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 31 /* general purpose I/O */ 32 #define CONFIG_AT91_GPIO 33 34 /* serial console */ 35 #define CONFIG_ATMEL_USART 36 #define CONFIG_USART_BASE ATMEL_BASE_DBGU 37 #define CONFIG_USART_ID ATMEL_ID_SYS 38 #define CONFIG_BAUDRATE 115200 39 40 /* LCD */ 41 #define LCD_BPP LCD_COLOR16 42 #define LCD_OUTPUT_BPP 24 43 #define CONFIG_LCD_LOGO 44 #define CONFIG_LCD_INFO 45 #define CONFIG_LCD_INFO_BELOW_LOGO 46 #define CONFIG_SYS_WHITE_ON_BLACK 47 #define CONFIG_ATMEL_HLCD 48 #define CONFIG_ATMEL_LCD_RGB565 49 50 51 /* 52 * BOOTP options 53 */ 54 #define CONFIG_BOOTP_BOOTFILESIZE 55 #define CONFIG_BOOTP_BOOTPATH 56 #define CONFIG_BOOTP_GATEWAY 57 #define CONFIG_BOOTP_HOSTNAME 58 59 /* 60 * Command line configuration. 61 */ 62 #define CONFIG_CMD_NAND 63 64 #define CONFIG_NR_DRAM_BANKS 1 65 #define CONFIG_SYS_SDRAM_BASE 0x20000000 66 #define CONFIG_SYS_SDRAM_SIZE 0x08000000 67 68 /* 69 * Initial stack pointer: 4k - GENERATED_GBL_DATA_SIZE in internal SRAM, 70 * leaving the correct space for initial global data structure above 71 * that address while providing maximum stack area below. 72 */ 73 # define CONFIG_SYS_INIT_SP_ADDR \ 74 (ATMEL_BASE_SRAM + 0x1000 - GENERATED_GBL_DATA_SIZE) 75 76 /* DataFlash */ 77 #ifdef CONFIG_CMD_SF 78 #define CONFIG_ATMEL_SPI 79 #define CONFIG_SF_DEFAULT_SPEED 30000000 80 #define CONFIG_ENV_SPI_MODE SPI_MODE_3 81 #define CONFIG_SF_DEFAULT_MODE SPI_MODE_3 82 #endif 83 84 /* NAND flash */ 85 #ifdef CONFIG_CMD_NAND 86 #define CONFIG_NAND_ATMEL 87 #define CONFIG_SYS_MAX_NAND_DEVICE 1 88 #define CONFIG_SYS_NAND_BASE 0x40000000 89 #define CONFIG_SYS_NAND_MASK_ALE (1 << 21) 90 #define CONFIG_SYS_NAND_MASK_CLE (1 << 22) 91 #define CONFIG_SYS_NAND_ENABLE_PIN GPIO_PIN_PD(4) 92 #define CONFIG_SYS_NAND_READY_PIN GPIO_PIN_PD(5) 93 94 /* PMECC & PMERRLOC */ 95 #define CONFIG_ATMEL_NAND_HWECC 96 #define CONFIG_ATMEL_NAND_HW_PMECC 97 #define CONFIG_PMECC_CAP 2 98 #define CONFIG_PMECC_SECTOR_SIZE 512 99 #define CONFIG_PMECC_INDEX_TABLE_OFFSET 0x8000 100 101 #define CONFIG_CMD_NAND_TRIMFFS 102 103 #endif 104 105 #define CONFIG_MTD_PARTITIONS 106 #define CONFIG_MTD_DEVICE 107 #define CONFIG_CMD_MTDPARTS 108 #define MTDIDS_DEFAULT "nand0=atmel_nand" 109 #define MTDPARTS_DEFAULT \ 110 "mtdparts=atmel_nand:256k(bootstrap)ro,512k(uboot)ro," \ 111 "256k(env),256k(env_redundant),256k(spare)," \ 112 "512k(dtb),6M(kernel)ro,-(rootfs)" 113 114 #define CONFIG_EXTRA_ENV_SETTINGS \ 115 "console=console=ttyS0,115200\0" \ 116 "mtdparts="MTDPARTS_DEFAULT"\0" \ 117 "bootargs_nand=rootfstype=ubifs ubi.mtd=7 root=ubi0:rootfs rw\0"\ 118 "bootargs_mmc=root=/dev/mmcblk0p2 rw rootfstype=ext4 rootwait\0" 119 120 /* MMC */ 121 #ifdef CONFIG_CMD_MMC 122 #define CONFIG_GENERIC_ATMEL_MCI 123 #endif 124 125 /* Ethernet */ 126 #define CONFIG_KS8851_MLL 127 #define CONFIG_KS8851_MLL_BASEADDR 0x30000000 /* use NCS2 */ 128 129 #define CONFIG_SYS_LOAD_ADDR 0x22000000 /* load address */ 130 131 #define CONFIG_SYS_MEMTEST_START CONFIG_SYS_SDRAM_BASE 132 #define CONFIG_SYS_MEMTEST_END 0x26e00000 133 134 /* USB host */ 135 #ifdef CONFIG_CMD_USB 136 #define CONFIG_USB_ATMEL 137 #define CONFIG_USB_ATMEL_CLK_SEL_PLLB 138 #define CONFIG_USB_OHCI_NEW 139 #define CONFIG_SYS_USB_OHCI_CPU_INIT 140 #define CONFIG_SYS_USB_OHCI_REGS_BASE ATMEL_BASE_OHCI 141 #define CONFIG_SYS_USB_OHCI_SLOT_NAME "at91sam9n12" 142 #define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS 1 143 #endif 144 145 #ifdef