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authorSascha Hauer <sascha@saschahauer.de>2006-06-19 15:28:19 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2006-06-19 15:28:19 +0100
commitef70cd4d247defcd7c0f789a5a98deab0afadf53 (patch)
treef70493a24f7e83aaf09c52ee274d7b1dc36ade28 /include
parentbb6d8c8828123e01e2ae6c9d9c4870477889fd94 (diff)
downloadlinux-2.6.34-ux500-ef70cd4d247defcd7c0f789a5a98deab0afadf53.tar.gz
[ARM] 3568/2: netX: pointer fifo driver
Patch from Sascha Hauer This patch adds support for the pointer FIFOs on netX. Signed-off-by: Robert Schwebel <r.schwebel@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'include')
-rw-r--r--include/asm-arm/arch-netx/pfifo.h54
1 files changed, 54 insertions, 0 deletions
diff --git a/include/asm-arm/arch-netx/pfifo.h b/include/asm-arm/arch-netx/pfifo.h
new file mode 100644
index 00000000000..4af2ee4a32c
--- /dev/null
+++ b/include/asm-arm/arch-netx/pfifo.h
@@ -0,0 +1,54 @@
+/*
+ * include/asm-arm/arch-netx/pfifo.h
+ *
+ * Copyright (c) 2005 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2
+ * as published by the Free Software Foundation.
+ *
+ * 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 ASM_ARCH_PFIFO_H
+#define ASM_ARCH_PFIFO_H
+
+static inline int pfifo_push(int no, unsigned int pointer)
+{
+ writel(pointer, NETX_PFIFO_BASE(no));
+ return 0;
+}
+
+static inline unsigned int pfifo_pop(int no)
+{
+ return readl(NETX_PFIFO_BASE(no));
+}
+
+static inline int pfifo_fill_level(int no)
+{
+
+ return readl(NETX_PFIFO_FILL_LEVEL(no));
+}
+
+static inline int pfifo_full(int no)
+{
+ return readl(NETX_PFIFO_FULL) & (1<<no) ? 1 : 0;
+}
+
+static inline int pfifo_empty(int no)
+{
+ return readl(NETX_PFIFO_EMPTY) & (1<<no) ? 1 : 0;
+}
+
+int pfifo_request(unsigned int pfifo_mask);
+void pfifo_free(unsigned int pfifo_mask);
+
+#endif /* ASM_ARCH_PFIFO_H */