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-rw-r--r--arch/Kconfig90
1 files changed, 86 insertions, 4 deletions
diff --git a/arch/Kconfig b/arch/Kconfig
index 8f8daad..3e2cc84 100644
--- a/arch/Kconfig
+++ b/arch/Kconfig
@@ -7,6 +7,27 @@ config HAVE_ARCH_IOREMAP
config NEEDS_MANUAL_RELOC
bool
+config SYS_CACHE_SHIFT_4
+ bool
+
+config SYS_CACHE_SHIFT_5
+ bool
+
+config SYS_CACHE_SHIFT_6
+ bool
+
+config SYS_CACHE_SHIFT_7
+ bool
+
+config SYS_CACHELINE_SIZE
+ int
+ default 128 if SYS_CACHE_SHIFT_7
+ default 64 if SYS_CACHE_SHIFT_6
+ default 32 if SYS_CACHE_SHIFT_5
+ default 16 if SYS_CACHE_SHIFT_4
+ # Fall-back for MIPS
+ default 32 if MIPS
+
config LINKER_LIST_ALIGN
int
default 32 if SANDBOX
@@ -29,6 +50,7 @@ config ARC
select DM
select HAVE_PRIVATE_LIBGCC
select SUPPORT_OF_CONTROL
+ select SYS_CACHE_SHIFT_7
select TIMER
config ARM
@@ -44,6 +66,7 @@ config M68K
select NEEDS_MANUAL_RELOC
select SYS_BOOT_GET_CMDLINE
select SYS_BOOT_GET_KBD
+ select SYS_CACHE_SHIFT_4
select SUPPORT_OF_CONTROL
config MICROBLAZE
@@ -97,7 +120,7 @@ config RISCV
imply SPL_OF_CONTROL
imply SPL_LIBCOMMON_SUPPORT
imply SPL_LIBGENERIC_SUPPORT
- imply SPL_SERIAL_SUPPORT
+ imply SPL_SERIAL
imply SPL_TIMER
config SANDBOX
@@ -122,6 +145,7 @@ config SANDBOX
select SPI
select SUPPORT_OF_CONTROL
select SYSRESET_CMD_POWEROFF
+ select SYS_CACHE_SHIFT_4
select IRQ
select SUPPORT_EXTENSION_SCAN
imply BITREVERSE
@@ -187,6 +211,7 @@ config X86
select OF_CONTROL
select PCI
select SUPPORT_OF_CONTROL
+ select SYS_CACHE_SHIFT_6
select TIMER
select USE_PRIVATE_LIBGCC
select X86_TSC_TIMER
@@ -233,9 +258,9 @@ config X86
imply SPL_PINCTRL
imply SPL_LIBCOMMON_SUPPORT
imply SPL_LIBGENERIC_SUPPORT
- imply SPL_SERIAL_SUPPORT
+ imply SPL_SERIAL
imply SPL_SPI_FLASH_SUPPORT
- imply SPL_SPI_SUPPORT
+ imply SPL_SPI
imply SPL_OF_CONTROL
imply SPL_TIMER
imply SPL_REGMAP
@@ -247,7 +272,7 @@ config X86
imply TPL_PINCTRL
imply TPL_LIBCOMMON_SUPPORT
imply TPL_LIBGENERIC_SUPPORT
- imply TPL_SERIAL_SUPPORT
+ imply TPL_SERIAL
imply TPL_OF_CONTROL
imply TPL_TIMER
imply TPL_REGMAP
@@ -325,6 +350,63 @@ config SYS_DISABLE_DCACHE_OPS
Note that, its up to the individual architectures to implement
this functionality.
+config SKIP_LOWLEVEL_INIT
+ bool "Skip the calls to certain low level initialization functions"
+ depends on ARM || NDS32 || MIPS || RISCV
+ help
+ If enabled, then certain low level initializations (like setting up
+ the memory controller) are omitted and/or U-Boot does not relocate
+ itself into RAM.
+ Normally this variable MUST NOT be defined. The only exception is
+ when U-Boot is loaded (to RAM) by some other boot loader or by a
+ debugger which performs these initializations itself.
+
+config SPL_SKIP_LOWLEVEL_INIT
+ bool "Skip the calls to certain low level initialization functions"
+ depends on SPL && (ARM || NDS32 || MIPS || RISCV)
+ help
+ If enabled, then certain low level initializations (like setting up
+ the memory controller) are omitted and/or U-Boot does not relocate
+ itself into RAM.
+ Normally this variable MUST NOT be defined. The only exception is
+ when U-Boot is loaded (to RAM) by some other boot loader or by a
+ debugger which performs these initializations itself.
+
+config TPL_SKIP_LOWLEVEL_INIT
+ bool "Skip the calls to certain low level initialization functions"
+ depends on SPL && ARM
+ help
+ If enabled, then certain low level initializations (like setting up
+ the memory controller) are omitted and/or U-Boot does not relocate
+ itself into RAM.
+ Normally this variable MUST NOT be defined. The only exception is
+ when U-Boot is loaded (to RAM) by some other boot loader or by a
+ debugger which performs these initializations itself.
+
+config SKIP_LOWLEVEL_INIT_ONLY
+ bool "Skip the call to lowlevel_init during early boot ONLY"
+ depends on ARM
+ help
+ This allows just the call to lowlevel_init() to be skipped. The
+ normal CP15 init (such as enabling the instruction cache) is still
+ performed.
+
+config SPL_SKIP_LOWLEVEL_INIT_ONLY
+ bool "Skip the call to lowlevel_init during early boot ONLY"
+ depends on SPL && ARM
+ help
+ This allows just the call to lowlevel_init() to be skipped. The
+ normal CP15 init (such as enabling the instruction cache) is still
+ performed.
+
+config TPL_SKIP_LOWLEVEL_INIT_ONLY
+ bool "Skip the call to lowlevel_init during early boot ONLY"
+ depends on TPL && ARM
+ help
+ This allows just the call to lowlevel_init() to be skipped. The
+ normal CP15 init (such as enabling the instruction cache) is still
+ performed.
+
source "arch/arc/Kconfig"
source "arch/arm/Kconfig"
source "arch/m68k/Kconfig"