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 #define CONFIG_BOARD_EARLY_INIT_F 27 28 #define CONFIG_CMDLINE_TAG 1 /* enable passing of ATAGs */ 29 #define CONFIG_SETUP_MEMORY_TAGS 1 30 #define CONFIG_INITRD_TAG 1 31 32 #define CONFIG_DISPLAY_CPUINFO 33 34 #define CONFIG_ATMEL_LEGACY 35 #define CONFIG_AT91_GPIO 1 36 #define CONFIG_AT91_GPIO_PULLUP 1 37 38 /* 39 * Hardware drivers 40 */ 41 42 /* serial console */ 43 #define CONFIG_ATMEL_USART 44 #define CONFIG_USART_BASE ATMEL_BASE_DBGU 45 #define CONFIG_USART_ID ATMEL_ID_SYS 46 #define CONFIG_BAUDRATE 115200 47 48 /* LCD */ 49 #define CONFIG_LCD 1 50 #define LCD_BPP LCD_COLOR8 51 #define CONFIG_LCD_LOGO 1 52 #undef LCD_TEST_PATTERN 53 #define CONFIG_LCD_INFO 1 54 #define CONFIG_LCD_INFO_BELOW_LOGO 1 55 #define CONFIG_SYS_WHITE_ON_BLACK 1 56 #define CONFIG_ATMEL_LCD 1 57 #define CONFIG_ATMEL_LCD_RGB565 1 58 /* Let board_init_f handle the framebuffer allocation */ 59 #undef CONFIG_FB_ADDR 60 #define CONFIG_SYS_CONSOLE_IS_IN_ENV 1 61 62 /* LED */ 63 #define CONFIG_AT91_LED 64 #define CONFIG_RED_LED AT91_PIN_PD14 /* this is the power led */ 65 #define CONFIG_GREEN_LED AT91_PIN_PD15 /* this is the user1 led */ 66 #define CONFIG_YELLOW_LED AT91_PIN_PD16 /* this is the user2 led */ 67 68 69 /* 70 * Command line configuration. 71 */ 72 73 #define CONFIG_CMD_NAND 1 74 75 /* SDRAM */ 76 #define CONFIG_NR_DRAM_BANKS 1 77 #define CONFIG_SYS_SDRAM_BASE ATMEL_BASE_CS1 78 #define CONFIG_SYS_SDRAM_SIZE 0x04000000 79 80 #define CONFIG_SYS_INIT_SP_ADDR \ 81 (ATMEL_BASE_SRAM + 0x1000 - GENERATED_GBL_DATA_SIZE) 82 83 /* DataFlash */ 84 #define CONFIG_ATMEL_DATAFLASH_SPI 85 #define CONFIG_HAS_DATAFLASH 1 86 #define CONFIG_SYS_MAX_DATAFLASH_BANKS 1 87 #define CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 0xC0000000 /* CS0 */ 88 #define AT91_SPI_CLK 15000000 89 #define DATAFLASH_TCSS (0x1a << 16) 90 #define DATAFLASH_TCHS (0x1 << 24) 91 92 /* NOR flash - not present */ 93 #define CONFIG_SYS_NO_FLASH 1 94 95 /* NAND flash */ 96 #ifdef CONFIG_CMD_NAND 97 #define CONFIG_NAND_ATMEL 98 #define CONFIG_SYS_MAX_NAND_DEVICE 1 99 #define CONFIG_SYS_NAND_BASE ATMEL_BASE_CS3 100 #define CONFIG_SYS_NAND_DBW_8 1 101 /* our ALE is AD21 */ 102 #define CONFIG_SYS_NAND_MASK_ALE (1 << 21) 103 /* our CLE is AD22 */ 104 #define CONFIG_SYS_NAND_MASK_CLE (1 << 22) 105 #define CONFIG_SYS_NAND_ENABLE_PIN AT91_PIN_PB6 106 #define CONFIG_SYS_NAND_READY_PIN AT91_PIN_PD17 107 108 #endif 109 110 /* MMC */ 111 112 #ifdef CONFIG_CMD_MMC 113 #define CONFIG_MMC 114 #define CONFIG_GENERIC_MMC 115 #define CONFIG_GENERIC_ATMEL_MCI 116 #define