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 #define CONFIG_BAUDRATE 115200 44 45 /* LCD */ 46 #define LCD_BPP LCD_COLOR8 47 #define CONFIG_LCD_LOGO 1 48 #undef LCD_TEST_PATTERN 49 #define CONFIG_LCD_INFO 1 50 #define CONFIG_LCD_INFO_BELOW_LOGO 1 51 #define CONFIG_SYS_WHITE_ON_BLACK 1 52 #define CONFIG_ATMEL_LCD 1 53 #define CONFIG_ATMEL_LCD_RGB565 1 54 /* Let board_init_f handle the framebuffer allocation */ 55 #undef CONFIG_FB_ADDR 56 57 /* LED */ 58 #define CONFIG_AT91_LED 59 #define CONFIG_RED_LED AT91_PIN_PD14 /* this is the power led */ 60 #define CONFIG_GREEN_LED AT91_PIN_PD15 /* this is the user1 led */ 61 #define CONFIG_YELLOW_LED AT91_PIN_PD16 /* this is the user2 led */ 62 63 64 /* 65 * Command line configuration. 66 */ 67 68 #define CONFIG_CMD_NAND 1 69 70 /* SDRAM */ 71 #define CONFIG_NR_DRAM_BANKS 1 72 #define CONFIG_SYS_SDRAM_BASE ATMEL_BASE_CS1 73 #define CONFIG_SYS_SDRAM_SIZE 0x04000000 74 75 #define CONFIG_SYS_INIT_SP_ADDR \ 76 (ATMEL_BASE_SRAM + 0x1000 - GENERATED_GBL_DATA_SIZE) 77 78 /* DataFlash */ 79 #define CONFIG_ATMEL_DATAFLASH_SPI 80 #define CONFIG_HAS_DATAFLASH 1 81 #define CONFIG_SYS_MAX_DATAFLASH_BANKS 1 82 #define CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 0xC0000000 /* CS0 */ 83 #define AT91_SPI_CLK 15000000 84 #define DATAFLASH_TCSS (0x1a << 16) 85 #define DATAFLASH_TCHS (0x1 << 24) 86 87 /* NOR flash - not present */ 88 #define CONFIG_SYS_NO_FLASH 1 89 90 /* NAND flash */ 91 #ifdef CONFIG_CMD_NAND 92 #define CONFIG_NAND_ATMEL 93 #define CONFIG_SYS_MAX_NAND_DEVICE 1 94 #define CONFIG_SYS_NAND_BASE ATMEL_BASE_CS3 95 #define CONFIG_SYS_NAND_DBW_8 1 96 /* our ALE is AD21 */ 97 #define CONFIG_SYS_NAND_MASK_ALE (1 << 21) 98 /* our CLE is AD22 */ 99 #define CONFIG_SYS_NAND_MASK_CLE (1 << 22) 100 #define CONFIG_SYS_NAND_ENABLE_PIN AT91_PIN_PB6 101 #define CONFIG_SYS_NAND_READY_PIN AT91_PIN_PD17 102 103 #endif 104 105 /* MMC */ 106 107 #ifdef CONFIG_CMD_MMC 108 #define CONFIG_GENERIC_MMC 109 #define CONFIG_GENERIC_ATMEL_MCI 110 #endif 111 112 /* Ethernet - not present */ 113 114 /* USB - not supported */ 115 116 #define CONFIG_SYS_LOAD_ADDR 0x22000000 /* load address */ 117 118 #define CONFIG_SYS_MEMTEST_START CONFIG_SYS_SDRAM_BASE 119 #define CONFIG_SYS_MEMTEST_END 0x23e00000 120 121 #ifdef CONFIG_SYS_USE_DATAFLASH 122 123 /* bootstrap + u-boot + env + linux in dataflash on CS0 */ 124 #define CONFIG_ENV_IS_IN_DATAFLASH 1 125 #define CONFIG_SYS_MONITOR_BASE (CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 + 0x8400) 126 #define CONFIG_ENV_OFFSET 0x4200 127 #define CONFIG_ENV_ADDR (CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 + CONFIG_ENV_OFFSET) 128 #define CONFIG_ENV_SIZE 0x4200 129 #define CONFIG_BOOTCOMMAND "cp.b 0xC0084000 0x22000000 0x210000; bootm" 130 #define CONFIG_BOOTARGS "console=ttyS0,115200 " \ 131 "root=/dev/mtdblock0 " \ 132 "mtdparts=atmel_nand:-(root) "\ 133 "rw rootfstype=jffs2" 134 135 #elif CONFIG_SYS_USE_NANDFLASH 136 137 /* bootstrap + u-boot + env + linux in nandflash */ 138 #define CONFIG_ENV_IS_IN_NAND 1 139 #define CONFIG_ENV_OFFSET 0xc0000 140 #define CONFIG_ENV_OFFSET_REDUND 0x100000 141 #define CONFIG_ENV_SIZE 0x20000 /* 1 sector = 128 kB */ 142 #define CONFIG_BOOTCOMMAND "nand read 0x22000000 0x200000 0x600000; " \ 143 "nand read 0x21000000 0x180000 0x80000; " \ 144 "bootz 0x22000000 - 0x21000000" 145 #define CONFIG_BOOTARGS \ 146 "console=ttyS0,115200 earlyprintk " \ 147 "mtdparts=atmel_nand:256k(bootstrap)ro,512k(uboot)ro," \ 148 "256K(env),256k(env_redundant),256k(spare)," \ 149 "512k(dtb),6M(kernel)ro,-(rootfs) " \ 150 "rootfstype=ubifs ubi.mtd=7 root=ubi0:rootfs" 151 152 #else /* CONFIG_SYS_USE_MMC */ 153 154 /* bootstrap + u-boot + env + linux in mmc */ 155 #define CONFIG_ENV_IS_IN_FAT 156 #define CONFIG_FAT_WRITE 157 #define FAT_ENV_INTERFACE "mmc" 158 #define FAT_ENV_FILE "uboot.env" 159 #define FAT_ENV_DEVICE_AND_PART "0" 160 #define CONFIG_ENV_SIZE 0x4000 161 #define CONFIG_BOOTCOMMAND "fatload mmc 0:1 0x21000000 at91sam9rlek.dtb; " \ 162 "fatload mmc 0:1 0x22000000 zImage; " \ 163 "bootz 0x22000000 - 0x21000000" 164 #define CONFIG_BOOTARGS "console=ttyS0,115200 " \ 165 "mtdparts=atmel_nand:" \ 166 "8M(bootstrap/uboot/kernel)ro,-(rootfs) " \ 167 "root=/dev/mmcblk0p2 rw rootwait" 168 #endif 169 170 #define CONFIG_SYS_CBSIZE 256 171 #define CONFIG_SYS_MAXARGS 16 172 #define CONFIG_SYS_LONGHELP 1 173 #define CONFIG_CMDLINE_EDITING 1 174 #define CONFIG_AUTO_COMPLETE 175 176 /* 177 * Size of malloc() pool 178 */ 179 #define CONFIG_SYS_MALLOC_LEN ROUND(3 * CONFIG_ENV_SIZE + 128*1024, 0x1000) 180 181 #endif 182