commit 8ffe8e45be0d976919b9739cafb72e2a76f848a7
author Subbaraman Narayanamurthy <subbar@codeaurora.org> Tue Sep 07 13:07:13 2010 -0700
committer Subbaraman Narayanamurthy <subbar@codeaurora.org> Tue Sep 07 15:06:42 2010 -0700
tree adc87cb86962d766863bfaad2f7f516f8e92d07e
parent c95b5b1111e9b41b29e7630eac488e86cb4f43ae

[msm7630]: Enable the clock locally for USB.

Early boot chain does not enable USB clock and apps bootloader enables it now.

Change-Id: I3fc8b8957d07eb4deac4f1a0391f374203c1ccd0

platform/msm_shared/hsusb.c

diff --git a/platform/msm_shared/hsusb.c b/platform/msm_shared/hsusb.c
index 9c7e02d..88e4eae 100644
--- a/platform/msm_shared/hsusb.c
+++ b/platform/msm_shared/hsusb.c
@@ -565,16 +565,44 @@
 	writel(val, USB_HS1_XVCR_FS_CLK_NS);
 }
 
+void hsusb_7x30_clock_init(void)
+{
+    int val = 0;
+
+    /* Enable USBH_P_CLK */
+    val = 1 << 25;
+    val = val | readl(SH2_GLBL_CLK_ENA_SC);
+    writel(val, SH2_GLBL_CLK_ENA_SC);
+
+    /* Set value in MD register */
+    val = 0x5DF;
+    writel(val, SH2_USBH_MD_REG);
+
+    /* Set value in NS register */
+    val = 1 << 8;
+    val = val | readl(SH2_USBH_NS_REG);
+    writel(val, SH2_USBH_NS_REG);
+
+    val = 1 << 11;
+    val = val | readl(SH2_USBH_NS_REG);
+    writel(val, SH2_USBH_NS_REG);
+
+    val = 1 << 9;
+    val = val | readl(SH2_USBH_NS_REG);
+    writel(val, SH2_USBH_NS_REG);
+
+    val = 1 << 13;
+    val = val | readl(SH2_USBH_NS_REG);
+    writel(val, SH2_USBH_NS_REG);
+}
+
 void hsusb_clock_init(void)
 {
     // Enable usb clocks from apps processor for 7x30.
     // USB clocks already initialized for other targets
     // so skipping proc comm call to enable usb clocks.
 #ifdef PLATFORM_MSM7X30
-    writel(0x00000100, USBH_NS_REG);
-    writel(0x00000900, USBH_NS_REG);
-    writel(0x00000A00, USBH_NS_REG);
-    writel(0x00002A00, USBH_NS_REG);
+    hsusb_7x30_clock_init();
 #elif PLATFORM_MSM8X60
     hsusb_8x60_clock_init();
 #endif

platform/msm_shared/hsusb.h

diff --git a/platform/msm_shared/hsusb.h b/platform/msm_shared/hsusb.h
index 0035851..791d87b 100644
--- a/platform/msm_shared/hsusb.h
+++ b/platform/msm_shared/hsusb.h
@@ -172,9 +172,10 @@
 #define ULPI_ADDR(n)          (((n) & 255) << 16)
 #define ULPI_DATA(n)          ((n) & 255)
 #define ULPI_DATA_READ(n)     (((n) >> 8) & 255)
-#ifdef PLATFORM_MSM7X30
-#define USBH_NS_REG           (0xAB8002C0)
-#endif
+/* For 7x30 */
+#define SH2_USBH_MD_REG       (0xABA012BC)
+#define SH2_USBH_NS_REG       (0xABA012C0)
+#define SH2_GLBL_CLK_ENA_SC   (0xABA013BC)
 
 /* for USB charging */
 #define TRUE              1