/*
 * (C) Copyright 2007
 * Matthias Fuchs, esd gmbh, matthias.fuchs@esd-electronics.com
 *
 * (C) Copyright 2001-2004
 * Stefan Roese, DENX Software Engineering, sr@denx.de.
 *
 * See file CREDITS for list of people who contributed to this
 * project.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation; either version 2 of
 * the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 * MA 02111-1307 USA
 */

/*
 * board/config.h - configuration options, board specific
 */

#ifndef __CONFIG_H
#define __CONFIG_H

/*
 * High Level Configuration Options
 * (easy to change)
 */
#define CONFIG_405GP            1       /* This is a PPC405 CPU         */
#define CONFIG_4xx              1       /* ...member of PPC4xx family   */
#define CONFIG_PCI405           1       /* ...on a PCI405 board         */

#define CONFIG_SYS_TEXT_BASE    0xFFFD0000

#define CONFIG_BOARD_EARLY_INIT_F 1     /* call board_early_init_f()    */
#define CONFIG_MISC_INIT_R      1       /* call misc_init_r() on init   */

#define CONFIG_SYS_CLK_FREQ     25000000 /* external frequency to pll   */

#define CONFIG_BOARD_TYPES      1       /* support board types          */

#define CONFIG_BAUDRATE         115200
#define CONFIG_BOOTDELAY        0       /* autoboot after 0 seconds     */

#undef  CONFIG_BOOTARGS
#define CONFIG_EXTRA_ENV_SETTINGS                                       \
        "mem_linux=14336k\0"                                            \
        "optargs=panic=0\0"                                             \
        "ramargs=setenv bootargs mem=$mem_linux root=/dev/ram rw\0"     \
        "addcons=setenv bootargs $bootargs console=ttyS0,$baudrate $optargs\0" \
        ""
#define CONFIG_BOOTCOMMAND      "run ramargs;run addcons;loadpci"

#define CONFIG_PREBOOT                  /* enable preboot variable      */

/*
 * Command line configuration.
 */
#include <config_cmd_default.h>

#undef CONFIG_CMD_IMLS
#undef CONFIG_CMD_ITEST
#undef CONFIG_CMD_LOADB
#undef CONFIG_CMD_LOADS
#undef CONFIG_CMD_NET
#undef CONFIG_CMD_NFS

#define CONFIG_CMD_PCI
#define CONFIG_CMD_ELF
#define CONFIG_CMD_I2C
#define CONFIG_CMD_BSP
#define CONFIG_CMD_EEPROM

#undef  CONFIG_WATCHDOG                 /* watchdog disabled            */

#define CONFIG_SDRAM_BANK0      1       /* init onboard SDRAM bank 0    */

#define CONFIG_PRAM             2048    /* reserve 2 MB "protected RAM" */

/*
 * Miscellaneous configurable options
 */
#define CONFIG_SYS_PROMPT       "=> "           /* Monitor Command Prompt       */

#define CONFIG_SYS_HUSH_PARSER                  /* use "hush" command parser    */
#ifdef  CONFIG_SYS_HUSH_PARSER
#define CONFIG_SYS_PROMPT_HUSH_PS2      "> "
#endif

#if defined(CONFIG_CMD_KGDB)
#define CONFIG_SYS_CBSIZE       1024            /* Console I/O Buffer Size      */
#else
#define CONFIG_SYS_CBSIZE       256             /* Console I/O Buffer Size      */
#endif
#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */
#define CONFIG_SYS_MAXARGS      16              /* max number of command args   */
#define CONFIG_SYS_BARGSIZE     CONFIG_SYS_CBSIZE       /* Boot Argument Buffer Size    */

#define CONFIG_SYS_DEVICE_NULLDEV       1       /* include nulldev device       */

#define CONFIG_SYS_CONSOLE_INFO_QUIET   1       /* don't print console @ startup*/

#define CONFIG_SYS_MEMTEST_START        0x0400000       /* memtest works on     */
#define CONFIG_SYS_MEMTEST_END          0x0C00000       /* 4 ... 12 MB in DRAM  */

#define CONFIG_CONS_INDEX       1       /* Use UART0                    */
#define CONFIG_SYS_NS16550
#define CONFIG_SYS_NS16550_SERIAL
#define CONFIG_SYS_NS16550_REG_SIZE     1
#define CONFIG_SYS_NS16550_CLK          get_serial_clock()

