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 /* LCD */ 32 #define LCD_BPP LCD_COLOR16 33 #define LCD_OUTPUT_BPP 24 34 #define CONFIG_LCD_LOGO 35 #define CONFIG_LCD_INFO 36 #define CONFIG_LCD_INFO_BELOW_LOGO 37 #define CONFIG_ATMEL_HLCD 38 #define CONFIG_ATMEL_LCD_RGB565 39 40 /* 41 * BOOTP options 42 */ 43 #define CONFIG_BOOTP_BOOTFILESIZE 44 #define CONFIG_BOOTP_BOOTPATH 45 #define CONFIG_BOOTP_GATEWAY 46 #define CONFIG_BOOTP_HOSTNAME 47 48 /* 49 * Command line configuration. 50 */ 51 #define CONFIG_CMD_NAND 52 53 #define CONFIG_NR_DRAM_BANKS 1 54 #define CONFIG_SYS_SDRAM_BASE 0x20000000 55 #define CONFIG_SYS_SDRAM_SIZE 0x08000000 56 57 /* 58 * Initial stack pointer: 4k - GENERATED_GBL_DATA_SIZE in internal SRAM, 59 * leaving the correct space for initial global data structure above 60 * that address while providing maximum stack area below. 61 */ 62 # define CONFIG_SYS_INIT_SP_ADDR \ 63 (ATMEL_BASE_SRAM + 16 * 1024 - GENERATED_GBL_DATA_SIZE) 64 65 /* DataFlash */ 66 #ifdef CONFIG_CMD_SF 67 #define CONFIG_SF_DEFAULT_SPEED 30000000 68 #endif 69 70 /* NAND flash */ 71 #ifdef CONFIG_CMD_NAND 72 #define CONFIG_NAND_ATMEL 73 #define CONFIG_SYS_MAX_NAND_DEVICE 1 74 #define CONFIG_SYS_NAND_BASE 0x40000000 75 #define CONFIG_SYS_NAND_MASK_ALE (1 << 21) 76 #define CONFIG_SYS_NAND_MASK_CLE (1 << 22) 77 #define CONFIG_SYS_NAND_ENABLE_PIN GPIO_PIN_PD(4) 78 #define CONFIG_SYS_NAND_READY_PIN GPIO_PIN_PD(5) 79 80 /* PMECC & PMERRLOC */ 81 #define CONFIG_ATMEL_NAND_HWECC 82 #define CONFIG_ATMEL_NAND_HW_PMECC 83 #define CONFIG_PMECC_CAP 2 84 #define CONFIG_PMECC_SECTOR_SIZE 512 85 #define CONFIG_PMECC_INDEX_TABLE_OFFSET 0x8000 86 87 #define CONFIG_CMD_NAND_TRIMFFS 88 89 #endif 90 91 #define CONFIG_MTD_PARTITIONS 92 #define CONFIG_MTD_DEVICE 93 #define MTDIDS_DEFAULT "nand0=atmel_nand" 94 #define MTDPARTS_DEFAULT \ 95 "mtdparts=atmel_nand:256k(bootstrap)ro,512k(uboot)ro," \ 96 "256k(env),256k(env_redundant),256k(spare)," \ 97 "512k(dtb),6M(kernel)ro,-(rootfs)" 98 99 #define CONFIG_EXTRA_ENV_SETTINGS \ 100 "console=console=ttyS0,115200\0" \ 101 "mtdparts="MTDPARTS_DEFAULT"\0" \ 102 "bootargs_nand=rootfstype=ubifs ubi.mtd=7 root=ubi0:rootfs rw\0"\ 103 "bootargs_mmc=root=/dev/mmcblk0p2 rw rootfstype=ext4 rootwait\0" 104 105 /* Ethernet */ 106 #define CONFIG_KS8851_MLL 107 #define CONFIG_KS8851_MLL_BASEADDR 0x30000000 /* use NCS2 */ 108 109 #define CONFIG_SYS_LOAD_ADDR 0x22000000 /* load address */ 110 111 #define CONFIG_SYS_MEMTEST_START CONFIG_SYS_SDRAM_BASE 112 #define CONFIG_SYS_MEMTEST_END 0x26e00000 113 114 /* USB host */ 115 #ifdef CONFIG_CMD_USB 116 #define CONFIG_USB_ATMEL 117 #define CONFIG_USB_ATMEL_CLK_SEL_PLLB 118 #define CONFIG_USB_OHCI_NEW 119 #define CONFIG_SYS_USB_OHCI_CPU_INIT 120 #define CONFIG_SYS_USB_OHCI_REGS_BASE ATMEL_BASE_OHCI 121 #define CONFIG_SYS_USB_OHCI_SLOT_NAME "at91sam9n12" 122 #define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS 1 123 #endif 124 125 #ifdef CONFIG_SYS_USE_SPIFLASH 126 127 /* bootstrap + u-boot + env + linux in dataflash on CS0 */ 128 #define CONFIG_ENV_IS_IN_SPI_FLASH 129 #define CONFIG_ENV_OFFSET 0x5000 130 #define CONFIG_ENV_SIZE 0x3000 131 #define CONFIG_ENV_SECT_SIZE 