/* SPDX-License-Identifier: GPL-2.0+ */
/*
 * Copyright 2004, 2011 Freescale Semiconductor.
 * (C) Copyright 2002,2003 Motorola,Inc.
 * Xianghua Xiao <X.Xiao@motorola.com>
 */

/*
 * mpc8540ads board configuration file
 *
 * Please refer to doc/README.mpc85xx for more info.
 *
 * Make sure you change the MAC address and other network params first,
 * search for CONFIG_SERVERIP, etc in this file.
 */

#ifndef __CONFIG_H
#define __CONFIG_H

/*
 * default CCARBAR is at 0xff700000
 * assume U-Boot is less than 0.5MB
 */

#ifndef CONFIG_HAS_FEC
#define CONFIG_HAS_FEC		1	/* 8540 has FEC */
#endif

#define CONFIG_SYS_PCI_64BIT	1	/* enable 64-bit PCI resources */

/*
 * sysclk for MPC85xx
 *
 * Two valid values are:
 *    33000000
 *    66000000
 *
 * Most PCI cards are still 33Mhz, so in the presence of PCI, 33MHz
 * is likely the desired value here, so that is now the default.
 * The board, however, can run at 66MHz.  In any event, this value
 * must match the settings of some switches.  Details can be found
 * in the README.mpc85xxads.
 *
 * XXX -- Can't we run at 66 MHz, anyway?  PCI should drop to
 * 33MHz to accommodate, based on a PCI pin.
 * Note that PCI-X won't work at 33MHz.
 */

#ifndef CONFIG_SYS_CLK_FREQ
#define CONFIG_SYS_CLK_FREQ	33000000
#endif

/*
 * These can be toggled for performance analysis, otherwise use default.
 */
#define CONFIG_L2_CACHE			/* toggle L2 cache */
#define CONFIG_BTB			/* toggle branch predition */

#define CONFIG_SYS_CCSRBAR		0xe0000000
#define CONFIG_SYS_CCSRBAR_PHYS_LOW	CONFIG_SYS_CCSRBAR

/* DDR Setup */
#define CONFIG_SPD_EEPROM		/* Use SPD EEPROM for DDR setup*/

#define CONFIG_MEM_INIT_VALUE		0xDeadBeef

#define CONFIG_SYS_DDR_SDRAM_BASE	0x00000000	/* DDR is system memory*/
#define CONFIG_SYS_SDRAM_BASE		CONFIG_SYS_DDR_SDRAM_BASE

#define CONFIG_DIMM_SLOTS_PER_CTLR	1
#define CONFIG_CHIP_SELECTS_PER_CTRL	(2 * CONFIG_DIMM_SLOTS_PER_CTLR)

/* I2C addresses of SPD EEPROMs */
#define SPD_EEPROM_ADDRESS	0x51	/* CTLR 0 DIMM 0 */

/* These are used when DDR doesn't use SPD. */
#define CONFIG_SYS_SDRAM_SIZE	128		/* DDR is 128MB */
#define CONFIG_SYS_DDR_CS0_BNDS	0x00000007	/* 0-128MB */
#define CONFIG_SYS_DDR_CS0_CONFIG	0x80000002
#define CONFIG_SYS_DDR_TIMING_1	0x37344321
#define CONFIG_SYS_DDR_TIMING_2	0x00000800	/* P9-45,may need tuning */
#define CONFIG_SYS_DDR_CONTROL		0xc2000000	/* unbuffered,no DYN_PWR */
#define CONFIG_SYS_DDR_MODE		0x00000062	/* DLL,normal,seq,4/2.5 */
#define CONFIG_SYS_DDR_INTERVAL	0x05200100	/* autocharge,no open page */

/*
 * SDRAM on the Local Bus
 */
#define CONFIG_SYS_LBC_SDRAM_BASE	0xf0000000	/* Localbus SDRAM */
#define CONFIG_SYS_LBC_SDRAM_SIZE	64		/* LBC SDRAM is 64MB */

#define CONFIG_SYS_FLASH_BASE		0xff000000	/* start of FLASH 16M */

#define CONFIG_SYS_MAX_FLASH_BANKS	1		/* number of banks */
#define CONFIG_SYS_MAX_FLASH_SECT	64		/* sectors per device */
#undef	CONFIG_SYS_FLASH_CHECKSUM
#define CONFIG_SYS_FLASH_ERASE_TOUT	60000	/* Flash Erase Timeout (ms) */
#define CONFIG_SYS_FLASH_WRITE_TOUT	500	/* Flash Write Timeout (ms) */

