diff mbox

[8/9,v2] omap3: pm: introduce dynamic OPP

Message ID 1258092322-30833-9-git-send-email-nm@ti.com (mailing list archive)
State Changes Requested
Delegated to: Kevin Hilman
Headers show

Commit Message

Nishanth Menon Nov. 13, 2009, 6:05 a.m. UTC
None
diff mbox

Patch

diff --git a/arch/arm/mach-omap2/board-3430sdp.c b/arch/arm/mach-omap2/board-3430sdp.c
index 74c20ee..a326b39 100644
--- a/arch/arm/mach-omap2/board-3430sdp.c
+++ b/arch/arm/mach-omap2/board-3430sdp.c
@@ -220,6 +220,7 @@  static void __init omap_3430sdp_init_irq(void)
 {
 	omap_board_config = sdp3430_config;
 	omap_board_config_size = ARRAY_SIZE(sdp3430_config);
+	omap3_pm_init_opp_table();
 	omap3_pm_init_vc(&omap3_setuptime_table);
 	omap3_pm_init_cpuidle(omap3_cpuidle_params_table);
 	omap2_init_common_hw(hyb18m512160af6_sdrc_params, NULL, omap3_mpu_rate_table,
diff --git a/arch/arm/mach-omap2/board-3630sdp.c b/arch/arm/mach-omap2/board-3630sdp.c
index d130d67..f613f82 100755
--- a/arch/arm/mach-omap2/board-3630sdp.c
+++ b/arch/arm/mach-omap2/board-3630sdp.c
@@ -21,7 +21,9 @@ 
 #include <plat/mux.h>
 #include <plat/usb.h>
 
+#include "pm.h"
 #include "sdram-hynix-h8mbx00u0mer-0em.h"
+#include "omap3-opp.h"
 
 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
 
@@ -74,9 +76,11 @@  static void __init omap_sdp_init_irq(void)
 {
 	omap_board_config = sdp_config;
 	omap_board_config_size = ARRAY_SIZE(sdp_config);
+	omap3_pm_init_opp_table();
 	omap2_init_common_hw(h8mbx00u0mer0em_sdrc_params,
 			     h8mbx00u0mer0em_sdrc_params,
-                             NULL, NULL, NULL);
+			     omap3_mpu_rate_table, omap3_dsp_rate_table,
+			     omap3_l3_rate_table);
 	omap_init_irq();
 	omap_gpio_init();
 }
diff --git a/arch/arm/mach-omap2/board-omap3beagle.c b/arch/arm/mach-omap2/board-omap3beagle.c
index 44de94b..e7bee77 100644
--- a/arch/arm/mach-omap2/board-omap3beagle.c
+++ b/arch/arm/mach-omap2/board-omap3beagle.c
@@ -351,6 +351,7 @@  static void __init omap3_beagle_init_irq(void)
 {
 	omap_board_config = omap3_beagle_config;
 	omap_board_config_size = ARRAY_SIZE(omap3_beagle_config);
+	omap3_pm_init_opp_table();
 	omap2_init_common_hw(mt46h32m32lf6_sdrc_params,
 			     mt46h32m32lf6_sdrc_params, omap3_mpu_rate_table,
 			     omap3_dsp_rate_table, omap3_l3_rate_table);
diff --git a/arch/arm/mach-omap2/board-omap3evm.c b/arch/arm/mach-omap2/board-omap3evm.c
index 2c63002..d8318cd 100644
--- a/arch/arm/mach-omap2/board-omap3evm.c
+++ b/arch/arm/mach-omap2/board-omap3evm.c
@@ -336,6 +336,7 @@  static void __init omap3_evm_init_irq(void)
 {
 	omap_board_config = omap3_evm_config;
 	omap_board_config_size = ARRAY_SIZE(omap3_evm_config);
+	omap3_pm_init_opp_table();
 	omap2_init_common_hw(mt46h32m32lf6_sdrc_params, NULL, omap3_mpu_rate_table,
 	                     omap3_dsp_rate_table, omap3_l3_rate_table);
 	omap_init_irq();
diff --git a/arch/arm/mach-omap2/board-rx51.c b/arch/arm/mach-omap2/board-rx51.c
index 2f1c2be..997fd1c 100644
--- a/arch/arm/mach-omap2/board-rx51.c
+++ b/arch/arm/mach-omap2/board-rx51.c
@@ -103,6 +103,7 @@  static void __init rx51_init_irq(void)
 
