blob: 6722050e988ca54f7b02d1c410735c01fa9cf883 [file] [log] [blame]
/*
* (C) Copyright 2000-2014
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
* (C) Copyright 2006
* Martin Krause, TQ-Systems GmBH, martin.krause@tqs.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_MPC885 1 /* This is a MPC885 CPU */
#define CONFIG_TQM885D 1 /* ...on a TQM88D module */
#define CONFIG_SYS_TEXT_BASE 0x40000000
#define CONFIG_8xx_OSCLK 10000000 /* 10 MHz - PLL input clock */
#define CONFIG_SYS_8xx_CPUCLK_MIN 15000000 /* 15 MHz - CPU minimum clock */
#define CONFIG_SYS_8xx_CPUCLK_MAX 133000000 /* 133 MHz - CPU maximum clock */
#define CONFIG_8xx_CPUCLK_DEFAULT 66000000 /* 66 MHz - CPU default clock */
/* (it will be used if there is no */
/* 'cpuclk' variable with valid value) */
#define CONFIG_8xx_CONS_SMC1 1 /* Console is on SMC1 */
#define CONFIG_SYS_SMC_RXBUFLEN 128
#define CONFIG_SYS_MAXIDLE 10
#define CONFIG_BAUDRATE 115200 /* console baudrate = 115kbps */
#define CONFIG_BOOTCOUNT_LIMIT
#define CONFIG_BOARD_TYPES 1 /* support board types */
#define CONFIG_PREBOOT "echo;" \
"echo Type \\\"run flash_nfs\\\" to mount root filesystem over NFS;" \
"echo"
#undef CONFIG_BOOTARGS
#define CONFIG_EXTRA_ENV_SETTINGS \
"netdev=eth0\0" \
"nfsargs=setenv bootargs root=/dev/nfs rw " \
"nfsroot=${serverip}:${rootpath}\0" \
"ramargs=setenv bootargs root=/dev/ram rw\0" \
"addip=setenv bootargs ${bootargs} " \
"ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}" \
":${hostname}:${netdev}:off panic=1\0" \
"flash_nfs=run nfsargs addip;" \
"bootm ${kernel_addr}\0" \
"flash_self=run ramargs addip;" \
"bootm ${kernel_addr} ${ramdisk_addr}\0" \
"net_nfs=tftp 200000 ${bootfile};run nfsargs addip;bootm\0" \
"rootpath=/opt/eldk/ppc_8xx\0" \
"bootfile=/tftpboot/TQM885D/uImage\0" \
"fdt_addr=400C0000\0" \
"kernel_addr=40100000\0" \
"ramdisk_addr=40280000\0" \
"load=tftp 200000 ${u-boot}\0" \
"update=protect off 40000000 +${filesize};" \
"erase 40000000 +${filesize};" \
"cp.b 200000 40000000 ${filesize};" \
"protect on 40000000 +${filesize}\0" \
""
#define CONFIG_BOOTCOMMAND "run flash_self"
#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_CAN_DRIVER /* CAN Driver support disabled */
/* 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 93000 /* 93 kHz is supposed to work */
#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(2) /* 1/4 I2C clock duration */
#define CONFIG_SYS_I2C_EEPROM_ADDR 0x50 /* EEPROM AT24C?? */
#define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 2 /* two byte address */
#define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS 4
#define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS 10 /* and takes up to 10 msec */
# define CONFIG_RTC_DS1337 1
# define CONFIG_SYS_I2C_RTC_ADDR 0x68
/*
* BOOTP options
*/
#define CONFIG_BOOTP_SUBNETMASK
#define CONFIG_BOOTP_GATEWAY
#define CONFIG_BOOTP_HOSTNAME
#define CONFIG_BOOTP_BOOTPATH
#define CONFIG_BOOTP_BOOTFILESIZE
#undef CONFIG_RTC_MPC8xx /* MPC885 does not support RTC */
#define CONFIG_TIMESTAMP /* but print image timestmps */
/*
* Command line configuration.
