sh: Use -m2a-nofpu only

[people/ms/u-boot.git] / drivers / core / Kconfig

diff --git a/drivers/core/Kconfig b/drivers/core/Kconfig
index f332480e1d89eebeef28a2305468b57f3f3a577d..e8ba20ca82d362316e9edfc3e4e6967f04ea7559 100644 (file)
--- a/drivers/core/Kconfig
+++ b/drivers/core/Kconfig
@@ -16,10 +16,24 @@ config SPL_DM
          suitable malloc() implementation. If you are not using the
          full malloc() enabled by CONFIG_SYS_SPL_MALLOC_START,
          consider using CONFIG_SYS_MALLOC_SIMPLE. In that case you
-         must provide CONFIG_SYS_MALLOC_F_LEN to set the size.
+         must provide CONFIG_SPL_SYS_MALLOC_F_LEN to set the size.
          In most cases driver model will only allocate a few uclasses
          and devices in SPL, so 1KB should be enable. See
-         CONFIG_SYS_MALLOC_F_LEN for more details on how to enable it.
+         CONFIG_SPL_SYS_MALLOC_F_LEN for more details on how to enable it.
+
+config TPL_DM
+       bool "Enable Driver Model for TPL"
+       depends on DM && TPL
+       help
+         Enable driver model in TPL. You will need to provide a
+         suitable malloc() implementation. If you are not using the
+         full malloc() enabled by CONFIG_SYS_SPL_MALLOC_START,
+         consider using CONFIG_SYS_MALLOC_SIMPLE. In that case you
+         must provide CONFIG_SPL_SYS_MALLOC_F_LEN to set the size.
+         In most cases driver model will only allocate a few uclasses
+         and devices in SPL, so 1KB should be enough. See
+         CONFIG_SPL_SYS_MALLOC_F_LEN for more details on how to enable it.
+         Disable this for very small implementations.
 
 config DM_WARN
        bool "Enable warnings in driver model"
@@ -31,6 +45,12 @@ config DM_WARN
          This will cause dm_warn() to be compiled out - it will do nothing
          when called.
 
+config DM_DEBUG
+       bool "Enable debug messages in driver model core"
+       depends on DM
+       help
+         Say Y here if you want to compile in debug messages in DM core.
+
 config DM_DEVICE_REMOVE
        bool "Support device removal"
        depends on DM
@@ -57,6 +77,15 @@ config DM_SEQ_ALIAS
        bool "Support numbered aliases in device tree"
        depends on DM
        default y
+       help
+         Most boards will have a '/aliases' node containing the path to
+         numbered devices (e.g. serial0 = &serial0). This feature can be
+         disabled if it is not required.
+
+config SPL_DM_SEQ_ALIAS
+       bool "Support numbered aliases in device tree in SPL"
+       depends on DM
+       default n
        help
          Most boards will have a '/aliases' node containing the path to
          numbered devices (e.g. serial0 = &serial0). This feature can be
@@ -74,7 +103,17 @@ config REGMAP
 
 config SPL_REGMAP
        bool "Support register maps in SPL"
-       depends on DM
+       depends on SPL_DM
+       help
+         Hardware peripherals tend to have one or more sets of registers
+         which can be accessed to control the hardware. A register map
+         models this with a simple read/write interface. It can in principle
+         support any bus type (I2C, SPI) but so far this only supports
+         direct memory access.
+
+config TPL_REGMAP
+       bool "Support register maps in TPL"
+       depends on TPL_DM
        help
          Hardware peripherals tend to have one or more sets of registers
          which can be accessed to control the hardware. A register map
@@ -93,7 +132,16 @@ config SYSCON
 
 config SPL_SYSCON
        bool "Support system controllers in SPL"
-       depends on REGMAP
+       depends on SPL_REGMAP
+       help
+         Many SoCs have a number of system controllers which are dealt with
+         as a group by a single driver. Some common functionality is provided
+         by this uclass, including accessing registers via regmap and
+         assigning a unique number to each.
+
+config TPL_SYSCON
+       bool "Support system controllers in TPL"
+       depends on TPL_REGMAP
        help
          Many SoCs have a number of system controllers which are dealt with
          as a group by a single driver. Some common functionality is provided
@@ -169,4 +217,31 @@ config SPL_OF_TRANSLATE
          used for the address translation. This function is faster and
          smaller in size than fdt_translate_address().
 
+config OF_ISA_BUS
+       bool
+       depends on OF_TRANSLATE
+       help
+         Is this option is enabled then support for the ISA bus will
+         be included for addresses read from DT. This is something that
+         should be known to be required or not based upon the board
+         being targetted, and whether or not it makes use of an ISA bus.
+
+         The bus is matched based upon its node name equalling "isa". The
+         busses #address-cells should equal 2, with the first cell being
+         used to hold flags & flag 0x1 indicating that the address range
+         should be accessed using I/O port in/out accessors. The second
+         cell holds the offset into ISA bus address space. The #size-cells
+         property should equal 1, and of course holds the size of the
+         address range used by a device.
+
+         If this option is not enabled then support for the ISA bus is
+         not included and any such busses used in DT will be treated as
+         typical simple-bus compatible busses. This will lead to
+         mistranslation of device addresses, so ensure that this is
+         enabled if your board does include an ISA bus.
+
+config DM_DEV_READ_INLINE
+       bool
+       default y if !OF_LIVE
+
 endmenu