ENGR00120476: Add fuse support for mx51

Add fuse support for mx51.

Signed-off-by: Terry Lv <r65388@freescale.com>

2 files changed, 67 insertions, 1 deletions

diff --git a/include/asm-arm/arch-mx51/imx_fuse.h b/include/asm-arm/arch-mx51/imx_fuse.h
new file mode 100644
index 0000000..8a65613
--- /dev/null
+++ b/include/asm-arm/arch-mx51/imx_fuse.h
@@ -0,0 +1,33 @@
+/*
+ * (C) Copyright 2009-2010 Freescale Semiconductor, Inc.
+ *
+ * Configuration settings for the MX51-3Stack Freescale board.
+ *
+ * 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
+ */
+
+#ifndef _IMX_FUSE_H_
+#define _IMX_FUSE_H_
+
+#define IIM_ERR_SHIFT       8
+#define POLL_FUSE_PRGD      (IIM_STAT_PRGD | (IIM_ERR_PRGE << IIM_ERR_SHIFT))
+#define POLL_FUSE_SNSD      (IIM_STAT_SNSD | (IIM_ERR_SNSE << IIM_ERR_SHIFT))
+
+int fuse_read(int bank, char row);
+int fuse_blow(int bank, int row, int val);
+int fuse_blow_func(char *func_name, char *func_val);
+
+#endif
diff --git a/include/asm-arm/arch-mx51/mx51.h b/include/asm-arm/arch-mx51/mx51.h
index 00e50cf..5fc57bb 100644
--- a/include/asm-arm/arch-mx51/mx51.h
+++ b/include/asm-arm/arch-mx51/mx51.h
@@ -1,5 +1,5 @@
 /*
- * Copyright 2009 Freescale Semiconductor, Inc. All Rights Reserved.
+ * Copyright 2009-2010 Freescale Semiconductor, Inc. All Rights Reserved.
  */
 
 /*
@@ -390,6 +390,39 @@
 #define DP_MFD_216	(4 - 1)
 #define DP_MFN_216	3
 
+/* IIM */
+#define IIM_STAT_OFF            0x00
+#define IIM_STAT_BUSY           (1 << 7)
+#define IIM_STAT_PRGD           (1 << 1)
+#define IIM_STAT_SNSD           (1 << 0)
+#define IIM_STATM_OFF           0x04
+#define IIM_ERR_OFF             0x08
+#define IIM_ERR_PRGE            (1 << 7)
+#define IIM_ERR_WPE         (1 << 6)
+#define IIM_ERR_OPE         (1 << 5)
+#define IIM_ERR_RPE         (1 << 4)
+#define IIM_ERR_WLRE        (1 << 3)
+#define IIM_ERR_SNSE        (1 << 2)
+#define IIM_ERR_PARITYE     (1 << 1)
+#define IIM_EMASK_OFF           0x0C
+#define IIM_FCTL_OFF            0x10
+#define IIM_UA_OFF              0x14
+#define IIM_LA_OFF              0x18
+#define IIM_SDAT_OFF            0x1C
+#define IIM_PREV_OFF            0x20
+#define IIM_SREV_OFF            0x24
+#define IIM_PREG_P_OFF          0x28
+#define IIM_SCS0_OFF            0x2C
+#define IIM_SCS1_P_OFF          0x30
+#define IIM_SCS2_OFF            0x34
+#define IIM_SCS3_P_OFF          0x38
+
+#define IIM_PROD_REV_SH         3
+#define IIM_PROD_REV_LEN        5
+#define IIM_SREV_REV_SH         4
+#define IIM_SREV_REV_LEN        4
+#define PROD_SIGNATURE_MX51     0x1
+
 #define CHIP_REV_1_0            0x10
 #define CHIP_REV_1_1            0x11
 #define CHIP_REV_2_0            0x20