#
# For a description of the syntax of this configuration file,
-# see the file Documentation/kbuild/kconfig-language.txt in the
+# see the file Documentation/kbuild/kconfig-language.rst in the
# Linux kernel source tree.
#
mainmenu "U-Boot $(UBOOTVERSION) Configuration"
config NR_DRAM_BANKS
int "Number of DRAM banks"
- default 1 if ARCH_SUNXI || ARCH_OWL
+ default 1 if ARCH_SC5XX || ARCH_SUNXI || ARCH_OWL
+ default 2 if OMAP34XX
default 4
help
This defines the number of DRAM banks.
config HAS_CUSTOM_SYS_INIT_SP_ADDR
bool "Use a custom location for the initial stack pointer address"
depends on ARC || (ARM && !INIT_SP_RELATIVE) || MIPS || PPC || RISCV
+ default y if OMAP34XX || AM33XX || AM43XX || DRA7XX
default y if TFABOOT
help
Typically, we use an initial stack pointer address that is calculated
config CUSTOM_SYS_INIT_SP_ADDR
hex "Static location for the initial stack pointer"
depends on HAS_CUSTOM_SYS_INIT_SP_ADDR
+ default 0x4020ff00 if OMAP34XX
+ default 0x4030ff00 if AM33XX
+ default 0x4033ff00 if AM43XX
+ default 0x4037ff00 if DRA7XX
default TEXT_BASE if TFABOOT
config SYS_MALLOC_F
hex "Size of malloc() pool before relocation"
depends on SYS_MALLOC_F
default 0x400 if M68K || PPC || ROCKCHIP_PX30 || ROCKCHIP_RK3036 || \
- ROCKCHIP_RK3308 || ROCKCHIP_RV1108
+ ROCKCHIP_RV1108
default 0x600 if ARCH_ZYNQMP_R5 || ARCH_ZYNQMP
default 0x800 if ARCH_ZYNQ || ROCKCHIP_RK3128 || ROCKCHIP_RK3188 || \
ROCKCHIP_RK322X || X86
default 0x10000 if ARCH_IMX8 || ARCH_IMX8M
default 0x2000
help
- Before relocation, memory is very limited on many platforms. Still,
- we can provide a small malloc() pool if needed. Driver model in
- particular needs this to operate, so that it can allocate the
- initial serial device and any others that are needed.
+ Size of the malloc() pool for use before relocation. If
+ this is defined, then a very simple malloc() implementation
+ will become available before relocation. The address is just
+ below the global data, and the stack is moved down to make
+ space.
+
+ This feature allocates regions with increasing addresses
+ within the region. calloc() is supported, but realloc()
+ is not available. free() is supported but does nothing.
+ The memory will be freed (or in fact just forgotten) when
+ U-Boot relocates itself.
config SYS_MALLOC_LEN
hex "Define memory for Dynamic allocation"
This defines memory to be allocated for Dynamic allocation
TODO: Use for other architectures
+config SPL_SYS_MALLOC_F
+ bool "Enable malloc() pool in SPL"
+ depends on SPL_FRAMEWORK && SYS_MALLOC_F && SPL
+ default y
+ help
+ In SPL memory is very limited on many platforms. Still,
+ we can provide a small malloc() pool if needed. Driver model in
+ particular needs this to operate, so that it can allocate the
+ initial serial device and any others that are needed.
+
config SPL_SYS_MALLOC_F_LEN
hex "Size of malloc() pool in SPL"
- depends on SYS_MALLOC_F && SPL
- default 0x0 if !SPL_FRAMEWORK
+ depends on SPL_SYS_MALLOC_F
default 0x2800 if RCAR_GEN3
default 0x2000 if IMX8MQ
default SYS_MALLOC_F_LEN
help
- In SPL memory is very limited on many platforms. Still,
- we can provide a small malloc() pool if needed. Driver model in
- particular needs this to operate, so that it can allocate the
- initial serial device and any others that are needed.
