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authorVishwanath Sripathy <vishwanath.bs@ti.com>2012-09-25 19:33:50 +0300
committerKevin Hilman <khilman@ti.com>2012-11-05 15:31:49 -0800
commitdf7cded30ced539d3b4e6bae9f3011d98c069d41 (patch)
treee2c05e13249717ea89ab668ede06d19fd0f89d48 /arch/arm/mach-omap2/opp4xxx_data.c
parent83b5b5519c24c2af3e31c723573fbfbf9ba1bbdb (diff)
ARM: OMAP4: OPP: add OMAP4460 definitions
Add OMAP4460 OPP definitions for voltage and frequencies based on OMAP4460 ES1.0 DM Operating Condition Addendum Version 0.1 The following exceptions are present: * Smartreflex support is still on experimental mode: the gains and min limits are currently pending characterization data. Currently OMAP4430 values are used. * Efuse offset for core OPP100-OV setting is not clear in documentation. * IVA OPPs beyond OPP100 are disabled due to the delta between max OMAP4460 current requirements and Phoenix Max supply on VCORE2 in the default configuration - boards which have supply which can support this should explicitly call opp_enable and enable the same. * MPU OPPs > OPPTURBO can easily be detected using a efuse burnt - currently disabled pending clock changes to support DCC feature. [nm@ti.com: cleanups and updates from Datamanual] Signed-off-by: Nishanth Menon <nm@ti.com> Signed-off-by: Vishwanath BS <vishwanath.bs@ti.com> [t-kristo@ti.com: rebased to linux-3.6-rc5] Signed-off-by: Tero Kristo <t-kristo@ti.com> Signed-off-by: Kevin Hilman <khilman@ti.com>
Diffstat (limited to 'arch/arm/mach-omap2/opp4xxx_data.c')
-rw-r--r--arch/arm/mach-omap2/opp4xxx_data.c98
1 files changed, 87 insertions, 11 deletions
diff --git a/arch/arm/mach-omap2/opp4xxx_data.c b/arch/arm/mach-omap2/opp4xxx_data.c
index a9fd6d5fe79..d470b728e72 100644
--- a/arch/arm/mach-omap2/opp4xxx_data.c
+++ b/arch/arm/mach-omap2/opp4xxx_data.c
@@ -1,7 +1,7 @@
/*
* OMAP4 OPP table definitions.
*
- * Copyright (C) 2010 Texas Instruments Incorporated - http://www.ti.com/
+ * Copyright (C) 2010-2012 Texas Instruments Incorporated - http://www.ti.com/
* Nishanth Menon
* Kevin Hilman
* Thara Gopinath
@@ -35,7 +35,7 @@
#define OMAP4430_VDD_MPU_OPPTURBO_UV 1313000
#define OMAP4430_VDD_MPU_OPPNITRO_UV 1375000
-struct omap_volt_data omap44xx_vdd_mpu_volt_data[] = {
+struct omap_volt_data omap443x_vdd_mpu_volt_data[] = {
VOLT_DATA_DEFINE(OMAP4430_VDD_MPU_OPP50_UV, OMAP44XX_CONTROL_FUSE_MPU_OPP50, 0xf4, 0x0c),
VOLT_DATA_DEFINE(OMAP4430_VDD_MPU_OPP100_UV, OMAP44XX_CONTROL_FUSE_MPU_OPP100, 0xf9, 0x16),
VOLT_DATA_DEFINE(OMAP4430_VDD_MPU_OPPTURBO_UV, OMAP44XX_CONTROL_FUSE_MPU_OPPTURBO, 0xfa, 0x23),
@@ -47,7 +47,7 @@ struct omap_volt_data omap44xx_vdd_mpu_volt_data[] = {
#define OMAP4430_VDD_IVA_OPP100_UV 1188000
