From a6713a5c628a18ff9c9676c4522e6cd3043f4f2b Mon Sep 17 00:00:00 2001
From: oharboe <oharboe@b42882b7-edfa-0310-969c-e2dbd0fdcd60>
Date: Mon, 11 May 2009 09:18:02 +0000
Subject: [PATCH] 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
---
src/pld/virtex2.c | 15 +++++++++++----
1 file changed, 11 insertions(+), 4 deletions(-)
diff --git a/src/pld/virtex2.c b/src/pld/virtex2.c
index d9c26760c..36fa89c43 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;
--
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