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 #define CONFIG_DISPLAY_CPUINFO 32 33 /* general purpose I/O */ 34 #define CONFIG_AT91_GPIO 35 36 /* serial console */ 37 #define CONFIG_ATMEL_USART 38 #define CONFIG_USART_BASE ATMEL_BASE_DBGU 39 #define CONFIG_USART_ID ATMEL_ID_SYS 40 #define CONFIG_BAUDRATE 115200 41 42 /* LCD */ 43 #define CONFIG_LCD 44 #define LCD_BPP LCD_COLOR16 45 #define LCD_OUTPUT_BPP 24 46 #define CONFIG_LCD_LOGO 47 #define CONFIG_LCD_INFO 48 #define CONFIG_LCD_INFO_BELOW_LOGO 49 #define CONFIG_SYS_WHITE_ON_BLACK 50 #define CONFIG_ATMEL_HLCD 51 #define CONFIG_ATMEL_LCD_RGB565 52 #define CONFIG_SYS_CONSOLE_IS_IN_ENV 53 54 55 /* 56 * BOOTP options 57 */ 58 #define CONFIG_BOOTP_BOOTFILESIZE 59 #define CONFIG_BOOTP_BOOTPATH 60 #define CONFIG_BOOTP_GATEWAY 61 #define CONFIG_BOOTP_HOSTNAME 62 63 /* NOR flash - no real flash on this board */ 64 #define CONFIG_SYS_NO_FLASH 65 66 /* 67 * Command line configuration. 68 */ 69 #define CONFIG_CMD_NAND 70 71 #define CONFIG_NR_DRAM_BANKS 1 72 #define CONFIG_SYS_SDRAM_BASE 0x20000000 73 #define CONFIG_SYS_SDRAM_SIZE 0x08000000 74 75 /* 76 * Initial stack pointer: 4k - GENERATED_GBL_DATA_SIZE in internal SRAM, 77 * leaving the correct space for initial global data structure above 78 * that address while providing maximum stack area below. 79 */ 80 # define CONFIG_SYS_INIT_SP_ADDR \ 81 (ATMEL_BASE_SRAM + 0x1000 - GENERATED_GBL_DATA_SIZE) 82 83 /* DataFlash */ 84 #ifdef CONFIG_CMD_SF 85 #define CONFIG_ATMEL_SPI 86 #define CONFIG_SF_DEFAULT_SPEED 30000000 87 #define CONFIG_ENV_SPI_MODE SPI_MODE_3 88 #define CONFIG_SF_DEFAULT_MODE SPI_MODE_3 89 #endif 90 91 /* NAND flash */ 92 #ifdef CONFIG_CMD_NAND 93 #define CONFIG_NAND_ATMEL 94 #define CONFIG_SYS_MAX_NAND_DEVICE 1 95 #define CONFIG_SYS_NAND_BASE 0x40000000 96 #define CONFIG_SYS_NAND_MASK_ALE (1 << 21) 97 #define CONFIG_SYS_NAND_MASK_CLE (1 << 22) 98 #define CONFIG_SYS_NAND_ENABLE_PIN GPIO_PIN_PD(4) 99 #define CONFIG_SYS_NAND_READY_PIN GPIO_PIN_PD(5) 100 101 /* PMECC & PMERRLOC */ 102 #define CONFIG_ATMEL_NAND_HWECC 103 #define CONFIG_ATMEL_NAND_HW_PMECC 104 #define CONFIG_PMECC_CAP 2 105 #define CONFIG_PMECC_SECTOR_SIZE 512 106 #define CONFIG_PMECC_INDEX_TABLE_OFFSET 0x8000 107 108 #define CONFIG_CMD_NAND_TRIMFFS 109 110 #endif 111 112 #define CONFIG_MTD_PARTITIONS 113 #define CONFIG_MTD_DEVICE 114 #define CONFIG_CMD_MTDPARTS 115 #define MTDIDS_DEFAULT "nand0=atmel_nand" 116 #define MTDPARTS_DEFAULT \ 117 "mtdparts=atmel_nand:256k(bootstrap)ro,512k(uboot)ro," \ 118 "256k(env),256k(env_redundant),256k(spare)," \ 119 "512k(dtb),6M(kernel)ro,-(rootfs)" 120 121 #define CONFIG_EXTRA_ENV_SETTINGS \ 122 "console=console=ttyS0,115200\0" \ 123 "mtdparts="MTDPARTS_DEFAULT"\0" \ 124 "bootargs_nand=rootfstype=ubifs ubi.mtd=7 root=ubi0:rootfs rw\0"\ 125 "bootargs_mmc=root=/dev/mmcblk0p2 rw rootfstype=ext4 rootwait\0" 126 127 /* MMC */ 128 #ifdef CONFIG_CMD_MMC 129 #define CONFIG_MMC 130 #define CONFIG_GENERIC_MMC 131 #define CONFIG_GENERIC_ATMEL_MCI 132 #endif 133 134 /* FAT */ 135 #ifdef CONFIG_CMD_FAT 136 #define CONFIG_DOS_PARTITION 137 #endif 138 139 /* Ethernet */ 140 #define CONFIG_KS8851_MLL 141 #define CONFIG_KS8851_MLL_BASEADDR 0x30000000 /* use NCS2 */ 142 143 #define CONFIG_SYS_LOAD_ADDR 0x22000000 /* load address */ 144 145 #define CONFIG_SYS_MEMTEST_START CONFIG_SYS_SDRAM_BASE 146 #define CONFIG_SYS_MEMTEST_END 0x26e00000 147 148 /* USB host */ 149 #ifdef CONFIG_CMD_USB 150 #define CONFIG_USB_ATMEL 151 #define CONFIG_USB_ATMEL_CLK_SEL_PLLB 152 #define CONFIG_USB_OHCI_NEW 153 #define CONFIG_SYS_USB_OHCI_CPU_INIT 154 #define CONFIG_SYS_USB_OHCI_REGS_BASE ATMEL_BASE_OHCI 155 #define CONFIG_SYS_USB_OHCI_SLOT_NAME "at91sam9n12" 156 #define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS 1 157 #endif 158 159 #ifdef CONFIG_SYS_USE_SPIFLASH 160 161 /* bootstrap + u-boot + env + linux in dataflash on CS0 */ 162 #define CONFIG_ENV_IS_IN_SPI_FLASH 163 #define CONFIG_ENV_OFFSET 0x5000 164 #define CONFIG_ENV_SIZE 0x3000 165 #define CONFIG_ENV_SECT_SIZE 0x1000 166 #define CONFIG_BOOTCOMMAND \ 167 "setenv bootargs ${console} ${mtdparts} ${bootargs_nand};" \ 168 "sf probe 0; sf read 0x22000000 0x100000 0x300000; " \ 169 "bootm 0x22000000" 170 171 #elif defined(CONFIG_SYS_USE_NANDFLASH) 172 173 /* bootstrap + u-boot + env + linux in nandflash */ 174 #define CONFIG_ENV_IS_IN_NAND 175 #define CONFIG_ENV_OFFSET 0xc0000 176 #define CONFIG_ENV_OFFSET_REDUND 0x100000 177 #define CONFIG_ENV_SIZE 0x20000 /* 1 sector = 128 kB */ 178 #define CONFIG_BOOTCOMMAND \ 179 "setenv bootargs ${console} ${mtdparts} ${bootargs_nand};" \ 180 "nand read 0x21000000 0x180000 0x080000;" \ 181 "nand read 0x22000000 0x200000 0x400000;" \ 182 "bootm 0x22000000 - 0x21000000" 183 184 #else /* CONFIG_SYS_USE_MMC */ 185 186 /* bootstrap + u-boot + env + linux in mmc */ 187 188 #ifdef CONFIG_ENV_IS_IN_MMC 189 /* Use raw reserved sectors to save environment */ 190 #define CONFIG_ENV_OFFSET 