[v7,3/8] omap3: pm: Using separate clk/volt setup_time for RET and OFF states

Commit Message

Lesly A M July 1, 2010, 10:11 a.m. UTC

None

Patch

diff --git a/arch/arm/mach-omap2/board-3430sdp.c b/arch/arm/mach-omap2/board-3430sdp.c
index 75c66dd..c7f0fa8 100644
--- a/arch/arm/mach-omap2/board-3430sdp.c
+++ b/arch/arm/mach-omap2/board-3430sdp.c
@@ -47,7 +47,6 @@ 
 #include "sdram-qimonda-hyb18m512160af-6.h"
 #include "hsmmc.h"
 #include "pm.h"
-#include "voltage.h"
 #include "omap3-opp.h"
 #include "smartreflex-class3.h"
 
@@ -77,23 +76,6 @@  static struct cpuidle_params omap3_cpuidle_params_table[] = {
 	{1, 10000, 30000, 300000},
 };
 
-/* FIXME: These are not the optimal setup values to be used on 3430sdp*/
-static struct prm_setup_vc omap3_setuptime_table = {
-	.clksetup = 0xff,
-	.voltsetup_time1 = 0xfff,
-	.voltsetup_time2 = 0xfff,
-	.voltoffset = 0xff,
-	.voltsetup2 = 0xff,
-	.vdd0_on = 0x30,
-	.vdd0_onlp = 0x20,
-	.vdd0_ret = 0x1e,
-	.vdd0_off = 0x00,
-	.vdd1_on = 0x2c,
-	.vdd1_onlp = 0x20,
-	.vdd1_ret = 0x1e,
-	.vdd1_off = 0x00,
-};
-
 static int board_keymap[] = {
 	KEY(0, 0, KEY_LEFT),
 	KEY(0, 1, KEY_RIGHT),
@@ -347,7 +329,6 @@  static void __init omap_3430sdp_init_irq(void)
 	omap_board_config_size = ARRAY_SIZE(sdp3430_config);
 	omap3_pm_init_opp_table();
 	omap3_pm_init_cpuidle(omap3_cpuidle_params_table);
-	omap_voltage_init_vc(&omap3_setuptime_table);
 	omap2_init_common_hw(hyb18m512160af6_sdrc_params, NULL);
 	omap_init_irq();
 	omap_gpio_init();
diff --git a/arch/arm/mach-omap2/pm.h b/arch/arm/mach-omap2/pm.h
index b608490..bad9058 100644
--- a/arch/arm/mach-omap2/pm.h
+++ b/arch/arm/mach-omap2/pm.h
@@ -40,24 +40,6 @@  inline void omap3_pm_init_cpuidle(struct cpuidle_params *cpuidle_board_params)
 }
 #endif
 
-struct prm_setup_vc {
-	u16 clksetup;
-	u16 voltsetup_time1;
-	u16 voltsetup_time2;
-	u16 voltoffset;
-	u16 voltsetup2;
-/* PRM_VC_CMD_VAL_0 specific bits */
-	u16 vdd0_on;
-	u16 vdd0_onlp;
-	u16 vdd0_ret;
-	u16 vdd0_off;
-/* PRM_VC_CMD_VAL_1 specific bits */
-	u16 vdd1_on;
-	u16 vdd1_onlp;
-	u16 vdd1_ret;
-	u16 vdd1_off;
-};
-
 extern int omap3_pm_get_suspend_state(struct powerdomain *pwrdm);
 extern int omap3_pm_set_suspend_state(struct powerdomain *pwrdm, int state);
 
diff --git a/arch/arm/mach-omap2/voltage.c b/arch/arm/mach-omap2/voltage.c
index c5e9c42..efa16d4 100644
--- a/arch/arm/mach-omap2/voltage.c
+++ b/arch/arm/mach-omap2/voltage.c
@@ -127,14 +127,26 @@  struct vc_reg_info {
 } vc_reg;
 
