mirror of
https://github.com/u-boot/u-boot.git
synced 2024-12-01 00:23:29 +08:00
8bde7f776c
- remove trailing white space, trailing empty lines, C++ comments, etc.
- split cmd_boot.c (separate cmd_bdinfo.c and cmd_load.c)
* Patches by Kenneth Johansson, 25 Jun 2003:
- major rework of command structure
(work done mostly by Michal Cendrowski and Joakim Kristiansen)
767 lines
20 KiB
C
767 lines
20 KiB
C
/*
|
|
* (C) Copyright 2000
|
|
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
|
|
* Keith Outwater, keith_outwater@mvis.com
|
|
*
|
|
* See file CREDITS for list of people who contributed to this
|
|
* project.
|
|
*
|
|
* 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
|
|
*/
|
|
|
|
/*
|
|
* board/config_GEN860T.h - board specific configuration options
|
|
*/
|
|
|
|
#ifndef __CONFIG_GEN860T_H
|
|
#define __CONFIG_H
|
|
|
|
/*
|
|
* High Level Configuration Options
|
|
*/
|
|
#define CONFIG_MPC860
|
|
#define CONFIG_GEN860T
|
|
|
|
/*
|
|
* Identify the board
|
|
*/
|
|
#if !defined(CONFIG_SC)
|
|
#define CONFIG_IDENT_STRING " B2"
|
|
#else
|
|
#define CONFIG_IDENT_STRING " SC"
|
|
#endif
|
|
|
|
/*
|
|
* Don't depend on the RTC clock to determine clock frequency -
|
|
* the 860's internal rtc uses a 32.768 KHz clock which is
|
|
* generated by the DS1337 - and the DS1337 clock can be turned off.
|
|
*/
|
|
#if !defined(CONFIG_SC)
|
|
#define CONFIG_8xx_GCLK_FREQ 66600000
|
|
#else
|
|
#define CONFIG_8xx_GCLK_FREQ 48000000
|
|
#endif
|
|
|
|
/*
|
|
* The RS-232 console port is on SMC1
|
|
*/
|
|
#define CONFIG_8xx_CONS_SMC1
|
|
#define CONFIG_BAUDRATE 38400
|
|
|
|
/*
|
|
* Set allowable console baud rates
|
|
*/
|
|
#define CFG_BAUDRATE_TABLE { 9600, \
|
|
19200, \
|
|
38400, \
|
|
57600, \
|
|
115200, \
|
|
}
|
|
|
|
/*
|
|
* Print console information
|
|
*/
|
|
#undef CFG_CONSOLE_INFO_QUIET
|
|
|
|
/*
|
|
* 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"
|
|
|
|
/*
|
|
* Turn off echo for serial download by default. Allow baud rate to be changed
|
|
* for downloads
|
|
*/
|
|
#undef CONFIG_LOADS_ECHO
|
|
#define CFG_LOADS_BAUD_CHANGE
|
|
|
|
/*
|
|
* Set default load address for tftp network downloads
|
|
*/
|
|
#define CFG_TFTP_LOADADDR 0x01000000
|
|
|
|
/*
|
|
* Turn off the watchdog timer
|
|
*/
|
|
#undef CONFIG_WATCHDOG
|
|
|
|
/*
|
|
* Do not reboot if a panic occurs
|
|
*/
|
|
#define CONFIG_PANIC_HANG
|
|
|
|
/*
|
|
* Enable the status LED
|
|
*/
|
|
#define CONFIG_STATUS_LED
|
|
|
|
/*
|
|
* Reset address. We pick an address such that when an instruction
|
|
* is executed at that address, a machine check exception occurs
|
|
*/
|
|
#define CFG_RESET_ADDRESS ((ulong) -1)
|
|
|
|
/*
|
|
* BOOTP options
|
|
*/
|
|
#define CONFIG_BOOTP_MASK ( CONFIG_BOOTP_DEFAULT | \
|
|
CONFIG_BOOTP_BOOTFILESIZE \
|
|
)
|
|
|
|
/*
|
|
* The GEN860T network interface uses the on-chip 10/100 FEC with
|
|
* an Intel LXT971A PHY connected to the 860T's MII. The PHY's
|
|
* MII address is hardwired on the board to zero.
