[PATCH 03/10 V3] omap3: pm: use opp accessor functions for omap34xx

[Nishanth Menon <nm@ti.com>]

Move the definitions from omap3-opp.h to pm34xx.c. The definitions
are now based on omap_opp_def instead of omap_opp itself.
Since the opp.h has the omap_opp definition, omap-pm.h conflicts and
has been removed in favor of opp.h.

omap3_pm_init_opp_table is used to initialize the OPP table and
relevant board files which have omap2_init_common_hw called with opp
arrays have been updated with omap3_pm_init_opp_table.

This change now allows us to dynamically register OPPs to the system
based on silicon type we detect.

NOTE: This introduces the following warnings highlighting areas we
need to cleanup:
arch/arm/mach-omap2/smartreflex.c: In function 'get_opp':
arch/arm/mach-omap2/smartreflex.c:161: warning: 'opp_id' is deprecated (declared at arch/arm/plat-omap/include/plat/opp.h:33)
arch/arm/mach-omap2/smartreflex.c:164: warning: 'opp_id' is deprecated (declared at arch/arm/plat-omap/include/plat/opp.h:33)
arch/arm/mach-omap2/smartreflex.c:166: warning: 'opp_id' is deprecated (declared at arch/arm/plat-omap/include/plat/opp.h:33)
arch/arm/mach-omap2/smartreflex.c:168: warning: 'opp_id' is deprecated (declared at arch/arm/plat-omap/include/plat/opp.h:33)
arch/arm/mach-omap2/resource34xx.c: In function 'get_opp':
arch/arm/mach-omap2/resource34xx.c:165: warning: 'opp_id' is deprecated (declared at arch/arm/plat-omap/include/plat/opp.h:33)
arch/arm/mach-omap2/resource34xx.c:168: warning: 'opp_id' is deprecated (declared at arch/arm/plat-omap/include/plat/opp.h:33)
arch/arm/mach-omap2/resource34xx.c:170: warning: 'opp_id' is deprecated (declared at arch/arm/plat-omap/include/plat/opp.h:33)
arch/arm/mach-omap2/resource34xx.c:172: warning: 'opp_id' is deprecated (declared at arch/arm/plat-omap/include/plat/opp.h:33)
arch/arm/mach-omap2/resource34xx.c: In function 'program_opp':
arch/arm/mach-omap2/resource34xx.c:284: warning: 'opp_id' is deprecated (declared at arch/arm/plat-omap/include/plat/opp.h:33)
arch/arm/mach-omap2/resource34xx.c:285: warning: 'opp_id' is deprecated (declared at arch/arm/plat-omap/include/plat/opp.h:33)

Signed-off-by: Nishanth Menon <nm@ti.com>
---
 arch/arm/mach-omap2/board-3430sdp.c       |    1 +
 arch/arm/mach-omap2/board-omap3beagle.c   |    1 +
 arch/arm/mach-omap2/board-omap3evm.c      |    1 +
 arch/arm/mach-omap2/board-rx51.c          |    1 +
 arch/arm/mach-omap2/board-zoom2.c         |    2 +
 arch/arm/mach-omap2/omap3-opp.h           |   58 +-----------------------
 arch/arm/mach-omap2/pm.h                  |    6 +++
 arch/arm/mach-omap2/pm34xx.c              |   68 +++++++++++++++++++++++++++++
 arch/arm/plat-omap/include/plat/omap-pm.h |   17 +-------
 9 files changed, 84 insertions(+), 71 deletions(-)

diff --git a/arch/arm/mach-omap2/board-3430sdp.c b/arch/arm/mach-omap2/board-3430sdp.c
index eac529f..0ec8327 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-omap3beagle.c b/arch/arm/mach-omap2/board-omap3beagle.c
index 2ec3520..a937238 100644
--- a/arch/arm/mach-omap2/board-omap3beagle.c
+++ b/arch/arm/mach-omap2/board-omap3beagle.c
@@ -361,6 +361,7 @@ 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 8130eca..44a5861 100644
--- a/arch/arm/mach-omap2/board-omap3evm.c
+++ b/arch/arm/mach-omap2/board-omap3evm.c
@@ -404,6 +404,7 @@ 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 dcc5fb8..9d5b078 100644
--- a/arch/arm/mach-omap2/board-zoom2.c
+++ b/arch/arm/mach-omap2/board-zoom2.c
@@ -24,10 +24,12 @@
 #include <mach/board-zoom.h>
 
