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 /* ARM asynchronous clock */ 22 #define CONFIG_SYS_AT91_SLOW_CLOCK 32768 /* slow clock xtal */ 23 #define CONFIG_SYS_AT91_MAIN_CLOCK 16000000 /* main clock xtal */ 24 25 /* Misc CPU related */ 26 #define CONFIG_CMDLINE_TAG /* enable passing of ATAGs */ 27 #define CONFIG_SETUP_MEMORY_TAGS 28 #define CONFIG_INITRD_TAG 29 #define CONFIG_SKIP_LOWLEVEL_INIT 30 #define CONFIG_BOARD_EARLY_INIT_F 31 32 /* general purpose I/O */ 33 #define CONFIG_AT91_GPIO 34 35 /* serial console */ 36 #define CONFIG_ATMEL_USART 37 #define CONFIG_USART_BASE ATMEL_BASE_DBGU 38 #define CONFIG_USART_ID ATMEL_ID_SYS 39 #define CONFIG_BAUDRATE 115200 40 41 /* LCD */ 42 #define LCD_BPP LCD_COLOR16 43 #define LCD_OUTPUT_BPP 24 44 #define CONFIG_LCD_LOGO 45 #define CONFIG_LCD_INFO 46 #define CONFIG_LCD_INFO_BELOW_LOGO 47 #define CONFIG_SYS_WHITE_ON_BLACK 48 #define CONFIG_ATMEL_HLCD 49 #define CONFIG_ATMEL_LCD_RGB565 50 51 52 /* 53 * BOOTP options 54 */ 55 #define CONFIG_BOOTP_BOOTFILESIZE 56 #define CONFIG_BOOTP_BOOTPATH 57 #define CONFIG_BOOTP_GATEWAY 58 #define CONFIG_BOOTP_HOSTNAME 59 60 /* NOR flash - no real flash on this board */ 61 #define CONFIG_SYS_NO_FLASH 62 63 /* 64 * Command line configuration. 65 */ 66 #define CONFIG_CMD_NAND 67 68 #define CONFIG_NR_DRAM_BANKS 1 69 #define CONFIG_SYS_SDRAM_BASE 0x20000000 70 #define CONFIG_SYS_SDRAM_SIZE 0x08000000 71 72 /* 73 * Initial stack pointer: 4k - GENERATED_GBL_DATA_SIZE in internal SRAM, 74 * leaving the correct space for initial global data structure above 75 * that address while providing maximum stack area below. 76 */ 77 # define CONFIG_SYS_INIT_SP_ADDR \ 78 (ATMEL_BASE_SRAM + 0x1000 - GENERATED_GBL_DATA_SIZE) 79 80 /* DataFlash */ 81 #ifdef CONFIG_CMD_SF 82 #define CONFIG_ATMEL_SPI 83 #define CONFIG_SF_DEFAULT_SPEED 30000000 84 #define CONFIG_ENV_SPI_MODE SPI_MODE_3 85 #define CONFIG_SF_DEFAULT_MODE SPI_MODE_3 86 #endif 87 88 /* NAND flash */ 89 #ifdef CONFIG_CMD_NAND 90 #define CONFIG_NAND_ATMEL 91 #define CONFIG_SYS_MAX_NAND_DEVICE 1 92 #define CONFIG_SYS_NAND_BASE 0x40000000 93 #define CONFIG_SYS_NAND_MASK_ALE (1 << 21) 94 #define CONFIG_SYS_NAND_MASK_CLE (1 << 22) 95 #define CONFIG_SYS_NAND_ENABLE_PIN GPIO_PIN_PD(4) 96 #define CONFIG_SYS_NAND_READY_PIN GPIO_PIN_PD(5) 97 98 /* PMECC & PMERRLOC */ 99 #define CONFIG_ATMEL_NAND_HWECC 100 #define CONFIG_ATMEL_NAND_HW_PMECC 101 #define CONFIG_PMECC_CAP 2 102 #define CONFIG_PMECC_SECTOR_SIZE 512 103 #define CONFIG_PMECC_INDEX_TABLE_OFFSET 0x8000 104 105 #define CONFIG_CMD_NAND_TRIMFFS 106 107 #endif 108 109 #define CONFIG_MTD_PARTITIONS 110 #define CONFIG_MTD_DEVICE 111 #define CONFIG_CMD_MTDPARTS 112 #define MTDIDS_DEFAULT "nand0=atmel_nand" 113 #define MTDPARTS_DEFAULT \ 114 "mtdparts=atmel_nand:256k(bootstrap)ro,512k(uboot)ro," \ 115 "256k(env),256k(env_redundant),256k(spare)," \ 116 "512k(dtb),6M(kernel)ro,-(rootfs)" 117 118 #define CONFIG_EXTRA_ENV_SETTINGS \ 119 "console=console=ttyS0,115200\0" \ 120 "mtdparts="MTDPARTS_DEFAULT"\0" \ 121 "bootargs_nand=rootfstype=ubifs ubi.mtd=7 root=ubi0:rootfs rw\0"\ 122 "bootargs_mmc=root=/dev/mmcblk0p2 rw rootfstype=ext4 rootwait\0" 123 124 /* MMC */ 125 #ifdef CONFIG_CMD_MMC 126 #define CONFIG_MMC 127 #define CONFIG_GENERIC_MMC 128 #define CONFIG_GENERIC_ATMEL_MCI 129 #endif 130 131 /* FAT */ 132 #ifdef CONFIG_CMD_FAT 133 #define CONFIG_DOS_PARTITION 134 #endif 135 136 /* Ethernet */ 137 #define CONFIG_KS8851_MLL 138 #define CONFIG_KS8851_MLL_BASEADDR 0x30000000 /* use NCS2 */ 139 140 #define CONFIG_SYS_LOAD_ADDR 0x22000000 /* load address */ 141 142 #define CONFIG_SYS_MEMTEST_START CONFIG_SYS_SDRAM_BASE 143 #define CONFIG_SYS_MEMTEST_END 0x26e00000 144 145 /* USB host */ 146 #ifdef CONFIG_CMD_USB 147 #define CONFIG_USB_ATMEL 148 #define CONFIG_USB_ATMEL_CLK_SEL_PLLB 149 #define CONFIG_USB_OHCI_NEW 150 #define CONFIG_SYS_USB_OHCI_CPU_INIT 151 #define CONFIG_SYS_USB_OHCI_REGS_BASE ATMEL_BASE_OHCI 152 #define CONFIG_SYS_USB_OHCI_SLOT_NAME "at91sam9n12" 153 #define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS 1 154 #endif 155 156 #ifdef CONFIG_SYS_USE_SPIFLASH 157 158 /* bootstrap + u-boot + env + linux in dataflash on CS0 */ 159 #define CONFIG_ENV_IS_IN_SPI_FLASH 160 #define CONFIG_ENV_OFFSET 0x5000 161 #define CONFIG_ENV_SIZE 0x3000 162 #define CONFIG_ENV_SECT_SIZE 0x1000 163 #define CONFIG_BOOTCOMMAND \ 164 "setenv bootargs ${console} ${mtdparts} ${bootargs_nand};" \ 165 "sf probe 0; sf read 0x22000000 0x100000 0x300000; " \ 166 "bootm 0x22000000" 167 168 #elif defined(CONFIG_SYS_USE_NANDFLASH) 169 170 /* bootstrap + u-boot + env + linux in nandflash */ 171 #define CONFIG_ENV_IS_IN_NAND 172 #define CONFIG_ENV_OFFSET 0xc0000 173 #define CONFIG_ENV_OFFSET_REDUND 0x100000 174 #define CONFIG_ENV_SIZE 0x20000 /* 1 sector = 128 kB */ 175 #define CONFIG_BOOTCOMMAND \ 176 "setenv bootargs ${console} ${mtdparts} ${bootargs_nand};" \ 177 "nand read 0x21000000 0x180000 0x080000;" \ 178 "nand read 0x22000000 0x200000 0x400000;" \ 179 "bootm 0x22000000 - 0x21000000" 180 181 #else /* CONFIG_SYS_USE_MMC */ 182 183 /* bootstrap + u-boot + env + linux in mmc */ 184 185 #ifdef