mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-11 07:34:31 +00:00
219f4788d3
Exactly one board has defined CONFIG_SYS_PROMPT_HUSH_PS2 to a value different than "> " which is vision2. I have Cc'd the maintainer here as I strongly suspect this is a bug rather than intentional behavior. Cc: Stefano Babic <sbabic@denx.de> Signed-off-by: Tom Rini <trini@ti.com> Acked-by: Stefano Babic <sbabic@denx.de>
570 lines
20 KiB
C
570 lines
20 KiB
C
/*
|
|
* (C) Copyright 2003
|
|
* MuLogic B.V.
|
|
*
|
|
* (C) Copyright 2002
|
|
* Simple Network Magic Corporation
|
|
*
|
|
* (C) Copyright 2000
|
|
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
|
|
*
|
|
* 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.h - configuration options, board specific
|
|
*/
|
|
|
|
#ifndef __CONFIG_H
|
|
#define __CONFIG_H
|
|
|
|
/* various debug settings */
|
|
#undef CONFIG_SYS_DEVICE_NULLDEV /* null device */
|
|
#undef CONFIG_SILENT_CONSOLE /* silent console */
|
|
#undef CONFIG_SYS_CONSOLE_INFO_QUIET /* silent console ? */
|
|
#undef DEBUG_FLASH /* debug flash code */
|
|
#undef FLASH_DEBUG /* debug fash code */
|
|
#undef DEBUG_ENV /* debug environment code */
|
|
|
|
#define CONFIG_SYS_DIRECT_FLASH_TFTP 1 /* allow direct tftp to flash */
|
|
#define CONFIG_ENV_OVERWRITE 1 /* allow overwrite MAC address */
|
|
|
|
/*
|
|
* High Level Configuration Options
|
|
* (easy to change)
|
|
*/
|
|
#define CONFIG_MPC850 1 /* This is a MPC850 CPU */
|
|
#define CONFIG_QS850 1 /* ...on a QS850 module */
|
|
#define CONFIG_SCC2_ENET 1 /* SCC2 10BaseT ethernet */
|
|
|
|
#define CONFIG_SYS_TEXT_BASE 0xFFF00000
|
|
|
|
/* Select the target clock speed */
|
|
#undef CONFIG_CLOCK_16MHZ /* cpu=16,777,216 Hz, mem=16Mhz */
|
|
#undef CONFIG_CLOCK_33MHZ /* cpu=33,554,432 Hz, mem=33Mhz */
|
|
#undef CONFIG_CLOCK_50MHZ /* cpu=49,971,200 Hz, mem=33Mhz */
|
|
#define CONFIG_CLOCK_66MHZ 1 /* cpu=67,108,864 Hz, mem=66Mhz */
|
|
#undef CONFIG_CLOCK_80MHZ /* cpu=79,986,688 Hz, mem=33Mhz */
|
|
|
|
#ifdef CONFIG_CLOCK_16MHZ
|
|
#define CONFIG_CLOCK_MULT 512
|
|
#endif
|
|
|
|
#ifdef CONFIG_CLOCK_33MHZ
|
|
#define CONFIG_CLOCK_MULT 1024
|
|
#endif
|
|
|
|
#ifdef CONFIG_CLOCK_50MHZ
|
|
#define CONFIG_CLOCK_MULT 1525
|
|
#endif
|
|
|
|
#ifdef CONFIG_CLOCK_66MHZ
|
|
#define CONFIG_CLOCK_MULT 2048
|
|
#endif
|
|
|
|
#ifdef CONFIG_CLOCK_80MHZ
|
|
#define CONFIG_CLOCK_MULT 2441
|
|
#endif
|
|
|
|
/* choose flash size, 4Mb or 8Mb */
|
|
#define CONFIG_FLASH_4MB 1 /* board has 4Mb flash */
|
|
#undef CONFIG_FLASH_8MB /* board has 8Mb flash */
|
|
|
|
