ip37.c
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上传日期:2013-04-10
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文件大小:1k
- /*
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * Copyright (C) 1992 - 1997, 2000-2002 Silicon Graphics, Inc. All rights reserved.
- */
- /*
- * ip37.c
- * Support for IP35/IP37 machines
- */
- #include <linux/types.h>
- #include <asm/sn/sgi.h>
- #include <asm/sn/io.h>
- #include <asm/sn/klconfig.h>
- #include <asm/sn/pci/bridge.h> /* for bridge_t */
- xwidgetnum_t
- hub_widget_id(nasid_t nasid)
- {
- hubii_wcr_t ii_wcr; /* the control status register */
-
- ii_wcr.wcr_reg_value = REMOTE_HUB_L(nasid,IIO_WCR);
- return ii_wcr.wcr_fields_s.wcr_widget_id;
- }
- int
- is_fine_dirmode(void)
- {
- return (((LOCAL_HUB_L(LB_REV_ID) & LRI_SYSTEM_SIZE_MASK)
- >> LRI_SYSTEM_SIZE_SHFT) == SYSTEM_SIZE_SMALL);
- }
- void
- ni_reset_port(void)
- {
- LOCAL_HUB_S(NI_RESET_ENABLE, NRE_RESETOK);
- LOCAL_HUB_S(NI_PORT_RESET, NPR_PORTRESET | NPR_LOCALRESET);
- }