From: Dirk Eibach <dirk.eib...@gdsys.cc>
Signed-off-by: Dirk Eibach <dirk.eib...@gdsys.cc>
Signed-off-by: Dirk Eibach <dirk.eib...@gdsys.cc>
---
Changes in v3:
- adapt to "powerpc/ppc4xx: Use generic accessor functions for gdsys FPGA"
Changes in v2:
- move cmd_fpgad to common and fix whitespace issues
- update email account
common/Makefile | 1 +
common/cmd_fpgad.c | 100 +++++++++++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 101 insertions(+)
create mode 100644 common/cmd_fpgad.c
diff --git a/common/Makefile b/common/Makefile
index 0e0fff1..edabbad 100644
--- a/common/Makefile
+++ b/common/Makefile
@@ -110,6 +110,7 @@ COBJS-$(CONFIG_CMD_FLASH) += cmd_flash.o
ifdef CONFIG_FPGA
COBJS-$(CONFIG_CMD_FPGA) += cmd_fpga.o
endif
+COBJS-$(CONFIG_CMD_FPGAD) += cmd_fpgad.o
COBJS-$(CONFIG_CMD_FS_GENERIC) += cmd_fs.o
COBJS-$(CONFIG_CMD_GETTIME) += cmd_gettime.o
COBJS-$(CONFIG_CMD_GPIO) += cmd_gpio.o
diff --git a/common/cmd_fpgad.c b/common/cmd_fpgad.c
new file mode 100644
index 0000000..07536ff
--- /dev/null
+++ b/common/cmd_fpgad.c
@@ -0,0 +1,100 @@
+/*
+ * (C) Copyright 2013
+ * Dirk Eibach, Guntermann & Drunck GmbH, dirk.eib...@gdsys.cc
+ *
+ * based on cmd_mem.c
+ * (C) Copyright 2000
+ * Wolfgang Denk, DENX Software Engineering, w...@denx.de.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#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]"
+);
--
1.8.3
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