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/*
* (C) Copyright 2003
* EMK Elektronik GmbH <www.emk-elektronik.de>
* Reinhard Meyer <r.meyer@emk-elektronik.de>
*
* Configuation settings for the TOP860 board.
*
* -----------------------------------------------------------------
* SPDX-License-Identifier: GPL-2.0+
*/
/*
* TOP860 is a simple module:
* 16-bit wide FLASH on CS0 (2MB or more)
* 32-bit wide DRAM on CS2 (either 4MB or 16MB)
* FEC with Am79C874 100-Base-T and Fiber Optic
* Ports available, but we choose SMC1 for Console
* 8k I2C EEPROM at address 0xae, 6k user available, 2k factory set
* 32768Hz crystal PLL set for 49.152MHz Core and 24.576MHz Bus Clock
*
* This config has been copied from MBX.h / MBX860T.h
*/
/*
* board/config.h - configuration options, board specific
*/
#ifndef __CONFIG_H
#define __CONFIG_H
/*
* High Level Configuration Options
* (easy to change)
*/
/*-----------------------------------------------------------------------
* CPU and BOARD type
*/
#define CONFIG_MPC860 1 /* This is a MPC860 CPU */
#define CONFIG_MPC860T 1 /* even better... an FEC! */
#define CONFIG_TOP860 1 /* ...on a TOP860 module */
#define CONFIG_SYS_TEXT_BASE 0x80000000
#undef CONFIG_WATCHDOG /* watchdog disabled */
#define CONFIG_IDENT_STRING " EMK TOP860"
/*-----------------------------------------------------------------------
* CLOCK settings
*/
#define CONFIG_SYSCLK 49152000
#define CONFIG_SYS_XTAL 32768
#define CONFIG_EBDF 1
#define CONFIG_COM 3
#define CONFIG_RTC_MPC8xx
/*-----------------------------------------------------------------------
* Physical memory map as defined by EMK
*/
#define CONFIG_SYS_IMMR 0xFFF00000 /* Internal Memory Mapped Register */
#define CONFIG_SYS_FLASH_BASE 0x80000000 /* FLASH in final mapping */
#define CONFIG_SYS_DRAM_BASE 0x00000000 /* DRAM in final mapping */
#define CONFIG_SYS_FLASH_MAX 0x00400000 /* max FLASH to expect */
#define CONFIG_SYS_DRAM_MAX 0x01000000 /* max DRAM to expect */
/*-----------------------------------------------------------------------
* derived values
*/
#define CONFIG_SYS_MF (CONFIG_SYSCLK/CONFIG_SYS_XTAL)
#define CONFIG_SYS_CPUCLOCK CONFIG_SYSCLK
#define CONFIG_SYS_BRGCLOCK CONFIG_SYSCLK
#define CONFIG_SYS_BUSCLOCK (CONFIG_SYSCLK >> CONFIG_EBDF)
#define CONFIG_SYS_HZ 1000 /* decrementer freq: 1 ms ticks */
#define CONFIG_8xx_GCLK_FREQ CONFIG_SYSCLK
/*-----------------------------------------------------------------------
* FLASH organization
*/
#define CONFIG_SYS_MAX_FLASH_BANKS 1 /* max number of memory banks */
#define CONFIG_SYS_MAX_FLASH_SECT 128 /* 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_CFI
/*-----------------------------------------------------------------------
* Command interpreter
*/
#define CONFIG_8xx_CONS_SMC1 1 /* Console is on SMC1 */
#undef CONFIG_8xx_CONS_SMC2
#define CONFIG_BAUDRATE 9600
/*
* Allow partial commands to be matched to uniqueness.
*/
#define CONFIG_SYS_MATCH_PARTIAL_CMD
/*
* Command line configuration.