#define OMAP4430_VDD_IVA_OPPTURBO_UV 1300000
-struct omap_volt_data omap44xx_vdd_iva_volt_data[] = {
+struct omap_volt_data omap443x_vdd_iva_volt_data[] = {
VOLT_DATA_DEFINE(OMAP4430_VDD_IVA_OPP50_UV, OMAP44XX_CONTROL_FUSE_IVA_OPP50, 0xf4, 0x0c),
VOLT_DATA_DEFINE(OMAP4430_VDD_IVA_OPP100_UV, OMAP44XX_CONTROL_FUSE_IVA_OPP100, 0xf9, 0x16),
VOLT_DATA_DEFINE(OMAP4430_VDD_IVA_OPPTURBO_UV, OMAP44XX_CONTROL_FUSE_IVA_OPPTURBO, 0xfa, 0x23),
@@ -57,14 +57,14 @@ struct omap_volt_data omap44xx_vdd_iva_volt_data[] = {
#define OMAP4430_VDD_CORE_OPP50_UV 1025000
#define OMAP4430_VDD_CORE_OPP100_UV 1200000
-struct omap_volt_data omap44xx_vdd_core_volt_data[] = {
+struct omap_volt_data omap443x_vdd_core_volt_data[] = {
VOLT_DATA_DEFINE(OMAP4430_VDD_CORE_OPP50_UV, OMAP44XX_CONTROL_FUSE_CORE_OPP50, 0xf4, 0x0c),
VOLT_DATA_DEFINE(OMAP4430_VDD_CORE_OPP100_UV, OMAP44XX_CONTROL_FUSE_CORE_OPP100, 0xf9, 0x16),
VOLT_DATA_DEFINE(0, 0, 0, 0),
};
-static struct omap_opp_def __initdata omap44xx_opp_def_list[] = {
+static struct omap_opp_def __initdata omap443x_opp_def_list[] = {
/* MPU OPP1 - OPP50 */
OPP_INITIALIZER("mpu", true, 300000000, OMAP4430_VDD_MPU_OPP50_UV),
/* MPU OPP2 - OPP100 */
@@ -86,6 +86,82 @@ static struct omap_opp_def __initdata omap44xx_opp_def_list[] = {
/* TODO: add DSP, aess, fdif, gpu */
};
+#define OMAP4460_VDD_MPU_OPP50_UV 1025000
+#define OMAP4460_VDD_MPU_OPP100_UV 1200000
+#define OMAP4460_VDD_MPU_OPPTURBO_UV 1313000
+#define OMAP4460_VDD_MPU_OPPNITRO_UV 1375000
+
+struct omap_volt_data omap446x_vdd_mpu_volt_data[] = {
+ VOLT_DATA_DEFINE(OMAP4460_VDD_MPU_OPP50_UV, OMAP44XX_CONTROL_FUSE_MPU_OPP50, 0xf4, 0x0c),
+ VOLT_DATA_DEFINE(OMAP4460_VDD_MPU_OPP100_UV, OMAP44XX_CONTROL_FUSE_MPU_OPP100, 0xf9, 0x16),
+ VOLT_DATA_DEFINE(OMAP4460_VDD_MPU_OPPTURBO_UV, OMAP44XX_CONTROL_FUSE_MPU_OPPTURBO, 0xfa, 0x23),
+ VOLT_DATA_DEFINE(OMAP4460_VDD_MPU_OPPNITRO_UV, OMAP44XX_CONTROL_FUSE_MPU_OPPNITRO, 0xfa, 0x27),
+ VOLT_DATA_DEFINE(0, 0, 0, 0),
+};
+
+#define OMAP4460_VDD_IVA_OPP50_UV 1025000
+#define OMAP4460_VDD_IVA_OPP100_UV 1200000
+#define OMAP4460_VDD_IVA_OPPTURBO_UV 1313000
+#define OMAP4460_VDD_IVA_OPPNITRO_UV 1375000
+
+struct omap_volt_data omap446x_vdd_iva_volt_data[] = {
+ VOLT_DATA_DEFINE(OMAP4460_VDD_IVA_OPP50_UV, OMAP44XX_CONTROL_FUSE_IVA_OPP50, 0xf4, 0x0c),
+ VOLT_DATA_DEFINE(OMAP4460_VDD_IVA_OPP100_UV, OMAP44XX_CONTROL_FUSE_IVA_OPP100, 0xf9, 0x16),
+ VOLT_DATA_DEFINE(OMAP4460_VDD_IVA_OPPTURBO_UV, OMAP44XX_CONTROL_FUSE_IVA_OPPTURBO, 0xfa, 0x23),
+ VOLT_DATA_DEFINE(OMAP4460_VDD_IVA_OPPNITRO_UV, OMAP44XX_CONTROL_FUSE_IVA_OPPNITRO, 0xfa, 0x23),
+ VOLT_DATA_DEFINE(0, 0, 0, 0),
+};
+
+#define OMAP4460_VDD_CORE_OPP50_UV 1025000
+#define OMAP4460_VDD_CORE_OPP100_UV 1200000
+#define OMAP4460_VDD_CORE_OPP100_OV_UV 1250000
