Changeset 708ec60 in mainline

Timestamp:

2012-04-06T18:13:18Z (12 years ago)

Author:

Jan Vesely <jano.vesely@…>

Branches:

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

Children:

87739fb

Parents:

2096871

Message:

rootamdm37x: Replace magic numbers with proper register struct and defines.

Location:

uspace/drv/infrastructure/rootamdm37x

Files:

• core_cm.h (added)
• rootamdm37x.c (modified) (4 diffs)
• usbhost_cm.h (added)

uspace/drv/infrastructure/rootamdm37x/rootamdm37x.c

@@ -45 +45 @@
 #include "uhh.h"
 #include "usbtll.h"
+#include "core_cm.h"
+#include "usbhost_cm.h"
 
 #define NAME  "rootamdm37x"
@@ -122 +124 @@
 static int usb_clocks(bool on)
 {
-        uint32_t *usb_host_cm = NULL;
-        uint32_t *l4_core_cm = NULL;
-
-        int ret = pio_enable((void*)0x48005400, 8192, (void**)&usb_host_cm);
+        usbhost_cm_regs_t *usb_host_cm = NULL;
+        core_cm_regs_t *l4_core_cm = NULL;
+
+        int ret = pio_enable((void*)USBHOST_CM_BASE_ADDRESS, USBHOST_CM_SIZE,
+            (void**)&usb_host_cm);
         if (ret != EOK)
                 return ret;
 
-        ret = pio_enable((void*)0x48004a00, 8192, (void**)&l4_core_cm);
+        ret = pio_enable((void*)CORE_CM_BASE_ADDRESS, CORE_CM_SIZE,
+            (void**)&l4_core_cm);
         if (ret != EOK)
                 return ret;
@@ -136 +140 @@
         assert(usb_host_cm);
         if (on) {
-                l4_core_cm[0xe] |= 0x4;  /* iclk */
-                l4_core_cm[0x3] |= 0x4;  /* fclk */
-
-                /* offset 0x10 (0x4 int32)[0] enables fclk,
-                 * offset 0x00 (0x0 int32)[0 and 1] enables iclk,
-                 * offset 0x30 (0xc int32)[0] enables autoidle
-                 */
-                usb_host_cm[0x4] = 0x1;
-                usb_host_cm[0x0] = 0x3;
-                usb_host_cm[0xc] = 0x1;
+                l4_core_cm->iclken3 |= CORE_CM_ICLKEN3_EN_USBTLL_FLAG;
+                l4_core_cm->fclken3 |= CORE_CM_FCLKEN3_EN_USBTLL_FLAG;
+                usb_host_cm->iclken |= USBHOST_CM_ICLKEN_EN_USBHOST;
+                usb_host_cm->fclken |= USBHOST_CM_FCLKEN_EN_USBHOST1_FLAG;
+                usb_host_cm->fclken |= USBHOST_CM_FCLKEN_EN_USBHOST2_FLAG;
         } else {
-                usb_host_cm[0xc] = 0;
-                usb_host_cm[0x0] = 0;
-                usb_host_cm[0x4] = 0;
-                l4_core_cm[0xe] &= ~0x4;
-                l4_core_cm[0x3] &= ~0x4;
-        }
+                usb_host_cm->fclken &= ~USBHOST_CM_FCLKEN_EN_USBHOST2_FLAG;
+                usb_host_cm->fclken &= ~USBHOST_CM_FCLKEN_EN_USBHOST1_FLAG;
+                usb_host_cm->iclken &= ~USBHOST_CM_ICLKEN_EN_USBHOST;
+                l4_core_cm->fclken3 &= ~CORE_CM_FCLKEN3_EN_USBTLL_FLAG;
+                l4_core_cm->iclken3 &= ~CORE_CM_ICLKEN3_EN_USBTLL_FLAG;
+        }
+
+        //TODO Unmap those registers.
 
         return ret;
@@ -159 +160 @@
 static int usb_tll_init()
 {
+        tll_regs_t *usb_tll = NULL;
+        uhh_regs_t *uhh_conf = NULL;
+
+        int ret = pio_enable((void*)AMDM37x_USBTLL_BASE_ADDRESS,
+            AMDM37x_USBTLL_SIZE, (void**)&usb_tll);
+        if (ret != EOK)
+                return ret;
+
+        ret = pio_enable((void*)AMDM37x_UHH_BASE_ADDRESS,
+            AMDM37x_UHH_SIZE, (void**)&uhh_conf);
+        if (ret != EOK)
+                return ret;
+
+        /* Reset USB tll */
+        usb_tll->sysconfig |= TLL_SYSCONFIG_SOFTRESET_FLAG;
+        ddf_msg(LVL_DEBUG2, "Waiting for USB TLL reset");
+        while (!(usb_tll->sysstatus & TLL_SYSSTATUS_RESET_DONE_FLAG));
+        ddf_msg(LVL_DEBUG, "USB TLL Reset done.");
+
         return EOK;
 }