#define CONFIG_CLOCK_BASE 32768 /* Base clock input freq */
|
|
|
|
#define CONFIG_8xx_CONS_SMC1 1 /* Console is on SMC1 */
|
|
#undef CONFIG_8xx_CONS_SMC2
|
|
#undef CONFIG_8xx_CONS_NONE
|
|
|
|
#define CONFIG_BAUDRATE 38400 /* console baudrate = 38.4kbps */
|
|
|
|
#undef CONFIG_CLOCKS_IN_MHZ /* clocks passsed to Linux in MHz */
|
|
|
|
/* Define default IP addresses */
|
|
#define CONFIG_IPADDR 192.168.1.99 /* own ip address */
|
|
#define CONFIG_SERVERIP 192.168.1.19 /* used for tftp (not nfs?) */
|
|
|
|
/* message to say directly after booting */
|
|
#define CONFIG_PREBOOT "echo '';" \
|
|
"echo 'type:';" \
|
|
"echo 'run boot_nfs to boot to NFS';" \
|
|
"echo 'run boot_flash to boot to flash';" \
|
|
"echo '';" \
|
|
"echo 'run flash_rootfs to install a new rootfs';" \
|
|
"echo 'run flash_env to clear the env sector';" \
|
|
"echo 'run flash_rw to clear the rw fs';" \
|
|
"echo 'run flash_uboot to install a new u-boot';" \
|
|
"echo 'run flash_kernel to install a new kernel';"
|
|
|
|
/* wait 5 seconds before executing CONFIG_BOOTCOMMAND */
|
|
#define CONFIG_BOOTDELAY 5
|
|
#define CONFIG_BOOTCOMMAND "run boot_nfs"
|
|
|
|
#undef CONFIG_BOOTARGS /* made by set_nfs of set_flash */
|
|
|
|
/* Our flash filesystem looks like this
|
|
*
|
|
* 4Mb board:
|
|
* ffc0 0000 - ffeb ffff root filesystem (jffs2) (~3Mb)
|
|
* ffec 0000 - ffed ffff read-write filesystem (ext2)
|
|
* ffee 0000 - ffef ffff environment
|
|
* fff0 0000 - fff1 ffff u-boot
|
|
* fff2 0000 - ffff ffff linux kernel
|
|
*
|
|
* 8Mb board:
|
|
* ff80 0000 - ffeb ffff root filesystem (jffs2) (~7Mb)
|
|
* ffec 0000 - ffed ffff read-write filesystem (ext2)
|
|
* ffee 0000 - ffef ffff environment
|
|
* fff0 0000 - fff1 ffff u-boot
|
|
* fff2 0000 - ffff ffff linux kernel
|
|
*
|
|
*/
|
|
|
|
/* environment for 4Mb board */
|
|
#ifdef CONFIG_FLASH_4MB
|
|
#define CONFIG_EXTRA_ENV_SETTINGS \
|
|
"serial#=QS850\0" \
|
|
"hostname=qs850\0" \
|
|
"netdev=eth0\0" \
|
|
"ethaddr=00:01:02:B4:36:56\0" \
|
|
"rootpath=/exports/rootfs\0" \
|
|
"mtdparts=mtdparts=phys:2816k(root),128k(rw),128k(env),128k(u-boot),-(kernel)\0" \
|
|
/* fill in variables */ \
|
|
"set_ip=setenv ip ip=$ipaddr:$serverip:$gatewayip:$netmask:$hostname:$netdev:off\0" \
|
|
"set_nfs=setenv bootargs root=/dev/nfs rw nfsroot=$serverip:$rootpath $ip init=/sbin/init $mtdparts\0" \
|
|
"set_flash=setenv bootargs root=/dev/mtdblock1 ro $ip init=/sbin/init $mtdparts\0" \
|
|
/* commands */ \
|
|
"boot_nfs=run set_ip; run set_nfs; tftp 0x400000 /tftpboot/vmlinux.UBoot; bootm 0x400000\0" \
|
|
