include/configs/iocon.h

   1 /*
   2  * (C) Copyright 2010
   3  * Dirk Eibach,  Guntermann & Drunck GmbH, eibach@gdsys.de
   4  *
   5  * See file CREDITS for list of people who contributed to this
   6  * project.
   7  *
   8  * This program is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU General Public License as
  10  * published by the Free Software Foundation; either version 2 of
  11  * the License, or (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  21  * MA 02111-1307 USA
  22  */
  23
  24 #ifndef __CONFIG_H
  25 #define __CONFIG_H
  26
  27 #define CONFIG_405EP            1       /* this is a PPC405 CPU */
  28 #define CONFIG_4xx              1       /*  member of PPC4xx family */
  29 #define CONFIG_IOCON            1       /*  on a IoCon board */
  30
  31 #define CONFIG_SYS_TEXT_BASE    0xFFFC0000
  32
  33 /*
  34  * Include common defines/options for all AMCC eval boards
  35  */
  36 #define CONFIG_HOSTNAME         iocon
  37 #define CONFIG_IDENT_STRING     " iocon 0.03"
  38 #include "amcc-common.h"
  39
  40 #define CONFIG_BOARD_EARLY_INIT_F       /* call board_early_init_f */
  41 #define CONFIG_LAST_STAGE_INIT
  42
  43 #define CONFIG_SYS_CLK_FREQ     33333333 /* external frequency to pll   */
  44
  45 /*
  46  * Configure PLL
  47  */
  48 #define PLLMR0_DEFAULT PLLMR0_266_133_66
  49 #define PLLMR1_DEFAULT PLLMR1_266_133_66
  50
  51 /* new uImage format support */
  52 #define CONFIG_FIT
  53 #define CONFIG_FIT_VERBOSE      /* enable fit_format_{error,warning}() */
  54
  55 #define CONFIG_ENV_IS_IN_FLASH  /* use FLASH for environment vars */
  56
  57 /*
  58  * Default environment variables
  59  */
  60 #define CONFIG_EXTRA_ENV_SETTINGS                                       \
  61         CONFIG_AMCC_DEF_ENV                                             \
  62         CONFIG_AMCC_DEF_ENV_POWERPC                                     \
  63         CONFIG_AMCC_DEF_ENV_NOR_UPD                                     \
  64         "kernel_addr=fc000000\0"                                        \
  65         "fdt_addr=fc1e0000\0"                                           \
  66         "ramdisk_addr=fc200000\0"                                       \
  67         ""
  68
  69 #define CONFIG_PHY_ADDR         4       /* PHY address                  */
  70 #define CONFIG_HAS_ETH0
  71 #define CONFIG_PHY_CLK_FREQ    EMAC_STACR_CLK_66MHZ
  72
  73 /*
  74  * Commands additional to the ones defined in amcc-common.h
  75  */
  76 #define CONFIG_CMD_CACHE
  77 #undef CONFIG_CMD_EEPROM
  78
  79 /*
  80  * SDRAM configuration (please see cpu/ppc/sdram.[ch])
  81  */
  82 #define CONFIG_SDRAM_BANK0      1       /* init onboard SDRAM bank 0 */
  83
  84 /* SDRAM timings used in datasheet */
  85 #define CONFIG_SYS_SDRAM_CL             3       /* CAS latency */
  86 #define CONFIG_SYS_SDRAM_tRP           20       /* PRECHARGE command period */
  87 #define CONFIG_SYS_SDRAM_tRC           66       /* ACTIVE-to-ACTIVE period */
  88 #define CONFIG_SYS_SDRAM_tRCD          20       /* ACTIVE-to-READ delay */
  89 #define CONFIG_SYS_SDRAM_tRFC          66       /* Auto refresh period */
  90
  91 /*
  92  * If CONFIG_SYS_EXT_SERIAL_CLOCK, then the UART divisor is 1.
  93  * If CONFIG_SYS_405_UART_ERRATA_59, then UART divisor is 31.
  94  * Otherwise, UART divisor is determined by CPU Clock and CONFIG_SYS_BASE_BAUD.
  95  * The Linux BASE_BAUD define should match this configuration.
