From: 许盛飞 <xsf@rock-chips.com>
Date: Mon, 3 Nov 2014 19:00:53 +0000 (+0800)
Subject: rk3288-resume: save the wake-up time
X-Git-Tag: firefly_0821_release~4507
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=61be0c1b0a09cbc2ee425525030ba403ab14ebed;p=firefly-linux-kernel-4.4.55.git

rk3288-resume: save the wake-up time

Signed-off-by: 许盛飞 <xsf@rock-chips.com>
---

diff --git a/arch/arm/mach-rockchip/pm-rk3288.c b/arch/arm/mach-rockchip/pm-rk3288.c
index 850cf0edf684..d2f98c5857f8 100755
--- a/arch/arm/mach-rockchip/pm-rk3288.c
+++ b/arch/arm/mach-rockchip/pm-rk3288.c
@@ -32,7 +32,6 @@ __weak void rk_usb_power_up(void);
 //static void ddr_gpio_set_in_output(u8 port,u8 bank,u8 b_gpio,u8 type);
 static void ddr_pin_set_fun(u8 port,u8 bank,u8 b_gpio,u8 fun);
 
-
 /*************************cru define********************************************/
 
 
@@ -60,7 +59,6 @@ enum rk_plls_id {
 #define RK3288_PLL_BYPASS CRU_W_MSK_SETBITS(1,0,0x1)
 #define RK3288_PLL_NO_BYPASS CRU_W_MSK_SETBITS(0,0,0x1)
 
-
 /*******************************gpio define **********************************************/
 
 /* GPIO control registers */
@@ -932,7 +930,6 @@ static u32 sgrf_soc_con0,pmu_wakeup_cfg0,pmu_wakeup_cfg1,pmu_pwr_mode_con0,pmu_p
 static u32  rkpm_slp_mode_set(u32 ctrbits)
 {
     u32 mode_set,mode_set1;
-    
     // setting gpio0_a0 arm off pin
 
     sgrf_soc_con0=reg_readl(RK_SGRF_VIRT+RK3288_SGRF_SOC_CON0);
@@ -970,8 +967,11 @@ static u32  rkpm_slp_mode_set(u32 ctrbits)
     }
     else if(rkpm_chk_val_ctrbits(ctrbits,RKPM_CTR_ARMDP_LPMD))
     {
-        rkpm_ddr_printascii("-armdp-");            
-        mode_set|=BIT(pmu_a12_0_pd_en);
+	rkpm_ddr_printascii("-armdp-");
+	mode_set |= BIT(pmu_a12_0_pd_en)
+			| BIT(pmu_sref0_enter_en) | BIT(pmu_sref1_enter_en)
+			| BIT(pmu_ddr0_gating_en) | BIT(pmu_ddr1_gating_en)
+			| BIT(pmu_chip_pd_en);
     }
     else if(rkpm_chk_val_ctrbits(ctrbits,RKPM_CTR_ARMOFF_LPMD))
     {   
@@ -1022,13 +1022,17 @@ static u32  rkpm_slp_mode_set(u32 ctrbits)
         rkpm_ddr_printascii("osc_off");        
         pmu_writel(32*30,RK3288_PMU_OSC_CNT);  
         pmu_writel(32*30,RK3288_PMU_STABL_CNT);  
-    }
-    else
-    {
-        pmu_writel(24*1000*10,RK3288_PMU_STABL_CNT);  
-        
-       // pmu_writel(24*1000*20,RK3288_PMU_CORE_PWRDWN_CNT);  
-    }
+    } else if (mode_set & BIT(pmu_a12_0_pd_en)) {
+	pmu_writel(0x0, RK3288_PMU_STABL_CNT);
+	pmu_writel(0x0, RK3288_PMU_OSC_CNT);
+	pmu_writel(0x0, RK3288_PMU_PLL_CNT);
+	pmu_writel(0x0, RK3288_PMU_DDR0IO_PWRON_CNT);
+	pmu_writel(0x0, RK3288_PMU_DDR1IO_PWRON_CNT);
+	pmu_writel(0x0, RK3288_PMU_GPU_PWRUP_CNT);
+	pmu_writel(0x0, RK3288_PMU_WAKEUP_RST_CLR_CNT);
+	/*pmu_writel(100,RK3288_PMU_CORE_PWRUP_CNT);*/
+	} else
+	pmu_writel(24*1000*10, RK3288_PMU_STABL_CNT);
 
