linux-am335x-psp: Add 1 GHZ Support for BBB

Signed-off-by: Franklin S. Cooper Jr <fcooper@ti.com>
Signed-off-by: Denys Dmytriyenko <denys@ti.com>

2 files changed, 45 insertions, 2 deletions

diff --git a/recipes-kernel/linux/linux-am335x-psp-3.2/0001-am335x-Re-enable-Turbo-and-Nitro-modes-for-Beaglebon.patch b/recipes-kernel/linux/linux-am335x-psp-3.2/0001-am335x-Re-enable-Turbo-and-Nitro-modes-for-Beaglebon.patch
new file mode 100644
index 00000000..17a87af9
--- /dev/null
+++ b/recipes-kernel/linux/linux-am335x-psp-3.2/0001-am335x-Re-enable-Turbo-and-Nitro-modes-for-Beaglebon.patch
@@ -0,0 +1,41 @@
+From ec0ec41418ec1193e4352f1983ab29173f10f855 Mon Sep 17 00:00:00 2001
+From: Steve Kipisz <s-kipisz2@ti.com>
+Date: Wed, 5 Jun 2013 10:10:44 -0500
+Subject: [PATCH] am335x:Re-enable Turbo and Nitro modes for Beaglebone Black
+ The Beaglebone Black boards use a speed binned PG2.0 AM335x
+ that operate up to 1GHz so re-enable those modes for
+ Beaglebone Black.
+
+Signed-off-by: Steve Kipisz <s-kipisz2@ti.com>
+---
+ arch/arm/mach-omap2/board-am335xevm.c |   14 ++++++++++++++
+ 1 file changed, 14 insertions(+)
+
+diff --git a/arch/arm/mach-omap2/board-am335xevm.c b/arch/arm/mach-omap2/board-am335xevm.c
+index bac415c..47e5a9d 100644
+--- a/arch/arm/mach-omap2/board-am335xevm.c
++++ b/arch/arm/mach-omap2/board-am335xevm.c
+@@ -2529,6 +2529,20 @@ static void am335x_evm_setup(struct memory_accessor *mem_acc, void *context)
+ 
+        am335x_opp_update();
+ 
++       /*
++        * For now, Beaglebone Black uses PG 2.0 that are speed binned and operate
++        * up to 1GHz. So re-enable Turbo and Nitro modes,
++        */
++       if (!strncmp("A335BNLT", config.name, 8)) {
++               struct device *mpu_dev;
++
++               mpu_dev = omap_device_get_by_hwmod_name("mpu");
++               opp_enable(mpu_dev,
++                           AM33XX_ES2_0_OPPTURBO_FREQ);
++               opp_enable(mpu_dev,
++                           AM33XX_ES2_0_OPPNITRO_FREQ);
++       }
++
+        /* SmartReflex also requires board information. */
+        am33xx_sr_init();
+ 
+-- 
+1.7.9.5
+
diff --git a/recipes-kernel/linux/linux-am335x-psp_3.2.bb b/recipes-kernel/linux/linux-am335x-psp_3.2.bb
index 257c6dea..eaf788f0 100644
--- a/recipes-kernel/linux/linux-am335x-psp_3.2.bb
+++ b/recipes-kernel/linux/linux-am335x-psp_3.2.bb
@@ -15,7 +15,7 @@ DEPENDS += "am33x-cm3"
 KERNEL_IMAGETYPE = "uImage"
 
 # The main PR is now using MACHINE_KERNEL_PR, for ti33x see conf/machine/include/ti33x.inc
-MACHINE_KERNEL_PR_append = "g+gitr${SRCPV}"
+MACHINE_KERNEL_PR_append = "h+gitr${SRCPV}"
 
 BRANCH = "v3.2-staging"
 
@@ -88,7 +88,9 @@ PATCHES += "file://0001-am335x-enable-pullup-on-the-WLAN-enable-pin-fo.patch"
 PATCHES += "file://0001-ARM-OMAP2-AM335x-Update-SPI-flash-layout.patch"
 
 # Add support for Beaglebone Black
-PATCHES += "file://0001-am335x-Add-minimal-support-for-Beaglebone-Black.patch"
+PATCHES += "file://0001-am335x-Add-minimal-support-for-Beaglebone-Black.patch \
+            file://0001-am335x-Re-enable-Turbo-and-Nitro-modes-for-Beaglebon.patch \
+"
 
 # Copy the am33x-cm3 firmware if it is available
 do_configure_append() {