diff options
Diffstat (limited to 'drivers/fpga')
| -rw-r--r-- | drivers/fpga/spartan2.c | 46 | ||||
| -rw-r--r-- | drivers/fpga/spartan3.c | 46 | ||||
| -rw-r--r-- | drivers/fpga/virtex2.c | 40 | ||||
| -rw-r--r-- | drivers/fpga/xilinx.c | 179 | ||||
| -rw-r--r-- | drivers/fpga/zynqpl.c | 234 |
5 files changed, 235 insertions, 310 deletions
diff --git a/drivers/fpga/spartan2.c b/drivers/fpga/spartan2.c index 6eab1b5..7054056 100644 --- a/drivers/fpga/spartan2.c +++ b/drivers/fpga/spartan2.c @@ -31,29 +31,29 @@ #define CONFIG_SYS_FPGA_WAIT CONFIG_SYS_HZ/100 /* 10 ms */ #endif -static int Spartan2_sp_load(Xilinx_desc *desc, const void *buf, size_t bsize); -static int Spartan2_sp_dump(Xilinx_desc *desc, const void *buf, size_t bsize); -/* static int Spartan2_sp_info(Xilinx_desc *desc ); */ +static int spartan2_sp_load(xilinx_desc *desc, const void *buf, size_t bsize); +static int spartan2_sp_dump(xilinx_desc *desc, const void *buf, size_t bsize); +/* static int spartan2_sp_info(xilinx_desc *desc ); */ -static int Spartan2_ss_load(Xilinx_desc *desc, const void *buf, size_t bsize); -static int Spartan2_ss_dump(Xilinx_desc *desc, const void *buf, size_t bsize); -/* static int Spartan2_ss_info(Xilinx_desc *desc ); */ +static int spartan2_ss_load(xilinx_desc *desc, const void *buf, size_t bsize); +static int spartan2_ss_dump(xilinx_desc *desc, const void *buf, size_t bsize); +/* static int spartan2_ss_info(xilinx_desc *desc ); */ /* ------------------------------------------------------------------------- */ /* Spartan-II Generic Implementation */ -int Spartan2_load(Xilinx_desc *desc, const void *buf, size_t bsize) +static int spartan2_load(xilinx_desc *desc, const void *buf, size_t bsize) { int ret_val = FPGA_FAIL; switch (desc->iface) { case slave_serial: PRINTF ("%s: Launching Slave Serial Load\n", __FUNCTION__); - ret_val = Spartan2_ss_load (desc, buf, bsize); + ret_val = spartan2_ss_load(desc, buf, bsize); break; case slave_parallel: PRINTF ("%s: Launching Slave Parallel Load\n", __FUNCTION__); - ret_val = Spartan2_sp_load (desc, buf, bsize); + ret_val = spartan2_sp_load(desc, buf, bsize); break; default: @@ -64,19 +64,19 @@ int Spartan2_load(Xilinx_desc *desc, const void *buf, size_t bsize) return ret_val; } -int Spartan2_dump(Xilinx_desc *desc, const void *buf, size_t bsize) +static int spartan2_dump(xilinx_desc *desc, const void *buf, size_t bsize) { int ret_val = FPGA_FAIL; switch (desc->iface) { case slave_serial: PRINTF ("%s: Launching Slave Serial Dump\n", __FUNCTION__); - ret_val = Spartan2_ss_dump (desc, buf, bsize); + ret_val = spartan2_ss_dump(desc, buf, bsize); break; case slave_parallel: PRINTF ("%s: Launching Slave Parallel Dump\n", __FUNCTION__); - ret_val = Spartan2_sp_dump (desc, buf, bsize); + ret_val = spartan2_sp_dump(desc, buf, bsize); break; default: @@ -87,7 +87,7 @@ int Spartan2_dump(Xilinx_desc *desc, const void *buf, size_t bsize) return ret_val; } -int Spartan2_info( Xilinx_desc *desc ) +static int spartan2_info(xilinx_desc *desc) { return FPGA_SUCCESS; } @@ -96,10 +96,10 @@ int Spartan2_info( Xilinx_desc *desc ) /* ------------------------------------------------------------------------- */ /* Spartan-II Slave Parallel Generic Implementation */ -static int Spartan2_sp_load(Xilinx_desc *desc, const void *buf, size_t bsize) +static int spartan2_sp_load(xilinx_desc *desc, const void *buf, size_t bsize) { int ret_val = FPGA_FAIL; /* assume the worst */ - Xilinx_Spartan2_Slave_Parallel_fns *fn = desc->iface_fns; + xilinx_spartan2_slave_parallel_fns *fn = desc->iface_fns; PRINTF ("%s: start with interface functions @ 0x%p\n", __FUNCTION__, fn); @@ -248,10 +248,10 @@ static int Spartan2_sp_load(Xilinx_desc *desc, const void *buf, size_t bsize) return ret_val; } -static int Spartan2_sp_dump(Xilinx_desc *desc, const void *buf, size_t bsize) +static int spartan2_sp_dump(xilinx_desc *desc, const void *buf, size_t bsize) { int ret_val = FPGA_FAIL; /* assume the worst */ - Xilinx_Spartan2_Slave_Parallel_fns *fn = desc->iface_fns; + xilinx_spartan2_slave_parallel_fns *fn = desc->iface_fns; if (fn) { unsigned char *data = (unsigned char *) buf; @@ -296,10 +296,10 @@ static int Spartan2_sp_dump(Xilinx_desc *desc, const void *buf, size_t bsize) /* ------------------------------------------------------------------------- */ -static int Spartan2_ss_load(Xilinx_desc *desc, const void *buf, size_t bsize) +static int spartan2_ss_load(xilinx_desc *desc, const void *buf, size_t bsize) { int ret_val = FPGA_FAIL; /* assume the worst */ - Xilinx_Spartan2_Slave_Serial_fns *fn = desc->iface_fns; + xilinx_spartan2_slave_serial_fns *fn = desc->iface_fns; int i; unsigned char val; @@ -439,7 +439,7 @@ static int Spartan2_ss_load(Xilinx_desc *desc, const void *buf, size_t bsize) return ret_val; } -static int Spartan2_ss_dump(Xilinx_desc *desc, const void *buf, size_t bsize) +static int spartan2_ss_dump(xilinx_desc *desc, const void *buf, size_t bsize) { /* Readback is only available through the Slave Parallel and */ /* boundary-scan interfaces. */ @@ -447,3 +447,9 @@ static int Spartan2_ss_dump(Xilinx_desc *desc, const void *buf, size_t bsize) __FUNCTION__); return FPGA_FAIL; } + +struct xilinx_fpga_op spartan2_op = { + .load = spartan2_load, + .dump = spartan2_dump, + .info = spartan2_info, +}; diff --git a/drivers/fpga/spartan3.c b/drivers/fpga/spartan3.c index 3edc5c2..5c9412c 100644 --- a/drivers/fpga/spartan3.c +++ b/drivers/fpga/spartan3.c @@ -35,29 +35,29 @@ #define CONFIG_SYS_FPGA_WAIT CONFIG_SYS_HZ/100 /* 10 ms */ #endif -static int Spartan3_sp_load(Xilinx_desc *desc, const void *buf, size_t bsize); -static int Spartan3_sp_dump(Xilinx_desc *desc, const void *buf, size_t bsize); -/* static int Spartan3_sp_info(Xilinx_desc *desc ); */ +static int spartan3_sp_load(xilinx_desc *desc, const void *buf, size_t bsize); +static int spartan3_sp_dump(xilinx_desc *desc, const void *buf, size_t bsize); +/* static int spartan3_sp_info(xilinx_desc *desc ); */ -static int Spartan3_ss_load(Xilinx_desc *desc, const void *buf, size_t bsize); -static int Spartan3_ss_dump(Xilinx_desc *desc, const void *buf, size_t bsize); -/* static int Spartan3_ss_info(Xilinx_desc *desc); */ +static int spartan3_ss_load(xilinx_desc *desc, const void *buf, size_t bsize); +static int spartan3_ss_dump(xilinx_desc *desc, const void *buf, size_t bsize); +/* static int spartan3_ss_info(xilinx_desc *desc); */ /* ------------------------------------------------------------------------- */ /* Spartan-II Generic Implementation */ -int Spartan3_load(Xilinx_desc *desc, const void *buf, size_t bsize) +static int spartan3_load(xilinx_desc *desc, const void *buf, size_t bsize) { int ret_val = FPGA_FAIL; switch (desc->iface) { case slave_serial: PRINTF ("%s: Launching Slave Serial Load\n", __FUNCTION__); - ret_val = Spartan3_ss_load (desc, buf, bsize); + ret_val = spartan3_ss_load(desc, buf, bsize); break; case slave_parallel: PRINTF ("%s: Launching Slave Parallel Load\n", __FUNCTION__); - ret_val = Spartan3_sp_load (desc, buf, bsize); + ret_val = spartan3_sp_load(desc, buf, bsize); break; default: @@ -68,19 +68,19 @@ int Spartan3_load(Xilinx_desc *desc, const void *buf, size_t bsize) return ret_val; } -int Spartan3_dump(Xilinx_desc *desc, const void *buf, size_t bsize) +static int spartan3_dump(xilinx_desc *desc, const void *buf, size_t bsize) { int ret_val = FPGA_FAIL; switch (desc->iface) { case slave_serial: PRINTF ("%s: Launching Slave Serial Dump\n", __FUNCTION__); - ret_val = Spartan3_ss_dump (desc, buf, bsize); + ret_val = spartan3_ss_dump(desc, buf, bsize); break; case slave_parallel: PRINTF ("%s: Launching Slave Parallel Dump\n", __FUNCTION__); - ret_val = Spartan3_sp_dump (desc, buf, bsize); + ret_val = spartan3_sp_dump(desc, buf, bsize); break; default: @@ -91,7 +91,7 @@ int Spartan3_dump(Xilinx_desc *desc, const void *buf, size_t bsize) return ret_val; } -int Spartan3_info( Xilinx_desc *desc ) +static int spartan3_info(xilinx_desc *desc) { return FPGA_SUCCESS; } @@ -100,10 +100,10 @@ int Spartan3_info( Xilinx_desc *desc ) /* ------------------------------------------------------------------------- */ /* Spartan-II Slave Parallel Generic Implementation */ -static int Spartan3_sp_load(Xilinx_desc *desc, const void *buf, size_t bsize) +static int spartan3_sp_load(xilinx_desc *desc, const void *buf, size_t bsize) { int ret_val = FPGA_FAIL; /* assume the worst */ - Xilinx_Spartan3_Slave_Parallel_fns *fn = desc->iface_fns; + xilinx_spartan3_slave_parallel_fns *fn = desc->iface_fns; PRINTF ("%s: start with interface functions @ 0x%p\n", __FUNCTION__, fn); @@ -254,10 +254,10 @@ static int Spartan3_sp_load(Xilinx_desc *desc, const void *buf, size_t bsize) return ret_val; } -static int Spartan3_sp_dump(Xilinx_desc *desc, const void *buf, size_t bsize) +static int spartan3_sp_dump(xilinx_desc *desc, const void *buf, size_t bsize) { int ret_val = FPGA_FAIL; /* assume the worst */ - Xilinx_Spartan3_Slave_Parallel_fns *fn = desc->iface_fns; + xilinx_spartan3_slave_parallel_fns *fn = desc->iface_fns; if (fn) { unsigned char *data = (unsigned char *) buf; @@ -302,10 +302,10 @@ static int Spartan3_sp_dump(Xilinx_desc *desc, const void *buf, size_t bsize) /* ------------------------------------------------------------------------- */ -static int Spartan3_ss_load(Xilinx_desc *desc, const void *buf, size_t bsize) +static int spartan3_ss_load(xilinx_desc *desc, const void *buf, size_t bsize) { int ret_val = FPGA_FAIL; /* assume the worst */ - Xilinx_Spartan3_Slave_Serial_fns *fn = desc->iface_fns; + xilinx_spartan3_slave_serial_fns *fn = desc->iface_fns; int i; unsigned char val; @@ -457,7 +457,7 @@ static int Spartan3_ss_load(Xilinx_desc *desc, const void *buf, size_t bsize) return ret_val; } -static int Spartan3_ss_dump(Xilinx_desc *desc, const void *buf, size_t bsize) +static int spartan3_ss_dump(xilinx_desc *desc, const void *buf, size_t bsize) { /* Readback is only available through the Slave Parallel and */ /* boundary-scan interfaces. */ @@ -465,3 +465,9 @@ static int Spartan3_ss_dump(Xilinx_desc *desc, const void *buf, size_t bsize) __FUNCTION__); return FPGA_FAIL; } + +struct xilinx_fpga_op spartan3_op = { + .load = spartan3_load, + .dump = spartan3_dump, + .info = spartan3_info, +}; diff --git a/drivers/fpga/virtex2.c b/drivers/fpga/virtex2.c index b5a895d..e092147 100644 --- a/drivers/fpga/virtex2.c +++ b/drivers/fpga/virtex2.c @@ -84,25 +84,25 @@ #define CONFIG_SYS_FPGA_WAIT_CONFIG CONFIG_SYS_HZ/5 /* 200 ms */ #endif -static int Virtex2_ssm_load(Xilinx_desc *desc, const void *buf, size_t bsize); -static int Virtex2_ssm_dump(Xilinx_desc *desc, const void *buf, size_t bsize); +static int virtex2_ssm_load(xilinx_desc *desc, const