CONFIG_DOS_PARTITION 117 #endif 118 119 /* Ethernet - not present */ 120 121 /* USB - not supported */ 122 123 #define CONFIG_SYS_LOAD_ADDR 0x22000000 /* load address */ 124 125 #define CONFIG_SYS_MEMTEST_START CONFIG_SYS_SDRAM_BASE 126 #define CONFIG_SYS_MEMTEST_END 0x23e00000 127 128 #ifdef CONFIG_SYS_USE_DATAFLASH 129 130 /* bootstrap + u-boot + env + linux in dataflash on CS0 */ 131 #define CONFIG_ENV_IS_IN_DATAFLASH 1 132 #define CONFIG_SYS_MONITOR_BASE (CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 + 0x8400) 133 #define CONFIG_ENV_OFFSET 0x4200 134 #define CONFIG_ENV_ADDR (CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 + CONFIG_ENV_OFFSET) 135 #define CONFIG_ENV_SIZE 0x4200 136 #define CONFIG_BOOTCOMMAND "cp.b 0xC0084000 0x22000000 0x210000; bootm" 137 #define CONFIG_BOOTARGS "console=ttyS0,115200 " \ 138 "root=/dev/mtdblock0 " \ 139 "mtdparts=atmel_nand:-(root) "\ 140 "rw rootfstype=jffs2" 141 142 #elif CONFIG_SYS_USE_NANDFLASH 143 144 /* bootstrap + u-boot + env + linux in nandflash */ 145 #define CONFIG_ENV_IS_IN_NAND 1 146 #define CONFIG_ENV_OFFSET 0xc0000 147 #define CONFIG_ENV_OFFSET_REDUND 0x100000 148 #define CONFIG_ENV_SIZE 0x20000 /* 1 sector = 128 kB */ 149 #define CONFIG_BOOTCOMMAND "nand read 0x22000000 0x200000 0x600000; " \ 150 "nand read 0x21000000 0x180000 0x80000; " \ 151 "bootz 0x22000000 - 0x21000000" 152 #define CONFIG_BOOTARGS \ 153 "console=ttyS0,115200 earlyprintk " \ 154 "mtdparts=atmel_nand:256k(bootstrap)ro,512k(uboot)ro," \ 155 "256K(env),256k(env_redundent),256k(spare)," \ 156 "512k(dtb),6M(kernel)ro,-(rootfs) " \ 157 "rootfstype=ubifs ubi.mtd=7 root=ubi0:rootfs" 158 159 #else /* CONFIG_SYS_USE_MMC */ 160 161 /* bootstrap + u-boot + env + linux in mmc */ 162 #define CONFIG_ENV_IS_IN_FAT 163 #define CONFIG_FAT_WRITE 164 #define FAT_ENV_INTERFACE "mmc" 165 #define FAT_ENV_FILE "uboot.env" 166 #define FAT_ENV_DEVICE_AND_PART "0" 167 #define CONFIG_ENV_SIZE 0x4000 168 #define CONFIG_BOOTCOMMAND "fatload mmc 0:1 0x21000000 at91sam9rlek.dtb; " \ 169 "fatload mmc 0:1 0x22000000 zImage; " \ 170 "bootz 0x22000000 - 0x21000000" 171 #define CONFIG_BOOTARGS "console=ttyS0,115200 " \ 172 "mtdparts=atmel_nand:" \ 173 "8M(bootstrap/uboot/kernel)ro,-(rootfs) " \ 174 "root=/dev/mmcblk0p2 rw rootwait" 175 #endif 176 177 #define CONFIG_SYS_CBSIZE 256 178 #define CONFIG_SYS_MAXARGS 16 179 #define CONFIG_SYS_LONGHELP 1 180 #define CONFIG_CMDLINE_EDITING 1 181 #define CONFIG_AUTO_COMPLETE 182 183 /* 184 * Size of malloc() pool 185 */ 186 #define CONFIG_SYS_MALLOC_LEN ROUND(3 * CONFIG_ENV_SIZE + 128*1024, 0x1000) 187 188 #endif 189