1 /* SPDX-License-Identifier: GPL-2.0+ */ 2 /* 3 * (C) Copyright 2013 Atmel Corporation. 4 * Josh Wu <josh.wu@atmel.com> 5 * 6 * Configuation settings for the AT91SAM9N12-EK boards. 7 */ 8 9 #ifndef __AT91SAM9N12_CONFIG_H_ 10 #define __AT91SAM9N12_CONFIG_H_ 11 12 /* ARM asynchronous clock */ 13 #define CONFIG_SYS_AT91_SLOW_CLOCK 32768 /* slow clock xtal */ 14 #define CONFIG_SYS_AT91_MAIN_CLOCK 16000000 /* main clock xtal */ 15 16 /* Misc CPU related */ 17 #define CONFIG_CMDLINE_TAG /* enable passing of ATAGs */ 18 #define CONFIG_SETUP_MEMORY_TAGS 19 #define CONFIG_INITRD_TAG 20 #define CONFIG_SKIP_LOWLEVEL_INIT 21 22 /* LCD */ 23 #define LCD_BPP LCD_COLOR16 24 #define LCD_OUTPUT_BPP 24 25 #define CONFIG_LCD_LOGO 26 #define CONFIG_LCD_INFO 27 #define CONFIG_LCD_INFO_BELOW_LOGO 28 #define CONFIG_ATMEL_HLCD 29 #define CONFIG_ATMEL_LCD_RGB565 30 31 /* 32 * BOOTP options 33 */ 34 #define CONFIG_BOOTP_BOOTFILESIZE 35 36 #define CONFIG_NR_DRAM_BANKS 1 37 #define CONFIG_SYS_SDRAM_BASE 0x20000000 38 #define CONFIG_SYS_SDRAM_SIZE 0x08000000 39 40 /* 41 * Initial stack pointer: 4k - GENERATED_GBL_DATA_SIZE in internal SRAM, 42 * leaving the correct space for initial global data structure above 43 * that address while providing maximum stack area below. 44 */ 45 # define CONFIG_SYS_INIT_SP_ADDR \ 46 (0x00300000 + 16 * 1024 - GENERATED_GBL_DATA_SIZE) 47 48 /* DataFlash */ 49 #ifdef CONFIG_CMD_SF 50 #define CONFIG_SF_DEFAULT_SPEED 30000000 51 #endif 52 53 /* NAND flash */ 54 #ifdef CONFIG_CMD_NAND 55 #define CONFIG_NAND_ATMEL 56 #define CONFIG_SYS_MAX_NAND_DEVICE 1 57 #define CONFIG_SYS_NAND_BASE 0x40000000 58 #define CONFIG_SYS_NAND_MASK_ALE (1 << 21) 59 #define CONFIG_SYS_NAND_MASK_CLE (1 << 22) 60 #define CONFIG_SYS_NAND_ENABLE_PIN GPIO_PIN_PD(4) 61 #define CONFIG_SYS_NAND_READY_PIN GPIO_PIN_PD(5) 62 #endif 63 64 /* PMECC & PMERRLOC */ 65 #define CONFIG_ATMEL_NAND_HWECC 66 #define CONFIG_ATMEL_NAND_HW_PMECC 67 #define CONFIG_PMECC_CAP 2 68 #define CONFIG_PMECC_SECTOR_SIZE 512 69 70 #define CONFIG_MTD_PARTITIONS 71 #define CONFIG_MTD_DEVICE 72 73 #define CONFIG_EXTRA_ENV_SETTINGS \ 74 "console=console=ttyS0,115200\0" \ 75 "mtdparts="CONFIG_MTDPARTS_DEFAULT"\0" \ 76 "bootargs_nand=rootfstype=ubifs ubi.mtd=7 root=ubi0:rootfs rw\0"\ 77 "bootargs_mmc=root=/dev/mmcblk0p2 rw rootfstype=ext4 rootwait\0" 78 79 /* Ethernet */ 80 #define CONFIG_KS8851_MLL 81 #define CONFIG_KS8851_MLL_BASEADDR 0x30000000 /* use NCS2 */ 82 83 #define CONFIG_SYS_LOAD_ADDR 0x22000000 /* load address */ 84 85 #define CONFIG_SYS_MEMTEST_START CONFIG_SYS_SDRAM_BASE 86 #define CONFIG_SYS_MEMTEST_END 0x26e00000 87 88 /* USB host */ 89 #ifdef CONFIG_CMD_USB 90 #define CONFIG_USB_ATMEL 91 #define CONFIG_USB_ATMEL_CLK_SEL_PLLB 92 #define CONFIG_USB_OHCI_NEW 93 #define CONFIG_SYS_USB_OHCI_CPU_INIT 94 #define CONFIG_SYS_USB_OHCI_REGS_BASE ATMEL_BASE_OHCI 95 #define CONFIG_SYS_USB_OHCI_SLOT_NAME "at91sam9n12" 96 #define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS 1 97 #endif 98 99 #ifdef CONFIG_SPI_BOOT 100 101 /* bootstrap + u-boot + env + linux in dataflash on CS0 */ 102 #define CONFIG_ENV_OFFSET 0x5000 103 #define CONFIG_ENV_SIZE 0x3000 104 #define CONFIG_ENV_SECT_SIZE 0x1000 105 #define CONFIG_BOOTCOMMAND \ 106 "setenv bootargs ${console} ${mtdparts} ${bootargs_nand};" \ 107 "sf probe 0; sf read 0x22000000 0x100000 0x300000; " \ 108 "bootm 0x22000000" 109 110 #elif defined(CONFIG_NAND_BOOT) 111 112 /* bootstrap + u-boot + env + linux in nandflash */ 113 #define CONFIG_ENV_OFFSET 0x120000 114 #define CONFIG_ENV_OFFSET_REDUND 0x100000 115 #define CONFIG_ENV_SIZE 0x20000 /* 1 sector = 128 kB */ 116 #define CONFIG_BOOTCOMMAND \ 117 "setenv bootargs ${console} ${mtdparts} ${bootargs_nand};" \ 118 "nand read 0x21000000 0x180000 0x080000;" \ 119 "nand read 0x22000000 0x200000 0x400000;" \ 120 "bootm 0x22000000 - 0x21000000" 121 122 #else /* CONFIG_SD_BOOT */ 123 124 /* bootstrap + u-boot + env + linux in mmc */ 125 126 #ifdef CONFIG_ENV_IS_IN_MMC 127 /* Use raw reserved sectors to save environment */ 128 #define CONFIG_ENV_OFFSET 0x2000 129 #define CONFIG_ENV_SIZE 0x1000 130 #define CONFIG_SYS_MMC_ENV_DEV 0 131 #else 132 /* Use file in FAT file to save environment */ 133 #define CONFIG_ENV_SIZE 0x4000 134 #endif 135 136 #define CONFIG_BOOTCOMMAND \ 137 "setenv bootargs ${console} ${mtdparts} ${bootargs_mmc};" \ 138 "fatload mmc 0:1 0x21000000 dtb;" \ 139 "fatload mmc 0:1 0x22000000 uImage;" \ 140 "bootm 0x22000000 - 0x21000000" 141 142 #endif 143 144 /* 145 * Size of malloc() pool 146 */ 147 #define CONFIG_SYS_MALLOC_LEN (4 * 1024 * 1024) 148 149 /* SPL */ 150 #define CONFIG_SPL_TEXT_BASE 0x300000 151 #define CONFIG_SPL_MAX_SIZE 0x6000 152 #define CONFIG_SPL_STACK 0x308000 153 154 #define CONFIG_SPL_BSS_START_ADDR 0x20000000 155 #define CONFIG_SPL_BSS_MAX_SIZE 0x80000 156 #define CONFIG_SYS_SPL_MALLOC_START 0x20080000 157 #define CONFIG_SYS_SPL_MALLOC_SIZE 0x80000 158 159 #define CONFIG_SYS_MONITOR_LEN (512 << 10) 160 161 #define CONFIG_SYS_MASTER_CLOCK 132096000 162 #define CONFIG_SYS_AT91_PLLA 0x20953f03 163 #define CONFIG_SYS_MCKR 0x1301 164 #define CONFIG_SYS_MCKR_CSS 0x1302 165 166 #ifdef CONFIG_SD_BOOT 167 #define CONFIG_SYS_MMCSD_FS_BOOT_PARTITION 1 168 #define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME "u-boot.img" 169 170 #elif CONFIG_SYS_USE_NANDFLASH 171 #elif CONFIG_SPI_BOOT 172 #define CONFIG_SYS_SPI_U_BOOT_OFFS 0x8400 173 174 #elif CONFIG_NAND_BOOT 175 #define CONFIG_SPL_NAND_DRIVERS 176 #define CONFIG_SPL_NAND_BASE 177 #endif 178 #define CONFIG_SYS_NAND_U_BOOT_OFFS 0x40000 179 #define CONFIG_SYS_NAND_5_ADDR_CYCLE 180 #define CONFIG_SYS_NAND_PAGE_SIZE 0x800 181 #define CONFIG_SYS_NAND_PAGE_COUNT 64 182 #define CONFIG_SYS_NAND_OOBSIZE 64 183 #define CONFIG_SYS_NAND_BLOCK_SIZE 0x20000 184 #define CONFIG_SYS_NAND_BAD_BLOCK_POS 0x0 185 #define CONFIG_SPL_GENERATE_ATMEL_PMECC_HEADER 186 187 #endif 188