include/configs/km/km_arm.h

   1 /* SPDX-License-Identifier: GPL-2.0+ */
   2 /*
   3  * (C) Copyright 2009
   4  * Marvell Semiconductor <www.marvell.com>
   5  * Prafulla Wadaskar <prafulla@marvell.com>
   6  *
   7  * (C) Copyright 2009
   8  * Stefan Roese, DENX Software Engineering, sr@denx.de.
   9  *
  10  * (C) Copyright 2010-2011
  11  * Heiko Schocher, DENX Software Engineering, hs@denx.de.
  12  */
  13
  14 /*
  15  * for linking errors see
  16  * http://lists.denx.de/pipermail/u-boot/2009-July/057350.html
  17  */
  18
  19 #ifndef _CONFIG_KM_ARM_H
  20 #define _CONFIG_KM_ARM_H
  21
  22 #define CONFIG_NAND_ECC_BCH
  23
  24 /* include common defines/options for all Keymile boards */
  25 #include "keymile-common.h"
  26
  27 /* Increase max size of compressed kernel */
  28
  29 #include "asm/arch/config.h"
  30
  31 /* architecture specific default bootargs */
  32 #define CONFIG_KM_DEF_BOOT_ARGS_CPU                                     \
  33                 "bootcountaddr=${bootcountaddr} ${mtdparts}"            \
  34                 " boardid=0x${IVM_BoardId} hwkey=0x${IVM_HWKey}"
  35
  36 #define CONFIG_KM_DEF_ENV_CPU                                           \
  37         "u-boot=" CONFIG_HOSTNAME "/u-boot.kwb\0"               \
  38         CONFIG_KM_UPDATE_UBOOT                                          \
  39         "set_fdthigh=setenv fdt_high ${kernelmem}\0"                    \
  40         "checkfdt="                                                     \
  41                 "if cramfsls fdt_0x${IVM_BoardId}_0x${IVM_HWKey}.dtb; " \
  42                 "then true; else setenv cramfsloadfdt true; "           \
  43                 "setenv boot bootm ${load_addr_r}; "                    \
  44                 "echo No FDT found, booting with the kernel "           \
  45                 "appended one; fi\0"                                    \
  46         ""
  47
  48 /*
  49  * NAND Flash configuration
  50  */
  51 #define CONFIG_SYS_MAX_NAND_DEVICE      1
  52
  53 /*
  54  * Other required minimal configurations
  55  */
  56
  57 /*
  58  * Ethernet Driver configuration
  59  */
  60 #define PHY_ANEG_TIMEOUT        8000    /* PHY needs a longer autoneg timeout */
  61 #define CONFIG_MVGBE_PORTS      {1, 0}  /* enable port 0 only */
  62 #define CONFIG_PHY_BASE_ADR     0
  63
  64 /*
  65  * I2C related stuff
  66  */
  67 #undef CONFIG_I2C_MVTWSI
  68 #define CONFIG_SYS_I2C_INIT_BOARD
  69
  70 #define CONFIG_SYS_NUM_I2C_BUSES        6
  71 #define CONFIG_SYS_I2C_MAX_HOPS         1
  72 #define CONFIG_SYS_I2C_BUSES    {       {0, {I2C_NULL_HOP} }, \
  73                                         {0, {{I2C_MUX_PCA9547, 0x70, 1} } }, \
  74                                         {0, {{I2C_MUX_PCA9547, 0x70, 2} } }, \
  75                                         {0, {{I2C_MUX_PCA9547, 0x70, 3} } }, \
  76                                         {0, {{I2C_MUX_PCA9547, 0x70, 4} } }, \
  77                                         {0, {{I2C_MUX_PCA9547, 0x70, 5} } }, \
  78                                 }
  79
  80 #ifndef __ASSEMBLY__
  81 #include <asm/arch/gpio.h>
  82 #include <linux/delay.h>
  83 #include <linux/stringify.h>
  84 extern void __set_direction(unsigned pin, int high);
  85 #define KM_KIRKWOOD_SDA_PIN     8
