diff options
Diffstat (limited to 'include/asm-ia64/sn/pio_flush.h')
| -rw-r--r-- | include/asm-ia64/sn/pio_flush.h | 65 |
1 files changed, 0 insertions, 65 deletions
diff --git a/include/asm-ia64/sn/pio_flush.h b/include/asm-ia64/sn/pio_flush.h deleted file mode 100644 index 194348c75c3602..00000000000000 --- a/include/asm-ia64/sn/pio_flush.h +++ /dev/null @@ -1,65 +0,0 @@ -/* - * - * 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) 2001-2002 Silicon Graphics, Inc. All rights reserved. - */ - - -#include <linux/config.h> - -#ifndef _ASM_IA64_PIO_FLUSH_H -#define _ASM_IA64_PIO_FLUSH_H - -/* - * This macro flushes all outstanding PIOs performed by this cpu to the - * intended destination SHUB. This in essence ensures that all PIO's - * issues by this cpu has landed at it's destination. - * - * This macro expects the caller: - * 1. The thread is locked. - * 2. All prior PIO operations has been fenced. - * - */ - -#if defined (CONFIG_IA64_SGI_SN) - -#include <asm/sn/pda.h> - -#if defined (CONFIG_IA64_SGI_SN2) - -#define PIO_FLUSH() \ - { \ - while ( !((volatile unsigned long) (*pda.pio_write_status_addr)) & 0x8000000000000000) { \ - udelay(5); \ - } \ - __ia64_mf_a(); \ - } - -#elif defined (CONFIG_IA64_SGI_SN1) - -/* - * For SN1 we need to first read any local Bedrock's MMR and then poll on the - * Synergy MMR. - */ -#define PIO_FLUSH() \ - { \ - (volatile unsigned long) (*pda.bedrock_rev_id); \ - while (!(volatile unsigned long) (*pda.pio_write_status_addr)) { \ - udelay(5); \ - } \ - __ia64_mf_a(); \ - } -#endif -#else -/* - * For all ARCHITECTURE type, this is a NOOP. - */ - -#define PIO_FLUSH() - -#endif - -#endif /* _ASM_IA64_PIO_FLUSH_H */ |