diff options
66 files changed, 4503 insertions, 1019 deletions
diff --git a/Documentation/blackfin/kgdb.txt b/Documentation/blackfin/kgdb.txt deleted file mode 100644 index 84f6a484ae9..00000000000 --- a/Documentation/blackfin/kgdb.txt +++ /dev/null @@ -1,155 +0,0 @@ - A Simple Guide to Configure KGDB - - Sonic Zhang <sonic.zhang@analog.com> - Aug. 24th 2006 - - -This KGDB patch enables the kernel developer to do source level debugging on -the kernel for the Blackfin architecture. The debugging works over either the -ethernet interface or one of the uarts. Both software breakpoints and -hardware breakpoints are supported in this version. -http://docs.blackfin.uclinux.org/doku.php?id=kgdb - - -2 known issues: -1. This bug: - http://blackfin.uclinux.org/tracker/index.php?func=detail&aid=544&group_id=18&atid=145 - The GDB client for Blackfin uClinux causes incorrect values of local - variables to be displayed when the user breaks the running of kernel in GDB. -2. Because of a hardware bug in Blackfin 533 v1.0.3: - 05000067 - Watchpoints (Hardware Breakpoints) are not supported - Hardware breakpoints cannot be set properly. - - -Debug over Ethernet: - -1. Compile and install the cross platform version of gdb for blackfin, which - can be found at $(BINROOT)/bfin-elf-gdb. - -2. Apply this patch to the 2.6.x kernel. Select the menuconfig option under - "Kernel hacking" -> "Kernel debugging" -> "KGDB: kernel debug with remote gdb". - With this selected, option "Full Symbolic/Source Debugging support" and - "Compile the kernel with frame pointers" are also selected. - -3. Select option "KGDB: connect over (Ethernet)". Add "kgdboe=@target-IP/,@host-IP/" to - the option "Compiled-in Kernel Boot Parameter" under "Kernel hacking". - -4. Connect minicom to the serial port and boot the kernel image. - -5. Configure the IP "/> ifconfig eth0 target-IP" - -6. Start GDB client "bfin-elf-gdb vmlinux". - -7. Connect to the target "(gdb) target remote udp:target-IP:6443". - -8. Set software breakpoint "(gdb) break sys_open". - -9. Continue "(gdb) c". - -10. Run ls in the target console "/> ls". - -11. Breakpoint hits. "Breakpoint 1: sys_open(..." - -12. Display local variables and function paramters. - (*) This operation gives wrong results, see known issue 1. - -13. Single stepping "(gdb) si". - -14. Remove breakpoint 1. "(gdb) del 1" - -15. Set hardware breakpoint "(gdb) hbreak sys_open". - -16. Continue "(gdb) c". - -17. Run ls in the target console "/> ls". - -18. Hardware breakpoint hits. "Breakpoint 1: sys_open(...". - (*) This hardware breakpoint will not be hit, see known issue 2. - -19. Continue "(gdb) c". - -20. Interrupt the target in GDB "Ctrl+C". - -21. Detach from the target "(gdb) detach". - -22. Exit GDB "(gdb) quit". - - -Debug over the UART: - -1. Compile and install the cross platform version of gdb for blackfin, which - can be found at $(BINROOT)/bfin-elf-gdb. - -2. Apply this patch to the 2.6.x kernel. Select the menuconfig option under - "Kernel hacking" -> "Kernel debugging" -> "KGDB: kernel debug with remote gdb". - With this selected, option "Full Symbolic/Source Debugging support" and - "Compile the kernel with frame pointers" are also selected. - -3. Select option "KGDB: connect over (UART)". Set "KGDB: UART port number" to be - a different one from the console. Don't forget to change the mode of - blackfin serial driver to PIO. Otherwise kgdb works incorrectly on UART. - -4. If you want connect to kgdb when the kernel boots, enable - "KGDB: Wait for gdb connection early" - -5. Compile