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