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_CMD_BOOTZ 35 36 #define CONFIG_ATMEL_LEGACY 37 #define CONFIG_AT91_GPIO 1 38 #define CONFIG_AT91_GPIO_PULLUP 1 39 40 /* 41 * Hardware drivers 42 */ 43 44 /* serial console */ 45 #define CONFIG_ATMEL_USART 46 #define CONFIG_USART_BASE ATMEL_BASE_DBGU 47 #define CONFIG_USART_ID ATMEL_ID_SYS 48 #define CONFIG_BAUDRATE 115200 49 50 /* LCD */ 51 #define CONFIG_LCD 1 52 #define LCD_BPP LCD_COLOR8 53 #define CONFIG_LCD_LOGO 1 54 #undef LCD_TEST_PATTERN 55 #define CONFIG_LCD_INFO 1 56 #define CONFIG_LCD_INFO_BELOW_LOGO 1 57 #define CONFIG_SYS_WHITE_ON_BLACK 1 58 #define CONFIG_ATMEL_LCD 1 59 #define CONFIG_ATMEL_LCD_RGB565 1 60 /* Let board_init_f handle the framebuffer allocation */ 61 #undef CONFIG_FB_ADDR 62 #define CONFIG_SYS_CONSOLE_IS_IN_ENV 1 63 64 65 /* LED */ 66 #define CONFIG_AT91_LED 67 #define CONFIG_RED_LED AT91_PIN_PD14 /* this is the power led */ 68 #define CONFIG_GREEN_LED AT91_PIN_PD15 /* this is the user1 led */ 69 #define CONFIG_YELLOW_LED AT91_PIN_PD16 /* this is the user2 led */ 70 71 #define CONFIG_BOOTDELAY 3 72 73 /* 74 * Command line configuration. 75 */ 76 77 #define CONFIG_CMD_NAND 1 78 79 /* SDRAM */ 80 #define CONFIG_NR_DRAM_BANKS 1 81 #define CONFIG_SYS_SDRAM_BASE ATMEL_BASE_CS1 82 #define CONFIG_SYS_SDRAM_SIZE 0x04000000 83 84 #define CONFIG_SYS_INIT_SP_ADDR \ 85 (ATMEL_BASE_SRAM + 0x1000 - GENERATED_GBL_DATA_SIZE) 86 87 /* DataFlash */ 88 #define CONFIG_ATMEL_DATAFLASH_SPI 89 #define CONFIG_HAS_DATAFLASH 1 90 #define CONFIG_SYS_MAX_DATAFLASH_BANKS 1 91 #define CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 0xC0000000 /* CS0 */ 92 #define AT91_SPI_CLK 15000000 93 #define DATAFLASH_TCSS (0x1a << 16) 94 #define DATAFLASH_TCHS (0x1 << 24) 95 96 /* NOR flash - not present */ 97 #define CONFIG_SYS_NO_FLASH 1 98 99 /* NAND flash */ 100 #ifdef CONFIG_CMD_NAND 101 #define CONFIG_NAND_ATMEL 102 #define CONFIG_SYS_MAX_NAND_DEVICE 1 103 #define CONFIG_SYS_NAND_BASE ATMEL_BASE_CS3 104 #define CONFIG_SYS_NAND_DBW_8 1 105 /* our ALE is AD21 */ 106 #define CONFIG_SYS_NAND_MASK_ALE (1 << 21) 107 /* our CLE is AD22 */ 108 #define CONFIG_SYS_NAND_MASK_CLE (1 << 22) 109 #define CONFIG_SYS_NAND_ENABLE_PIN AT91_PIN_PB6 110 #define CONFIG_SYS_NAND_READY_PIN AT91_PIN_PD17 111 112 #endif 113 114 /* MMC */ 115 #define CONFIG_CMD_MMC 116 117 #ifdef CONFIG_CMD_MMC 118 #define CONFIG_MMC 119 #define CONFIG_GENERIC_MMC 120 #define CONFIG_GENERIC_ATMEL_MCI 121 #define CONFIG_CMD_FAT 122 #define CONFIG_DOS_PARTITION 123 #endif 124 125 /* Ethernet - not