new: FSL and MSR support
This commit is contained in:
Michal Simek
parent
144876a380
commit
f7e2e0eb06
265
common/cmd_mfsl.c
Normal file
265
common/cmd_mfsl.c
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/*
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* (C) Copyright 2007 Michal Simek
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*
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* Michal SIMEK <monstr@monstr.eu>
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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/*
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* Microblaze FSL support
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*/
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#include <common.h>
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#include <config.h>
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#include <command.h>
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#include <asm/asm.h>
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#if (CONFIG_COMMANDS & CFG_CMD_MFSL)
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int do_frd (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
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{
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unsigned int fslnum;
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unsigned int num;
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unsigned int blocking;
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if (argc < 2) {
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printf ("Usage:\n%s\n", cmdtp->usage);
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return 1;
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}
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fslnum = (unsigned int)simple_strtoul (argv[1], NULL, 16);
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blocking = (unsigned int)simple_strtoul (argv[2], NULL, 16);
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if (fslnum < 0 || fslnum >= XILINX_FSL_NUMBER) {
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puts ("Bad number of FSL\n");
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printf ("Usage:\n%s\n", cmdtp->usage);
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return 1;
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}
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switch (fslnum) {
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#if (XILINX_FSL_NUMBER > 0)
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case 0:
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if (blocking) {
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GET (num, 0);
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} else {
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NGET (num, 0);
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}
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break;
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#endif
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#if (XILINX_FSL_NUMBER > 1)
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case 1:
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if (blocking) {
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GET (num, 1);
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} else {
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NGET (num, 1);
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}
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break;
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#endif
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#if (XILINX_FSL_NUMBER > 2)
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case 2:
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if (blocking) {
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GET (num, 2);
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} else {
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NGET (num, 2);
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}
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break;
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#endif
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#if (XILINX_FSL_NUMBER > 3)
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case 3:
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if (blocking) {
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GET (num, 3);
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} else {
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NGET (num, 3);
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}
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break;
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#endif
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#if (XILINX_FSL_NUMBER > 4)
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case 4:
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if (blocking) {
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GET (num, 4);
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} else {
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NGET (num, 4);
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}
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break;
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#endif
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#if (XILINX_FSL_NUMBER > 5)
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case 5:
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if (blocking) {
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GET (num, 5);
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} else {
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NGET (num, 5);
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}
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break;
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#endif
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#if (XILINX_FSL_NUMBER > 6)
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case 6:
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if (blocking) {
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GET (num, 6);
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} else {
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NGET (num, 6);
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}
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break;
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#endif
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#if (XILINX_FSL_NUMBER > 7)
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case 7:
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if (blocking) {
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GET (num, 7);
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} else {
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NGET (num, 7);
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}
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break;
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#endif
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default:
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return 1;
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}
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printf ("%01x: 0x%08lx - %s read\n", fslnum, num,
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blocking ? "blocking" : "non blocking");
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return 0;
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}
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int do_fwr (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
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{
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unsigned int fslnum;
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unsigned int num;
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unsigned int blocking;
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if (argc < 3) {
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printf ("Usage:\n%s\n", cmdtp->usage);
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return 1;
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}
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fslnum = (unsigned int)simple_strtoul (argv[1], NULL, 16);
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num = (unsigned int)simple_strtoul (argv[2], NULL, 16);
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blocking = (unsigned int)simple_strtoul (argv[3], NULL, 16);
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if (fslnum < 0 || fslnum >= XILINX_FSL_NUMBER) {
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printf ("Bad number of FSL\nUsage:\n%s\n", cmdtp->usage);
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return 1;
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}
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switch (fslnum) {
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#if (XILINX_FSL_NUMBER > 0)
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case 0:
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if (blocking) {
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PUT (num, 0);
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} else {
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NPUT (num, 0);
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}
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break;
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#endif
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#if (XILINX_FSL_NUMBER > 1)
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case 1:
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if (blocking) {
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PUT (num, 1);
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} else {
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NPUT (num, 1);
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}
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break;
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#endif
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#if (XILINX_FSL_NUMBER > 2)
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case 2:
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if (blocking) {
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PUT (num, 2);
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} else {
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NPUT (num, 2);
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}
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break;
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#endif
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#if (XILINX_FSL_NUMBER > 3)
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case 3:
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if (blocking) {
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PUT (num, 3);
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} else {
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NPUT (num, 3);
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}
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break;
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#endif
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#if (XILINX_FSL_NUMBER > 4)
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case 4:
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if (blocking) {
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PUT (num, 4);
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} else {
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NPUT (num, 4);
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}
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break;
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#endif
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#if (XILINX_FSL_NUMBER > 5)
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case 5:
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if (blocking) {
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PUT (num, 5);
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} else {
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NPUT (num, 5);
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}
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break;
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#endif
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#if (XILINX_FSL_NUMBER > 6)
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case 6:
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if (blocking) {
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PUT (num, 6);
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} else {
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NPUT (num, 6);
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}
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break;
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#endif
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#if (XILINX_FSL_NUMBER > 7)
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case 7:
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if (blocking) {
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PUT (num, 7);
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} else {
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NPUT (num, 7);
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}
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break;
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#endif
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default:
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return 1;
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}
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printf ("%01x: 0x%08lx - %s write\n", fslnum, num,
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blocking ? "blocking" : "non blocking");
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return 0;
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}
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int do_rmsr (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
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{
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int val = 0;
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if (argc < 1) {
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printf ("Usage:\n%s\n", cmdtp->usage);
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return 1;
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}
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RMSR (val);
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printf ("rmsr: 0x%08lx\n", val);
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return 0;
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}
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/***************************************************/
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U_BOOT_CMD (frd, 3, 1, do_frd,
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"frd - read data from FSL\n",
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"- [fslnum [0|x]], (0 - non blocking|x - blocking).\n");
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U_BOOT_CMD (fwr, 4, 1, do_fwr,
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"fwr - write data to FSL\n",
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"- [fslnum data [0|x]], (0 - non blocking|x - blocking).\n");
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U_BOOT_CMD (rmsr, 1, 1, do_rmsr,
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"rmsr - read MSR register\n", "- read MSR register.\n");
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#endif /* CONFIG_MICROBLAZE & CFG_CMD_MFSL */
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37
include/asm-microblaze/asm.h
Normal file
37
include/asm-microblaze/asm.h
Normal file
@ -0,0 +1,37 @@
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/*
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* (C) Copyright 2007 Michal Simek
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*
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* Michal SIMEK <monstr@monstr.eu>
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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/* FSL macros */
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#define NGET(val, fslnum) \
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__asm__ __volatile__ ("nget %0, rfsl" #fslnum :"=r" (val));
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#define GET(val, fslnum) \
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__asm__ __volatile__ ("get %0, rfsl" #fslnum :"=r" (val));
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#define NPUT(val, fslnum) \
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__asm__ __volatile__ ("nput %0, rfsl" #fslnum ::"r" (val));
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#define PUT(val, fslnum) \
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__asm__ __volatile__ ("put %0, rfsl" #fslnum ::"r" (val));
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/* CPU dependent */
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#define RMSR(val) \
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__asm__ __volatile__ ("mfs %0,rmsr":"=r" (val));
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