Hi Eran,
Please find some comments below.
On Thursday 21 June 2007, eran liberty wrote:
fpga loadi <dev> <image addr> Signed-off-by: Eran Liberty
Please add a more descriptive commit log. What does "loadi" do?
diff -x .svn -Nuar u-boot.git-5ffa76a032279bc6d3230b703eda32d13305ba13/common/cmd_fpga.c u-boot.exsw6000/common/cmd_fpga.c
u-boot.git-5ffa76a032279bc6d3230b703eda32d13305ba13/common/cmd_fpga.c 2007- 06-18 22:38:46.000000000 +0300 +++ u-boot.exsw6000/common/cmd_fpga.c 2007-06-20 19:25:51.000000000 +0300 @@ -32,6 +32,7 @@ #endif #include <fpga.h> #include <malloc.h> +#include <bzlib.h>
#if 0 #define FPGA_DEBUG @@ -45,6 +46,8 @@
#if defined (CONFIG_FPGA) && ( CONFIG_COMMANDS & CFG_CMD_FPGA )
+extern int gunzip(void *dst, int dstlen, unsigned char *src, unsigned long *lenp);
Line wrapped.
/* Local functions */ static void fpga_usage (cmd_tbl_t * cmdtp); static int fpga_get_op (char *opstr); @@ -56,6 +59,89 @@ #define FPGA_LOADB 2 #define FPGA_DUMP 3 #define FPGA_LOADMK 4 +#define FPGA_LOADI 5
+/* Load an image */ +int fpga_loadi( int devnum, void *buf)
No space after "(" please.
+{
- ulong addr = (ulong)(buf);
- ulong data, len, checksum;
- image_header_t hdr;
- unsigned int unc_len;
- unsigned int *punc_len = &unc_len;
- int i;
- /* Copy header so we can blank CRC field for re-calculation */
+#ifdef CONFIG_HAS_DATAFLASH
- if (addr_dataflash(addr)){
read_dataflash(addr, sizeof(image_header_t), (char *)&hdr);- } else
No parentheses for single line statements.
+#endif
memmove (&hdr, (char *)addr, sizeof(image_header_t));- if (ntohl(hdr.ih_magic) != IH_MAGIC) {
puts ("Bad Magic Number\n");return 1;- }
- data = (ulong)&hdr;
- len = sizeof(image_header_t);
- checksum = ntohl(hdr.ih_hcrc);
- hdr.ih_hcrc = 0;
- if (crc32 (0, (uchar *)data, len) != checksum) {
puts ("Bad Header Checksum\n");return 1;- }
+#ifdef CONFIG_HAS_DATAFLASH
- if (addr_dataflash(addr)){
len = ntohl(hdr.ih_size) + sizeof(image_header_t);read_dataflash(addr, len, (char *)CFG_LOAD_ADDR);addr = CFG_LOAD_ADDR;- }
+#endif
- print_image_hdr ((image_header_t *)addr);
- data = addr + sizeof(image_header_t);
- len = ntohl(hdr.ih_size);
- puts (" Verifying Checksum ... ");
- if (crc32 (0, (uchar *)data, len) != ntohl(hdr.ih_dcrc)) {
printf ("Bad Data CRC\n");return 1;- }
- puts ("OK\n");
- switch (hdr.ih_comp) {
- case IH_COMP_NONE:
memmove ((char *)CFG_LOAD_ADDR,(void *)data,len);break;- case IH_COMP_GZIP:
if (gunzip ((char *)CFG_LOAD_ADDR,unc_len,(uchar *)data, &len) != 0) {puts ("GUNZIP ERROR - FPGA not loaded\n");return 1;}len = unc_len;break;+#ifdef CONFIG_BZIP2
- case IH_COMP_BZIP2:
i = BZ2_bzBuffToBuffDecompress ((char *)CFG_LOAD_ADDR,punc_len,(char *)data, len,
1, 0);if (i != BZ_OK) {printf ("BUNZIP2 ERROR %d - FPGA not loaded!\n", i);return 1;}len = unc_len;break;+#endif /* CONFIG_BZIP2 */
- default:
printf ("Unimplemented compression type %d\n", hdr.ih_comp);return 1;- }
- return fpga_load(devnum,(char *)CFG_LOAD_ADDR,len);
+}
/* Convert bitstream data and load into the fpga */ int fpga_loadbitstream(unsigned long dev, char* fpgadata, size_t size) @@ -248,6 +334,10 @@ rc = fpga_load (dev, fpga_data, data_size); break;
- case FPGA_LOADI:
rc = fpga_loadi (dev, fpga_data);break;- case FPGA_LOADB: rc = fpga_loadbitstream(dev, fpga_data, data_size); break;
@@ -298,6 +388,8 @@ op = FPGA_INFO; } else if (!strcmp ("loadb", opstr)) { op = FPGA_LOADB;
- } else if (!strcmp ("loadi", opstr)) {
op = FPGA_LOADI;@@ -317,6 +409,7 @@ "fpga [operation type] [device number] [image address] [image size]\n" "fpga operations:\n" "\tinfo\tlist known device information\n"
"\tloadi\tLoad device from u-boot image\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"
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