kernel. - -6. Connect minicom to the serial port of the console and boot the kernel image. - -7. Start GDB client "bfin-elf-gdb vmlinux". - -8. Set the baud rate in GDB "(gdb) set remotebaud 57600". - -9. Connect to the target on the second serial port "(gdb) target remote /dev/ttyS1". - -10. Set software breakpoint "(gdb) break sys_open". - -11. Continue "(gdb) c". - -12. Run ls in the target console "/> ls". - -13. A breakpoint is hit. "Breakpoint 1: sys_open(..." - -14. All other operations are the same as that in KGDB over Ethernet. - - -Debug over the same UART as console: - -1. Compile and install the cross platform version of gdb for blackfin, which - can be found at $(BINROOT)/bfin-elf-gdb. - -2. Apply this patch to the 2.6.x kernel. Select the menuconfig option under - "Kernel hacking" -> "Kernel debugging" -> "KGDB: kernel debug with remote gdb". - With this selected, option "Full Symbolic/Source Debugging support" and - "Compile the kernel with frame pointers" are also selected. - -3. Select option "KGDB: connect over UART". Set "KGDB: UART port number" to console. - Don't forget to change the mode of blackfin serial driver to PIO. - Otherwise kgdb works incorrectly on UART. - -4. If you want connect to kgdb when the kernel boots, enable - "KGDB: Wait for gdb connection early" - -5. Connect minicom to the serial port and boot the kernel image. - -6. (Optional) Ask target to wait for gdb connection by entering Ctrl+A. In minicom, you should enter Ctrl+A+A. - -7. Start GDB client "bfin-elf-gdb vmlinux". - -8. Set the baud rate in GDB "(gdb) set remotebaud 57600". - -9. Connect to the target "(gdb) target remote /dev/ttyS0". - -10. Set software breakpoint "(gdb) break sys_open". - -11. Continue "(gdb) c". Then enter Ctrl+C twice to stop GDB connection. - -12. Run ls in the target console "/> ls". Dummy string can be seen on the console. - -13. Then connect the gdb to target again. "(gdb) target remote /dev/ttyS0". - Now you will find a breakpoint is hit. "Breakpoint 1: sys_open(..." - -14. All other operations are the same as that in KGDB over Ethernet. The only - difference is that after continue command in GDB, please stop GDB - connection by 2 "Ctrl+C"s and connect again after breakpoints are hit or - Ctrl+A is entered. diff --git a/arch/blackfin/Kconfig b/arch/blackfin/Kconfig index 4154ff1101f..8102c79aaa9 100644 --- a/arch/blackfin/Kconfig +++ b/arch/blackfin/Kconfig @@ -162,16 +162,28 @@ config BF549 config BF561 bool "BF561" help - Not Supported Yet - Work in progress - BF561 Processor Support. + BF561 Processor Support. endchoice +config BF_REV_MIN + int + default 0 if (BF52x || BF54x) + default 2 if (BF537 || BF536 || BF534) + default 3 if (BF561 ||BF533 || BF532 || BF531) + +config BF_REV_MAX + int + default 2 if (BF52x || BF54x) + default 3 if (BF537 || BF536 || BF534) + default 5 if (BF561) + default 6 if (BF533 || BF532 || BF531) + choice prompt "Silicon Rev" - default BF_REV_0_1 if BF527 - default BF_REV_0_2 if BF537 - default BF_REV_0_3 if BF533 - default BF_REV_0_0 if BF549 + default BF_REV_0_1 if (BF52x || BF54x) + default BF_REV_0_2 if (BF534 || BF536 || BF537) + default BF_REV_0_3 if (BF531 || BF532 || BF533 || BF561) config BF_REV_0_0 bool "0.0" @@ -183,7 +195,7 @@ config BF_REV_0_1 config BF_REV_0_2 bool "0.2" - depends on (BF537 || BF536 || BF534) + depends on (BF52x || BF537 || BF536 || BF534 || BF54x) config BF_REV_0_3 bool "0.3" @@ -197,6 +209,10 @@ config BF_REV_0_5 bool "0.5" depends on (BF561 || BF533 || BF532 || BF531) +config BF_REV_0_6 + bool "0.6" + depends