/*
   * (C) Copyright 2000, 2001, 2002
   * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
   *

   * SPDX-License-Identifier:	GPL-2.0+

   */
  
  /*
   * board/config.h - configuration options, board specific
   */
  
  #ifndef __CONFIG_H
  #define __CONFIG_H
  
  /*
   * High Level Configuration Options
   * (easy to change)
   */
  
  #define CONFIG_MPC823		1	/* This is a MPC823 CPU		*/
  #define CONFIG_RRVISION		1	/* ...on a RRvision board	*/

  #define	CONFIG_SYS_TEXT_BASE	0x40000000

  #define CONFIG_8xx_GCLK_FREQ 64000000
  
  #define	CONFIG_8xx_CONS_SMC1	1	/* Console is on SMC1		*/
  #undef	CONFIG_8xx_CONS_SMC2
  #undef	CONFIG_8xx_CONS_NONE
  #define CONFIG_BAUDRATE		115200	/* console baudrate = 115kbps	*/
  #if 0
  #define CONFIG_BOOTDELAY	-1	/* autoboot disabled		*/
  #else
  #define CONFIG_BOOTDELAY	3	/* autoboot after 5 seconds	*/
  #endif
  
  #define	CONFIG_CLOCKS_IN_MHZ	1	/* clocks passsed to Linux in MHz */
  
  #define CONFIG_PREBOOT	"setenv stdout serial"
  
  #undef	CONFIG_BOOTARGS
  #define CONFIG_ETHADDR                00:50:C2:00:E0:70
  #define CONFIG_OVERWRITE_ETHADDR_ONCE 1
  #define CONFIG_IPADDR                 10.0.0.5
  #define CONFIG_SERVERIP               10.0.0.2
  #define CONFIG_NETMASK                255.0.0.0

  #define CONFIG_ROOTPATH               "/opt/eldk/ppc_8xx"

  #define CONFIG_BOOTCOMMAND            "run flash_self"
  
  #define	CONFIG_EXTRA_ENV_SETTINGS					\
  	"netdev=eth0\0"							\
  	"ramargs=setenv bootargs root=/dev/ram rw\0"			\
  	"nfsargs=setenv bootargs root=/dev/nfs rw "			\

  		"nfsroot=${serverip}:${rootpath}\0"			\
  	"addip=setenv bootargs ${bootargs} ip=${ipaddr}:${serverip}"	\
  		":${gatewayip}:${netmask}:${hostname}:${netdev}:off\0"	\
  	"addtty=setenv bootargs ${bootargs} console=ttyS0,${baudrate}\0"\

  	"load=tftp 100000 /tftpboot/u-boot.bin\0"			\
  	"update=protect off 1:0-8;era 1:0-8;"				\

  		"cp.b 100000 40000000 ${filesize};"			\

  		"setenv filesize;saveenv\0"				\
  	"kernel_addr=40040000\0"					\
  	"ramdisk_addr=40100000\0"					\

  	"kernel_img=/tftpboot/uImage\0"					\

  	"kernel_load=tftp 200000 ${kernel_img}\0"			\

  	"net_nfs=run kernel_load nfsargs addip addtty;bootm\0"		\

  	"flash_nfs=run nfsargs addip addtty;bootm ${kernel_addr}\0"	\

  	"flash_self=run ramargs addip addtty;"				\

  		"bootm ${kernel_addr} ${ramdisk_addr}\0"

  
  
  #define CONFIG_LOADS_ECHO	1	/* echo on for serial download	*/

  #undef	CONFIG_SYS_LOADS_BAUD_CHANGE		/* don't allow baudrate change	*/

  
  #undef	CONFIG_WATCHDOG			/* watchdog disabled		*/
  
  #undef	CONFIG_STATUS_LED		/* disturbs display		*/
  
  #undef	CONFIG_CAN_DRIVER		/* CAN Driver support disabled	*/

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

  
  #define CONFIG_MAC_PARTITION
  #define CONFIG_DOS_PARTITION
  
  #define	CONFIG_RTC_MPC8xx		/* use internal RTC of MPC8xx	*/

  #ifdef CONFIG_LCD
  #define CONFIG_MPC8XX_LCD
  #else

  #define CONFIG_VIDEO		1	/* To enable the video initialization */
  
  /* Video related */
  #define CONFIG_VIDEO_LOGO			1	/* Show the logo */

  #define CONFIG_VIDEO_ENCODER_AD7179		1	/* Enable this encoder */
  #define CONFIG_VIDEO_ENCODER_AD7179_ADDR	0x2A	/* ALSB to ground */

