*/
#include <common.h>
#include <command.h>
-#include <cmd_bsp.h>
#if (CONFIG_COMMANDS & CFG_CMD_NET)
#include <net.h>
#endif
#include <fpga.h>
+#include <malloc.h>
#if 0
#define FPGA_DEBUG
#if defined (CONFIG_FPGA) && ( CONFIG_COMMANDS & CFG_CMD_FPGA )
/* Local functions */
-static void fpga_usage ( cmd_tbl_t *cmdtp );
-static int fpga_get_op( char *opstr );
+static void fpga_usage (cmd_tbl_t * cmdtp);
+static int fpga_get_op (char *opstr);
/* Local defines */
#define FPGA_NONE -1
#define FPGA_INFO 0
#define FPGA_LOAD 1
+#define FPGA_LOADB 2
#define FPGA_DUMP 3
+#define FPGA_LOADMK 4
+
+/* Convert bitstream data and load into the fpga */
+int fpga_loadbitstream(unsigned long dev, char* fpgadata, size_t size)
+{
+ unsigned int length;
+ unsigned char* swapdata;
+ unsigned int swapsize;
+ char buffer[80];
+ unsigned char *ptr;
+ unsigned char *dataptr;
+ unsigned char data;
+ unsigned int i;
+ int rc;
+
+ dataptr = (unsigned char *)fpgadata;
+
+#if CFG_FPGA_XILINX
+ /* skip the first bytes of the bitsteam, their meaning is unknown */
+ length = (*dataptr << 8) + *(dataptr+1);
+ dataptr+=2;
+ dataptr+=length;
+
+ /* get design name (identifier, length, string) */
+ length = (*dataptr << 8) + *(dataptr+1);
+ dataptr+=2;
+ if (*dataptr++ != 0x61) {
+ PRINTF ("%s: Design name identifier not recognized in bitstream\n",
+ __FUNCTION__ );
+ return FPGA_FAIL;
+ }
+
+ length = (*dataptr << 8) + *(dataptr+1);
+ dataptr+=2;
+ for(i=0;i<length;i++)
+ buffer[i]=*dataptr++;
+
+ printf(" design filename = \"%s\"\n", buffer);
+
+ /* get part number (identifier, length, string) */
+ if (*dataptr++ != 0x62) {
+ printf("%s: Part number identifier not recognized in bitstream\n",
+ __FUNCTION__ );
+ return FPGA_FAIL;
+ }
+
+ length = (*dataptr << 8) + *(dataptr+1);
+ dataptr+=2;
+ for(i=0;i<length;i++)
+ buffer[i]=*dataptr++;
+ printf(" part number = \"%s\"\n", buffer);
+
+ /* get date (identifier, length, string) */
+ if (*dataptr++ != 0x63) {
+ printf("%s: Date identifier not recognized in bitstream\n",
+ __FUNCTION__);
+ return FPGA_FAIL;
+ }
+
+ length = (*dataptr << 8) + *(dataptr+1);
+ dataptr+=2;
+ for(i=0;i<length;i++)
+ buffer[i]=*dataptr++;
+ printf(" date = \"%s\"\n", buffer);
+
+ /* get time (identifier, length, string) */
+ if (*dataptr++ != 0x64) {
+ printf("%s: Time identifier not recognized in bitstream\n",__FUNCTION__);
+ return FPGA_FAIL;
+ }
+
+ length = (*dataptr << 8) + *(dataptr+1);
+ dataptr+=2;
+ for(i=0;i<length;i++)
+ buffer[i]=*dataptr++;
+ printf(" time = \"%s\"\n", buffer);
+
+ /* get fpga data length (identifier, length) */
+ if (*dataptr++ != 0x65) {
+ printf("%s: Data length identifier not recognized in bitstream\n",
+ __FUNCTION__);
+ return FPGA_FAIL;
+ }
+ swapsize = ((unsigned int) *dataptr <<24) +
+ ((unsigned int) *(dataptr+1) <<16) +
+ ((unsigned int) *(dataptr+2) <<8 ) +
+ ((unsigned int) *(dataptr+3) ) ;
+ dataptr+=4;
+ printf(" bytes in bitstream = %d\n", swapsize);
+
+ /* check consistency of length obtained */
+ if (swapsize >= size) {
+ printf("%s: Could not find right length of data in bitstream\n",
+ __FUNCTION__);
+ return FPGA_FAIL;
+ }
+
+ /* allocate memory */
+ swapdata = (unsigned char *)malloc(swapsize);
+ if (swapdata == NULL) {
+ printf("%s: Could not allocate %d bytes memory !\n",
+ __FUNCTION__, swapsize);
+ return FPGA_FAIL;
+ }
+
+ /* read data into memory and swap bits */
+ ptr = swapdata;
+ for (i = 0; i < swapsize; i++) {
+ data = 0x00;
+ data |= (*dataptr & 0x01) << 7;
+ data |= (*dataptr & 0x02) << 5;
+ data |= (*dataptr & 0x04) << 3;
+ data |= (*dataptr & 0x08) << 1;
+ data |= (*dataptr & 0x10) >> 1;
+ data |= (*dataptr & 0x20) >> 3;
+ data |= (*dataptr & 0x40) >> 5;
+ data |= (*dataptr & 0x80) >> 7;
+ *ptr++ = data;
+ dataptr++;
+ }
+
+ rc = fpga_load(dev, swapdata, swapsize);
+ free(swapdata);
+ return rc;
+#else
+ printf("Bitstream support only for Xilinx devices\n");
+ return FPGA_FAIL;
+#endif
+}
/* ------------------------------------------------------------------------- */
/* command form:
* If there is no data addr field, the fpgadata environment variable is used.