     if(mode_set&BIT(pmu_ddr0io_ret_en))
     {
@@ -1043,7 +1047,7 @@ static u32  rkpm_slp_mode_set(u32 ctrbits)
     
   //  rkpm_ddr_printhex(mode_set);
   //  rkpm_ddr_printhex(pmu_readl(RK3288_PMU_PWRMODE_CON));
-  
+
     return (pmu_readl(RK3288_PMU_PWRMODE_CON));  
 }
 
@@ -1127,10 +1131,8 @@ static void  rkpm_peri_save(u32 power_mode)
 {
 //    u32 gpio_gate[2];
 
-    if(power_mode&BIT(pmu_scu_en))
-    {
-        rkpm_gic_dist_save(&slp_gic_save[0]);   
-    }
+	if (power_mode & (BIT(pmu_scu_en) | BIT(pmu_a12_0_pd_en)))
+		rkpm_gic_dist_save(&slp_gic_save[0]);
 #if 0
     gpio_gate[0]=cru_readl(RK3288_CRU_GATEID_CONS(RK3288_CLKGATE_PCLK_GPIO0));
     gpio_gate[1]=cru_readl(RK3288_CRU_GATEID_CONS(RK3288_CLKGATE_PCLK_GPIO1));
@@ -1176,13 +1178,12 @@ static void  rkpm_peri_save(u32 power_mode)
 
 static inline void  rkpm_peri_resume(u32 power_mode)
 {
-    if(power_mode&BIT(pmu_scu_en))
-    {       
-        //fiq_glue_resume();
-        rkpm_gic_dist_resume(&slp_gic_save[0]);          
-        fiq_glue_resume();
-        //rkpm_ddr_printascii("gic res");       
-    }  
+	if (power_mode & (BIT(pmu_scu_en) | BIT(pmu_a12_0_pd_en))) {
+		/*fiq_glue_resume();*/
+		rkpm_gic_dist_resume(&slp_gic_save[0]);
+		fiq_glue_resume();
+		/*rkpm_ddr_printascii("gic res");*/
+	}
     if(power_mode&BIT(pmu_bus_pd_en))
    {
         slp_i2c_resume(0);// i2c pmu
@@ -1963,7 +1964,8 @@ int gpio7_pin_iomux1;
 
 static void gtclks_suspend(void)
 {
-    int i;
+	int i;
+
 	gpio7_pin_data1= gpio7_readl(0);
 	gpio7_pin_dir1 = gpio7_readl(0x04);
 	gpio7_pin_iomux1 =  gpio7_readl(0x6c);
@@ -1973,6 +1975,7 @@ static void gtclks_suspend(void)
 
   // rkpm_ddr_regs_dump(RK_CRU_VIRT,RK3288_CRU_CLKGATES_CON(0)
                                           //          ,RK3288_CRU_CLKGATES_CON(RK3288_CRU_CLKGATES_CON_CNT-1));
+
     for(i=0;i<RK3288_CRU_CLKGATES_CON_CNT;i++)
     {
             clk_ungt_save[i]=cru_readl(RK3288_CRU_CLKGATES_CON(i));   
@@ -2038,7 +2041,6 @@ static void gtclks_resume(void)
      //rkpm_ddr_regs_dump(RK_CRU_VIRT,RK3288_CRU_CLKGATES_CON(0)
                                                  //   ,RK3288_CRU_CLKGATES_CON(RK3288_CRU_CLKGATES_CON_CNT-1));
 	grf_writel(0x00040004, 0x6c);
-
 }
 /********************************pll power down***************************************/
 