present */ 126 127 /* USB - not supported */ 128 129 #define CONFIG_SYS_LOAD_ADDR 0x22000000 /* load address */ 130 131 #define CONFIG_SYS_MEMTEST_START CONFIG_SYS_SDRAM_BASE 132 #define CONFIG_SYS_MEMTEST_END 0x23e00000 133 134 #ifdef CONFIG_SYS_USE_DATAFLASH 135 136 /* bootstrap + u-boot + env + linux in dataflash on CS0 */ 137 #define CONFIG_ENV_IS_IN_DATAFLASH 1 138 #define CONFIG_SYS_MONITOR_BASE (CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 + 0x8400) 139 #define CONFIG_ENV_OFFSET 0x4200 140 #define CONFIG_ENV_ADDR (CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 + CONFIG_ENV_OFFSET) 141 #define CONFIG_ENV_SIZE 0x4200 142 #define CONFIG_BOOTCOMMAND "cp.b 0xC0084000 0x22000000 0x210000; bootm" 143 #define CONFIG_BOOTARGS "console=ttyS0,115200 " \ 144 "root=/dev/mtdblock0 " \ 145 "mtdparts=atmel_nand:-(root) "\ 146 "rw rootfstype=jffs2" 147 148 #elif CONFIG_SYS_USE_NANDFLASH 149 150 /* bootstrap + u-boot + env + linux in nandflash */ 151 #define CONFIG_ENV_IS_IN_NAND 1 152 #define CONFIG_ENV_OFFSET 0xc0000 153 #define CONFIG_ENV_OFFSET_REDUND 0x100000 154 #define CONFIG_ENV_SIZE 0x20000 /* 1 sector = 128 kB */ 155 #define CONFIG_BOOTCOMMAND "nand read 0x22000000 0x200000 0x600000; " \ 156 "nand read 0x21000000 0x180000 0x80000; " \ 157 "bootz 0x22000000 - 0x21000000" 158 #define CONFIG_BOOTARGS \ 159 "console=ttyS0,115200 earlyprintk " \ 160 "mtdparts=atmel_nand:256k(bootstrap)ro,512k(uboot)ro," \ 161 "256K(env),256k(env_redundent),256k(spare)," \ 162 "512k(dtb),6M(kernel)ro,-(rootfs) " \ 163 "rootfstype=ubifs ubi.mtd=7 root=ubi0:rootfs" 164 165 #else /* CONFIG_SYS_USE_MMC */ 166 167 /* bootstrap + u-boot + env + linux in mmc */ 168 #define CONFIG_ENV_IS_IN_FAT 169 #define CONFIG_FAT_WRITE 170 #define FAT_ENV_INTERFACE "mmc" 171 #define FAT_ENV_FILE "uboot.env" 172 #define FAT_ENV_DEVICE_AND_PART "0" 173 #define CONFIG_ENV_SIZE 0x4000 174 #define CONFIG_BOOTCOMMAND "fatload mmc 0:1 0x21000000 at91sam9rlek.dtb; " \ 175 "fatload mmc 0:1 0x22000000 zImage; " \ 176 "bootz 0x22000000 - 0x21000000" 177 #define CONFIG_BOOTARGS "console=ttyS0,115200 " \ 178 "mtdparts=atmel_nand:" \ 179 "8M(bootstrap/uboot/kernel)ro,-(rootfs) " \ 180 "root=/dev/mmcblk0p2 rw rootwait" 181 #endif 182 183 #define CONFIG_SYS_CBSIZE 256 184 #define CONFIG_SYS_MAXARGS 16 185 #define CONFIG_SYS_LONGHELP 1 186 #define CONFIG_CMDLINE_EDITING 1 187 #define CONFIG_AUTO_COMPLETE 188 189 /* 190 * Size of malloc() pool 191 */ 192 #define CONFIG_SYS_MALLOC_LEN ROUND(3 * CONFIG_ENV_SIZE + 128*1024, 0x1000) 193 194 #endif 195