/*
 * (C) Copyright 2001
 * Wolfgang Denk, DENX Software Engineering, wd@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

/*
 * Imported from global configuration:
 *	CONFIG_L2_CACHE
 *	CONFIG_266MHz
 */

/*
 * High Level Configuration Options
 * (easy to change)
 */

#define CONFIG_MPC8260		1	/* This is a MPC8260 CPU		*/

#if 0
#define CONFIG_TQM8260		100	/* ...on a TQM8260 module Rev.100	*/
#else
#define CONFIG_TQM8260		200	/* ...on a TQM8260 module Rev.200	*/
#endif

/* Define 60x busmode only if your TQM8260 has L2 cache! */
#ifdef CONFIG_L2_CACHE
#  define CONFIG_BUSMODE_60x	1	/* bus mode: 60x			*/
#else
#  undef  CONFIG_BUSMODE_60x		/* bus mode: 8260			*/
#endif

#define CONFIG_82xx_CONS_SMC1	1	/* console on SMC1			*/

#define CONFIG_BOOTDELAY	5	/* autoboot after 5 seconds	*/

#define	CONFIG_CLOCKS_IN_MHZ	1	/* clocks passsed to Linux in MHz */

#define CONFIG_PREBOOT	"echo;echo Type \"run flash_nfs\" to mount root filesystem over NFS;echo"

#undef	CONFIG_BOOTARGS
#define CONFIG_BOOTCOMMAND							\
	"bootp; " 								\
	"setenv bootargs root=/dev/nfs rw nfsroot=$(serverip):$(rootpath) " 	\
	"ip=$(ipaddr):$(serverip):$(gatewayip):$(netmask):$(hostname)::off; " 	\
	"bootm"

#define CONFIG_SOFT_I2C		1	/* I2C support				*/
#define CONFIG_I2C_X		1	/* extended EEPROM addressing		*/

# define CFG_I2C_EEPROM_ADDR	0x50
# define CFG_EEPROM_PAGE_WRITE_BITS 5

/*
 * select serial console configuration
 *
 * if either CONFIG_CONS_ON_SMC or CONFIG_CONS_ON_SCC is selected, then
 * CONFIG_CONS_INDEX must be set to the channel number (1-2 for SMC, 1-4
 * for SCC).
 *
 * if CONFIG_CONS_NONE is defined, then the serial console routines must
 * defined elsewhere (for example, on the cogent platform, there are serial
 * ports on the motherboard which are used for the serial console - see
 * cogent/cma101/serial.[ch]).
 */
#define CONFIG_CONS_ON_SMC		/* define if console on SMC */
#undef  CONFIG_CONS_ON_SCC		/* define if console on SCC */
#undef  CONFIG_CONS_NONE		/* define if console on something else*/
#ifdef CONFIG_82xx_CONS_SMC1
#define CONFIG_CONS_INDEX	1	/* which serial channel for console */
#endif
#ifdef CONFIG_82xx_CONS_SMC2
#define CONFIG_CONS_INDEX	2	/* which serial channel for console */
#endif

#undef  CONFIG_CONS_USE_EXTC		/* SMC/SCC use ext clock not brg_clk */
#define CONFIG_CONS_EXTC_RATE	3686400	/* SMC/SCC ext clk rate in Hz */
#define CONFIG_CONS_EXTC_PINSEL	0	/* pin select 0=CLK3/CLK9 */

/*
 * select ethernet configuration
 *
 * if either CONFIG_ETHER_ON_SCC or CONFIG_ETHER_ON_FCC is selected, then
 * CONFIG_ETHER_INDEX must be set to the channel number (1-4 for SCC, 1-3
 * for FCC)
 *
 * if CONFIG_ETHER_NONE is defined, then either the ethernet routines must be
 * defined elsewhere (as for the console), or CFG_CMD_NET must be removed
 * from CONFIG_COMMANDS to remove support for networking.
 *
 * (On TQM8260 either SCC1 or FCC2 may be chosen: SCC1 is hardwired to the
 * X.29 connector, and FCC2 is hardwired to the X.1 connector)
 */
#undef	CONFIG_ETHER_ON_SCC		/* define if ether on SCC       */
#define	CONFIG_ETHER_ON_FCC		/* define if ether on FCC       */
#undef	CONFIG_ETHER_NONE		/* define if ether on something else */
#define	CONFIG_ETHER_INDEX    2		/* which SCC/FCC channel for ethernet */