*/
#define CONFIG_CMD_DATE
#define CONFIG_CMD_EEPROM
#define CONFIG_CMD_IDE
/*
* Miscellaneous configurable options
*/
#define CONFIG_SYS_LONGHELP /* undef to save memory */
#define CONFIG_CMDLINE_EDITING 1 /* add command line history */
#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 0x0100000 /* memtest works on */
#define CONFIG_SYS_MEMTEST_END 0x0300000 /* 1 ... 3 MB in DRAM */
#define CONFIG_SYS_ALT_MEMTEST /* alternate, more extensive
memory test.*/
#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 (256 << 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
*/
/* use CFI flash driver */
#define CONFIG_SYS_FLASH_CFI 1 /* Flash is CFI conformant */
#define CONFIG_FLASH_CFI_DRIVER 1 /* Use the common driver */
#define CONFIG_SYS_FLASH_BANKS_LIST { CONFIG_SYS_FLASH_BASE }
#define CONFIG_SYS_FLASH_EMPTY_INFO
#define CONFIG_SYS_FLASH_USE_BUFFER_WRITE 1
#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_ENV_IS_IN_FLASH 1
#define CONFIG_ENV_OFFSET 0x40000 /* Offset of Environment Sector */
#define CONFIG_ENV_SIZE 0x08000 /* Total Size of Environment */
#define CONFIG_ENV_SECT_SIZE 0x40000 /* Total Size of Environment Sector */
/* Address and size of Redundant Environment Sector */
#define CONFIG_ENV_OFFSET_REDUND (CONFIG_ENV_OFFSET+CONFIG_ENV_SECT_SIZE)
#define CONFIG_ENV_SIZE_REDUND (CONFIG_ENV_SIZE)
/*-----------------------------------------------------------------------
* Hardware Information Block
*/
#define CONFIG_SYS_HWINFO_OFFSET 0x0003FFC0 /* offset of HW Info block */
#define CONFIG_SYS_HWINFO_SIZE 0x00000040 /* size of HW Info block */
#define CONFIG_SYS_HWINFO_MAGIC 0x54514D38 /* 'TQM8' */
/*-----------------------------------------------------------------------
* 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)
/*-----------------------------------------------------------------------
* PISCR - Periodic Interrupt Status and Control 11-31
*-----------------------------------------------------------------------
* Clear Periodic Interrupt Status, Interrupt Timer freezing enabled
*/
#define CONFIG_SYS_PISCR (PISCR_PS | PISCR_PITF)
/*-----------------------------------------------------------------------
* 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_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 0
/*
* Init Memory Controller:
*
* BR0/1 and OR0/1 (FLASH)
*/
#define FLASH_BASE0_PRELIM 0x40000000 /* FLASH bank #0 */
#define FLASH_BASE1_PRELIM 0x60000000 /* 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: Default value of OR0 after reset
*/
#define CONFIG_SYS_OR_TIMING_FLASH (OR_CSNT_SAM | OR_ACS_MSK | OR_BI | \
OR_SCY_6_CLK | OR_TRLX)
#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 )
#define CONFIG_SYS_OR1_REMAP CONFIG_SYS_OR0_REMAP
#define CONFIG_SYS_OR1_PRELIM CONFIG_SYS_OR0_PRELIM
#define CONFIG_SYS_BR1_PRELIM ((FLASH_BASE1_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 (256 << 20) /* max 256 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 */
/*
* 4096 Rows from SDRAM example configuration
* 1000 factor s -> ms
* 64 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
*/
#define CONFIG_SYS_PTA_PER_CLK ((4096 * 64 * 1000) / (4 * 64))
/*
* Periodic timer (MAMR[PTx]) for 4 * 7.8 us refresh (= 31.2 us per quad)
*
* CPUclock(MHz) * 31.2
* CONFIG_SYS_MAMR_PTA = ----------------------------------- with DFBRG = 0
* 2^(2*SCCR[DFBRG]) * MPTPR_PTP_DIV16
*
* CPU clock = 15 MHz: CONFIG_SYS_MAMR_PTA = 29 -> 4 * 7.73 us
* CPU clock = 50 MHz: CONFIG_SYS_MAMR_PTA = 97 -> 4 * 7.76 us
* CPU clock = 66 MHz: CONFIG_SYS_MAMR_PTA = 128 -> 4 * 7.75 us
* CPU clock = 133 MHz: CONFIG_SYS_MAMR_PTA = 255 -> 4 * 7.67 us
*
* Value 97 is for 4 * 7.8 us at 50 MHz. So the refresh cycle requirement will
* be met also in the default configuration, i.e. if environment variable
* 'cpuclk' is not set.
*/
#define CONFIG_SYS_MAMR_PTA 128
/*
* Memory Periodic Timer Prescaler Register (MPTPR) values.
*/
/* 4 * 7.8 us refresh (= 31.2 us per quad) at 50 MHz and PTA = 97 */
#define CONFIG_SYS_MPTPR_2BK_4K MPTPR_PTP_DIV16
/* 4 * 3.9 us refresh (= 15.6 us per quad) at 50 MHz and PTA = 97 */
#define CONFIG_SYS_MPTPR_2BK_8K MPTPR_PTP_DIV8
/*
* 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)
/* 10 column SDRAM */
#define CONFIG_SYS_MAMR_10COL ((CONFIG_SYS_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
MAMR_AMA_TYPE_2 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A9 | \
MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
/*
* Network configuration
*/
#define CONFIG_SCC2_ENET /* enable ethernet on SCC2 */
#define CONFIG_FEC_ENET /* enable ethernet on FEC */
#define CONFIG_ETHER_ON_FEC1 /* ... for FEC1 */
#define CONFIG_ETHER_ON_FEC2 /* ... for FEC2 */
#if defined(CONFIG_CMD_MII)
#define CONFIG_SYS_DISCOVER_PHY
#define CONFIG_MII_INIT 1
#endif
#define CONFIG_NET_RETRY_COUNT 1 /* reduce max. timeout before
switching to another netwok (if the
tried network is unreachable) */
#define CONFIG_ETHPRIME "SCC"
#define CONFIG_HWCONFIG 1
#endif /* __CONFIG_H */