include/configs/taurus.h

   1 /* SPDX-License-Identifier: GPL-2.0+ */
   2 /*
   3  * Common board functions for Siemens TAURUS (AT91SAM9G20) based boards
   4  * (C) Copyright 2013 Siemens AG
   5  *
   6  * Based on:
   7  * U-Boot file: include/configs/at91sam9260ek.h
   8  *
   9  * (C) Copyright 2007-2008
  10  * Stelian Pop <stelian@popies.net>
  11  * Lead Tech Design <www.leadtechdesign.com>
  12  */
  13
  14 #ifndef __CONFIG_H
  15 #define __CONFIG_H
  16
  17 /*
  18  * SoC must be defined first, before hardware.h is included.
  19  * In this case SoC is defined in boards.cfg.
  20  */
  21 #include <asm/hardware.h>
  22 #include <linux/sizes.h>
  23
  24 /*
  25  * Warning: changing CONFIG_SYS_TEXT_BASE requires
  26  * adapting the initial boot program.
  27  * Since the linker has to swallow that define, we must use a pure
  28  * hex number here!
  29  */
  30
  31 /* ARM asynchronous clock */
  32 #define CONFIG_SYS_AT91_SLOW_CLOCK      32768           /* slow clock xtal */
  33 #define CONFIG_SYS_AT91_MAIN_CLOCK      18432000        /* main clock xtal */
  34
  35 /* Misc CPU related */
  36
  37 #define CONFIG_USART_BASE               ATMEL_BASE_DBGU
  38 #define CONFIG_USART_ID                 ATMEL_ID_SYS
  39
  40 /*
  41  * SDRAM: 1 bank, min 32, max 128 MB
  42  * Initialized before u-boot gets started.
  43  */
  44 #define CONFIG_SYS_SDRAM_BASE           ATMEL_BASE_CS1
  45 #define CONFIG_SYS_SDRAM_SIZE           (128 * SZ_1M)
  46
  47 /*
  48  * Initial stack pointer: 4k - GENERATED_GBL_DATA_SIZE in internal SRAM,
  49  * leaving the correct space for initial global data structure above
  50  * that address while providing maximum stack area below.
  51  */
  52 #define CONFIG_SYS_INIT_RAM_SIZE        0x1000
  53 #define CONFIG_SYS_INIT_RAM_ADDR        ATMEL_BASE_SRAM1
  54
  55 /* NAND flash */
  56 #ifdef CONFIG_CMD_NAND
  57 #define CONFIG_SYS_MAX_NAND_DEVICE      1
  58 #define CONFIG_SYS_NAND_BASE            ATMEL_BASE_CS3
  59 #define CONFIG_SYS_NAND_DBW_8
  60 #define CONFIG_SYS_NAND_MASK_ALE        (1 << 21)
  61 #define CONFIG_SYS_NAND_MASK_CLE        (1 << 22)
  62 #define CONFIG_SYS_NAND_ENABLE_PIN      AT91_PIN_PC14
  63 #define CONFIG_SYS_NAND_READY_PIN       AT91_PIN_PC13
  64 #endif
  65
  66 /* USB */
  67 #if defined(CONFIG_BOARD_TAURUS)
  68 #define CONFIG_SYS_USB_OHCI_REGS_BASE           0x00500000
  69
  70 /* USB DFU support */
  71
  72 #define CONFIG_USB_GADGET_AT91
  73
  74 /* DFU class support */
  75 #define DFU_MANIFEST_POLL_TIMEOUT       25000
  76 #endif
  77
  78 /* SPI EEPROM */
  79 #define TAURUS_SPI_MASK (1 << 4)
  80
  81 /* bootstrap in spi flash , u-boot + env + linux in nandflash */
  82
  83 #if defined(CONFIG_BOARD_AXM)
  84 #define CONFIG_EXTRA_ENV_SETTINGS \
  85         "addip=setenv bootargs ${bootargs} ip=${ipaddr}:${serverip}:" \
  86                 "${gatewayip}:${netmask}:${hostname}:${netdev}::off\0" \
  87         "addtest=setenv bootargs ${bootargs} loglevel=4 test\0" \
  88         "boot_file=setenv bootfile /${project_dir}/kernel/uImage\0" \
  89         "boot_retries=0\0" \
  90         "ethact=macb0\0" \
  91         "flash_nfs=run nand_kernel;run nfsargs;run addip;" \
