[Skyeye-developer] SF.net SVN: skyeye: [309] skyeye-v1/trunk/device/net

[Michael.Kang]

Revision: 309
          http://skyeye.svn.sourceforge.net/skyeye/?rev=309&view=rev
Author:   kangsh
Date:     2007-09-17 01:30:34 -0700 (Mon, 17 Sep 2007)

Log Message:
-----------
commit the patch provided by gbf0871 that can run u-boot with tftp
feature.

Modified Paths:
--------------
    skyeye-v1/trunk/device/net/dev_net_cs8900a.c
    skyeye-v1/trunk/device/net/dev_net_cs8900a.h

Modified: skyeye-v1/trunk/device/net/dev_net_cs8900a.c
===================================================================
--- skyeye-v1/trunk/device/net/dev_net_cs8900a.c        2007-09-16
03:19:41 UTC (rev 308)
+++ skyeye-v1/trunk/device/net/dev_net_cs8900a.c        2007-09-17
08:30:34 UTC (rev 309)
@@ -167,6 +167,9 @@
                return;
        }
        *data = io->rx_frame[io->rx_tail];
+       if (io->rx_tail==io->rx_head) {
+               io->ctrl_st[CtrlStNum (PP_RxEvent)] &= ~0x100;
+       }
        io->rx_tail++;
 }

@@ -311,6 +314,8 @@
                io->tx_frame = (u16 *) malloc (Tx_Frame_Count);
        memset (io->tx_frame, 0, Tx_Frame_Count);
        io->tx_head = io->tx_tail = 0;
+       io->ctrl_st[CtrlStNum (PP_SelfST)] |= INITD;
+       io->ctrl_st[CtrlStNum (PP_LineST)] |= LINK_OK;
 }

 static void
@@ -471,7 +476,10 @@
        struct net_cs8900a_io *io = (struct net_cs8900a_io *) dev->data;
        int packet_len, cs8900a_len;
        u8 *bufptr;
-
+     /*When the CS8900A commits buffer space to a par-
+       ticular held receive frame ,data from subsequent frames can be
written P85*/
+       if (io->ctrl_st[CtrlStNum (PP_RxEvent)] &= 0x100)
+               return;
        bufptr = (u8 *) & (io->rx_frame[2]);
        packet_len = net_dev->net_read (net_dev, bufptr, Rx_Max_Count);
        if (packet_len < 0)

Modified: skyeye-v1/trunk/device/net/dev_net_cs8900a.h
===================================================================
--- skyeye-v1/trunk/device/net/dev_net_cs8900a.h        2007-09-16
03:19:41 UTC (rev 308)
+++ skyeye-v1/trunk/device/net/dev_net_cs8900a.h        2007-09-17
08:30:34 UTC (rev 309)
@@ -266,6 +266,13 @@
 #define ELpresent              0x0800
 #define EEsize                 0x1000

+/* PP_LineST - Ethernet Line Status bit definition - Read-only */
+#define LINK_OK 0x0080
+#define AUI_ON 0x0100
+#define TENBASET_ON 0x0200
+#define POLARITY_OK 0x1000
+#define CRS_OK 0x4000
+
 /* PP_EEPROMCommand */
 #define EEWriteEnable  0x00F0
 #define EEWriteDis     0x0000


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