diff options
Diffstat (limited to 'drivers/fpga')
| -rw-r--r-- | drivers/fpga/spartan3.c | 54 |
1 files changed, 29 insertions, 25 deletions
diff --git a/drivers/fpga/spartan3.c b/drivers/fpga/spartan3.c index 0fe3041..7a89b56 100644 --- a/drivers/fpga/spartan3.c +++ b/drivers/fpga/spartan3.c @@ -385,34 +385,38 @@ static int Spartan3_ss_load (Xilinx_desc * desc, void *buf, size_t bsize) } while ((*fn->init) (cookie)); /* Load the data */ - while (bytecount < bsize) { - - /* Xilinx detects an error if INIT goes low (active) - while DONE is low (inactive) */ - if ((*fn->done) (cookie) == 0 && (*fn->init) (cookie)) { - puts ("** CRC error during FPGA load.\n"); - return (FPGA_FAIL); - } - val = data [bytecount ++]; - i = 8; - do { - /* Deassert the clock */ - (*fn->clk) (FALSE, TRUE, cookie); - CONFIG_FPGA_DELAY (); - /* Write data */ - (*fn->wr) ((val & 0x80), TRUE, cookie); - CONFIG_FPGA_DELAY (); - /* Assert the clock */ - (*fn->clk) (TRUE, TRUE, cookie); - CONFIG_FPGA_DELAY (); - val <<= 1; - i --; - } while (i > 0); + if(*fn->bwr) + (*fn->bwr) (data, bsize, TRUE, cookie); + else { + while (bytecount < bsize) { + + /* Xilinx detects an error if INIT goes low (active) + while DONE is low (inactive) */ + if ((*fn->done) (cookie) == 0 && (*fn->init) (cookie)) { + puts ("** CRC error during FPGA load.\n"); + return (FPGA_FAIL); + } + val = data [bytecount ++]; + i = 8; + do { + /* Deassert the clock */ + (*fn->clk) (FALSE, TRUE, cookie); + CONFIG_FPGA_DELAY (); + /* Write data */ + (*fn->wr) ((val & 0x80), TRUE, cookie); + CONFIG_FPGA_DELAY (); + /* Assert the clock */ + (*fn->clk) (TRUE, TRUE, cookie); + CONFIG_FPGA_DELAY (); + val <<= 1; + i --; + } while (i > 0); #ifdef CONFIG_SYS_FPGA_PROG_FEEDBACK - if (bytecount % (bsize / 40) == 0) - putc ('.'); /* let them know we are alive */ + if (bytecount % (bsize / 40) == 0) + putc ('.'); /* let them know we are alive */ #endif + } } CONFIG_FPGA_DELAY (); |