+ Sets the size of the malloc() pool in SPL. This is used for
+ driver model and other features, which must allocate memory for
+ data structures.
- It is possible to enable CFG_SYS_SPL_MALLOC_START to start a new
+ It is possible to enable CFG_SPL_SYS_MALLOC_START to start a new
malloc() region in SDRAM once it is inited.
-config TPL_SYS_MALLOC_F_LEN
- hex "Size of malloc() pool in TPL"
+config TPL_SYS_MALLOC_F
+ bool "Enable malloc() pool in TPL"
depends on SYS_MALLOC_F && TPL
- default SPL_SYS_MALLOC_F_LEN
+ default y if SPL_SYS_MALLOC_F
help
In TPL memory is very limited on many platforms. Still,
we can provide a small malloc() pool if needed. Driver model in
particular needs this to operate, so that it can allocate the
initial serial device and any others that are needed.
+config TPL_SYS_MALLOC_F_LEN
+ hex "Size of malloc() pool in TPL"
+ depends on TPL_SYS_MALLOC_F
+ default SPL_SYS_MALLOC_F_LEN
+ help
+ Sets the size of the malloc() pool in TPL. This is used for
+ driver model and other features, which must allocate memory for
+ data structures.
+
config VALGRIND
bool "Inform valgrind about memory allocations"
depends on !RISCV
it can be handled accurately by Valgrind. If you aren't planning on
using valgrind to debug U-Boot, say 'n'.
-config VPL_SYS_MALLOC_F_LEN
- hex "Size of malloc() pool in VPL before relocation"
+config VPL_SYS_MALLOC_F
+ bool "Enable malloc() pool in VPL"
depends on SYS_MALLOC_F && VPL
- default SYS_MALLOC_F_LEN
+ default y if SPL_SYS_MALLOC_F
help
- Before relocation, memory is very limited on many platforms. Still,
+ In VPL memory is very limited on many platforms. Still,
we can provide a small malloc() pool if needed. Driver model in
particular needs this to operate, so that it can allocate the
initial serial device and any others that are needed.
+config VPL_SYS_MALLOC_F_LEN
+ hex "Size of malloc() pool in VPL before relocation"
+ depends on VPL_SYS_MALLOC_F
+ default SPL_SYS_MALLOC_F_LEN
+ help
+ Sets the size of the malloc() pool in VPL. This is used for
+ driver model and other features, which must allocate memory for
+ data structures.
+
menuconfig EXPERT
bool "Configure standard U-Boot features (expert users)"
default y
When disabling this, please check if malloc calls, maybe
should be replaced by calloc - if one expects zeroed memory.
+config SPL_SYS_MALLOC_CLEAR_ON_INIT
+ bool "Init with zeros the memory reserved for malloc (slow) in SPL"
+ depends on SPL
+ default SYS_MALLOC_CLEAR_ON_INIT
+ help
+ Same as SYS_MALLOC_CLEAR_ON_INIT, but for SPL. It's possible to
+ Enable it without SYS_MALLOC_CLEAR_ON_INIT. It's useful for boards
+ that must have particular memory regions zero'ed before first use.
+ If SYS_SPL_MALLOC_START is configured to be in such region, this
+ option should be enabled.
+
config SYS_MALLOC_DEFAULT_TO_INIT
bool "Default malloc to init while reserving the memory for it"
help
config HAS_BOARD_SIZE_LIMIT
bool "Define a maximum size for the U-Boot image"
- default y if RCAR_64
+ default y if RCAR_32 || RCAR_64
help
In some cases, we need to enforce a hard limit on how big the U-Boot
image itself can be.
