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author | oharboe <oharboe@b42882b7-edfa-0310-969c-e2dbd0fdcd60> | 2009-05-11 09:18:02 +0000 |
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committer | oharboe <oharboe@b42882b7-edfa-0310-969c-e2dbd0fdcd60> | 2009-05-11 09:18:02 +0000 |
commit | a6713a5c628a18ff9c9676c4522e6cd3043f4f2b (patch) | |
tree | 6616e3c3aa19a36cadd56f553e32d528e444d934 /src/pld/virtex2.c | |
parent | 6e1b0ba9ac5ce4ca9f9039482f3b254f3dfb9a85 (diff) | |
download | riscv-openocd-a6713a5c628a18ff9c9676c4522e6cd3043f4f2b.zip riscv-openocd-a6713a5c628a18ff9c9676c4522e6cd3043f4f2b.tar.gz riscv-openocd-a6713a5c628a18ff9c9676c4522e6cd3043f4f2b.tar.bz2 |
switch to jtag_add_dr_scan() from the synchronous version - USB performance fix
git-svn-id: svn://svn.berlios.de/openocd/trunk@1740 b42882b7-edfa-0310-969c-e2dbd0fdcd60
Diffstat (limited to 'src/pld/virtex2.c')
-rw-r--r-- | src/pld/virtex2.c | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/src/pld/virtex2.c b/src/pld/virtex2.c index d9c2676..36fa89c 100644 --- a/src/pld/virtex2.c +++ b/src/pld/virtex2.c @@ -92,6 +92,10 @@ int virtex2_send_32(struct pld_device_s *pld_device, int num_words, u32 *words) return ERROR_OK; } +static __inline__ void virtexflip32(u8 *in) +{ + *((u32 *)in)=flip_u32(le_to_h_u32(in), 32); +} int virtex2_receive_32(struct pld_device_s *pld_device, int num_words, u32 *words) { @@ -101,16 +105,19 @@ int virtex2_receive_32(struct pld_device_s *pld_device, int num_words, u32 *word scan_field.tap = virtex2_info->tap; scan_field.num_bits = 32; scan_field.out_value = NULL; - u8 tmp[4]; - scan_field.in_value = tmp; + scan_field.in_value = NULL; virtex2_set_instr(virtex2_info->tap, 0x4); /* CFG_OUT */ while (num_words--) { - jtag_add_dr_scan_now(1, &scan_field, TAP_DRPAUSE); + scan_field.in_value = (u8 *)words; + + jtag_add_dr_scan(1, &scan_field, TAP_DRPAUSE); + + jtag_add_callback(virtexflip32, (u8 *)words); - *words++=flip_u32(le_to_h_u32(tmp), 32); + words++;; } return ERROR_OK; |