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-rw-r--r--arch/arm/Kconfig92
-rw-r--r--arch/arm/Kconfig.debug11
-rw-r--r--arch/arm/Kconfig.platforms183
3 files changed, 187 insertions, 99 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index f53832383a..0d4e316a38 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -341,83 +341,7 @@ config ARCH_MULTIPLATFORM
Selecting N here allows using those options, including
DEBUG_UNCOMPRESS, XIP_KERNEL and ZBOOT_ROM. If unsure, say Y.
-menu "Platform selection"
- depends on MMU
-
-comment "CPU Core family selection"
-
-config ARCH_MULTI_V4
- bool "ARMv4 based platforms (FA526, StrongARM)"
- depends on !ARCH_MULTI_V6_V7
- # https://github.com/llvm/llvm-project/issues/50764
- depends on !LD_IS_LLD || LLD_VERSION >= 160000
- select ARCH_MULTI_V4_V5
- select CPU_FA526 if !(CPU_SA110 || CPU_SA1100)
-
-config ARCH_MULTI_V4T
- bool "ARMv4T based platforms (ARM720T, ARM920T, ...)"
- depends on !ARCH_MULTI_V6_V7
- # https://github.com/llvm/llvm-project/issues/50764
- depends on !LD_IS_LLD || LLD_VERSION >= 160000
- select ARCH_MULTI_V4_V5
- select CPU_ARM920T if !(CPU_ARM7TDMI || CPU_ARM720T || \
- CPU_ARM740T || CPU_ARM9TDMI || CPU_ARM922T || \
- CPU_ARM925T || CPU_ARM940T)
-
-config ARCH_MULTI_V5
- bool "ARMv5 based platforms (ARM926T, XSCALE, PJ1, ...)"
- depends on !ARCH_MULTI_V6_V7
- select ARCH_MULTI_V4_V5
- select CPU_ARM926T if !(CPU_ARM946E || CPU_ARM1020 || \
- CPU_ARM1020E || CPU_ARM1022 || CPU_ARM1026 || \
- CPU_XSCALE || CPU_XSC3 || CPU_MOHAWK || CPU_FEROCEON)
-
-config ARCH_MULTI_V4_V5
- bool
-
-config ARCH_MULTI_V6
- bool "ARMv6 based platforms (ARM11)"
- select ARCH_MULTI_V6_V7
- select CPU_V6K
-
-config ARCH_MULTI_V7
- bool "ARMv7 based platforms (Cortex-A, PJ4, Scorpion, Krait)"
- default y
- select ARCH_MULTI_V6_V7
- select CPU_V7
- select HAVE_SMP
-
-config ARCH_MULTI_V6_V7
- bool
- select MIGHT_HAVE_CACHE_L2X0
-
-config ARCH_MULTI_CPU_AUTO
- def_bool !(ARCH_MULTI_V4 || ARCH_MULTI_V4T || ARCH_MULTI_V6_V7)
- select ARCH_MULTI_V5
-
-endmenu
-
-config ARCH_VIRT
- bool "Dummy Virtual Machine"
- depends on ARCH_MULTI_V7
- select ARM_AMBA
- select ARM_GIC
- select ARM_GIC_V2M if PCI
- select ARM_GIC_V3
- select ARM_GIC_V3_ITS if PCI
- select ARM_PSCI
- select HAVE_ARM_ARCH_TIMER
-
-config ARCH_AIROHA
- bool "Airoha SoC Support"
- depends on ARCH_MULTI_V7
- select ARM_AMBA
- select ARM_GIC
- select ARM_GIC_V3
- select ARM_PSCI
- select HAVE_ARM_ARCH_TIMER
- help
- Support for Airoha EN7523 SoCs
+source "arch/arm/Kconfig.platforms"
#
# This is sorted alphabetically by mach-* pathname. However, plat-*
@@ -430,8 +354,6 @@ source "arch/arm/mach-alpine/Kconfig"
source "arch/arm/mach-artpec/Kconfig"
-source "arch/arm/mach-asm9260/Kconfig"
-
source "arch/arm/mach-aspeed/Kconfig"
source "arch/arm/mach-at91/Kconfig"
@@ -480,8 +402,6 @@ source "arch/arm/mach-milbeaut/Kconfig"
source "arch/arm/mach-mmp/Kconfig"
-source "arch/arm/mach-moxart/Kconfig"
-
source "arch/arm/mach-mstar/Kconfig"
source "arch/arm/mach-mv78xx0/Kconfig"
@@ -494,8 +414,6 @@ source "arch/arm/mach-nomadik/Kconfig"
source "arch/arm/mach-npcm/Kconfig"
-source "arch/arm/mach-nspire/Kconfig"
-
source "arch/arm/mach-omap1/Kconfig"
source "arch/arm/mach-omap2/Kconfig"
@@ -506,8 +424,6 @@ source "arch/arm/mach-pxa/Kconfig"
source "arch/arm/mach-qcom/Kconfig"
-source "arch/arm/mach-rda/Kconfig"
-
source "arch/arm/mach-realtek/Kconfig"
source "arch/arm/mach-rpc/Kconfig"
@@ -530,14 +446,10 @@ source "arch/arm/mach-sti/Kconfig"
source "arch/arm/mach-stm32/Kconfig"
-source "arch/arm/mach-sunplus/Kconfig"
-
source "arch/arm/mach-sunxi/Kconfig"
source "arch/arm/mach-tegra/Kconfig"
-source "arch/arm/mach-uniphier/Kconfig"
-
source "arch/arm/mach-ux500/Kconfig"