 	omap_board_config = rx51_config;
 	omap_board_config_size = ARRAY_SIZE(rx51_config);
+	omap3_pm_init_opp_table();
 	omap3_pm_init_cpuidle(rx51_cpuidle_params);
 	sdrc_params = rx51_get_sdram_timings();
 	omap2_init_common_hw(sdrc_params, sdrc_params,
diff --git a/arch/arm/mach-omap2/board-zoom2.c b/arch/arm/mach-omap2/board-zoom2.c
index 430b791..2799e3c 100644
--- a/arch/arm/mach-omap2/board-zoom2.c
+++ b/arch/arm/mach-omap2/board-zoom2.c
@@ -21,6 +21,7 @@ 
 #include <plat/common.h>
 #include <plat/board.h>
 
+#include "pm.h"
 #include "sdram-micron-mt46h32m32lf-6.h"
 #include "omap3-opp.h"
 
@@ -31,9 +32,11 @@  static void __init omap_zoom2_init_irq(void)
 {
 	omap_board_config = zoom2_config;
 	omap_board_config_size = ARRAY_SIZE(zoom2_config);
+	omap3_pm_init_opp_table();
 	omap2_init_common_hw(mt46h32m32lf6_sdrc_params,
-				 mt46h32m32lf6_sdrc_params, omap3_mpu_rate_table,
-				 omap3_dsp_rate_table, omap3_l3_rate_table);
+				 mt46h32m32lf6_sdrc_params,
+				 omap3_mpu_rate_table, omap3_dsp_rate_table,
+				 omap3_l3_rate_table);
 	omap_init_irq();
 	omap_gpio_init();
 }
diff --git a/arch/arm/mach-omap2/board-zoom3.c b/arch/arm/mach-omap2/board-zoom3.c
index 50a13ea..e21ad34 100644
--- a/arch/arm/mach-omap2/board-zoom3.c
+++ b/arch/arm/mach-omap2/board-zoom3.c
@@ -19,7 +19,9 @@ 
 #include <plat/common.h>
 #include <plat/board.h>
 
+#include "pm.h"
 #include "sdram-hynix-h8mbx00u0mer-0em.h"
+#include "omap3-opp.h"
 
 static void __init omap_zoom_map_io(void)
 {
@@ -34,9 +36,11 @@  static void __init omap_zoom_init_irq(void)
 {
 	omap_board_config = zoom_config;
 	omap_board_config_size = ARRAY_SIZE(zoom_config);
+	omap3_pm_init_opp_table();
 	omap2_init_common_hw(h8mbx00u0mer0em_sdrc_params,
 			     h8mbx00u0mer0em_sdrc_params,
-			     NULL, NULL, NULL);
+			     omap3_mpu_rate_table, omap3_dsp_rate_table,
+			     omap3_l3_rate_table);
 	omap_init_irq();
 	omap_gpio_init();
 }
diff --git a/arch/arm/mach-omap2/omap3-opp.h b/arch/arm/mach-omap2/omap3-opp.h
index 27e2ca5..7f27f44 100644
--- a/arch/arm/mach-omap2/omap3-opp.h
+++ b/arch/arm/mach-omap2/omap3-opp.h
@@ -21,8 +21,8 @@ 
 #define S83M    83000000
 #define S166M   166000000
 
-extern struct omap_opp omap3_mpu_rate_table[];
-extern struct omap_opp omap3_dsp_rate_table[];
-extern struct omap_opp omap3_l3_rate_table[];
+extern struct omap_opp *omap3_mpu_rate_table;
+extern struct omap_opp *omap3_dsp_rate_table;
+extern struct omap_opp *omap3_l3_rate_table;
 
