ARM: sunxi: Share sun6i PSCI backend with sun8i

sun8i can share the PSCI backend with sun6i. Only difference
is sun8i does not have CPU power clamp controls.

Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Acked-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>

arch/arm/cpu/armv7/sunxi/Makefile

@@ -37,6 +37,7 @@ ifndef CONFIG_SPL_BUILD
 ifdef CONFIG_ARMV7_PSCI
 obj-$(CONFIG_MACH_SUN6I)	+= psci_sun6i.o
 obj-$(CONFIG_MACH_SUN7I)	+= psci_sun7i.o
+obj-$(CONFIG_MACH_SUN8I)	+= psci_sun6i.o
 endif
 endif
 

arch/arm/cpu/armv7/sunxi/psci_sun6i.S

@@ -124,11 +124,13 @@ psci_fiq_enter:
 	str	r10, [r8, #0x100]
 	timer_wait r10, ONE_MS
 
+#ifdef CONFIG_MACH_SUN6I
 	@ Activate power clamp
 	lsl	r12, r9, #2		@ x4
 	add	r12, r12, r8
 	mov	r10, #0xff
 	str	r10, [r12, #0x140]
+#endif
 
 	movw	r8, #(SUN6I_CPUCFG_BASE & 0xffff)
 	movt	r8, #(SUN6I_CPUCFG_BASE >> 16)
@@ -186,6 +188,7 @@ psci_cpu_on:
 	movw	r0, #(SUNXI_PRCM_BASE & 0xffff)
 	movt	r0, #(SUNXI_PRCM_BASE >> 16)
 
+#ifdef CONFIG_MACH_SUN6I
 	@ Release power clamp
 	lsl	r5, r1, #2	@ 1 register per CPU
 	add	r5, r5, r0	@ PRCM
@@ -194,6 +197,7 @@ psci_cpu_on:
 1:	lsrs	r6, r6, #1
 	str	r6, [r5, #0x140] @ CPUx_PWR_CLAMP
 	bne	1b
+#endif
 
 	timer_wait r6, TEN_MS