config BOARD_SIZE_LIMIT
int "Maximum size of the U-Boot image in bytes"
+ default 524288 if RCAR_32
default 1048576 if RCAR_64
depends on HAS_BOARD_SIZE_LIMIT
help
default 0x12000000 if ARCH_MX6 && !(MX6SL || MX6SLL || MX6SX || MX6UL || MX6ULL)
default 0x80800000 if ARCH_MX7
default 0x90000000 if FSL_LSCH2 || FSL_LSCH3
+ default 0x0 if ARCH_SC5XX
help
Address in memory to use as the default safe load address.
hex "Define max stack size that can be used by U-Boot"
default 0x4000000 if ARCH_VERSAL_NET || ARCH_VERSAL || ARCH_ZYNQMP
default 0x200000 if MICROBLAZE
+ default 0x4000 if ARCH_STM32
default 0x1000000
help
Define Max stack size that can be used by U-Boot. This value is used
WARNING: Please make sure that this value is a multiple of the OS
page size.
-config SYS_HAS_SRAM
- bool
- default y if TARGET_PIC32MZDASK
- default y if TARGET_DEVKIT8000
- default y if TARGET_TRICORDER
- help
- Enable this to allow support for the on board SRAM.
- SRAM base address is controlled by CONFIG_SYS_SRAM_BASE.
- SRAM size is controlled by CONFIG_SYS_SRAM_SIZE.
-
-config SYS_SRAM_BASE
- hex
- default 0x80000000 if TARGET_PIC32MZDASK
- default 0x40200000 if TARGET_DEVKIT8000
- default 0x40200000 if TARGET_TRICORDER
- default 0x0
-
-config SYS_SRAM_SIZE
- hex
- default 0x00080000 if TARGET_PIC32MZDASK
- default 0x10000 if TARGET_DEVKIT8000
- default 0x10000 if TARGET_TRICORDER
- default 0x0
-
config SYS_MONITOR_LEN
int "Maximum size in bytes reserved for U-Boot in memory"
default 1048576 if X86
+ default 262144 if OMAP34XX
default 786432 if ARCH_SUNXI
default 0
help
This provides an option to bringup different processors
in multiprocessor cases.
+config HAVE_TEXT_BASE
+ bool
+ depends on !NIOS2 && !XTENSA
+ depends on !EFI_APP
+ default y
+
+config TEXT_BASE
+ depends on HAVE_TEXT_BASE
+ default 0x0 if POSITION_INDEPENDENT
+ default 0x17800000 if ARCH_MX6
+ default 0x87800000 if ARCH_MX7
+ default 0x80800000 if ARCH_OMAP2PLUS || ARCH_K3
+ default 0x81700000 if MACH_SUNIV
+ default 0x2a000000 if MACH_SUN9I
+ default 0x4a000000 if SUNXI_MINIMUM_DRAM_MB >= 256
+ default 0x42e00000 if SUNXI_MINIMUM_DRAM_MB >= 64
+ default 0x96000000 if ARCH_SC5XX && SC59X_64
+ default 0xB2200000 if ARCH_SC5XX && SC59X
+ default 0x89200000 if ARCH_SC5XX && TARGET_SC584_EZKIT
+ default 0xC2200000 if ARCH_SC5XX && (TARGET_SC589_EZKIT || TARGET_SC589_MINI)
+ default 0x82200000 if ARCH_SC5XX && SC57X
+ hex "Text Base"
+ help
+ The address in memory that U-Boot will be copied and executed from
+ initially.
+
+config HAVE_SYS_UBOOT_START
+ bool "Use custom U-Boot Start"
+ depends on HAVE_TEXT_BASE
+ help
+ By default, the address in memory that U-Boot will be copied from
+ (TEXT_BASE) and the entry point are the same. Select this to start the
+ execution of U-Boot from a different address.
+ This may be required if a header or vector table needs to be copied
+ but not executed.
+
+config SYS_UBOOT_START
+ hex
+ depends on HAVE_TEXT_BASE
+ default TEXT_BASE
+ prompt "U-Boot entry" if HAVE_SYS_UBOOT_START
+ help
+ If TEXT_BASE differs from the start of execution, this sets the
+ address in memory that U-Boot will start execution from initially.
