Remove the cmd_ prefix from command files
[oweals/u-boot.git] / cmd / fpgad.c
diff --git a/cmd/fpgad.c b/cmd/fpgad.c
new file mode 100644 (file)
index 0000000..5370c3e
--- /dev/null
@@ -0,0 +1,101 @@
+/*
+ * (C) Copyright 2013
+ * Dirk Eibach,  Guntermann & Drunck GmbH, dirk.eibach@gdsys.cc
+ *
+ * based on cmd_mem.c
+ * (C) Copyright 2000
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * SPDX-License-Identifier:    GPL-2.0+
+ */
+
+#include <common.h>
+#include <command.h>
+#include <console.h>
+
+#include <gdsys_fpga.h>
+
+static uint    dp_last_fpga;
+static uint    dp_last_addr;
+static uint    dp_last_length = 0x40;
+
+/*
+ * FPGA Memory Display
+ *
+ * Syntax:
+ *     fpgad {fpga} {addr} {len}
+ */
+#define DISP_LINE_LEN  16
+int do_fpga_md(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+{
+       unsigned int k;
+       unsigned int fpga;
+       ulong   addr, length;
+       int rc = 0;
+       u16 linebuf[DISP_LINE_LEN/sizeof(u16)];
+       ulong nbytes;
+
+       /*
+        * We use the last specified parameters, unless new ones are
+        * entered.
+        */
+       fpga = dp_last_fpga;
+       addr = dp_last_addr;
+       length = dp_last_length;
+
+       if (argc < 3)
+               return CMD_RET_USAGE;
+
+       if ((flag & CMD_FLAG_REPEAT) == 0) {
+               /*
+                * FPGA is specified since argc > 2
+                */
+               fpga = simple_strtoul(argv[1], NULL, 16);
+
+               /*
+                * Address is specified since argc > 2
+                */
+               addr = simple_strtoul(argv[2], NULL, 16);
+
+               /*
+                * If another parameter, it is the length to display.
+                * Length is the number of objects, not number of bytes.
+                */
+               if (argc > 3)
+                       length = simple_strtoul(argv[3], NULL, 16);
+       }
+
+       nbytes = length * sizeof(u16);
+       do {
+               ulong linebytes = (nbytes > DISP_LINE_LEN) ?
+                                 DISP_LINE_LEN : nbytes;
+
+               for (k = 0; k < linebytes / sizeof(u16); ++k)
+                       fpga_get_reg(fpga,
+                                    (u16 *)fpga_ptr[fpga] + addr
+                                    / sizeof(u16) + k,
+                                    addr + k * sizeof(u16),
+                                    &linebuf[k]);
+               print_buffer(addr, (void *)linebuf, sizeof(u16),
+                            linebytes / sizeof(u16),
+                            DISP_LINE_LEN / sizeof(u16));
+
+               nbytes -= linebytes;
+               addr += linebytes;
+               if (ctrlc()) {
+                       rc = 1;
+                       break;
+               }
+       } while (nbytes > 0);
+
+       dp_last_fpga = fpga;
+       dp_last_addr = addr;
+       dp_last_length = length;
+       return rc;
+}
+
+U_BOOT_CMD(
+       fpgad,  4,      1,      do_fpga_md,
+       "fpga register display",
+       "fpga address [# of objects]"
+);