 #endif
diff --git a/arch/arm/mach-omap2/pm.h b/arch/arm/mach-omap2/pm.h
index c195b14..76bbdc4 100644
--- a/arch/arm/mach-omap2/pm.h
+++ b/arch/arm/mach-omap2/pm.h
@@ -59,6 +59,13 @@  static inline void omap3_pm_init_cpuidle(
 }
 #endif
 
+/**
+ * omap3_pm_init_opp_table - OMAP opp table lookup called after cpu is detected.
+ * Initialize the basic opp table here, board files could choose to modify opp
+ * table after the basic initialization
+ */
+extern void omap3_pm_init_opp_table(void);
+
 extern int resource_set_opp_level(int res, u32 target_level, int flags);
 extern int resource_access_opp_lock(int res, int delta);
 #define resource_lock_opp(res) resource_access_opp_lock(res, 1)
diff --git a/arch/arm/mach-omap2/pm34xx.c b/arch/arm/mach-omap2/pm34xx.c
index 2f17a40..14131f8 100644
--- a/arch/arm/mach-omap2/pm34xx.c
+++ b/arch/arm/mach-omap2/pm34xx.c
@@ -100,7 +100,7 @@  static struct prm_setup_vc prm_setup = {
 	.vdd1_off = 0x00,	/* 0.6v */
 };
 
-struct omap_opp omap3_mpu_rate_table[] = {
+static __initdata struct omap_opp omap34xx_mpu_rate_table[] = {
 	{0, 0, 0, 0},
 	/*OPP1*/
 	{true, S125M, VDD1_OPP1, 0x1E},
@@ -115,7 +115,7 @@  struct omap_opp omap3_mpu_rate_table[] = {
 	{0, 0, 0, 0},
 };
 
-struct omap_opp omap3_l3_rate_table[] = {
+static __initdata struct omap_opp omap34xx_l3_rate_table[] = {
 	{0, 0, 0, 0},
 	/*OPP1*/
 	{false, 0, VDD2_OPP1, 0x1E},
@@ -126,7 +126,7 @@  struct omap_opp omap3_l3_rate_table[] = {
 	{0, 0, 0, 0},
 };
 
-struct omap_opp omap3_dsp_rate_table[] = {
+static __initdata struct omap_opp omap34xx_dsp_rate_table[] = {
 	{0, 0, 0, 0},
 	/*OPP1*/
 	{true, S90M, VDD1_OPP1, 0x1E},
@@ -141,6 +141,10 @@  struct omap_opp omap3_dsp_rate_table[] = {
 	{0, 0, 0, 0},
 };
 
+struct omap_opp *omap3_mpu_rate_table;
+struct omap_opp *omap3_dsp_rate_table;
+struct omap_opp *omap3_l3_rate_table;
+
 static inline void omap3_per_save_context(void)
 {
 	omap_gpio_save_context();
@@ -1280,6 +1284,27 @@  static void __init configure_vc(void)
 	pm_dbg_regset_init(2);
 }
 
+void __init omap3_pm_init_opp_table(void)
+{
+	/* Populate the base CPU rate tables here */
+	omap3_mpu_rate_table = kmalloc(sizeof(omap34xx_mpu_rate_table),
+			GFP_KERNEL);
+	omap3_dsp_rate_table = kmalloc(sizeof(omap34xx_dsp_rate_table),
+			GFP_KERNEL);
+	omap3_l3_rate_table = kmalloc(sizeof(omap34xx_l3_rate_table),
+			GFP_KERNEL);
+
+	BUG_ON(!omap3_mpu_rate_table || !omap3_dsp_rate_table ||
+		!omap3_l3_rate_table);
+
+	memcpy(omap3_mpu_rate_table, omap34xx_mpu_rate_table,
+			sizeof(omap34xx_mpu_rate_table));
+	memcpy(omap3_dsp_rate_table, omap34xx_dsp_rate_table,
+			sizeof(omap34xx_dsp_rate_table));
+	memcpy(omap3_l3_rate_table, omap34xx_l3_rate_table,
+			sizeof(omap34xx_l3_rate_table));
+}
+
 static int __init omap3_pm_early_init(void)
 {
 	prm_clear_mod_reg_bits(OMAP3430_OFFMODE_POL, OMAP3430_GR_MOD,