#if defined(CONFIG_ETHER_ON_SCC) && (CONFIG_ETHER_INDEX == 1)

/*
 *  - RX clk is CLK11
 *  - TX clk is CLK12
 */
# define CFG_CMXSCR_VALUE	(CMXSCR_RS1CS_CLK11 | CMXSCR_TS1CS_CLK12)

#elif defined(CONFIG_ETHER_ON_FCC) && (CONFIG_ETHER_INDEX == 2)

/* 
 * - Rx-CLK is CLK13
 * - Tx-CLK is CLK14
 * - RAM for BD/Buffers is on the 60x Bus (see 28-13)
 * - Enable Full Duplex in FSMR
 */
# define CFG_CMXFCR_MASK	(CMXFCR_FC2|CMXFCR_RF2CS_MSK|CMXFCR_TF2CS_MSK)
# define CFG_CMXFCR_VALUE	(CMXFCR_RF2CS_CLK13|CMXFCR_TF2CS_CLK14)
# define CFG_CPMFCR_RAMTYPE	0
# define CFG_FCC_PSMR		(FCC_PSMR_FDE|FCC_PSMR_LPB)

#endif /* CONFIG_ETHER_ON_FCC, CONFIG_ETHER_INDEX */


/* system clock rate (CLKIN) - equal to the 60x and local bus speed */
#define CONFIG_8260_CLKIN	66666666	/* in Hz */

#if defined(CONFIG_CONS_NONE) || defined(CONFIG_CONS_USE_EXTC)
#define CONFIG_BAUDRATE		230400
#else
#define CONFIG_BAUDRATE		9600
#endif

#define CONFIG_LOADS_ECHO	1	/* echo on for serial download	*/
#undef	CFG_LOADS_BAUD_CHANGE		/* don't allow baudrate change	*/

#undef	CONFIG_WATCHDOG			/* watchdog disabled		*/

#define CONFIG_BOOTP_MASK	(CONFIG_BOOTP_DEFAULT|CONFIG_BOOTP_BOOTFILESIZE)

#define CONFIG_COMMANDS		(CONFIG_CMD_DFL | CFG_CMD_EEPROM)

/* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
#include <cmd_confdefs.h>

/*
 * Miscellaneous configurable options
 */
#define	CFG_LONGHELP			/* undef to save memory		*/
#define	CFG_PROMPT	"=> "		/* Monitor Command Prompt	*/
#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
#define	CFG_CBSIZE	1024		/* Console I/O Buffer Size	*/
#else
#define	CFG_CBSIZE	256		/* Console I/O Buffer Size	*/
#endif
#define	CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
#define	CFG_MAXARGS	16		/* max number of command args	*/
#define CFG_BARGSIZE	CFG_CBSIZE	/* Boot Argument Buffer Size	*/

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

#define	CFG_LOAD_ADDR	0x100000	/* default load address	*/

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

#define CFG_BAUDRATE_TABLE	{ 9600, 19200, 38400, 57600, 115200 }

#define	CFG_RESET_ADDRESS 0xFFFFFFFC	/* "bad" address		*/

/*
 * 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 CFG_BOOTMAPSZ        (8 << 20)       /* Initial Memory map for Linux */


/* What should the base address of the main FLASH be and how big is
 * it (in MBytes)? This must contain TEXT_BASE from board/tqm8260/config.mk
 * The main FLASH is whichever is connected to *CS0.
 */
#define CFG_FLASH0_BASE 0x40000000
#define CFG_FLASH1_BASE 0x60000000
#define CFG_FLASH0_SIZE 32
#define CFG_FLASH1_SIZE 32