  96  *    baseBaud = cpuClock/(uartDivisor*16)
  97  * If CONFIG_SYS_405_UART_ERRATA_59 and 200MHz CPU clock,
  98  * set Linux BASE_BAUD to 403200.
  99  */
 100 #define CONFIG_CONS_INDEX               1       /* Use UART0 */
 101 #undef  CONFIG_SYS_EXT_SERIAL_CLOCK             /* external serial clock */
 102 #undef  CONFIG_SYS_405_UART_ERRATA_59           /* 405GP/CR Rev. D silicon */
 103 #define CONFIG_SYS_BASE_BAUD            691200
 104
 105 /*
 106  * I2C stuff
 107  */
 108 #define CONFIG_SYS_I2C_SPEED            400000
 109
 110 /* enable I2C and select the hardware/software driver */
 111 #undef  CONFIG_HARD_I2C                 /* I2C with hardware support    */
 112 #define CONFIG_SOFT_I2C         1       /* I2C bit-banged               */
 113
 114 /*
 115  * Software (bit-bang) I2C driver configuration
 116  */
 117
 118 #ifndef __ASSEMBLY__
 119 void fpga_gpio_set(int pin);
 120 void fpga_gpio_clear(int pin);
 121 int fpga_gpio_get(int pin);
 122 #endif
 123
 124 #define I2C_ACTIVE      { }
 125 #define I2C_TRISTATE    { }
 126 #define I2C_READ        fpga_gpio_get(0x0040) ? 1 : 0
 127 #define I2C_SDA(bit)    if (bit) fpga_gpio_set(0x0040); \
 128                         else fpga_gpio_clear(0x0040)
 129 #define I2C_SCL(bit)    if (bit) fpga_gpio_set(0x0020); \
 130                         else fpga_gpio_clear(0x0020)
 131 #define I2C_DELAY       udelay(25)      /* 1/4 I2C clock duration */
 132
 133 /*
 134  * FLASH organization
 135  */
 136 #define CONFIG_SYS_FLASH_CFI            /* The flash is CFI compatible  */
 137 #define CONFIG_FLASH_CFI_DRIVER         /* Use common CFI driver        */
 138
 139 #define CONFIG_SYS_FLASH_BASE           0xFC000000
 140 #define CONFIG_SYS_FLASH_BANKS_LIST     { CONFIG_SYS_FLASH_BASE }
 141
 142 #define CONFIG_SYS_MAX_FLASH_BANKS      1       /* max num of memory banks */
 143 #define CONFIG_SYS_MAX_FLASH_SECT       512     /* max num of sectors per chip*/
 144
 145 #define CONFIG_SYS_FLASH_ERASE_TOUT     120000  /* Timeout for Flash Erase/ms */
 146 #define CONFIG_SYS_FLASH_WRITE_TOUT     500     /* Timeout for Flash Write/ms */
 147
 148 #define CONFIG_SYS_FLASH_USE_BUFFER_WRITE 1     /* use buff'd writes */
 149 #define CONFIG_SYS_FLASH_PROTECTION     1       /* use hardware flash protect */
 150
 151 #define CONFIG_SYS_FLASH_EMPTY_INFO     /* 'E' for empty sector on flinfo */
 152 #define CONFIG_SYS_FLASH_QUIET_TEST     1       /* no warn upon unknown flash */
 153
 154 #ifdef CONFIG_ENV_IS_IN_FLASH
 155 #define CONFIG_ENV_SECT_SIZE    0x20000 /* size of one complete sector */
