diff options
Diffstat (limited to 'arch/arm/Kconfig')
| -rw-r--r-- | arch/arm/Kconfig | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 7c5012acdf..d6b0cea63f 100644 --- 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 @@ -595,6 +615,7 @@ 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" @@ -654,6 +675,7 @@ config OMAP34XX imply SPL_NAND_SUPPORT imply SPL_POWER_SUPPORT imply SPL_SERIAL_SUPPORT + imply SYS_THUMB_BUILD config OMAP44XX bool "OMAP44XX SoC" @@ -671,11 +693,13 @@ 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 @@ -693,6 +717,7 @@ 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 @@ -703,6 +728,7 @@ 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 @@ -715,6 +741,7 @@ config ARCH_RMOBILE select DM select DM_SERIAL select BOARD_EARLY_INIT_F + imply SYS_THUMB_BUILD config TARGET_S32V234EVB bool "Support s32v234evb" @@ -744,6 +771,7 @@ 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" @@ -766,6 +794,7 @@ 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 @@ -1095,6 +1124,7 @@ config STM32 select CPU_V7M select DM select DM_SERIAL + select SYS_THUMB_BUILD config ARCH_STI bool "Support STMicrolectronics SoCs" @@ -1114,6 +1144,7 @@ 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 |