  #endif
  
  /* enable I2C and select the hardware/software driver */

  #define CONFIG_SYS_I2C
  #define CONFIG_SYS_I2C_SOFT		/* I2C bit-banged */
  #define CONFIG_SYS_I2C_SOFT_SPEED	50000
  #define CONFIG_SYS_I2C_SOFT_SLAVE	0xFE

  /*
   * Software (bit-bang) I2C driver configuration
   */
  #define PB_SCL		0x00000020	/* PB 26 */
  #define PB_SDA		0x00000010	/* PB 27 */
  
  #define I2C_INIT	(immr->im_cpm.cp_pbdir |=  PB_SCL)
  #define I2C_ACTIVE	(immr->im_cpm.cp_pbdir |=  PB_SDA)
  #define I2C_TRISTATE	(immr->im_cpm.cp_pbdir &= ~PB_SDA)
  #define I2C_READ	((immr->im_cpm.cp_pbdat & PB_SDA) != 0)
  #define I2C_SDA(bit)	if(bit) immr->im_cpm.cp_pbdat |=  PB_SDA; \
  			else    immr->im_cpm.cp_pbdat &= ~PB_SDA
  #define I2C_SCL(bit)	if(bit) immr->im_cpm.cp_pbdat |=  PB_SCL; \
  			else    immr->im_cpm.cp_pbdat &= ~PB_SCL
  #define I2C_DELAY	udelay(1)	/* 1/4 I2C clock duration */

  /*
   * Command line configuration.
   */
  #include <config_cmd_default.h>
  
  #define CONFIG_CMD_DHCP
  #define CONFIG_CMD_I2C
  #define CONFIG_CMD_IDE
  #define CONFIG_CMD_DATE
  
  #undef CONFIG_CMD_PCMCIA
  #undef CONFIG_CMD_IDE

  
  /*
   * Miscellaneous configurable options
   */

  #define	CONFIG_SYS_LONGHELP			/* undef to save memory		*/

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

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

  /*
   * Low Level Configuration Settings
   * (address mappings, register initial values, etc.)
   * You should know what you are doing if you make changes here.
   */
  /*-----------------------------------------------------------------------
   * Internal Memory Mapped Register
   */

  #define CONFIG_SYS_IMMR		0xFFF00000

  
  /*-----------------------------------------------------------------------
   * Definitions for initial stack pointer and data area (in DPRAM)
   */

  #define CONFIG_SYS_INIT_RAM_ADDR	CONFIG_SYS_IMMR

  #define	CONFIG_SYS_INIT_RAM_SIZE	0x2F00	/* Size of used area in DPRAM	*/

  #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

  
  /*-----------------------------------------------------------------------
   * 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		0x40000000
  #define	CONFIG_SYS_MONITOR_LEN		(256 << 10)	/* Reserve 256 kB for Monitor	*/
  #define CONFIG_SYS_MONITOR_BASE	CONFIG_SYS_FLASH_BASE
  #define	CONFIG_SYS_MALLOC_LEN		(128 << 10)	/* 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	71	/* max number of sectors on one chip	*/

  
  /* timeout values are in ticks = ms */

  #define CONFIG_SYS_FLASH_ERASE_TOUT	(120*CONFIG_SYS_HZ)	/* Timeout for Flash Erase	*/
  #define CONFIG_SYS_FLASH_WRITE_TOUT	(1 * CONFIG_SYS_HZ)	/* Timeout for Flash Write	*/

  #define	CONFIG_ENV_IS_IN_FLASH	1

  #define	CONFIG_ENV_OFFSET		0x8000	/*   Offset   of Environment Sector	*/
  #define	CONFIG_ENV_SIZE		0x4000	/* Total Size of Environment Sector	*/

  
  /* Address and size of Redundant Environment Sector	*/

  #define CONFIG_ENV_OFFSET_REDUND	(CONFIG_ENV_OFFSET+CONFIG_ENV_SIZE)
  #define CONFIG_ENV_SIZE_REDUND	(CONFIG_ENV_SIZE)

  #define	CONFIG_SYS_USE_PPCENV			/* Environment embedded in sect .ppcenv */

  /*-----------------------------------------------------------------------
   * Cache Configuration
   */