#undef  CONFIG_SYS_EXT_SERIAL_CLOCK            /* no external serial clock used */
#define CONFIG_SYS_BASE_BAUD        691200

/* The following table includes the supported baudrates */
#define CONFIG_SYS_BAUDRATE_TABLE       \
        { 300, 600, 1200, 2400, 4800, 9600, 19200, 38400,     \
         57600, 115200, 230400, 460800, 921600 }

#define CONFIG_SYS_LOAD_ADDR    0x100000        /* default load address */
#define CONFIG_SYS_EXTBDINFO    1               /* To use extended board_into (bd_t) */

#define CONFIG_SYS_HZ           1000            /* decrementer freq: 1 ms ticks */

#undef CONFIG_ZERO_BOOTDELAY_CHECK      /* check for keypress on bootdelay==0 */

#define CONFIG_VERSION_VARIABLE 1       /* include version env variable */

/*-----------------------------------------------------------------------
 * PCI stuff
 *-----------------------------------------------------------------------
 */
#define PCI_HOST_ADAPTER 0              /* configure as pci adapter     */
#define PCI_HOST_FORCE  1               /* configure as pci host        */
#define PCI_HOST_AUTO   2               /* detected via arbiter enable  */

#define CONFIG_PCI                      /* include pci support          */
#define CONFIG_PCI_HOST PCI_HOST_ADAPTER /* select pci host function    */
#undef  CONFIG_PCI_PNP                  /* no pci plug-and-play         */
                                        /* resource configuration       */

#define CONFIG_PCI_SCAN_SHOW            /* print pci devices @ startup  */

#define CONFIG_SYS_PCI_SUBSYS_VENDORID 0x12FE   /* PCI Vendor ID: esd gmbh      */
#define CONFIG_SYS_PCI_SUBSYS_DEVICEID 0x0407   /* PCI Device ID: PCI-405       */
#define CONFIG_SYS_PCI_CLASSCODE        0x0280  /* PCI Class Code: Network/Other*/
#define CONFIG_SYS_PCI_PTM1LA   0x00000000      /* point to sdram               */
#define CONFIG_SYS_PCI_PTM1MS   0xff000001      /* 16MB, enable hard-wired to 1 */
#define CONFIG_SYS_PCI_PTM1PCI 0x00000000       /* Host: use this pci address   */

#define CONFIG_SYS_PCI_PTM2LA   0xef600000      /* point to internal regs       */
#define CONFIG_SYS_PCI_PTM2MS   0xffe00001      /* 2MB, enable                  */
#define CONFIG_SYS_PCI_PTM2PCI 0x00000000       /* Host: use this pci address   */

/*-----------------------------------------------------------------------
 * Start addresses for the final memory configuration
 * (Set up by the startup code)
 * Please note that CONFIG_SYS_SDRAM_BASE _must_ start at 0
 */
#define CONFIG_SYS_SDRAM_BASE           0x00000000
#define CONFIG_SYS_FLASH_BASE           0xFFFD0000
#define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE
#define CONFIG_SYS_MONITOR_LEN          (192 * 1024)    /* Reserve 196 kB for Monitor   */
#define CONFIG_SYS_MALLOC_LEN           (128 * 1024)    /* Reserve 128 kB for malloc()  */

/*
 * For booting Linux, the board info and command line data
 * have to be in the first 8 MB of memory, since this is
 * the maximum mapped by the Linux kernel during initialization.
 */
#define CONFIG_SYS_BOOTMAPSZ            (8 << 20)       /* Initial Memory map for Linux */
/*-----------------------------------------------------------------------
 * FLASH organization
 */
#define CONFIG_SYS_MAX_FLASH_BANKS      1       /* max number of memory banks           */
#define CONFIG_SYS_MAX_FLASH_SECT       256     /* max number of sectors on one chip    */

#define CONFIG_SYS_FLASH_ERASE_TOUT     120000  /* Timeout for Flash Erase (in ms)      */
#define CONFIG_SYS_FLASH_WRITE_TOUT     500     /* Timeout for Flash Write (in ms)      */

