zte's code,first commit
Change-Id: I9a04da59e459a9bc0d67f101f700d9d7dc8d681b
diff --git a/boot/common/src/uboot/downloader/cmd_dl_raw.c b/boot/common/src/uboot/downloader/cmd_dl_raw.c
new file mode 100644
index 0000000..eb42af5
--- /dev/null
+++ b/boot/common/src/uboot/downloader/cmd_dl_raw.c
@@ -0,0 +1,244 @@
+/*******************************************************************************
+ * Copyright (C) 2016, ZIXC Corporation.
+ *
+ * File Name:cmd_dl_raw.c
+ * File Mark:
+ * Description:
+ * Others:
+ * Version: 1.0
+ * Author: zangxiaofeng
+ * Date: 2013-6-9
+ * History 1:
+ * Date:
+ * Version:
+ * Author:
+ * Modification:
+ * History 2:
+ ********************************************************************************/
+
+
+/****************************************************************************
+* Include files
+****************************************************************************/
+#include <common.h>
+#include <command.h>
+#include <net.h>
+#include <jffs2/load_kernel.h>
+#include "downloader_config.h"
+#include "downloader_nand.h"
+#include "downloader_serial.h"
+
+#include "errno.h"
+
+extern int downloader_readline (char * buffer);
+extern char *tsp_console_buffer;
+
+/*******************************************************************************
+ * Function:do_raw_write
+ * Description:
+ * Parameters:
+ * Input:
+ *
+ * Output:
+ *
+ * Returns:
+ *
+ *
+ * Others:
+ ********************************************************************************/
+int do_raw_write(unsigned int offset, unsigned int size)
+{
+ char *ack = tsp_console_buffer;
+ unsigned int leftWriteLength = 0;
+ unsigned int curWriteLength = 0;
+#ifdef CONFIG_LOAD_CRC
+ unsigned long crc = 0;
+ unsigned long crc1 = 0;
+#endif
+ int ret = 0;
+ nand_info_t *pNandInfo = NULL;
+ //struct erase_info instr;
+
+ pNandInfo = &nand_info[nand_curr_device];
+ assert(pNandInfo!=NULL);
+
+ leftWriteLength = size;
+
+ if((size==0)||(offset+size > pNandInfo->size))
+ {
+ sprintf(ack,"FAIL INVALID LENGTH");
+ downloader_serial_write(ack, strlen(ack)+1);
+ return EINVAL; /* Invalid argument */
+ }
+ ret = do_raw_erase(offset, size);
+ if(ret)
+ {
+ sprintf(ack,"FAIL ERASE ERROR");
+ downloader_serial_write(ack, strlen(ack)+1);
+ return ENOSYS; /* Function not implemented */
+ }
+
+ while(leftWriteLength>0)
+ {
+ curWriteLength = MIN(leftWriteLength,DOWNLOADER_BUFFER_SIZE);
+#ifdef CONFIG_LOAD_CRC
+ sprintf(ack,"DATACRC %08x",curWriteLength);
+#else
+ sprintf(ack,"DATA %08x",curWriteLength);
+#endif
+ downloader_serial_write(ack, strlen(ack)+1);
+#ifdef CONFIG_LOAD_CRC
+ downloader_serial_read_actuallen((char *)DOWNLOADER_BUFFER_BASE, curWriteLength+4);
+ crc = crc32(0,(unsigned char*)DOWNLOADER_BUFFER_BASE,curWriteLength);
+ memcpy((unsigned char *)(&crc1),(unsigned char*)(DOWNLOADER_BUFFER_BASE+curWriteLength),4);
+ //printf("CRC_calc= %x,CRC_rec=%x \n",crc,crc1);
+ if(crc != crc1)
+ {
+ sprintf(ack,"FAIL CRC ERROR");
+ downloader_serial_write(ack, strlen(ack)+1);
+ return ENOSYS; /* Function not implemented */
+ }
+#else
+ downloader_serial_read_actuallen((char *)DOWNLOADER_BUFFER_BASE, curWriteLength);
+#endif
+ //printf("start to write\n");
+ ret = nand_write_skip_bad( pNandInfo, offset, &curWriteLength, (unsigned char *)DOWNLOADER_BUFFER_BASE,0);
+ if(ret)
+ {
+ sprintf(ack,"FAIL NAND WRITE %d,%d,ret = %d",offset,curWriteLength,ret);
