boot + env + linux in nandflash */ 193#define CONFIG_ENV_IS_IN_NAND 194#define CONFIG_ENV_OFFSET 0xc0000 195#define CONFIG_ENV_OFFSET_REDUND 0x100000 196#define CONFIG_ENV_SIZE 0x20000 /* 1 sector = 128 kB */ 197#define CONFIG_BOOTCOMMAND \ 198 "setenv bootargs ${console} ${mtdparts} ${bootargs_nand};" \ 199 "nand read 0x21000000 0x180000 0x080000;" \ 200 "nand read 0x22000000 0x200000 0x400000;" \ 201 "bootm 0x22000000 - 0x21000000" 202 203#else /* CONFIG_SYS_USE_MMC */ 204 205/* bootstrap + u-boot + env + linux in mmc */ 206#define CONFIG_ENV_IS_IN_MMC 207/* For FAT system, most cases it should be in the reserved sector */ 208#define CONFIG_ENV_OFFSET 0x2000 209#define CONFIG_ENV_SIZE 0x1000 210#define CONFIG_SYS_MMC_ENV_DEV 0 211#define CONFIG_BOOTCOMMAND \ 212 "setenv bootargs ${console} ${mtdparts} ${bootargs_mmc};" \ 213 "fatload mmc 0:1 0x21000000 dtb;" \ 214 "fatload mmc 0:1 0x22000000 uImage;" \ 215 "bootm 0x22000000 - 0x21000000" 216 217#endif 218 219#define CONFIG_SYS_PROMPT "U-Boot> " 220#define CONFIG_SYS_CBSIZE 256 221#define CONFIG_SYS_MAXARGS 16 222#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) \ 223 + 16) 224#define CONFIG_SYS_LONGHELP 225#define CONFIG_CMDLINE_EDITING 226#define CONFIG_AUTO_COMPLETE 227#define CONFIG_SYS_HUSH_PARSER 228 229/* 230 * Size of malloc() pool 231 */ 232#define CONFIG_SYS_MALLOC_LEN (4 * 1024 * 1024) 233#define CONFIG_STACKSIZE (32 * 1024) /* regular stack */ 234 235#endif 236