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new: FSL and MSR support

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Michal Simek 17 years ago
parent 144876a380
commit f7e2e0eb06
2 changed files with 302 additions and 0 deletions
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  1. 265
      common/cmd_mfsl.c
  2. 37
      include/asm-microblaze/asm.h

265
common/cmd_mfsl.c
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/*
* (C) Copyright 2007 Michal Simek
*
* Michal SIMEK <monstr@monstr.eu>
*
* 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
*/
/*
* Microblaze FSL support
*/
#include <common.h>
#include <config.h>
#include <command.h>
#include <asm/asm.h>
#if (CONFIG_COMMANDS & CFG_CMD_MFSL)
int do_frd (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
{
unsigned int fslnum;
unsigned int num;
unsigned int blocking;
if (argc < 2) {
printf ("Usage:\n%s\n", cmdtp->usage);
return 1;
}
fslnum = (unsigned int)simple_strtoul (argv[1], NULL, 16);
blocking = (unsigned int)simple_strtoul (argv[2], NULL, 16);
if (fslnum < 0 || fslnum >= XILINX_FSL_NUMBER) {
puts ("Bad number of FSL\n");
printf ("Usage:\n%s\n", cmdtp->usage);
return 1;
}
switch (fslnum) {
#if (XILINX_FSL_NUMBER > 0)
case 0:
if (blocking) {
GET (num, 0);
} else {
NGET (num, 0);
}
break;
#endif
#if (XILINX_FSL_NUMBER > 1)
case 1:
if (blocking) {
GET (num, 1);
} else {
NGET (num, 1);
}
break;
#endif
#if (XILINX_FSL_NUMBER > 2)
case 2:
if (blocking) {
GET (num, 2);
} else {
NGET (num, 2);
}
break;
#endif
#if (XILINX_FSL_NUMBER > 3)
case 3:
if (blocking) {
GET (num, 3);
} else {
NGET (num, 3);
}
break;
#endif
#if (XILINX_FSL_NUMBER > 4)
case 4:
if (blocking) {
GET (num, 4);
} else {
NGET (num, 4);
}
break;
#endif
#if (XILINX_FSL_NUMBER > 5)
case 5:
if (blocking) {
GET (num, 5);
} else {
NGET (num, 5);
}
break;
#endif
#if (XILINX_FSL_NUMBER > 6)
case 6:
if (blocking) {
GET (num, 6);
} else {
NGET (num, 6);
}
break;
#endif
#if (XILINX_FSL_NUMBER > 7)
case 7:
if (blocking) {
GET (num, 7);
} else {
NGET (num, 7);
}
break;
#endif
default:
return 1;
}
printf ("%01x: 0x%08lx - %s read\n", fslnum, num,
blocking ? "blocking" : "non blocking");
return 0;
}
int do_fwr (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
{
unsigned int fslnum;
unsigned int num;
unsigned int blocking;
if (argc < 3) {
printf ("Usage:\n%s\n", cmdtp->usage);
return 1;
}
fslnum = (unsigned int)simple_strtoul (argv[1], NULL, 16);
num = (unsigned int)simple_strtoul (argv[2], NULL, 16);
blocking = (unsigned int)simple_strtoul (argv[3], NULL, 16);
if (fslnum < 0 || fslnum >= XILINX_FSL_NUMBER) {
printf ("Bad number of FSL\nUsage:\n%s\n", cmdtp->usage);
return 1;
}
switch (fslnum) {
#if (XILINX_FSL_NUMBER > 0)
case 0:
if (blocking) {
PUT (num, 0);
} else {
NPUT (num, 0);
}
break;
#endif
#if (XILINX_FSL_NUMBER > 1)
case 1:
if (blocking) {
PUT (num, 1);
} else {
NPUT (num, 1);
}
break;
#endif
#if (XILINX_FSL_NUMBER > 2)
case 2:
if (blocking) {
PUT (num, 2);
} else {
NPUT (num, 2);
}
break;
#endif
#if (XILINX_FSL_NUMBER > 3)
case 3:
if (blocking) {
PUT (num, 3);
} else {
NPUT (num, 3);
}
break;
#endif
#if (XILINX_FSL_NUMBER > 4)
case 4:
if (blocking) {
PUT (num, 4);
} else {
NPUT (num, 4);
}
break;
#endif
#if (XILINX_FSL_NUMBER > 5)
case 5:
if (blocking) {
PUT (num, 5);
} else {
NPUT (num, 5);
}
break;
#endif
#if (XILINX_FSL_NUMBER > 6)
case 6:
if (blocking) {
PUT (num, 6);
} else {
NPUT (num, 6);
}
break;
#endif
#if (XILINX_FSL_NUMBER > 7)
case 7:
if (blocking) {
PUT (num, 7);
} else {
NPUT (num, 7);
}
break;
#endif
default:
return 1;
}
printf ("%01x: 0x%08lx - %s write\n", fslnum, num,
blocking ? "blocking" : "non blocking");
return 0;
}
int do_rmsr (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
{
int val = 0;
if (argc < 1) {
printf ("Usage:\n%s\n", cmdtp->usage);
return 1;
}
RMSR (val);
printf ("rmsr: 0x%08lx\n", val);
return 0;
}
/***************************************************/
U_BOOT_CMD (frd, 3, 1, do_frd,
"frd - read data from FSL\n",
"- [fslnum [0|x]], (0 - non blocking|x - blocking).\n");
U_BOOT_CMD (fwr, 4, 1, do_fwr,
"fwr - write data to FSL\n",
"- [fslnum data [0|x]], (0 - non blocking|x - blocking).\n");
U_BOOT_CMD (rmsr, 1, 1, do_rmsr,
"rmsr - read MSR register\n", "- read MSR register.\n");
#endif /* CONFIG_MICROBLAZE & CFG_CMD_MFSL */

37
include/asm-microblaze/asm.h
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/*
* (C) Copyright 2007 Michal Simek
*
* Michal SIMEK <monstr@monstr.eu>
*
* 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
*/
/* FSL macros */
#define NGET(val, fslnum) \
__asm__ __volatile__ ("nget %0, rfsl" #fslnum :"=r" (val));
#define GET(val, fslnum) \
__asm__ __volatile__ ("get %0, rfsl" #fslnum :"=r" (val));
#define NPUT(val, fslnum) \
__asm__ __volatile__ ("nput %0, rfsl" #fslnum ::"r" (val));
#define PUT(val, fslnum) \
__asm__ __volatile__ ("put %0, rfsl" #fslnum ::"r" (val));
/* CPU dependent */
#define RMSR(val) \
__asm__ __volatile__ ("mfs %0,rmsr":"=r" (val));
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