void *buf, size_t bsize); +static int virtex2_ssm_dump(xilinx_desc *desc, const void *buf, size_t bsize); -static int Virtex2_ss_load(Xilinx_desc *desc, const void *buf, size_t bsize); -static int Virtex2_ss_dump(Xilinx_desc *desc, const void *buf, size_t bsize); +static int virtex2_ss_load(xilinx_desc *desc, const void *buf, size_t bsize); +static int virtex2_ss_dump(xilinx_desc *desc, const void *buf, size_t bsize); -int Virtex2_load(Xilinx_desc *desc, const void *buf, size_t bsize) +static int virtex2_load(xilinx_desc *desc, const void *buf, size_t bsize) { int ret_val = FPGA_FAIL; switch (desc->iface) { case slave_serial: PRINTF ("%s: Launching Slave Serial Load\n", __FUNCTION__); - ret_val = Virtex2_ss_load (desc, buf, bsize); + ret_val = virtex2_ss_load(desc, buf, bsize); break; case slave_selectmap: PRINTF ("%s: Launching Slave Parallel Load\n", __FUNCTION__); - ret_val = Virtex2_ssm_load (desc, buf, bsize); + ret_val = virtex2_ssm_load(desc, buf, bsize); break; default: @@ -112,19 +112,19 @@ int Virtex2_load(Xilinx_desc *desc, const void *buf, size_t bsize) return ret_val; } -int Virtex2_dump(Xilinx_desc *desc, const void *buf, size_t bsize) +static int virtex2_dump(xilinx_desc *desc, const void *buf, size_t bsize) { int ret_val = FPGA_FAIL; switch (desc->iface) { case slave_serial: PRINTF ("%s: Launching Slave Serial Dump\n", __FUNCTION__); - ret_val = Virtex2_ss_dump (desc, buf, bsize); + ret_val = virtex2_ss_dump(desc, buf, bsize); break; case slave_parallel: PRINTF ("%s: Launching Slave Parallel Dump\n", __FUNCTION__); - ret_val = Virtex2_ssm_dump (desc, buf, bsize); + ret_val = virtex2_ssm_dump(desc, buf, bsize); break; default: @@ -134,7 +134,7 @@ int Virtex2_dump(Xilinx_desc *desc, const void *buf, size_t bsize) return ret_val; } -int Virtex2_info (Xilinx_desc * desc) +static int virtex2_info(xilinx_desc *desc) { return FPGA_SUCCESS; } @@ -153,10 +153,10 @@ int Virtex2_info (Xilinx_desc * desc) * INIT_B and DONE lines. If both are high, configuration has * succeeded. Congratulations! */ -static int Virtex2_ssm_load(Xilinx_desc *desc, const void *buf, size_t bsize) +static int virtex2_ssm_load(xilinx_desc *desc, const void *buf, size_t bsize) { int ret_val = FPGA_FAIL; - Xilinx_Virtex2_Slave_SelectMap_fns *fn = desc->iface_fns; + xilinx_virtex2_slave_selectmap_fns *fn = desc->iface_fns; PRINTF ("%s:%d: Start with interface functions @ 0x%p\n", __FUNCTION__, __LINE__, fn); @@ -352,10 +352,10 @@ static int Virtex2_ssm_load(Xilinx_desc *desc, const void *buf, size_t bsize) /* * Read the FPGA configuration data */ -static int Virtex2_ssm_dump(Xilinx_desc *desc, const void *buf, size_t bsize) +static int virtex2_ssm_dump(xilinx_desc *desc, const void *buf, size_t bsize) { int ret_val = FPGA_FAIL; - Xilinx_Virtex2_Slave_SelectMap_fns *fn = desc->iface_fns; + xilinx_virtex2_slave_selectmap_fns *fn = desc->iface_fns; if (fn) { unsigned char *data = (unsigned char *) buf; @@ -404,16 +404,22 @@ static int Virtex2_ssm_dump(Xilinx_desc *desc, const void *buf, size_t bsize) return ret_val; } -static int Virtex2_ss_load(Xilinx_desc *desc, const void *buf, size_t bsize) +static int virtex2_ss_load(xilinx_desc *desc, const void *buf, size_t bsize) { printf ("%s: Slave Serial Loading is unsupported\n", __FUNCTION__); return FPGA_FAIL; } -static int Virtex2_ss_dump(Xilinx_desc *desc, const void *buf, size_t bsize) +static int virtex2_ss_dump(xilinx_desc *desc, const void *buf, size_t bsize) { printf ("%s: Slave Serial Dumping is unsupported\n", __FUNCTION__); return FPGA_FAIL; } /* vim: set ts=4 tw=78: */ + +struct xilinx_fpga_op virtex2_op = { + .load = virtex2_load, + .dump = virtex2_dump, + .info = virtex2_info, +}; diff --git a/drivers/fpga/xilinx.c b/drivers/fpga/xilinx.c index 2e0db53..8837f5c 100644 --- a/drivers/fpga/xilinx.c +++ b/drivers/fpga/xilinx.c @@ -19,19 +19,8 @@ #include <spartan3.h> #include <zynqpl.h> -#if 0 -#define FPGA_DEBUG -#endif - -/* Define FPGA_DEBUG to get debug printf's */ -#ifdef FPGA_DEBUG -#define PRINTF(fmt,args...) printf (fmt ,##args) -#else -#define PRINTF(fmt,args...) -#endif - /* Local Static Functions */ -static int xilinx_validate (Xilinx_desc * desc, char *fn); +static int xilinx_validate(xilinx_desc *desc, char *fn); /* ------------------------------------------------------------------------- */ @@ -43,7 +32,7 @@ int fpga_loadbitstream(int devnum, char *fpgadata, size_t size) unsigned char *dataptr; unsigned int i; const fpga_desc *desc; - Xilinx_desc *xdesc; + xilinx_desc *xdesc; dataptr = (unsigned char *)fpgadata; /* Find out fpga_description */ @@ -94,7 +83,7 @@ int fpga_loadbitstream(int devnum, char *fpgadata, size_t size) return FPGA_FAIL; } } else { - printf("%s: Please fill correct device ID to Xilinx_desc\n", + printf("%s: Please fill correct device ID to xilinx_desc\n", __func__); } printf(" part number = \"%s\"\n", buffer); @@ -141,134 +130,40 @@ int fpga_loadbitstream(int devnum, char *fpgadata, size_t size) return fpga_load(devnum, dataptr, swapsize); } -int xilinx_load(Xilinx_desc *desc, const void *buf, size_t bsize) +int xilinx_load(xilinx_desc *desc, const void *buf, size_t bsize) { - int ret_val = FPGA_FAIL; /* assume a failure */ - if (!xilinx_validate (desc, (char *)__FUNCTION__)) { printf ("%s: Invalid device descriptor\n", __FUNCTION__); - } else - switch (desc->family) { - case Xilinx_Spartan2: -#if defined(CONFIG_FPGA_SPARTAN2) - PRINTF ("%s: Launching the Spartan-II Loader...\n", - __FUNCTION__); - ret_val = Spartan2_load (desc, buf, bsize); -#else - printf ("%s: No support for Spartan-II devices.\n", - __FUNCTION__); -#endif - break; - case Xilinx_Spartan3: -#if defined(CONFIG_FPGA_SPARTAN3) - PRINTF ("%s: Launching the Spartan-III Loader...\n", - __FUNCTION__); - ret_val = Spartan3_load (desc, buf, bsize); -#else - printf ("%s: No support for Spartan-III devices.\n", - __FUNCTION__); -#endif - break; - case Xilinx_Virtex2: -#if defined(CONFIG_FPGA_VIRTEX2) - PRINTF ("%s: Launching the Virtex-II Loader...\n", - __FUNCTION__); - ret_val = Virtex2_load (desc, buf, bsize); -#else - printf ("%s: No support for Virtex-II devices.\n", - __FUNCTION__); -#endif - break; - case xilinx_zynq: -#if defined(CONFIG_FPGA_ZYNQPL) - PRINTF("%s: Launching the Zynq PL Loader...\n", - __func__); - ret_val = zynq_load(desc, buf, bsize); -#else - printf("%s: No support for Zynq devices.\n", - __func__); -#endif - break; - - default: - printf ("%s: Unsupported family type, %d\n", - __FUNCTION__, desc->family); - } + return FPGA_FAIL; + } - return ret_val; + return desc->operations->load(desc, buf, bsize); } -int xilinx_dump(Xilinx_desc *desc, const void *buf, size_t bsize) +int xilinx_dump(xilinx_desc *desc, const void *buf, size_t bsize) { - int ret_val = FPGA_FAIL; /* assume a failure */ - if (!xilinx_validate (desc, (char *)__FUNCTION__)) { printf ("%s: Invalid device descriptor\n", __FUNCTION__); - } else - switch (desc->family) { - case Xilinx_Spartan2: -#if defined(CONFIG_FPGA_SPARTAN2) - PRINTF ("%s: Launching the Spartan-II Reader...\n", - __FUNCTION__); - ret_val = Spartan2_dump (desc, buf, bsize); -#else - printf ("%s: No support for Spartan-II devices.