"boot_flash=run set_ip; run set_flash; bootm fff20000\0" \
|
|
/* reinstall flash parts */ \
|
|
"flash_rootfs=protect off ffc00000 ffebffff; era ffc00000 ffebffff; tftp ffc00000 /tftpboot/rootfs.jffs2\0" \
|
|
"flash_rw=protect off ffec0000 ffedffff; era ffec0000 ffedffff\0" \
|
|
"flash_env=protect off ffee0000 ffefffff; era ffee0000 ffefffff\0" \
|
|
"flash_uboot=protect off fff00000 fff1ffff; era fff00000 fff1ffff; tftp fff00000 /tftpboot/u-boot.4mb.bin\0" \
|
|
"flash_kernel=protect off fff20000 ffffffff; era fff20000 ffffffff; tftp fff20000 /tftpboot/vmlinux.UBoot\0"
|
|
#endif /* CONFIG_FLASH_4MB */
|
|
|
|
/* environment for 8Mb board */
|
|
#ifdef CONFIG_FLASH_8MB
|
|
#define CONFIG_EXTRA_ENV_SETTINGS \
|
|
"serial#=QS850\0" \
|
|
"hostname=qs850\0" \
|
|
"netdev=eth0\0" \
|
|
"ethaddr=00:01:02:B4:36:56\0" \
|
|
"rootpath=/exports/rootfs\0" \
|
|
"mtdparts=mtdparts=phys:6912k(root),128k(rw),128k(env),128k(u-boot),-(kernel)\0" \
|
|
/* fill in variables */ \
|
|
"set_ip=setenv ip ip=$ipaddr:$serverip:$gatewayip:$netmask:$hostname:$netdev:off\0" \
|
|
"set_nfs=setenv bootargs root=/dev/nfs rw nfsroot=$serverip:$rootpath $ip init=/sbin/init $mtdparts\0" \
|
|
"set_flash=setenv bootargs root=/dev/mtdblock1 ro $ip init=/sbin/init $mtdparts\0" \
|
|
/* commands */ \
|
|
"boot_nfs=run set_ip; run set_nfs; tftp 0x400000 /tftpboot/vmlinux.UBoot; bootm 0x400000\0" \
|
|
"boot_flash=run set_ip; run set_flash; bootm fff20000\0" \
|
|
/* reinstall flash parts */ \
|
|
"flash_rootfs=protect off ff800000 ffebffff; era ff800000 ffebffff; tftp ff800000 /tftpboot/rootfs.jffs2\0" \
|
|
"flash_rw=protect off ffec0000 ffedffff; era ffec0000 ffedffff\0" \
|
|
"flash_env=protect off ffee0000 ffefffff; era ffee0000 ffefffff\0" \
|
|
"flash_uboot=protect off fff00000 fff1ffff; era fff00000 fff1ffff; tftp fff00000 /tftpboot/u-boot.8mb.bin\0" \
|
|
"flash_kernel=protect off fff20000 ffffffff; era fff20000 ffffffff; tftp fff20000 /tftpboot/vmlinux.UBoot\0"
|
|
#endif /* CONFIG_FLASH_8MB */
|
|
|
|
#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_STATUS_LED /* Status LED disabled */
|
|
#undef CONFIG_CAN_DRIVER /* CAN Driver support disabled */
|
|
|
|
/*
|
|
* BOOTP options
|
|
*/
|
|
#define CONFIG_BOOTP_SUBNETMASK
|
|
#define CONFIG_BOOTP_GATEWAY
|
|
#define CONFIG_BOOTP_HOSTNAME
|
|
#define CONFIG_BOOTP_BOOTPATH
|
|
#define CONFIG_BOOTP_BOOTFILESIZE
|
|
|
|
#undef CONFIG_MAC_PARTITION
|
|
#undef CONFIG_DOS_PARTITION
|
|
|
|
#define CONFIG_RTC_MPC8xx /* use internal RTC of MPC8xx */
|
|
|
|
|
|
/*
|
|
* Command line configuration.