+
+struct omap_volt_data omap446x_vdd_core_volt_data[] = {
+ VOLT_DATA_DEFINE(OMAP4460_VDD_CORE_OPP50_UV, OMAP44XX_CONTROL_FUSE_CORE_OPP50, 0xf4, 0x0c),
+ VOLT_DATA_DEFINE(OMAP4460_VDD_CORE_OPP100_UV, OMAP44XX_CONTROL_FUSE_CORE_OPP100, 0xf9, 0x16),
+ VOLT_DATA_DEFINE(OMAP4460_VDD_CORE_OPP100_OV_UV, OMAP44XX_CONTROL_FUSE_CORE_OPP100OV, 0xf9, 0x16),
+ VOLT_DATA_DEFINE(0, 0, 0, 0),
+};
+
+static struct omap_opp_def __initdata omap446x_opp_def_list[] = {
+ /* MPU OPP1 - OPP50 */
+ OPP_INITIALIZER("mpu", true, 350000000, OMAP4460_VDD_MPU_OPP50_UV),
+ /* MPU OPP2 - OPP100 */
+ OPP_INITIALIZER("mpu", true, 700000000, OMAP4460_VDD_MPU_OPP100_UV),
+ /* MPU OPP3 - OPP-Turbo */
+ OPP_INITIALIZER("mpu", true, 920000000, OMAP4460_VDD_MPU_OPPTURBO_UV),
+ /*
+ * MPU OPP4 - OPP-Nitro + Disabled as the reference schematics
+ * recommends TPS623631 - confirm and enable the opp in board file
+ * XXX: May be we should enable these based on mpu capability and
+ * Exception board files disable it...
+ */
+ OPP_INITIALIZER("mpu", false, 1200000000, OMAP4460_VDD_MPU_OPPNITRO_UV),
+ /* MPU OPP4 - OPP-Nitro SpeedBin */
+ OPP_INITIALIZER("mpu", false, 1500000000, OMAP4460_VDD_MPU_OPPNITRO_UV),
+ /* L3 OPP1 - OPP50 */
+ OPP_INITIALIZER("l3_main_1", true, 100000000, OMAP4460_VDD_CORE_OPP50_UV),
+ /* L3 OPP2 - OPP100 */
+ OPP_INITIALIZER("l3_main_1", true, 200000000, OMAP4460_VDD_CORE_OPP100_UV),
+ /* IVA OPP1 - OPP50 */
+ OPP_INITIALIZER("iva", true, 133000000, OMAP4460_VDD_IVA_OPP50_UV),
+ /* IVA OPP2 - OPP100 */
+ OPP_INITIALIZER("iva", true, 266100000, OMAP4460_VDD_IVA_OPP100_UV),
+ /*
+ * IVA OPP3 - OPP-Turbo + Disabled as the reference schematics
+ * recommends Phoenix VCORE2 which can supply only 600mA - so the ones
+ * above this OPP frequency, even though OMAP is capable, should be
+ * enabled by board file which is sure of the chip power capability
+ */
+ OPP_INITIALIZER("iva", false, 332000000, OMAP4460_VDD_IVA_OPPTURBO_UV),
+ /* IVA OPP4 - OPP-Nitro */
+ OPP_INITIALIZER("iva", false, 430000000, OMAP4460_VDD_IVA_OPPNITRO_UV),
+ /* IVA OPP5 - OPP-Nitro SpeedBin*/
+ OPP_INITIALIZER("iva", false, 500000000, OMAP4460_VDD_IVA_OPPNITRO_UV),
+
+ /* TODO: add DSP, aess, fdif, gpu */
+};
+
/**
* omap4_opp_init() - initialize omap4 opp table
*/
@@ -93,12 +169,12 @@ int __init omap4_opp_init(void)
{
int r = -ENODEV;
- if (!cpu_is_omap443x())
- return r;
-
- r = omap_init_opp_table(omap44xx_opp_def_list,
- ARRAY_SIZE(omap44xx_opp_def_list));
-
+ if (cpu_is_omap443x())
+ r = omap_init_opp_table(omap443x_opp_def_list,
+ ARRAY_SIZE(omap443x_opp_def_list));
+ else if (cpu_is_omap446x())
+ r = omap_init_opp_table(omap446x_opp_def_list,
+ ARRAY_SIZE(omap446x_opp_def_list));
return r;
}
device_initcall(omap4_opp_init);