\n", - __FUNCTION__); -#endif - break; - case Xilinx_Spartan3: -#if defined(CONFIG_FPGA_SPARTAN3) - PRINTF ("%s: Launching the Spartan-III Reader...\n", - __FUNCTION__); - ret_val = Spartan3_dump (desc, buf, bsize); -#else - printf ("%s: No support for Spartan-III devices.\n", - __FUNCTION__); -#endif - break; - case Xilinx_Virtex2: -#if defined( CONFIG_FPGA_VIRTEX2) - PRINTF ("%s: Launching the Virtex-II Reader...\n", - __FUNCTION__); - ret_val = Virtex2_dump (desc, buf, bsize); -#else - printf ("%s: No support for Virtex-II devices.\n", - __FUNCTION__); -#endif - break; - case xilinx_zynq: -#if defined(CONFIG_FPGA_ZYNQPL) - PRINTF("%s: Launching the Zynq PL Reader...\n", - __func__); - ret_val = zynq_dump(desc, buf, bsize); -#else - printf("%s: No support for Zynq devices.\n", - __func__); -#endif - break; - - default: - printf ("%s: Unsupported family type, %d\n", - __FUNCTION__, desc->family); - } + return FPGA_FAIL; + } - return ret_val; + return desc->operations->dump(desc, buf, bsize); } -int xilinx_info (Xilinx_desc * desc) +int xilinx_info(xilinx_desc *desc) { int ret_val = FPGA_FAIL; if (xilinx_validate (desc, (char *)__FUNCTION__)) { printf ("Family: \t"); switch (desc->family) { - case Xilinx_Spartan2: + case xilinx_spartan2: printf ("Spartan-II\n"); break; - case Xilinx_Spartan3: + case xilinx_spartan3: printf ("Spartan-III\n"); break; - case Xilinx_Virtex2: + case xilinx_virtex2: printf ("Virtex-II\n"); break; case xilinx_zynq: @@ -315,47 +210,7 @@ int xilinx_info (Xilinx_desc * desc) if (desc->iface_fns) { printf ("Device Function Table @ 0x%p\n", desc->iface_fns); - switch (desc->family) { - case Xilinx_Spartan2: -#if defined(CONFIG_FPGA_SPARTAN2) - Spartan2_info (desc); -#else - /* just in case */ - printf ("%s: No support for Spartan-II devices.\n", - __FUNCTION__); -#endif - break; - case Xilinx_Spartan3: -#if defined(CONFIG_FPGA_SPARTAN3) - Spartan3_info (desc); -#else - /* just in case */ - printf ("%s: No support for Spartan-III devices.\n", - __FUNCTION__); -#endif - break; - case Xilinx_Virtex2: -#if defined(CONFIG_FPGA_VIRTEX2) - Virtex2_info (desc); -#else - /* just in case */ - printf ("%s: No support for Virtex-II devices.\n", - __FUNCTION__); -#endif - break; - case xilinx_zynq: -#if defined(CONFIG_FPGA_ZYNQPL) - zynq_info(desc); -#else - /* just in case */ - printf("%s: No support for Zynq devices.\n", - __func__); -#endif - /* Add new family types here */ - default: - /* we don't need a message here - we give one up above */ - ; - } + desc->operations->info(desc); } else printf ("No Device Function Table.\n"); @@ -369,7 +224,7 @@ int xilinx_info (Xilinx_desc * desc) /* ------------------------------------------------------------------------- */ -static int xilinx_validate (Xilinx_desc * desc, char *fn) +static int xilinx_validate(xilinx_desc *desc, char *fn) { int ret_val = false; diff --git a/drivers/fpga/zynqpl.c b/drivers/fpga/zynqpl.c index 923a158..c066f21 100644 --- a/drivers/fpga/zynqpl.c +++ b/drivers/fpga/zynqpl.c @@ -36,7 +36,7 @@ #define CONFIG_SYS_FPGA_PROG_TIME (CONFIG_SYS_HZ * 4) /* 4 s */ #endif -int zynq_info(Xilinx_desc *desc) +static int zynq_info(xilinx_desc *desc) { return FPGA_SUCCESS; } @@ -147,76 +147,57 @@ static void *check_data(u8 *buf, size_t bsize, u32 *swap) } /* Loop can be huge - support CTRL + C */ if (ctrlc()) - return 0; + return NULL; } - return 0; + return NULL; } - -int zynq_load(Xilinx_desc *desc, const void *buf, size_t bsize) +static int zynq_dma_transfer(u32 srcbuf, u32 srclen, u32 dstbuf, u32 dstlen) { - unsigned