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 #define CONFIG_SYS_TEXT_BASE 0x26f00000 14 15 /* ARM asynchronous clock */ 16 #define CONFIG_SYS_AT91_SLOW_CLOCK 32768 /* slow clock xtal */ 17 #define CONFIG_SYS_AT91_MAIN_CLOCK 16000000 /* main clock xtal */ 18 19 /* Misc CPU related */ 20 #define CONFIG_CMDLINE_TAG /* enable passing of ATAGs */ 21 #define CONFIG_SETUP_MEMORY_TAGS 22 #define CONFIG_INITRD_TAG 23 #define CONFIG_SKIP_LOWLEVEL_INIT 24 25 /* LCD */ 26 #define LCD_BPP LCD_COLOR16 27 #define LCD_OUTPUT_BPP 24 28 #define CONFIG_LCD_LOGO 29 #define CONFIG_LCD_INFO 30 #define CONFIG_LCD_INFO_BELOW_LOGO 31 #define CONFIG_ATMEL_HLCD 32 #define CONFIG_ATMEL_LCD_RGB565 33 34 /* 35 * BOOTP options 36 */ 37 #define CONFIG_BOOTP_BOOTFILESIZE 38 #define CONFIG_BOOTP_BOOTPATH 39 #define CONFIG_BOOTP_GATEWAY 40 #define CONFIG_BOOTP_HOSTNAME 41 42 #define CONFIG_NR_DRAM_BANKS 1 43 #define CONFIG_SYS_SDRAM_BASE 0x20000000 44 #define CONFIG_SYS_SDRAM_SIZE 0x08000000 45 46 /* 47 * Initial stack pointer: 4k - GENERATED_GBL_DATA_SIZE in internal SRAM, 48 * leaving the correct space for initial global data structure above 49 * that address while providing maximum stack area below. 50 */ 51 # define CONFIG_SYS_INIT_SP_ADDR \ 52 (0x00300000 + 16 * 1024 - GENERATED_GBL_DATA_SIZE) 53 54 /* DataFlash */ 55 #ifdef CONFIG_CMD_SF 56 #define CONFIG_SF_DEFAULT_SPEED 30000000 57 #endif 58 59 /* NAND flash */ 60 #ifdef CONFIG_CMD_NAND 61 #define CONFIG_NAND_ATMEL 62 #define CONFIG_SYS_MAX_NAND_DEVICE 1 63 #define CONFIG_SYS_NAND_BASE 0x40000000 64 #define CONFIG_SYS_NAND_MASK_ALE (1 << 21) 65 #define CONFIG_SYS_NAND_MASK_CLE (1 << 22) 66 #define CONFIG_SYS_NAND_ENABLE_PIN GPIO_PIN_PD(4) 67 #define CONFIG_SYS_NAND_READY_PIN GPIO_PIN_PD(5) 68 #endif 69 70 /* PMECC & PMERRLOC */ 71 #define CONFIG_ATMEL_NAND_HWECC 72 #define CONFIG_ATMEL_NAND_HW_PMECC 73 #define CONFIG_PMECC_CAP 2 74 #define CONFIG_PMECC_SECTOR_SIZE 512 75 #define CONFIG_PMECC_INDEX_TABLE_OFFSET 0x8000 76 77 #define CONFIG_MTD_PARTITIONS 78 #define CONFIG_MTD_DEVICE 79 #define MTDIDS_DEFAULT "nand0=atmel_nand" 80 #define MTDPARTS_DEFAULT \ 81 "mtdparts=atmel_nand:256k(bootstrap)ro,512k(uboot)ro," \ 82 "256k(env),256k(env_redundant),256k(spare)," \ 83 "512k(dtb),6M(kernel)ro,-(rootfs)" 84 85 #define CONFIG_EXTRA_ENV_SETTINGS \ 86 "console=console=ttyS0,115200\0" \ 87 "mtdparts="MTDPARTS_DEFAULT"\0" \ 88 "bootargs_nand=rootfstype=ubifs ubi.mtd=7 root=ubi0:rootfs rw\0"\ 89 "bootargs_mmc=root=/dev/mmcblk0p2 rw rootfstype=ext4 rootwait\0" 90 91 /* Ethernet */ 92 #define CONFIG_KS8851_MLL 93 #define CONFIG_KS8851_MLL_BASEADDR 0x30000000 /* use NCS2 */ 94 95 #define CONFIG_SYS_LOAD_ADDR 0x22000000 /* load address */ 96 97 #define CONFIG_SYS_MEMTEST_START CONFIG_SYS_SDRAM_BASE 98 #define CONFIG_SYS_MEMTEST_END 0x26e00000 99 100 /* USB host */ 101 #ifdef CONFIG_CMD_USB 102 #define CONFIG_USB_ATMEL 103 #define CONFIG_USB_ATMEL_CLK_SEL_PLLB 104 #define CONFIG_USB_OHCI_NEW 105 #define CONFIG_SYS_USB_OHCI_CPU_INIT 106 #define CONFIG_SYS_USB_OHCI_REGS_BASE ATMEL_BASE_OHCI 107 #define CONFIG_SYS_USB_OHCI_SLOT_NAME "at91sam9n12" 108 #define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS 1 109 #endif 110 111 #ifdef CONFIG_SPI_BOOT 112 113 /* bootstrap + u-boot + env + linux in dataflash on CS0 */ 114 #define CONFIG_ENV_OFFSET 0x5000 115 #define CONFIG_ENV_SIZE 0x3000 116 #define CONFIG_ENV_SECT_SIZE 0x1000 117 #define CONFIG_BOOTCOMMAND \ 118 "setenv bootargs ${console} ${mtdparts} ${bootargs_nand};" \ 119 "sf probe 0; sf read 0x22000000 0x100000 0x300000; " \ 120 "bootm 0x22000000" 121 122 #elif defined(CONFIG_NAND_BOOT) 123 124 /* bootstrap + u-boot + env + linux in nandflash */ 125 #define CONFIG_ENV_OFFSET 0x120000 126 #define CONFIG_ENV_OFFSET_REDUND 0x100000 127 #define CONFIG_ENV_SIZE 0x20000 /* 1 sector = 128 kB */ 128 #define CONFIG_BOOTCOMMAND \ 129 "setenv bootargs ${console} ${mtdparts} ${bootargs_nand};" \ 130 "nand read 0x21000000 0x180000 0x080000;" \ 131 "nand read 0x22000000 0x200000 0x400000;" \ 132 "bootm 0x22000000 - 0x21000000" 133 134 #else /* CONFIG_SD_BOOT */ 135 136 /* bootstrap + u-boot + env + linux in mmc */ 137 138 #ifdef CONFIG_ENV_IS_IN_MMC 139 /* Use raw reserved sectors to save environment */ 140 #define CONFIG_ENV_OFFSET 0x2000 141 #define CONFIG_ENV_SIZE 0x1000 142 #define CONFIG_SYS_MMC_ENV_DEV 0 143 #else 144 /* Use file in FAT file to save environment */ 145 #define CONFIG_ENV_SIZE 0x4000 146 #endif 147 148 #define CONFIG_BOOTCOMMAND \ 149 "setenv bootargs ${console} ${mtdparts} ${bootargs_mmc};" \ 150 "fatload mmc 0:1 0x21000000 dtb;" \ 151 "fatload mmc 0:1 0x22000000 uImage;" \ 152 "bootm 0x22000000 - 0x21000000" 153 154 #endif 155 156 #define CONFIG_SYS_LONGHELP 157 #define CONFIG_CMDLINE_EDITING 158 #define CONFIG_AUTO_COMPLETE 159 160 /* 161 * Size of malloc() pool 162 */ 163 #define CONFIG_SYS_MALLOC_LEN (4 * 1024 * 1024) 164 165 /* SPL */ 166 #define CONFIG_SPL_FRAMEWORK 167 #define CONFIG_SPL_TEXT_BASE 0x300000 168 #define CONFIG_SPL_MAX_SIZE 0x6000 169 #define CONFIG_SPL_STACK 0x308000 170 171 #define CONFIG_SPL_BSS_START_ADDR 0x20000000 172 #define CONFIG_SPL_BSS_MAX_SIZE 0x80000 173 #define CONFIG_SYS_SPL_MALLOC_START 0x20080000 174 #define CONFIG_SYS_SPL_MALLOC_SIZE 0x80000 175 176 #define CONFIG_SYS_MONITOR_LEN (512 << 10) 177 178 #define CONFIG_SYS_MASTER_CLOCK 132096000 179 #define CONFIG_SYS_AT91_PLLA 0x20953f03 180 #define CONFIG_SYS_MCKR 0x1301 181 #define CONFIG_SYS_MCKR_CSS 0x1302 182 183 #ifdef CONFIG_SD_BOOT 184 #define CONFIG_SYS_MMCSD_FS_BOOT_PARTITION 1 185 #define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME "u-boot.img" 186 187 #elif CONFIG_SYS_USE_NANDFLASH 188 #elif CONFIG_SPI_BOOT 189 #define CONFIG_SPL_SPI_LOAD 190 #define CONFIG_SYS_SPI_U_BOOT_OFFS 0x8400 191 192 #elif CONFIG_NAND_BOOT 193 #define CONFIG_SPL_NAND_DRIVERS 194 #define CONFIG_SPL_NAND_BASE 195 #endif 196 #define CONFIG_SYS_NAND_U_BOOT_OFFS 0x40000 197 #define CONFIG_SYS_NAND_5_ADDR_CYCLE 198 #define CONFIG_SYS_NAND_PAGE_SIZE 0x800 199 #define CONFIG_SYS_NAND_PAGE_COUNT 64 200 #define CONFIG_SYS_NAND_OOBSIZE 64 201 #define CONFIG_SYS_NAND_BLOCK_SIZE 0x20000 202 #define CONFIG_SYS_NAND_BAD_BLOCK_POS 0x0 203 #define CONFIG_SPL_GENERATE_ATMEL_PMECC_HEADER 204 205 #endif 206