* The info command requires no data address field.
*/
-int
-do_fpga (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+int do_fpga (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
{
- int op, dev = FPGA_INVALID_DEVICE;
- size_t data_size = 0;
- void *fpga_data = NULL;
- char *devstr = getenv("fpga");
- char *datastr = getenv("fpgadata");
-
- if ( devstr ) dev = (int)simple_strtoul( devstr, NULL, 16 );
- if ( datastr ) fpga_data = (void *)simple_strtoul( datastr, NULL, 16 );
-
- switch ( argc )
- {
- case 5: /* fpga <op> <dev> <data> <datasize> */
- data_size = simple_strtoul( argv[4], NULL, 16 );
- case 4: /* fpga <op> <dev> <data> */
- fpga_data = (void *)simple_strtoul( argv[3], NULL, 16 );
- PRINTF(__FUNCTION__": fpga_data = 0x%x\n", (uint)fpga_data );
- case 3: /* fpga <op> <dev | data addr> */
- dev = (int)simple_strtoul( argv[2], NULL, 16 );
- PRINTF(__FUNCTION__": device = %d\n", dev );
- /* FIXME - this is a really weak test */
- if (( argc == 3 ) && ( dev > fpga_count() )) { /* must be buffer ptr */
- PRINTF(__FUNCTION__": Assuming buffer pointer in arg 3\n");
- fpga_data = (void *)dev;
- PRINTF(__FUNCTION__": fpga_data = 0x%x\n", (uint)fpga_data );
- dev = FPGA_INVALID_DEVICE; /* reset device num */
- }
- case 2: /* fpga <op> */
- op = (int)fpga_get_op( argv[1] );
- break;
- default:
- PRINTF(__FUNCTION__": Too many or too few args (%d)\n", argc );
- op = FPGA_NONE; /* force usage display */
- break;
- }
-
- switch ( op ) {
- case FPGA_NONE:
- fpga_usage( cmdtp );
- break;
-
- case FPGA_INFO:
- fpga_info( dev );
- break;
-
- case FPGA_LOAD:
- fpga_load( dev, fpga_data, data_size );
- break;
-
- case FPGA_DUMP:
- fpga_dump( dev, fpga_data, data_size );
- break;
-
- default:
- printf( "Unknown operation.\n" );
- fpga_usage( cmdtp );
- break;
- }
- return 0;
+ int op, dev = FPGA_INVALID_DEVICE;
+ size_t data_size = 0;
+ void *fpga_data = NULL;
+ char *devstr = getenv ("fpga");
+ char *datastr = getenv ("fpgadata");
+ int rc = FPGA_FAIL;
+
+ if (devstr)
+ dev = (int) simple_strtoul (devstr, NULL, 16);
+ if (datastr)
+ fpga_data = (void *) simple_strtoul (datastr, NULL, 16);
+
+ switch (argc) {
+ case 5: /* fpga <op> <dev> <data> <datasize> */
+ data_size = simple_strtoul (argv[4], NULL, 16);
+ case 4: /* fpga <op> <dev> <data> */
+ fpga_data = (void *) simple_strtoul (argv[3], NULL, 16);
+ PRINTF ("%s: fpga_data = 0x%x\n", __FUNCTION__, (uint) fpga_data);
+ case 3: /* fpga <op> <dev | data addr> */
+ dev = (int) simple_strtoul (argv[2], NULL, 16);
+ PRINTF ("%s: device = %d\n", __FUNCTION__, dev);
+ /* FIXME - this is a really weak test */
+ if ((argc == 3) && (dev > fpga_count ())) { /* must be buffer ptr */
+ PRINTF ("%s: Assuming buffer pointer in arg 3\n",
+ __FUNCTION__);
+ fpga_data = (void *) dev;
+ PRINTF ("%s: fpga_data = 0x%x\n",
+ __FUNCTION__, (uint) fpga_data);
+ dev = FPGA_INVALID_DEVICE; /* reset device num */