0x2000 191 #define CONFIG_ENV_SIZE 0x1000 192 #define CONFIG_SYS_MMC_ENV_DEV 0 193 #else 194 /* Use file in FAT file to save environment */ 195 #define CONFIG_ENV_IS_IN_FAT 196 #define CONFIG_FAT_WRITE 197 #define FAT_ENV_INTERFACE "mmc" 198 #define FAT_ENV_FILE "uboot.env" 199 #define FAT_ENV_DEVICE_AND_PART "0" 200 #define CONFIG_ENV_SIZE 0x4000 201 #endif 202 203 #define CONFIG_BOOTCOMMAND \ 204 "setenv bootargs ${console} ${mtdparts} ${bootargs_mmc};" \ 205 "fatload mmc 0:1 0x21000000 dtb;" \ 206 "fatload mmc 0:1 0x22000000 uImage;" \ 207 "bootm 0x22000000 - 0x21000000" 208 209 #endif 210 211 #define CONFIG_SYS_CBSIZE 256 212 #define CONFIG_SYS_MAXARGS 16 213 #define CONFIG_SYS_LONGHELP 214 #define CONFIG_CMDLINE_EDITING 215 #define CONFIG_AUTO_COMPLETE 216 217 /* 218 * Size of malloc() pool 219 */ 220 #define CONFIG_SYS_MALLOC_LEN (4 * 1024 * 1024) 221 222 /* SPL */ 223 #define CONFIG_SPL_FRAMEWORK 224 #define CONFIG_SPL_TEXT_BASE 0x300000 225 #define CONFIG_SPL_MAX_SIZE 0x6000 226 #define CONFIG_SPL_STACK 0x308000 227 228 #define CONFIG_SPL_BSS_START_ADDR 0x20000000 229 #define CONFIG_SPL_BSS_MAX_SIZE 0x80000 230 #define CONFIG_SYS_SPL_MALLOC_START 0x20080000 231 #define CONFIG_SYS_SPL_MALLOC_SIZE 0x80000 232 233 #define CONFIG_SPL_BOARD_INIT 234 #define CONFIG_SYS_MONITOR_LEN (512 << 10) 235 236 #define CONFIG_SYS_MASTER_CLOCK 132096000 237 #define CONFIG_SYS_AT91_PLLA 0x20953f03 238 #define CONFIG_SYS_MCKR 0x1301 239 #define CONFIG_SYS_MCKR_CSS 0x1302 240 241 #ifdef CONFIG_SYS_USE_MMC 242 #define CONFIG_SPL_LDSCRIPT arch/arm/mach-at91/arm926ejs/u-boot-spl.lds 243 #define CONFIG_SYS_U_BOOT_MAX_SIZE_SECTORS 0x400 244 #define CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR 0x200 245 #define CONFIG_SYS_MMCSD_FS_BOOT_PARTITION 1 246 #define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME "u-boot.img" 247 248 #elif CONFIG_SYS_USE_NANDFLASH 249 #define CONFIG_SPL_NAND_DRIVERS 250 #define CONFIG_SPL_NAND_BASE 251 #define CONFIG_SYS_NAND_U_BOOT_OFFS 0x40000 252 #define CONFIG_SYS_NAND_5_ADDR_CYCLE 253 #define CONFIG_SYS_NAND_PAGE_SIZE 0x800 254 #define CONFIG_SYS_NAND_PAGE_COUNT 64 255 #define CONFIG_SYS_NAND_OOBSIZE 64 256 #define CONFIG_SYS_NAND_BLOCK_SIZE 0x20000 257 #define CONFIG_SYS_NAND_BAD_BLOCK_POS 0x0 258 #define CONFIG_SPL_GENERATE_ATMEL_PMECC_HEADER 259 260 #elif CONFIG_SYS_USE_SPIFLASH 261 #define CONFIG_SPL_SPI_LOAD 262 #define CONFIG_SYS_SPI_U_BOOT_OFFS 0x8400 263 264 #endif 265 266 #endif 267