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Message-ID: <20240506125152.78174-4-mpe@ellerman.id.au> Date: Mon, 6 May 2024 22:51:48 +1000 From: Michael Ellerman <mpe@...erman.id.au> To: <linuxppc-dev@...ts.ozlabs.org> Cc: <linux-kernel@...r.kernel.org>, <christophe.leroy@...roup.eu> Subject: [PATCH 3/7] powerpc: Remove 40x from Kconfig and defconfig Remove 40x from Kconfig, making the code unreachable. Signed-off-by: Michael Ellerman <mpe@...erman.id.au> --- arch/powerpc/Kconfig | 12 ++++++------ arch/powerpc/Kconfig.debug | 13 ------------- arch/powerpc/Makefile | 5 ----- arch/powerpc/configs/40x.config | 2 -- arch/powerpc/platforms/Kconfig.cputype | 21 ++++----------------- 5 files changed, 10 insertions(+), 43 deletions(-) delete mode 100644 arch/powerpc/configs/40x.config diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index 1c4be3373686..9a7d2b218516 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -148,7 +148,7 @@ config PPC select ARCH_HAS_PTE_SPECIAL select ARCH_HAS_SCALED_CPUTIME if VIRT_CPU_ACCOUNTING_NATIVE && PPC_BOOK3S_64 select ARCH_HAS_SET_MEMORY - select ARCH_HAS_STRICT_KERNEL_RWX if (PPC_BOOK3S || PPC_8xx || 40x) && !HIBERNATION + select ARCH_HAS_STRICT_KERNEL_RWX if (PPC_BOOK3S || PPC_8xx) && !HIBERNATION select ARCH_HAS_STRICT_KERNEL_RWX if PPC_85xx && !HIBERNATION && !RANDOMIZE_BASE select ARCH_HAS_STRICT_MODULE_RWX if ARCH_HAS_STRICT_KERNEL_RWX select ARCH_HAS_SYSCALL_WRAPPER if !SPU_BASE && !COMPAT @@ -165,7 +165,7 @@ config PPC select ARCH_SPLIT_ARG64 if PPC32 select ARCH_STACKWALK select ARCH_SUPPORTS_ATOMIC_RMW - select ARCH_SUPPORTS_DEBUG_PAGEALLOC if PPC_BOOK3S || PPC_8xx || 40x + select ARCH_SUPPORTS_DEBUG_PAGEALLOC if PPC_BOOK3S || PPC_8xx select ARCH_USE_BUILTIN_BSWAP select ARCH_USE_CMPXCHG_LOCKREF if PPC64 select ARCH_USE_MEMTEST @@ -387,7 +387,7 @@ config ARCH_SUSPEND_POSSIBLE def_bool y depends on ADB_PMU || PPC_EFIKA || PPC_LITE5200 || PPC_83xx || \ (PPC_85xx && !PPC_E500MC) || PPC_86xx || PPC_PSERIES \ - || 44x || 40x + || 44x config ARCH_SUSPEND_NONZERO_CPU def_bool y @@ -441,7 +441,7 @@ config ARCH_SUPPORTS_UPROBES config PPC_ADV_DEBUG_REGS bool - depends on 40x || BOOKE + depends on BOOKE default y config PPC_ADV_DEBUG_IACS @@ -1071,7 +1071,7 @@ config GENERIC_ISA_DMA config PPC_INDIRECT_PCI bool depends on PCI - default y if 40x || 44x + default y if 44x config SBUS bool @@ -1096,7 +1096,7 @@ config FSL_PMC config PPC4xx_CPM bool default y - depends on SUSPEND && (44x || 40x) + depends on SUSPEND && 44x help PPC4xx Clock Power Management (CPM) support (suspend/resume). It also enables support for two different idle states (idle-wait diff --git a/arch/powerpc/Kconfig.debug b/arch/powerpc/Kconfig.debug index 8c80b154e814..3799ceceb04a 100644 --- a/arch/powerpc/Kconfig.debug +++ b/arch/powerpc/Kconfig.debug @@ -244,14 +244,6 @@ config PPC_EARLY_DEBUG_44x 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. - config PPC_EARLY_DEBUG_CPM bool "Early serial debugging for Freescale CPM-based serial ports" depends on SERIAL_CPM=y @@ -356,11 +348,6 @@ config PPC_EARLY_DEBUG_44x_PHYSHIGH 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 diff --git a/arch/powerpc/Makefile b/arch/powerpc/Makefile index 65261cbe5bfd..a59563e1550b 100644 --- a/arch/powerpc/Makefile +++ b/arch/powerpc/Makefile @@ -302,11 +302,6 @@ ppc32_allmodconfig: $(Q)$(MAKE) KCONFIG_ALLCONFIG=$(srctree)/arch/powerpc/configs/book3s_32.config \ -f $(srctree)/Makefile allmodconfig -generated_configs += ppc40x_allmodconfig -ppc40x_allmodconfig: - $(Q)$(MAKE) KCONFIG_ALLCONFIG=$(srctree)/arch/powerpc/configs/40x.config \ - -f $(srctree)/Makefile allmodconfig - generated_configs += ppc44x_allmodconfig ppc44x_allmodconfig: $(Q)$(MAKE) KCONFIG_ALLCONFIG=$(srctree)/arch/powerpc/configs/44x.config \ diff --git a/arch/powerpc/configs/40x.config b/arch/powerpc/configs/40x.config deleted file mode 100644 index 82a9d58ddb81..000000000000 --- a/arch/powerpc/configs/40x.config +++ /dev/null @@ -1,2 +0,0 @@ -CONFIG_PPC64=n -CONFIG_40x=y diff --git a/arch/powerpc/platforms/Kconfig.cputype b/arch/powerpc/platforms/Kconfig.cputype index b2d8c0da2ad9..2b686ee2dd2b 100644 --- a/arch/powerpc/platforms/Kconfig.cputype +++ b/arch/powerpc/platforms/Kconfig.cputype @@ -43,14 +43,6 @@ config PPC_8xx select HAVE_ARCH_VMAP_STACK select HUGETLBFS -config 40x - bool "AMCC 40x" - select PPC_DCR_NATIVE - select PPC_UDBG_16550 - select 4xx_SOC - select HAVE_PCI - select PPC_KUEP if PPC_KUAP - config 44x bool "AMCC 44x, 46x or 47x" select PPC_DCR_NATIVE @@ -194,11 +186,6 @@ config E6500_CPU depends on !CC_IS_CLANG select PPC_HAS_LBARX_LHARX -config 405_CPU - bool "40x family" - depends on 40x - depends on !CC_IS_CLANG - config 440_CPU bool "440 (44x family)" depends on 44x @@ -340,7 +327,7 @@ config FSL_EMB_PERF_EVENT_E500 config 4xx bool - depends on 40x || 44x + depends on 44x default y config BOOKE @@ -350,7 +337,7 @@ config BOOKE config BOOKE_OR_40x bool - depends on BOOKE || 40x + depends on BOOKE default y config PTE_64BIT @@ -495,8 +482,8 @@ config PPC_KERNEL_PCREL This option builds the kernel with the pc relative ABI model. config PPC_KUEP - bool "Kernel Userspace Execution Prevention" if !40x - default y if !40x + bool "Kernel Userspace Execution Prevention" + default y help Enable support for Kernel Userspace Execution Prevention (KUEP) -- 2.45.0
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