/* Flash bank size (for preliminary settings)
 */
#define CFG_FLASH_SIZE CFG_FLASH0_SIZE

/*-----------------------------------------------------------------------
 * FLASH organization
 */
#define CFG_MAX_FLASH_BANKS	1	/* max num of memory banks      */
#define CFG_MAX_FLASH_SECT	128	/* max num of sects on one chip */

#define CFG_FLASH_ERASE_TOUT	240000	/* Flash Erase Timeout (in ms)  */
#define CFG_FLASH_WRITE_TOUT	500	/* Flash Write Timeout (in ms)  */

#if 0
/* Start port with environment in flash; switch to EEPROM later */
#define CFG_ENV_IS_IN_FLASH	1
#define CFG_ENV_ADDR		(CFG_FLASH_BASE+0x40000)
#define CFG_ENV_SIZE		0x40000
#define CFG_ENV_SECT_SIZE	0x40000
#else
/* Final version: environment in EEPROM */
#define CFG_ENV_IS_IN_EEPROM	1
#define CFG_ENV_OFFSET		0
#define CFG_ENV_SIZE		2048
#endif

/*-----------------------------------------------------------------------
 * Hard Reset Configuration Words
 *
 * if you change bits in the HRCW, you must also change the CFG_*
 * defines for the various registers affected by the HRCW e.g. changing
 * HRCW_DPPCxx requires you to also change CFG_SIUMCR.
 */
#ifndef CONFIG_266MHz
#define CFG_HRCW_MASTER		(HRCW_CIP | HRCW_ISB111 | HRCW_BMS)
#else
#define CFG_HRCW_MASTER		(HRCW_CIP | HRCW_ISB111 | HRCW_BMS | HRCW_MODCK_H0111)
#endif

/* no slaves so just fill with zeros */
#define CFG_HRCW_SLAVE1		0
#define CFG_HRCW_SLAVE2		0
#define CFG_HRCW_SLAVE3		0
#define CFG_HRCW_SLAVE4		0
#define CFG_HRCW_SLAVE5		0
#define CFG_HRCW_SLAVE6		0
#define CFG_HRCW_SLAVE7		0

/*-----------------------------------------------------------------------
 * Internal Memory Mapped Register
 */
#define CFG_IMMR		0xFFF00000

/*-----------------------------------------------------------------------
 * Definitions for initial stack pointer and data area (in DPRAM)
 */
#define CFG_INIT_RAM_ADDR	CFG_IMMR
#define CFG_INIT_RAM_END	0x4000  /* End of used area in DPRAM    */
#define CFG_INIT_DATA_SIZE	128 /* size in bytes reserved for initial data*/
#define CFG_INIT_DATA_OFFSET	(CFG_INIT_RAM_END - CFG_INIT_DATA_SIZE)
#define CFG_INIT_SP_OFFSET	CFG_INIT_DATA_OFFSET

/*-----------------------------------------------------------------------
 * Start addresses for the final memory configuration
 * (Set up by the startup code)
 * Please note that CFG_SDRAM_BASE _must_ start at 0
 *
 * 60x SDRAM is mapped at CFG_SDRAM_BASE, local SDRAM
 * is mapped at SDRAM_BASE2_PRELIM.
 */
#define CFG_SDRAM_BASE		0x00000000
#define CFG_FLASH_BASE		CFG_FLASH0_BASE
#define CFG_MONITOR_BASE	TEXT_BASE
#define CFG_MONITOR_LEN		(256 << 10)	/* Reserve 256 kB for Monitor */
#define CFG_MALLOC_LEN		(128 << 10)	/* Reserve 128 kB for malloc()*/

/*
 * Internal Definitions
 *
 * Boot Flags
 */
#define BOOTFLAG_COLD		0x01	/* Normal Power-On: Boot from FLASH*/
#define BOOTFLAG_WARM		0x02	/* Software reboot                 */


