u-boot/common/cmd_mfsl.c

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ve received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* who contributed to this
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* project.
*
* SPDX-License-Identifier: GPL-2.0+
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*/
/*
* Microblaze FSL support
*/
#include <common.h>
#include <config.h>
#include <command.h>
#include <asm/asm.h>
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int do_frd (cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
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{
unsigned int fslnum;
unsigned int num;
unsigned int blocking;
if (argc < 2)
return CMD_RET_USAGE;
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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");
return CMD_RET_USAGE;
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}
switch (fslnum) {
#if (XILINX_FSL_NUMBER > 0)
case 0:
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switch (blocking) {
case 0: NGET (num, 0);
break;
case 1: NCGET (num, 0);
break;
case 2: GET (num, 0);
break;
case 3: CGET (num, 0);
break;
default:
return 2;
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}
break;
#endif
#if (XILINX_FSL_NUMBER > 1)
case 1:
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switch (blocking) {
case 0: NGET (num, 1);
break;
case 1: NCGET (num, 1);
break;
case 2: GET (num, 1);
break;
case 3: CGET (num, 1);
break;
default:
return 2;
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}
break;
#endif
#if (XILINX_FSL_NUMBER > 2)
case 2:
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switch (blocking) {
case 0: NGET (num, 2);
break;
case 1: NCGET (num, 2);
break;
case 2: GET (num, 2);
break;
case 3: CGET (num, 2);
break;
default:
return 2;
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}
break;
#endif
#if (XILINX_FSL_NUMBER > 3)
case 3:
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switch (blocking) {
case 0: NGET (num, 3);
break;
case 1: NCGET (num, 3);
break;
case 2: GET (num, 3);
break;
case 3: CGET (num, 3);
break;
default:
return 2;
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}
break;
#endif
#if (XILINX_FSL_NUMBER > 4)
case 4:
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switch (blocking) {
case 0: NGET (num, 4);
break;
case 1: NCGET (num, 4);
break;
case 2: GET (num, 4);
break;
case 3: CGET (num, 4);
break;
default:
return 2;
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}
break;
#endif
#if (XILINX_FSL_NUMBER > 5)
case 5:
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switch (blocking) {
case 0: NGET (num, 5);
break;
case 1: NCGET (num, 5);
break;
case 2: GET (num, 5);
break;
case 3: CGET (num, 5);
break;
default:
return 2;
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}
break;
#endif
#if (XILINX_FSL_NUMBER > 6)
case 6:
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switch (blocking) {
case 0: NGET (num, 6);
break;
case 1: NCGET (num, 6);
break;
case 2: GET (num, 6);
break;
case 3: CGET (num, 6);
break;
default:
return 2;
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}
break;
#endif
#if (XILINX_FSL_NUMBER > 7)
case 7:
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switch (blocking) {
case 0: NGET (num, 7);
break;
case 1: NCGET (num, 7);
break;
case 2: GET (num, 7);
break;
case 3: CGET (num, 7);
break;
default:
return 2;
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}
break;
#endif
default:
return 1;
}
printf ("%01x: 0x%08x - %s %s read\n", fslnum, num,
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blocking < 2 ? "non blocking" : "blocking",
((blocking == 1) || (blocking == 3)) ? "control" : "data" );
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return 0;
}
int do_fwr (cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
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{
unsigned int fslnum;
unsigned int num;
unsigned int blocking;
if (argc < 3)
return CMD_RET_USAGE;
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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)
return CMD_RET_USAGE;
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switch (fslnum) {
#if (XILINX_FSL_NUMBER > 0)
case 0:
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switch (blocking) {
case 0: NPUT (num, 0);
break;
case 1: NCPUT (num, 0);
break;
case 2: PUT (num, 0);
break;
case 3: CPUT (num, 0);
break;
default:
return 2;
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}
break;
#endif
#if (XILINX_FSL_NUMBER > 1)
case 1:
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switch (blocking) {
