This patch adds a post configuration callback for Spartan2/3 FPGAs. pre and post configuration callback are now optional and not called when the function pointer is set to NULL.

Signed-off-by: Matthias Fuchs matthias.fuchs@esd-electronics.com --- common/spartan2.c | 18 ++++++++++++++++-- common/spartan3.c | 18 ++++++++++++++++-- include/spartan2.h | 1 + include/spartan3.h | 1 + 4 files changed, 34 insertions(+), 4 deletions(-)

diff --git a/common/spartan2.c b/common/spartan2.c index 457009f..ef107bc 100644 --- a/common/spartan2.c +++ b/common/spartan2.c @@ -561,6 +561,13 @@ static int Spartan2_ss_load (Xilinx_desc * desc, void *buf, size_t bsize) } putc ('\n'); /* terminate the dotted line */

+ /* + * Run the post configuration function if there is one. + */ + if (*fn->post) { + (*fn->post) (cookie); + } + #ifdef CFG_FPGA_PROG_FEEDBACK if (ret_val == FPGA_SUCCESS) { puts ("Done.\n"); @@ -615,8 +622,10 @@ static int Spartan2_ss_reloc (Xilinx_desc * desc, ulong reloc_offset) PRINTF ("%s: Relocating descriptor at 0x%p\n", __FUNCTION__, desc);

- addr = (ulong) (fn->pre) + reloc_offset; - fn_r->pre = (Xilinx_pre_fn) addr; + if (fn->pre) { + addr = (ulong) (fn->pre) + reloc_offset; + fn_r->pre = (Xilinx_pre_fn) addr; + }

addr = (ulong) (fn->pgm) + reloc_offset; fn_r->pgm = (Xilinx_pgm_fn) addr; @@ -633,6 +642,11 @@ static int Spartan2_ss_reloc (Xilinx_desc * desc, ulong reloc_offset) addr = (ulong) (fn->wr) + reloc_offset; fn_r->wr = (Xilinx_wr_fn) addr;

+ if (fn->post) { + addr = (ulong) (fn->post) + reloc_offset; + fn_r->post = (Xilinx_post_fn) addr; + } + fn_r->relocated = TRUE;

} else { diff --git a/common/spartan3.c b/common/spartan3.c index 17379eb..56a172e 100644 --- a/common/spartan3.c +++ b/common/spartan3.c @@ -566,6 +566,13 @@ static int Spartan3_ss_load (Xilinx_desc * desc, void *buf, size_t bsize) } putc ('\n'); /* terminate the dotted line */

+ /* + * Run the post configuration function if there is one. + */ + if (*fn->post) { + (*fn->post) (cookie); + } + #ifdef CFG_FPGA_PROG_FEEDBACK if (ret_val == FPGA_SUCCESS) { puts ("Done.\n"); @@ -620,8 +627,10 @@ static int Spartan3_ss_reloc (Xilinx_desc * desc, ulong reloc_offset) PRINTF ("%s: Relocating descriptor at 0x%p\n", __FUNCTION__, desc);

- addr = (ulong) (fn->pre) + reloc_offset; - fn_r->pre = (Xilinx_pre_fn) addr; + if (fn->pre) { + addr = (ulong) (fn->pre) + reloc_offset; + fn_r->pre = (Xilinx_pre_fn) addr; + }

addr = (ulong) (fn->pgm) + reloc_offset; fn_r->pgm = (Xilinx_pgm_fn) addr; @@ -638,6 +647,11 @@ static int Spartan3_ss_reloc (Xilinx_desc * desc, ulong reloc_offset) addr = (ulong) (fn->wr) + reloc_offset; fn_r->wr = (Xilinx_wr_fn) addr;

+ if (fn->post) { + addr = (ulong) (fn->post) + reloc_offset; + fn_r->post = (Xilinx_post_fn) addr; + } + fn_r->relocated = TRUE;

} else { diff --git a/include/spartan2.h b/include/spartan2.h index d2e81e3..f3cde68 100644 --- a/include/spartan2.h +++ b/include/spartan2.h @@ -58,6 +58,7 @@ typedef struct { Xilinx_init_fn init; Xilinx_done_fn done; Xilinx_wr_fn wr; + Xilinx_post_fn post; int relocated; } Xilinx_Spartan2_Slave_Serial_fns;

diff --git a/include/spartan3.h b/include/spartan3.h index 65a3f5a..529aade 100644 --- a/include/spartan3.h +++ b/include/spartan3.h @@ -58,6 +58,7 @@ typedef struct { Xilinx_init_fn init; Xilinx_done_fn done; Xilinx_wr_fn wr; + Xilinx_post_fn post; int relocated; } Xilinx_Spartan3_Slave_Serial_fns;