/*-----------------------------------------------------------------------
 * Cache Configuration
 */
#define CFG_CACHELINE_SIZE      32      /* For MPC8260 CPU              */
#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
# define CFG_CACHELINE_SHIFT	5	/* log base 2 of the above value */
#endif

/*-----------------------------------------------------------------------
 * HIDx - Hardware Implementation-dependent Registers                    2-11
 *-----------------------------------------------------------------------
 * HID0 also contains cache control - initially enable both caches and
 * invalidate contents, then the final state leaves only the instruction
 * cache enabled. Note that Power-On and Hard reset invalidate the caches,
 * but Soft reset does not.
 *
 * HID1 has only read-only information - nothing to set.
 */
#define CFG_HID0_INIT   (HID0_ICE|HID0_DCE|HID0_ICFI|HID0_DCI|\
                                HID0_IFEM|HID0_ABE)
#define CFG_HID0_FINAL  (HID0_IFEM|HID0_ABE)
#define CFG_HID2        0

/*-----------------------------------------------------------------------
 * RMR - Reset Mode Register                                     5-5
 *-----------------------------------------------------------------------
 * turn on Checkstop Reset Enable
 */
#define CFG_RMR         RMR_CSRE

/*-----------------------------------------------------------------------
 * BCR - Bus Configuration                                       4-25
 *-----------------------------------------------------------------------
 */
#ifdef	CONFIG_BUSMODE_60x
#define CFG_BCR         (BCR_EBM|BCR_L2C|BCR_LETM|\
			 BCR_NPQM0|BCR_NPQM1|BCR_NPQM2)	/* 60x mode  */
#else
#define BCR_APD01	0x10000000
#define CFG_BCR		(BCR_APD01|BCR_ETM|BCR_LETM)	/* 8260 mode */
#endif

/*-----------------------------------------------------------------------
 * SIUMCR - SIU Module Configuration                             4-31
 *-----------------------------------------------------------------------
 */
#if 0
#define CFG_SIUMCR      (SIUMCR_DPPC10|SIUMCR_APPC10)
#else
#define CFG_SIUMCR      (SIUMCR_DPPC00|SIUMCR_APPC10)
#endif


/*-----------------------------------------------------------------------
 * SYPCR - System Protection Control                             4-35
 * SYPCR can only be written once after reset!
 *-----------------------------------------------------------------------
 * Watchdog & Bus Monitor Timer max, 60x Bus Monitor enable
 */
#if defined(CONFIG_WATCHDOG)
#define CFG_SYPCR       (SYPCR_SWTC|SYPCR_BMT|SYPCR_PBME|SYPCR_LBME|\
                         SYPCR_SWRI|SYPCR_SWP|SYPCR_SWE)
#else
#define CFG_SYPCR       (SYPCR_SWTC|SYPCR_BMT|SYPCR_PBME|SYPCR_LBME|\
                         SYPCR_SWRI|SYPCR_SWP)
#endif /* CONFIG_WATCHDOG */

/*-----------------------------------------------------------------------
 * TMCNTSC - Time Counter Status and Control                     4-40
 *-----------------------------------------------------------------------
 * Clear once per Second and Alarm Interrupt Status, Set 32KHz timersclk,
 * and enable Time Counter
 */
#define CFG_TMCNTSC     (TMCNTSC_SEC|TMCNTSC_ALR|TMCNTSC_TCF|TMCNTSC_TCE)

/*-----------------------------------------------------------------------
 * PISCR - Periodic Interrupt Status and Control                 4-42
 *-----------------------------------------------------------------------
 * Clear Periodic Interrupt Status, Set 32KHz timersclk, and enable
 * Periodic timer
 */
#define CFG_PISCR       (PISCR_PS|PISCR_PTF|PISCR_PTE)

