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x86: enable 4G high memory support for generic (32bit) subtarget

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This is required to fully support a number of 32bit x86 systems equipped
with more than one GB ram, e.g. certain Atom CPU machines.

Ref: https://forum.lede-project.org/t/17-01-1-x86-doesnt-detect-all-of-the-ram/3295

Signed-off-by: Jo-Philipp Wich <jo@mein.io>
This commit is contained in:
Jo-Philipp Wich 2017-04-27 15:26:48 +02:00
parent 3bfe7ee632
commit af1d1ebdda
2 changed files with 8 additions and 3 deletions
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8
target/linux/x86/config-4.4
View File

@ -9,6 +9,7 @@ CONFIG_AMD_NB=y
CONFIG_ARCH_CLOCKSOURCE_DATA=y CONFIG_ARCH_CLOCKSOURCE_DATA=y
CONFIG_ARCH_DEFCONFIG="arch/x86/configs/i386_defconfig" CONFIG_ARCH_DEFCONFIG="arch/x86/configs/i386_defconfig"
CONFIG_ARCH_DISCARD_MEMBLOCK=y CONFIG_ARCH_DISCARD_MEMBLOCK=y
CONFIG_ARCH_ENABLE_MEMORY_HOTPLUG=y
CONFIG_ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE=y CONFIG_ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE=y
CONFIG_ARCH_HAS_CACHE_LINE_SIZE=y CONFIG_ARCH_HAS_CACHE_LINE_SIZE=y
CONFIG_ARCH_HAS_CPU_RELAX=y CONFIG_ARCH_HAS_CPU_RELAX=y
@ -213,7 +214,9 @@ CONFIG_HAVE_SYSCALL_TRACEPOINTS=y
CONFIG_HAVE_UID16=y CONFIG_HAVE_UID16=y
CONFIG_HAVE_UNSTABLE_SCHED_CLOCK=y CONFIG_HAVE_UNSTABLE_SCHED_CLOCK=y
CONFIG_HAVE_USER_RETURN_NOTIFIER=y CONFIG_HAVE_USER_RETURN_NOTIFIER=y
# CONFIG_HIGHMEM4G is not set CONFIG_HIGHMEM=y
CONFIG_HIGHMEM4G=y
# CONFIG_HIGHPTE is not set
CONFIG_HPET_EMULATE_RTC=y CONFIG_HPET_EMULATE_RTC=y
CONFIG_HPET_TIMER=y CONFIG_HPET_TIMER=y
# CONFIG_HP_WATCHDOG is not set # CONFIG_HP_WATCHDOG is not set
@ -305,7 +308,7 @@ CONFIG_NEED_SG_DMA_LENGTH=y
# CONFIG_NET5501 is not set # CONFIG_NET5501 is not set
# CONFIG_NET_NS is not set # CONFIG_NET_NS is not set
CONFIG_NLS=y CONFIG_NLS=y
CONFIG_NOHIGHMEM=y # CONFIG_NOHIGHMEM is not set
CONFIG_NO_BOOTMEM=y CONFIG_NO_BOOTMEM=y
CONFIG_NR_CPUS=1 CONFIG_NR_CPUS=1
# CONFIG_NSC_GPIO is not set # CONFIG_NSC_GPIO is not set
@ -431,7 +434,6 @@ CONFIG_X86_MINIMUM_CPU_FAMILY=4
CONFIG_X86_MPPARSE=y CONFIG_X86_MPPARSE=y
CONFIG_X86_MSR=y CONFIG_X86_MSR=y
# CONFIG_X86_P4_CLOCKMOD is not set # CONFIG_X86_P4_CLOCKMOD is not set
# CONFIG_X86_PAE is not set
CONFIG_X86_PAT=y CONFIG_X86_PAT=y
CONFIG_X86_PLATFORM_DEVICES=y CONFIG_X86_PLATFORM_DEVICES=y
# CONFIG_X86_POWERNOW_K6 is not set # CONFIG_X86_POWERNOW_K6 is not set

3
target/linux/x86/legacy/config-default
View File

@ -119,6 +119,7 @@ CONFIG_HAVE_CLK_PREPARE=y
CONFIG_HDMI=y CONFIG_HDMI=y
CONFIG_HID=y CONFIG_HID=y
CONFIG_HID_BATTERY_STRENGTH=y CONFIG_HID_BATTERY_STRENGTH=y
# CONFIG_HIGHMEM4G is not set
CONFIG_HPET=y CONFIG_HPET=y
CONFIG_HPET_MMAP=y CONFIG_HPET_MMAP=y
# CONFIG_HP_ACCEL is not set # CONFIG_HP_ACCEL is not set
@ -164,6 +165,7 @@ CONFIG_MOUSE_PS2_TRACKPOINT=y
# CONFIG_MOUSE_SERIAL is not set # CONFIG_MOUSE_SERIAL is not set
# CONFIG_MOUSE_VSXXXAA is not set # CONFIG_MOUSE_VSXXXAA is not set
CONFIG_NLS=y CONFIG_NLS=y
CONFIG_NOHIGHMEM=y
CONFIG_NO_HZ=y CONFIG_NO_HZ=y
# CONFIG_PANASONIC_LAPTOP is not set # CONFIG_PANASONIC_LAPTOP is not set
CONFIG_PATA_AMD=y CONFIG_PATA_AMD=y
@ -211,5 +213,6 @@ CONFIG_X86_ACPI_CPUFREQ=y
# CONFIG_X86_E_POWERSAVER is not set # CONFIG_X86_E_POWERSAVER is not set
# CONFIG_X86_INTEL_LPSS is not set # CONFIG_X86_INTEL_LPSS is not set
# CONFIG_X86_LONGHAUL is not set # CONFIG_X86_LONGHAUL is not set
# CONFIG_X86_PAE is not set
# CONFIG_X86_PCC_CPUFREQ is not set # CONFIG_X86_PCC_CPUFREQ is not set
CONFIG_X86_PM_TIMER=y CONFIG_X86_PM_TIMER=y