Update from 2013.01 to 2013.07

[karo-tx-uboot.git] / common / cmd_fpgad.c

diff --git a/common/cmd_fpgad.c b/common/cmd_fpgad.c
new file mode 100644 (file)
index 0000000..1b25ed8
--- /dev/null
+++ b/common/cmd_fpgad.c
@@ -0,0 +1,84 @@
+/*
+ * (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 <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)];
+
+       /*
+        * 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);
+       }
+
+       /* Print the lines. */
+       for (k = 0; k < DISP_LINE_LEN / sizeof(u16); ++k)
+               fpga_get_reg(fpga, (u16 *)fpga_ptr[fpga] + k, k * sizeof(u16),
+                            &linebuf[k]);
+       print_buffer(addr, (void *)linebuf, sizeof(u16),
+                    length, DISP_LINE_LEN / sizeof(u16));
+       addr += sizeof(u16)*length;
+
+       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]"
+);