|
|
*/
|
|
#define CONFIG_FEC_ENET
|
|
#define CFG_DISCOVER_PHY
|
|
#define CONFIG_MII
|
|
#define CONFIG_PHY_ADDR 0
|
|
|
|
/*
|
|
* Set default IP stuff just to get bootstrap entries into the
|
|
* environment so that we can autoscript the full default environment.
|
|
*/
|
|
#define CONFIG_ETHADDR 9a:52:63:15:85:25
|
|
#define CONFIG_SERVERIP 10.0.4.201
|
|
#define CONFIG_IPADDR 10.0.4.111
|
|
|
|
/*
|
|
* This board has a 32 kibibyte EEPROM (Atmel AT24C256) connected to
|
|
* the MPC860T I2C interface.
|
|
*/
|
|
#define CFG_I2C_EEPROM_ADDR 0x50
|
|
#define CFG_EEPROM_PAGE_WRITE_BITS 6 /* 64 byte pages */
|
|
#define CFG_EEPROM_PAGE_WRITE_DELAY_MS 12 /* 10 mS w/ 20% margin */
|
|
#define CFG_I2C_EEPROM_ADDR_LEN 2 /* need 16 bit address */
|
|
#define CFG_ENV_EEPROM_SIZE (32 * 1024)
|
|
|
|
/*
|
|
* Enable I2C and select the hardware/software driver
|
|
*/
|
|
#define CONFIG_HARD_I2C 1 /* CPM based I2C */
|
|
#undef CONFIG_SOFT_I2C /* Bit-banged I2C */
|
|
|
|
#ifdef CONFIG_HARD_I2C
|
|
#define CFG_I2C_SPEED 100000 /* clock speed in Hz */
|
|
#define CFG_I2C_SLAVE 0xFE /* I2C slave address */
|
|
#endif
|
|
|
|
#ifdef CONFIG_SOFT_I2C
|
|
#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(5) /* 1/4 I2C clock duration */
|
|
#endif
|
|
|
|
/*
|
|
* Allow environment overwrites by anyone
|
|
*/
|
|
#define CONFIG_ENV_OVERWRITE
|
|
|
|
#if !defined(CONFIG_SC)
|
|
/*
|
|
* The MPC860's internal RTC is horribly broken in rev D masks. Three
|
|
* internal MPC860T circuit nodes were inadvertently left floating; this
|
|
* causes KAPWR current in power down mode to be three orders of magnitude
|
|
* higher than specified in the datasheet (from 10 uA to 10 mA). No
|
|
* reasonable battery can keep that kind RTC running during powerdown for any
|
|
* length of time, so we use an external RTC on the I2C bus instead.
|
|
*/
|
|
#define CONFIG_RTC_DS1337
|
|
#define CFG_I2C_RTC_ADDR 0x68
|
|
|
|
#else
|
|
/*
|
|
* No external RTC on SC variant, so we're stuck with the internal one.
|
|
*/
|
|
#define CONFIG_RTC_MPC8xx
|
|
#endif
|
|
|
|
/*
|
|
* Power On Self Test support
|
|
*/
|
|
#define CONFIG_POST ( CFG_POST_CACHE | \
|
|
CFG_POST_MEMORY | \
|
|
CFG_POST_CPU | \
|
|
CFG_POST_UART | \
|
|
CFG_POST_SPR )
|
|
|
|
#ifdef CONFIG_POST
|
|
#define CFG_CMD_POST_DIAG CFG_CMD_DIAG
|
|
#else
|
|
#define CFG_CMD_POST_DIAG 0
|
|
#endif
|
|
|
|
/*
|
|
* List of available monitor commands. Use the system default list
|
|
* plus add some of the "non-standard" commands back in.
