/*
 * (C) Copyright 2001-2003
 * Stefan Roese, esd gmbh germany, stefan.roese@esd-electronics.com
 *
 * 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_405EP            1       /* This is a PPC405 CPU         */
#define CONFIG_4xx              1       /* ...member of PPC4xx family   */
#define CONFIG_ASH405           1       /* ...on a ASH405 board         */

#define CONFIG_SYS_TEXT_BASE    0xFFFC0000

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

#define CONFIG_SYS_CLK_FREQ     33333300 /* external frequency to pll   */

#define CONFIG_BAUDRATE         9600
#define CONFIG_BOOTDELAY        3       /* autoboot after 3 seconds     */

#undef  CONFIG_BOOTARGS
#undef  CONFIG_BOOTCOMMAND

#define CONFIG_PREBOOT                  /* enable preboot variable      */

#define CONFIG_LOADS_ECHO       1       /* echo on for serial download  */
#define CONFIG_SYS_LOADS_BAUD_CHANGE    1       /* allow baudrate change        */

#undef  CONFIG_HAS_ETH1

#define CONFIG_PPC4xx_EMAC
#define CONFIG_MII              1       /* MII PHY management           */
#define CONFIG_PHY_ADDR         0       /* PHY address                  */
#define CONFIG_LXT971_NO_SLEEP  1       /* disable sleep mode in LXT971 */
#define CONFIG_RESET_PHY_R      1       /* use reset_phy() to disable phy sleep mode */

#define CONFIG_PHY_CLK_FREQ     EMAC_STACR_CLK_66MHZ /* 66 MHz OPB clock*/


/*
 * BOOTP options
 */
#define CONFIG_BOOTP_BOOTFILESIZE
#define CONFIG_BOOTP_BOOTPATH
#define CONFIG_BOOTP_GATEWAY
#define CONFIG_BOOTP_HOSTNAME


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

#define CONFIG_CMD_DHCP
#define CONFIG_CMD_IRQ
#define CONFIG_CMD_ELF
#define CONFIG_CMD_NAND
#define CONFIG_CMD_DATE
#define CONFIG_CMD_I2C
#define CONFIG_CMD_MII
#define CONFIG_CMD_PING
#define CONFIG_CMD_EEPROM


#undef  CONFIG_WATCHDOG                 /* watchdog disabled            */

#define CONFIG_RTC_MC146818             /* DS1685 is MC146818 compatible*/
#define CONFIG_SYS_RTC_REG_BASE_ADDR     0xF0000500 /* RTC Base Address         */

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

/*
 * Miscellaneous configurable options
 */
#define CONFIG_SYS_LONGHELP                     /* undef to save memory         */
#define CONFIG_SYS_PROMPT       "=> "           /* Monitor Command Prompt       */

#undef  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 */

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

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

#define CONFIG_SYS_RX_ETH_BUFFER        16      /* use 16 rx buffer on 405 emac */

/*-----------------------------------------------------------------------
 * NAND-FLASH stuff
 *-----------------------------------------------------------------------
 */
#define CONFIG_SYS_NAND_BASE_LIST       { CONFIG_SYS_NAND_BASE }
#define CONFIG_SYS_MAX_NAND_DEVICE      1         /* Max number of NAND devices */
#define NAND_BIG_DELAY_US       25

#define CONFIG_SYS_NAND_CE             (0x80000000 >> 1)   /* our CE is GPIO1  */
#define CONFIG_SYS_NAND_RDY            (0x80000000 >> 4)   /* our RDY is GPIO4 */
#define CONFIG_SYS_NAND_CLE            (0x80000000 >> 2)   /* our CLE is GPIO2 */
#define CONFIG_SYS_NAND_ALE            (0x80000000 >> 3)   /* our ALE is GPIO3 */

#define CONFIG_SYS_NAND_SKIP_BAD_DOT_I  1       /* ".i" read skips bad blocks   */
#define CONFIG_SYS_NAND_QUIET           1

/*-----------------------------------------------------------------------
 * 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_HOST   /* select pci host function     */
#undef  CONFIG_PCI_PNP                  /* do pci plug-and-play         */
                                        /* resource configuration       */

#undef  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 0x0405   /* PCI Device ID: CPCI-405      */
#define CONFIG_SYS_PCI_CLASSCODE        0x0b20  /* PCI Class Code: Processor/PPC*/
#define CONFIG_SYS_PCI_PTM1LA   0x00000000      /* point to sdram               */
#define CONFIG_SYS_PCI_PTM1MS   0xfc000001      /* 64MB, enable hard-wired to 1 */
#define CONFIG_SYS_PCI_PTM1PCI 0x00000000       /* Host: use this pci address   */
#define CONFIG_SYS_PCI_PTM2LA   0xffc00000      /* point to flash               */
#define CONFIG_SYS_PCI_PTM2MS   0xffc00001      /* 4MB, enable                  */
#define CONFIG_SYS_PCI_PTM2PCI 0x04000000       /* 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           0xFFFC0000
#define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE
#define CONFIG_SYS_MONITOR_LEN          (256 * 1024)    /* Reserve 256 kB for Monitor   */
#define CONFIG_SYS_MALLOC_LEN           (256 * 1024)    /* Reserve 256 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     1000    /* 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 */

