omap4: Add smc API to read AuxCoreBoot0 register
This patch adds a secure API to read AuxCoreBoot0 register to
check the cpu boot status. It also moves the other smc APIs
to common omap44xx-smc.S. This APIs should not be marked as
__INIT because we need these to be present for CPU hotplug
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
diff --git a/arch/arm/mach-omap2/omap44xx-smc.S b/arch/arm/mach-omap2/omap44xx-smc.S
index f61c777..1980dc3 100644
--- a/arch/arm/mach-omap2/omap44xx-smc.S
+++ b/arch/arm/mach-omap2/omap44xx-smc.S
@@ -30,3 +30,28 @@
smc #0
ldmfd sp!, {r2-r12, pc}
END(omap_smc1)
+
+ENTRY(omap_modify_auxcoreboot0)
+ stmfd sp!, {r1-r12, lr}
+ ldr r12, =0x104
+ dsb
+ smc #0
+ ldmfd sp!, {r1-r12, pc}
+END(omap_modify_auxcoreboot0)
+
+ENTRY(omap_auxcoreboot_addr)
+ stmfd sp!, {r2-r12, lr}
+ ldr r12, =0x105
+ dsb
+ smc #0
+ ldmfd sp!, {r2-r12, pc}
+END(omap_auxcoreboot_addr)
+
+ENTRY(omap_read_auxcoreboot0)
+ stmfd sp!, {r2-r12, lr}
+ ldr r12, =0x103
+ dsb
+ smc #0
+ mov r0, r0, lsr #9
+ ldmfd sp!, {r2-r12, pc}
+END(omap_read_auxcoreboot0)