long ts; /* Timestamp */ - u32 partialbit = 0; - u32 i, control, isr_status, status, swap, diff; - u32 *buf_start; - - /* Detect if we are going working with partial or full bitstream */ - if (bsize != desc->size) { - printf("%s: Working with partial bitstream\n", __func__); - partialbit = 1; - } + unsigned long ts; + u32 isr_status; - buf_start = check_data((u8 *)buf, bsize, &swap); - if (!buf_start) - return FPGA_FAIL; - - /* Check if data is postpone from start */ - diff = (u32)buf_start - (u32)buf; - if (diff) { - printf("%s: Bitstream is not validated yet (diff %x)\n", - __func__, diff); - return FPGA_FAIL; - } + /* Set up the transfer */ + writel((u32)srcbuf, &devcfg_base->dma_src_addr); + writel(dstbuf, &devcfg_base->dma_dst_addr); + writel(srclen, &devcfg_base->dma_src_len); + writel(dstlen, &devcfg_base->dma_dst_len); - if ((u32)buf < SZ_1M) { - printf("%s: Bitstream has to be placed up to 1MB (%x)\n", - __func__, (u32)buf); - return FPGA_FAIL; - } + isr_status = readl(&devcfg_base->int_sts); - if ((u32)buf != ALIGN((u32)buf, ARCH_DMA_MINALIGN)) { - u32 *new_buf = (u32 *)ALIGN((u32)buf, ARCH_DMA_MINALIGN); + /* Polling the PCAP_INIT status for Set */ + ts = get_timer(0); + while (!(isr_status & DEVCFG_ISR_DMA_DONE)) { + if (isr_status & DEVCFG_ISR_ERROR_FLAGS_MASK) { + debug("%s: Error: isr = 0x%08X\n", __func__, + isr_status); + debug("%s: Write count = 0x%08X\n", __func__, + readl(&devcfg_base->write_count)); + debug("%s: Read count = 0x%08X\n", __func__, + readl(&devcfg_base->read_count)); - /* - * This might be dangerous but permits to flash if - * ARCH_DMA_MINALIGN is greater than header size - */ - if (new_buf > buf_start) { - debug("%s: Aligned buffer is after buffer start\n", - __func__); - new_buf -= ARCH_DMA_MINALIGN; + return FPGA_FAIL; } + if (get_timer(ts) > CONFIG_SYS_FPGA_PROG_TIME) { + printf("%s: Timeout wait for DMA to complete\n", + __func__); + return FPGA_FAIL; + } + isr_status = readl(&devcfg_base->int_sts); + } - printf("%s: Align buffer at %x to %x(swap %d)\n", __func__, - (u32)buf_start, (u32)new_buf, swap); - - for (i = 0; i < (bsize/4); i++) - new_buf[i] = load_word(&buf_start[i], swap); - - swap = SWAP_DONE; - buf = new_buf; - } else if (swap != SWAP_DONE) { - /* For bitstream which are aligned */ - u32 *new_buf = (u32 *)buf; + debug("%s: DMA transfer is done\n", __func__); - printf("%s: Bitstream is not swapped(%d) - swap it\n", __func__, - swap); + /* Clear out the DMA status */ + writel(DEVCFG_ISR_DMA_DONE, &devcfg_base->int_sts); - for (i = 0; i < (bsize/4); i++) - new_buf[i] = load_word(&buf_start[i], swap); + return FPGA_SUCCESS; +} - swap = SWAP_DONE; - } +static int zynq_dma_xfer_init(u32 partialbit) +{ + u32 status, control, isr_status; + unsigned long ts; /* Clear loopback bit */ clrbits_le32(&devcfg_base->mctrl, DEVCFG_MCTRL_PCAP_LPBK); @@ -298,6 +279,101 @@ int zynq_load(Xilinx_desc *desc, const void *buf, size_t bsize) writel(DEVCFG_STATUS_DMA_DONE_CNT_MASK, &devcfg_base->status); } + return FPGA_SUCCESS; +} + +static u32 *zynq_align_dma_buffer(u32 *buf, u32 len, u32 swap) +{ + u32 *new_buf; + u32 i; + + if ((u32)buf != ALIGN((u32)buf, ARCH_DMA_MINALIGN)) { + new_buf = (u32 *)ALIGN((u32)buf, ARCH_DMA_MINALIGN); + + /* + * This might be dangerous but permits to flash if + * ARCH_DMA_MINALIGN is greater than header size + */ + if (new_buf > buf) { + debug("%s: Aligned buffer is after buffer start\n", + __func__); + new_buf -= ARCH_DMA_MINALIGN; + } + printf("%s: Align buffer at %x to %x(swap %d)\n", __func__, + (u32)buf, (u32)new_buf, swap); + + for (i = 0; i < (len/4); i++) + new_buf[i] = load_word(&buf[i], swap); + + buf = new_buf; + } else if (swap != SWAP_DONE) { + /* For bitstream which are aligned */ + u32 *new_buf = (u32 *)buf; + + printf("%s: Bitstream is not swapped(%d) - swap it\n", __func__, + swap); + + for (i = 0; i < (len/4); i++) + new_buf[i] = load_word(&buf[i], swap); + } + + return buf; +} + +static int zynq_validate_bitstream(xilinx_desc *desc, const void *buf, + size_t bsize, u32 blocksize, u32 *swap, + u32 *partialbit) +{ + u32 *buf_start; + u32 diff; + + /* Detect if we are going working with partial or full bitstream */ + if (bsize != desc->size) { + printf("%s: Working with partial bitstream\n", __func__); + *partialbit = 1; + } + buf_start = check_data((u8 *)buf, blocksize, swap); + + if (!buf_start) + return FPGA_FAIL; + + /* Check if data is postpone from start */ + diff = (u32)buf_start - (u32)buf; + if (diff) { + printf("%s: Bitstream is not validated yet (diff %x)\n", + __func__, diff); + return FPGA_FAIL; + } + + if ((u32)buf < SZ_1M) { + printf("%s: Bitstream has to be placed up to 1MB (%x)\n", + __func__, (u32)buf); + return FPGA_FAIL; + } + + if (zynq_dma_xfer_init(*partialbit)) + return FPGA_FAIL; + + return 0; +} + + +static int zynq_load(xilinx_desc *desc, const void *buf, size_t bsize) +{ + unsigned long ts; /* Timestamp */ + u32 partialbit = 0; + u32 isr_status, swap; + + /* + * send bsize inplace of blocksize as it was not a bitstream + * in chunks + */ + if (zynq_validate_bitstream(desc, buf, bsize, bsize, &swap, + &partialbit)) + return FPGA_FAIL; + + buf = zynq_align_dma_buffer((u32 *)buf, bsize, swap); + debug("%s: Source = 0x%08X\n", __func__, (u32)buf); debug("%s: Size = %zu\n", __func__, bsize); @@ -305,37 +381,10 @@ int zynq_load(Xilinx_desc *desc, const void *buf, size_t bsize) flush_dcache_range((u32)buf, (u32)buf + roundup(bsize, ARCH_DMA_MINALIGN)); - /* Set up the transfer */ - writel((u32)buf | 1, &devcfg_base->dma_src_addr); - writel(0xFFFFFFFF, &devcfg_base->dma_dst_addr); - writel(bsize >> 2, &devcfg_base->dma_src_len); - writel(0, &devcfg_base->dma_dst_len); + if (zynq_dma_transfer((u32)buf | 1, bsize >> 2, 0xffffffff, 0)) + return FPGA_FAIL; isr_status = readl(&devcfg_base->int_sts); - - /* Polling the PCAP_INIT status for Set */ - ts = get_timer(0); - while (!(isr_status & DEVCFG_ISR_DMA_DONE)) { - if (isr_status & DEVCFG_ISR_ERROR_FLAGS_MASK) { - debug("%s: Error: isr = 0x%08X\n", __func__, - isr_status); - debug("%s: Write count = 0x%08X\n", __func__, - readl(&devcfg_base->write_count)); - debug("%s: Read count = 0x%08X\n", __func__, - readl(&devcfg_base->read_count)); - - return FPGA_FAIL; - } - if (get_timer(ts) > CONFIG_SYS_FPGA_PROG_TIME) { - printf("%s: Timeout wait for DMA to complete\n", - __func__); - return FPGA_FAIL; - } - isr_status = readl(&devcfg_base->int_sts); - } - - debug("%s: DMA transfer is done\n", __func__); - /* Check FPGA configuration completion */ ts = get_timer(0); while (!(isr_status & DEVCFG_ISR_PCFG_DONE)) { @@ -349,16 +398,19 @@ int zynq_load(Xilinx_desc *desc, const void *buf, size_t bsize) debug("%s: FPGA config done\n", __func__); - /* Clear out the DMA status */ - writel(DEVCFG_ISR_DMA_DONE, &devcfg_base->int_sts); - if (!partialbit) zynq_slcr_devcfg_enable(); return FPGA_SUCCESS; } -int zynq_dump(Xilinx_desc *desc, const void *buf, size_t bsize) +static int zynq_dump(xilinx_desc *desc, const void *buf, size_t bsize) { return FPGA_FAIL; } + +struct xilinx_fpga_op zynq_op = { + .load = zynq_load, + .dump = zynq_dump, + .info = zynq_info, +}; |