X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=arch%2Fpowerpc%2FKconfig.debug;h=db7cc34c24d4d983030adeebb029be70925587e3;hb=d7b6de14a0ef8a376f9d57b867545b47302b7bfb;hp=22acece95b118d5c6055fed0f72ff7c5a1cbe18b;hpb=edd5f25f7475013b44f7942bb3b25022792a9c9d;p=pandora-kernel.git diff --git a/arch/powerpc/Kconfig.debug b/arch/powerpc/Kconfig.debug index 22acece95b11..8c8aadbe9563 100644 --- a/arch/powerpc/Kconfig.debug +++ b/arch/powerpc/Kconfig.debug @@ -41,52 +41,19 @@ config HCALL_STATS This option will add a small amount of overhead to all hypervisor calls. -config DEBUGGER - bool "Enable debugger hooks" +config CODE_PATCHING_SELFTEST + bool "Run self-tests of the code-patching code." depends on DEBUG_KERNEL - help - Include in-kernel hooks for kernel debuggers. Unless you are - intending to debug the kernel, say N here. - -config KGDB - bool "Include kgdb kernel debugger" - depends on DEBUGGER && (BROKEN || PPC_GEN550 || 4xx) - select DEBUG_INFO - help - Include in-kernel hooks for kgdb, the Linux kernel source level - debugger. See for more information. - Unless you are intending to debug the kernel, say N here. - -choice - prompt "Serial Port" - depends on KGDB - default KGDB_TTYS1 - -config KGDB_TTYS0 - bool "ttyS0" + default n -config KGDB_TTYS1 - bool "ttyS1" - -config KGDB_TTYS2 - bool "ttyS2" - -config KGDB_TTYS3 - bool "ttyS3" - -endchoice - -config KGDB_CONSOLE - bool "Enable serial console thru kgdb port" - depends on KGDB && 8xx || CPM2 - help - If you enable this, all serial console messages will be sent - over the gdb stub. - If unsure, say N. +config FTR_FIXUP_SELFTEST + bool "Run self-tests of the feature-fixup code." + depends on DEBUG_KERNEL + default n config XMON bool "Include xmon kernel debugger" - depends on DEBUGGER + depends on DEBUG_KERNEL help Include in-kernel hooks for the xmon kernel monitor/debugger. Unless you are intending to debug the kernel, say N here. @@ -116,14 +83,28 @@ config XMON_DISASSEMBLY to say Y here, unless you're building for a memory-constrained system. +config DEBUGGER + bool + depends on KGDB || XMON + default y + config IRQSTACKS bool "Use separate kernel stacks when processing interrupts" - depends on PPC64 help If you say Y here the kernel will use separate kernel stacks for handling hard and soft interrupts. This can help avoid overflowing the process kernel stacks. +config VIRQ_DEBUG + bool "Expose hardware/virtual IRQ mapping via debugfs" + depends on DEBUG_FS && PPC_MERGE + help + This option will show the mapping relationship between hardware irq + numbers and virtual irq numbers. The mapping is exposed via debugfs + in the file powerpc/virq_mapping. + + If you don't know what this means you don't need it. + config BDI_SWITCH bool "Include BDI-2000 user context switcher" depends on DEBUG_KERNEL && PPC32 @@ -134,13 +115,23 @@ config BDI_SWITCH config BOOTX_TEXT bool "Support for early boot text console (BootX or OpenFirmware only)" - depends PPC_OF && PPC_MULTIPLATFORM + depends on PPC_OF && PPC_MULTIPLATFORM help Say Y here to see progress messages from the boot firmware in text mode. Requires either BootX or Open Firmware. config PPC_EARLY_DEBUG bool "Early debugging (dangerous)" + # PPC_EARLY_DEBUG on 440 leaves AS=1 mappings above the TLB high water + # mark, which doesn't work with current 440 KVM. + depends on !KVM + help + Say Y to enable some early debugging facilities that may be available + for your processor/board combination. Those facilities are hacks + intended to debug problems early during boot, this should not be + enabled in a production kernel. + Note that enabling this will also cause the kernel default log level + to be pushed to max automatically very early during boot choice prompt "Early debugging console" @@ -206,21 +197,58 @@ config PPC_EARLY_DEBUG_BEAT config PPC_EARLY_DEBUG_44x bool "Early serial debugging for IBM/AMCC 44x CPUs" depends on 44x - select PPC_UDBG_16550 help Select this to enable early debugging for IBM 44x chips via the - inbuilt serial port. + inbuilt serial port. If you enable this, ensure you set + PPC_EARLY_DEBUG_44x_PHYSLOW below to suit your target board. + +config PPC_EARLY_DEBUG_40x + bool "Early serial debugging for IBM/AMCC 40x CPUs" + depends on 40x + help + Select this to enable early debugging for IBM 40x chips via the + inbuilt serial port. This works on chips with a 16550 compatible + UART. Xilinx chips with uartlite cannot use this option. + +config PPC_EARLY_DEBUG_CPM + bool "Early serial debugging for Freescale CPM-based serial ports" + depends on SERIAL_CPM + select PIN_TLB if PPC_8xx + help + Select this to enable early debugging for Freescale chips + using a CPM-based serial port. This assumes that the bootwrapper + has run, and set up the CPM in a particular way. endchoice config PPC_EARLY_DEBUG_44x_PHYSLOW hex "Low 32 bits of early debug UART physical address" - depends PPC_EARLY_DEBUG_44x + depends on PPC_EARLY_DEBUG_44x default "0x40000200" + help + You probably want 0x40000200 for ebony boards and + 0x40000300 for taishan config PPC_EARLY_DEBUG_44x_PHYSHIGH hex "EPRN of early debug UART physical address" - depends PPC_EARLY_DEBUG_44x + depends on PPC_EARLY_DEBUG_44x default "0x1" +config PPC_EARLY_DEBUG_40x_PHYSADDR + hex "Early debug UART physical address" + depends on PPC_EARLY_DEBUG_40x + default "0xef600300" + +config PPC_EARLY_DEBUG_CPM_ADDR + hex "CPM UART early debug transmit descriptor address" + depends on PPC_EARLY_DEBUG_CPM + default "0xfa202008" if PPC_EP88XC + default "0xf0001ff8" if CPM2 + default "0xff002008" if CPM1 + help + This specifies the address of the transmit descriptor + used for early debug output. Because it is needed before + platform probing is done, all platforms selected must + share the same address. + endmenu