+
+config HAVE_SYS_MONITOR_BASE
+ bool
+ depends on ARC || MIPS || M68K || NIOS2 || PPC || XTENSA || X86 \
+ || ENV_IS_IN_FLASH || MTD_NOR_FLASH
+ depends on !EFI_APP
+ default y
+
+config SYS_MONITOR_BASE
+ depends on HAVE_SYS_MONITOR_BASE
+ hex "Physical start address of boot monitor code"
+ default TEXT_BASE
+ help
+ The physical start address of boot monitor code (which is the same as
+ CONFIG_TEXT_BASE when linking) and the same as CFG_SYS_FLASH_BASE
+ when booting from flash.
+
+config SPL_SYS_MONITOR_BASE
+ depends on MPC85xx && SPL && HAVE_SYS_MONITOR_BASE
+ hex "Physical start address of SPL monitor code"
+ default SPL_TEXT_BASE
+
+config TPL_SYS_MONITOR_BASE
+ depends on MPC85xx && TPL && HAVE_SYS_MONITOR_BASE
+ hex "Physical start address of TPL monitor code"
+
+config DYNAMIC_SYS_CLK_FREQ
+ bool "Determine CPU clock frequency at run-time"
+ help
+ Implement a get_board_sys_clk function that will determine the CPU
+ clock frequency at run time, rather than define it statically.
+
+config SYS_CLK_FREQ
+ depends on !DYNAMIC_SYS_CLK_FREQ
+ int "CPU clock frequency"
+ default 125000000 if ARCH_LS1012A
+ default 100000000 if ARCH_P2020 || ARCH_T1024 || ARCH_T1042 || \
+ ARCH_LS1021A || FSL_LSCH2 || FSL_LSCH3
+ default 66666666 if ARCH_P1010 || ARCH_P1020 || ARCH_T4240
+ default 66660000 if ARCH_T2080
+ default 33333333 if RCAR_GEN3
+ default 24000000 if ARCH_EXYNOS
+ default 20000000 if RCAR_GEN2
+ default 0
+ help
+ A static value for the CPU frequency. Note that if not required
+ for a given SoC, this can be left at 0.
+
+config HAS_LDR
+ bool
+ help
+ Enables building .ldr targets for U-Boot and SPL. This does not
+ automatically build any additional targets with make or buildman.
+
+config LDR_CPU
+ string "CPU name to be passed to LDR utility."
+ depends on HAS_LDR
+ help
+ Set the CPU name for the -T parameter in the LDR utility. This is
+ generally used on processors from Analog Devices, but may be also
+ be useful for other vendors.
+
source "api/Kconfig"
endmenu # General setup
source "env/Kconfig"
+menu Networking
+
+choice
+ prompt "Networking stack"
+ default NET
+
+config NO_NET
+ bool "No networking support"
+ help
+ Do not include networking support
+
+config NET
+ bool "Legacy U-Boot networking stack"
+ imply NETDEVICES
+ help
+ Include networking support with U-Boot's internal implementation of
+ the TCP/IP protocol stack.
+
+config NET_LWIP
+ bool "Use lwIP for networking stack"
+ imply NETDEVICES
+ help
+ Include networking support based on the lwIP (lightweight IP)
+ TCP/IP stack (https://nongnu.org/lwip). This is a replacement for
+ the default U-Boot network stack and applications located in net/
+ and enabled via CONFIG_NET as well as other pieces of code that
+ depend on CONFIG_NET (such as cmd/net.c enabled via CONFIG_CMD_NET).
+ Therefore the two symbols CONFIG_NET and CONFIG_NET_LWIP are mutually
+ exclusive.
+
+endchoice
+
source "net/Kconfig"
+endmenu
+
source "drivers/Kconfig"
source "fs/Kconfig"
projects / u-boot.git / blobdiff