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 33 /* 34 * Hardware drivers 35 */ 36 37 /* LCD */ 38 #define LCD_BPP LCD_COLOR8 39 #define CONFIG_LCD_LOGO 1 40 #undef LCD_TEST_PATTERN 41 #define CONFIG_LCD_INFO 1 42 #define CONFIG_LCD_INFO_BELOW_LOGO 1 43 #define CONFIG_ATMEL_LCD 1 44 #define CONFIG_ATMEL_LCD_RGB565 1 45 /* Let board_init_f handle the framebuffer allocation */ 46 #undef CONFIG_FB_ADDR 47 48 /* SDRAM */ 49 #define CONFIG_NR_DRAM_BANKS 1 50 #define CONFIG_SYS_SDRAM_BASE ATMEL_BASE_CS1 51 #define CONFIG_SYS_SDRAM_SIZE 0x04000000 52 53 #define CONFIG_SYS_INIT_SP_ADDR \ 54 (ATMEL_BASE_SRAM + 16 * 1024 - GENERATED_GBL_DATA_SIZE) 55 56 /* DataFlash */ 57 #define CONFIG_ATMEL_DATAFLASH_SPI 58 #define CONFIG_HAS_DATAFLASH 1 59 #define CONFIG_SYS_MAX_DATAFLASH_BANKS 1 60 #define CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 0xC0000000 /* CS0 */ 61 #define AT91_SPI_CLK 15000000 62 #define DATAFLASH_TCSS (0x1a << 16) 63 #define DATAFLASH_TCHS (0x1 << 24) 64 65 /* NAND flash */ 66 #ifdef CONFIG_CMD_NAND 67 #define CONFIG_NAND_ATMEL 68 #define CONFIG_SYS_MAX_NAND_DEVICE 1 69 #define CONFIG_SYS_NAND_BASE ATMEL_BASE_CS3 70 #define CONFIG_SYS_NAND_DBW_8 1 71 /* our ALE is AD21 */ 72 #define CONFIG_SYS_NAND_MASK_ALE (1 << 21) 73 /* our CLE is AD22 */ 74 #define CONFIG_SYS_NAND_MASK_CLE (1 << 22) 75 #define CONFIG_SYS_NAND_ENABLE_PIN AT91_PIN_PB6 76 #define CONFIG_SYS_NAND_READY_PIN AT91_PIN_PD17 77 78 #endif 79 80 /* Ethernet - not present */ 81 82 /* USB - not supported */ 83 84 #define CONFIG_SYS_LOAD_ADDR 0x22000000 /* load address */ 85 86 #define CONFIG_SYS_MEMTEST_START CONFIG_SYS_SDRAM_BASE 87 #define CONFIG_SYS_MEMTEST_END 0x23e00000 88 89 #ifdef CONFIG_SYS_USE_DATAFLASH 90 91 /* bootstrap + u-boot + env + linux in dataflash on CS0 */ 92 #define CONFIG_SYS_MONITOR_BASE (CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 + 0x8400) 93 #define CONFIG_ENV_OFFSET 0x4200 94 #define CONFIG_ENV_ADDR (CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 + CONFIG_ENV_OFFSET) 95 #define CONFIG_ENV_SIZE 0x4200 96 #define CONFIG_BOOTCOMMAND "cp.b 0xC0084000 0x22000000 0x210000; bootm" 97 #define CONFIG_BOOTARGS "console=ttyS0,115200 " \ 98 "root=/dev/mtdblock0 " \ 99 "mtdparts=atmel_nand:-(root) "\ 100 "rw rootfstype=jffs2" 101 102 #elif CONFIG_SYS_USE_NANDFLASH 103 104 /* bootstrap + u-boot + env + linux in nandflash */ 105 #define CONFIG_ENV_OFFSET 0x120000 106 #define CONFIG_ENV_OFFSET_REDUND 0x100000 107 #define CONFIG_ENV_SIZE 0x20000 /* 1 sector = 128 kB */ 108 #define CONFIG_BOOTCOMMAND "nand read 0x22000000 0x200000 0x600000; " \ 109 "nand read 0x21000000 0x180000 0x80000; " \ 110 "bootz 0x22000000 - 0x21000000" 111 #define CONFIG_BOOTARGS \ 112 "console=ttyS0,115200 earlyprintk " \ 113 "mtdparts=atmel_nand:256k(bootstrap)ro,512k(uboot)ro," \ 114 "256K(env),256k(env_redundant),256k(spare)," \ 115 "512k(dtb),6M(kernel)ro,-(rootfs) " \ 116 "rootfstype=ubifs ubi.mtd=7 root=ubi0:rootfs" 117 118 #else /* CONFIG_SYS_USE_MMC */ 119 120 /* bootstrap + u-boot + env + linux in mmc */ 121 #define CONFIG_ENV_SIZE 0x4000 122 #define CONFIG_BOOTCOMMAND "fatload mmc 0:1 0x21000000 at91sam9rlek.dtb; " \ 123 "fatload mmc 0:1 0x22000000 zImage; " \ 124 "bootz 0x22000000 - 0x21000000" 125 #define CONFIG_BOOTARGS "console=ttyS0,115200 " \ 126 "mtdparts=atmel_nand:" \ 127 "8M(bootstrap/uboot/kernel)ro,-(rootfs) " \ 128 "root=/dev/mmcblk0p2 rw rootwait" 129 #endif 130 131 #define CONFIG_SYS_CBSIZE 256 132 #define CONFIG_SYS_MAXARGS 16 133 #define CONFIG_SYS_LONGHELP 1 134 #define CONFIG_CMDLINE_EDITING 1 135 #define CONFIG_AUTO_COMPLETE 136 137 /* 138 * Size of malloc() pool 139 */ 140 #define CONFIG_SYS_MALLOC_LEN ROUND(3 * CONFIG_ENV_SIZE + 128*1024, 0x1000) 141 142 #endif 143