*/
#include <config_cmd_default.h>
#define CONFIG_CMD_ASKENV
#define CONFIG_CMD_DHCP
#define CONFIG_CMD_I2C
#define CONFIG_CMD_EEPROM
#define CONFIG_CMD_REGINFO
#define CONFIG_CMD_IMMAP
#define CONFIG_CMD_ELF
#define CONFIG_CMD_DATE
#define CONFIG_CMD_MII
#define CONFIG_CMD_BEDBUG
#define CONFIG_SOURCE 1
#define CONFIG_SYS_LOADS_BAUD_CHANGE 1
#undef CONFIG_LOADS_ECHO /* NO echo on for serial download */
#define CONFIG_SYS_LONGHELP /* undef to save memory */
#define CONFIG_SYS_PROMPT "=> " /* Monitor Command Prompt */
#undef CONFIG_SYS_HUSH_PARSER /* Hush parse for U-Boot */
#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 */
/*-----------------------------------------------------------------------
* Memory Test Command
*/
#define CONFIG_SYS_MEMTEST_START 0x0400000 /* memtest works on */
#define CONFIG_SYS_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */
/*-----------------------------------------------------------------------
* Environment handler
* only the first 6k in EEPROM are available for user. Of that we use 256b
*/
#define CONFIG_ENV_IS_IN_EEPROM 1 /* turn on EEPROM env feature */
#define CONFIG_ENV_OFFSET 0x1000
#define CONFIG_ENV_SIZE 0x0700
#define CONFIG_SYS_I2C_EEPROM_ADDR 0x57
#define CONFIG_SYS_FACT_OFFSET 0x1800
#define CONFIG_SYS_FACT_SIZE 0x0800
#define CONFIG_SYS_I2C_FACT_ADDR 0x57
#define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS 3
#define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 2
#define CONFIG_SYS_EEPROM_SIZE 0x2000
#define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS 12
#define CONFIG_ENV_OVERWRITE
#define CONFIG_MISC_INIT_R
#define CONFIG_SYS_I2C
#define CONFIG_SYS_I2C_SOFT /* I2C bit-banged */
#define CONFIG_SYS_I2C_SOFT_SPEED 100000
#define CONFIG_SYS_I2C_SOFT_SLAVE 0xFE
/**/
#define SDA 0x00010
#define SCL 0x00020
#define __I2C_DIR immr->im_cpm.cp_pbdir
#define __I2C_DAT immr->im_cpm.cp_pbdat
#define __I2C_PAR immr->im_cpm.cp_pbpar
#define __I2C_ODR immr->im_cpm.cp_pbodr
#define I2C_INIT { __I2C_PAR &= ~(SDA|SCL); \
__I2C_ODR &= ~(SDA|SCL); \
__I2C_DAT |= (SDA|SCL); \
__I2C_DIR|=(SDA|SCL); }
#define I2C_READ ((__I2C_DAT & SDA) ? 1 : 0)
#define I2C_SDA(x) { if (x) __I2C_DAT |= SDA; else __I2C_DAT &= ~SDA; }
#define I2C_SCL(x) { if (x) __I2C_DAT |= SCL; else __I2C_DAT &= ~SCL; }
#define I2C_DELAY { udelay(5); }
#define I2C_ACTIVE { __I2C_DIR |= SDA; }
#define I2C_TRISTATE { __I2C_DIR &= ~SDA; }
#define CONFIG_SYS_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200, 230400 }
/*-----------------------------------------------------------------------
* defines we need to get FEC running
*/
#define CONFIG_FEC_ENET 1 /* Ethernet only via FEC */
#define FEC_ENET 1 /* eth.c needs it that way... */
#define CONFIG_SYS_DISCOVER_PHY 1
#define CONFIG_MII 1
#define CONFIG_MII_INIT 1
#define CONFIG_PHY_ADDR 31
/*-----------------------------------------------------------------------
* adresses
*/
#define CONFIG_SYS_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
#define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_TEXT_BASE
#define CONFIG_SYS_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */
/*-----------------------------------------------------------------------
* 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 0x80000000
/*-----------------------------------------------------------------------
* 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_VPD_SIZE 256 /* size in bytes reserved for vpd buffer */
#define CONFIG_SYS_INIT_VPD_OFFSET (CONFIG_SYS_GBL_DATA_OFFSET - CONFIG_SYS_INIT_VPD_SIZE)
#define CONFIG_SYS_INIT_SP_OFFSET (CONFIG_SYS_INIT_VPD_OFFSET-8)
/*-----------------------------------------------------------------------
* 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
/* Interrupt level assignments.
*/
#define FEC_INTERRUPT SIU_LEVEL1 /* FEC interrupt */
/*-----------------------------------------------------------------------
* Debug Enable Register
*-----------------------------------------------------------------------
*
*/
#define CONFIG_SYS_DER 0 /* used in start.S */
/*-----------------------------------------------------------------------
* PLPRCR - PLL, Low-Power, and Reset Control Register 15-30
*-----------------------------------------------------------------------
* set up PLPRCR (PLL, Low-Power, and Reset Control Register)
* 12 MF calculated Multiplication factor
* 4 0 0000
* 1 SPLSS 0 System PLL lock status sticky
* 1 TEXPS 1 Timer expired status
* 1 0 0
* 1 TMIST 0 Timers interrupt status
* 1 0 0
* 1 CSRC 0 Clock source (0=DFNH, 1=DFNL)
* 2 LPM 00 Low-power modes
* 1 CSR 0 Checkstop reset enable
* 1 LOLRE 0 Loss-of-lock reset enable
* 1 FIOPD 0 Force I/O pull down
* 5 0 00000
*/
#define CONFIG_SYS_PLPRCR (PLPRCR_TEXPS | ((CONFIG_SYS_MF-1)<<20))
/*-----------------------------------------------------------------------
* SYPCR - System Protection Control 11-9
* SYPCR can only be written once after reset!
