1 files changed, 146 insertions, 0 deletions
diff --git a/board/aspeed/ast2300/mictest.c b/board/aspeed/ast2300/mictest.c
new file mode 100755
index 0000000000..1b2b342894
--- /dev/null
+++ b/board/aspeed/ast2300/mictest.c
@@ -0,0 +1,146 @@
+/*
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+/*
+ * Diagnostics support
+ */
+#include <common.h>
+#include <command.h>
+#include <post.h>
+#include "slt.h"
+
+#if ((CFG_CMD_SLT & CFG_CMD_MICTEST) && defined(CONFIG_SLT))
+#include "mictest.h"
+
+static unsigned char ctrlbuf[MIC_MAX_CTRL];
+static unsigned char chksumbuf[MIC_MAX_CHKSUM];
+
+void vInitSCU(void)
+{
+    unsigned long ulData;
+
+    *(unsigned long *) (0x1e6e2000) = 0x1688A8A8;
+
+    udelay(100);
+
+    ulData = *(unsigned long *) (0x1e6e2004);
+    ulData &= 0xbffff;
+    *(unsigned long *) (0x1e6e2004) = ulData;
+         	
+}
+
+void vInitMIC(void)
+{
+    unsigned long i, j, ulPageNumber;
+    unsigned char *pjctrl, *pjsum;
+    
+    ulPageNumber = DRAMSIZE >> 12;	
+
+    pjctrl = (unsigned char *)(m16byteAlignment((unsigned long) ctrlbuf));
+    pjsum = (unsigned char *)(m16byteAlignment((unsigned long) chksumbuf));
+    
+    /* init ctrl buffer (2bits for one page) */
+    for (i=0; i< (ulPageNumber/4); i++)
+        *(unsigned char *) (pjctrl + i) = DEFAULT_CTRL;
+      
+    /* init chksum buf (4bytes for one page) */
+    for (i=0; i<ulPageNumber; i++)
+        *(unsigned long *) (pjsum + i*4) = DEFAULT_CHKSUM;
+    
+    *(unsigned long *) (MIC_BASE + MIC_CTRLBUFF_REG)   = (unsigned long) pjctrl;
+    *(unsigned long *) (MIC_BASE + MIC_CHKSUMBUF_REG)  = (unsigned long) pjsum;
+    *(unsigned long *) (MIC_BASE + MIC_RATECTRL_REG)   = (unsigned long) DEFAULT_RATE;
+    *(unsigned long *) (MIC_BASE + MIC_ENGINECTRL_REG) = MIC_ENABLE_MIC | (DRAMSIZE - 0x1000);
+	
+}
+
+void vDisableMIC(void)
+{
+    *(unsigned long *) (MIC_BASE + MIC_ENGINECTRL_REG)   = MIC_RESET_MIC;
+	
+}
+
+int do_chksum(void)
+{
+    unsigned long i, j, k, ulPageNumber;
+    int Status = 0;
+    unsigned short tmp;
+    volatile unsigned long sum1, sum2;
+    unsigned long goldensum, chksum;
+    unsigned long len, tlen;
+    unsigned char *pjsum;
+
+    ulPageNumber = DRAMSIZE >> 12;	
+    pjsum = (unsigned char *)(m16byteAlignment((unsigned long) chksumbuf));
+
+    /* start test */    
+    for (i=0; i<ulPageNumber; i++)
+    {
+    	
+    	sum1 = 0xffff, sum2 = 0xffff;
+    	len = 0x0800;
+    	j = 0;
+    	
+    	while (len)
+    	{
+    	    tlen = len > 360 ? 360 : len;
+    	    len -= tlen;
+    	    do {
+    	       tmp = *(unsigned short *) (DRAM_BASE + ((i << 12) + j));	
+               sum1 += (unsigned long) tmp;   	    	
+    	       sum2 += sum1;
+    	       j+=2;
+    	    } while (--tlen);
+    	    sum1 = (sum1 & 0xffff) + (sum1 >> 16);
+    	    sum2 = (sum2 & 0xffff) + (sum2 >> 16);   	        	
+    	}
+    	
+    	sum1 = (sum1 & 0xffff) + (sum1 >> 16);
+    	sum2 = (sum2 & 0xffff) + (sum2 >> 16);
+    	
+    	goldensum = (sum2 << 16) | sum1;
+        k= 0;
+        do {
+            chksum = *(unsigned long *) (pjsum + i*4);
+            udelay(100);
+            k++;
+    	} while ((chksum == 0) && (k<1000));
+    	
+    	if (chksum != goldensum)
+    	{
+    	        Status = 1;	
+                printf("[FAIL] MIC Chksum Failed at Page %x \n", i);
+    	}
+
+    } /* end of i loop */
+		
+    return (Status);
+    	
+}
+
+int do_mictest (void)
+{
+        unsigned long Flags = 0;
+
+        vInitSCU();
+        vInitMIC();
+        
+        if (do_chksum())
+            Flags = 1;
+            
+        vDisableMIC();
+        
+	return Flags;
+	
+}
+
+#endif /* CONFIG_SLT */