patch-2.4.22 linux-2.4.22/arch/ia64/sn/io/sgi_io_init.c

• Lines: 337
• Date: 1969-12-31 16:00:00.000000000 -0800
• Orig file: linux-2.4.21/arch/ia64/sn/io/sgi_io_init.c
• Orig date: 2002-08-02 17:39:43.000000000 -0700

diff -urN linux-2.4.21/arch/ia64/sn/io/sgi_io_init.c linux-2.4.22/arch/ia64/sn/io/sgi_io_init.c
@@ -1,336 +0,0 @@
-/* $Id$
- *
- * 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.
- */
-
-#include <linux/types.h>
-#include <linux/config.h>
-#include <linux/slab.h>
-#include <asm/sn/sgi.h>
-#include <asm/sn/io.h>
-#include <asm/sn/sn_cpuid.h>
-#include <asm/sn/klconfig.h>
-#include <asm/sn/sn_private.h>
-#include <asm/sn/pci/pciba.h>
-#include <linux/smp.h>
-
-extern void mlreset(int );
-extern int init_hcl(void);
-extern void klgraph_hack_init(void);
-extern void hubspc_init(void);
-extern void pciio_init(void);
-extern void pcibr_init(void);
-extern void xtalk_init(void);
-extern void xbow_init(void);
-extern void xbmon_init(void);
-extern void pciiox_init(void);
-extern void usrpci_init(void);
-extern void ioc3_init(void);
-extern void initialize_io(void);
-#if defined(CONFIG_IA64_SGI_SN1)
-extern void intr_clear_all(nasid_t);
-#endif
-extern void klhwg_add_all_modules(devfs_handle_t);
-extern void klhwg_add_all_nodes(devfs_handle_t);
-
-void sn_mp_setup(void);
-extern devfs_handle_t hwgraph_root;
-extern void io_module_init(void);
-extern void pci_bus_cvlink_init(void);
-extern void temp_hack(void);
-
-extern int pci_bus_to_hcl_cvlink(void);
-
-/* #define DEBUG_IO_INIT 1 */
-#ifdef DEBUG_IO_INIT
-#define DBG(x...) printk(x)
-#else
-#define DBG(x...)
-#endif /* DEBUG_IO_INIT */
-
-/*
- * per_hub_init
- *
- * 	This code is executed once for each Hub chip.
- */
-static void
-per_hub_init(cnodeid_t cnode)
-{
-	nasid_t		nasid;
-	nodepda_t	*npdap;
-	ii_icmr_u_t	ii_icmr;
-	ii_ibcr_u_t	ii_ibcr;
-
-	nasid = COMPACT_TO_NASID_NODEID(cnode);
-
-	ASSERT(nasid != INVALID_NASID);
-	ASSERT(NASID_TO_COMPACT_NODEID(nasid) == cnode);
-
-	npdap = NODEPDA(cnode);
-
-#if defined(CONFIG_IA64_SGI_SN1)
-	/* initialize per-node synergy perf instrumentation */
-	npdap->synergy_perf_enabled = 0; /* off by default */
-	npdap->synergy_perf_lock = SPIN_LOCK_UNLOCKED;
-	npdap->synergy_perf_freq = SYNERGY_PERF_FREQ_DEFAULT;
-	npdap->synergy_inactive_intervals = 0;
-	npdap->synergy_active_intervals = 0;
-	npdap->synergy_perf_data = NULL;
-	npdap->synergy_perf_first = NULL;
-#endif /* CONFIG_IA64_SGI_SN1 */
-
-
-	/*
-	 * Set the total number of CRBs that can be used.
-	 */
-	ii_icmr.ii_icmr_regval= 0x0;
-	ii_icmr.ii_icmr_fld_s.i_c_cnt = 0xF;
-	REMOTE_HUB_S(nasid, IIO_ICMR, ii_icmr.ii_icmr_regval);
-
-	/*
-	 * Set the number of CRBs that both of the BTEs combined
-	 * can use minus 1.
-	 */
-	ii_ibcr.ii_ibcr_regval= 0x0;
-	ii_ibcr.ii_ibcr_fld_s.i_count = 0x8;
-	REMOTE_HUB_S(nasid, IIO_IBCR, ii_ibcr.ii_ibcr_regval);
-
-	/*
-	 * Set CRB timeout to be 10ms.
