diff options
Diffstat (limited to 'arch/xtensa/Kconfig')
-rw-r--r-- | arch/xtensa/Kconfig | 86 |
1 files changed, 72 insertions, 14 deletions
diff --git a/arch/xtensa/Kconfig b/arch/xtensa/Kconfig index 7d5d9fd..e5b872b 100644 --- a/arch/xtensa/Kconfig +++ b/arch/xtensa/Kconfig @@ -98,12 +98,6 @@ config XTENSA_VARIANT_DC233C help This variant refers to Tensilica's Diamond 233L Standard core Rev.C (LE). -config XTENSA_VARIANT_S6000 - bool "s6000 - Stretch software configurable processor" - select VARIANT_IRQ_SWITCH - select ARCH_REQUIRE_GPIOLIB - select XTENSA_CALIBRATE_CCOUNT - config XTENSA_VARIANT_CUSTOM bool "Custom Xtensa processor configuration" select MAY_HAVE_SMP @@ -126,7 +120,6 @@ config XTENSA_VARIANT_NAME default "dc232b" if XTENSA_VARIANT_DC232B default "dc233c" if XTENSA_VARIANT_DC233C default "fsf" if XTENSA_VARIANT_FSF - default "s6000" if XTENSA_VARIANT_S6000 default XTENSA_VARIANT_CUSTOM_NAME if XTENSA_VARIANT_CUSTOM config XTENSA_VARIANT_MMU @@ -191,7 +184,6 @@ config HOTPLUG_CPU config INITIALIZE_XTENSA_MMU_INSIDE_VMLINUX bool "Initialize Xtensa MMU inside the Linux kernel code" - depends on MMU default y help Earlier version initialized the MMU in the exception vector @@ -311,15 +303,10 @@ config XTENSA_PLATFORM_XT2000 XT2000 is the name of Tensilica's feature-rich emulation platform. This hardware is capable of running a full Linux distribution. -config XTENSA_PLATFORM_S6105 - bool "S6105" - select HAVE_IDE - select SERIAL_CONSOLE - select NO_IOPORT_MAP - config XTENSA_PLATFORM_XTFPGA bool "XTFPGA" select ETHOC if ETHERNET + select PLATFORM_WANT_DEFAULT_MEM select SERIAL_CONSOLE select XTENSA_CALIBRATE_CCOUNT help @@ -406,6 +393,71 @@ source "drivers/pcmcia/Kconfig" source "drivers/pci/hotplug/Kconfig" +config PLATFORM_WANT_DEFAULT_MEM + def_bool n + +config DEFAULT_MEM_START + hex "Physical address of the default memory area start" + depends on PLATFORM_WANT_DEFAULT_MEM + default 0x00000000 if MMU + default 0x40000000 if !MMU + help + This is a fallback start address of the default memory area, it is + used when no physical memory size is passed through DTB or through + boot parameter from bootloader. + + In noMMU configuration the following parameters are derived from it: + - kernel load address; + - kernel entry point address; + - relocatable vectors base address; + - uBoot load address; + - TASK_SIZE. + + If unsure, leave the default value here. + +config DEFAULT_MEM_SIZE + hex "Maximal size of the default memory area" + depends on PLATFORM_WANT_DEFAULT_MEM + default 0x04000000 + help + This is a fallback size of the default memory area, it is used when + no physical memory size is passed through DTB or through boot + parameter from bootloader. + + It's also used for TASK_SIZE calculation in noMMU configuration. + + If unsure, leave the default value here. + +config XTFPGA_LCD + bool "Enable XTFPGA LCD driver" + depends on XTENSA_PLATFORM_XTFPGA + default n + help + There's a 2x16 LCD on most of XTFPGA boards, kernel may output + progress messages there during bootup/shutdown. It may be useful + during board bringup. + + If unsure, say N. + +config XTFPGA_LCD_BASE_ADDR + hex "XTFPGA LCD base address" + depends on XTFPGA_LCD + default "0x0d0c0000" + help + Base address of the LCD controller inside KIO region. + Different boards from XTFPGA family have LCD controller at different + addresses. Please consult prototyping user guide for your board for + the correct address. Wrong address here may lead to hardware lockup. + +config XTFPGA_LCD_8BIT_ACCESS + bool "Use 8-bit access to XTFPGA LCD" + depends on XTFPGA_LCD + default n + help + LCD may be connected with 4- or 8-bit interface, 8-bit access may + only be used with 8-bit interface. Please consult prototyping user + guide for your board for the correct interface width. + endmenu menu "Executable file formats" @@ -414,6 +466,12 @@ source "fs/Kconfig.binfmt" endmenu +menu "Power management options" + +source "kernel/power/Kconfig" + +endmenu + source "net/Kconfig" source "drivers/Kconfig" |