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