ARM: OMAP3: Get rid of omap3_gp_romcode_call and replace with omap_smc1

omap_smc1 is now generic enough to remove duplicate
omap3_gp_romcode_call logic that omap3 introduced.

As part of this change, move to using the generic lowlevel_init.S for
omap3 as well.

Signed-off-by: Nishanth Menon <nm@ti.com>
Tested-by: Matt Porter <mporter@konsulko.com>
Reviewed-by: Tom Rini <trini@konsulko.com>

arch/arm/cpu/armv7/omap-common/Makefile

@@ -28,7 +28,7 @@ endif
 
 ifeq ($(CONFIG_OMAP34XX),)
 obj-y	+= boot-common.o
-obj-y	+= lowlevel_init.o
 endif
+obj-y	+= lowlevel_init.o
 
 obj-y	+= mem-common.o

arch/arm/cpu/armv7/omap-common/lowlevel_init.S

@@ -16,11 +16,13 @@
 #include <asm/arch/spl.h>
 #include <linux/linkage.h>
 
+#ifndef CONFIG_OMAP34XX
 ENTRY(save_boot_params)
 	ldr	r1, =OMAP_SRAM_SCRATCH_BOOT_PARAMS
 	str	r0, [r1]
 	b	save_boot_params_ret
 ENDPROC(save_boot_params)
+#endif
 
 ENTRY(omap_smc1)
 	PUSH	{r4-r12, lr}	@ save registers - ROM code may pollute

arch/arm/cpu/armv7/omap3/board.c

@@ -429,8 +429,7 @@ static void omap3_update_aux_cr_secure(u32 set_bits, u32 clear_bits)
 	acr |= set_bits;
 
 	if (get_device_type() == GP_DEVICE) {
-		omap3_gp_romcode_call(OMAP3_GP_ROMCODE_API_WRITE_ACR,
-				       acr);
+		omap_smc1(OMAP3_GP_ROMCODE_API_WRITE_ACR, acr);
 	} else {
 		struct emu_hal_params emu_romcode_params;
 		emu_romcode_params.num_params = 1;
@@ -470,8 +469,7 @@ static void omap3_update_aux_cr(u32 set_bits, u32 clear_bits)
 static void omap3_invalidate_l2_cache_secure(void)
 {
 	if (get_device_type() == GP_DEVICE) {
-		omap3_gp_romcode_call(OMAP3_GP_ROMCODE_API_L2_INVAL,
-				      0);
+		omap_smc1(OMAP3_GP_ROMCODE_API_L2_INVAL, 0);
 	} else {
 		struct emu_hal_params emu_romcode_params;
 		emu_romcode_params.num_params = 1;

arch/arm/cpu/armv7/omap3/lowlevel_init.S

@@ -27,17 +27,6 @@ ENTRY(save_boot_params)
 ENDPROC(save_boot_params)
 #endif
 
-ENTRY(omap3_gp_romcode_call)
-	PUSH {r4-r12, lr} @ Save all registers from ROM code!
-	MOV r12, r0	@ Copy the Service ID in R12
-	MOV r0, r1	@ Copy parameter to R0
-	mcr     p15, 0, r0, c7, c10, 4	@ DSB
-	mcr     p15, 0, r0, c7, c10, 5	@ DMB
-	.word	0xe1600070	@ SMC #0 to enter monitor - hand assembled
-				@ because we use -march=armv5
-	POP {r4-r12, pc}
-ENDPROC(omap3_gp_romcode_call)
-
 /*
  * Funtion for making PPA HAL API calls in secure devices
  * Input:

arch/arm/include/asm/arch-omap3/sys_proto.h

@@ -73,6 +73,5 @@ void power_init_r(void);
 void dieid_num_r(void);
 void get_dieid(u32 *id);
 void do_omap3_emu_romcode_call(u32 service_id, u32 parameters);
-void omap3_gp_romcode_call(u32 service_id, u32 parameter);
 u32 warm_reset(void);
 #endif