|
|
* See ./cmd_confdefs.h
|
|
*/
|
|
#define BASE_CONFIG_COMMANDS ( CONFIG_CMD_DFL | \
|
|
CFG_CMD_ASKENV | \
|
|
CFG_CMD_DHCP | \
|
|
CFG_CMD_I2C | \
|
|
CFG_CMD_EEPROM | \
|
|
CFG_CMD_REGINFO | \
|
|
CFG_CMD_IMMAP | \
|
|
CFG_CMD_ELF | \
|
|
CFG_CMD_DATE | \
|
|
CFG_CMD_FPGA | \
|
|
CFG_CMD_MII | \
|
|
CFG_CMD_BEDBUG | \
|
|
CFG_CMD_POST_DIAG )
|
|
|
|
#if !defined(CONFIG_SC)
|
|
#define CONFIG_COMMANDS ( BASE_CONFIG_COMMANDS | CFG_CMD_DOC )
|
|
#else
|
|
#define CONFIG_COMMANDS BASE_CONFIG_COMMANDS
|
|
#endif
|
|
|
|
/*
|
|
* There is no IDE/PCMCIA hardware support on the board.
|
|
*/
|
|
#undef CONFIG_IDE_PCMCIA
|
|
#undef CONFIG_IDE_LED
|
|
#undef CONFIG_IDE_RESET
|
|
|
|
/*
|
|
* Enable the call to misc_init_r() for miscellaneous platform
|
|
* dependent initialization.
|
|
*/
|
|
#define CONFIG_MISC_INIT_R
|
|
|
|
/*
|
|
* Enable call to last_stage_init() so we can twiddle some LEDS :)
|
|
*/
|
|
#define CONFIG_LAST_STAGE_INIT
|
|
|
|
/*
|
|
* Virtex2 FPGA configuration support
|
|
*/
|
|
#define CONFIG_FPGA_COUNT 1
|
|
#define CONFIG_FPGA CFG_XILINX_VIRTEX2
|
|
#define CFG_FPGA_PROG_FEEDBACK
|
|
|
|
|
|
/************************************************************************
|
|
* This must be included AFTER the definition of any CONFIG_COMMANDS
|
|
*/
|
|
#include <cmd_confdefs.h>
|
|
|
|
/*
|
|
* Verbose help from command monitor.
|
|
*/
|
|
#define CFG_LONGHELP
|
|
#if !defined(CONFIG_SC)
|
|
#define CFG_PROMPT "B2> "
|
|
#else
|
|
#define CFG_PROMPT "SC> "
|
|
#endif
|
|
|
|
|
|
/*
|
|
* Use the "hush" command parser
|
|
*/
|
|
#define CFG_HUSH_PARSER
|
|
#define CFG_PROMPT_HUSH_PS2 "> "
|
|
|
|
/*
|
|
* Set buffer size for console I/O
|
|
*/
|
|
#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
|
|
#define CFG_CBSIZE 1024
|
|
#else
|
|
#define CFG_CBSIZE 256
|
|
#endif
|
|
|
|
/*
|
|
* Print buffer size
|
|
*/
|
|
#define CFG_PBSIZE (CFG_CBSIZE + sizeof(CFG_PROMPT) + 16)
|
|
|
|
/*
|
|
* Maximum number of arguments that a command can accept
|
|
*/
|
|
#define CFG_MAXARGS 16
|
|
|
|
/*
|
|
* Boot argument buffer size
|
|
*/
|
|
#define CFG_BARGSIZE CFG_CBSIZE
|
|
|
|
/*
|
|
* Default memory test range
|
|
*/
|
|
#define CFG_MEMTEST_START 0x0100000
|
|
#define CFG_MEMTEST_END (CFG_MEMTEST_START + (128 * 1024))
|
|
|
|
/*
|
|
* Select the more full-featured memory test
|
|
*/
|
|
#define CFG_ALT_MEMTEST
|
|
|
|
/*
|
|
* Default load address
|
|
*/
|
|
#define CFG_LOAD_ADDR 0x01000000
|
|
|
|
/*
|
|
