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powerpc/ppc4xx: Add fpgad command for dumping gdsys fpga registers

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Signed-off-by: Dirk Eibach <dirk.eibach@gdsys.cc>
Signed-off-by: Stefan Roese <sr@denx.de>
This commit is contained in:
Dirk Eibach 2013-06-26 16:04:28 +02:00 • committed by Stefan Roese
parent 049de79d85
commit 869b550ea3
2 changed files with 101 additions and 0 deletions
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1
common/Makefile
View file

@ -92,6 +92,7 @@ COBJS-$(CONFIG_CMD_FLASH) += cmd_flash.o
ifdef CONFIG_FPGA ifdef CONFIG_FPGA
COBJS-$(CONFIG_CMD_FPGA) += cmd_fpga.o COBJS-$(CONFIG_CMD_FPGA) += cmd_fpga.o
endif endif
COBJS-$(CONFIG_CMD_FPGAD) += cmd_fpgad.o
COBJS-$(CONFIG_CMD_FS_GENERIC) += cmd_fs.o COBJS-$(CONFIG_CMD_FS_GENERIC) += cmd_fs.o
COBJS-$(CONFIG_CMD_FUSE) += cmd_fuse.o COBJS-$(CONFIG_CMD_FUSE) += cmd_fuse.o
COBJS-$(CONFIG_CMD_GETTIME) += cmd_gettime.o COBJS-$(CONFIG_CMD_GETTIME) += cmd_gettime.o

100
common/cmd_fpgad.c Normal file
View file

@ -0,0 +1,100 @@
/*
* (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.
*
* 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]"
);