init commit via android 4.4 uboot

1 files changed, 210 insertions, 0 deletions

diff --git a/common/cmd_dma.c b/common/cmd_dma.c
new file mode 100755
index 0000000..7f087f3
--- /dev/null
+++ b/common/cmd_dma.c
@@ -0,0 +1,210 @@
+/*

+ * (C) Copyright 2003

+ * Kyle Harris, kharris@nexus-tech.net

+ *

+ * See file CREDITS for list of people who contributed to this

+ * project.

+ *

+ * This program is free software; you can redistribute it and/or

+ * modify it under the terms of the GNU General Public License as

+ * published by the Free Software Foundation; either version 2 of

+ * the License, or (at your option) any later version.

+ *

+ * 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

+ */

+

+#include <common.h>

+#include <command.h>

+#include <config.h>
+#include <asm/errno.h>

+#include <asm/arch/hardware.h>
+#include <part.h>
+#include <asm-arm/arch-wmt/common_def.h>

+

+#if (CONFIG_COMMANDS & CFG_CMD_MMC)

+

+#include <dma.h>

+

+struct DMA_REG   *pDma_Reg = (struct DMA_REG *)BA_DMA;

+

+#define Source1 0x6a10000

+#define Source2 0x3b10000

+#define Source3 0x3c10000

+#define Source4 0x3d10000

+#define Source5 0x3e10000

+#define Source6 0x3f10000

+#define Source7 0x4010000

+#define Source8 0x4110000

+#define Source9 0x4210000

+#define Source10 0x4310000

+#define Source11 0x4410000

+#define Source12 0x4510000

+#define Source13 0x4610000

+#define Source14 0x4710000

+#define Source15 0x4810000

+#define Source16 0x4910000

+#define Destination1 0x6b10000

+#define Destination2 0x5b10000

+#define Destination3 0x5c10000

+#define Destination4 0x5d10000

+#define Destination5 0x5e10000

+#define Destination6 0x5f10000

+#define Destination7 0x6010000

+#define Destination8 0x6110000

+#define Destination9 0x6210000

+#define Destination10 0x6310000

+#define Destination11 0x6410000

+#define Destination12 0x6510000

+#define Destination13 0x6610000

+#define Destination14 0x6710000

+#define Destination15 0x6810000

+#define Destination16 0x6910000

+

+int flag0;

+static	ulong	base_address = 0;
+

+extern int cmd_get_data_size(char *arg, int default_size);

+

+void free_dma_channels(void)

+{

+	unsigned int ch = 0;

+	for (ch = 0; ch < MAX_DMA_CHANNELS; ++ch)

+		free_dma(ch);

+}

+

+

+

+

+

+

+int do_dma_cp ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])

+{
+	ulong	addr, dest, count , tempaddr;

+	int	size;

+	unsigned int ChannelNo;

+	

+

+

+	struct dma_device_cfg configuration = {

+		MEMORY_DMA_REQ,

+		(DMA_WRAP_1|DMA_BURST_8|DMA_SIZE_32|DMA_SG_MODE|DMA_SW_REQ),

+		Source1,

+		Destination1,

+	} ;

+

+	

+	if (argc != 4) {
+		printf ("Usage:\n%s\n", cmdtp->usage);
+		return 1;
+	}
+
+	/* Check for size specification.
+	*/
+	if ((size = cmd_get_data_size(argv[0], 4)) < 0)
+		return 1;
+
+	addr = simple_strtoul(argv[1], NULL, 16);
+	addr += base_address;
+
+	dest = simple_strtoul(argv[2], NULL, 16);
+	dest += base_address;
+
+	count = simple_strtoul(argv[3], NULL, 16);
+
+	if (count == 0) {
+		puts ("Zero length ???\n");
+		return 1;
+	}

+

+	count *= size;

+	

+#ifndef CFG_NO_FLASH
+	/* check if we are copying to Flash */
+	if ( (addr2info(dest) != NULL)
+#ifdef CONFIG_HAS_DATAFLASH
+	   && (!addr_dataflash(addr))
+#endif
+	   ) {
+		int rc;
+
+		puts ("Copy to Flash... ");
+
+		rc = flash_write ((char *)addr, dest, count);

+		if (rc != 0) {
+			flash_perror (rc);
+			return (1);
+		}
+		puts ("done\n");
+		return 0;
+	}
+#endif

+

+	init_dma();

+	if(addr >= 0xFE000000){

+	    *(volatile unsigned int *)(0xD8330000) = 0x33013301;

+    	*(volatile unsigned int *)(0xD8330008) = 0x10004;

+	    *(volatile unsigned int *)(0xD8330010) = 0x10004;

+    	*(volatile unsigned int *)(0xD8330020) = 0x809;

+	    *(volatile unsigned int *)(0xD8330028) = 0x809;	

+	    request_dma(&ChannelNo, "dmacp", I2S_TX_DMA_REQ);

+	}

+	else

+    	request_dma(&ChannelNo, "dmacp", MEMORY_DMA_REQ);

+    if(addr >= 0xFE000000){

+        configuration.DeviceReqType = I2S_TX_DMA_REQ;

+		configuration.DefaultCCR = (DMA_WRAP_1|DMA_BURST_8|DMA_SIZE_32|DMA_SG_MODE|DMA_UP_MEMREG_EN|DEVICE_TO_MEM);

+		tempaddr = addr;

+		addr = dest;

+		dest = tempaddr;

+    }

+    init_descriptstack(ChannelNo);

+	setup_dma(ChannelNo, configuration);

+	

+	//printf("ISR ch%d = %x\n", ChannelNo, pDma_Reg->DMA_ISR);

+	//printf("IER ch%d = %x\n", ChannelNo, pDma_Reg->DMA_IER);

+	//printf("CCR ch%d = %x\n", ChannelNo, pDma_Reg->DMA_CCR_CH[ChannelNo]);

+

+	//{

+	//    start_dma(ChannelNo, (unsigned long)addr, (unsigned long)dest, count);

+    //    printf("DMA%d : handle irq begin\n", ChannelNo);

+    //    handle_dma_irq(ChannelNo);

+    //    printf("DMA%d : handle irq OK\n", ChannelNo);

+    /*******************************************

+	* wait for dma transfer complete and terminal count

+	********************************************/

+	//    while (1) {

+	//	    if (dma_busy(ChannelNo) != 1)

+	//		    break;

+    //	}

+	//    printf("DMA%d : no busy\n", ChannelNo);

+    //	while (1) {

+	//    	if (dma_complete(ChannelNo) == 0)

+	//	    	break;

+    //	}

+	//}

+    handle_transfer(ChannelNo, (unsigned long)addr, (unsigned long)dest, count);

+    reset_descriptstack(ChannelNo);

+    printf("DMA%d : transfer OK\n", ChannelNo);

+	return 0;

+}
+

+

+

+

+U_BOOT_CMD(
+	dmacp,    4,    1,    do_dma_cp,

+	"dmacp     - dma memory copy\n",

+	"[.b, .w, .l] source target count\n    - copy memory\n"

+);
+

+

+#endif	/* CFG_CMD_MMC */

+