Merge branch 'master' of git://www.denx.de/git/u-boot-imx

[people/ms/u-boot.git] / arch / arm / Kconfig

diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index b1f78520d09ea620f26cf99173bdc46d89173551..b758745f4a6962f7f3c12c9c32b5857ad30a4e02 100644 (file)
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -181,6 +181,25 @@ config SEMIHOSTING
          the hosted environment to call out to the emulator to
          retrieve files from the host machine.
 
+config SYS_THUMB_BUILD
+       bool "Build U-Boot using the Thumb instruction set"
+       depends on !ARM64
+       help
+          Use this flag to build U-Boot using the Thumb instruction set for
+          ARM architectures. Thumb instruction set provides better code
+          density. For ARM architectures that support Thumb2 this flag will
+          result in Thumb2 code generated by GCC.
+
+config SPL_SYS_THUMB_BUILD
+       bool "Build SPL using the Thumb instruction set"
+       default y if SYS_THUMB_BUILD
+       depends on !ARM64
+       help
+          Use this flag to build SPL using the Thumb instruction set for
+          ARM architectures. Thumb instruction set provides better code
+          density. For ARM architectures that support Thumb2 this flag will
+          result in Thumb2 code generated by GCC.
+
 config SYS_L2CACHE_OFF
        bool "L2cache off"
        help
@@ -571,6 +590,7 @@ config ARCH_KEYSTONE
        bool "TI Keystone"
        select CPU_V7
        select SUPPORT_SPL
+       select SYS_THUMB_BUILD
        select CMD_POWEROFF
 
 config ARCH_MESON
@@ -600,6 +620,7 @@ config ARCH_MX6
        select SYS_FSL_HAS_SEC if SECURE_BOOT
        select SYS_FSL_SEC_COMPAT_4
        select SYS_FSL_SEC_LE
+       select SYS_THUMB_BUILD if SPL
 
 config ARCH_MX5
        bool "Freescale MX5"
@@ -659,6 +680,7 @@ config OMAP34XX
        imply SPL_NAND_SUPPORT
        imply SPL_POWER_SUPPORT
        imply SPL_SERIAL_SUPPORT
+       imply SYS_THUMB_BUILD
 
 config OMAP44XX
        bool "OMAP44XX SoC"
@@ -676,11 +698,13 @@ config OMAP44XX
        imply SPL_NAND_SUPPORT
        imply SPL_POWER_SUPPORT
        imply SPL_SERIAL_SUPPORT
+       imply SYS_THUMB_BUILD
 
 config OMAP54XX
        bool "OMAP54XX SoC"
        select ARCH_OMAP2
        select ARM_ERRATA_798870
+       select SYS_THUMB_BUILD
        imply SPL_DISPLAY_PRINT
        imply SPL_ENV_SUPPORT
        imply SPL_EXT_SUPPORT
@@ -698,6 +722,7 @@ config OMAP54XX
 config AM43XX
        bool "AM43XX SoC"
        select ARCH_OMAP2
+       imply SYS_THUMB_BUILD
        help
          Support for AM43xx SOC from Texas Instruments.
          The AM43xx high performance SOC features a Cortex-A9
@@ -708,6 +733,7 @@ config AM43XX
 config AM33XX
        bool "AM33XX SoC"
        select ARCH_OMAP2
+       imply SYS_THUMB_BUILD
        help
          Support for AM335x SOC from Texas Instruments.
          The AM335x high performance SOC features a Cortex-A8
@@ -720,6 +746,7 @@ config ARCH_RMOBILE
        select DM
        select DM_SERIAL
        select BOARD_EARLY_INIT_F
+       imply SYS_THUMB_BUILD
 
 config TARGET_S32V234EVB
        bool "Support s32v234evb"
@@ -749,6 +776,7 @@ config ARCH_SOCFPGA
        select ARCH_EARLY_INIT_R
        select ARCH_MISC_INIT
        select SYS_MMCSD_RAW_MODE_U_BOOT_USE_PARTITION
+       select SYS_THUMB_BUILD
 
 config TARGET_CM_T43
        bool "Support cm_t43"
@@ -771,6 +799,7 @@ config ARCH_SUNXI
        select SPL_STACK_R if SUPPORT_SPL
        select SPL_SYS_MALLOC_SIMPLE if SUPPORT_SPL
        select SYS_NS16550
+       select SPL_SYS_THUMB_BUILD if !ARM64
        select USB if DISTRO_DEFAULTS
        select USB_STORAGE if DISTRO_DEFAULTS
        select USB_KEYBOARD if DISTRO_DEFAULTS
@@ -810,6 +839,9 @@ config ARCH_ZYNQ
        select SPL_SEPARATE_BSS if SPL
        select DM_USB if USB
        select BLK
+       select CLK
+       select SPL_CLK
+       select CLK_ZYNQ
 
 config ARCH_ZYNQMP
        bool "Support Xilinx ZynqMP Platform"
@@ -1077,6 +1109,7 @@ config STM32
        select CPU_V7M
        select DM
        select DM_SERIAL
+       select SYS_THUMB_BUILD
 
 config ARCH_STI
        bool "Support STMicrolectronics SoCs"
@@ -1096,6 +1129,7 @@ config ARCH_ROCKCHIP
        select DM
        select SPL_DM if SPL
        select SYS_MALLOC_F
+       select SYS_THUMB_BUILD if !ARM64
        select SPL_SYS_MALLOC_SIMPLE if SPL
        select DM_GPIO
        select DM_I2C