  #define CONFIG_SYS_CACHELINE_SIZE	16	/* For all MPC8xx CPUs			*/

  #if defined(CONFIG_CMD_KGDB)

  #define CONFIG_SYS_CACHELINE_SHIFT	4	/* log base 2 of the above value	*/

  #endif
  
  /*-----------------------------------------------------------------------
   * SYPCR - System Protection Control				11-9
   * SYPCR can only be written once after reset!
   *-----------------------------------------------------------------------
   * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze
   */
  #if defined(CONFIG_WATCHDOG)

  #define CONFIG_SYS_SYPCR	(SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \

  			 SYPCR_SWE  | SYPCR_SWRI| SYPCR_SWP)
  #else

  #define CONFIG_SYS_SYPCR	(SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWP)

  #endif
  
  /*-----------------------------------------------------------------------
   * SIUMCR - SIU Module Configuration				11-6
   *-----------------------------------------------------------------------
   * PCMCIA config., multi-function pin tri-state
   */
  #ifndef	CONFIG_CAN_DRIVER

  #define CONFIG_SYS_SIUMCR	(SIUMCR_DBGC00 | SIUMCR_DBPC00 | SIUMCR_MLRC01)

  #else	/* we must activate GPL5 in the SIUMCR for CAN */

  #define CONFIG_SYS_SIUMCR	(SIUMCR_DBGC11 | SIUMCR_DBPC00 | SIUMCR_MLRC01)

  #endif	/* CONFIG_CAN_DRIVER */
  
  /*-----------------------------------------------------------------------
   * TBSCR - Time Base Status and Control				11-26
   *-----------------------------------------------------------------------
   * Clear Reference Interrupt Status, Timebase freezing enabled
   */

  #define CONFIG_SYS_TBSCR	(TBSCR_REFA | TBSCR_REFB | TBSCR_TBF)

  
  /*-----------------------------------------------------------------------
   * RTCSC - Real-Time Clock Status and Control Register		11-27
   *-----------------------------------------------------------------------
   */

  #define CONFIG_SYS_RTCSC	(RTCSC_SEC | RTCSC_ALR | RTCSC_RTF| RTCSC_RTE)

  
  /*-----------------------------------------------------------------------
   * PISCR - Periodic Interrupt Status and Control		11-31
   *-----------------------------------------------------------------------
   * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled
   */

  #define CONFIG_SYS_PISCR	(PISCR_PS | PISCR_PITF | PISCR_PTE)

  
  /*-----------------------------------------------------------------------
   * PLPRCR - PLL, Low-Power, and Reset Control Register		15-30
   *-----------------------------------------------------------------------
   * Reset PLL lock status sticky bit, timer expired status bit and timer
   * interrupt status bit
   */
  
  /* for 64 MHz, we use a 16 MHz clock * 4 */

  #define CONFIG_SYS_PLPRCR ( (4-1)<<PLPRCR_MF_SHIFT | PLPRCR_TEXPS | PLPRCR_TMIST )

  
  /*-----------------------------------------------------------------------
   * SCCR - System Clock and reset Control Register		15-27
   *-----------------------------------------------------------------------
   * Set clock output, timebase and RTC source and divider,
   * power management and some other internal clocks
   */
  #define SCCR_MASK	SCCR_EBDF11

  #define CONFIG_SYS_SCCR	(/* SCCR_TBS  | */ SCCR_RTSEL | SCCR_RTDIV    | \

  			 SCCR_COM00   | SCCR_DFSYNC00 | SCCR_DFBRG00  | \
  			 SCCR_DFNL000 | SCCR_DFNH000  | SCCR_DFLCD000 | \
  			 SCCR_DFALCD00)
  
  /*-----------------------------------------------------------------------
   * PCMCIA stuff
   *-----------------------------------------------------------------------
   *
   */

  #define CONFIG_SYS_PCMCIA_MEM_ADDR	(0xE0000000)
  #define CONFIG_SYS_PCMCIA_MEM_SIZE	( 64 << 20 )
  #define CONFIG_SYS_PCMCIA_DMA_ADDR	(0xE4000000)
  #define CONFIG_SYS_PCMCIA_DMA_SIZE	( 64 << 20 )
  #define CONFIG_SYS_PCMCIA_ATTRB_ADDR	(0xE8000000)
  #define CONFIG_SYS_PCMCIA_ATTRB_SIZE	( 64 << 20 )
  #define CONFIG_SYS_PCMCIA_IO_ADDR	(0xEC000000)
  #define CONFIG_SYS_PCMCIA_IO_SIZE	( 64 << 20 )

