1 /* 2 * Common board functions for Siemens TAURUS (AT91SAM9G20) based boards 3 * (C) Copyright 2013 Siemens AG 4 * 5 * Based on: 6 * U-Boot file: include/configs/at91sam9260ek.h 7 * 8 * (C) Copyright 2007-2008 9 * Stelian Pop <stelian@popies.net> 10 * Lead Tech Design <www.leadtechdesign.com> 11 * 12 * SPDX-License-Identifier: GPL-2.0+ 13 */ 14 15 #ifndef __CONFIG_H 16 #define __CONFIG_H 17 18 /* 19 * SoC must be defined first, before hardware.h is included. 20 * In this case SoC is defined in boards.cfg. 21 */ 22 #include <asm/hardware.h> 23 #include <linux/sizes.h> 24 25 #if defined(CONFIG_SPL_BUILD) 26 #define CONFIG_SYS_ICACHE_OFF 27 #define CONFIG_SYS_DCACHE_OFF 28 #endif 29 /* 30 * Warning: changing CONFIG_SYS_TEXT_BASE requires 31 * adapting the initial boot program. 32 * Since the linker has to swallow that define, we must use a pure 33 * hex number here! 34 */ 35 36 #define CONFIG_SYS_TEXT_BASE 0x21000000 37 38 /* ARM asynchronous clock */ 39 #define CONFIG_SYS_AT91_SLOW_CLOCK 32768 /* slow clock xtal */ 40 #define CONFIG_SYS_AT91_MAIN_CLOCK 18432000 /* main clock xtal */ 41 42 /* Misc CPU related */ 43 #define CONFIG_ARCH_CPU_INIT 44 #define CONFIG_CMDLINE_TAG /* enable passing of ATAGs */ 45 #define CONFIG_SETUP_MEMORY_TAGS 46 #define CONFIG_INITRD_TAG 47 #define CONFIG_SKIP_LOWLEVEL_INIT_ONLY 48 49 /* general purpose I/O */ 50 #define CONFIG_ATMEL_LEGACY /* required until (g)pio is fixed */ 51 #define CONFIG_AT91_GPIO 52 #define CONFIG_AT91_GPIO_PULLUP 1 /* keep pullups on peripheral pins */ 53 54 /* serial console */ 55 #define CONFIG_ATMEL_USART 56 #define CONFIG_USART_BASE ATMEL_BASE_DBGU 57 #define CONFIG_USART_ID ATMEL_ID_SYS 58 59 60 /* 61 * SDRAM: 1 bank, min 32, max 128 MB 62 * Initialized before u-boot gets started. 63 */ 64 #define CONFIG_NR_DRAM_BANKS 1 65 #define CONFIG_SYS_SDRAM_BASE ATMEL_BASE_CS1 66 #define CONFIG_SYS_SDRAM_SIZE (128 * SZ_1M) 67 68 /* 69 * Initial stack pointer: 4k - GENERATED_GBL_DATA_SIZE in internal SRAM, 70 * leaving the correct space for initial global data structure above 71 * that address while providing maximum stack area below. 72 */ 73 #define CONFIG_SYS_INIT_SP_ADDR \ 74 (ATMEL_BASE_SRAM1 + 0x1000 - GENERATED_GBL_DATA_SIZE) 75 76 /* NAND flash */ 77 #ifdef CONFIG_CMD_NAND 78 #define CONFIG_SYS_MAX_NAND_DEVICE 1 79 #define CONFIG_SYS_NAND_BASE ATMEL_BASE_CS3 80 #define CONFIG_SYS_NAND_DBW_8 81 #define CONFIG_SYS_NAND_MASK_ALE (1 << 21) 82 #define CONFIG_SYS_NAND_MASK_CLE (1 << 22) 83 #define CONFIG_SYS_NAND_ENABLE_PIN AT91_PIN_PC14 84 #define CONFIG_SYS_NAND_READY_PIN AT91_PIN_PC13 85 #endif 86 87 /* Ethernet */ 88 #define CONFIG_MACB 89 #define CONFIG_RMII 90 #define CONFIG_AT91_WANTS_COMMON_PHY 91 92 #define CONFIG_AT91SAM9_WATCHDOG 93 #define CONFIG_AT91_HW_WDT_TIMEOUT 15 94 #if !defined(CONFIG_SPL_BUILD) 95 /* Enable the watchdog */ 96 #define CONFIG_HW_WATCHDOG 97 #endif 98 99 /* USB */ 100 #if defined(CONFIG_BOARD_TAURUS) 101 #define CONFIG_USB_ATMEL 102 #define CONFIG_USB_ATMEL_CLK_SEL_PLLB 103 #define CONFIG_USB_OHCI_NEW 104 #define CONFIG_SYS_USB_OHCI_CPU_INIT 105 #define CONFIG_SYS_USB_OHCI_REGS_BASE 0x00500000 106 #define CONFIG_SYS_USB_OHCI_SLOT_NAME "at91sam9260" 107 #define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS 2 108 109 /* USB DFU support */ 110 111 #define CONFIG_USB_GADGET_AT91 112 113 /* DFU class support */ 114 #define CONFIG_SYS_DFU_DATA_BUF_SIZE (SZ_1M) 115 #define DFU_MANIFEST_POLL_TIMEOUT 25000 116 #endif 117 118 /* SPI EEPROM */ 119 #define TAURUS_SPI_MASK (1 << 4) 120 #define TAURUS_SPI_CS_PIN AT91_PIN_PA3 121 122 #if defined(CONFIG_SPL_BUILD) 123 /* SPL related */ 124 #define CONFIG_SPL_SPI_LOAD 125 #define CONFIG_SYS_SPI_U_BOOT_OFFS 0x20000 126 127 #define CONFIG_SF_DEFAULT_BUS 0 128 #define CONFIG_SF_DEFAULT_SPEED 1000000 129 #define CONFIG_SF_DEFAULT_MODE SPI_MODE_3 130 #endif 131 132 /* load address */ 133 #define CONFIG_SYS_LOAD_ADDR 0x22000000 134 135 /* bootstrap in spi flash , u-boot + env + linux in nandflash */ 136 #define CONFIG_ENV_OFFSET 0x100000 137 #define CONFIG_ENV_OFFSET_REDUND 0x180000 138 #define CONFIG_ENV_SIZE (SZ_128K) /* 1 sector = 128 kB */ 139 #define CONFIG_BOOTCOMMAND "nand read 0x22000000 0x200000 0x300000; bootm" 140 141 #define CONFIG_SYS_LONGHELP 142 #define CONFIG_CMDLINE_EDITING 143 #define CONFIG_AUTO_COMPLETE 144 145 /* 146 * Size of malloc() pool 147 */ 148 #define CONFIG_SYS_MALLOC_LEN \ 149 ROUND(3 * CONFIG_ENV_SIZE + SZ_4M, 0x1000) 150 151 /* Defines for SPL */ 152 #define CONFIG_SPL_FRAMEWORK 153 #define CONFIG_SPL_TEXT_BASE 0x0 154 #define CONFIG_SPL_MAX_SIZE (31 * SZ_512) 155 #define CONFIG_SPL_STACK (ATMEL_BASE_SRAM1 + SZ_16K) 156 #define CONFIG_SYS_SPL_MALLOC_START (CONFIG_SYS_TEXT_BASE - \ 157 CONFIG_SYS_MALLOC_LEN) 158 #define CONFIG_SYS_SPL_MALLOC_SIZE CONFIG_SYS_MALLOC_LEN 159 160 #define CONFIG_SPL_BSS_START_ADDR CONFIG_SPL_MAX_SIZE 161 #define CONFIG_SPL_BSS_MAX_SIZE (3 * SZ_512) 162 163 #define CONFIG_SYS_NAND_ENABLE_PIN_SPL (2*32 + 14) 164 #define CONFIG_SYS_USE_NANDFLASH 1 165 #define CONFIG_SPL_NAND_DRIVERS 166 #define CONFIG_SPL_NAND_BASE 167 #define CONFIG_SPL_NAND_ECC 168 #define CONFIG_SPL_NAND_RAW_ONLY 169 #define CONFIG_SPL_NAND_SOFTECC 170 #define CONFIG_SYS_NAND_U_BOOT_OFFS 0x20000 171 #define CONFIG_SYS_NAND_U_BOOT_SIZE SZ_512K 172 #define CONFIG_SYS_NAND_U_BOOT_START CONFIG_SYS_TEXT_BASE 173 #define CONFIG_SYS_NAND_U_BOOT_DST CONFIG_SYS_TEXT_BASE 174 #define CONFIG_SYS_NAND_5_ADDR_CYCLE 175 176 #define CONFIG_SYS_NAND_SIZE (256 * SZ_1M) 177 #define CONFIG_SYS_NAND_PAGE_SIZE SZ_2K 178 #define CONFIG_SYS_NAND_BLOCK_SIZE (SZ_128K) 179 #define CONFIG_SYS_NAND_PAGE_COUNT (CONFIG_SYS_NAND_BLOCK_SIZE / \ 180 CONFIG_SYS_NAND_PAGE_SIZE) 181 #define CONFIG_SYS_NAND_BAD_BLOCK_POS NAND_LARGE_BADBLOCK_POS 182 #define CONFIG_SYS_NAND_ECCSIZE 256 183 #define CONFIG_SYS_NAND_ECCBYTES 3 184 #define CONFIG_SYS_NAND_OOBSIZE 64 185 #define CONFIG_SYS_NAND_ECCPOS { 40, 41, 42, 43, 44, 45, 46, 47, \ 186 48, 49, 50, 51, 52, 53, 54, 55, \ 187 56, 57, 58, 59, 60, 61, 62, 63, } 188 189 #define CONFIG_SPL_ATMEL_SIZE 190 #define CONFIG_SYS_MASTER_CLOCK 132096000 191 #define AT91_PLL_LOCK_TIMEOUT 1000000 192 #define CONFIG_SYS_AT91_PLLA 0x202A3F01 193 #define CONFIG_SYS_MCKR 0x1300 194 #define CONFIG_SYS_MCKR_CSS (0x02 | CONFIG_SYS_MCKR) 195 #define CONFIG_SYS_AT91_PLLB 0x10193F05 196 197 #endif 198