X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=arch%2Fblackfin%2Fkernel%2Fbfin_dma_5xx.c;h=d54f19085f37a13d5b7798f387bd65aa83373ce0;hb=22d5c67c5b0476e463ce4b632ba9ec3953d33a5f;hp=b54446055a43c3360ba8551ef5a80e1205664d4e;hpb=28a44d4bd6bdc7d013405bfc2aa7f126d39a7b2b;p=safe%2Fjmp%2Flinux-2.6

diff --git a/arch/blackfin/kernel/bfin_dma_5xx.c b/arch/blackfin/kernel/bfin_dma_5xx.c
index b544460..d54f190 100644
--- a/arch/blackfin/kernel/bfin_dma_5xx.c
+++ b/arch/blackfin/kernel/bfin_dma_5xx.c
@@ -67,7 +67,7 @@ static int __init blackfin_dma_init(void)
 
 	for (i = 0; i < MAX_BLACKFIN_DMA_CHANNEL; i++) {
 		dma_ch[i].chan_status = DMA_CHANNEL_FREE;
-		dma_ch[i].regs = base_addr[i];
+		dma_ch[i].regs = dma_io_base_addr[i];
 		mutex_init(&(dma_ch[i].dmalock));
 	}
 	/* Mark MEMDMA Channel 0 as requested since we're using it internally */
@@ -90,6 +90,17 @@ int request_dma(unsigned int channel, char *device_id)
 {
 
 	pr_debug("request_dma() : BEGIN \n");
+
+#if defined(CONFIG_BF561) && ANOMALY_05000182
+	if (channel >= CH_IMEM_STREAM0_DEST && channel <= CH_IMEM_STREAM1_DEST) {
+		if (get_cclk() > 500000000) {
+			printk(KERN_WARNING
+			       "Request IMDMA failed due to ANOMALY 05000182\n");
+			return -EFAULT;
+		}
+	}
+#endif
+
 	mutex_lock(&(dma_ch[channel].dmalock));
 
 	if ((dma_ch[channel].chan_status == DMA_CHANNEL_REQUESTED)
@@ -104,6 +115,20 @@ int request_dma(unsigned int channel, char *device_id)
 
 	mutex_unlock(&(dma_ch[channel].dmalock));
 
+#ifdef CONFIG_BF54x
+	if (channel >= CH_UART2_RX && channel <= CH_UART3_TX) {
+		if (strncmp(device_id, "BFIN_UART", 9) == 0) {
+			dma_ch[channel].regs->peripheral_map &= 0x0FFF;
+			dma_ch[channel].regs->peripheral_map |=
+				((channel - CH_UART2_RX + 0xC)<<12);
+		} else {
+			dma_ch[channel].regs->peripheral_map &= 0x0FFF;
+			dma_ch[channel].regs->peripheral_map |=
+				((channel - CH_UART2_RX + 0x6)<<12);
+		}
+	}
+#endif
+
 	dma_ch[channel].device_id = device_id;
 	dma_ch[channel].irq_callback = NULL;
 
@@ -339,13 +364,13 @@ EXPORT_SYMBOL(set_dma_config);
 
 unsigned short
 set_bfin_dma_config(char direction, char flow_mode,
-		    char intr_mode, char dma_mode, char width)
+		    char intr_mode, char dma_mode, char width, char syncmode)
 {
 	unsigned short config;
 
 	config =
 	    ((direction << 1) | (width << 2) | (dma_mode << 4) |
-	     (intr_mode << 6) | (flow_mode << 12) | RESTART);
+	     (intr_mode << 6) | (flow_mode << 12) | (syncmode << 5));
 	return config;
 }
 EXPORT_SYMBOL(set_bfin_dma_config);