 156 #define CONFIG_ENV_ADDR         ((-CONFIG_SYS_MONITOR_LEN)-CONFIG_ENV_SECT_SIZE)
 157 #define CONFIG_ENV_SIZE         0x2000  /* Total Size of Environment Sector */
 158
 159 /* Address and size of Redundant Environment Sector     */
 160 #define CONFIG_ENV_ADDR_REDUND  (CONFIG_ENV_ADDR-CONFIG_ENV_SECT_SIZE)
 161 #define CONFIG_ENV_SIZE_REDUND  (CONFIG_ENV_SIZE)
 162 #endif
 163
 164 /*
 165  * PPC405 GPIO Configuration
 166  */
 167 #define CONFIG_SYS_4xx_GPIO_TABLE { /* GPIO     Alternate1      */ \
 168 { \
 169 /* GPIO Core 0 */ \
 170 { GPIO_BASE, GPIO_OUT, GPIO_ALT1, GPIO_OUT_NO_CHG }, /* GPIO0   PerBLast */ \
 171 { GPIO_BASE, GPIO_OUT, GPIO_SEL,  GPIO_OUT_NO_CHG }, /* GPIO1   TS1E */ \
 172 { GPIO_BASE, GPIO_OUT, GPIO_SEL,  GPIO_OUT_NO_CHG }, /* GPIO2   TS2E */ \
 173 { GPIO_BASE, GPIO_IN,  GPIO_SEL,  GPIO_OUT_NO_CHG }, /* GPIO3   TS1O */ \
 174 { GPIO_BASE, GPIO_OUT, GPIO_SEL,  GPIO_OUT_NO_CHG }, /* GPIO4   TS2O */ \
 175 { GPIO_BASE, GPIO_OUT, GPIO_SEL,  GPIO_OUT_1      }, /* GPIO5   TS3 */ \
 176 { GPIO_BASE, GPIO_IN,  GPIO_SEL,  GPIO_OUT_NO_CHG }, /* GPIO6   TS4 */ \
 177 { GPIO_BASE, GPIO_OUT, GPIO_SEL,  GPIO_OUT_NO_CHG }, /* GPIO7   TS5 */ \
 178 { GPIO_BASE, GPIO_OUT, GPIO_SEL,  GPIO_OUT_NO_CHG }, /* GPIO8   TS6 */ \
 179 { GPIO_BASE, GPIO_OUT, GPIO_SEL,  GPIO_OUT_NO_CHG }, /* GPIO9   TrcClk */ \
 180 { GPIO_BASE, GPIO_OUT, GPIO_ALT1, GPIO_OUT_NO_CHG }, /* GPIO10  PerCS1 */ \
 181 { GPIO_BASE, GPIO_OUT, GPIO_ALT1, GPIO_OUT_NO_CHG }, /* GPIO11  PerCS2 */ \
 182 { GPIO_BASE, GPIO_OUT, GPIO_ALT1, GPIO_OUT_NO_CHG }, /* GPIO12  PerCS3 */ \
 183 { GPIO_BASE, GPIO_OUT, GPIO_ALT1, GPIO_OUT_NO_CHG }, /* GPIO13  PerCS4 */ \
 184 { GPIO_BASE, GPIO_OUT, GPIO_ALT1, GPIO_OUT_NO_CHG }, /* GPIO14  PerAddr03 */ \
 185 { GPIO_BASE, GPIO_OUT, GPIO_ALT1, GPIO_OUT_NO_CHG }, /* GPIO15  PerAddr04 */ \
 186 { GPIO_BASE, GPIO_OUT, GPIO_ALT1, GPIO_OUT_NO_CHG }, /* GPIO16  PerAddr05 */ \
 187 { GPIO_BASE, GPIO_IN,  GPIO_ALT1, GPIO_OUT_NO_CHG }, /* GPIO17  IRQ0 */ \
 188 { GPIO_BASE, GPIO_IN,  GPIO_ALT1, GPIO_OUT_NO_CHG }, /* GPIO18  IRQ1 */ \
 189 { GPIO_BASE, GPIO_IN,  GPIO_ALT1, GPIO_OUT_NO_CHG }, /* GPIO19  IRQ2 */ \
 190 { GPIO_BASE, GPIO_IN,  GPIO_SEL,  GPIO_OUT_NO_CHG }, /* GPIO20  IRQ3 */ \
 191 { GPIO_BASE, GPIO_OUT, GPIO_SEL,  GPIO_OUT_NO_CHG }, /* GPIO21  IRQ4 */ \
 192 { GPIO_BASE, GPIO_OUT, GPIO_SEL,  GPIO_OUT_NO_CHG }, /* GPIO22  IRQ5 */ \
 193 { GPIO_BASE, GPIO_IN,  GPIO_SEL,  GPIO_OUT_NO_CHG }, /* GPIO23  IRQ6 */ \
 194 { GPIO_BASE, GPIO_IN,  GPIO_ALT1, GPIO_OUT_NO_CHG }, /* GPIO24  UART0_DCD */ \
 195 { GPIO_BASE, GPIO_IN,  GPIO_ALT1, GPIO_OUT_NO_CHG }, /* GPIO25  UART0_DSR */ \
