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 /*
  23  * High Level Configuration Options (easy to change)
  24  */
  25 #define CONFIG_FEROCEON_88FR131         /* CPU Core subversion */
  26 #define CONFIG_KW88F6281                /* SOC Name */
  27
  28 #define CONFIG_MACH_TYPE        MACH_TYPE_KM_KIRKWOOD
  29
  30 #define CONFIG_NAND_ECC_BCH
  31
  32 /* include common defines/options for all Keymile boards */
  33 #include "keymile-common.h"
  34
  35 /* Reserve 4 MB for malloc */
  36 #define CONFIG_SYS_MALLOC_LEN           (4 * 1024 * 1024)
  37
  38 #include "asm/arch/config.h"
  39
  40 #define CONFIG_SYS_LOAD_ADDR    0x00800000      /* default load adr- 8M */
  41
  42 /* architecture specific default bootargs */
  43 #define CONFIG_KM_DEF_BOOT_ARGS_CPU                                     \
  44                 "bootcountaddr=${bootcountaddr} ${mtdparts}"            \
  45                 " boardid=0x${IVM_BoardId} hwkey=0x${IVM_HWKey}"
  46
  47 #define CONFIG_KM_DEF_ENV_CPU                                           \
  48         "u-boot="CONFIG_HOSTNAME "/u-boot.kwb\0"                \
  49         CONFIG_KM_UPDATE_UBOOT                                          \
  50         "set_fdthigh=setenv fdt_high ${kernelmem}\0"                    \
  51         "checkfdt="                                                     \
  52                 "if cramfsls fdt_0x${IVM_BoardId}_0x${IVM_HWKey}.dtb; " \
  53                 "then true; else setenv cramfsloadfdt true; "           \
  54                 "setenv boot bootm ${load_addr_r}; "                    \
  55                 "echo No FDT found, booting with the kernel "           \
  56                 "appended one; fi\0"                                    \
  57         ""
  58
  59 #define CONFIG_SKIP_LOWLEVEL_INIT       /* disable board lowlevel_init */
  60
  61 /*
  62  * For booting Linux, the board info and command line data
  63  * have to be in the first 8 MB of memory, since this is
  64  * the maximum mapped by the Linux kernel during initialization.
  65  */
  66 #define CONFIG_CMDLINE_TAG              /* enable passing of ATAGs  */
  67 #define CONFIG_INITRD_TAG               /* enable INITRD tag */
  68 #define CONFIG_SETUP_MEMORY_TAGS        /* enable memory tag */
  69
  70 /*
  71  * NAND Flash configuration
  72  */
  73 #define CONFIG_SYS_MAX_NAND_DEVICE      1
  74
  75 /*
  76  * Other required minimal configurations
  77  */
  78
  79 /*
  80  * Ethernet Driver configuration
  81  */
  82 #define PHY_ANEG_TIMEOUT        8000    /* PHY needs a longer autoneg timeout */
  83 #define CONFIG_MVGBE_PORTS      {1, 0}  /* enable port 0 only */
  84 #define CONFIG_PHY_BASE_ADR     0
  85
  86 /*
  87  * I2C related stuff
  88  */
  89 #undef CONFIG_I2C_MVTWSI
  90 #define CONFIG_SYS_I2C
  91 #define CONFIG_SYS_I2C_SOFT     /* I2C bit-banged       */
  92 #define CONFIG_SYS_I2C_INIT_BOARD
  93
  94 #define CONFIG_KIRKWOOD_GPIO            /* Enable GPIO Support */
  95 #define CONFIG_SYS_NUM_I2C_BUSES        6
  96 #define CONFIG_SYS_I2C_MAX_HOPS         1
  97 #define CONFIG_SYS_I2C_BUSES    {       {0, {I2C_NULL_HOP} }, \
  98                                         {0, {{I2C_MUX_PCA9547, 0x70, 1} } }, \
  99                                         {0, {{I2C_MUX_PCA9547, 0x70, 2} } }, \
 100                                         {0, {{I2C_MUX_PCA9547, 0x70, 3} } }, \
 101                                         {0, {{I2C_MUX_PCA9547, 0x70, 4} } }, \
 102                                         {0, {{I2C_MUX_PCA9547, 0x70, 5} } }, \
 103                                 }
 104
 105 #ifndef __ASSEMBLY__
 106 #include <asm/arch/gpio.h>
 107 #include <linux/delay.h>
 108 #include <linux/stringify.h>
 109 extern void __set_direction(unsigned pin, int high);
 110 void set_sda(int state);
 111 void set_scl(int state);
 112 int get_sda(void);
 113 int get_scl(void);