#if 0 /* test-only */
#define CONFIG_SYS_JFFS2_FIRST_BANK     0           /* use for JFFS2 */
#define CONFIG_SYS_JFFS2_NUM_BANKS      1           /* ! second bank contains U-Boot */
#endif

/*-----------------------------------------------------------------------
 * Environment Variable setup
 */
#define CONFIG_ENV_IS_IN_EEPROM 1       /* use EEPROM for environment vars */
#define CONFIG_ENV_OFFSET               0x100   /* environment starts at the beginning of the EEPROM */
#define CONFIG_ENV_SIZE         0x700   /* 2048 bytes may be used for env vars*/
                                   /* total size of a CAT24WC16 is 2048 bytes */

#define CONFIG_SYS_NVRAM_BASE_ADDR      0xF0000500              /* NVRAM base address   */
#define CONFIG_SYS_NVRAM_SIZE           242                     /* 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      0xFFC00000      /* FLASH bank #0        */

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

/* Memory Bank 0 (Flash Bank 0, NOR-FLASH) initialization                       */
#define CONFIG_SYS_EBC_PB0AP            0x92015480
/*#define CONFIG_SYS_EBC_PB0AP            0x08055880  /XXX* TWT=16,CSN=1,OEN=1,WBN=1,WBF=1,TH=4,SOR=1 */
#define CONFIG_SYS_EBC_PB0CR            0xFFC5A000  /* BAS=0xFFC,BS=4MB,BU=R/W,BW=16bit */

/* Memory Bank 1 (Flash Bank 1, NAND-FLASH) initialization                      */
#define CONFIG_SYS_EBC_PB1AP            0x92015480
#define CONFIG_SYS_EBC_PB1CR            0xF4018000  /* BAS=0xF40,BS=1MB,BU=R/W,BW=8bit  */

/* Memory Bank 2 (8 Bit Peripheral: CAN, UART, RTC) 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_PB2CR            0xF0018000  /* BAS=0xF00,BS=1MB,BU=R/W,BW=8bit  */

/* Memory Bank 3 (16 Bit Peripheral: FPGA internal, dig. IO) 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            0xF011A000  /* BAS=0xF01,BS=1MB,BU=R/W,BW=16bit */

#define CAN_BA          0xF0000000          /* CAN Base Address                 */
#define DUART0_BA       0xF0000400          /* DUART Base Address               */
#define DUART1_BA       0xF0000408          /* DUART Base Address               */
#define DUART2_BA       0xF0000410          /* DUART Base Address               */
#define DUART3_BA       0xF0000418          /* DUART Base Address               */
#define RTC_BA          0xF0000500          /* RTC Base Address                 */
#define CONFIG_SYS_NAND_BASE    0xF4000000

/*-----------------------------------------------------------------------
 * FPGA stuff
 */
#define CONFIG_SYS_FPGA_SPARTAN2        1           /* using Xilinx Spartan 2 now    */
#define CONFIG_SYS_FPGA_MAX_SIZE        128*1024    /* 128kByte is enough for XC2S50E*/

/* 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            0x00010000  /* FPGA init pin (ppc input)     */
#define CONFIG_SYS_FPGA_DONE            0x00008000  /* 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

/*-----------------------------------------------------------------------
 * Definitions for GPIO setup (PPC405EP specific)
 *
 * GPIO0[0]     - External Bus Controller BLAST output
 * GPIO0[1-9]   - Instruction trace outputs -> GPIO
 * GPIO0[10-13] - External Bus Controller CS_1 - CS_4 outputs
 * GPIO0[14-16] - External Bus Controller ABUS3-ABUS5 outputs -> GPIO
 * GPIO0[17-23] - External Interrupts IRQ0 - IRQ6 inputs
 * GPIO0[24-27] - UART0 control signal inputs/outputs
 * GPIO0[28-29] - UART1 data signal input/output
 * GPIO0[30-31] - EMAC0 and EMAC1 reject packet inputs
 */
#define CONFIG_SYS_GPIO0_OSRL           0x40000550
#define CONFIG_SYS_GPIO0_OSRH           0x00000110
#define CONFIG_SYS_GPIO0_ISR1L          0x00000000
#define CONFIG_SYS_GPIO0_ISR1H          0x15555445
#define CONFIG_SYS_GPIO0_TSRL           0x00000000
#define CONFIG_SYS_GPIO0_TSRH           0x00000000
#define CONFIG_SYS_GPIO0_TCR            0xF7FE0014

#define CONFIG_SYS_DUART_RST            (0x80000000 >> 14)

/*
 * Default speed selection (cpu_plb_opb_ebc) in mhz.
 * This value will be set if iic boot eprom is disabled.
 */
#if 0
#define PLLMR0_DEFAULT   PLLMR0_266_133_66_33
#define PLLMR1_DEFAULT   PLLMR1_266_133_66_33
#endif
#if 1
#define PLLMR0_DEFAULT   PLLMR0_200_100_50_33
#define PLLMR1_DEFAULT   PLLMR1_200_100_50_33
#endif
#if 0
#define PLLMR0_DEFAULT   PLLMR0_133_66_66_33
#define PLLMR1_DEFAULT   PLLMR1_133_66_66_33
#endif

#endif  /* __CONFIG_H */