#define CONFIG_SYS_MONITOR_BASE	CONFIG_SYS_TEXT_BASE	/* start of monitor */

#if (CONFIG_SYS_MONITOR_BASE < CONFIG_SYS_FLASH_BASE)
#define CONFIG_SYS_RAMBOOT
#else
#undef  CONFIG_SYS_RAMBOOT
#endif

#define CONFIG_SYS_FLASH_EMPTY_INFO

/*
 * Local Bus Definitions
 */

/*
 * Base Register 2 and Option Register 2 configure SDRAM.
 * The SDRAM base address, CONFIG_SYS_LBC_SDRAM_BASE, is 0xf0000000.
 *
 * For BR2, need:
 *    Base address of 0xf0000000 = BR[0:16] = 1111 0000 0000 0000 0
 *    port-size = 32-bits = BR2[19:20] = 11
 *    no parity checking = BR2[21:22] = 00
 *    SDRAM for MSEL = BR2[24:26] = 011
 *    Valid = BR[31] = 1
 *
 * 0    4    8    12   16   20   24   28
 * 1111 0000 0000 0000 0001 1000 0110 0001 = f0001861
 *
 * FIXME: CONFIG_SYS_LBC_SDRAM_BASE should be masked and OR'ed into
 * FIXME: the top 17 bits of BR2.
 */

/*
 * The SDRAM size in MB, CONFIG_SYS_LBC_SDRAM_SIZE, is 64.
 *
 * For OR2, need:
 *    64MB mask for AM, OR2[0:7] = 1111 1100
 *		   XAM, OR2[17:18] = 11
 *    9 columns OR2[19-21] = 010
 *    13 rows   OR2[23-25] = 100
 *    EAD set for extra time OR[31] = 1
 *
 * 0    4    8    12   16   20   24   28
 * 1111 1100 0000 0000 0110 1001 0000 0001 = fc006901
 */

#define CONFIG_SYS_LBC_LCRR		0x00030004    /* LB clock ratio reg */
#define CONFIG_SYS_LBC_LBCR		0x00000000    /* LB config reg */
#define CONFIG_SYS_LBC_LSRT		0x20000000    /* LB sdram refresh timer */
#define CONFIG_SYS_LBC_MRTPR		0x20000000    /* LB refresh timer prescal*/

#define CONFIG_SYS_LBC_LSDMR_COMMON	( LSDMR_BSMA1516	\
				| LSDMR_RFCR5		\
				| LSDMR_PRETOACT3	\
				| LSDMR_ACTTORW3	\
				| LSDMR_BL8		\
				| LSDMR_WRC2		\
				| LSDMR_CL3		\
				| LSDMR_RFEN		\
				)

/*
 * SDRAM Controller configuration sequence.
 */
#define CONFIG_SYS_LBC_LSDMR_1	(CONFIG_SYS_LBC_LSDMR_COMMON | LSDMR_OP_PCHALL)
#define CONFIG_SYS_LBC_LSDMR_2	(CONFIG_SYS_LBC_LSDMR_COMMON | LSDMR_OP_ARFRSH)
#define CONFIG_SYS_LBC_LSDMR_3	(CONFIG_SYS_LBC_LSDMR_COMMON | LSDMR_OP_ARFRSH)
#define CONFIG_SYS_LBC_LSDMR_4	(CONFIG_SYS_LBC_LSDMR_COMMON | LSDMR_OP_MRW)
#define CONFIG_SYS_LBC_LSDMR_5	(CONFIG_SYS_LBC_LSDMR_COMMON | LSDMR_OP_NORMAL)

/*
 * 32KB, 8-bit wide for ADS config reg
 */
#define CONFIG_SYS_BCSR		(CONFIG_SYS_BR4_PRELIM & 0xffff8000)

#define CONFIG_SYS_INIT_RAM_LOCK	1
#define CONFIG_SYS_INIT_RAM_ADDR	0xe4010000	/* Initial RAM address */
#define CONFIG_SYS_INIT_RAM_SIZE	0x4000		/* 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

#define CONFIG_SYS_MONITOR_LEN		(256 * 1024)    /* Reserve 256 kB for Mon */

/* Serial Port */
#define CONFIG_SYS_NS16550_SERIAL
#define CONFIG_SYS_NS16550_REG_SIZE    1
#define CONFIG_SYS_NS16550_CLK		get_bus_freq(0)

#define CONFIG_SYS_BAUDRATE_TABLE  \
	{300, 600, 1200, 2400, 4800, 9600, 19200, 38400,115200}

#define CONFIG_SYS_NS16550_COM1        (CONFIG_SYS_CCSRBAR+0x4500)
#define CONFIG_SYS_NS16550_COM2        (CONFIG_SYS_CCSRBAR+0x4600)