-	 */
-	REMOTE_HUB_S(nasid, IIO_ICTP, 0x1000 );
-	REMOTE_HUB_S(nasid, IIO_ICTO, 0xff);
-
-
-#if defined(CONFIG_IA64_SGI_SN1)
-	/* Reserve all of the hardwired interrupt levels. */
-	intr_reserve_hardwired(cnode);
-#endif
-
-	/* Initialize error interrupts for this hub. */
-	hub_error_init(cnode);
-}
-
-/*
- * This routine is responsible for the setup of all the IRIX hwgraph style
- * stuff that's been pulled into linux.  It's called by sn_pci_find_bios which
- * is called just before the generic Linux PCI layer does its probing (by 
- * platform_pci_fixup aka sn_pci_fixup).
- *
- * It is very IMPORTANT that this call is only made by the Master CPU!
- *
- */
-
-void
-sgi_master_io_infr_init(void)
-{
-	int cnode;
-
-	/*
-	 * Do any early init stuff .. einit_tbl[] etc.
-	 */
-	DBG("--> sgi_master_io_infr_init: calling init_hcl().\n");
-	init_hcl(); /* Sets up the hwgraph compatibility layer with devfs */
-
-#ifdef Colin
-
-printk("Testing out Xbridge Access .. if it hangs Xbridge is not init yet.\n");
-printk("	Reading Xbridge WID at address 0xc00000080f000000 0x%p\n", (* (volatile uint32_t *)(0xc00000080f000000)));
-
-printk("Testing out PCI Address Space Accesses\n");
-printk("	Testing PCI Config Read Byte: address 0xc00000080f020000 value 0x%x\n",(* (volatile uint8_t *)(0xc00000080f020000)));
-
-printk("	Testing PCI Config Read Byte: address 0xc00000080f020001 value 0x%x\n",(* (volatile uint8_t *)(0xc00000080f020001)));
-
-printk("	Testing PCI Config Read Byte: address 0xc00000080f020002 value 0x%x\n",(* (volatile uint8_t *)(0xc00000080f020002)));
-
-printk("	Testing PCI Config Read Byte: address 0xc00000080f020003 value 0x%x\n",(* (volatile uint8_t *)(0xc00000080f020003)));
-
-printk("        Testing PCI Config Read Byte: address 0xc00000080f020004 value 0x%x\n",(* (volatile uint8_t *)(0xc00000080f020004)));
-
-printk("        Testing PCI Config Read Byte: address 0xc00000080f020005 value 0x%x\n",(* (volatile uint8_t *)(0xc00000080f020005)));
-
-printk("        Testing PCI Config Read Byte: address 0xc00000080f020006 value 0x%x\n",(* (volatile uint8_t *)(0xc00000080f020006)));
-
-printk("        Testing PCI Config Read Byte: address 0xc00000080f020007 value 0x%x\n",(* (volatile uint8_t *)(0xc00000080f020007)));
-
-printk("	Testing PCI Config Word: address 0xc00000080f020004 value 0x%x\n",(* (volatile uint32_t *)(0xc00000080f020004)));
-
-printk("	Testing PCI Config Word: address 0xc00000080f020008 value 0x%x\n",(* (volatile uint32_t *)(0xc00000080f020008)));
-
-#endif
-
-	/*
-	 * initialize the Linux PCI to xwidget vertexes ..
-	 */
-	DBG("--> sgi_master_io_infr_init: calling pci_bus_cvlink_init().\n");
-	pci_bus_cvlink_init();
-
-#ifdef BRINGUP
-#ifdef CONFIG_IA64_SGI_SN1
-	/*
-	 * Hack to provide statically initialzed klgraph entries.
-	 */
-	DBG("--> sgi_master_io_infr_init: calling klgraph_hack_init()\n");
-	klgraph_hack_init();
-#endif /* CONFIG_IA64_SGI_SN1 */
-#endif /* BRINGUP */
-
-	/*
-	 * This is the Master CPU.  Emulate mlsetup and main.c in Irix.
-	 */
-	DBG("--> sgi_master_io_infr_init: calling mlreset(0).\n");
-	mlreset(0); /* Master .. */
-
-	/*
-	 * allowboot() is called by kern/os/main.c in main()
-	 * Emulate allowboot() ...
-	 *   per_cpu_init() - only need per_hub_init()
-	 *   cpu_io_setup() - Nothing to do.
