Rather than have a long and if check in the Makefile, mark the default lowlevel_init function as weak (as we do on armv8) so that SoCs can override it if needed, and it will still be discarded if unused. Provide a weak s_init as well to allow for this to link and be discarded.
Signed-off-by: Tom Rini trini@konsulko.com --- arch/arm/cpu/armv7/Makefile | 2 -- arch/arm/cpu/armv7/lowlevel_init.S | 10 +++++++++- 2 files changed, 9 insertions(+), 3 deletions(-)
diff --git a/arch/arm/cpu/armv7/Makefile b/arch/arm/cpu/armv7/Makefile index 5fac252c0e00..45dd3caec6b3 100644 --- a/arch/arm/cpu/armv7/Makefile +++ b/arch/arm/cpu/armv7/Makefile @@ -12,11 +12,9 @@ obj-y += cache_v7.o cache_v7_asm.o obj-y += cpu.o cp15.o obj-y += syslib.o
-ifneq ($(CONFIG_AM43XX)$(CONFIG_AM33XX)$(CONFIG_OMAP44XX)$(CONFIG_OMAP54XX)$(CONFIG_TEGRA)$(CONFIG_MX6)$(CONFIG_MX7)$(CONFIG_TI81XX)$(CONFIG_AT91FAMILY)$(CONFIG_ARCH_SUNXI)$(CONFIG_ARCH_SOCFPGA)$(CONFIG_ARCH_MX7ULP)$(CONFIG_ARCH_LS1021A),) ifneq ($(CONFIG_SKIP_LOWLEVEL_INIT),y) obj-y += lowlevel_init.o endif -endif
obj-$(CONFIG_ARM_SMCCC) += smccc-call.o obj-$(CONFIG_ARMV7_NONSEC) += nonsec_virt.o virt-v7.o virt-dt.o diff --git a/arch/arm/cpu/armv7/lowlevel_init.S b/arch/arm/cpu/armv7/lowlevel_init.S index 658934d664a4..64f105864f87 100644 --- a/arch/arm/cpu/armv7/lowlevel_init.S +++ b/arch/arm/cpu/armv7/lowlevel_init.S @@ -15,7 +15,14 @@ #include <config.h> #include <linux/linkage.h>
-ENTRY(lowlevel_init) +.pushsection .text.s_init, "ax" +WEAK(s_init) + bx lr +ENDPROC(s_init) +.popsection + +.pushsection .text.lowlevel_init, "ax" +WEAK(lowlevel_init) /* * Setup a temporary stack. Global data is not available yet. */ @@ -61,3 +68,4 @@ ENTRY(lowlevel_init) bl s_init pop {ip, pc} ENDPROC(lowlevel_init) +.popsection