+ }
+ case 2: /* fpga <op> */
+ op = (int) fpga_get_op (argv[1]);
+ break;
+ default:
+ PRINTF ("%s: Too many or too few args (%d)\n",
+ __FUNCTION__, argc);
+ op = FPGA_NONE; /* force usage display */
+ break;
+ }
+
+ switch (op) {
+ case FPGA_NONE:
+ fpga_usage (cmdtp);
+ break;
+
+ case FPGA_INFO:
+ rc = fpga_info (dev);
+ break;
+
+ case FPGA_LOAD:
+ rc = fpga_load (dev, fpga_data, data_size);
+ break;
+
+ case FPGA_LOADB:
+ rc = fpga_loadbitstream(dev, fpga_data, data_size);
+ break;
+
+ case FPGA_LOADMK:
+ {
+ image_header_t header;
+ image_header_t *hdr = &header;
+ ulong data;
+
+ memmove (&header, (char *)fpga_data, sizeof(image_header_t));
+ if (ntohl(hdr->ih_magic) != IH_MAGIC) {
+ puts ("Bad Magic Number\n");
+ return 1;
+ }
+ data = ((ulong)fpga_data + sizeof(image_header_t));
+ data_size = ntohl(hdr->ih_size);
+ rc = fpga_load (dev, (void *)data, data_size);
+ }
+ break;
+
+ case FPGA_DUMP:
+ rc = fpga_dump (dev, fpga_data, data_size);
+ break;
+
+ default:
+ printf ("Unknown operation\n");
+ fpga_usage (cmdtp);
+ break;
+ }
+ return (rc);
}
-static void fpga_usage ( cmd_tbl_t *cmdtp )
+static void fpga_usage (cmd_tbl_t * cmdtp)
{
- printf( "Usage:\n%s\n", cmdtp->usage );
+ printf ("Usage:\n%s\n", cmdtp->usage);
}
/*
* Map op to supported operations. We don't use a table since we
* would just have to relocate it from flash anyway.
*/
-static int fpga_get_op( char *opstr )
+static int fpga_get_op (char *opstr)
{
int op = FPGA_NONE;
if (!strcmp ("info", opstr)) {
op = FPGA_INFO;
- }
- else if (!strcmp ("load", opstr)) {
+ } else if (!strcmp ("loadb", opstr)) {
+ op = FPGA_LOADB;
+ } else if (!strcmp ("load", opstr)) {
op = FPGA_LOAD;
- }
- else if (!strcmp ("dump", opstr)) {
+ } else if (!strcmp ("loadmk", opstr)) {
+ op = FPGA_LOADMK;
+ } else if (!strcmp ("dump", opstr)) {
op = FPGA_DUMP;
}
- if ( op == FPGA_NONE ) {
+ if (op == FPGA_NONE) {
printf ("Unknown fpga operation \"%s\"\n", opstr);
}
return op;
}
-cmd_tbl_t U_BOOT_CMD(FPGA) = MK_CMD_ENTRY(
- "fpga", 6, 1, do_fpga,
- "fpga - loadable FPGA image support\n",
- "fpga [operation type] [device number] [image address] [image size]\n"
- "fpga operations:\n"
- "\tinfo\tlist known device information.\n"
- "\tload\tLoad device from memory buffer.\n"
- "\tdump\tLoad device to memory buffer.\n"
-);
-#endif /* CONFIG_FPGA && CONFIG_COMMANDS & CFG_CMD_FPGA */
+U_BOOT_CMD (fpga, 6, 1, do_fpga,
+ "fpga - loadable FPGA image support\n",
+ "fpga [operation type] [device number] [image address] [image size]\n"
+ "fpga operations:\n"
+ "\tinfo\tlist known device information\n"
+ "\tload\tLoad device from memory buffer\n"
+ "\tloadb\tLoad device from bitstream buffer (Xilinx devices only)\n"
+ "\tloadmk\tLoad device generated with mkimage\n"
+ "\tdump\tLoad device to memory buffer\n");
+#endif /* CONFIG_FPGA && CONFIG_COMMANDS & CFG_CMD_FPGA */
projects / karo-tx-uboot.git / blobdiff