@@ -2095,41 +2097,59 @@ static inline void plls_suspend(u32 pll_id)
     cru_writel(RK3288_PLL_PWR_DN, RK3288_PLL_CONS((pll_id), 3));
     
 }
-static inline void plls_resume(u32 pll_id)
+static inline void plls_resume_pre(u32 pll_id)
 {
-        u32 pllcon0, pllcon1, pllcon2;
+	u32 pllcon0, pllcon1, pllcon2;
 
-        if((plls_con3_save[pll_id]&RK3288_PLL_PWR_DN_MSK))
-            return ;
-         
-        //enter slowmode
-        cru_writel(RK3288_PLL_MODE_SLOW(pll_id), RK3288_CRU_MODE_CON);      
-        
-        cru_writel(RK3288_PLL_PWR_ON, RK3288_PLL_CONS((pll_id),3));
-        cru_writel(RK3288_PLL_NO_BYPASS, RK3288_PLL_CONS((pll_id),3));
-        
-        pllcon0 =plls_con0_save[pll_id];// cru_readl(RK3288_PLL_CONS((pll_id),0));
-        pllcon1 = plls_con1_save[pll_id];//cru_readl(RK3288_PLL_CONS((pll_id),1));
-        pllcon2 = plls_con2_save[pll_id];//cru_readl(RK3288_PLL_CONS((pll_id),2));
-
-        //enter rest
-        cru_writel(RK3288_PLL_RESET, RK3288_PLL_CONS(pll_id,3));
-        cru_writel(pllcon0|CRU_W_MSK(0,0xf)|CRU_W_MSK(8,0x3f), RK3288_PLL_CONS(pll_id,0));
-        cru_writel(pllcon1, RK3288_PLL_CONS(pll_id,1));
-        cru_writel(pllcon2, RK3288_PLL_CONS(pll_id,2));
-        
-        pll_udelay(5);
-        //udelay(5); //timer7 delay
+	cru_writel(RK3288_PLL_MODE_SLOW(pll_id), RK3288_CRU_MODE_CON);
 
-        //return form rest
-        cru_writel(RK3288_PLL_RESET_RESUME, RK3288_PLL_CONS(pll_id,3));
+	cru_writel(RK3288_PLL_PWR_ON, RK3288_PLL_CONS((pll_id), 3));
+	cru_writel(RK3288_PLL_NO_BYPASS, RK3288_PLL_CONS((pll_id), 3));
+
+	pllcon0 = plls_con0_save[pll_id];
+	pllcon1 = plls_con1_save[pll_id];
+	pllcon2 = plls_con2_save[pll_id];
+
+	/*enter rest*/
+	cru_writel(RK3288_PLL_RESET, RK3288_PLL_CONS(pll_id, 3));
+	cru_writel(pllcon0 | CRU_W_MSK(0, 0xf) | CRU_W_MSK(8, 0x3f)
+		, RK3288_PLL_CONS(pll_id, 0));
+	cru_writel(pllcon1, RK3288_PLL_CONS(pll_id, 1));
+	cru_writel(pllcon2, RK3288_PLL_CONS(pll_id, 2));
+}
+
+static inline void plls_resume(void)
+{
+	plls_resume_pre(APLL_ID);
+	plls_resume_pre(GPLL_ID);
+	plls_resume_pre(CPLL_ID);
+	plls_resume_pre(NPLL_ID);
+
+	pll_udelay(5);
+
+	/*return form rest*/
+	cru_writel(RK3288_PLL_RESET_RESUME, RK3288_PLL_CONS(APLL_ID, 3));
+	cru_writel(RK3288_PLL_RESET_RESUME, RK3288_PLL_CONS(GPLL_ID, 3));
+	cru_writel(RK3288_PLL_RESET_RESUME, RK3288_PLL_CONS(CPLL_ID, 3));
+	cru_writel(RK3288_PLL_RESET_RESUME, RK3288_PLL_CONS(NPLL_ID, 3));
+
+	/*wating lock state*/
+	pll_udelay(168);
+
+	pm_pll_wait_lock(APLL_ID);
+	pm_pll_wait_lock(GPLL_ID);
+	pm_pll_wait_lock(CPLL_ID);
+	pm_pll_wait_lock(NPLL_ID);
 