-	 * 
-	 */
-	DBG("--> sgi_master_io_infr_init: calling sn_mp_setup().\n");
-	sn_mp_setup();
-
-	DBG("--> sgi_master_io_infr_init: calling per_hub_init(0).\n");
-	for (cnode = 0; cnode < numnodes; cnode++) {
-		per_hub_init(cnode);
-	}
-
-	/* We can do headless hub cnodes here .. */
-
-	/*
-	 * io_init[] stuff.
-	 *
-	 * Get SGI IO Infrastructure drivers to init and register with 
-	 * each other etc.
-	 */
-
-	DBG("--> sgi_master_io_infr_init: calling hubspc_init()\n");
-	hubspc_init();
-
-	DBG("--> sgi_master_io_infr_init: calling pciio_init()\n");
-	pciio_init();
-
-	DBG("--> sgi_master_io_infr_init: calling pcibr_init()\n");
-	pcibr_init();
-
-	DBG("--> sgi_master_io_infr_init: calling xtalk_init()\n");
-	xtalk_init();
-
-	DBG("--> sgi_master_io_infr_init: calling xbow_init()\n");
-	xbow_init();
-
-	DBG("--> sgi_master_io_infr_init: calling xbmon_init()\n");
-	xbmon_init();
-
-	DBG("--> sgi_master_io_infr_init: calling pciiox_init()\n");
-	pciiox_init();
-
-	DBG("--> sgi_master_io_infr_init: calling usrpci_init()\n");
-	usrpci_init();
-
-	DBG("--> sgi_master_io_infr_init: calling ioc3_init()\n");
-	ioc3_init();
-
-	/*
-	 *
-	 * Our IO Infrastructure drivers are in place .. 
-	 * Initialize the whole IO Infrastructure .. xwidget/device probes.
-	 *
-	 */
-	DBG("--> sgi_master_io_infr_init: Start Probe and IO Initialization\n");
-	initialize_io();
-
-	DBG("--> sgi_master_io_infr_init: Setting up SGI IO Links for Linux PCI\n");
-	pci_bus_to_hcl_cvlink();
-
-#ifdef CONFIG_PCIBA
-	DBG("--> sgi_master_io_infr_init: calling pciba_init()\n");
-	pciba_init();
-#endif
-
-	DBG("--> Leave sgi_master_io_infr_init: DONE setting up SGI Links for PCI\n");
-}
-
-/*
- * sgi_slave_io_infr_init - This routine must be called on all cpus except 
- * the Master CPU.
- */
-void
-sgi_slave_io_infr_init(void)
-{
-	/* Emulate cboot() .. */
-	mlreset(1); /* This is a slave cpu */
-
-	// per_hub_init(0); /* Need to get and send in actual cnode number */
-
-	/* Done */
-}
-
-/*
- * One-time setup for MP SN.
- * Allocate per-node data, slurp prom klconfig information and
- * convert it to hwgraph information.
- */
-void
-sn_mp_setup(void)
-{
-	cnodeid_t	cnode;
-	cpuid_t		cpu;
-
-	for (cpu = 0; cpu < smp_num_cpus; cpu++) {
-		/* Skip holes in CPU space */
-		if (cpu_enabled(cpu)) {
-			init_platform_pda(cpu);
-		}
-	}
-
-	/*
-	 * Initialize platform-dependent vertices in the hwgraph:
-	 *	module
-	 *	node
-	 *	cpu
-	 *	memory
-	 *	slot
-	 *	hub
-	 *	router
-	 *	xbow
-	 */
-
-	DBG("sn_mp_io_setup: calling io_module_init()\n");
-	io_module_init(); /* Use to be called module_init() .. */
-
-	DBG("sn_mp_setup: calling klhwg_add_all_modules()\n");
-	klhwg_add_all_modules(hwgraph_root);
-	DBG("sn_mp_setup: calling klhwg_add_all_nodes()\n");
-	klhwg_add_all_nodes(hwgraph_root);
-
-
-	for (cnode = 0; cnode < numnodes; cnode++) {
-
-		/*
-		 * This routine clears the Hub's Interrupt registers.
-		 */
-		/*
-		 * We need to move this intr_clear_all() routine 
-		 * from SN/intr.c to a more appropriate file.
-		 * Talk to Al Mayer.
-		 */
-#if defined(CONFIG_IA64_SGI_SN1)
-                intr_clear_all(COMPACT_TO_NASID_NODEID(cnode));
-#endif
-		/* now init the hub */
-	//	per_hub_init(cnode);
-
-	}
-
-#if defined(CONFIG_IA64_SGI_SN1)
-	synergy_perf_init();
-#endif
-
-}