diff options
author | Sascha Hauer <sascha@saschahauer.de> | 2006-06-19 15:28:19 +0100 |
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committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2006-06-19 15:28:19 +0100 |
commit | ef70cd4d247defcd7c0f789a5a98deab0afadf53 (patch) | |
tree | f70493a24f7e83aaf09c52ee274d7b1dc36ade28 /include/asm-arm | |
parent | bb6d8c8828123e01e2ae6c9d9c4870477889fd94 (diff) |
[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/asm-arm')
-rw-r--r-- | include/asm-arm/arch-netx/pfifo.h | 54 |
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 */ |