Merge with /home/git/u-boot

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..ffa2666
--- /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 (CONFIG_COMMANDS & CFG_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				/* CONFIG_MICROBLAZE & CFG_CMD_MFSL */