Beagleboard rev-c4 has a speed sorted OMAP3530 chip which can run at 720MHz.
Signed-off-by: Tero Kristo
---
arch/arm/mach-omap2/board-omap3beagle.c | 32 +++
arch/arm/mach-omap2/opp3xxx_data.c |4 +++
2 files changed, 36 insertions(+), 0 deletions(-)
diff --git a/arch/arm/mach-omap2/board-omap3beagle.c
b/arch/arm/mach-omap2/board-omap3beagle.c
index 34f8411..ba84c0e 100644
--- a/arch/arm/mach-omap2/board-omap3beagle.c
+++ b/arch/arm/mach-omap2/board-omap3beagle.c
@@ -468,6 +468,38 @@ static void __init beagle_opp_init(void)
return;
}
+ /* Custom OPP enabled for C4 */
+ if (omap3_beagle_get_rev() == OMAP3BEAGLE_BOARD_C4) {
+ struct omap_hwmod *mh = omap_hwmod_lookup("mpu");
+ struct omap_hwmod *dh = omap_hwmod_lookup("iva");
+ struct device *dev;
+
+ if (!mh || !dh) {
+ pr_err("%s: Aiee.. no mpu/dsp devices? %p %p\n",
+ __func__, mh, dh);
+ }
+ /* Enable MPU 720MHz opp */
+ dev = &mh->od->pdev.dev;
+ r = opp_enable(dev, 72000);
+
+ /* Enable IVA 520MHz opp */
+ dev = &dh->od->pdev.dev;
+ r |= opp_enable(dev, 52000);
+
+ if (r) {
+ pr_err("%s: failed to enable higher opp %d\n",
+ __func__, r);
+ /*
+* Cleanup - disable the higher freqs - we dont care
+* about the results
+*/
+ dev = &mh->od->pdev.dev;
+ opp_disable(dev, 72000);
+ dev = &dh->od->pdev.dev;
+ opp_disable(dev, 52000);
+ }
+ }
+
/* Custom OPP enabled for XM */
if (omap3_beagle_get_rev() == OMAP3BEAGLE_BOARD_XM) {
struct omap_hwmod *mh = omap_hwmod_lookup("mpu");
diff --git a/arch/arm/mach-omap2/opp3xxx_data.c
b/arch/arm/mach-omap2/opp3xxx_data.c
index d95f3f9..a0f5fe1 100644
--- a/arch/arm/mach-omap2/opp3xxx_data.c
+++ b/arch/arm/mach-omap2/opp3xxx_data.c
@@ -98,6 +98,8 @@ static struct omap_opp_def __initdata omap34xx_opp_def_list[]
= {
OPP_INITIALIZER("mpu", true, 55000, OMAP3430_VDD_MPU_OPP4_UV),
/* MPU OPP5 */
OPP_INITIALIZER("mpu", true, 6, OMAP3430_VDD_MPU_OPP5_UV),
+ /* MPU OPP6 : omap3530 high speed grade only */
+ OPP_INITIALIZER("mpu", false, 72000, OMAP3430_VDD_MPU_OPP5_UV),
/*
* L3 OPP1 - 41.5 MHz is disabled because: The voltage for that OPP is
@@ -123,6 +125,8 @@ static struct omap_opp_def __initdata
omap34xx_opp_def_list[] = {
OPP_INITIALIZER("iva", true, 4, OMAP3430_VDD_MPU_OPP4_UV),
/* DSP OPP5 */
OPP_INITIALIZER("iva", true, 43000, OMAP3430_VDD_MPU_OPP5_UV),
+ /* DSP OPP6 : omap3530 high speed grade only */
+ OPP_INITIALIZER("iva", false, 52000, OMAP3430_VDD_MPU_OPP5_UV),
};
static struct omap_opp_def __initdata omap36xx_opp_def_list[] = {
--
1.7.4.1
Texas Instruments Oy, Tekniikantie 12, 02150 Espoo. Y-tunnus: 0115040-6.
Kotipaikka: Helsinki
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