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 #define CONFIG_AT91_GPIO 1 33 #define CONFIG_AT91_GPIO_PULLUP 1 34 35 /* 36 * Hardware drivers 37 */ 38 39 /* serial console */ 40 #define CONFIG_ATMEL_USART 41 #define CONFIG_USART_BASE ATMEL_BASE_DBGU 42 #define CONFIG_USART_ID ATMEL_ID_SYS 43 44 /* LCD */ 45 #define LCD_BPP LCD_COLOR8 46 #define CONFIG_LCD_LOGO 1 47 #undef LCD_TEST_PATTERN 48 #define CONFIG_LCD_INFO 1 49 #define CONFIG_LCD_INFO_BELOW_LOGO 1 50 #define CONFIG_SYS_WHITE_ON_BLACK 1 51 #define CONFIG_ATMEL_LCD 1 52 #define CONFIG_ATMEL_LCD_RGB565 1 53 /* Let board_init_f handle the framebuffer allocation */ 54 #undef CONFIG_FB_ADDR 55 56 /* LED */ 57 #define CONFIG_AT91_LED 58 #define CONFIG_RED_LED AT91_PIN_PD14 /* this is the power led */ 59 #define CONFIG_GREEN_LED AT91_PIN_PD15 /* this is the user1 led */ 60 #define CONFIG_YELLOW_LED AT91_PIN_PD16 /* this is the user2 led */ 61 62 63 /* 64 * Command line configuration. 65 */ 66 67 #define CONFIG_CMD_NAND 1 68 69 /* SDRAM */ 70 #define CONFIG_NR_DRAM_BANKS 1 71 #define CONFIG_SYS_SDRAM_BASE ATMEL_BASE_CS1 72 #define CONFIG_SYS_SDRAM_SIZE 0x04000000 73 74 #define CONFIG_SYS_INIT_SP_ADDR \ 75 (ATMEL_BASE_SRAM + 0x1000 - GENERATED_GBL_DATA_SIZE) 76 77 /* DataFlash */ 78 #define CONFIG_ATMEL_DATAFLASH_SPI 79 #define CONFIG_HAS_DATAFLASH 1 80 #define CONFIG_SYS_MAX_DATAFLASH_BANKS 1 81 #define CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 0xC0000000 /* CS0 */ 82 #define AT91_SPI_CLK 15000000 83 #define DATAFLASH_TCSS (0x1a << 16) 84 #define DATAFLASH_TCHS (0x1 << 24) 85 86 /* NAND flash */ 87 #ifdef CONFIG_CMD_NAND 88 #define CONFIG_NAND_ATMEL 89 #define CONFIG_SYS_MAX_NAND_DEVICE 1 90 #define CONFIG_SYS_NAND_BASE ATMEL_BASE_CS3 91 #define CONFIG_SYS_NAND_DBW_8 1 92 /* our ALE is AD21 */ 93 #define CONFIG_SYS_NAND_MASK_ALE (1 << 21) 94 /* our CLE is AD22 */ 95 #define CONFIG_SYS_NAND_MASK_CLE (1 << 22) 96 #define CONFIG_SYS_NAND_ENABLE_PIN AT91_PIN_PB6 97 #define CONFIG_SYS_NAND_READY_PIN AT91_PIN_PD17 98 99 #endif 100 101 /* MMC */ 102 103 #ifdef CONFIG_CMD_MMC 104 #define CONFIG_GENERIC_ATMEL_MCI 105 #endif 106 107 /* Ethernet - not present */ 108 109 /* USB - not supported */ 110 111 #define CONFIG_SYS_LOAD_ADDR 0x22000000 /* load address */ 112 113 #define CONFIG_SYS_MEMTEST_START CONFIG_SYS_SDRAM_BASE 114 #define CONFIG_SYS_MEMTEST_END 0x23e00000 115 116 #ifdef CONFIG_SYS_USE_DATAFLASH 117 118 /* bootstrap + u-boot + env + linux in dataflash on CS0 */ 119 #define CONFIG_ENV_IS_IN_DATAFLASH 1 120 #define CONFIG_SYS_MONITOR_BASE (CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 + 0x8400) 121 #define CONFIG_ENV_OFFSET 0x4200 122 #define CONFIG_ENV_ADDR (CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 + CONFIG_ENV_OFFSET) 123 #define CONFIG_ENV_SIZE 0x4200 124 #define CONFIG_BOOTCOMMAND "cp.b 0xC0084000 0x22000000 0x210000; bootm" 125 #define CONFIG_BOOTARGS "console=ttyS0,115200 " \ 126 "root=/dev/mtdblock0 " \ 127 "mtdparts=atmel_nand:-(root) "\ 128 "rw rootfstype=jffs2" 129 130 #elif CONFIG_SYS_USE_NANDFLASH 131 132 /* bootstrap + u-boot + env + linux in nandflash */ 133 #define CONFIG_ENV_IS_IN_NAND 1 134 #define CONFIG_ENV_OFFSET 0xc0000 135 #define CONFIG_ENV_OFFSET_REDUND 0x100000 136 #define CONFIG_ENV_SIZE 0x20000 /* 1 sector = 128 kB */ 137 #define CONFIG_BOOTCOMMAND "nand read 0x22000000 0x200000 0x600000; " \ 138 "nand read 0x21000000 0x180000 0x80000; " \ 139 "bootz 0x22000000 - 0x21000000" 140 #define CONFIG_BOOTARGS \ 141 "console=ttyS0,115200 earlyprintk " \ 142 "mtdparts=atmel_nand:256k(bootstrap)ro,512k(uboot)ro," \ 143 "256K(env),256k(env_redundant),256k(spare)," \ 144 "512k(dtb),6M(kernel)ro,-(rootfs) " \ 145 "rootfstype=ubifs ubi.mtd=7 root=ubi0:rootfs" 146 147 #else /* CONFIG_SYS_USE_MMC */ 148 149 /* bootstrap + u-boot + env + linux in mmc */ 150 #define CONFIG_ENV_IS_IN_FAT 151 #define CONFIG_FAT_WRITE 152 #define FAT_ENV_INTERFACE "mmc" 153 #define FAT_ENV_FILE "uboot.env" 154 #define FAT_ENV_DEVICE_AND_PART "0" 155 #define CONFIG_ENV_SIZE 0x4000 156 #define CONFIG_BOOTCOMMAND "fatload mmc 0:1 0x21000000 at91sam9rlek.dtb; " \ 157 "fatload mmc 0:1 0x22000000 zImage; " \ 158 "bootz 0x22000000 - 0x21000000" 159 #define CONFIG_BOOTARGS "console=ttyS0,115200 " \ 160 "mtdparts=atmel_nand:" \ 161 "8M(bootstrap/uboot/kernel)ro,-(rootfs) " \ 162 "root=/dev/mmcblk0p2 rw rootwait" 163 #endif 164 165 #define CONFIG_SYS_CBSIZE 256 166 #define CONFIG_SYS_MAXARGS 16 167 #define CONFIG_SYS_LONGHELP 1 168 #define CONFIG_CMDLINE_EDITING 1 169 #define CONFIG_AUTO_COMPLETE 170 171 /* 172 * Size of malloc() pool 173 */ 174 #define CONFIG_SYS_MALLOC_LEN ROUND(3 * CONFIG_ENV_SIZE + 128*1024, 0x1000) 175 176 #endif 177