* Set decrementer frequency (1 ms ticks)
|
|
*/
|
|
#define CFG_HZ 1000
|
|
|
|
/*
|
|
* Device memory map (after SDRAM remap to 0x0):
|
|
*
|
|
* CS Device Base Addr Size
|
|
* ----------------------------------------------------
|
|
* CS0* Flash 0x40000000 64 M
|
|
* CS1* SDRAM 0x00000000 16 M
|
|
* CS2* Disk-On-Chip 0x50000000 32 K
|
|
* CS3* FPGA 0x60000000 64 M
|
|
* CS4* SelectMap 0x70000000 32 K
|
|
* CS5* Mil-Std 1553 I/F 0x80000000 32 K
|
|
* CS6* Unused
|
|
* CS7* Unused
|
|
* IMMR 860T Registers 0xfff00000
|
|
*/
|
|
|
|
/*
|
|
* Base addresses and block sizes
|
|
*/
|
|
#define CFG_IMMR 0xFF000000
|
|
|
|
#define SDRAM_BASE 0x00000000
|
|
#define SDRAM_SIZE (64 * 1024 * 1024)
|
|
|
|
#define FLASH_BASE 0x40000000
|
|
#define FLASH_SIZE (16 * 1024 * 1024)
|
|
|
|
#define DOC_BASE 0x50000000
|
|
#define DOC_SIZE (32 * 1024)
|
|
|
|
#define FPGA_BASE 0x60000000
|
|
#define FPGA_SIZE (64 * 1024 * 1024)
|
|
|
|
#define SELECTMAP_BASE 0x70000000
|
|
#define SELECTMAP_SIZE (32 * 1024)
|
|
|
|
#define M1553_BASE 0x80000000
|
|
#define M1553_SIZE (64 * 1024)
|
|
|
|
/*
|
|
* 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_INIT_DATA_SIZE 64 /* # bytes reserved for initial data*/
|
|
#define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_INIT_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_SDRAM_BASE SDRAM_BASE
|
|
|
|
/*
|
|
* FLASH organization
|
|
*/
|
|
#define CFG_FLASH_BASE FLASH_BASE
|
|
#define CFG_FLASH_SIZE FLASH_SIZE
|
|
#define CFG_FLASH_SECT_SIZE (128 * 1024)
|
|
#define CFG_MAX_FLASH_BANKS 1
|
|
#define CFG_MAX_FLASH_SECT 128
|
|
|
|
/*
|
|
* The timeout values are for an entire chip and are in milliseconds.
|
|
* Yes I know that the write timeout is huge. Accroding to the
|
|
* datasheet a single byte takes 630 uS (round to 1 ms) max at worst
|
|
* case VCC and temp after 100K programming cycles. It works out
|
|
* to 280 minutes (might as well be forever).
|
|
*/
|
|
#define CFG_FLASH_ERASE_TOUT (CFG_MAX_FLASH_SECT * 5000)
|
|
#define CFG_FLASH_WRITE_TOUT (CFG_MAX_FLASH_SECT * 128 * 1024 * 1)
|
|
|
|
/*
|
|
* Allow direct writes to FLASH from tftp transfers (** dangerous **)
|
|
*/
|
|
#define CFG_DIRECT_FLASH_TFTP
|
|
|
|
/*
|
|
* Reserve memory for U-Boot.
|
|
*/
|
|
#define CFG_MAX_UBOOT_SECTS 4
|
|
#define CFG_MONITOR_LEN (CFG_MAX_UBOOT_SECTS * CFG_FLASH_SECT_SIZE)
|
|
#define CFG_MONITOR_BASE CFG_FLASH_BASE
|
|
|
|
/*
|
|
* Select environment placement. NOTE that u-boot.lds must
|
|
* be edited if this is changed!
