rcar_gen3: plat: Clean up rcar_pwrc_code_copy_to_system_ram()

Call the function only from architecture setup and at the end of
suspend cycle instead of calling it all over the place.

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>

drivers/renesas/rcar/pwrc/pwrc.c

@@ -650,7 +650,6 @@ void rcar_pwrc_set_suspend_to_ram(void)
 				       DEVICE_SRAM_STACK_SIZE);
 	uint32_t sctlr;
 
-	rcar_pwrc_code_copy_to_system_ram();
 	rcar_pwrc_save_generic_timer(rcar_stack_generic_timer);
 
 	/* disable MMU */
@@ -665,10 +664,7 @@ void rcar_pwrc_init_suspend_to_ram(void)
 {
 #if PMIC_ROHM_BD9571
 	uint8_t mode;
-#endif
-	rcar_pwrc_code_copy_to_system_ram();
 
-#if PMIC_ROHM_BD9571
 	if (rcar_iic_dvfs_receive(PMIC, PMIC_BKUP_MODE_CNT, &mode))
 		panic();
 
@@ -683,7 +679,6 @@ void rcar_pwrc_suspend_to_ram(void)
 #if RCAR_SYSTEM_RESET_KEEPON_DDR
 	int32_t error;
 
-	rcar_pwrc_code_copy_to_system_ram();
 	error = rcar_iic_dvfs_send(PMIC, REG_KEEP10, 0);
 	if (error) {
 		ERROR("Failed send KEEP10 init ret=%d \n", error);

plat/renesas/rcar/bl31_plat_setup.c

@@ -100,6 +100,7 @@ void bl31_plat_arch_setup(void)
 			       , BL31_COHERENT_RAM_BASE, BL31_COHERENT_RAM_LIMIT
 #endif
 	    );
+	rcar_pwrc_code_copy_to_system_ram();
 }
 
 void bl31_platform_setup(void)

plat/renesas/rcar/plat_pm.c

@@ -155,6 +155,7 @@ static void rcar_pwr_domain_suspend_finish(const psci_power_state_t
 	write_cntfrq_el0(plat_get_syscnt_freq2());
 	mmio_write_32(RCAR_CNTC_BASE + CNTCR_OFF, CNTCR_FCREQ(U(0)) | CNTCR_EN);
 	rcar_pwrc_setup();
+	rcar_pwrc_code_copy_to_system_ram();
 
 #if RCAR_SYSTEM_SUSPEND
 	rcar_pwrc_init_suspend_to_ram();
@@ -167,11 +168,9 @@ static void __dead2 rcar_system_off(void)
 {
 #if PMIC_ROHM_BD9571
 #if PMIC_LEVEL_MODE
-	rcar_pwrc_code_copy_to_system_ram();
 	if (rcar_iic_dvfs_send(PMIC, DVFS_SET_VID, DVFS_SET_VID_0V))
 		ERROR("BL3-1:Failed the SYSTEM-OFF.\n");
 #else
-	rcar_pwrc_code_copy_to_system_ram();
 	if (rcar_iic_dvfs_send(PMIC, BKUP_MODE_CNT, P_ALL_OFF))
 		ERROR("BL3-1:Failed the SYSTEM-RESET.\n");
 #endif
@@ -204,7 +203,6 @@ static void __dead2 rcar_system_reset(void)
 	uint8_t mode;
 	int32_t error;
 
-	rcar_pwrc_code_copy_to_system_ram();
 	error = rcar_iic_dvfs_send(PMIC, REG_KEEP10, KEEP10_MAGIC);
 	if (error) {
 		ERROR("Failed send KEEP10 magic ret=%d \n", error);
@@ -227,7 +225,6 @@ static void __dead2 rcar_system_reset(void)
 	rcar_pwrc_set_suspend_to_ram();
 done:
 #else
-	rcar_pwrc_code_copy_to_system_ram();
 	if (rcar_iic_dvfs_send(PMIC, BKUP_MODE_CNT, P_ALL_OFF))
 		ERROR("BL3-1:Failed the SYSTEM-RESET.\n");
 #endif