*-----------------------------------------------------------------------
* set up SYPCR:
* 16 SWTC 0xffff Software watchdog timer count
* 8 BMT 0xff Bus monitor timing
* 1 BME 1 Bus monitor enable
* 3 0 000
* 1 SWF 1 Software watchdog freeze
* 1 SWE 0/1 Software watchdog enable
* 1 SWRI 0/1 Software watchdog reset/interrupt select (1=HRESET)
* 1 SWP 0/1 Software watchdog prescale (1=/2048)
*/
#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)
#endif
/*-----------------------------------------------------------------------
* SIUMCR - SIU Module Configuration 11-6
*-----------------------------------------------------------------------
* set up SIUMCR
* 1 EARB 0 External arbitration
* 3 EARP 000 External arbitration request priority
* 4 0 0000
* 1 DSHW 0 Data show cycles
* 2 DBGC 00 Debug pin configuration
* 2 DBPC 00 Debug port pins configuration
* 1 0 0
* 1 FRC 0 FRZ pin configuration
* 1 DLK 0 Debug register lock
* 1 OPAR 0 Odd parity
* 1 PNCS 0 Parity enable for non memory controller regions
* 1 DPC 0 Data parity pins configuration
* 1 MPRE 0 Multiprocessor reservation enable
* 2 MLRC 11 Multi level reservation control (00=IRQ4, 01=3State, 10=KR/RETRY, 11=SPKROUT)
* 1 AEME 0 Async external master enable
* 1 SEME 0 Sync external master enable
* 1 BSC 0 Byte strobe configuration
* 1 GB5E 0 GPL_B5 enable
* 1 B2DD 0 Bank 2 double drive
* 1 B3DD 0 Bank 3 double drive
* 4 0 0000
*/
#define CONFIG_SYS_SIUMCR (SIUMCR_MLRC11)
/*-----------------------------------------------------------------------
* 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)
/*-----------------------------------------------------------------------
* 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)
/*-----------------------------------------------------------------------
* SCCR - System Clock and reset Control Register 15-27
*-----------------------------------------------------------------------
* set up SCCR (System Clock and Reset Control Register)
* 1 0 0
* 2 COM 11 Clock output module (00=full, 01=half, 11=off)
* 3 0 000
* 1 TBS 1 Timebase source (0=OSCCLK, 1=GCLK2)
* 1 RTDIV 0 Real-time clock divide (0=/4, 1=/512)
* 1 RTSEL 0 Real-time clock select (0=OSCM, 1=EXTCLK)
* 1 CRQEN 0 CPM request enable
* 1 PRQEN 0 Power management request enable
* 2 0 00
* 2 EBDF xx External bus division factor
* 2 0 00
* 2 DFSYNC 00 Division factor for SYNCLK
* 2 DFBRG 00 Division factor for BRGCLK
* 3 DFNL 000 Division factor low frequency
* 3 DFNH 000 Division factor high frequency
* 5 0 00000
*/
#define SCCR_MASK 0
#ifdef CONFIG_EBDF
#define CONFIG_SYS_SCCR (SCCR_COM11 | SCCR_TBS | SCCR_EBDF01)
#else
#define CONFIG_SYS_SCCR (SCCR_COM11 | SCCR_TBS)
#endif
/*-----------------------------------------------------------------------
* Chip Select 0 - FLASH
*-----------------------------------------------------------------------
* Preliminary Values
*/
/* FLASH timing: CSNT=1 ACS=10 BIH=1 SCY=4 SETA=0 TLRX=1 EHTR=1 */
#define CONFIG_SYS_OR_TIMING_FLASH (OR_CSNT_SAM | OR_ACS_DIV4 | OR_BI | OR_SCY_4_CLK | OR_TRLX | OR_EHTR)
#define CONFIG_SYS_OR0_PRELIM (-CONFIG_SYS_FLASH_MAX | CONFIG_SYS_OR_TIMING_FLASH)
#define CONFIG_SYS_BR0_PRELIM (CONFIG_SYS_FLASH_BASE | BR_PS_16 | BR_V )
/*-----------------------------------------------------------------------
* misc
*-----------------------------------------------------------------------
*
*/
/*
* Set the autoboot delay in seconds. A delay of -1 disables autoboot
*/
#define CONFIG_BOOTDELAY 5
/*
* Pass the clock frequency to the Linux kernel in units of MHz
*/
#define CONFIG_CLOCKS_IN_MHZ
#define CONFIG_PREBOOT \
"echo;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"
/*
* BOOTP options
*/
#define CONFIG_BOOTP_SUBNETMASK
#define CONFIG_BOOTP_GATEWAY
#define CONFIG_BOOTP_HOSTNAME
#define CONFIG_BOOTP_BOOTPATH
#define CONFIG_BOOTP_BOOTFILESIZE
/*
* Set default IP stuff just to get bootstrap entries into the
* environment so that we can source the full default environment.
*/
#define CONFIG_ETHADDR 9a:52:63:15:85:25
#define CONFIG_SERVERIP 10.0.4.200
#define CONFIG_IPADDR 10.0.4.111
#define CONFIG_SYS_LOAD_ADDR 0x00100000 /* default load 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 CONFIG_SYS_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
#endif /* __CONFIG_H */
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