case 0: NPUT (num, 1);
break;
case 1: NCPUT (num, 1);
break;
case 2: PUT (num, 1);
break;
case 3: CPUT (num, 1);
break;
default:
return 2;
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}
break;
#endif
#if (XILINX_FSL_NUMBER > 2)
case 2:
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switch (blocking) {
case 0: NPUT (num, 2);
break;
case 1: NCPUT (num, 2);
break;
case 2: PUT (num, 2);
break;
case 3: CPUT (num, 2);
break;
default:
return 2;
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}
break;
#endif
#if (XILINX_FSL_NUMBER > 3)
case 3:
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switch (blocking) {
case 0: NPUT (num, 3);
break;
case 1: NCPUT (num, 3);
break;
case 2: PUT (num, 3);
break;
case 3: CPUT (num, 3);
break;
default:
return 2;
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}
break;
#endif
#if (XILINX_FSL_NUMBER > 4)
case 4:
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switch (blocking) {
case 0: NPUT (num, 4);
break;
case 1: NCPUT (num, 4);
break;
case 2: PUT (num, 4);
break;
case 3: CPUT (num, 4);
break;
default:
return 2;
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}
break;
#endif
#if (XILINX_FSL_NUMBER > 5)
case 5:
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switch (blocking) {
case 0: NPUT (num, 5);
break;
case 1: NCPUT (num, 5);
break;
case 2: PUT (num, 5);
break;
case 3: CPUT (num, 5);
break;
default:
return 2;
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}
break;
#endif
#if (XILINX_FSL_NUMBER > 6)
case 6:
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switch (blocking) {
case 0: NPUT (num, 6);
break;
case 1: NCPUT (num, 6);
break;
case 2: PUT (num, 6);
break;
case 3: CPUT (num, 6);
break;
default:
return 2;
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}
break;
#endif
#if (XILINX_FSL_NUMBER > 7)
case 7:
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switch (blocking) {
case 0: NPUT (num, 7);
break;
case 1: NCPUT (num, 7);
break;
case 2: PUT (num, 7);
break;
case 3: CPUT (num, 7);
break;
default:
return 2;
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}
break;
#endif
default:
return 1;
}
printf ("%01x: 0x%08x - %s %s write\n", fslnum, num,
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blocking < 2 ? "non blocking" : "blocking",
((blocking == 1) || (blocking == 3)) ? "control" : "data" );
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return 0;
}
int do_rspr (cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
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{
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unsigned int reg = 0;
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unsigned int val = 0;
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if (argc < 2)
return CMD_RET_USAGE;
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reg = (unsigned int)simple_strtoul (argv[1], NULL, 16);
val = (unsigned int)simple_strtoul (argv[2], NULL, 16);
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switch (reg) {
case 0x1:
if (argc > 2) {
MTS (val, rmsr);
NOP;
MFS (val, rmsr);
} else {
MFS (val, rmsr);
}
puts ("MSR");
break;
case 0x3:
MFS (val, rear);
puts ("EAR");
break;
case 0x5:
MFS (val, resr);
puts ("ESR");
break;
default:
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puts ("Unsupported register\n");
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return 1;
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}
printf (": 0x%08x\n", val);
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return 0;
}
/***************************************************/
U_BOOT_CMD (frd, 3, 1, do_frd,
"read data from FSL",
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"- [fslnum [0|1|2|3]]\n"
" 0 - non blocking data read\n"
" 1 - non blocking control read\n"
" 2 - blocking data read\n"
" 3 - blocking control read");
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U_BOOT_CMD (fwr, 4, 1, do_fwr,
"write data to FSL",
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"- [fslnum [0|1|2|3]]\n"
" 0 - non blocking data write\n"
" 1 - non blocking control write\n"
" 2 - blocking data write\n"
" 3 - blocking control write");
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U_BOOT_CMD (rspr, 3, 1, do_rspr,
"read/write special purpose register",
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"- reg_num [write value] read/write special purpose register\n"
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" 1 - MSR - Machine status register\n"
" 3 - EAR - Exception address register\n"
" 5 - ESR - Exception status register");