Bad duplicate of mpcpcibr.c

1 files changed, 0 insertions, 608 deletions

diff --git a/sys/arch/mvmeppc/pci/raven.c b/sys/arch/mvmeppc/pci/raven.c
deleted file mode 100644
index fd823c196d7..00000000000
--- a/sys/arch/mvmeppc/pci/raven.c
+++ /dev/null
@@ -1,608 +0,0 @@
-/*	$OpenBSD: raven.c,v 1.8 2003/05/11 19:41:12 deraadt Exp $ */
-
-/*
- * Copyright (c) 2001 Steve Murphree, Jr.
- * 
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- *    must display the following acknowledgement:
- *	This product includes software developed under OpenBSD for RTMX Inc
- *      by Per Fogelstrom, Opsycon AB.
- * 4. The name of the author may not be used to endorse or promote products
- *    derived from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
- * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
- * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
- * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- */
-
-/*
- * Motorola 'Raven' PCI BUS Bridge driver.
- * specialized hooks for different config methods.
- */
-
-#include <sys/param.h>
-#include <sys/systm.h>
-#include <sys/kernel.h>
-#include <sys/malloc.h>
-#include <sys/device.h>
-#include <sys/proc.h>
-#include <uvm/uvm_extern.h>
-
-#include <machine/autoconf.h>
-#include <machine/bat.h>
-
-#include <dev/pci/pcireg.h>
-#include <dev/pci/pcivar.h>
-#include <dev/pci/pcidevs.h>
-
-#include <mvmeppc/pci/pcibrvar.h>
-#include <mvmeppc/pci/ravenreg.h>
-
-int	 mpcpcibrmatch(struct device *, void *, void *);
-void	 mpcpcibrattach(struct device *, struct device *, void *);
-
-void	 mpc_attach_hook(struct device *, struct device *,
-				struct pcibus_attach_args *);
-int	 mpc_bus_maxdevs(void *, int);
-pcitag_t mpc_make_tag(void *, int, int, int);
-void	 mpc_decompose_tag(void *, pcitag_t, int *, int *, int *);
-pcireg_t mpc_conf_read(void *, pcitag_t, int);
-void	 mpc_conf_write(void *, pcitag_t, int, pcireg_t);
-
-int      mpc_intr_map(void *, pcitag_t, int, int, pci_intr_handle_t *);
-const char *mpc_intr_string(void *, pci_intr_handle_t);
-int	 mpc_intr_line(void *, pci_intr_handle_t);
-void     *mpc_intr_establish(void *, pci_intr_handle_t,
-            int, int (*func)(void *), void *, char *);
-void     mpc_intr_disestablish(void *, void *);
-int      mpc_ether_hw_addr(struct ppc_pci_chipset *, u_int8_t *);
-
-struct cfattach mpcpcibr_ca = {
-        sizeof(struct pcibr_softc), mpcpcibrmatch, mpcpcibrattach,
-};
-
-struct cfdriver mpcpcibr_cd = {
-	NULL, "mpcpcibr", DV_DULL,
-};
-
-static int      mpcpcibrprint(void *, const char *pnp);
-
-struct pcibr_config mpc_config;
-
-/*
- * config types
- * bit meanings
- * 0 - standard cf8/cfc type configurations,
- *     sometimes the base addresses for these are different
- * 1 - Config Method #2 configuration - uni-north
- *
- * 2 - 64 bit config bus, data for accesses &4 is at daddr+4;
- */
-
-struct powerpc_bus_dma_tag pci_bus_dma_tag = {
-	NULL,
-	_dmamap_create,