|
|
*/
|
|
#undef CFG_ENV_IS_IN_FLASH
|
|
#define CFG_ENV_IS_IN_EEPROM
|
|
|
|
#if defined(CFG_ENV_IS_IN_EEPROM)
|
|
#define CFG_ENV_SIZE (2 * 1024)
|
|
#define CFG_ENV_OFFSET (CFG_ENV_EEPROM_SIZE - (8 * 1024))
|
|
#else
|
|
#define CFG_ENV_SIZE 0x1000
|
|
#define CFG_ENV_SECT_SIZE CFG_FLASH_SECT_SIZE
|
|
|
|
/*
|
|
* This ultimately gets passed right into the linker script, so we have to
|
|
* use a number :(
|
|
*/
|
|
#define CFG_ENV_OFFSET 0x060000
|
|
#endif
|
|
|
|
/*
|
|
* Reserve memory for malloc()
|
|
*/
|
|
#define CFG_MALLOC_LEN (128 * 1024)
|
|
|
|
/*
|
|
* 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 * 1024 * 1024)
|
|
|
|
/*
|
|
* Cache Configuration
|
|
*/
|
|
#define CFG_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */
|
|
#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
|
|
#define CFG_CACHELINE_SHIFT 4 /* log base 2 of above value */
|
|
#endif
|
|
|
|
/*------------------------------------------------------------------------
|
|
* SYPCR - System Protection Control UM 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 UM 11-6
|
|
*-----------------------------------------------------------------------
|
|
* Set debug pin mux, enable SPKROUT and GPLB5*.
|
|
*/
|
|
#define CFG_SIUMCR ( SIUMCR_DBGC11 | \
|
|
SIUMCR_DBPC11 | \
|
|
SIUMCR_MLRC11 | \
|
|
SIUMCR_GB5E \
|
|
)
|
|
|
|
/*-----------------------------------------------------------------------
|
|
* TBSCR - Time Base Status and Control UM 11-26
|
|
*-----------------------------------------------------------------------
|
|
* Clear Reference Interrupt Status, Timebase freeze enabled
|
|
*/
|
|
#define CFG_TBSCR ( TBSCR_REFA | \
|
|
TBSCR_REFB | \
|
|
TBSCR_TBF \
|
|
)
|
|
|
|
/*-----------------------------------------------------------------------
|
|
* RTCSC - Real-Time Clock Status and Control Register UM 11-27
|
|
*-----------------------------------------------------------------------
|
|
*/
|
|
#define CFG_RTCSC ( RTCSC_SEC | \
|
|
RTCSC_ALR | \
|
|
RTCSC_RTF | \
|
|
RTCSC_RTE \
|
|
)
|
|
|
|
/*-----------------------------------------------------------------------
|
|
* PISCR - Periodic Interrupt Status and Control UM 11-31
|
|
*-----------------------------------------------------------------------
|
|
* Clear Periodic Interrupt Status, Interrupt Timer freezing enabled
|
|
*/
|
|
#define CFG_PISCR ( PISCR_PS | \
|
|
PISCR_PITF \
|
|
)
|
|
|
|
/*-----------------------------------------------------------------------
|
|
* PLPRCR - PLL, Low-Power, and Reset Control Register UM 15-30
|
|
*-----------------------------------------------------------------------
|
|
* Reset PLL lock status sticky bit, timer expired status bit and timer
|
|
* interrupt status bit. Set MF for 1:2:1 mode.