source "arch/arm/mach-versatile/Kconfig"
@@ -1363,7 +1275,7 @@ config ARCH_FORCE_MAX_ORDER
default "10"
help
The kernel page allocator limits the size of maximal physically
- contiguous allocations. The limit is called MAX_ORDER and it
+ contiguous allocations. The limit is called MAX_PAGE_ORDER and it
defines the maximal power of two of number of pages that can be
allocated as a single contiguous block. This option allows
overriding the default setting when ability to allocate very
diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug
index fc2b41d414..5fbbac1b70 100644
--- a/arch/arm/Kconfig.debug
+++ b/arch/arm/Kconfig.debug
@@ -1809,15 +1809,8 @@ config DEBUG_UNCOMPRESS
(!DEBUG_TEGRA_UART || !ZBOOT_ROM) && \
!DEBUG_BRCMSTB_UART && !DEBUG_SEMIHOSTING
help
- This option influences the normal decompressor output for
- multiplatform kernels. Normally, multiplatform kernels disable
- decompressor output because it is not possible to know where to
- send the decompressor output.
-
- When this option is set, the selected DEBUG_LL output method
- will be re-used for normal decompressor output on multiplatform
- kernels.
-
+ Say Y here to enable debug output in the decompressor code, using
+ the selected DEBUG_LL output method.
config UNCOMPRESS_INCLUDE
string
diff --git a/arch/arm/Kconfig.platforms b/arch/arm/Kconfig.platforms
new file mode 100644
index 0000000000..845ab08e20
--- /dev/null
+++ b/arch/arm/Kconfig.platforms
@@ -0,0 +1,183 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
+menu "Platform selection"
+ depends on MMU
+
+comment "CPU Core family selection"
+
+config ARCH_MULTI_V4
+ bool "ARMv4 based platforms (FA526, StrongARM)"
+ depends on !ARCH_MULTI_V6_V7
+ # https://github.com/llvm/llvm-project/issues/50764
+ depends on !LD_IS_LLD || LLD_VERSION >= 160000
+ select ARCH_MULTI_V4_V5
+ select CPU_FA526 if !(CPU_SA110 || CPU_SA1100)
+
+config ARCH_MULTI_V4T
+ bool "ARMv4T based platforms (ARM720T, ARM920T, ...)"
+ depends on !ARCH_MULTI_V6_V7
+ # https://github.com/llvm/llvm-project/issues/50764
+ depends on !LD_IS_LLD || LLD_VERSION >= 160000
+ select ARCH_MULTI_V4_V5
+ select CPU_ARM920T if !(CPU_ARM7TDMI || CPU_ARM720T || \
+ CPU_ARM740T || CPU_ARM9TDMI || CPU_ARM922T || \
+ CPU_ARM925T || CPU_ARM940T)
+
+config ARCH_MULTI_V5
+ bool "ARMv5 based platforms (ARM926T, XSCALE, PJ1, ...)"
+ depends on !ARCH_MULTI_V6_V7
+ select ARCH_MULTI_V4_V5
+ select CPU_ARM926T if !(CPU_ARM946E || CPU_ARM1020 || \
+ CPU_ARM1020E || CPU_ARM1022 || CPU_ARM1026 || \
+ CPU_XSCALE || CPU_XSC3 || CPU_MOHAWK || CPU_FEROCEON)
+
+config ARCH_MULTI_V4_V5
+ bool
+
+config ARCH_MULTI_V6
+ bool "ARMv6 based platforms (ARM11)"
+ select ARCH_MULTI_V6_V7
+ select CPU_V6K
+
+config ARCH_MULTI_V7
+ bool "ARMv7 based platforms (Cortex-A, PJ4, Scorpion, Krait)"
+ default y
+ select ARCH_MULTI_V6_V7
+ select CPU_V7
+ select HAVE_SMP
+
+config ARCH_MULTI_V6_V7
+ bool
+ select MIGHT_HAVE_CACHE_L2X0
+
+config ARCH_MULTI_CPU_AUTO
+ def_bool !(ARCH_MULTI_V4 || ARCH_MULTI_V4T || ARCH_MULTI_V6_V7)
+ select ARCH_MULTI_V5
+
+endmenu
+
+config ARCH_VIRT
+ bool "Dummy Virtual Machine"
+ depends on ARCH_MULTI_V7
+ select ARM_AMBA
+ select ARM_GIC
+ select ARM_GIC_V2M if PCI
+ select ARM_GIC_V3
+ select ARM_GIC_V3_ITS if PCI
+ select ARM_PSCI
+ select HAVE_ARM_ARCH_TIMER
+
+config ARCH_AIROHA
+ bool "Airoha SoC Support"
+ depends on ARCH_MULTI_V7
+ select ARM_AMBA
+ select ARM_GIC
+ select ARM_GIC_V3
+ select ARM_PSCI
+ select HAVE_ARM_ARCH_TIMER
+ help
+ Support for Airoha EN7523 SoCs
+
+config MACH_ASM9260
+ bool "Alphascale ASM9260"
+ depends on ARCH_MULTI_V5
+ depends on CPU_LITTLE_ENDIAN
+ select CPU_ARM926T
+ select ASM9260_TIMER
+ help
+ Support for Alphascale ASM9260 based platform.