 /*
- * Default voltage controller settings for OMAP3
+ * Default voltage controller settings for OMAP3430
  */
-static struct prm_setup_vc vc_config = {
-	.clksetup = 0xff,
-	.voltsetup_time1 = 0xfff,
-	.voltsetup_time2 = 0xfff,
-	.voltoffset = 0xff,
-	.voltsetup2 = 0xff,
+struct __initdata prm_setup_vc omap3430_vc_config = {
+	/* CLK & VOLT SETUPTIME for RET */
+	.ret = {
+		.clksetup = 0x1,
+		.voltsetup1_vdd1 = 0x005B,
+		.voltsetup1_vdd2 = 0x0055,
+		.voltsetup2 = 0x0,
+		.voltoffset = 0x0,
+	},
+	/* CLK & VOLT SETUPTIME for OFF */
+	.off = {
+		.clksetup = 0x14A,
+		.voltsetup1_vdd1 = 0x00B3,
+		.voltsetup1_vdd2 = 0x00A0,
+		.voltsetup2 = 0x118,
+		.voltoffset = 0x32,
+	},
+	/* VC COMMAND VALUES for VDD1/VDD2 */
 	.vdd0_on = 0x30,        /* 1.2v */
 	.vdd0_onlp = 0x20,      /* 1.0v */
 	.vdd0_ret = 0x1e,       /* 0.975v */
@@ -146,6 +158,39 @@  static struct prm_setup_vc vc_config = {
 };
 
 /*
+ * Default voltage controller settings for OMAP3630
+ */
+struct __initdata prm_setup_vc omap3630_vc_config = {
+	/* CLK & VOLT SETUPTIME for RET */
+	.ret = {
+		.clksetup = 0x1,
+		.voltsetup1_vdd1 = 0x005B,
+		.voltsetup1_vdd2 = 0x0055,
+		.voltsetup2 = 0x0,
+		.voltoffset = 0x0,
+	},
+	/* CLK & VOLT SETUPTIME for OFF */
+	.off = {
+		.clksetup = 0x14A,
+		.voltsetup1_vdd1 = 0x00B3,
+		.voltsetup1_vdd2 = 0x00A0,
+		.voltsetup2 = 0x118,
+		.voltoffset = 0x32,
+	},
+	/* VC COMMAND VALUES for VDD1/VDD2 */
+	.vdd0_on = 0x28,	/* 1.1v */
+	.vdd0_onlp = 0x20,	/* 1.0v */
+	.vdd0_ret = 0x13,	/* 0.83v */
+	.vdd0_off = 0x00,	/* 0.6v */
+	.vdd1_on = 0x2B,	/* 1.1375v */
+	.vdd1_onlp = 0x20,	/* 1.0v */
+	.vdd1_ret = 0x13,	/* 0.83v */
+	.vdd1_off = 0x00,	/* 0.6v */
+};
+
+static struct prm_setup_vc vc_config;
+
+/*
  * Structures containing OMAP3430 voltage supported and various data
  * associated with it per voltage domain basis. Smartreflex Ntarget
  * vales are left as 0 as they have to be populated by smartreflex
@@ -250,12 +295,12 @@  static void __init init_voltagecontroller(void)
 	voltage_write_reg(vc_i2c_cfg_reg, VC_MCODE_SHIFT | VC_HSEN);
 