CONFIG_ENV_IS_IN_MMC 186 /* Use raw reserved sectors to save environment */ 187 #define CONFIG_ENV_OFFSET 0x2000 188 #define CONFIG_ENV_SIZE 0x1000 189 #define CONFIG_SYS_MMC_ENV_DEV 0 190 #else 191 /* Use file in FAT file to save environment */ 192 #define CONFIG_ENV_IS_IN_FAT 193 #define CONFIG_FAT_WRITE 194 #define FAT_ENV_INTERFACE "mmc" 195 #define FAT_ENV_FILE "uboot.env" 196 #define FAT_ENV_DEVICE_AND_PART "0" 197 #define CONFIG_ENV_SIZE 0x4000 198 #endif 199 200 #define CONFIG_BOOTCOMMAND \ 201 "setenv bootargs ${console} ${mtdparts} ${bootargs_mmc};" \ 202 "fatload mmc 0:1 0x21000000 dtb;" \ 203 "fatload mmc 0:1 0x22000000 uImage;" \ 204 "bootm 0x22000000 - 0x21000000" 205 206 #endif 207 208 #define CONFIG_SYS_CBSIZE 256 209 #define CONFIG_SYS_MAXARGS 16 210 #define CONFIG_SYS_LONGHELP 211 #define CONFIG_CMDLINE_EDITING 212 #define CONFIG_AUTO_COMPLETE 213 214 /* 215 * Size of malloc() pool 216 */ 217 #define CONFIG_SYS_MALLOC_LEN (4 * 1024 * 1024) 218 219 /* SPL */ 220 #define CONFIG_SPL_FRAMEWORK 221 #define CONFIG_SPL_TEXT_BASE 0x300000 222 #define CONFIG_SPL_MAX_SIZE 0x6000 223 #define CONFIG_SPL_STACK 0x308000 224 225 #define CONFIG_SPL_BSS_START_ADDR 0x20000000 226 #define CONFIG_SPL_BSS_MAX_SIZE 0x80000 227 #define CONFIG_SYS_SPL_MALLOC_START 0x20080000 228 #define CONFIG_SYS_SPL_MALLOC_SIZE 0x80000 229 230 #define CONFIG_SPL_BOARD_INIT 231 #define CONFIG_SYS_MONITOR_LEN (512 << 10) 232 233 #define CONFIG_SYS_MASTER_CLOCK 132096000 234 #define CONFIG_SYS_AT91_PLLA 0x20953f03 235 #define CONFIG_SYS_MCKR 0x1301 236 #define CONFIG_SYS_MCKR_CSS 0x1302 237 238 #ifdef CONFIG_SYS_USE_MMC 239 #define CONFIG_SPL_LDSCRIPT arch/arm/mach-at91/arm926ejs/u-boot-spl.lds 240 #define CONFIG_SYS_U_BOOT_MAX_SIZE_SECTORS 0x400 241 #define CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR 0x200 242 #define CONFIG_SYS_MMCSD_FS_BOOT_PARTITION 1 243 #define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME "u-boot.img" 244 245 #elif CONFIG_SYS_USE_NANDFLASH 246 #define CONFIG_SPL_NAND_DRIVERS 247 #define CONFIG_SPL_NAND_BASE 248 #define CONFIG_SYS_NAND_U_BOOT_OFFS 0x40000 249 #define CONFIG_SYS_NAND_5_ADDR_CYCLE 250 #define CONFIG_SYS_NAND_PAGE_SIZE 0x800 251 #define CONFIG_SYS_NAND_PAGE_COUNT 64 252 #define CONFIG_SYS_NAND_OOBSIZE 64 253 #define CONFIG_SYS_NAND_BLOCK_SIZE 0x20000 254 #define CONFIG_SYS_NAND_BAD_BLOCK_POS 0x0 255 #define CONFIG_SPL_GENERATE_ATMEL_PMECC_HEADER 256 257 #elif CONFIG_SYS_USE_SPIFLASH 258 #define CONFIG_SPL_SPI_LOAD 259 #define CONFIG_SYS_SPI_U_BOOT_OFFS 0x8400 260 261 #endif 262 263 #endif 264