0x1000 132 #define CONFIG_BOOTCOMMAND \ 133 "setenv bootargs ${console} ${mtdparts} ${bootargs_nand};" \ 134 "sf probe 0; sf read 0x22000000 0x100000 0x300000; " \ 135 "bootm 0x22000000" 136 137 #elif defined(CONFIG_SYS_USE_NANDFLASH) 138 139 /* bootstrap + u-boot + env + linux in nandflash */ 140 #define CONFIG_ENV_OFFSET 0x120000 141 #define CONFIG_ENV_OFFSET_REDUND 0x100000 142 #define CONFIG_ENV_SIZE 0x20000 /* 1 sector = 128 kB */ 143 #define CONFIG_BOOTCOMMAND \ 144 "setenv bootargs ${console} ${mtdparts} ${bootargs_nand};" \ 145 "nand read 0x21000000 0x180000 0x080000;" \ 146 "nand read 0x22000000 0x200000 0x400000;" \ 147 "bootm 0x22000000 - 0x21000000" 148 149 #else /* CONFIG_SYS_USE_MMC */ 150 151 /* bootstrap + u-boot + env + linux in mmc */ 152 153 #ifdef CONFIG_ENV_IS_IN_MMC 154 /* Use raw reserved sectors to save environment */ 155 #define CONFIG_ENV_OFFSET 0x2000 156 #define CONFIG_ENV_SIZE 0x1000 157 #define CONFIG_SYS_MMC_ENV_DEV 0 158 #else 159 /* Use file in FAT file to save environment */ 160 #define CONFIG_ENV_IS_IN_FAT 161 #define FAT_ENV_INTERFACE "mmc" 162 #define FAT_ENV_FILE "uboot.env" 163 #define FAT_ENV_DEVICE_AND_PART "0" 164 #define CONFIG_ENV_SIZE 0x4000 165 #endif 166 167 #define CONFIG_BOOTCOMMAND \ 168 "setenv bootargs ${console} ${mtdparts} ${bootargs_mmc};" \ 169 "fatload mmc 0:1 0x21000000 dtb;" \ 170 "fatload mmc 0:1 0x22000000 uImage;" \ 171 "bootm 0x22000000 - 0x21000000" 172 173 #endif 174 175 #define CONFIG_SYS_CBSIZE 256 176 #define CONFIG_SYS_MAXARGS 16 177 #define CONFIG_SYS_LONGHELP 178 #define CONFIG_CMDLINE_EDITING 179 #define CONFIG_AUTO_COMPLETE 180 181 /* 182 * Size of malloc() pool 183 */ 184 #define CONFIG_SYS_MALLOC_LEN (4 * 1024 * 1024) 185 186 /* SPL */ 187 #define CONFIG_SPL_FRAMEWORK 188 #define CONFIG_SPL_TEXT_BASE 0x300000 189 #define CONFIG_SPL_MAX_SIZE 0x6000 190 #define CONFIG_SPL_STACK 0x308000 191 192 #define CONFIG_SPL_BSS_START_ADDR 0x20000000 193 #define CONFIG_SPL_BSS_MAX_SIZE 0x80000 194 #define CONFIG_SYS_SPL_MALLOC_START 0x20080000 195 #define CONFIG_SYS_SPL_MALLOC_SIZE 0x80000 196 197 #define CONFIG_SYS_MONITOR_LEN (512 << 10) 198 199 #define CONFIG_SYS_MASTER_CLOCK 132096000 200 #define CONFIG_SYS_AT91_PLLA 0x20953f03 201 #define CONFIG_SYS_MCKR 0x1301 202 #define CONFIG_SYS_MCKR_CSS 0x1302 203 204 #ifdef CONFIG_SYS_USE_MMC 205 #define CONFIG_SPL_LDSCRIPT arch/arm/mach-at91/arm926ejs/u-boot-spl.lds 206 #define CONFIG_SYS_MMCSD_FS_BOOT_PARTITION 1 207 #define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME "u-boot.img" 208 209 #elif CONFIG_SYS_USE_NANDFLASH 210 #define CONFIG_SPL_NAND_DRIVERS 211 #define CONFIG_SPL_NAND_BASE 212 #define CONFIG_SYS_NAND_U_BOOT_OFFS 0x40000 213 #define CONFIG_SYS_NAND_5_ADDR_CYCLE 214 #define CONFIG_SYS_NAND_PAGE_SIZE 0x800 215 #define CONFIG_SYS_NAND_PAGE_COUNT 64 216 #define CONFIG_SYS_NAND_OOBSIZE 64 217 #define CONFIG_SYS_NAND_BLOCK_SIZE 0x20000 218 #define CONFIG_SYS_NAND_BAD_BLOCK_POS 0x0 219 #define CONFIG_SPL_GENERATE_ATMEL_PMECC_HEADER 220 221 #elif CONFIG_SYS_USE_SPIFLASH 222 #define CONFIG_SPL_SPI_LOAD 223 #define CONFIG_SYS_SPI_U_BOOT_OFFS 0x8400 224 225 #endif 226 227 #endif 228