1 /* 2 * (C) Copyright 2007-2008 3 * Stelian Pop <stelian@popies.net> 4 * Lead Tech Design <www.leadtechdesign.com> 5 * 6 * Configuation settings for the AT91SAM9RLEK board. 7 * 8 * SPDX-License-Identifier: GPL-2.0+ 9 */ 10 11 #ifndef __CONFIG_H 12 #define __CONFIG_H 13 14 #include <asm/hardware.h> 15 16 #define CONFIG_SYS_TEXT_BASE 0x21F00000 17 18 /* ARM asynchronous clock */ 19 #define CONFIG_SYS_AT91_SLOW_CLOCK 32768 /* slow clock xtal */ 20 #define CONFIG_SYS_AT91_MAIN_CLOCK 12000000 /* main clock xtal */ 21 22 #define CONFIG_AT91SAM9RLEK 1 /* It's an AT91SAM9RLEK Board */ 23 24 #define CONFIG_ARCH_CPU_INIT 25 #define CONFIG_SKIP_LOWLEVEL_INIT 26 27 #define CONFIG_CMDLINE_TAG 1 /* enable passing of ATAGs */ 28 #define CONFIG_SETUP_MEMORY_TAGS 1 29 #define CONFIG_INITRD_TAG 1 30 31 #define CONFIG_ATMEL_LEGACY 32 33 /* 34 * Hardware drivers 35 */ 36 37 /* LCD */ 38 #define LCD_BPP LCD_COLOR8 39 #define CONFIG_LCD_LOGO 1 40 #undef LCD_TEST_PATTERN 41 #define CONFIG_LCD_INFO 1 42 #define CONFIG_LCD_INFO_BELOW_LOGO 1 43 #define CONFIG_ATMEL_LCD 1 44 #define CONFIG_ATMEL_LCD_RGB565 1 45 /* Let board_init_f handle the framebuffer allocation */ 46 #undef CONFIG_FB_ADDR 47 48 /* 49 * Command line configuration. 50 */ 51 52 #define CONFIG_CMD_NAND 1 53 54 /* SDRAM */ 55 #define CONFIG_NR_DRAM_BANKS 1 56 #define CONFIG_SYS_SDRAM_BASE ATMEL_BASE_CS1 57 #define CONFIG_SYS_SDRAM_SIZE 0x04000000 58 59 #define CONFIG_SYS_INIT_SP_ADDR \ 60 (ATMEL_BASE_SRAM + 16 * 1024 - GENERATED_GBL_DATA_SIZE) 61 62 /* DataFlash */ 63 #define CONFIG_ATMEL_DATAFLASH_SPI 64 #define CONFIG_HAS_DATAFLASH 1 65 #define CONFIG_SYS_MAX_DATAFLASH_BANKS 1 66 #define CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 0xC0000000 /* CS0 */ 67 #define AT91_SPI_CLK 15000000 68 #define DATAFLASH_TCSS (0x1a << 16) 69 #define DATAFLASH_TCHS (0x1 << 24) 70 71 /* NAND flash */ 72 #ifdef CONFIG_CMD_NAND 73 #define CONFIG_NAND_ATMEL 74 #define CONFIG_SYS_MAX_NAND_DEVICE 1 75 #define CONFIG_SYS_NAND_BASE ATMEL_BASE_CS3 76 #define CONFIG_SYS_NAND_DBW_8 1 77 /* our ALE is AD21 */ 78 #define CONFIG_SYS_NAND_MASK_ALE (1 << 21) 79 /* our CLE is AD22 */ 80 #define CONFIG_SYS_NAND_MASK_CLE (1 << 22) 81 #define CONFIG_SYS_NAND_ENABLE_PIN AT91_PIN_PB6 82 #define CONFIG_SYS_NAND_READY_PIN AT91_PIN_PD17 83 84 #endif 85 86 /* Ethernet - not present */ 87 88 /* USB - not supported */ 89 90 #define CONFIG_SYS_LOAD_ADDR 0x22000000 /* load address */ 91 92 #define CONFIG_SYS_MEMTEST_START CONFIG_SYS_SDRAM_BASE 93 #define CONFIG_SYS_MEMTEST_END 0x23e00000 94 95 #ifdef CONFIG_SYS_USE_DATAFLASH 96 97 /* bootstrap + u-boot + env + linux in dataflash on CS0 */ 98 #define CONFIG_ENV_IS_IN_DATAFLASH 1 99 #define CONFIG_SYS_MONITOR_BASE (CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 + 0x8400) 100 #define CONFIG_ENV_OFFSET 0x4200 101 #define CONFIG_ENV_ADDR (CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 + CONFIG_ENV_OFFSET) 102 #define CONFIG_ENV_SIZE 0x4200 103 #define CONFIG_BOOTCOMMAND "cp.b 0xC0084000 0x22000000 0x210000; bootm" 104 #define CONFIG_BOOTARGS "console=ttyS0,115200 " \ 105 "root=/dev/mtdblock0 " \ 106 "mtdparts=atmel_nand:-(root) "\ 107 "rw rootfstype=jffs2" 108 109 #elif CONFIG_SYS_USE_NANDFLASH 110 111 /* bootstrap + u-boot + env + linux in nandflash */ 112 #define CONFIG_ENV_IS_IN_NAND 1 113 #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 "nand read 0x22000000 0x200000 0x600000; " \ 117 "nand read 0x21000000 0x180000 0x80000; " \ 118 "bootz 0x22000000 - 0x21000000" 119 #define CONFIG_BOOTARGS \ 120 "console=ttyS0,115200 earlyprintk " \ 121 "mtdparts=atmel_nand:256k(bootstrap)ro,512k(uboot)ro," \ 122 "256K(env),256k(env_redundant),256k(spare)," \ 123 "512k(dtb),6M(kernel)ro,-(rootfs) " \ 124 "rootfstype=ubifs ubi.mtd=7 root=ubi0:rootfs" 125 126 #else /* CONFIG_SYS_USE_MMC */ 127 128 /* bootstrap + u-boot + env + linux in mmc */ 129 #define CONFIG_ENV_IS_IN_FAT 130 #define FAT_ENV_INTERFACE "mmc" 131 #define FAT_ENV_FILE "uboot.env" 132 #define FAT_ENV_DEVICE_AND_PART "0" 133 #define CONFIG_ENV_SIZE 0x4000 134 #define CONFIG_BOOTCOMMAND "fatload mmc 0:1 0x21000000 at91sam9rlek.dtb; " \ 135 "fatload mmc 0:1 0x22000000 zImage; " \ 136 "bootz 0x22000000 - 0x21000000" 137 #define CONFIG_BOOTARGS "console=ttyS0,115200 " \ 138 "mtdparts=atmel_nand:" \ 139 "8M(bootstrap/uboot/kernel)ro,-(rootfs) " \ 140 "root=/dev/mmcblk0p2 rw rootwait" 141 #endif 142 143 #define CONFIG_SYS_CBSIZE 256 144 #define CONFIG_SYS_MAXARGS 16 145 #define CONFIG_SYS_LONGHELP 1 146 #define CONFIG_CMDLINE_EDITING 1 147 #define CONFIG_AUTO_COMPLETE 148 149 /* 150 * Size of malloc() pool 151 */ 152 #define CONFIG_SYS_MALLOC_LEN ROUND(3 * CONFIG_ENV_SIZE + 128*1024, 0x1000) 153 154 #endif 155