-        //wating lock state
-        pll_udelay(168);
-        pm_pll_wait_lock(pll_id);
-        
-        cru_writel(plls_con3_save[pll_id]|(RK3288_PLL_BYPASS_MSK<<16),RK3288_PLL_CONS(pll_id,3));
 
+	cru_writel(plls_con3_save[APLL_ID] | (RK3288_PLL_BYPASS_MSK << 16)
+		, RK3288_PLL_CONS(APLL_ID, 3));
+	cru_writel(plls_con3_save[GPLL_ID] | (RK3288_PLL_BYPASS_MSK << 16)
+		, RK3288_PLL_CONS(GPLL_ID, 3));
+	cru_writel(plls_con3_save[CPLL_ID] | (RK3288_PLL_BYPASS_MSK << 16)
+		, RK3288_PLL_CONS(CPLL_ID, 3));
+	cru_writel(plls_con3_save[NPLL_ID] | (RK3288_PLL_BYPASS_MSK << 16)
+		, RK3288_PLL_CONS(NPLL_ID, 3));
 }
 
 static u32 clk_sel0,clk_sel1, clk_sel10,clk_sel26,clk_sel33,clk_sel36, clk_sel37;
@@ -2224,48 +2244,44 @@ static void pm_plls_suspend(void)
 
 static void pm_plls_resume(void)
 {
+	/* core_m0 core_mp a12_core*/
+	cru_writel(clk_sel0 | (CRU_W_MSK(0, 0xf) | CRU_W_MSK(4, 0xf)
+	| CRU_W_MSK(8, 0xf)), RK3288_CRU_CLKSELS_CON(0));
+	/*core0 core1 core2 core3*/
+	cru_writel(clk_sel36 | (CRU_W_MSK(0, 0x7) | CRU_W_MSK(4, 0x7)
+	| CRU_W_MSK(8, 0x7) | CRU_W_MSK(12, 0x7)), RK3288_CRU_CLKSELS_CON(36));
+	/* l2ram atclk pclk*/
+	cru_writel(clk_sel37 | (CRU_W_MSK(0, 0x7) | CRU_W_MSK(4, 0x1f)
+	| CRU_W_MSK(9, 0x1f)), RK3288_CRU_CLKSELS_CON(37));
+
+	/*resume APLL_ID GPLL_ID CPLL_ID NPLL_ID*/
+	plls_resume();
+
+	cru_writel(cru_mode_con | (RK3288_PLL_MODE_MSK(APLL_ID) << 16)
+		, RK3288_CRU_MODE_CON);
+
+	/*peri aclk hclk pclk*/
+	cru_writel(clk_sel10 | (CRU_W_MSK(0, 0x1f) | CRU_W_MSK(8, 0x3)
+	| CRU_W_MSK(12, 0x3)), RK3288_CRU_CLKSELS_CON(10));
+	/*pd bus gpll sel*/
+	cru_writel(clk_sel1 | CRU_W_MSK(15, 0x1), RK3288_CRU_CLKSELS_CON(1));
+	/*pd_bus clk 8*/
+	cru_writel(clk_sel1 | (CRU_W_MSK(0, 0x7) | CRU_W_MSK(3, 0x1f)
+	| CRU_W_MSK(8, 0x3) | CRU_W_MSK(12, 0x7)), RK3288_CRU_CLKSELS_CON(1));
+
+	/*crypto*/
+	cru_writel(clk_sel26 | CRU_W_MSK(6, 0x3), RK3288_CRU_CLKSELS_CON(26));
+
+	/*pmu alive */
+	cru_writel(clk_sel33 | CRU_W_MSK(0, 0x1f) | CRU_W_MSK(8, 0x1f)
+	, RK3288_CRU_CLKSELS_CON(33));
+	cru_writel(cru_mode_con | (RK3288_PLL_MODE_MSK(GPLL_ID) << 16)
+		, RK3288_CRU_MODE_CON);
+	cru_writel(cru_mode_con | (RK3288_PLL_MODE_MSK(CPLL_ID) << 16)
+		, RK3288_CRU_MODE_CON);
+	cru_writel(cru_mode_con | (RK3288_PLL_MODE_MSK(NPLL_ID) << 16)
+		, RK3288_CRU_MODE_CON);
 