on (BF533 || BF532 || BF531) + config BF_REV_ANY bool "any" @@ -249,7 +265,7 @@ config MEM_MT48LC8M32B2B5_7 config MEM_MT48LC32M16A2TG_75 bool - depends on (BFIN527_EZKIT || BFIN532_IP0X || BLACKSTAMP) + depends on (BFIN527_EZKIT || BFIN532_IP0X || BLACKSTAMP || BFIN526_EZBRD) default y source "arch/blackfin/mach-bf527/Kconfig" @@ -286,13 +302,20 @@ config BOOT_LOAD memory region is used to capture NULL pointer references as well as some core kernel functions. +config ROM_BASE + hex "Kernel ROM Base" + default "0x20040000" + range 0x20000000 0x20400000 if !(BF54x || BF561) + range 0x20000000 0x30000000 if (BF54x || BF561) + help + comment "Clock/PLL Setup" config CLKIN_HZ int "Frequency of the crystal on the board in Hz" default "11059200" if BFIN533_STAMP default "27000000" if BFIN533_EZKIT - default "25000000" if (BFIN537_STAMP || BFIN527_EZKIT || H8606_HVSISTEMAS || BLACKSTAMP) + default "25000000" if (BFIN537_STAMP || BFIN527_EZKIT || H8606_HVSISTEMAS || BLACKSTAMP || BFIN526_EZBRD) default "30000000" if BFIN561_EZKIT default "24576000" if PNAV10 default "10000000" if BFIN532_IP0X @@ -332,7 +355,7 @@ config VCO_MULT default "22" if BFIN533_BLUETECHNIX_CM default "20" if (BFIN537_BLUETECHNIX_CM || BFIN527_BLUETECHNIX_CM || BFIN561_BLUETECHNIX_CM) default "20" if BFIN561_EZKIT - default "16" if (H8606_HVSISTEMAS || BLACKSTAMP) + default "16" if (H8606_HVSISTEMAS || BLACKSTAMP || BFIN526_EZBRD) help This controls the frequency of the on-chip PLL. This can be between 1 and 64. PLL Frequency = (Crystal Frequency) * (this setting) @@ -368,14 +391,6 @@ config SCLK_DIV This can be between 1 and 15 System Clock = (PLL frequency) / (this setting) -config MAX_MEM_SIZE - int "Max SDRAM Memory Size in MBytes" - depends on !MPU - default 512 - help - This is the max memory size that the kernel will create CPLB - tables for. Your system will not be able to handle any more. - choice prompt "DDR SDRAM Chip Type" depends on BFIN_KERNEL_CLOCK @@ -389,6 +404,14 @@ config MEM_MT46V32M16_5B bool "MT46V32M16_5B" endchoice +config MAX_MEM_SIZE + int "Max SDRAM Memory Size in MBytes" + depends on !MPU + default 512 + help + This is the max memory size that the kernel will create CPLB + tables for. Your system will not be able to handle any more. + # # Max & Min Speeds for various Chips # @@ -455,8 +478,6 @@ config CYCLES_CLOCKSOURCE source kernel/time/Kconfig -comment "Memory Setup" - comment "Misc" choice @@ -622,6 +643,15 @@ config CPLB_SWITCH_TAB_L1 If enabled, the CPLB Switch Tables are linked into L1 data memory. (less latency) +config APP_STACK_L1 + bool "Support locating application stack in L1 Scratch Memory" + default y + help + If enabled the application stack can be located in L1 + scratch memory (less latency). + + Currently only works with FLAT binaries. + comment "Speed Optimizations" config BFIN_INS_LOWOVERHEAD bool "ins[bwl] low overhead, higher interrupt latency" @@ -755,6 +785,13 @@ config BFIN_WT endchoice +config BFIN_L2_CACHEABLE + bool "Cache L2 SRAM" + depends on (BFIN_DCACHE || BFIN_ICACHE) && (BF54x || BF561) + default n + help + Select to make L2 SRAM cacheable in L1 data and instruction cache. + config MPU bool "Enable the memory protection unit (EXPERIMENTAL)" default n diff --git a/arch/blackfin/Kconfig.debug b/arch/blackfin/Kconfig.debug index c468624d55f..3ad25983ec9 100644 --- a/arch/blackfin/Kconfig.debug +++ b/arch/blackfin/Kconfig.debug @@ -2,6 +2,22 @@ menu "Kernel hacking" source "lib/Kconfig.debug" +config HAVE_ARCH_KGDB + def_bool y + +config DEBUG_VERBOSE + bool "Verbose fault messages" + default y + select PRINTK + help + When a program crashes due to an exception, or the kernel detects + an internal error, the kernel can print a not so brief message + explaining what the problem was. This debugging information is + useful to developers and kernel hackers when tracking down problems, + but mostly meaningless to other people. This is always helpful for + debugging but serves no purpose on a production system. + Most people should say N here. + config DEBUG_MMRS bool "Generate Blackfin MMR tree" select DEBUG_FS @@ -22,6 +38,44 @@ config DEBUG_HWERR hardware error interrupts and need to know where they are coming from. +config DEBUG_DOUBLEFAULT + bool "Debug Double Faults" + default n + help + If an exception is caused while executing code within the exception + handler, the NMI handler, the reset vector, or in emulator mode, + a double fault occurs. On the Blackfin, this is a unrecoverable + event. You have two options: + - RESET exactly when double fault occurs. The excepting + instruction address is stored in RETX, where the next kernel + boot will print it out. + - Print debug message. This is much more error prone, although + easier to handle. It is error prone since: + - The excepting instruction is not committed. + - All writebacks from the instruction are prevented. + - The generated exception is not taken. + - The EXCAUSE field is updated with an unrecoverable event + The only way to check this is to see if EXCAUSE contains the + unrecoverable event value at every exception return. By selecting + this option, you are skipping over the faulting instruction, and + hoping things stay together enough to print out a debug message. + + This does add a little kernel code, but is the only method to debug + double faults - if unsure say "Y" + +choice + prompt "Double Fault Failure Method" + default DEBUG_DOUBLEFAULT_PRINT + depends on DEBUG_DOUBLEFAULT + +config DEBUG_DOUBLEFAULT_PRINT + bool "Print" + +config DEBUG_DOUBLEFAULT_RESET + bool "Reset" + +endchoice + config DEBUG_ICACHE_CHECK bool "Check Instruction cache coherency" depends on DEBUG_KERNEL @@ -143,6 +197,7 @@ config DEBUG_BFIN_NO_KERN_HWTRACE config EARLY_PRINTK bool "Early printk" default n + select SERIAL_CORE_CONSOLE help This option enables special console drivers which allow the kernel to print messages very early in the bootup process. diff --git a/arch/blackfin/Makefile b/arch/blackfin/Makefile index eac0533d6e4..6bf50977850 100644 --- a/arch/blackfin/Makefile +++ b/arch/blackfin/Makefile @@ -67,6 +67,7 @@ rev-$(CONFIG_BF_REV_0_2) := 0.2 rev-$(CONFIG_BF_REV_0_3) := 0.3 rev-$(CONFIG_BF_REV_0_4) := 0.4 rev-$(CONFIG_BF_REV_0_5) := 0.5 +rev-$(CONFIG_BF_REV_0_6) := 0.6 rev-$(CONFIG_BF_REV_NONE) := none rev-$(CONFIG_BF_REV_ANY) := any diff --git a/arch/blackfin/configs/BF526-EZBRD_defconfig b/arch/blackfin/configs/BF526-EZBRD_defconfig new file mode 100644 index 00000000000..c33bf6f8381 --- /dev/null +++ b/arch/blackfin/configs/BF526-EZBRD_defconfig @@ -0,0 +1,1427 @@ +# +# Automatically generated make config: don't edit +# Linux kernel version: 2.6.26.3 +# Thu Aug 28 16:49:53 2008 +# +# CONFIG_MMU is not set +# CONFIG_FPU is not set +CONFIG_RWSEM_GENERIC_SPINLOCK=y +# CONFIG_RWSEM_XCHGADD_ALGORITHM is not set +CONFIG_BLACKFIN=y +CONFIG_ZONE_DMA=y +CONFIG_GENERIC_FIND_NEXT_BIT=y +CONFIG_GENERIC_HWEIGHT=y +CONFIG_GENERIC_HARDIRQS=y +CONFIG_GENERIC_IRQ_PROBE=y +CONFIG_GENERIC_GPIO=y +CONFIG_FORCE_MAX_ZONEORDER=14 +CONFIG_GENERIC_CALIBRATE_DELAY=y +CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config" + +# +# General