|
|
*/
|
|
|
|
#define CONFIG_CMD_BDI
|
|
#define CONFIG_CMD_BOOTD
|
|
#define CONFIG_CMD_CONSOLE
|
|
#define CONFIG_CMD_DATE
|
|
#define CONFIG_CMD_SAVEENV
|
|
#define CONFIG_CMD_FLASH
|
|
#define CONFIG_CMD_IMI
|
|
#define CONFIG_CMD_IMMAP
|
|
#define CONFIG_CMD_MEMORY
|
|
#define CONFIG_CMD_NET
|
|
#define CONFIG_CMD_RUN
|
|
|
|
|
|
/*-----------------------------------------------------------------------
|
|
* Environment variable storage is in FLASH, one sector before U-boot
|
|
*/
|
|
#define CONFIG_ENV_IS_IN_FLASH 1
|
|
#define CONFIG_ENV_SECT_SIZE 0x20000 /* 128Kb, one whole sector */
|
|
#define CONFIG_ENV_SIZE 0x2000 /* 8kb */
|
|
#define CONFIG_ENV_ADDR 0xffee0000 /* address of env sector */
|
|
|
|
/*-----------------------------------------------------------------------
|
|
* Miscellaneous configurable options
|
|
*/
|
|
#define CONFIG_SYS_LONGHELP /* undef to save memory */
|
|
#define CONFIG_SYS_PROMPT "=> " /* Monitor Command Prompt */
|
|
|
|
#define CONFIG_SYS_HUSH_PARSER 1 /* use "hush" command parser */
|
|
|
|
#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 0x0400000 /* memtest works */
|
|
#define CONFIG_SYS_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */
|
|
|
|
#define CONFIG_SYS_LOAD_ADDR 0x400000 /* default load address */
|
|
|
|
#define CONFIG_SYS_HZ 1000 /* decrementer freq: 1 ms ticks */
|
|
|
|
/*-----------------------------------------------------------------------
|
|
* 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 0xFF000000
|
|
|
|
/*-----------------------------------------------------------------------
|
|
* 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 0xFF800000 /* Allow an 8Mbyte window */
|
|
|
|
#define FLASH_BASE0_4M_PRELIM 0xFFC00000 /* Base for 4M Flash */
|
|
#define FLASH_BASE0_8M_PRELIM 0xFF800000 /* Base for 8M Flash */
|
|
|
|
#define CONFIG_SYS_MONITOR_LEN (192 << 10) /* Reserve 192 kB for Monitor */
|
|
#define CONFIG_SYS_MONITOR_BASE 0xFFF00000 /* U-boot location */
|
|
#define CONFIG_SYS_MALLOC_LEN (128 << 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 */
|
|
|
|
/*-----------------------------------------------------------------------
|
|
* TODO flash parameters
|
|
* FLASH organization for Intel Strataflash
|
|
*/
|
|
#undef CONFIG_SYS_FLASH_16BIT /* 32-bit wide flash memory */
|
|
#define CONFIG_SYS_MAX_FLASH_BANKS 1 /* max number of memory banks */
|
|
#define CONFIG_SYS_MAX_FLASH_SECT 71 /* 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) */
|
|
|
|
/*-----------------------------------------------------------------------
|
|
* 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
|
|
*/
|
|
|
|
#ifdef 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_SWRI | SYPCR_SWP)
|
|
#endif
|
|
|
|
/*-----------------------------------------------------------------------
|
|
* SIUMCR - SIU Module Configuration 11-6
|
|
*-----------------------------------------------------------------------
|
|
*/
|
|
#define CONFIG_SYS_SIUMCR (SIUMCR_DLK | SIUMCR_DPC | SIUMCR_MPRE | SIUMCR_MLRC01 | SIUMCR_GB5E)
|
|
|
|
/*-----------------------------------------------------------------------
|
|
* TBSCR - Time Base Status and Control 11-26
|
|
*-----------------------------------------------------------------------
|
|
*/
|
|
#define CONFIG_SYS_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBF)
|
|
|
|
/*-----------------------------------------------------------------------