|
|
*/
|
|
#define CFG_PLPRCR ( ((0x1 << PLPRCR_MF_SHIFT) & PLPRCR_MF_MSK) | \
|
|
PLPRCR_SPLSS | \
|
|
PLPRCR_TEXPS | \
|
|
PLPRCR_TMIST \
|
|
)
|
|
|
|
/*-----------------------------------------------------------------------
|
|
* SCCR - System Clock and reset Control Register UM 15-27
|
|
*-----------------------------------------------------------------------
|
|
* Set clock output, timebase and RTC source and divider,
|
|
* power management and some other internal clocks
|
|
*/
|
|
#define SCCR_MASK SCCR_EBDF11
|
|
|
|
#if !defined(CONFIG_SC)
|
|
#define CFG_SCCR ( SCCR_TBS | /* timebase = GCLK/2 */ \
|
|
SCCR_COM00 | /* full strength CLKOUT */ \
|
|
SCCR_DFSYNC00 | /* SYNCLK / 1 (normal) */ \
|
|
SCCR_DFBRG00 | /* BRGCLK / 1 (normal) */ \
|
|
SCCR_DFNL000 | \
|
|
SCCR_DFNH000 \
|
|
)
|
|
#else
|
|
#define CFG_SCCR ( SCCR_TBS | /* timebase = GCLK/2 */ \
|
|
SCCR_COM00 | /* full strength CLKOUT */ \
|
|
SCCR_DFSYNC00 | /* SYNCLK / 1 (normal) */ \
|
|
SCCR_DFBRG00 | /* BRGCLK / 1 (normal) */ \
|
|
SCCR_DFNL000 | \
|
|
SCCR_DFNH000 | \
|
|
SCCR_RTDIV | \
|
|
SCCR_RTSEL \
|
|
)
|
|
#endif
|
|
|
|
/*-----------------------------------------------------------------------
|
|
* DER - Debug Enable Register UM 37-46
|
|
*-----------------------------------------------------------------------
|
|
* Mask all events that can cause entry into debug mode
|
|
*/
|
|
#define CFG_DER 0
|
|
|
|
/*
|
|
* Initialize Memory Controller:
|
|
*
|
|
* BR0 and OR0 (FLASH memory)
|
|
*/
|
|
#define FLASH_BASE0_PRELIM FLASH_BASE
|
|
|
|
/*
|
|
* Flash address mask
|
|
*/
|
|
#define CFG_PRELIM_OR_AM 0xfe000000
|
|
|
|
/*
|
|
* FLASH timing:
|
|
* 33 Mhz bus with ACS = 11, TRLX = 1, CSNT = 1, SCY = 3, EHTR = 1
|
|
*/
|
|
#define CFG_OR_TIMING_FLASH ( OR_CSNT_SAM | \
|
|
OR_ACS_DIV2 | \
|
|
OR_BI | \
|
|
OR_SCY_2_CLK | \
|
|
OR_TRLX | \
|
|
OR_EHTR \
|
|
)
|
|
|
|
#define CFG_OR0_PRELIM ( CFG_PRELIM_OR_AM | \
|
|
CFG_OR_TIMING_FLASH \
|
|
)
|
|
|
|
#define CFG_BR0_PRELIM ( (FLASH_BASE0_PRELIM & BR_BA_MSK) | \
|
|
BR_MS_GPCM | \
|
|
BR_PS_8 | \
|
|
BR_V \
|
|
)
|
|
|
|
/*
|
|
* SDRAM configuration
|
|
*/
|
|
#define CFG_OR1_AM 0xfc000000
|
|
#define CFG_OR1 ( (CFG_OR1_AM & OR_AM_MSK) | \
|
|
OR_CSNT_SAM \
|
|
)
|
|
|
|
#define CFG_BR1 ( (SDRAM_BASE & BR_BA_MSK) | \
|
|
BR_MS_UPMA | \
|
|
BR_PS_32 | \
|
|
BR_V \
|
|
)
|
|
|
|
/*
|
|
* Refresh rate 7.8 us (= 64 ms / 8K = 31.2 uS quad bursts) for one bank
|
|
* of 256 MBit SDRAM
|
|
*/
|
|
#define CFG_MPTPR_1BK_8K MPTPR_PTP_DIV16
|
|
|
|
/*
|
|
* Periodic timer for refresh @ 33 MHz system clock
|
|
*/
|
|
#define CFG_MAMR_PTA 64
|
|
|
|
/*
|
|
* MAMR settings for SDRAM
|
|
*/
|
|
#define CFG_MAMR_8COL ( (CFG_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 \
|
|
)
|
|
|
|
/*
|
|
* CS2* configuration for Disk On Chip:
|
|
* 33 MHz bus with TRLX=1, ACS=11, CSNT=1, EBDF=1, SCY=2, EHTR=1,
|
|
* no burst.