/*
 * I2C
 */
#define CONFIG_SYS_I2C_NOPROBES		{ {0, 0x69} }

/* RapidIO MMU */
#define CONFIG_SYS_RIO_MEM_VIRT	0xc0000000	/* base address */
#define CONFIG_SYS_RIO_MEM_BUS	0xc0000000	/* base address */
#define CONFIG_SYS_RIO_MEM_PHYS	0xc0000000
#define CONFIG_SYS_RIO_MEM_SIZE	0x20000000	/* 128M */

/*
 * General PCI
 * Memory space is mapped 1-1, but I/O space must start from 0.
 */
#define CONFIG_SYS_PCI1_MEM_VIRT	0x80000000
#define CONFIG_SYS_PCI1_MEM_BUS	0x80000000
#define CONFIG_SYS_PCI1_MEM_PHYS	0x80000000
#define CONFIG_SYS_PCI1_MEM_SIZE	0x20000000	/* 512M */
#define CONFIG_SYS_PCI1_IO_VIRT	0xe2000000
#define CONFIG_SYS_PCI1_IO_BUS	0x00000000
#define CONFIG_SYS_PCI1_IO_PHYS	0xe2000000
#define CONFIG_SYS_PCI1_IO_SIZE	0x100000	/* 1M */

#if defined(CONFIG_PCI)

#if !defined(CONFIG_PCI_PNP)
    #define PCI_ENET0_IOADDR	0xe0000000
    #define PCI_ENET0_MEMADDR	0xe0000000
    #define PCI_IDSEL_NUMBER	0x0c	/* slot0->3(IDSEL)=12->15 */
#endif

#undef CONFIG_PCI_SCAN_SHOW		/* show pci devices on startup */

#endif	/* CONFIG_PCI */

#if defined(CONFIG_TSEC_ENET)

#define CONFIG_TSEC1	1
#define CONFIG_TSEC1_NAME	"TSEC0"
#define CONFIG_TSEC2	1
#define CONFIG_TSEC2_NAME	"TSEC1"
#define TSEC1_PHY_ADDR		0
#define TSEC2_PHY_ADDR		1
#define TSEC1_PHYIDX		0
#define TSEC2_PHYIDX		0
#define TSEC1_FLAGS		TSEC_GIGABIT
#define TSEC2_FLAGS		TSEC_GIGABIT

#if CONFIG_HAS_FEC
#define CONFIG_MPC85XX_FEC	1
#define CONFIG_MPC85XX_FEC_NAME		"FEC"
#define FEC_PHY_ADDR		3
#define FEC_PHYIDX		0
#define FEC_FLAGS		0
#endif

/* Options are: TSEC[0-1], FEC */
#define CONFIG_ETHPRIME		"TSEC0"

#endif	/* CONFIG_TSEC_ENET */

/*
 * Environment
 */

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

/*
 * BOOTP options
 */
#define CONFIG_BOOTP_BOOTFILESIZE

#undef CONFIG_WATCHDOG			/* watchdog disabled */

/*
 * Miscellaneous configurable options
 */

/*
 * For booting Linux, the board info and command line data
 * have to be in the first 64 MB of memory, since this is
 * the maximum mapped by the Linux kernel during initialization.
 */
#define CONFIG_SYS_BOOTMAPSZ	(64 << 20)	/* Initial Memory map for Linux*/
#define CONFIG_SYS_BOOTM_LEN	(64 << 20)	/* Increase max gunzip size */

/*
 * Environment Configuration
 */

/* The mac addresses for all ethernet interface */
#if defined(CONFIG_TSEC_ENET)
#define CONFIG_HAS_ETH0
#define CONFIG_HAS_ETH1
#define CONFIG_HAS_ETH2
#endif

#define CONFIG_IPADDR    192.168.1.253

#define CONFIG_HOSTNAME		"unknown"
#define CONFIG_ROOTPATH		"/nfsroot"
#define CONFIG_BOOTFILE		"your.uImage"

#define CONFIG_SERVERIP  192.168.1.1
#define CONFIG_GATEWAYIP 192.168.1.1
#define CONFIG_NETMASK   255.255.255.0

#define	CONFIG_EXTRA_ENV_SETTINGS				        \
   "netdev=eth0\0"                                                      \
   "consoledev=ttyS0\0"                                                 \
   "ramdiskaddr=1000000\0"						\
   "ramdiskfile=your.ramdisk.u-boot\0"					\
   "fdtaddr=400000\0"							\
   "fdtfile=your.fdt.dtb\0"

#endif	/* __CONFIG_H */