  92                 "upgrade_available;bootm ${kernel_ram};reset\0" \
  93         "flash_self=run nand_kernel;run setbootargs;upgrade_available;" \
  94                 "bootm ${kernel_ram};reset\0" \
  95         "flash_self_test=run nand_kernel;run setbootargs addtest;" \
  96                 "upgrade_available;bootm ${kernel_ram};reset\0" \
  97         "hostname=systemone\0" \
  98         "kernel_Off=0x00200000\0" \
  99         "kernel_Off_fallback=0x03800000\0" \
 100         "kernel_ram=0x21500000\0" \
 101         "kernel_size=0x00400000\0" \
 102         "kernel_size_fallback=0x00400000\0" \
 103         "loads_echo=1\0" \
 104         "nand_kernel=nand read.e ${kernel_ram} ${kernel_Off} " \
 105                 "${kernel_size}\0" \
 106         "net_nfs=run boot_file;tftp ${kernel_ram} ${bootfile};" \
 107                 "run nfsargs;run addip;upgrade_available;" \
 108                 "bootm ${kernel_ram};reset\0" \
 109         "netdev=eth0\0" \
 110         "nfsargs=run root_path;setenv bootargs ${bootargs} root=/dev/nfs " \
 111                 "rw nfsroot=${serverip}:${rootpath} " \
 112                 "at91sam9_wdt.wdt_timeout=16\0" \
 113         "partitionset_active=A\0" \
 114         "preboot=echo;echo Type 'run flash_self' to use kernel and root " \
 115                 "filesystem on memory;echo Type 'run flash_nfs' to use " \
 116                 "kernel from memory and root filesystem over NFS;echo Type " \
 117                 "'run net_nfs' to get Kernel over TFTP and mount root " \
 118                 "filesystem over NFS;echo\0" \
 119         "project_dir=systemone\0" \
 120         "root_path=setenv rootpath /home/projects/${project_dir}/rootfs\0" \
 121         "rootfs=/dev/mtdblock5\0" \
 122         "rootfs_fallback=/dev/mtdblock7\0" \
 123         "setbootargs=setenv bootargs ${bootargs} console=ttyMTD,mtdoops " \
 124                 "root=${rootfs} rootfstype=jffs2 panic=7 " \
 125                 "at91sam9_wdt.wdt_timeout=16\0" \
 126         "stderr=serial\0" \
 127         "stdin=serial\0" \
 128         "stdout=serial\0" \
 129         "upgrade_available=0\0"
 130 #endif
 131
 132 /* Defines for SPL */
 133
 134 #define CONFIG_SYS_NAND_ENABLE_PIN_SPL  (2*32 + 14)
 135 #define CONFIG_SYS_NAND_U_BOOT_SIZE     SZ_512K
 136 #define CONFIG_SYS_NAND_U_BOOT_START    CONFIG_SYS_TEXT_BASE
 137 #define CONFIG_SYS_NAND_U_BOOT_DST      CONFIG_SYS_TEXT_BASE
 138
 139 #define CONFIG_SYS_NAND_SIZE            (256 * SZ_1M)
 140 #define CONFIG_SYS_NAND_ECCSIZE         256
 141 #define CONFIG_SYS_NAND_ECCBYTES        3
 142 #define CONFIG_SYS_NAND_ECCPOS          { 40, 41, 42, 43, 44, 45, 46, 47, \
 143                                           48, 49, 50, 51, 52, 53, 54, 55, \
 144                                           56, 57, 58, 59, 60, 61, 62, 63, }
 145
 146 #define CONFIG_SYS_MASTER_CLOCK         132096000
 147 #define AT91_PLL_LOCK_TIMEOUT           1000000
 148 #define CONFIG_SYS_AT91_PLLA            0x202A3F01
 149 #define CONFIG_SYS_MCKR                 0x1300
 150 #define CONFIG_SYS_MCKR_CSS             (0x02 | CONFIG_SYS_MCKR)
 151 #define CONFIG_SYS_AT91_PLLB            0x10193F05
 152
 153 #endif