Added support to load partial bitstreams. The partial bitstreams can be loaded using the below commands Commands: fpga loadp <dev> <addr> <size> fpga loadbp <dev> <addr> <size> The full bit streams can be loaded using the old commands(fpga load and fpga loadb).
Signed-off-by: Siva Durga Prasad Paladugu sivadur@xilinx.com Signed-off-by: Michal Simek michal.simek@xilinx.com ---
README | 9 +++++++++ common/cmd_fpga.c | 33 +++++++++++++++++++++++++++++++++ include/fpga.h | 1 + 3 files changed, 43 insertions(+)
diff --git a/README b/README index ca33bdc..4f0c4ae 100644 --- a/README +++ b/README @@ -2512,6 +2512,15 @@ CBFS (Coreboot Filesystem) support
Enable support for fpga loadmk command
+ CONFIG_CMD_FPGA_LOADP + + Enable support for fpga loadp command - load partial bitstream + + CONFIG_CMD_FPGA_LOADBP + + Enable support for fpga loadbp command - load partial bitstream + (Xilinx only) + CONFIG_SYS_FPGA_PROG_FEEDBACK
Enable printing of hash marks during FPGA configuration. diff --git a/common/cmd_fpga.c b/common/cmd_fpga.c index 4fafed9..802f3ec 100644 --- a/common/cmd_fpga.c +++ b/common/cmd_fpga.c @@ -23,6 +23,8 @@ static int fpga_get_op(char *opstr); #define FPGA_LOADB 2 #define FPGA_DUMP 3 #define FPGA_LOADMK 4 +#define FPGA_LOADP 5 +#define FPGA_LOADBP 6
/* ------------------------------------------------------------------------- */ /* command form: @@ -121,7 +123,9 @@ int do_fpga(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[]) case FPGA_INFO: break; case FPGA_LOAD: + case FPGA_LOADP: case FPGA_LOADB: + case FPGA_LOADBP: case FPGA_DUMP: if (!fpga_data || !data_size) wrong_parms = 1; @@ -151,10 +155,22 @@ int do_fpga(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[]) rc = fpga_load(dev, fpga_data, data_size, BIT_FULL); break;
+#if defined(CONFIG_CMD_FPGA_LOADP) + case FPGA_LOADP: + rc = fpga_load(dev, fpga_data, data_size, BIT_PARTIAL); + break; +#endif + case FPGA_LOADB: rc = fpga_loadbitstream(dev, fpga_data, data_size, BIT_FULL); break;
+#if defined(CONFIG_CMD_FPGA_LOADBP) + case FPGA_LOADBP: + rc = fpga_loadbitstream(dev, fpga_data, data_size, BIT_PARTIAL); + break; +#endif + #if defined(CONFIG_CMD_FPGA_LOADMK) case FPGA_LOADMK: switch (genimg_get_format(fpga_data)) { @@ -263,6 +279,14 @@ static int fpga_get_op(char *opstr) op = FPGA_LOADB; else if (!strcmp("load", opstr)) op = FPGA_LOAD; +#if defined(CONFIG_CMD_FPGA_LOADP) + else if (!strcmp("loadp", opstr)) + op = FPGA_LOADP; +#endif +#if defined(CONFIG_CMD_FPGA_LOADBP) + else if (!strcmp("loadbp", opstr)) + op = FPGA_LOADBP; +#endif #if defined(CONFIG_CMD_FPGA_LOADMK) else if (!strcmp("loadmk", opstr)) op = FPGA_LOADMK; @@ -283,8 +307,17 @@ U_BOOT_CMD(fpga, 6, 1, do_fpga, " dump\t[dev]\t\t\tLoad device to memory buffer\n" " info\t[dev]\t\t\tlist known device information\n" " load\t[dev] [address] [size]\tLoad device from memory buffer\n" +#if defined(CONFIG_CMD_FPGA_LOADP) + " loadp\t[dev] [address] [size]\t" + "Load device from memory buffer with partial bitstream\n" +#endif " loadb\t[dev] [address] [size]\t" "Load device from bitstream buffer (Xilinx only)\n" +#if defined(CONFIG_CMD_FPGA_LOADBP) + " loadbp\t[dev] [address] [size]\t" + "Load device from bitstream buffer with partial bitstream" + "(Xilinx only)\n" +#endif #if defined(CONFIG_CMD_FPGA_LOADMK) " loadmk [dev] [address]\tLoad device generated with mkimage" #if defined(CONFIG_FIT) diff --git a/include/fpga.h b/include/fpga.h index a55e49f..49efd37 100644 --- a/include/fpga.h +++ b/include/fpga.h @@ -38,6 +38,7 @@ typedef struct { /* typedef fpga_desc */
typedef enum { BIT_FULL = 0, + BIT_PARTIAL, } bitstream_type;
/* root function definitions */ -- 1.8.2.3