  
  /*-----------------------------------------------------------------------
   * IDE/ATA stuff (Supports IDE harddisk on PCMCIA Adapter)
   *-----------------------------------------------------------------------
   */

  #define CONFIG_IDE_PREINIT	1	/* Use preinit IDE hook */

  #define	CONFIG_IDE_8xx_PCCARD	1	/* Use IDE with PC Card	Adapter	*/
  
  #undef	CONFIG_IDE_8xx_DIRECT		/* Direct IDE    not supported	*/
  #undef	CONFIG_IDE_LED			/* LED   for ide not supported	*/
  #undef	CONFIG_IDE_RESET		/* reset for ide not supported	*/

  #define CONFIG_SYS_IDE_MAXBUS		1	/* max. 1 IDE bus		*/
  #define CONFIG_SYS_IDE_MAXDEVICE	1	/* max. 1 drive per IDE bus	*/

  #define CONFIG_SYS_ATA_IDE0_OFFSET	0x0000

  #define CONFIG_SYS_ATA_BASE_ADDR	CONFIG_SYS_PCMCIA_MEM_ADDR

  
  /* Offset for data I/O			*/

  #define CONFIG_SYS_ATA_DATA_OFFSET	(CONFIG_SYS_PCMCIA_MEM_SIZE + 0x320)

  
  /* Offset for normal register accesses	*/

  #define CONFIG_SYS_ATA_REG_OFFSET	(2 * CONFIG_SYS_PCMCIA_MEM_SIZE + 0x320)

  
  /* Offset for alternate registers	*/

  #define CONFIG_SYS_ATA_ALT_OFFSET	0x0100

  
  /*-----------------------------------------------------------------------
   *
   *-----------------------------------------------------------------------
   *
   */

  /*#define	CONFIG_SYS_DER	0x2002000F*/
  #define CONFIG_SYS_DER	0

  
  /*
   * Init Memory Controller:
   *
   * BR0/1 (FLASH)
   */
  
  #define FLASH_BASE0_PRELIM	0x40000000	/* FLASH bank #0	*/
  
  /* used to re-map FLASH both when starting from SRAM or FLASH:
   * restrict access enough to keep SRAM working (if any)
   * but not too much to meddle with FLASH accesses
   */

  #define CONFIG_SYS_REMAP_OR_AM		0x80000000	/* OR addr mask */
  #define CONFIG_SYS_PRELIM_OR_AM	0xE0000000	/* OR addr mask */

  
  /*
   * FLASH timing:
   */
  /* 66 MHz CPU - 66 MHz bus: ACS = 00, TRLX = 1, CSNT = 1, SCY = 3, EHTR = 1 */

  #define CONFIG_SYS_OR_TIMING_FLASH	(OR_ACS_DIV1  | OR_TRLX | OR_CSNT_SAM | \

  				 OR_SCY_3_CLK | OR_EHTR | OR_BI)

  #define CONFIG_SYS_OR0_REMAP	(CONFIG_SYS_REMAP_OR_AM  | CONFIG_SYS_OR_TIMING_FLASH)
  #define CONFIG_SYS_OR0_PRELIM	(CONFIG_SYS_PRELIM_OR_AM | CONFIG_SYS_OR_TIMING_FLASH)
  #define CONFIG_SYS_BR0_PRELIM	((FLASH_BASE0_PRELIM & BR_BA_MSK) | BR_V )

  
  /*
   * BR2/3 and OR2/3 (SDRAM)
   *
   */
  #define SDRAM_BASE2_PRELIM	0x00000000	/* SDRAM bank #0	*/
  #define SDRAM_BASE3_PRELIM	0x20000000	/* SDRAM bank #1	*/
  #define	SDRAM_MAX_SIZE		0x04000000	/* max 64 MB per bank	*/
  
  /* SDRAM timing: Multiplexed addresses, GPL5 output to GPL5_A (don't care)	*/

  #define CONFIG_SYS_OR_TIMING_SDRAM	0x00000A00

  #define CONFIG_SYS_OR2_PRELIM	(CONFIG_SYS_PRELIM_OR_AM | CONFIG_SYS_OR_TIMING_SDRAM )
  #define CONFIG_SYS_BR2_PRELIM	((SDRAM_BASE2_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V )