#define CONFIG_SYS_FLASH_WORD_SIZE      unsigned short  /* flash word size (width)      */
#define CONFIG_SYS_FLASH_ADDR0          0x5555  /* 1st address for flash config cycles  */
#define CONFIG_SYS_FLASH_ADDR1          0x2AAA  /* 2nd address for flash config cycles  */
/*
 * The following defines are added for buggy IOP480 byte interface.
 * All other boards should use the standard values (CPCI405 etc.)
 */
#define CONFIG_SYS_FLASH_READ0          0x0000  /* 0 is standard                        */
#define CONFIG_SYS_FLASH_READ1          0x0001  /* 1 is standard                        */
#define CONFIG_SYS_FLASH_READ2          0x0002  /* 2 is standard                        */

#define CONFIG_SYS_FLASH_EMPTY_INFO             /* print 'E' for empty sector on flinfo */

#define CONFIG_ENV_IS_IN_EEPROM 1       /* use EEPROM for environment vars */
#define CONFIG_ENV_OFFSET               0x000   /* environment starts at the beginning of the EEPROM */
#define CONFIG_ENV_SIZE         0x400   /* 1024 bytes may be used for env vars*/
                                   /* total size of a CAT24WC08 is 1024 bytes */

#define CONFIG_SYS_NVRAM_BASE_ADDR      0xf0200000              /* NVRAM base address   */
#define CONFIG_SYS_NVRAM_SIZE           (32*1024)               /* NVRAM size           */

/*-----------------------------------------------------------------------
 * I2C EEPROM (CAT24WC16) for environment
 */
#define CONFIG_HARD_I2C                 /* I2c with hardware support */
#define CONFIG_PPC4XX_I2C               /* use PPC4xx driver            */
#define CONFIG_SYS_I2C_SPEED            400000  /* I2C speed and slave address */
#define CONFIG_SYS_I2C_SLAVE            0x7F

#define CONFIG_SYS_I2C_EEPROM_ADDR      0x50    /* EEPROM CAT28WC08             */
#define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 1        /* Bytes of address             */
/* mask of address bits that overflow into the "EEPROM chip address"    */
#define CONFIG_SYS_I2C_EEPROM_ADDR_OVERFLOW     0x07
#define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS 4     /* The Catalyst CAT24WC08 has   */
                                        /* 16 byte page write mode using*/
                                        /* last 4 bits of the address   */
#define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS   10   /* and takes up to 10 msec */

/*
 * Init Memory Controller:
 *
 * BR0/1 and OR0/1 (FLASH)
 */

#define FLASH_BASE0_PRELIM      0xFFE00000      /* FLASH bank #0        */

/*-----------------------------------------------------------------------
 * External Bus Controller (EBC) Setup
 */

/* Memory Bank 0 (Flash Bank 0) initialization                                  */
#define CONFIG_SYS_EBC_PB0AP            0x92015480
#define CONFIG_SYS_EBC_PB0CR            0xFFC5A000  /* BAS=0xFFC,BS=4MB,BU=R/W,BW=16bit */

/* Memory Bank 1 (NVRAM/RTC) initialization                                     */
#define CONFIG_SYS_EBC_PB1AP            0x01005280  /* TWT=2,WBN=1,WBF=1,TH=1,SOR=1     */
#define CONFIG_SYS_EBC_PB1CR            0xF0218000  /* BAS=0xF02,BS=1MB,BU=R/W,BW=8bit  */

/* Memory Bank 2 (CAN0, 1) initialization                                       */
#define CONFIG_SYS_EBC_PB2AP            0x010053C0  /* BWT=2,WBN=1,WBF=1,TH=1,RE=1,SOR=1,BEM=1 */
/*#define CONFIG_SYS_EBC_PB2AP            0x038056C0  / * BWT=2,WBN=1,WBF=1,TH=1,RE=1,SOR=1,BEM=1 */
#define CONFIG_SYS_EBC_PB2CR            0xF0018000  /* BAS=0xF00,BS=1MB,BU=R/W,BW=8bit  */

