/* * (C) Copyright 2006 * Markus Klotzbuecher, DENX Software Engineering, mk@denx.de * * Configuation settings for the SPC1920 board. * * 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 */ #ifndef __H #define __CONFIG_H #define CONFIG_SPC1920 1 /* SPC1920 board */ #define CONFIG_MPC885 1 /* MPC885 CPU */ #define CONFIG_8xx_CONS_SMC1 /* Console is on SMC1 */ #undef CONFIG_8xx_CONS_SMC2 #undef CONFIG_8xx_CONS_NONE #define CONFIG_MII /* #define MII_DEBUG */ /* #define CONFIG_FEC_ENET */ #undef CONFIG_ETHER_ON_FEC1 #define CONFIG_ETHER_ON_FEC2 #define FEC_ENET /* #define CONFIG_FEC2_PHY_NORXERR */ /* #define CFG_DISCOVER_PHY */ /* #define CONFIG_PHY_ADDR 0x1 */ #define CONFIG_FEC2_PHY 1 #define CONFIG_BAUDRATE 19200 /* use PLD CLK4 instead of brg */ #undef CFG_SPC1920_SMC1_CLK4 #define CONFIG_8xx_OSCLK 10000000 /* 10 MHz oscillator on EXTCLK */ #define CONFIG_8xx_CPUCLK_DEFAULT 50000000 #define CFG_8xx_CPUCLK_MIN 40000000 #define CFG_8xx_CPUCLK_MAX 133000000 #define CFG_RESET_ADDRESS 0xf8000000 #define CONFIG_BOARD_EARLY_INIT_F #if 1 #define CONFIG_BOOTDELAY -1 /* autoboot disabled */ #else #define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */ #endif #define CONFIG_ENV_OVERWRITE #define CONFIG_NFSBOOTCOMMAND \ "dhcp;" \ "setenv bootargs root=/dev/nfs rw nfsroot=$rootpath " \ "ip=$ipaddr:$serverip:$gatewayip:$netmask:$hostname:eth0:off;" \ "bootm" #define CONFIG_BOOTCOMMAND \ "setenv bootargs root=/dev/mtdblock2 rw mtdparts=phys:1280K(ROM)ro,-(root) "\ "ip=$ipaddr:$serverip:$gatewayip:$netmask:$hostname:eth0:off;" \ "bootm fe080000" #undef CONFIG_BOOTARGS #undef CONFIG_WATCHDOG /* watchdog disabled */ #define CONFIG_BZIP2 /* include support for bzip2 compressed images */ #ifndef CONFIG_COMMANDS #define CONFIG_COMMANDS (CONFIG_CMD_DFL \ | CFG_CMD_ASKENV \ | CFG_CMD_ECHO \ | CFG_CMD_IMMAP \ | CFG_CMD_JFFS2 \ | CFG_CMD_PING \ | CFG_CMD_DHCP \ | CFG_CMD_IMMAP \ | CFG_CMD_I2C \ | CFG_CMD_MII) /* & ~( CFG_CMD_NET)) */ #endif /* !CONFIG_COMMANDS */ /* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */ #include /* * Miscellaneous configurable options */ #define CFG_LONGHELP /* undef to save memory */ #define CFG_PROMPT "=>" /* Monitor Command Prompt */ #define CFG_HUSH_PARSER #define CFG_PROMPT_HUSH_PS2 "> " #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_LOAD_ADDR 0x00100000 #define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */ #define CFG_BAUDRATE_TABLE { 2400, 4800, 9600, 19200 } /* * 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 CFG_IMMR 0xF0000000 /*----------------------------------------------------------------------- * Definitions for initial stack pointer and data area (in DPRAM) */ #define CFG_INIT_RAM_ADDR CFG_IMMR #define CFG_INIT_RAM_END 0x2F00 /* End of used area in DPRAM */ #define CFG_GBL_DATA_SIZE 64 /* size in bytes reserved for initial data */ #define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE) #define CFG_INIT_SP_OFFSET CFG_GBL_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 */ #define CFG_MEMTEST_START 0x0400000 /* memtest works on */ #define CFG_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */ /* * 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 */ #define CFG_MONITOR_BASE TEXT_BASE #define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 KB for monitor */ #ifdef CONFIG_BZIP2 #define CFG_MALLOC_LEN (2500 << 10) /* Reserve ~2.5 MB for malloc() */ #else #define CFG_MALLOC_LEN (384 << 10) /* Reserve 384 kB for malloc() */ #endif /* CONFIG_BZIP2 */ #define CFG_ALLOC_DPRAM 1 /* use allocation routines */ /* * Flash */ /*----------------------------------------------------------------------- * Flash organisation */ #define CFG_FLASH_BASE 0xFE000000 #define CFG_FLASH_CFI /* The flash is CFI compatible */ #define CFG_FLASH_CFI_DRIVER /* Use common CFI driver */ #define CFG_MAX_FLASH_BANKS 1 /* Max number of flash banks */ #define CFG_MAX_FLASH_SECT 128 /* Max num of sects on one chip */ /* Environment is in flash */ #define CFG_ENV_IS_IN_FLASH #define CFG_ENV_SECT_SIZE 0x40000 /* We use one complete sector */ #define CFG_ENV_ADDR (CFG_MONITOR_BASE + CFG_MONITOR_LEN) #define CONFIG_ENV_OVERWRITE /*----------------------------------------------------------------------- * Cache Configuration */ #define CFG_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */ #define CFG_CACHELINE_SHIFT 4 /* log base 2 of the above value */ /*----------------------------------------------------------------------- * I2C configuration */ #if (CONFIG_COMMANDS & CFG_CMD_I2C) /* enable I2C and select the hardware/software driver */ #undef CONFIG_HARD_I2C /* I2C with hardware support */ #define CONFIG_SOFT_I2C 1 /* I2C bit-banged */ #define CFG_I2C_SPEED 93000 /* 93 kHz is supposed to work */ #define CFG_I2C_SLAVE 0xFE #ifdef CONFIG_SOFT_I2C /* * 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 */ #endif /* CONFIG_SOFT_I2C */ #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 CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \ SYPCR_SWE | SYPCR_SWRI| SYPCR_SWP) #else #define CFG_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 */ #define CFG_SIUMCR (SIUMCR_DBGC00 | SIUMCR_DBPC00 | SIUMCR_MLRC01) /*----------------------------------------------------------------------- * TBSCR - Time Base Status and Control 11-26 *----------------------------------------------------------------------- * Clear Reference Interrupt Status, Timebase freezing enabled */ #define CFG_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBE) /*----------------------------------------------------------------------- * PISCR - Periodic Interrupt Status and Control 11-31 *----------------------------------------------------------------------- * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled */ #define CFG_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 CFG_SCCR SCCR_TBS */ #define CFG_SCCR (SCCR_COM00 | SCCR_DFSYNC00 | SCCR_DFBRG00 | \ SCCR_DFNL000 | SCCR_DFNH000 | SCCR_DFLCD000 | \ SCCR_DFALCD00) /*----------------------------------------------------------------------- * DER - Debug Enable Register *----------------------------------------------------------------------- * Set to zero to prevent the processor from entering debug mode */ #define CFG_DER 0 /* Because of the way the 860 starts up and assigns CS0 the entire * address space, we have to set the memory controller differently. * Normally, you write the option register first, and then enable the * chip select by writing