CONFIG_SYS_USE_SPIFLASH 146 147 /* bootstrap + u-boot + env + linux in dataflash on CS0 */ 148 #define CONFIG_ENV_IS_IN_SPI_FLASH 149 #define CONFIG_ENV_OFFSET 0x5000 150 #define CONFIG_ENV_SIZE 0x3000 151 #define CONFIG_ENV_SECT_SIZE 0x1000 152 #define CONFIG_BOOTCOMMAND \ 153 "setenv bootargs ${console} ${mtdparts} ${bootargs_nand};" \ 154 "sf probe 0; sf read 0x22000000 0x100000 0x300000; " \ 155 "bootm 0x22000000" 156 157 #elif defined(CONFIG_SYS_USE_NANDFLASH) 158 159 /* bootstrap + u-boot + env + linux in nandflash */ 160 #define CONFIG_ENV_IS_IN_NAND 161 #define CONFIG_ENV_OFFSET 0xc0000 162 #define CONFIG_ENV_OFFSET_REDUND 0x100000 163 #define CONFIG_ENV_SIZE 0x20000 /* 1 sector = 128 kB */ 164 #define CONFIG_BOOTCOMMAND \ 165 "setenv bootargs ${console} ${mtdparts} ${bootargs_nand};" \ 166 "nand read 0x21000000 0x180000 0x080000;" \ 167 "nand read 0x22000000 0x200000 0x400000;" \ 168 "bootm 0x22000000 - 0x21000000" 169 170 #else /* CONFIG_SYS_USE_MMC */ 171 172 /* bootstrap + u-boot + env + linux in mmc */ 173 174 #ifdef CONFIG_ENV_IS_IN_MMC 175 /* Use raw reserved sectors to save environment */ 176 #define CONFIG_ENV_OFFSET 0x2000 177 #define CONFIG_ENV_SIZE 0x1000 178 #define CONFIG_SYS_MMC_ENV_DEV 0 179 #else 180 /* Use file in FAT file to save environment */ 181 #define CONFIG_ENV_IS_IN_FAT 182 #define CONFIG_FAT_WRITE 183 #define FAT_ENV_INTERFACE "mmc" 184 #define FAT_ENV_FILE "uboot.env" 185 #define FAT_ENV_DEVICE_AND_PART "0" 186 #define CONFIG_ENV_SIZE 0x4000 187 #endif 188 189 #define CONFIG_BOOTCOMMAND \ 190 "setenv bootargs ${console} ${mtdparts} ${bootargs_mmc};" \ 191 "fatload mmc 0:1 0x21000000 dtb;" \ 192 "fatload mmc 0:1 0x22000000 uImage;" \ 193 "bootm 0x22000000 - 0x21000000" 194 195 #endif 196 197 #define CONFIG_SYS_CBSIZE 256 198 #define CONFIG_SYS_MAXARGS 16 199 #define CONFIG_SYS_LONGHELP 200 #define CONFIG_CMDLINE_EDITING 201 #define CONFIG_AUTO_COMPLETE 202 203 /* 204 * Size of malloc() pool 205 */ 206 #define CONFIG_SYS_MALLOC_LEN (4 * 1024 * 1024) 207 208 /* SPL */ 209 #define CONFIG_SPL_FRAMEWORK 210 #define CONFIG_SPL_TEXT_BASE 0x300000 211 #define CONFIG_SPL_MAX_SIZE 0x6000 212 #define CONFIG_SPL_STACK 0x308000 213 214 #define CONFIG_SPL_BSS_START_ADDR 0x20000000 215 #define CONFIG_SPL_BSS_MAX_SIZE 0x80000 216 #define CONFIG_SYS_SPL_MALLOC_START 0x20080000 217 #define CONFIG_SYS_SPL_MALLOC_SIZE 0x80000 218 219 #define CONFIG_SPL_BOARD_INIT 220 #define CONFIG_SYS_MONITOR_LEN (512 << 10) 221 222 #define CONFIG_SYS_MASTER_CLOCK 132096000 223 #define CONFIG_SYS_AT91_PLLA 0x20953f03 224 #define CONFIG_SYS_MCKR 0x1301 225 #define CONFIG_SYS_MCKR_CSS 0x1302 226 227 #ifdef CONFIG_SYS_USE_MMC 228 #define CONFIG_SPL_LDSCRIPT arch/arm/mach-at91/arm926ejs/u-boot-spl.lds 229 #define CONFIG_SYS_MMCSD_FS_BOOT_PARTITION 1 230 #define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME "u-boot.img" 231 232 #elif CONFIG_SYS_USE_NANDFLASH 233 #define CONFIG_SPL_NAND_DRIVERS 234 #define CONFIG_SPL_NAND_BASE 235 #define CONFIG_SYS_NAND_U_BOOT_OFFS 0x40000 236 #define CONFIG_SYS_NAND_5_ADDR_CYCLE 237 #define CONFIG_SYS_NAND_PAGE_SIZE 0x800 238 #define CONFIG_SYS_NAND_PAGE_COUNT 64 239 #define CONFIG_SYS_NAND_OOBSIZE 64 240 #define CONFIG_SYS_NAND_BLOCK_SIZE 0x20000 241 #define CONFIG_SYS_NAND_BAD_BLOCK_POS 0x0 242 #define CONFIG_SPL_GENERATE_ATMEL_PMECC_HEADER 243 244 #elif CONFIG_SYS_USE_SPIFLASH 245 #define CONFIG_SPL_SPI_LOAD 246 #define CONFIG_SYS_SPI_U_BOOT_OFFS 0x8400 247 248 #endif 249 250 #endif 251