  
  #ifndef	CONFIG_CAN_DRIVER

  #define	CONFIG_SYS_OR3_PRELIM	CONFIG_SYS_OR2_PRELIM
  #define CONFIG_SYS_BR3_PRELIM	((SDRAM_BASE3_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V )

  #else	/* CAN uses CS3#, so we can have only one SDRAM bank anyway */

  #define	CONFIG_SYS_CAN_BASE		0xC0000000	/* CAN mapped at 0xC0000000	*/
  #define CONFIG_SYS_CAN_OR_AM		0xFFFF8000	/* 32 kB address mask		*/
  #define CONFIG_SYS_OR3_CAN		(CONFIG_SYS_CAN_OR_AM | OR_G5LA | OR_BI)
  #define CONFIG_SYS_BR3_CAN		((CONFIG_SYS_CAN_BASE & BR_BA_MSK) | \

  					BR_PS_8 | BR_MS_UPMB | BR_V )
  #endif	/* CONFIG_CAN_DRIVER */
  
  /*
   * Memory Periodic Timer Prescaler
   *
   * The Divider for PTA (refresh timer) configuration is based on an
   * example SDRAM configuration (64 MBit, one bank). The adjustment to
   * the number of chip selects (NCS) and the actually needed refresh
   * rate is done by setting MPTPR.
   *
   * PTA is calculated from
   *	PTA = (gclk * Trefresh) / ((2 ^ (2 * DFBRG)) * PTP * NCS)
   *
   *	gclk	  CPU clock (not bus clock!)
   *	Trefresh  Refresh cycle * 4 (four word bursts used)
   *
   * 4096  Rows from SDRAM example configuration
   * 1000  factor s -> ms
   *   32  PTP (pre-divider from MPTPR) from SDRAM example configuration
   *    4  Number of refresh cycles per period
   *   64  Refresh cycle in ms per number of rows
   * --------------------------------------------
   * Divider = 4096 * 32 * 1000 / (4 * 64) = 512000
   *
   * 50 MHz => 50.000.000 / Divider =  98
   * 66 Mhz => 66.000.000 / Divider = 129
   * 80 Mhz => 80.000.000 / Divider = 156
   */

  #define CONFIG_SYS_MAMR_PTA		129

  
  /*
   * For 16 MBit, refresh rates could be 31.3 us
   * (= 64 ms / 2K = 125 / quad bursts).
   * For a simpler initialization, 15.6 us is used instead.
   *

   * #define CONFIG_SYS_MPTPR_2BK_2K	MPTPR_PTP_DIV32		for 2 banks
   * #define CONFIG_SYS_MPTPR_1BK_2K	MPTPR_PTP_DIV64		for 1 bank

   */

  #define CONFIG_SYS_MPTPR_2BK_4K	MPTPR_PTP_DIV16		/* setting for 2 banks	*/
  #define CONFIG_SYS_MPTPR_1BK_4K	MPTPR_PTP_DIV32		/* setting for 1 bank	*/

  
  /* refresh rate 7.8 us (= 64 ms / 8K = 31.2 / quad bursts) for 256 MBit		*/

  #define CONFIG_SYS_MPTPR_2BK_8K	MPTPR_PTP_DIV8		/* setting for 2 banks	*/
  #define CONFIG_SYS_MPTPR_1BK_8K	MPTPR_PTP_DIV16		/* setting for 1 bank	*/

  
  /*
   * MAMR settings for SDRAM
   */
  
  /* 8 column SDRAM */

  #define CONFIG_SYS_MAMR_8COL	((CONFIG_SYS_MAMR_PTA << MAMR_PTA_SHIFT)  | MAMR_PTAE	    |	\

  			 MAMR_AMA_TYPE_0 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A11 |	\
  			 MAMR_RLFA_1X	 | MAMR_WLFA_1X	   | MAMR_TLFA_4X)
  /* 9 column SDRAM */

  #define CONFIG_SYS_MAMR_9COL	((CONFIG_SYS_MAMR_PTA << MAMR_PTA_SHIFT)  | MAMR_PTAE	    |	\

  			 MAMR_AMA_TYPE_1 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A10 |	\
  			 MAMR_RLFA_1X	 | MAMR_WLFA_1X	   | MAMR_TLFA_4X)

  #endif	/* __CONFIG_H */