|
|
*/
|
|
#define CFG_OR2_PRELIM ( (0xffff0000 & OR_AM_MSK) | \
|
|
OR_CSNT_SAM | \
|
|
OR_ACS_DIV2 | \
|
|
OR_BI | \
|
|
OR_SCY_2_CLK | \
|
|
OR_TRLX | \
|
|
OR_EHTR \
|
|
)
|
|
|
|
#define CFG_BR2_PRELIM ( (DOC_BASE & BR_BA_MSK) | \
|
|
BR_PS_8 | \
|
|
BR_MS_GPCM | \
|
|
BR_V \
|
|
)
|
|
|
|
/*
|
|
* CS3* configuration for FPGA:
|
|
* 33 MHz bus with SCY=15, no burst.
|
|
* The FPGA uses TA and TEA to terminate bus cycles, but we
|
|
* clear SETA and set the cycle length to a large number so that
|
|
* the cycle will still complete even if there is a configuration
|
|
* error that prevents TA from asserting on FPGA accesss.
|
|
*/
|
|
#define CFG_OR3_PRELIM ( (0xfc000000 & OR_AM_MSK) | \
|
|
OR_SCY_15_CLK | \
|
|
OR_BI \
|
|
)
|
|
|
|
#define CFG_BR3_PRELIM ( (FPGA_BASE & BR_BA_MSK) | \
|
|
BR_PS_32 | \
|
|
BR_MS_GPCM | \
|
|
BR_V \
|
|
)
|
|
/*
|
|
* CS4* configuration for FPGA SelectMap configuration interface.
|
|
* 33 MHz bus, UPMB, no burst. Do not assert GPLB5 on falling edge
|
|
* of GCLK1_50
|
|
*/
|
|
#define CFG_OR4_PRELIM ( (0xffff0000 & OR_AM_MSK) | \
|
|
OR_G5LS | \
|
|
OR_BI \
|
|
)
|
|
|
|
#define CFG_BR4_PRELIM ( (SELECTMAP_BASE & BR_BA_MSK) | \
|
|
BR_PS_8 | \
|
|
BR_MS_UPMB | \
|
|
BR_V \
|
|
)
|
|
|
|
/*
|
|
* CS5* configuration for Mil-Std 1553 databus interface.
|
|
* 33 MHz bus, GPCM, no burst.
|
|
* The 1553 interface uses TA and TEA to terminate bus cycles,
|
|
* but we clear SETA and set the cycle length to a large number so that
|
|
* the cycle will still complete even if there is a configuration
|
|
* error that prevents TA from asserting on FPGA accesss.
|
|
*/
|
|
#define CFG_OR5_PRELIM ( (0xffff0000 & OR_AM_MSK) | \
|
|
OR_SCY_15_CLK | \
|
|
OR_EHTR | \
|
|
OR_TRLX | \
|
|
OR_CSNT_SAM | \
|
|
OR_BI \
|
|
)
|
|
|
|
#define CFG_BR5_PRELIM ( (M1553_BASE & BR_BA_MSK) | \
|
|
BR_PS_16 | \
|
|
BR_MS_GPCM | \
|
|
BR_V \
|
|
)
|
|
|
|
/*
|
|
* Boot Flags
|
|
*/
|
|
#define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */
|
|
#define BOOTFLAG_WARM 0x02 /* Software reboot */
|
|
|
|
/*
|
|
* Disk On Chip (millenium) configuration
|
|
*/
|
|
#if !defined(CONFIG_SC)
|
|
#define CFG_MAX_DOC_DEVICE 1
|
|
#undef CFG_DOC_SUPPORT_2000
|
|
#define CFG_DOC_SUPPORT_MILLENNIUM
|
|
#undef CFG_DOC_PASSIVE_PROBE
|
|
#endif
|
|
|
|
/*
|
|
* FEC interrupt assignment
|
|
*/
|
|
#define FEC_INTERRUPT SIU_LEVEL1
|
|
|
|
/*
|
|
* Sanity checks
|
|
*/
|
|
#if defined(CONFIG_SCC1_ENET) && defined(CONFIG_FEC_ENET)
|
|
#error Both CONFIG_SCC1_ENET and CONFIG_FEC_ENET configured
|
|
#endif
|
|
|
|
#endif /* __CONFIG_GEN860T_H */
|
|
|
|
/* vim: set ts=4 tw=78 ai shiftwidth=4: */
|