/* Memory Bank 3 (FPGA internal) initialization                                 */
#define CONFIG_SYS_EBC_PB3AP            0x010053C0  /* BWT=2,WBN=1,WBF=1,TH=1,RE=1,SOR=1,BEM=1 */
#define CONFIG_SYS_EBC_PB3CR            0xF041C000  /* BAS=0xF01,BS=1MB,BU=R/W,BW=32bit */
#define CONFIG_SYS_FPGA_BASE_ADDR       0xF0400000

/*-----------------------------------------------------------------------
 * FPGA stuff
 */
/* FPGA internal regs */
#define CONFIG_SYS_FPGA_MODE            0x00
#define CONFIG_SYS_FPGA_STATUS          0x02
#define CONFIG_SYS_FPGA_TS              0x04
#define CONFIG_SYS_FPGA_TS_LOW          0x06
#define CONFIG_SYS_FPGA_TS_CAP0 0x10
#define CONFIG_SYS_FPGA_TS_CAP0_LOW     0x12
#define CONFIG_SYS_FPGA_TS_CAP1 0x14
#define CONFIG_SYS_FPGA_TS_CAP1_LOW     0x16
#define CONFIG_SYS_FPGA_TS_CAP2 0x18
#define CONFIG_SYS_FPGA_TS_CAP2_LOW     0x1a
#define CONFIG_SYS_FPGA_TS_CAP3 0x1c
#define CONFIG_SYS_FPGA_TS_CAP3_LOW     0x1e

/* FPGA Mode Reg */
#define CONFIG_SYS_FPGA_MODE_CF_RESET   0x0001
#define CONFIG_SYS_FPGA_MODE_TS_IRQ_ENABLE 0x0100
#define CONFIG_SYS_FPGA_MODE_TS_IRQ_CLEAR  0x1000
#define CONFIG_SYS_FPGA_MODE_TS_CLEAR   0x2000

/* FPGA Status Reg */
#define CONFIG_SYS_FPGA_STATUS_DIP0     0x0001
#define CONFIG_SYS_FPGA_STATUS_DIP1     0x0002
#define CONFIG_SYS_FPGA_STATUS_DIP2     0x0004
#define CONFIG_SYS_FPGA_STATUS_FLASH    0x0008
#define CONFIG_SYS_FPGA_STATUS_TS_IRQ   0x1000

#define CONFIG_SYS_FPGA_SPARTAN2        1           /* using Xilinx Spartan 2 now    */
#define CONFIG_SYS_FPGA_MAX_SIZE        32*1024     /* 32kByte is enough for XC2S15  */

/* FPGA program pin configuration */
#define CONFIG_SYS_FPGA_PRG             0x04000000  /* FPGA program pin (ppc output) */
#define CONFIG_SYS_FPGA_CLK             0x02000000  /* FPGA clk pin (ppc output)     */
#define CONFIG_SYS_FPGA_DATA            0x01000000  /* FPGA data pin (ppc output)    */
#define CONFIG_SYS_FPGA_INIT            0x00400000  /* FPGA init pin (ppc input)     */
#define CONFIG_SYS_FPGA_DONE            0x00800000  /* FPGA done pin (ppc input)     */
/* new INIT and DONE pins since board revision 1.2 (for PPC405GPr support)   */
#define CONFIG_SYS_FPGA_INIT_V12        0x00008000  /* FPGA init pin (ppc input)     */
#define CONFIG_SYS_FPGA_DONE_V12        0x00010000  /* FPGA done pin (ppc input)     */

/*-----------------------------------------------------------------------
 * Definitions for initial stack pointer and data area (in data cache)
 */
/* use on chip memory ( OCM ) for temperary stack until sdram is tested */
#define CONFIG_SYS_TEMP_STACK_OCM         1
/* On Chip Memory location */
#define CONFIG_SYS_OCM_DATA_ADDR        0xF8000000
#define CONFIG_SYS_OCM_DATA_SIZE        0x1000
#define CONFIG_SYS_INIT_RAM_ADDR        CONFIG_SYS_OCM_DATA_ADDR /* inside of SDRAM             */
#define CONFIG_SYS_INIT_RAM_SIZE        CONFIG_SYS_OCM_DATA_SIZE /* Size of used area in RAM    */

#define CONFIG_SYS_GBL_DATA_OFFSET    (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
#define CONFIG_SYS_INIT_SP_OFFSET       CONFIG_SYS_GBL_DATA_OFFSET

#endif  /* __CONFIG_H */