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