+
+menuconfig ARCH_MOXART
+ bool "MOXA ART SoC"
+ depends on ARCH_MULTI_V4
+ depends on CPU_LITTLE_ENDIAN
+ select CPU_FA526
+ select ARM_DMA_MEM_BUFFERABLE
+ select FARADAY_FTINTC010
+ select FTTMR010_TIMER
+ select GPIOLIB
+ select PHYLIB if NETDEVICES
+ help
+ Say Y here if you want to run your kernel on hardware with a
+ MOXA ART SoC.
+ The MOXA ART SoC is based on a Faraday FA526 ARMv4 32-bit
+ 192 MHz CPU with MMU and 16KB/8KB D/I-cache (UC-7112-LX).
+ Used on models UC-7101, UC-7112/UC-7110, IA240/IA241, IA3341.
+
+if ARCH_MOXART
+
+config MACH_UC7112LX
+ bool "MOXA UC-7112-LX"
+ depends on ARCH_MOXART
+ help
+ Say Y here if you intend to run this kernel on a MOXA
+ UC-7112-LX embedded computer.
+
+endif
+
+config ARCH_NSPIRE
+ bool "TI-NSPIRE based"
+ depends on ARCH_MULTI_V4T
+ depends on CPU_LITTLE_ENDIAN
+ select CPU_ARM926T
+ select GENERIC_IRQ_CHIP
+ select ARM_AMBA
+ select ARM_VIC
+ select ARM_TIMER_SP804
+ select NSPIRE_TIMER
+ select POWER_RESET
+ select POWER_RESET_SYSCON
+ help
+ This enables support for systems using the TI-NSPIRE CPU
+
+config ARCH_RDA
+ bool "RDA Micro SoCs"
+ depends on ARCH_MULTI_V7
+ select RDA_INTC
+ select RDA_TIMER
+ help
+ This enables support for the RDA Micro 8810PL SoC family.
+
+menuconfig ARCH_SUNPLUS
+ bool "Sunplus SoCs"
+ depends on ARCH_MULTI_V7
+ help
+ Support for Sunplus SoC family: SP7021 and succeeding SoC-based systems,
+ such as the Banana Pi BPI-F2S development board (and derivatives).
+ (<http://www.sinovoip.com.cn/ecp_view.asp?id=586>)
+ (<https://tibbo.com/store/plus1.html>)
+
+if ARCH_SUNPLUS
+
+config SOC_SP7021
+ bool "Sunplus SP7021 SoC support"
+ default ARCH_SUNPLUS
+ select HAVE_ARM_ARCH_TIMER
+ select ARM_GIC
+ select ARM_PSCI
+ select PINCTRL
+ select PINCTRL_SPPCTL
+ select SERIAL_SUNPLUS if TTY
+ select SERIAL_SUNPLUS_CONSOLE if TTY
+ help
+ Support for Sunplus SP7021 SoC. It is based on ARM 4-core
+ Cortex-A7 with various peripherals (e.g.: I2C, SPI, SDIO,
+ Ethernet, etc.), FPGA interface, chip-to-chip bus.
+ It is designed for industrial control.
+
+endif
+
+config ARCH_UNIPHIER
+ bool "Socionext UniPhier SoCs"
+ depends on ARCH_MULTI_V7
+ select ARCH_HAS_RESET_CONTROLLER
+ select ARM_AMBA
+ select ARM_GLOBAL_TIMER
+ select ARM_GIC
+ select HAVE_ARM_SCU
+ select HAVE_ARM_TWD if SMP
+ select PINCTRL
+ select RESET_CONTROLLER
+ help
+ Support for UniPhier SoC family developed by Socionext Inc.
+ (formerly, System LSI Business Division of Panasonic Corporation)