-
-        // core_m0 core_mp a12_core
-        cru_writel(clk_sel0|(CRU_W_MSK(0,0xf)|CRU_W_MSK(4,0xf)|CRU_W_MSK(8,0xf)),RK3288_CRU_CLKSELS_CON(0));
-        // core0 core1 core2 core3
-        cru_writel(clk_sel36|(CRU_W_MSK(0,0x7)|CRU_W_MSK(4,0x7)|CRU_W_MSK(8,0x7)|CRU_W_MSK(12,0x7))
-                        , RK3288_CRU_CLKSELS_CON(36));
-        // l2ram atclk pclk
-        cru_writel(clk_sel37|(CRU_W_MSK(0,0x7)|CRU_W_MSK(4,0x1f)|CRU_W_MSK(9,0x1f)) , RK3288_CRU_CLKSELS_CON(37));
-        
-        plls_resume(APLL_ID);    
-        cru_writel(cru_mode_con|(RK3288_PLL_MODE_MSK(APLL_ID)<<16), RK3288_CRU_MODE_CON);
-        
-        // peri aclk hclk pclk
-        cru_writel(clk_sel10|(CRU_W_MSK(0,0x1f)|CRU_W_MSK(8,0x3)|CRU_W_MSK(12,0x3))
-                                                                            , RK3288_CRU_CLKSELS_CON(10));
-        //pd bus gpll sel
-        cru_writel(clk_sel1|CRU_W_MSK(15,0x1), RK3288_CRU_CLKSELS_CON(1));
-        // pd_bus clk 
-        cru_writel(clk_sel1|(CRU_W_MSK(0,0x7)|CRU_W_MSK(3,0x1f)|CRU_W_MSK(8,0x3)|CRU_W_MSK(12,0x7))
-                    , RK3288_CRU_CLKSELS_CON(1));
-                
-        // crypto
-        cru_writel(clk_sel26|CRU_W_MSK(6,0x3), RK3288_CRU_CLKSELS_CON(26));
-    
-        
-          // pmu alive 
-        cru_writel(clk_sel33|CRU_W_MSK(0,0x1f)|CRU_W_MSK(8,0x1f), RK3288_CRU_CLKSELS_CON(33));
-
-        plls_resume(GPLL_ID);   
-        cru_writel(cru_mode_con|(RK3288_PLL_MODE_MSK(GPLL_ID)<<16), RK3288_CRU_MODE_CON);       
-        
-        plls_resume(CPLL_ID);    
-        cru_writel(cru_mode_con|(RK3288_PLL_MODE_MSK(CPLL_ID)<<16), RK3288_CRU_MODE_CON);
-        
-        plls_resume(NPLL_ID);       
-        cru_writel(cru_mode_con|(RK3288_PLL_MODE_MSK(NPLL_ID)<<16), RK3288_CRU_MODE_CON);
-
-       // rkpm_ddr_regs_dump(RK_CRU_VIRT,RK3288_PLL_CONS((0), 0),RK3288_PLL_CONS((4), 3)); 
-       // rkpm_ddr_regs_dump(RK_CRU_VIRT,RK3288_CRU_MODE_CON,RK3288_CRU_MODE_CON);   
-       // rkpm_ddr_regs_dump(RK_CRU_VIRT,RK3288_CRU_CLKSELS_CON(0),RK3288_CRU_CLKSELS_CON(42));
-        
 }
 
 static __sramdata u32  sysclk_clksel0_con,sysclk_clksel1_con,sysclk_clksel10_con,sysclk_mode_con;