microblaze: Add option to pass cpu version number

Toolchain can use some flags by default based on cpu version.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>

diff --git a/board/xilinx/microblaze-generic/Kconfig b/board/xilinx/microblaze-generic/Kconfig
index 01c157e7155996b8821b2658df74f477f00d4154..c8b11ca82eea2f18e1cde715022821ae55aa93c6 100644 (file)
--- a/board/xilinx/microblaze-generic/Kconfig
+++ b/board/xilinx/microblaze-generic/Kconfig
@@ -25,4 +25,8 @@ config XILINX_MICROBLAZE0_USE_HW_MUL
        int "USE_HW_MUL values (0=NONE, 1=MUL32, 2=MUL64)"
        default 0
 
+config XILINX_MICROBLAZE0_HW_VER
+       string "Core version number"
+       default 7.10.d
+
 endif

diff --git a/board/xilinx/microblaze-generic/config.mk b/board/xilinx/microblaze-generic/config.mk
index 4b033f7d9e38e4ba025c1b9ad22d1e8c009985f1..1dee2d6e3a5df056598103457490b831e217133d 100644 (file)
--- a/board/xilinx/microblaze-generic/config.mk
+++ b/board/xilinx/microblaze-generic/config.mk
@@ -6,6 +6,8 @@
 # SPDX-License-Identifier:     GPL-2.0+
 #
 
+CPU_VER := $(shell echo $(CONFIG_XILINX_MICROBLAZE0_HW_VER))
+
 # USE_HW_MUL can be 0, 1, or 2, defining a hierarchy of HW Mul support.
 CPUFLAGS-$(subst 1,,$(CONFIG_XILINX_MICROBLAZE0_USE_HW_MUL)) += -mxl-multiply-high
 CPUFLAGS-$(CONFIG_XILINX_MICROBLAZE0_USE_HW_MUL) += -mno-xl-soft-mul
@@ -13,4 +15,6 @@ CPUFLAGS-$(CONFIG_XILINX_MICROBLAZE0_USE_DIV) += -mno-xl-soft-div
 CPUFLAGS-$(CONFIG_XILINX_MICROBLAZE0_USE_BARREL) += -mxl-barrel-shift
 CPUFLAGS-$(CONFIG_XILINX_MICROBLAZE0_USE_PCMP_INSTR) += -mxl-pattern-compare
 
+CPUFLAGS-1 += $(call cc-option,-mcpu=v$(CPU_VER))
+
 PLATFORM_CPPFLAGS += $(CPUFLAGS-1) $(CPUFLAGS-2)