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