 114 #define KM_KIRKWOOD_SDA_PIN     8
 115 #define KM_KIRKWOOD_SCL_PIN     9
 116 #define KM_KIRKWOOD_SOFT_I2C_GPIOS      0x0300
 117 #define KM_KIRKWOOD_ENV_WP      38
 118
 119 #define I2C_ACTIVE      __set_direction(KM_KIRKWOOD_SDA_PIN, 0)
 120 #define I2C_TRISTATE    __set_direction(KM_KIRKWOOD_SDA_PIN, 1)
 121 #define I2C_READ        (kw_gpio_get_value(KM_KIRKWOOD_SDA_PIN) ? 1 : 0)
 122 #define I2C_SDA(bit)    kw_gpio_set_value(KM_KIRKWOOD_SDA_PIN, bit)
 123 #define I2C_SCL(bit)    kw_gpio_set_value(KM_KIRKWOOD_SCL_PIN, bit)
 124 #endif
 125
 126 #define I2C_DELAY       udelay(1)
 127 #define I2C_SOFT_DECLARATIONS
 128
 129 #define CONFIG_SYS_I2C_SOFT_SLAVE       0x0
 130 #define CONFIG_SYS_I2C_SOFT_SPEED       100000
 131
 132 /* EEprom support 24C128, 24C256 valid for environment eeprom */
 133 #define CONFIG_SYS_EEPROM_PAGE_WRITE_ENABLE
 134 #define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS       6 /* 64 Byte write page */
 135 #define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS   10
 136
 137 #define CONFIG_SYS_I2C_EEPROM_ADDR      0x50
 138 #define CONFIG_SYS_I2C_EEPROM_ADDR_LEN  2
 139
 140 /*
 141  *  Environment variables configurations
 142  */
 143 #if defined CONFIG_KM_ENV_IS_IN_SPI_NOR
 144 #define CONFIG_ENV_TOTAL_SIZE           0x20000     /* no bracets! */
 145 #else
 146 #define CONFIG_SYS_DEF_EEPROM_ADDR      0x50
 147 #define CONFIG_ENV_EEPROM_IS_ON_I2C
 148 #define CONFIG_SYS_EEPROM_WREN
 149 #define CONFIG_I2C_ENV_EEPROM_BUS 5 /* I2C2 (Mux-Port 5) */
 150 #endif
 151
 152 #define KM_FLASH_GPIO_PIN       16
 153
 154 #define CONFIG_KM_UPDATE_UBOOT                                          \
 155         "update="                                                       \
 156                 "sf probe 0;sf erase 0 +${filesize};"                   \
 157                 "sf write ${load_addr_r} 0 ${filesize};\0"
 158
 159 #if defined CONFIG_KM_ENV_IS_IN_SPI_NOR
 160 #define CONFIG_KM_NEW_ENV                                               \
 161         "newenv=sf probe 0;"                                            \
 162                 "sf erase " __stringify(CONFIG_ENV_OFFSET) " "          \
 163                 __stringify(CONFIG_ENV_TOTAL_SIZE)"\0"
 164 #else
 165 #define CONFIG_KM_NEW_ENV                                               \
 166         "newenv=setenv addr 0x100000 && "                               \
 167                 "i2c dev " __stringify(CONFIG_I2C_ENV_EEPROM_BUS) "; "  \
 168                 "mw.b ${addr} 0 4 && "                                  \
 169                 "eeprom write " __stringify(CONFIG_SYS_DEF_EEPROM_ADDR) \
 170                 " ${addr} " __stringify(CONFIG_ENV_OFFSET) " 4 && "     \
 171                 "eeprom write " __stringify(CONFIG_SYS_DEF_EEPROM_ADDR) \
 172                 " ${addr} " __stringify(CONFIG_ENV_OFFSET_REDUND) " 4\0"
 173 #endif
 174
 175 #ifndef CONFIG_KM_BOARD_EXTRA_ENV
 176 #define CONFIG_KM_BOARD_EXTRA_ENV       ""
 177 #endif
 178
 179 /*
 180  * Default environment variables
 181  */
 182 #define CONFIG_EXTRA_ENV_SETTINGS                                       \
 183         CONFIG_KM_BOARD_EXTRA_ENV                                       \
 184         CONFIG_KM_DEF_ENV                                               \
 185         CONFIG_KM_NEW_ENV                                               \
 186         "arch=arm\0"                                                    \
 187         ""
 188
 189 /* additions for new relocation code, must be added to all boards */
 190 #define CONFIG_SYS_SDRAM_BASE           0x00000000
 191
 192 /* address for the bootcount (taken from end of RAM) */
 193 #define BOOTCOUNT_ADDR          (CONFIG_KM_RESERVED_PRAM)
 194
 195 /* enable POST tests */
 196 #define CONFIG_POST     (CONFIG_SYS_POST_MEM_REGIONS)
 197 #define CONFIG_POST_SKIP_ENV_FLAGS
 198 #define CONFIG_POST_EXTERNAL_WORD_FUNCS
 199
 200 #endif /* _CONFIG_KM_ARM_H */