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