summaryrefslogtreecommitdiffstats
path: root/arch/m68k/include/asm/coldfire/rng.h
diff options
context:
space:
mode:
Diffstat (limited to 'arch/m68k/include/asm/coldfire/rng.h')
-rw-r--r--arch/m68k/include/asm/coldfire/rng.h52
1 files changed, 52 insertions, 0 deletions
diff --git a/arch/m68k/include/asm/coldfire/rng.h b/arch/m68k/include/asm/coldfire/rng.h
new file mode 100644
index 0000000000..1eefc56bd4
--- /dev/null
+++ b/arch/m68k/include/asm/coldfire/rng.h
@@ -0,0 +1,52 @@
+/*
+ * RNG Memory Map
+ *
+ * Copyright (C) 2004-2008 Freescale Semiconductor, Inc.
+ * TsiChung Liew (Tsi-Chung.Liew@freescale.com)
+ *
+ * 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
+ */
+
+#ifndef __RNG_H__
+#define __RNG_H__
+
+/* Random Number Generator */
+typedef struct rng_ctrl {
+ u32 cr; /* 0x00 Control */
+ u32 sr; /* 0x04 Status */
+ u32 er; /* 0x08 Entropy */
+ u32 out; /* 0x0C Output FIFO */
+} rng_t;
+
+#define RNG_CR_SLM (0x00000010) /* Sleep mode - 5445x */
+#define RNG_CR_CI (0x00000008) /* Clear interrupt */
+#define RNG_CR_IM (0x00000004) /* Interrupt mask */
+#define RNG_CR_HA (0x00000002) /* High assurance */
+#define RNG_CR_GO (0x00000001) /* Go bit */
+
+#define RNG_SR_OFS(x) (((x) & 0x000000FF) << 16)
+#define RNG_SR_OFS_MASK (0xFF00FFFF)
+#define RNG_SR_OFL(x) (((x) & 0x000000FF) << 8)
+#define RNG_SR_OFL_MASK (0xFFFF00FF)
+#define RNG_SR_EI (0x00000008)
+#define RNG_SR_FUF (0x00000004)
+#define RNG_SR_LRS (0x00000002)
+#define RNG_SR_SV (0x00000001)
+
+#endif /* __RNG_H__ */
OpenPOWER on IntegriCloud