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 #define CONFIG_SYS_CONSOLE_IS_IN_ENV 51 52 53 /* 54 * BOOTP options 55 */ 56 #define CONFIG_BOOTP_BOOTFILESIZE 57 #define CONFIG_BOOTP_BOOTPATH 58 #define CONFIG_BOOTP_GATEWAY 59 #define CONFIG_BOOTP_HOSTNAME 60 61 /* NOR flash - no real flash on this board */ 62 #define CONFIG_SYS_NO_FLASH 63 64 /* 65 * Command line configuration. 66 */ 67 #define CONFIG_CMD_NAND 68 69 #define CONFIG_NR_DRAM_BANKS 1 70 #define CONFIG_SYS_SDRAM_BASE 0x20000000 71 #define CONFIG_SYS_SDRAM_SIZE 0x08000000 72 73 /* 74 * Initial stack pointer: 4k - GENERATED_GBL_DATA_SIZE in internal SRAM, 75 * leaving the correct space for initial global data structure above 76 * that address while providing maximum stack area below. 77 */ 78 # define CONFIG_SYS_INIT_SP_ADDR \ 79 (ATMEL_BASE_SRAM + 0x1000 - GENERATED_GBL_DATA_SIZE) 80 81 /* DataFlash */ 82 #ifdef CONFIG_CMD_SF 83 #define CONFIG_ATMEL_SPI 84 #define CONFIG_SF_DEFAULT_SPEED 30000000 85 #define CONFIG_ENV_SPI_MODE SPI_MODE_3 86 #define CONFIG_SF_DEFAULT_MODE SPI_MODE_3 87 #endif 88 89 /* NAND flash */ 90 #ifdef CONFIG_CMD_NAND 91 #define CONFIG_NAND_ATMEL 92 #define CONFIG_SYS_MAX_NAND_DEVICE 1 93 #define CONFIG_SYS_NAND_BASE 0x40000000 94 #define CONFIG_SYS_NAND_MASK_ALE (1 << 21) 95 #define CONFIG_SYS_NAND_MASK_CLE (1 << 22) 96 #define CONFIG_SYS_NAND_ENABLE_PIN GPIO_PIN_PD(4) 97 #define CONFIG_SYS_NAND_READY_PIN GPIO_PIN_PD(5) 98 99 /* PMECC & PMERRLOC */ 100 #define CONFIG_ATMEL_NAND_HWECC 101 #define CONFIG_ATMEL_NAND_HW_PMECC 102 #define CONFIG_PMECC_CAP 2 103 #define CONFIG_PMECC_SECTOR_SIZE 512 104 #define CONFIG_PMECC_INDEX_TABLE_OFFSET 0x8000 105 106 #define CONFIG_CMD_NAND_TRIMFFS 107 108 #endif 109 110 #define CONFIG_MTD_PARTITIONS 111 #define CONFIG_MTD_DEVICE 112 #define CONFIG_CMD_MTDPARTS 113 #define MTDIDS_DEFAULT "nand0=atmel_nand" 114 #define MTDPARTS_DEFAULT \ 115 "mtdparts=atmel_nand:256k(bootstrap)ro,512k(uboot)ro," \ 116 "256k(env),256k(env_redundant),256k(spare)," \ 117 "512k(dtb),6M(kernel)ro,-(rootfs)" 118 119 #define CONFIG_EXTRA_ENV_SETTINGS \ 120 "console=console=ttyS0,115200\0" \ 121 "mtdparts="MTDPARTS_DEFAULT"\0" \ 122 "bootargs_nand=rootfstype=ubifs ubi.mtd=7 root=ubi0:rootfs rw\0"\ 123 "bootargs_mmc=root=/dev/mmcblk0p2 rw rootfstype=ext4 rootwait\0" 124 125 /* MMC */ 126 #ifdef CONFIG_CMD_MMC 127 #define CONFIG_MMC 128 #define CONFIG_GENERIC_MMC 129 #define CONFIG_GENERIC_ATMEL_MCI 130 #endif 131 132 /* FAT */ 133 #ifdef CONFIG_CMD_FAT 134 #define CONFIG_DOS_PARTITION 135 #endif 136 137 /* Ethernet */ 138 #define CONFIG_KS8851_MLL 139 #define CONFIG_KS8851_MLL_BASEADDR 0x30000000 /* use NCS2 */ 140 141 #define CONFIG_SYS_LOAD_ADDR 0x22000000 /* load address */ 142 143 #define CONFIG_SYS_MEMTEST_START CONFIG_SYS_SDRAM_BASE 144 #define CONFIG_SYS_MEMTEST_END 0x26e00000 145 146 /* USB host */ 147 #ifdef CONFIG_CMD_USB 148 #define CONFIG_USB_ATMEL 149 #define CONFIG_USB_ATMEL_CLK_SEL_PLLB 150 #define CONFIG_USB_OHCI_NEW 151 #define CONFIG_SYS_USB_OHCI_CPU_INIT 152 #define CONFIG_SYS_USB_OHCI_REGS_BASE ATMEL_BASE_OHCI 153 #define CONFIG_SYS_USB_OHCI_SLOT_NAME "at91sam9n12" 154 #define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS 1 155 #endif 156 157 #ifdef CONFIG_SYS_USE_SPIFLASH 158 159 /* bootstrap + u-boot + env + linux in dataflash on CS0 */ 160 #define CONFIG_ENV_IS_IN_SPI_FLASH 161 #define CONFIG_ENV_OFFSET 0x5000 162 #define CONFIG_ENV_SIZE 