/*-----------------------------------------------------------------------
 * SCCR - System Clock Control                                   9-8
 *-----------------------------------------------------------------------
 * Ensure DFBRG is Divide by 16
 */
#define CFG_SCCR        0

/*-----------------------------------------------------------------------
 * RCCR - RISC Controller Configuration                         13-7
 *-----------------------------------------------------------------------
 */
#define CFG_RCCR        0

/*
 * Init Memory Controller:
 *
 * Bank Bus     Machine PortSz  Device
 * ---- ---     ------- ------  ------
 *  0   60x     GPCM    64 bit  FLASH
 *  1   60x     SDRAM   64 bit  SDRAM
 *  2   Local   SDRAM   32 bit  SDRAM
 *
 */

	/* Initialize SDRAM on local bus
	 */
#define CFG_INIT_LOCAL_SDRAM

#define SDRAM_MAX_SIZE	0x08000000	/* max. 128 MB		*/

/* Minimum mask to separate preliminary
 * address ranges for CS[0:2]
 */
#define CFG_GLOBAL_SDRAM_LIMIT	(512<<20)	/* less than 512 MB */
#define CFG_LOCAL_SDRAM_LIMIT	(128<<20)	/* less than 128 MB */

#define CFG_MPTPR       0x4000

/*-----------------------------------------------------------------------------
 * Address for Mode Register Set (MRS) command
 *-----------------------------------------------------------------------------
 * In fact, the address is rather configuration data presented to the SDRAM on
 * its address lines. Because the address lines may be mux'ed externally either
 * for 8 column or 9 column devices, some bits appear twice in the 8260's
 * address:
 *
 * |   (RFU)   |   (RFU)   | WBL |    TM    |     CL    |  BT | Burst Length |
 * | BA1   BA0 | A12 : A10 |  A9 |  A8   A7 |  A6 : A4  |  A3 |   A2 :  A0   |
 *  8 columns mux'ing:     |  A9 | A10  A21 | A22 : A24 | A25 |  A26 : A28   |
 *  9 columns mux'ing:     |  A8 | A20  A21 | A22 : A24 | A25 |  A26 : A28   |
 *  Settings:              |  0  |  0    0  |  0  1  0  |  0  |   0  1  0    |
 *-----------------------------------------------------------------------------
 */
#define CFG_MRS_OFFS	0x00000110


/* Bank 0 - FLASH
 */
#define CFG_BR0_PRELIM  ((CFG_FLASH_BASE & BRx_BA_MSK)  |\
                         BRx_PS_64                      |\
                         BRx_MS_GPCM_P                  |\
                         BRx_V)

#define CFG_OR0_PRELIM  (MEG_TO_AM(CFG_FLASH_SIZE)      |\
                         ORxG_CSNT                      |\
                         ORxG_ACS_DIV1                  |\
                         ORxG_SCY_3_CLK                 |\
                         ORxG_EHTR                      |\
                         ORxG_TRLX)

	/* SDRAM on TQM8260 can have either 8 or 9 columns.
	 * The number affects configuration values.
	 */

/* Bank 1 - 60x bus SDRAM
 */
#define CFG_PSRT        0x20
#define CFG_LSRT        0x20
#ifndef CFG_RAMBOOT
#define CFG_BR1_PRELIM  ((CFG_SDRAM_BASE & BRx_BA_MSK)  |\
                         BRx_PS_64                      |\
                         BRx_MS_SDRAM_P                 |\
                         BRx_V)

#define CFG_OR1_PRELIM	CFG_OR1_8COL


	/* SDRAM initialization values for 8-column chips
	 */
#define CFG_OR1_8COL    ((~(CFG_GLOBAL_SDRAM_LIMIT-1) & ORxS_SDAM_MSK) |\
                         ORxS_BPD_4                     |\
                         ORxS_ROWST_PBI1_A7             |\
                         ORxS_NUMR_12)