 #include "sdram-micron-mt46h32m32lf-6.h"
+#include "pm.h"
 #include "omap3-opp.h"
 
 static void __init omap_zoom2_init_irq(void)
 {
+	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/omap3-opp.h b/arch/arm/mach-omap2/omap3-opp.h
index 42557e1..994d8d4 100644
--- a/arch/arm/mach-omap2/omap3-opp.h
+++ b/arch/arm/mach-omap2/omap3-opp.h
@@ -3,60 +3,8 @@
 
 #include <plat/omap-pm.h>
 
-/* MPU speeds */
-#define S600M   600000000
-#define S550M   550000000
-#define S500M   500000000
-#define S250M   250000000
-#define S125M   125000000
-
-/* DSP speeds */
-#define S430M   430000000
-#define S400M   400000000
-#define S360M   360000000
-#define S180M   180000000
-#define S90M    90000000
-
-/* L3 speeds */
-#define S83M    83000000
-#define S166M   166000000
-
-static struct omap_opp omap3_mpu_rate_table[] = {
-	{0, 0, 0, 0},
-	/*OPP1*/
-	{true, S125M, VDD1_OPP1, 0x1E},
-	/*OPP2*/
-	{true, S250M, VDD1_OPP2, 0x26},
-	/*OPP3*/
-	{true, S500M, VDD1_OPP3, 0x30},
-	/*OPP4*/
-	{true, S550M, VDD1_OPP4, 0x36},
-	/*OPP5*/
-	{true, S600M, VDD1_OPP5, 0x3C},
-};
-
-static struct omap_opp omap3_l3_rate_table[] = {
-	{0, 0, 0, 0},
-	/*OPP1*/
-	{false, 0, VDD2_OPP1, 0x1E},
-	/*OPP2*/
-	{true, S83M, VDD2_OPP2, 0x24},
-	/*OPP3*/
-	{true, S166M, VDD2_OPP3, 0x2C},
-};
-
-static struct omap_opp omap3_dsp_rate_table[] = {
-	{0, 0, 0, 0},
-	/*OPP1*/
-	{true, S90M, VDD1_OPP1, 0x1E},
-	/*OPP2*/
-	{true, S180M, VDD1_OPP2, 0x26},
-	/*OPP3*/
-	{true, S360M, VDD1_OPP3, 0x30},
-	/*OPP4*/
-	{true, S400M, VDD1_OPP4, 0x36},
-	/*OPP5*/
-	{true, S430M, VDD1_OPP5, 0x3C},
-};
+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 7bc86b6..80a1c1d 100644
--- a/arch/arm/mach-omap2/pm.h
+++ b/arch/arm/mach-omap2/pm.h
@@ -58,6 +58,12 @@ 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);
diff --git a/arch/arm/mach-omap2/pm34xx.c b/arch/arm/mach-omap2/pm34xx.c
index 627a509..ad21f5f 100644
--- a/arch/arm/mach-omap2/pm34xx.c
+++ b/arch/arm/mach-omap2/pm34xx.c
@@ -40,6 +40,7 @@
 #include <plat/dmtimer.h>
 #include <plat/usb.h>
 
+#include <plat/opp.h>
 #include <plat/resource.h>
 
 #include <asm/tlbflush.h>
@@ -52,6 +53,7 @@
 #include "prm.h"
 #include "pm.h"
 #include "sdrc.h"
+#include "omap3-opp.h"
 
 static int regset_save_on_suspend;
 
@@ -100,6 +102,52 @@ static struct prm_setup_vc prm_setup = {
 	.vdd1_off = 0x00,	/* 0.6v */
 };
 