0x3000 163 #define CONFIG_ENV_SECT_SIZE 0x1000 164 #define CONFIG_BOOTCOMMAND \ 165 "setenv bootargs ${console} ${mtdparts} ${bootargs_nand};" \ 166 "sf probe 0; sf read 0x22000000 0x100000 0x300000; " \ 167 "bootm 0x22000000" 168 169 #elif defined(CONFIG_SYS_USE_NANDFLASH) 170 171 /* bootstrap + u-boot + env + linux in nandflash */ 172 #define CONFIG_ENV_IS_IN_NAND 173 #define CONFIG_ENV_OFFSET 0xc0000 174 #define CONFIG_ENV_OFFSET_REDUND 0x100000 175 #define CONFIG_ENV_SIZE 0x20000 /* 1 sector = 128 kB */ 176 #define CONFIG_BOOTCOMMAND \ 177 "setenv bootargs ${console} ${mtdparts} ${bootargs_nand};" \ 178 "nand read 0x21000000 0x180000 0x080000;" \ 179 "nand read 0x22000000 0x200000 0x400000;" \ 180 "bootm 0x22000000 - 0x21000000" 181 182 #else /* CONFIG_SYS_USE_MMC */ 183 184 /* bootstrap + u-boot + env + linux in mmc */ 185 186 #ifdef CONFIG_ENV_IS_IN_MMC 187 /* Use raw reserved sectors to save environment */ 188 #define CONFIG_ENV_OFFSET 0x2000 189 #define CONFIG_ENV_SIZE 0x1000 190 #define CONFIG_SYS_MMC_ENV_DEV 0 191 #else 192 /* Use file in FAT file to save environment */ 193 #define CONFIG_ENV_IS_IN_FAT 194 #define CONFIG_FAT_WRITE 195 #define FAT_ENV_INTERFACE "mmc" 196 #define FAT_ENV_FILE "uboot.env" 197 #define FAT_ENV_DEVICE_AND_PART "0" 198 #define CONFIG_ENV_SIZE 0x4000 199 #endif 200 201 #define CONFIG_BOOTCOMMAND \ 202 "setenv bootargs ${console} ${mtdparts} ${bootargs_mmc};" \ 203 "fatload mmc 0:1 0x21000000 dtb;" \ 204 "fatload mmc 0:1 0x22000000 uImage;" \ 205 "bootm 0x22000000 - 0x21000000" 206 207 #endif 208 209 #define CONFIG_SYS_CBSIZE 256 210 #define CONFIG_SYS_MAXARGS 16 211 #define CONFIG_SYS_LONGHELP 212 #define CONFIG_CMDLINE_EDITING 213 #define CONFIG_AUTO_COMPLETE 214 215 /* 216 * Size of malloc() pool 217 */ 218 #define CONFIG_SYS_MALLOC_LEN (4 * 1024 * 1024) 219 220 /* SPL */ 221 #define CONFIG_SPL_FRAMEWORK 222 #define CONFIG_SPL_TEXT_BASE 0x300000 223 #define CONFIG_SPL_MAX_SIZE 0x6000 224 #define CONFIG_SPL_STACK 0x308000 225 226 #define CONFIG_SPL_BSS_START_ADDR 0x20000000 227 #define CONFIG_SPL_BSS_MAX_SIZE 0x80000 228 #define CONFIG_SYS_SPL_MALLOC_START 0x20080000 229 #define CONFIG_SYS_SPL_MALLOC_SIZE 0x80000 230 231 #define CONFIG_SPL_BOARD_INIT 232 #define CONFIG_SYS_MONITOR_LEN (512 << 10) 233 234 #define CONFIG_SYS_MASTER_CLOCK 132096000 235 #define CONFIG_SYS_AT91_PLLA 0x20953f03 236 #define CONFIG_SYS_MCKR 0x1301 237 #define CONFIG_SYS_MCKR_CSS 0x1302 238 239 #ifdef CONFIG_SYS_USE_MMC 240 #define CONFIG_SPL_LDSCRIPT arch/arm/mach-at91/arm926ejs/u-boot-spl.lds 241 #define CONFIG_SYS_U_BOOT_MAX_SIZE_SECTORS 0x400 242 #define CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR 0x200 243 #define CONFIG_SYS_MMCSD_FS_BOOT_PARTITION 1 244 #define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME "u-boot.img" 245 246 #elif CONFIG_SYS_USE_NANDFLASH 247 #define CONFIG_SPL_NAND_DRIVERS 248 #define CONFIG_SPL_NAND_BASE 249 #define CONFIG_SYS_NAND_U_BOOT_OFFS 0x40000 250 #define CONFIG_SYS_NAND_5_ADDR_CYCLE 251 #define CONFIG_SYS_NAND_PAGE_SIZE 0x800 252 #define CONFIG_SYS_NAND_PAGE_COUNT 64 253 #define CONFIG_SYS_NAND_OOBSIZE 64 254 #define CONFIG_SYS_NAND_BLOCK_SIZE 0x20000 255 #define CONFIG_SYS_NAND_BAD_BLOCK_POS 0x0 256 #define CONFIG_SPL_GENERATE_ATMEL_PMECC_HEADER 257 258 #elif CONFIG_SYS_USE_SPIFLASH 259 #define CONFIG_SPL_SPI_LOAD 260 #define CONFIG_SYS_SPI_U_BOOT_OFFS 0x8400 261 262 #endif 263 264 #endif 265