|
|
* RTCSC - Real-Time Clock Status and Control Register 11-27
|
|
*-----------------------------------------------------------------------
|
|
*/
|
|
#define CONFIG_SYS_RTCSC (RTCSC_SEC | RTCSC_ALR | RTCSC_RTF| RTCSC_RTE)
|
|
|
|
/*-----------------------------------------------------------------------
|
|
* PISCR - Periodic Interrupt Status and Control 11-31
|
|
*-----------------------------------------------------------------------
|
|
*/
|
|
#define CONFIG_SYS_PISCR (PISCR_PS | PISCR_PITF)
|
|
|
|
/*-----------------------------------------------------------------------
|
|
* PLPRCR - PLL, Low-Power, and Reset Control Register 15-30
|
|
*-----------------------------------------------------------------------
|
|
*/
|
|
|
|
/* MF (Multiplication Factor of SPLL) */
|
|
/* Sets the QS850 to specified clock from 32KHz clock at EXTAL. */
|
|
#define vPLPRCR_MF ((CONFIG_CLOCK_MULT+1) << 20)
|
|
#define CONFIG_SYS_PLPRCR (vPLPRCR_MF | PLPRCR_SPLSS | PLPRCR_TEXPS | PLPRCR_TMIST | PLPRCR_LOLRE)
|
|
|
|
/*-----------------------------------------------------------------------
|
|
* SCCR - System Clock and reset Control Register 15-27
|
|
*-----------------------------------------------------------------------
|
|
*/
|
|
#if defined(CONFIG_CLOCK_16MHZ) || defined(CONFIG_CLOCK_33MHZ) || defined(CONFIG_CLOCK_50MHZ)
|
|
#define CONFIG_SYS_SCCR (SCCR_TBS | SCCR_EBDF00 | SCCR_DFBRG00)
|
|
#define CONFIG_SYS_BRGCLK_PRESCALE 1
|
|
#endif
|
|
|
|
#if defined(CONFIG_CLOCK_66MHZ)
|
|
#define CONFIG_SYS_SCCR (SCCR_TBS | SCCR_EBDF00 | SCCR_DFBRG01)
|
|
#define CONFIG_SYS_BRGCLK_PRESCALE 4
|
|
#endif
|
|
|
|
#if defined(CONFIG_CLOCK_80MHZ)
|
|
#define CONFIG_SYS_SCCR (SCCR_TBS | SCCR_EBDF01 | SCCR_DFBRG01)
|
|
#define CONFIG_SYS_BRGCLK_PRESCALE 4
|
|
#endif
|
|
|
|
#define SCCR_MASK CONFIG_SYS_SCCR
|
|
|
|
/*-----------------------------------------------------------------------
|
|
* Debug Enable Register
|
|
* 0x73E67C0F - All interrupts handled by BDM
|
|
* 0x00824001 - Only interrupts needed by MWDebug.exe handled by BDM
|
|
*-----------------------------------------------------------------------
|
|
#define CONFIG_SYS_DER 0x73E67C0F
|
|
#define CONFIG_SYS_DER 0x0082400F
|
|
|
|
#-------------------------------------------------------------------------
|
|
# Program the Debug Enable Register (DER). This register provides the user
|
|
# with the reason for entering into the debug mode. We want all conditions
|
|
# to end up as an exception. We don't want to enter into debug mode for
|
|
# any condition. See the back of of the Development Support section of the
|
|
# MPC860 User Manual for a description of this register.
|
|
#-------------------------------------------------------------------------
|
|
*/
|
|
#define CONFIG_SYS_DER 0
|
|
|
|
/*-----------------------------------------------------------------------
|
|
* Memory Controller Initialization Constants
|
|
*-----------------------------------------------------------------------
|
|
*/
|
|
|
|
/*
|
|
* BR0 and OR0 (AMD dual FLASH devices)
|
|
* Base address = 0xFFF0_0000 - 0xFFF7_FFFF (After relocation)
|
|
*/
|
|
#define CONFIG_SYS_PRELIM_OR_AM
|
|
#define CONFIG_SYS_OR_TIMING_FLASH
|
|
|
|
/*
|
|
*-----------------------------------------------------------------------
|
|
* Base Register 0 (BR0): Bank 0 is assigned to the 8Mbyte (2M X 32)
|
|
* flash that resides on the QS850.