+ downloader_serial_write(ack, strlen(ack)+1);
+ return ENOSYS; /* Function not implemented */
+ }
+ //printf("finish writing\n");
+ leftWriteLength -= curWriteLength;
+ offset += curWriteLength;
+ }
+ //printf("finish writing, leftlen = %d \n",leftWriteLength);
+ sprintf(ack,"OKAY");
+ downloader_serial_write(ack, strlen(ack)+1);
+ return 0;
+
+
+
+}
+
+/*******************************************************************************
+ * Function:do_raw_read
+ * Description:
+ * Parameters:
+ * Input:
+ *
+ * Output:
+ *
+ * Returns:
+ *
+ *
+ * Others:
+ ********************************************************************************/
+int do_raw_read(unsigned int offset, unsigned int size)
+{
+ char *rx_buffer = tsp_console_buffer;
+ char *ack = tsp_console_buffer;
+ unsigned int leftReadLength = 0;
+ unsigned int curReadLength = 0;
+ int ret = 0;
+ nand_info_t *pNandInfo = NULL;
+ //struct erase_info instr;
+
+ pNandInfo = &nand_info[nand_curr_device];
+ assert(pNandInfo!=NULL);
+
+ leftReadLength = size;
+ if((size==0)||(offset+size > pNandInfo->size))
+ {
+ sprintf(ack,"FAIL INVALID LENGTH");
+ downloader_serial_write(ack, strlen(ack)+1);
+ return EINVAL; /* Invalid argument */
+ }
+
+ sprintf(ack,"DATA %08x",MIN(size,DOWNLOADER_BUFFER_SIZE));
+ downloader_serial_write(ack, strlen(ack)+1);
+
+ while(leftReadLength>0)
+ {
+ curReadLength = MIN(leftReadLength,DOWNLOADER_BUFFER_SIZE);
+ downloader_readline(rx_buffer);
+ if(memcmp(rx_buffer,"OKAY",4)==0)
+ {
+ ret = nand_read_skip_bad( pNandInfo, offset, &curReadLength, (unsigned char *)DOWNLOADER_BUFFER_BASE);
+ if(ret)
+ {
+ sprintf(ack,"FAIL NAND READ %d,%d, ret = %d",offset,curReadLength,ret);
+ downloader_serial_write(ack, strlen(ack)+1);
+ return ENOSYS; /* Function not implemented */
+ }
+ //printf("start to upload LEN=%d \n",curReadLength);
+
+ downloader_serial_write_actuallen((const char *)DOWNLOADER_BUFFER_BASE, curReadLength);
+ }
+ else
+ {
+ sprintf(ack,"FAIL COMMAND ERROR");
+ downloader_serial_write(ack, strlen(ack)+1);
+ return EBADRQC; /* Invalid request code */
+ }
+ leftReadLength -= curReadLength;
+ offset += curReadLength;
+ }
+ downloader_readline(rx_buffer);
+ if(memcmp(rx_buffer,"OKAY",4)==0)
+ {
+ return 0;
+ }
+ else
+ {
+ sprintf(ack,"FAIL COMMAND ERROR");
+ downloader_serial_write(ack, strlen(ack)+1);
+ return -1;
+ }
+}
+
+int do_raw_erase(unsigned int offset, unsigned int partEraseSize)
+{
+ nand_info_t *pNandInfo = NULL;
+ struct erase_info instr;
+ unsigned int size = 0;
+ unsigned int ret = 0;
+
+ pNandInfo = &nand_info[nand_curr_device];
+ assert(pNandInfo!=NULL);
+ instr.mtd = pNandInfo;
+ instr.addr = offset;
+ assert( (instr.addr & (pNandInfo->erasesize - 1)) == 0);
+ instr.callback = 0;
+
+ while((size < partEraseSize) && (instr.addr < (offset+partEraseSize)))
+ {
+ if(nand_block_isbad (pNandInfo, instr.addr))
+ {
+ instr.addr += pNandInfo->erasesize;
+ continue ;
+ }
+ instr.len = pNandInfo->erasesize;
+ instr.state = 0;
+ ret = pNandInfo->erase(pNandInfo, &instr);
+ if(ret && instr.state == MTD_ERASE_FAILED)
+ {
+ pNandInfo->block_markbad(pNandInfo,instr.addr);
+ }
+ else if (ret == 0)
+ {
+ size += pNandInfo->erasesize;
+ }
+ else
+ {
+ printf( "downloader nand: erase error\n");
+ return 1;
+ }
+ instr.addr += pNandInfo->erasesize;
+ }
+ return 0;
+
+}
+
+