#define CFG_PSDMR_8COL  (PSDMR_PBI                      |\
                         PSDMR_SDAM_A15_IS_A5           |\
                         PSDMR_BSMA_A12_A14             |\
                         PSDMR_SDA10_PBI1_A8            |\
                         PSDMR_RFRC_7_CLK               |\
                         PSDMR_PRETOACT_2W              |\
                         PSDMR_ACTTORW_2W               |\
                         PSDMR_LDOTOPRE_1C              |\
                         PSDMR_WRC_2C                   |\
                         PSDMR_EAMUX                    |\
                         PSDMR_CL_2)

	/* SDRAM initialization values for 9-column chips
	 */
#define CFG_OR1_9COL    ((~(CFG_GLOBAL_SDRAM_LIMIT-1) & ORxS_SDAM_MSK) |\
                         ORxS_BPD_4                     |\
                         ORxS_ROWST_PBI1_A5             |\
                         ORxS_NUMR_13)

#define CFG_PSDMR_9COL  (PSDMR_PBI                      |\
                         PSDMR_SDAM_A16_IS_A5           |\
                         PSDMR_BSMA_A12_A14             |\
                         PSDMR_SDA10_PBI1_A7            |\
                         PSDMR_RFRC_7_CLK               |\
                         PSDMR_PRETOACT_2W              |\
                         PSDMR_ACTTORW_2W               |\
                         PSDMR_LDOTOPRE_1C              |\
                         PSDMR_WRC_2C                   |\
                         PSDMR_EAMUX                    |\
                         PSDMR_CL_2)

/* Bank 2 - Local bus SDRAM
 */
#ifdef CFG_INIT_LOCAL_SDRAM
#define CFG_BR2_PRELIM  ((SDRAM_BASE2_PRELIM & BRx_BA_MSK) |\
                         BRx_PS_32                      |\
                         BRx_MS_SDRAM_L                 |\
                         BRx_V)

#define CFG_OR2_PRELIM	CFG_OR2_8COL

#define SDRAM_BASE2_PRELIM	0x80000000

	/* SDRAM initialization values for 8-column chips
	 */
#define CFG_OR2_8COL    ((~(CFG_LOCAL_SDRAM_LIMIT-1) & ORxS_SDAM_MSK) |\
                         ORxS_BPD_4                     |\
                         ORxS_ROWST_PBI1_A8             |\
                         ORxS_NUMR_12)

#define CFG_LSDMR_8COL  (PSDMR_PBI                      |\
                         PSDMR_SDAM_A15_IS_A5           |\
                         PSDMR_BSMA_A13_A15             |\
                         PSDMR_SDA10_PBI1_A9            |\
                         PSDMR_RFRC_7_CLK               |\
                         PSDMR_PRETOACT_2W              |\
                         PSDMR_ACTTORW_2W               |\
                         PSDMR_BL                       |\
                         PSDMR_LDOTOPRE_1C              |\
                         PSDMR_WRC_2C                   |\
                         PSDMR_CL_2)

	/* SDRAM initialization values for 9-column chips
	 */
#define CFG_OR2_9COL    ((~(CFG_LOCAL_SDRAM_LIMIT-1) & ORxS_SDAM_MSK) |\
                         ORxS_BPD_4                     |\
                         ORxS_ROWST_PBI1_A6             |\
                         ORxS_NUMR_13)

#define CFG_LSDMR_9COL  (PSDMR_PBI                      |\
                         PSDMR_SDAM_A16_IS_A5           |\
                         PSDMR_BSMA_A13_A15             |\
                         PSDMR_SDA10_PBI1_A8            |\
                         PSDMR_RFRC_7_CLK               |\
                         PSDMR_PRETOACT_2W              |\
                         PSDMR_ACTTORW_2W               |\
                         PSDMR_BL                       |\
                         PSDMR_LDOTOPRE_1C              |\
                         PSDMR_WRC_2C                   |\
                         PSDMR_CL_2)

#endif /* CFG_INIT_LOCAL_SDRAM */

#endif /* CFG_RAMBOOT */

#endif	/* __CONFIG_H */
