Changeset 3a01483 in mainline for uspace/drv/infrastructure/rootamdm37x/rootamdm37x.c

Timestamp:

2012-04-09T04:03:42Z (12 years ago)

Author:

Jan Vesely <jano.vesely@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

c127e1c

Parents:

ea106a6

Message:

rootamdm37x: Add USB TLL initialization.

USB devices are found (if it's not some trick), but device initialization fails.

File:

• uspace/drv/infrastructure/rootamdm37x/rootamdm37x.c (modified) (3 diffs)

uspace/drv/infrastructure/rootamdm37x/rootamdm37x.c

@@ -158 +158 @@
 }
 
+/** Initialize USB TLL port connections.
+ *
+ * Different modes are on page 3312 of the Manual Figure 22-34.
+ * Select mode than can operate in FS/LS.
+ */
 static int usb_tll_init()
 {
@@ -173 +178 @@
                 return ret;
 
-        /* Reset USB tll */
+        /* Reset USB TLL */
         usb_tll->sysconfig |= TLL_SYSCONFIG_SOFTRESET_FLAG;
         ddf_msg(LVL_DEBUG2, "Waiting for USB TLL reset");
@@ -179 +184 @@
         ddf_msg(LVL_DEBUG, "USB TLL Reset done.");
 
+        {
+        /* Setup idle mode (smart idle) */
+        uint32_t sysc = usb_tll->sysconfig;
+        sysc |= TLL_SYSCONFIG_CLOCKACTIVITY_FLAG | TLL_SYSCONFIG_AUTOIDLE_FLAG;
+        sysc = (sysc
+            & ~(TLL_SYSCONFIG_SIDLE_MODE_MASK << TLL_SYSCONFIG_SIDLE_MODE_SHIFT)
+            ) | (0x2 << TLL_SYSCONFIG_SIDLE_MODE_SHIFT);
+        usb_tll->sysconfig = sysc;
+        ddf_msg(LVL_DEBUG2, "Set TLL->sysconfig (%p) to %x:%x.",
+            &usb_tll->sysconfig, usb_tll->sysconfig, sysc);
+        }
+
+        {
+        /* Smart idle for UHH */
+        uint32_t sysc = uhh_conf->sysconfig;
+        sysc |= UHH_SYSCONFIG_CLOCKACTIVITY_FLAG | UHH_SYSCONFIG_AUTOIDLE_FLAG;
+        sysc = (sysc
+            & ~(UHH_SYSCONFIG_SIDLE_MODE_MASK << UHH_SYSCONFIG_SIDLE_MODE_SHIFT)
+            ) | (0x2 << UHH_SYSCONFIG_SIDLE_MODE_SHIFT);
+        sysc = (sysc
+            & ~(UHH_SYSCONFIG_MIDLE_MODE_MASK << UHH_SYSCONFIG_MIDLE_MODE_SHIFT)
+            ) | (0x2 << UHH_SYSCONFIG_MIDLE_MODE_SHIFT);
+        ddf_msg(LVL_DEBUG2, "Set UHH->sysconfig (%p) to %x.",
+            &uhh_conf->sysconfig, uhh_conf->sysconfig);
+        uhh_conf->sysconfig = sysc;
+
+        /* All ports are connected on BBxM */
+        uhh_conf->hostconfig |= (UHH_HOSTCONFIG_P1_CONNECT_STATUS_FLAG
+            | UHH_HOSTCONFIG_P2_CONNECT_STATUS_FLAG
+            | UHH_HOSTCONFIG_P3_CONNECT_STATUS_FLAG);
+
+        /* Set all ports to go through TLL(UTMI)
+         * Direct connection can only work in HS mode */
+        uhh_conf->hostconfig |= (UHH_HOSTCONFIG_P1_ULPI_BYPASS_FLAG
+            | UHH_HOSTCONFIG_P2_ULPI_BYPASS_FLAG
+            | UHH_HOSTCONFIG_P3_ULPI_BYPASS_FLAG);
+        ddf_msg(LVL_DEBUG2, "Set UHH->hostconfig (%p) to %x.",
+            &uhh_conf->hostconfig, uhh_conf->hostconfig);
+        }
+
+        usb_tll->shared_conf |= TLL_SHARED_CONF_FCLK_IS_ON_FLAG;
+        ddf_msg(LVL_DEBUG2, "Set shared conf port (%p) to %x.",
+            &usb_tll->shared_conf, usb_tll->shared_conf);
+
+        for (unsigned i = 0; i < 3; ++i) {
+                uint32_t ch = usb_tll->channel_conf[i];
+                /* Clear Channel mode and FSLS mode */
+                ch &= ~(TLL_CHANNEL_CONF_CHANMODE_MASK
+                    << TLL_CHANNEL_CONF_CHANMODE_SHIFT)
+                    & ~(TLL_CHANNEL_CONF_FSLSMODE_MASK
+                    << TLL_CHANNEL_CONF_FSLSMODE_SHIFT);
+
+                /* Serial mode is the only one capable of FS/LS operation. */
+                ch |= (TLL_CHANNEL_CONF_CHANMODE_UTMI_SERIAL_MODE
+                    << TLL_CHANNEL_CONF_CHANMODE_SHIFT);
+
+                /* Select FS/LS mode, no idea what the difference is
+                 * one of bidirectional modes might be good choice
+                 * 2 = 3pin bidi phy. */
+                ch |= (2 << TLL_CHANNEL_CONF_FSLSMODE_SHIFT);
+
+                /* Write to register */
+                ddf_msg(LVL_DEBUG2, "Setting port %u(%p) to %x.",
+                    i, &usb_tll->channel_conf[i], ch);
+                usb_tll->channel_conf[i] = ch;
+        }
         return EOK;
 }