patch-2.4.19 linux-2.4.19/arch/mips/sgi/kernel/indy_hpc.c
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- Lines: 107
- Date:
Wed Dec 31 16:00:00 1969
- Orig file:
linux-2.4.18/arch/mips/sgi/kernel/indy_hpc.c
- Orig date:
Sun Sep 9 10:43:02 2001
diff -urN linux-2.4.18/arch/mips/sgi/kernel/indy_hpc.c linux-2.4.19/arch/mips/sgi/kernel/indy_hpc.c
@@ -1,106 +0,0 @@
-/* $Id: indy_hpc.c,v 1.9 1999/12/04 03:59:00 ralf Exp $
- *
- * indy_hpc.c: Routines for generic manipulation of the HPC controllers.
- *
- * Copyright (C) 1996 David S. Miller (dm@engr.sgi.com)
- * Copyright (C) 1998 Ralf Baechle
- */
-#include <linux/init.h>
-#include <linux/types.h>
-
-#include <asm/addrspace.h>
-#include <asm/sgi/sgihpc.h>
-#include <asm/sgi/sgint23.h>
-#include <asm/sgialib.h>
-#include <asm/bootinfo.h>
-
-/* #define DEBUG_SGIHPC */
-
-struct hpc3_regs *hpc3c0, *hpc3c1;
-struct hpc3_miscregs *hpc3mregs;
-
-/* We need software copies of these because they are write only. */
-unsigned int sgi_hpc_write1, sgi_hpc_write2;
-
-/* Machine specific identifier knobs. */
-int sgi_has_ioc2 = 0;
-int sgi_guiness = 0;
-int sgi_boardid;
-
-void __init sgihpc_init(void)
-{
- unsigned long sid, crev, brev;
-
- hpc3c0 = (struct hpc3_regs *) (KSEG1 + HPC3_CHIP0_PBASE);
- hpc3c1 = (struct hpc3_regs *) (KSEG1 + HPC3_CHIP1_PBASE);
- hpc3mregs = (struct hpc3_miscregs *) (KSEG1 + HPC3_MREGS_PBASE);
- sid = hpc3mregs->sysid;
-
- sid &= 0xff;
- crev = (sid & 0xe0) >> 5;
- brev = (sid & 0x1e) >> 1;
-
-#ifdef DEBUG_SGIHPC
- prom_printf("sgihpc_init: crev<%2x> brev<%2x>\n", crev, brev);
- prom_printf("sgihpc_init: ");
-#endif
-
- /* This test works now thanks to William J. Earl */
- if ((sid & 1) == 0 ) {
-#ifdef DEBUG_SGIHPC
- prom_printf("GUINESS ");
-#endif
- sgi_guiness = 1;
- mips_machtype = MACH_SGI_INDY;
- } else {
-#ifdef DEBUG_SGIHPC
- prom_printf("FULLHOUSE ");
-#endif
- mips_machtype = MACH_SGI_INDIGO2;
- sgi_guiness = 0;
- }
- sgi_boardid = brev;
-
-#ifdef DEBUG_SGIHPC
- prom_printf("sgi_boardid<%d> ", sgi_boardid);
-#endif
-
- if(crev == 1) {
- if((sid & 1) || (brev >= 2)) {
-#ifdef DEBUG_SGIHPC
- prom_printf("IOC2 ");
-#endif
- sgi_has_ioc2 = 1;
- } else {
-#ifdef DEBUG_SGIHPC
- prom_printf("IOC1 revision 1 ");
-#endif
- }
- } else {
-#ifdef DEBUG_SGIHPC
- prom_printf("IOC1 revision 0 ");
-#endif
- }
-#ifdef DEBUG_SGIHPC
- prom_printf("\n");
-#endif
-
- sgi_hpc_write1 = (HPC3_WRITE1_PRESET |
- HPC3_WRITE1_KMRESET |
- HPC3_WRITE1_ERESET |
- HPC3_WRITE1_LC0OFF);
-
- sgi_hpc_write2 = (HPC3_WRITE2_EASEL |
- HPC3_WRITE2_NTHRESH |
- HPC3_WRITE2_TPSPEED |
- HPC3_WRITE2_EPSEL |
- HPC3_WRITE2_U0AMODE |
- HPC3_WRITE2_U1AMODE);
-
- if(!sgi_guiness)
- sgi_hpc_write1 |= HPC3_WRITE1_GRESET;
- hpc3mregs->write1 = sgi_hpc_write1;
- hpc3mregs->write2 = sgi_hpc_write2;
-
- hpc3c0->pbus_piocfgs[0][6] |= HPC3_PIOPCFG_HW;
-}
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