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>

1 files changed, 25 insertions, 0 deletions

diff --git a/arch/arm/mach-omap2/omap44xx-smc.S b/arch/arm/mach-omap2/omap44xx-smc.S
index f61c7771ca47..1980dc31a1a2 100644
--- a/arch/arm/mach-omap2/omap44xx-smc.S
+++ b/arch/arm/mach-omap2/omap44xx-smc.S
@@ -30,3 +30,28 @@ ENTRY(omap_smc1)
         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)