the base register. For CS0, you must write * the base register first, followed by the option register. */ /* * Init Memory Controller: */ /* BR0 and OR0 (FLASH) */ #define FLASH_BASE0_PRELIM CFG_FLASH_BASE /* 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 CFG_REMAP_OR_AM 0x80000000 /* OR addr mask */ #define CFG_PRELIM_OR_AM 0xE0000000 /* OR addr mask */ /* * FLASH timing: */ #define CFG_OR_TIMING_FLASH (OR_ACS_DIV1 | OR_TRLX | OR_CSNT_SAM | \ OR_SCY_3_CLK | OR_EHTR | OR_BI) #define CFG_OR0_REMAP (CFG_REMAP_OR_AM | CFG_OR_TIMING_FLASH) #define CFG_OR0_PRELIM (CFG_PRELIM_OR_AM | CFG_OR_TIMING_FLASH) #define CFG_BR0_PRELIM ((FLASH_BASE0_PRELIM & BR_BA_MSK) | BR_V ) /* * SDRAM CS1 UPMB */ #define CFG_SDRAM_BASE 0x00000000 #define CFG_SDRAM_BASE_PRELIM CFG_SDRAM_BASE #define SDRAM_MAX_SIZE 0x4000000 /* max 64 MB */ #define CFG_PRELIM_OR1_AM 0xF0000000 /* #define CFG_OR1_TIMING OR_CSNT_SAM/\* | OR_G5LS /\\* *\\/ *\/ */ #define SDRAM_TIMING OR_SCY_0_CLK /* SDRAM-Timing */ #define CFG_OR1_PRELIM (CFG_PRELIM_OR1_AM | OR_CSNT_SAM | OR_G5LS | SDRAM_TIMING) #define CFG_BR1_PRELIM ((CFG_SDRAM_BASE_PRELIM & BR_BA_MSK) | BR_MS_UPMB | BR_V) /* #define CFG_OR1_FINAL ((CFG_OR1_AM & OR_AM_MSK) | CFG_OR1_TIMING) */ /* #define CFG_BR1_FINAL ((CFG_SDRAM_BASE & BR_BA_MSK) | BR_MS_UPMB | BR_V) */ #define CFG_PTB_PER_CLK ((4096 * 16 * 1000) / (4 * 64)) #define CFG_PTA_PER_CLK 195 #define CFG_MBMR_PTB 195 #define CFG_MPTPR MPTPR_PTP_DIV16 #define CFG_MAR 0x88 #define CFG_MBMR_8COL ((CFG_MBMR_PTB << MBMR_PTB_SHIFT) | \ MBMR_AMB_TYPE_0 | \ MBMR_G0CLB_A10 | \ MBMR_DSB_1_CYCL | \ MBMR_RLFB_1X | \ MBMR_WLFB_1X | \ MBMR_TLFB_4X) /* 0x04804114 */ /* 0x10802114 */ #define CFG_MBMR_9COL ((CFG_MBMR_PTB << MBMR_PTB_SHIFT) | \ MBMR_AMB_TYPE_1 | \ MBMR_G0CLB_A10 | \ MBMR_DSB_1_CYCL | \ MBMR_RLFB_1X | \ MBMR_WLFB_1X | \ MBMR_TLFB_4X) /* 0x04804114 */ /* 0x10802114 */ /* * DSP Host Port Interface CS3 */ #define CFG_SPC1920_HPI_BASE 0x90000000 #define CFG_PRELIM_OR3_AM 0xF0000000 #define CFG_OR3_PRELIM (CFG_PRELIM_OR3_AM | \ OR_G5LS | \ OR_SCY_0_CLK | \ OR_BI) #define CFG_BR3_PRELIM ((CFG_SPC1920_HPI_BASE & BR_BA_MSK) | \ BR_MS_UPMA | \ BR_PS_16 | \ BR_V); #define CFG_MAMR (MAMR_GPL_A4DIS | \ MAMR_RLFA_5X | \ MAMR_WLFA_5X) #define CONFIG_SPC1920_HPI_TEST #ifdef CONFIG_SPC1920_HPI_TEST #define HPI_REG(x) (*((volatile u16 *) (CFG_SPC1920_HPI_BASE + x))) #define HPI_HPIC_1 HPI_REG(0) #define HPI_HPIC_2 HPI_REG(2) #define HPI_HPIA_1 HPI_REG(0x2000000) #define HPI_HPIA_2 HPI_REG(0x2000000 + 2) #define HPI_HPID_INC_1 HPI_REG(0x1000000) #define HPI_HPID_INC_2 HPI_REG(0x1000000 + 2) #define HPI_HPID_NOINC_1 HPI_REG(0x3000000) #define HPI_HPID_NOINC_2 HPI_REG(0x3000000 + 2) #endif /* CONFIG_SPC1920_HPI_TEST */ /* * PLD CS5 */ #define CFG_SPC1920_PLD_BASE 0x80000000 #define CFG_PRELIM_OR5_AM 0xfff00000 #define CFG_OR5_PRELIM (CFG_PRELIM_OR5_AM | \ OR_CSNT_SAM | \ OR_ACS_DIV1 | \ OR_BI | \ OR_SCY_0_CLK | \ OR_TRLX) #define CFG_BR5_PRELIM ((CFG_SPC1920_PLD_BASE & BR_BA_MSK) | BR_PS_8 | BR_V); /* * Internal Definitions * * Boot Flags */ #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */ #define BOOTFLAG_WARM 0x02 /* Software reboot */ /* Machine type */ #define _MACH_8xx (_MACH_fads) #endif /* __CONFIG_H */