+static struct omap_opp_def __initdata omap34xx_mpu_rate_table[] = {
+	/*OPP1 975mV */
+	{.enabled = true, .freq = 125000000, .u_volt = 975000},
+	/*OPP2 1.075V */
+	{.enabled = true, .freq = 250000000, .u_volt = 1075000},
+	/*OPP3 1.2V */
+	{.enabled = true, .freq = 500000000, .u_volt = 1200000},
+	/*OPP4 1.270V */
+	{.enabled = true, .freq = 550000000, .u_volt = 1270000},
+	/*OPP5 1.35V */
+	{.enabled = true, .freq = 600000000, .u_volt = 1350000},
+	/* Terminator */
+	{.enabled = 0, .freq = 0, .u_volt = 0}
+};
+
+static struct omap_opp_def __initdata omap34xx_l3_rate_table[] = {
+	/*OPP1 - 975mV */
+	{.enabled = false, .freq = 0, .u_volt = 975000},
+	/*OPP2 1.05V */
+	{.enabled = true, .freq = 83000000, .u_volt = 1050000},
+	/*OPP3 1.15V*/
+	{.enabled = true, .freq = 166000000, .u_volt = 1150000},
+	/* Terminator */
+	{.enabled = 0, .freq = 0, .u_volt = 0}
+};
+
+static struct omap_opp_def __initdata omap34xx_dsp_rate_table[] = {
+	/*OPP1*/
+	{.enabled = true, .freq = 90000000, .u_volt = 975000},
+	/*OPP2*/
+	{.enabled = true, .freq = 180000000, .u_volt = 1075000},
+	/*OPP3*/
+	{.enabled = true, .freq = 360000000, .u_volt = 1200000},
+	/*OPP4*/
+	{.enabled = true, .freq = 400000000, .u_volt = 1270000},
+	/*OPP5*/
+	{.enabled = true, .freq = 430000000, .u_volt = 1350000},
+	/* Terminator */
+	{.enabled = 0, .freq = 0, .u_volt = 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();
@@ -1248,6 +1296,26 @@ static void __init configure_vc(void)
 	pm_dbg_regset_init(2);
 }
 
+void __init omap3_pm_init_opp_table(void)
+{
+	int ret, i;
+	struct omap_opp_def *omap34xx_opp_def_list[] = {
+		omap34xx_mpu_rate_table,
+		omap34xx_l3_rate_table,
+		omap34xx_dsp_rate_table
+	};
+	struct omap_opp **omap3_rate_tables[] = {
+		&omap3_mpu_rate_table,
+		&omap3_l3_rate_table,
+		&omap3_dsp_rate_table
+	};
+	for (i = 0; i < ARRAY_SIZE(omap34xx_opp_def_list); i++) {
+		ret = opp_init(omap3_rate_tables[i], omap34xx_opp_def_list[i]);
+		/* We dont want half configured system at the moment */
+		BUG_ON(ret);
+	}
+}
+
 static int __init omap3_pm_early_init(void)
 {
 	prm_clear_mod_reg_bits(OMAP3430_OFFMODE_POL, OMAP3430_GR_MOD,
diff --git a/arch/arm/plat-omap/include/plat/omap-pm.h b/arch/arm/plat-omap/include/plat/omap-pm.h
index 5dc2048..aa36339 100644
--- a/arch/arm/plat-omap/include/plat/omap-pm.h
+++ b/arch/arm/plat-omap/include/plat/omap-pm.h
@@ -18,22 +18,7 @@
 #include <linux/cpufreq.h>
 
 #include "powerdomain.h"
-
-/**
- * struct omap_opp - clock frequency-to-OPP ID table for DSP, MPU
- * @enabled: enabled if true, disabled if false
- * @rate: target clock rate
- * @opp_id: OPP ID
- * @min_vdd: minimum VDD1 voltage (in millivolts) for this OPP
- *
- * Operating performance point data.  Can vary by OMAP chip and board.
- */
-struct omap_opp {
-	bool enabled;
-	unsigned long rate;
-	u8 opp_id;
-	u16 vsel;
-};
+#include <plat/opp.h>
 
 extern struct omap_opp *mpu_opps;
 extern struct omap_opp *dsp_opps;
-- 
1.6.3.3