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-rw-r--r--common/cmd_mfsl.c417
1 files changed, 417 insertions, 0 deletions
diff --git a/common/cmd_mfsl.c b/common/cmd_mfsl.c
new file mode 100644
index 0000000..8d4c1a3
--- /dev/null
+++ b/common/cmd_mfsl.c
@@ -0,0 +1,417 @@
+/*
+ * (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>
+
+#if defined(CONFIG_CMD_MFSL)
+#include <asm/asm.h>
+
+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:
+ 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;
+ }
+ break;
+#endif
+#if (XILINX_FSL_NUMBER > 1)
+ case 1:
+ 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;
+ }
+ break;
+#endif
+#if (XILINX_FSL_NUMBER > 2)
+ case 2:
+ 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;
+ }
+ break;
+#endif
+#if (XILINX_FSL_NUMBER > 3)
+ case 3:
+ 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;
+ }
+ break;
+#endif
+#if (XILINX_FSL_NUMBER > 4)
+ case 4:
+ 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;
+ }
+ break;
+#endif
+#if (XILINX_FSL_NUMBER > 5)
+ case 5:
+ 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;
+ }
+ break;
+#endif
+#if (XILINX_FSL_NUMBER > 6)
+ case 6:
+ 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;
+ }
+ break;
+#endif
+#if (XILINX_FSL_NUMBER > 7)
+ case 7:
+ 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;
+ }
+ break;
+#endif
+ default:
+ return 1;
+ }
+
+ printf ("%01x: 0x%08lx - %s %s read\n", fslnum, num,
+ blocking < 2 ? "non blocking" : "blocking",
+ ((blocking == 1) || (blocking == 3)) ? "control" : "data" );
+ 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:
+ 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;
+ }
+ break;
+#endif
+#if (XILINX_FSL_NUMBER > 1)
+ case 1:
+ 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;
+ }
+ break;
+#endif
+#if (XILINX_FSL_NUMBER > 2)
+ case 2:
+ 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;
+ }
+ break;
+#endif
+#if (XILINX_FSL_NUMBER > 3)
+ case 3:
+ 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;
+ }
+ break;
+#endif
+#if (XILINX_FSL_NUMBER > 4)
+ case 4:
+ 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;
+ }
+ break;
+#endif
+#if (XILINX_FSL_NUMBER > 5)
+ case 5:
+ 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;
+ }
+ break;
+#endif
+#if (XILINX_FSL_NUMBER > 6)
+ case 6:
+ 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;
+ }
+ break;
+#endif
+#if (XILINX_FSL_NUMBER > 7)
+ case 7:
+ 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;
+ }
+ break;
+#endif
+ default:
+ return 1;
+ }
+
+ printf ("%01x: 0x%08lx - %s %s write\n", fslnum, num,
+ blocking < 2 ? "non blocking" : "blocking",
+ ((blocking == 1) || (blocking == 3)) ? "control" : "data" );
+ return 0;
+
+}
+
+int do_rspr (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
+{
+ unsigned int reg = 0;
+ unsigned int val = 0;
+
+ reg = (unsigned int)simple_strtoul (argv[1], NULL, 16);
+ val = (unsigned int)simple_strtoul (argv[2], NULL, 16);
+ if (argc < 1) {
+ printf ("Usage:\n%s\n", cmdtp->usage);
+ return 1;
+ }
+ 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:
+ return 1;
+ }
+ printf (": 0x%08lx\n", val);
+ return 0;
+}
+
+/***************************************************/
+
+U_BOOT_CMD (frd, 3, 1, do_frd,
+ "frd - read data from FSL\n",
+ "- [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\n");
+
+
+U_BOOT_CMD (fwr, 4, 1, do_fwr,
+ "fwr - write data to FSL\n",
+ "- [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\n");
+
+U_BOOT_CMD (rspr, 3, 1, do_rspr,
+ "rmsr - read/write special purpose register\n",
+ "- reg_num [write value] read/write special purpose register\n"
+ " 0 - MSR - Machine status register\n"
+ " 1 - EAR - Exception address register\n"
+ " 2 - ESR - Exception status register\n");
+
+#endif
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