diff options
| -rw-r--r-- | common/cmd_mfsl.c | 265 | ||||
| -rw-r--r-- | include/asm-microblaze/asm.h | 37 |
2 files changed, 302 insertions, 0 deletions
diff --git a/common/cmd_mfsl.c b/common/cmd_mfsl.c new file mode 100644 index 0000000..827b75e --- /dev/null +++ b/common/cmd_mfsl.c @@ -0,0 +1,265 @@ +/* + * (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 */ diff --git a/include/asm-microblaze/asm.h b/include/asm-microblaze/asm.h new file mode 100644 index 0000000..6747572 --- /dev/null +++ b/include/asm-microblaze/asm.h @@ -0,0 +1,37 @@ +/* + * (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)); |