|
|
*-----------------------------------------------------------------------
|
|
*/
|
|
|
|
/* BA (Base Address) = 0xFF80+0b for a total of 17 bits. 17 bit base addr */
|
|
/* represents a minumum 32K block size. */
|
|
#define vBR0_BA ((0xFF80 << 16) + (0 << 15))
|
|
#define CONFIG_SYS_BR0_PRELIM (vBR0_BA | BR_V)
|
|
|
|
/* AM (Address Mask) = 0xFF80+0b = We've masked the upper 9 bits */
|
|
/* which defines a 8 Mbyte memory block. */
|
|
#define vOR0_AM ((0xFF80 << 16) + (0 << 15))
|
|
|
|
#if defined(CONFIG_CLOCK_50MHZ) || defined(CONFIG_CLOCK_80MHZ)
|
|
/* 0101 = Add a 5 clock cycle wait state */
|
|
#define CONFIG_SYS_OR0_PRELIM (vOR0_AM | OR_CSNT_SAM | 0R_ACS_DIV4 | OR_BI | OR_SCY_5_CLK)
|
|
#endif
|
|
|
|
#if defined(CONFIG_CLOCK_33MHZ) || defined(CONFIG_CLOCK_66MHZ)
|
|
/* 0011 = Add a 3 clock cycle wait state */
|
|
/* 29.8ns clock * (3 + 2) = 149ns cycle time */
|
|
#define CONFIG_SYS_OR0_PRELIM (vOR0_AM | OR_CSNT_SAM | OR_ACS_DIV4 | OR_BI | OR_SCY_3_CLK)
|
|
#endif
|
|
|
|
#if defined(CONFIG_CLOCK_16MHZ)
|
|
/* 0010 = Add a 2 clock cycle wait state */
|
|
#define CONFIG_SYS_OR0_PRELIM (vOR0_AM | OR_CSNT_SAM | OR_ACS_DIV4 | OR_BI | OR_SCY_2_CLK)
|
|
#endif
|
|
|
|
/*
|
|
* BR1 and OR1 (SDRAM)
|
|
* Base Address = 0x00000000 - 0x00FF_FFFF (16M After relocation)
|
|
* Base Address = 0x00000000 - 0x01FF_FFFF (32M After relocation)
|
|
* Base Address = 0x00000000 - 0x03FF_FFFF (64M After relocation)
|
|
* Base Address = 0x00000000 - 0x07FF_FFFF (128M After relocation)
|
|
*/
|
|
|
|
#define SDRAM_BASE 0x00000000 /* SDRAM bank */
|
|
#define SDRAM_PRELIM_OR_AM 0xF8000000 /* map max. 128 MB */
|
|
|
|
/* AM (Address Mask) = 0xF800+0b = We've masked the upper 5 bits which
|
|
* represents a 128 Mbyte block the DRAM in
|
|
* this address base.
|
|
*/
|
|
#define vOR1_AM ((0xF800 << 16) + (0 << 15))
|
|
#define vBR1_BA ((0x0000 << 16) + (0 << 15))
|
|
#define CONFIG_SYS_OR1 (vOR1_AM | OR_CSNT_SAM | OR_BI)
|
|
#define CONFIG_SYS_BR1 (vBR1_BA | BR_MS_UPMA | BR_V)
|
|
|
|
/* Machine A Mode Register */
|
|
|
|
/* PTA Periodic Timer A */
|
|
|
|
#if defined(CONFIG_CLOCK_80MHZ)
|
|
#define vMAMR_PTA (19 << 24)
|
|
#endif
|
|
|
|
#if defined(CONFIG_CLOCK_66MHZ)
|
|
#define vMAMR_PTA (16 << 24)
|
|
#endif
|
|
|
|
#if defined(CONFIG_CLOCK_50MHZ)
|
|
#define vMAMR_PTA (195 << 24)
|
|
#endif
|
|
|
|
#if defined(CONFIG_CLOCK_33MHZ)
|
|