  86 #define KM_KIRKWOOD_SCL_PIN     9
  87 #define KM_KIRKWOOD_SOFT_I2C_GPIOS      0x0300
  88 #define KM_KIRKWOOD_ENV_WP      38
  89
  90 #define I2C_ACTIVE      __set_direction(KM_KIRKWOOD_SDA_PIN, 0)
  91 #define I2C_TRISTATE    __set_direction(KM_KIRKWOOD_SDA_PIN, 1)
  92 #define I2C_READ        (kw_gpio_get_value(KM_KIRKWOOD_SDA_PIN) ? 1 : 0)
  93 #define I2C_SDA(bit)    kw_gpio_set_value(KM_KIRKWOOD_SDA_PIN, bit)
  94 #define I2C_SCL(bit)    kw_gpio_set_value(KM_KIRKWOOD_SCL_PIN, bit)
  95 #endif
  96
  97 #define I2C_DELAY       udelay(1)
  98 #define I2C_SOFT_DECLARATIONS
  99
 100 /*
 101  *  Environment variables configurations
 102  */
 103 #if defined CONFIG_KM_ENV_IS_IN_SPI_NOR
 104 #define CONFIG_ENV_TOTAL_SIZE           0x20000     /* no bracets! */
 105 #else
 106 #define CONFIG_SYS_EEPROM_WREN
 107 #define CONFIG_I2C_ENV_EEPROM_BUS 5 /* I2C2 (Mux-Port 5) */
 108 #endif
 109
 110 #define KM_FLASH_GPIO_PIN       16
 111
 112 #define CONFIG_KM_UPDATE_UBOOT                                          \
 113         "update="                                                       \
 114                 "sf probe 0;sf erase 0 +${filesize};"                   \
 115                 "sf write ${load_addr_r} 0 ${filesize};\0"
 116
 117 #if defined CONFIG_KM_ENV_IS_IN_SPI_NOR
 118 #define CONFIG_KM_NEW_ENV                                               \
 119         "newenv=sf probe 0;"                                            \
 120                 "sf erase " __stringify(CONFIG_ENV_OFFSET) " "          \
 121                 __stringify(CONFIG_ENV_TOTAL_SIZE)"\0"
 122 #else
 123 #define CONFIG_KM_NEW_ENV                                               \
 124         "newenv=setenv addr 0x100000 && "                               \
 125                 "i2c dev " __stringify(CONFIG_I2C_ENV_EEPROM_BUS) "; "  \
 126                 "mw.b ${addr} 0 4 && "                                  \
 127                 "eeprom write " __stringify(CONFIG_SYS_I2C_EEPROM_ADDR) \
 128                 " ${addr} " __stringify(CONFIG_ENV_OFFSET) " 4 && "     \
 129                 "eeprom write " __stringify(CONFIG_SYS_I2C_EEPROM_ADDR) \
 130                 " ${addr} " __stringify(CONFIG_ENV_OFFSET_REDUND) " 4\0"
 131 #endif
 132
 133 #ifndef CONFIG_KM_BOARD_EXTRA_ENV
 134 #define CONFIG_KM_BOARD_EXTRA_ENV       ""
 135 #endif
 136
 137 /*
 138  * Default environment variables
 139  */
 140 #define CONFIG_EXTRA_ENV_SETTINGS                                       \
 141         CONFIG_KM_BOARD_EXTRA_ENV                                       \
 142         CONFIG_KM_DEF_ENV                                               \
 143         CONFIG_KM_NEW_ENV                                               \
 144         "arch=arm\0"                                                    \
 145         ""
 146
 147 /* additions for new relocation code, must be added to all boards */
 148 #define CONFIG_SYS_SDRAM_BASE           0x00000000
 149
 150 /* address for the bootcount (taken from end of RAM) */
 151 #define BOOTCOUNT_ADDR          (CONFIG_KM_RESERVED_PRAM)
 152
 153 /* enable POST tests */
 154 #define CONFIG_POST     (CONFIG_SYS_POST_MEM_REGIONS)
 155 #define CONFIG_POST_SKIP_ENV_FLAGS
 156 #define CONFIG_POST_EXTERNAL_WORD_FUNCS
 157
 158 #endif /* _CONFIG_KM_ARM_H */