 196 { GPIO_BASE, GPIO_IN,  GPIO_ALT1, GPIO_OUT_NO_CHG }, /* GPIO26  UART0_RI */ \
 197 { GPIO_BASE, GPIO_OUT, GPIO_ALT1, GPIO_OUT_NO_CHG }, /* GPIO27  UART0_DTR */ \
 198 { GPIO_BASE, GPIO_IN,  GPIO_ALT1, GPIO_OUT_NO_CHG }, /* GPIO28  UART1_Rx */ \
 199 { GPIO_BASE, GPIO_OUT, GPIO_ALT1, GPIO_OUT_NO_CHG }, /* GPIO29  UART1_Tx */ \
 200 { GPIO_BASE, GPIO_OUT, GPIO_SEL,  GPIO_OUT_NO_CHG }, /* GPIO30  RejectPkt0 */ \
 201 { GPIO_BASE, GPIO_IN,  GPIO_SEL,  GPIO_OUT_NO_CHG }, /* GPIO31  RejectPkt1 */ \
 202 } \
 203 }
 204
 205 /*
 206  * Definitions for initial stack pointer and data area (in data cache)
 207  */
 208 /* use on chip memory (OCM) for temperary stack until sdram is tested */
 209 #define CONFIG_SYS_TEMP_STACK_OCM        1
 210
 211 /* On Chip Memory location */
 212 #define CONFIG_SYS_OCM_DATA_ADDR        0xF8000000
 213 #define CONFIG_SYS_OCM_DATA_SIZE        0x1000
 214 #define CONFIG_SYS_INIT_RAM_ADDR        CONFIG_SYS_OCM_DATA_ADDR /* in SDRAM */
 215 #define CONFIG_SYS_INIT_RAM_END CONFIG_SYS_OCM_DATA_SIZE /* End of used area */
 216
 217 #define CONFIG_SYS_GBL_DATA_SIZE        128  /* size/bytes res'd for init data*/
 218 #define CONFIG_SYS_GBL_DATA_OFFSET \
 219         (CONFIG_SYS_INIT_RAM_END - CONFIG_SYS_GBL_DATA_SIZE)
 220 #define CONFIG_SYS_INIT_SP_OFFSET       CONFIG_SYS_GBL_DATA_OFFSET
 221
 222 /*
 223  * External Bus Controller (EBC) Setup
 224  */
 225
 226 /* Memory Bank 0 (NOR-FLASH) initialization */
 227 #define CONFIG_SYS_EBC_PB0AP            0xa382a880
 228 #define CONFIG_SYS_EBC_PB0CR            0xFC0DA000
 229
 230 /* Memory Bank 1 (NVRAM) initializatio */
 231 #define CONFIG_SYS_EBC_PB1AP            0x92015480
 232 #define CONFIG_SYS_EBC_PB1CR            0xFB858000
 233
 234 /* Memory Bank 2 (FPGA) initialization */
 235 #define CONFIG_SYS_FPGA_BASE            0x7f100000
 236 #define CONFIG_SYS_EBC_PB2AP            0x02825080
 237 #define CONFIG_SYS_EBC_PB2CR            (CONFIG_SYS_FPGA_BASE | 0x1a000)
 238
 239 #define CONFIG_SYS_FPGA_RFL_LOW         0x0000
 240 #define CONFIG_SYS_FPGA_RFL_HIGH        0x00fe
 241
 242 /* Memory Bank 3 (Latches) initialization */
 243 #define CONFIG_SYS_LATCH_BASE           0x7f200000
 244 #define CONFIG_SYS_EBC_PB3AP            0x02025080
 245 #define CONFIG_SYS_EBC_PB3CR            0x7f21a000
 246
 247 #define CONFIG_SYS_LATCH0_RESET         0xffef
 248 #define CONFIG_SYS_LATCH0_BOOT          0xffff
 249 #define CONFIG_SYS_LATCH1_RESET         0xffff
 250 #define CONFIG_SYS_LATCH1_BOOT          0xffff
 251
 252 #endif  /* __CONFIG_H */