#define vMAMR_PTA (131 << 24)
|
|
#endif
|
|
|
|
#if defined(CONFIG_CLOCK_16MHZ)
|
|
#define vMAMR_PTA (65 << 24)
|
|
#endif
|
|
|
|
/* For boards with 16M of SDRAM */
|
|
#define SDRAM_16M_MAX_SIZE 0x01000000 /* max 16MB SDRAM */
|
|
#define CONFIG_SYS_16M_MAMR (vMAMR_PTA | MAMR_AMA_TYPE_0 | MAMR_DSA_2_CYCL | MAMR_G0CLA_A11 |\
|
|
MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
|
|
|
|
/* For boards with 32M of SDRAM */
|
|
#define SDRAM_32M_MAX_SIZE 0x02000000 /* max 32MB SDRAM */
|
|
#define CONFIG_SYS_32M_MAMR (vMAMR_PTA | MAMR_AMA_TYPE_1 | MAMR_DSA_2_CYCL | MAMR_G0CLA_A10 |\
|
|
MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
|
|
|
|
|
|
/* Memory Periodic Timer Prescaler Register */
|
|
|
|
#if defined(CONFIG_CLOCK_66MHZ) || defined(CONFIG_CLOCK_80MHZ)
|
|
/* Divide by 32 */
|
|
#define CONFIG_SYS_MPTPR 0x02
|
|
#endif
|
|
|
|
#if defined(CONFIG_CLOCK_16MHZ) || defined(CONFIG_CLOCK_33MHZ) || defined(CONFIG_CLOCK_50MHZ)
|
|
/* Divide by 16 */
|
|
#define CONFIG_SYS_MPTPR 0x04
|
|
#endif
|
|
|
|
/*
|
|
* BR2 and OR2 (Unused)
|
|
* Base address = 0xF020_0000 - 0xF020_0FFF
|
|
*
|
|
*/
|
|
#define CONFIG_SYS_OR2_PRELIM 0xFFF00000
|
|
#define CONFIG_SYS_BR2_PRELIM 0xF0200000
|
|
|
|
/*
|
|
* BR3 and OR3 (External Bus CS3)
|
|
* Base address = 0xF030_0000 - 0xF030_0FFF
|
|
*
|
|
*/
|
|
#define CONFIG_SYS_OR3_PRELIM 0xFFF00000
|
|
#define CONFIG_SYS_BR3_PRELIM 0xF0300000
|
|
|
|
/*
|
|
* BR4 and OR4 (External Bus CS3)
|
|
* Base address = 0xF040_0000 - 0xF040_0FFF
|
|
*
|
|
*/
|
|
#define CONFIG_SYS_OR4_PRELIM 0xFFF00000
|
|
#define CONFIG_SYS_BR4_PRELIM 0xF0400000
|
|
|
|
|
|
/*
|
|
* BR4 and OR4 (External Bus CS3)
|
|
* Base address = 0xF050_0000 - 0xF050_0FFF
|
|
*
|
|
*/
|
|
#define CONFIG_SYS_OR5_PRELIM 0xFFF00000
|
|
#define CONFIG_SYS_BR5_PRELIM 0xF0500000
|
|
|
|
/*
|
|
* BR6 and OR6 (Unused)
|
|
* Base address = 0xF060_0000 - 0xF060_0FFF
|
|
*
|
|
*/
|
|
#define CONFIG_SYS_OR6_PRELIM 0xFFF00000
|
|
#define CONFIG_SYS_BR6_PRELIM 0xF0600000
|
|
|
|
/*
|
|
* BR7 and OR7 (Unused)
|
|
* Base address = 0xF070_0000 - 0xF070_0FFF
|
|
*
|
|
*/
|
|
#define CONFIG_SYS_OR7_PRELIM 0xFFF00000
|
|
#define CONFIG_SYS_BR7_PRELIM 0xF0700000
|
|
|
|
/*
|
|
* Sanity checks
|
|
*/
|
|
#if defined(CONFIG_SCC1_ENET) && defined(CONFIG_FEC_ENET)
|
|
#error Both CONFIG_SCC1_ENET and CONFIG_FEC_ENET configured
|
|
#endif
|
|
|
|
#endif /* __CONFIG_H */
|