[PATCH v3 3/7] powerpc: Remove 40x from Kconfig and defconfig
Michael Ellerman
mpe at ellerman.id.au
Fri Jun 28 22:11:57 AEST 2024
Remove 40x from Kconfig, making the code unreachable.
Signed-off-by: Michael Ellerman <mpe at ellerman.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
v3: Unchanged.
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index c88c6d46a5bc..16d625c71dfa 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -149,7 +149,7 @@ 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
@@ -167,7 +167,7 @@ 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
@@ -389,7 +389,7 @@ 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
@@ -443,7 +443,7 @@ config ARCH_SUPPORTS_UPROBES
config PPC_ADV_DEBUG_REGS
bool
- depends on 40x || BOOKE
+ depends on BOOKE
default y
config PPC_ADV_DEBUG_IACS
@@ -1077,7 +1077,7 @@ config GENERIC_ISA_DMA
config PPC_INDIRECT_PCI
bool
depends on PCI
- default y if 40x || 44x
+ default y if 44x
config SBUS
bool
@@ -1102,7 +1102,7 @@ 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 a8479c881cac..bbfe4a1f06ef 100644
--- a/arch/powerpc/Makefile
+++ b/arch/powerpc/Makefile
@@ -301,11 +301,6 @@ 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)
--
2.45.2
More information about the Linuxppc-dev
mailing list