 	/* Write setup times */
-	voltage_write_reg(prm_clksetup_reg, vc_config.clksetup);
+	voltage_write_reg(prm_clksetup_reg, vc_config.ret.clksetup);
 	voltage_write_reg(prm_voltsetup1_reg,
-			(vc_config.voltsetup_time2 << VC_SETUP_TIME2_SHIFT) |
-			(vc_config.voltsetup_time1 << VC_SETUP_TIME1_SHIFT));
-	voltage_write_reg(prm_voltoffset_reg, vc_config.voltoffset);
-	voltage_write_reg(prm_voltsetup2_reg, vc_config.voltsetup2);
+		(vc_config.ret.voltsetup1_vdd2 << VC_SETUP_TIME2_SHIFT) |
+		(vc_config.ret.voltsetup1_vdd1 << VC_SETUP_TIME1_SHIFT));
+	voltage_write_reg(prm_voltoffset_reg, vc_config.ret.voltoffset);
+	voltage_write_reg(prm_voltsetup2_reg, vc_config.ret.voltsetup2);
 }
 
 static void vp_latch_vsel(int vp_id)
@@ -893,19 +938,9 @@  void __init omap_voltage_init_vc(struct prm_setup_vc *setup_vc)
 	if (!setup_vc)
 		return;
 
-	vc_config.clksetup = setup_vc->clksetup;
-	vc_config.voltsetup_time1 = setup_vc->voltsetup_time1;
-	vc_config.voltsetup_time2 = setup_vc->voltsetup_time2;
-	vc_config.voltoffset = setup_vc->voltoffset;
-	vc_config.voltsetup2 = setup_vc->voltsetup2;
-	vc_config.vdd0_on = setup_vc->vdd0_on;
-	vc_config.vdd0_onlp = setup_vc->vdd0_onlp;
-	vc_config.vdd0_ret = setup_vc->vdd0_ret;
-	vc_config.vdd0_off = setup_vc->vdd0_off;
-	vc_config.vdd1_on = setup_vc->vdd1_on;
-	vc_config.vdd1_onlp = setup_vc->vdd1_onlp;
-	vc_config.vdd1_ret = setup_vc->vdd1_ret;
-	vc_config.vdd1_off = setup_vc->vdd1_off;
+	/* CLK SETUPTIME for RET & OFF */
+	vc_config.ret.clksetup = setup_vc->ret.clksetup;
+	vc_config.off.clksetup = setup_vc->off.clksetup;
 }
 
 /**
@@ -972,6 +1007,14 @@  void __init omap_voltage_init(void)
 		volt_mod = OMAP3430_GR_MOD;
 	else
 		return;
+
+	if (cpu_is_omap3430())
+		memcpy(&vc_config, &omap3430_vc_config,
+				sizeof(struct prm_setup_vc));
+	else if (cpu_is_omap3630())
+		memcpy(&vc_config, &omap3630_vc_config,
+				sizeof(struct prm_setup_vc));
+
 	init_voltagecontroller();
 	init_voltageprocessors();
 }
diff --git a/arch/arm/mach-omap2/voltage.h b/arch/arm/mach-omap2/voltage.h
index c6445c5..526c02d 100644
--- a/arch/arm/mach-omap2/voltage.h
+++ b/arch/arm/mach-omap2/voltage.h
@@ -14,6 +14,31 @@ 
 #define VDD1	0
 #define VDD2	1
 
+struct setuptime_vc{
+	u16 clksetup;
+	u16 voltsetup1_vdd1;
+	u16 voltsetup1_vdd2;
+	u16 voltsetup2;
+	u16 voltoffset;
+};
+
+struct prm_setup_vc {
+	/* CLK & VOLT SETUPTIME for RET */
+	struct setuptime_vc ret;
+	/* CLK & VOLT SETUPTIME for OFF */
+	struct setuptime_vc off;
+	/* PRM_VC_CMD_VAL_0 specific bits */
+	u16 vdd0_on;
+	u16 vdd0_onlp;
+	u16 vdd0_ret;
+	u16 vdd0_off;
+	/* PRM_VC_CMD_VAL_1 specific bits */
+	u16 vdd1_on;
+	u16 vdd1_onlp;
+	u16 vdd1_ret;
+	u16 vdd1_off;
+};
+
 #define VOLTSCALE_VPFORCEUPDATE		1
 #define VOLTSCALE_VCBYPASS		2