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_LCD_RGB565 29 30/* 31 * BOOTP options 32 */ 33#define CONFIG_BOOTP_BOOTFILESIZE 34 35#define CONFIG_SYS_SDRAM_BASE 0x20000000 36#define CONFIG_SYS_SDRAM_SIZE 0x08000000 37 38/* 39 * Initial stack pointer: 4k - GENERATED_GBL_DATA_SIZE in internal SRAM, 40 * leaving the correct space for initial global data structure above 41 * that address while providing maximum stack area below. 42 */ 43# define CONFIG_SYS_INIT_SP_ADDR \ 44 (0x00300000 + 16 * 1024 - GENERATED_GBL_DATA_SIZE) 45 46/* DataFlash */ 47 48/* NAND flash */ 49#ifdef CONFIG_CMD_NAND 50#define CONFIG_SYS_MAX_NAND_DEVICE 1 51#define CONFIG_SYS_NAND_BASE 0x40000000 52#define CONFIG_SYS_NAND_MASK_ALE (1 << 21) 53#define CONFIG_SYS_NAND_MASK_CLE (1 << 22) 54#define CONFIG_SYS_NAND_ENABLE_PIN GPIO_PIN_PD(4) 55#define CONFIG_SYS_NAND_READY_PIN GPIO_PIN_PD(5) 56#endif 57 58#define CONFIG_EXTRA_ENV_SETTINGS \ 59 "console=console=ttyS0,115200\0" \ 60 "mtdparts="CONFIG_MTDPARTS_DEFAULT"\0" \ 61 "bootargs_nand=rootfstype=ubifs ubi.mtd=7 root=ubi0:rootfs rw\0"\ 62 "bootargs_mmc=root=/dev/mmcblk0p2 rw rootfstype=ext4 rootwait\0" 63 64/* Ethernet */ 65#define CONFIG_SYS_LOAD_ADDR 0x22000000 /* load address */ 66 67/* USB host */ 68#ifdef CONFIG_CMD_USB 69#define CONFIG_USB_ATMEL 70#define CONFIG_USB_ATMEL_CLK_SEL_PLLB 71#define CONFIG_USB_OHCI_NEW 72#define CONFIG_SYS_USB_OHCI_CPU_INIT 73#define CONFIG_SYS_USB_OHCI_REGS_BASE ATMEL_BASE_OHCI 74#define CONFIG_SYS_USB_OHCI_SLOT_NAME "at91sam9n12" 75#define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS 1 76#endif 77 78#ifdef CONFIG_SPI_BOOT 79 80/* bootstrap + u-boot + env + linux in dataflash on CS0 */ 81#define CONFIG_BOOTCOMMAND \ 82 "setenv bootargs ${console} ${mtdparts} ${bootargs_nand};" \ 83 "sf probe 0; sf read 0x22000000 0x100000 0x300000; " \ 84 "bootm 0x22000000" 85 86#elif defined(CONFIG_NAND_BOOT) 87 88/* bootstrap + u-boot + env + linux in nandflash */ 89#define CONFIG_BOOTCOMMAND \ 90 "setenv bootargs ${console} ${mtdparts} ${bootargs_nand};" \ 91 "nand read 0x21000000 0x180000 0x080000;" \ 92 "nand read 0x22000000 0x200000 0x400000;" \ 93 "bootm 0x22000000 - 0x21000000" 94 95#else /* CONFIG_SD_BOOT */ 96 97#define CONFIG_BOOTCOMMAND \ 98 "setenv bootargs ${console} ${mtdparts} ${bootargs_mmc};" \ 99 "fatload mmc 0:1 0x21000000 dtb;" \ 100 "fatload mmc 0:1 0x22000000 uImage;" \ 101 "bootm 0x22000000 - 0x21000000" 102 103#endif 104 105/* 106 * Size of malloc() pool 107 */ 108#define CONFIG_SYS_MALLOC_LEN (4 * 1024 * 1024) 109 110/* SPL */ 111#define CONFIG_SPL_MAX_SIZE 0x6000 112#define CONFIG_SPL_STACK 0x308000 113 114#define CONFIG_SPL_BSS_START_ADDR 0x20000000 115#define CONFIG_SPL_BSS_MAX_SIZE 0x80000 116#define CONFIG_SYS_SPL_MALLOC_START 0x20080000 117#define CONFIG_SYS_SPL_MALLOC_SIZE 0x80000 118 119#define CONFIG_SYS_MONITOR_LEN (512 << 10) 120 121#define CONFIG_SYS_MASTER_CLOCK 132096000 122#define CONFIG_SYS_AT91_PLLA 0x20953f03 123#define CONFIG_SYS_MCKR 0x1301 124#define CONFIG_SYS_MCKR_CSS 0x1302 125 126#ifdef CONFIG_SD_BOOT 127#define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME "u-boot.img" 128#endif 129#define CONFIG_SYS_NAND_U_BOOT_OFFS 0x40000 130#define CONFIG_SYS_NAND_5_ADDR_CYCLE 131#define CONFIG_SYS_NAND_PAGE_SIZE 0x800 132#define CONFIG_SYS_NAND_PAGE_COUNT 64 133#define CONFIG_SYS_NAND_OOBSIZE 64 134#define CONFIG_SYS_NAND_BLOCK_SIZE 0x20000 135#define CONFIG_SYS_NAND_BAD_BLOCK_POS 0x0 136 137#endif 138