setup +# +CONFIG_EXPERIMENTAL=y +CONFIG_BROKEN_ON_SMP=y +CONFIG_INIT_ENV_ARG_LIMIT=32 +CONFIG_LOCALVERSION="" +CONFIG_LOCALVERSION_AUTO=y +CONFIG_SYSVIPC=y +CONFIG_SYSVIPC_SYSCTL=y +# CONFIG_POSIX_MQUEUE is not set +# CONFIG_BSD_PROCESS_ACCT is not set +# CONFIG_TASKSTATS is not set +# CONFIG_AUDIT is not set +CONFIG_IKCONFIG=y +CONFIG_IKCONFIG_PROC=y +CONFIG_LOG_BUF_SHIFT=14 +# CONFIG_CGROUPS is not set +# CONFIG_GROUP_SCHED is not set +CONFIG_SYSFS_DEPRECATED=y +CONFIG_SYSFS_DEPRECATED_V2=y +# CONFIG_RELAY is not set +# CONFIG_NAMESPACES is not set +CONFIG_BLK_DEV_INITRD=y +CONFIG_INITRAMFS_SOURCE="" +# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set +CONFIG_SYSCTL=y +CONFIG_EMBEDDED=y +CONFIG_UID16=y +CONFIG_SYSCTL_SYSCALL=y +CONFIG_SYSCTL_SYSCALL_CHECK=y +CONFIG_KALLSYMS=y +# CONFIG_KALLSYMS_EXTRA_PASS is not set +CONFIG_HOTPLUG=y +CONFIG_PRINTK=y +CONFIG_BUG=y +CONFIG_ELF_CORE=y +CONFIG_COMPAT_BRK=y +CONFIG_BASE_FULL=y +CONFIG_FUTEX=y +CONFIG_ANON_INODES=y +CONFIG_EPOLL=y +CONFIG_SIGNALFD=y +CONFIG_TIMERFD=y +CONFIG_EVENTFD=y +CONFIG_VM_EVENT_COUNTERS=y +CONFIG_SLAB=y +# CONFIG_SLUB is not set +# CONFIG_SLOB is not set +# CONFIG_PROFILING is not set +# CONFIG_MARKERS is not set +CONFIG_HAVE_OPROFILE=y +# CONFIG_HAVE_KPROBES is not set +# CONFIG_HAVE_KRETPROBES is not set +# CONFIG_HAVE_DMA_ATTRS is not set +CONFIG_SLABINFO=y +CONFIG_RT_MUTEXES=y +CONFIG_TINY_SHMEM=y +CONFIG_BASE_SMALL=0 +CONFIG_MODULES=y +# CONFIG_MODULE_FORCE_LOAD is not set +CONFIG_MODULE_UNLOAD=y +# CONFIG_MODULE_FORCE_UNLOAD is not set +# CONFIG_MODVERSIONS is not set +# CONFIG_MODULE_SRCVERSION_ALL is not set +CONFIG_KMOD=y +CONFIG_BLOCK=y +# CONFIG_LBD is not set +# CONFIG_BLK_DEV_IO_TRACE is not set +# CONFIG_LSF is not set +# CONFIG_BLK_DEV_BSG is not set + +# +# IO Schedulers +# +CONFIG_IOSCHED_NOOP=y +# CONFIG_IOSCHED_AS is not set +# CONFIG_IOSCHED_DEADLINE is not set +# CONFIG_IOSCHED_CFQ is not set +# CONFIG_DEFAULT_AS is not set +# CONFIG_DEFAULT_DEADLINE is not set +# CONFIG_DEFAULT_CFQ is not set +CONFIG_DEFAULT_NOOP=y +CONFIG_DEFAULT_IOSCHED="noop" +CONFIG_CLASSIC_RCU=y +# CONFIG_PREEMPT_NONE is not set +CONFIG_PREEMPT_VOLUNTARY=y +# CONFIG_PREEMPT is not set + +# +# Blackfin Processor Options +# + +# +# Processor and Board Settings +# +# CONFIG_BF522 is not set +# CONFIG_BF523 is not set +# CONFIG_BF524 is not set +# CONFIG_BF525 is not set +CONFIG_BF526=y +# CONFIG_BF527 is not set +# CONFIG_BF531 is not set +# CONFIG_BF532 is not set +# CONFIG_BF533 is not set +# CONFIG_BF534 is not set +# CONFIG_BF536 is not set +# CONFIG_BF537 is not set +# CONFIG_BF542 is not set +# CONFIG_BF544 is not set +# CONFIG_BF547 is not set +# CONFIG_BF548 is not set +# CONFIG_BF549 is not set +# CONFIG_BF561 is not set +CONFIG_BF_REV_0_0=y +# CONFIG_BF_REV_0_1 is not set +# CONFIG_BF_REV_0_2 is not set +# CONFIG_BF_REV_0_3 is not set +# CONFIG_BF_REV_0_4 is not set +# CONFIG_BF_REV_0_5 is not set +# CONFIG_BF_REV_ANY is not set +# CONFIG_BF_REV_NONE is not set +CONFIG_BF52x=y +CONFIG_MEM_MT48LC32M16A2TG_75=y +# CONFIG_BFIN527_EZKIT is not set +# CONFIG_BFIN527_BLUETECHNIX_CM is not set +CONFIG_BFIN526_EZBRD=y + +# +# BF527 Specific Configuration +# + +# +# Alternative Multiplexing Scheme +# +# CONFIG_BF527_SPORT0_PORTF is not set +CONFIG_BF527_SPORT0_PORTG=y +CONFIG_BF527_SPORT0_TSCLK_PG10=y +# CONFIG_BF527_SPORT0_TSCLK_PG14 is not set +CONFIG_BF527_UART1_PORTF=y +# CONFIG_BF527_UART1_PORTG is not set +# CONFIG_BF527_NAND_D_PORTF is not set +CONFIG_BF527_NAND_D_PORTH=y + +# +# Int |