[Armadeus-commitlog] SF.net SVN: armadeus:[1167] trunk/target/linux/modules/dma_test/dma.c

[<ar...@us...>]

Revision: 1167
          http://armadeus.svn.sourceforge.net/armadeus/?rev=1167&view=rev
Author:   artemys
Date:     2009-03-16 20:17:50 +0000 (Mon, 16 Mar 2009)

Log Message:
-----------
[LINUX] Change init method of source buffer in DMA test driver

Modified Paths:
--------------
    trunk/target/linux/modules/dma_test/dma.c

Modified: trunk/target/linux/modules/dma_test/dma.c
===================================================================
--- trunk/target/linux/modules/dma_test/dma.c	2009-03-16 15:43:20 UTC (rev 1166)
+++ trunk/target/linux/modules/dma_test/dma.c	2009-03-16 20:17:50 UTC (rev 1167)
@@ -91,7 +91,7 @@
 	if (nb_done > nb_todo) {
 		stop_time = (unsigned int)jiffies;
 		printk("%s: done (%d) at time 0x%08x\n", __func__, nb_done, stop_time);
-		printk("0x%08x 0x%08x\n", dma_dest_buffer.cpu_mem[0], dma_dest_buffer.cpu_mem[1024]);
+		printk("0x%08x 0x%08x\n", dma_dest_buffer.cpu_mem[0], dma_dest_buffer.cpu_mem[4096]);
 		printk("Tranferred %d Bytes in %d msecs\n", (buffer_size * nb_done), (stop_time - start_time)*10);
 		printk(" --> %d Bytes/secs\n", ((buffer_size * nb_done) / ((stop_time - start_time)*10)) * 1000);
 		nb_done = 0;
@@ -196,7 +196,7 @@
 int __init dma_test_init(void)
 {
 	int err, dma_req;
-	unsigned int burstlen;
+	unsigned int burstlen, i;
 	static struct proc_dir_entry *proc_active;
 
 	/* Allocate memory buffers */
@@ -214,7 +214,9 @@
 		return -ENOMEM;
 	}
 
-	memset(dma_source_buffer.cpu_mem, 0xa5, buffer_size);
+	for (i = 0; i <  (buffer_size/sizeof(u32)); i++) {
+		dma_source_buffer.cpu_mem[i] = i;
+	}
 	printk("DMA source virt: 0x%p  phys: 0x%08x\n", dma_source_buffer.cpu_mem, dma_source_buffer.dma_mem);
 	memset(dma_dest_buffer.cpu_mem, 0, buffer_size);
 	printk("DMA dest virt: 0x%p  phys: 0x%08x\n", dma_dest_buffer.cpu_mem, dma_dest_buffer.dma_mem);


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