-	_dmamap_destroy,
-	_dmamap_load,
-	_dmamap_load_mbuf,
-	_dmamap_load_uio,
-	_dmamap_load_raw,
-	_dmamap_unload,
-	_dmamap_sync,
-	_dmamem_alloc,
-	_dmamem_free,
-	_dmamem_map,
-	_dmamem_unmap,
-	_dmamem_mmap
-};
-
-int
-mpcpcibrmatch(parent, match, aux)
-	struct device *parent;
-	void *match, *aux;
-{
-	struct confargs *ca = aux;
-	int handle; 
-	int found = 0;
-	int err;
-	unsigned int val;
-	int qhandle;
-	char type[32];
-
-	if (strcmp(ca->ca_name, mpcpcibr_cd.cd_name) != 0)
-		return (found);
-
-	found = 1;
-
-	return found;
-}
-
-int pci_map_a = 0;
-void
-mpcpcibrattach(parent, self, aux)
-	struct device *parent, *self;
-	void *aux;
-{
-	struct pcibr_softc *sc = (struct pcibr_softc *)self;
-	struct confargs *ca = aux;
-	struct pcibr_config *lcp;
-	struct pcibus_attach_args pba;
-	int map, node;
-	char *bridge;
-	int of_node = 0;
-
-	lcp = sc->sc_pcibr = &mpc_config;
-
-	addbatmap(RAVEN_V_PCI_MEM_SPACE, RAVEN_P_PCI_MEM_SPACE, BAT_I);
-
-	sc->sc_membus_space.bus_base = RAVEN_V_PCI_MEM_SPACE;
-	sc->sc_membus_space.bus_reverse = 1;
-	sc->sc_iobus_space.bus_base = RAVEN_V_PCI_IO_SPACE;
-	sc->sc_iobus_space.bus_reverse = 1;
-
-	lcp->lc_pc.pc_conf_v = lcp;
-	lcp->lc_pc.pc_attach_hook = mpc_attach_hook;
-	lcp->lc_pc.pc_bus_maxdevs = mpc_bus_maxdevs;
-	lcp->lc_pc.pc_make_tag = mpc_make_tag;
-	lcp->lc_pc.pc_decompose_tag = mpc_decompose_tag;
-	lcp->lc_pc.pc_conf_read = mpc_conf_read;
-	lcp->lc_pc.pc_conf_write = mpc_conf_write;
-	lcp->lc_pc.pc_ether_hw_addr = mpc_ether_hw_addr;
-	lcp->lc_iot = &sc->sc_iobus_space;
-	lcp->lc_memt = &sc->sc_membus_space;
-	
-	lcp->ioh_cf8 = PREP_CONFIG_ADD;
-	lcp->ioh_cfc = PREP_CONFIG_DAT;
-	
-	lcp->config_type = 0;
-        
-	lcp->lc_pc.pc_intr_v = lcp;
-	lcp->lc_pc.pc_intr_map = mpc_intr_map;
-	lcp->lc_pc.pc_intr_string = mpc_intr_string;
-	lcp->lc_pc.pc_intr_line = mpc_intr_line;
-	lcp->lc_pc.pc_intr_establish = mpc_intr_establish;
-	lcp->lc_pc.pc_intr_disestablish = mpc_intr_disestablish;
-
-	printf(": RAVEN, Revision 0x%x.\n", 
-	       mpc_cfg_read_1(lcp, RAVEN_PCI_REVID));
-	bridge = "RAVEN";
-	pba.pba_dmat = &pci_bus_dma_tag;
-
-	pba.pba_busname = "pci";
-	pba.pba_iot = &sc->sc_iobus_space;
-	pba.pba_memt = &sc->sc_membus_space;
-	pba.pba_pc = &lcp->lc_pc;
-	pba.pba_bus = 0;
-	pba.pba_flags = PCI_FLAGS_MEM_ENABLED | PCI_FLAGS_IO_ENABLED;
-	/* set mem and io base addresses */
-	mpc_cfg_write_4(lcp, RAVEN_PCI_MEM, RAVEN_P_PCI_MEM_SPACE);
-	mpc_cfg_write_4(lcp, RAVEN_PCI_IO, RAVEN_P_PCI_IO_SPACE);
-	/* enable mem and io mapping, and bus master */
-	mpc_cfg_write_2(lcp, RAVEN_PCI_CMD, 
-			RAVEN_CMD_IOSP|RAVEN_CMD_MEMSP|RAVEN_CMD_MASTR);
-
-	config_found(self, &pba, mpcpcibrprint);
-}
-                 
-static int
-mpcpcibrprint(aux, pnp)
-	void *aux;
-	const char *pnp;
-{
-	struct pcibus_attach_args *pba = aux;
-
-	if(pnp)
-		printf("%s at %s", pba->pba_busname, pnp);
-	printf(" bus %d", pba->pba_bus);
-	return(UNCONF);
-}
-
-/*
- *  Get PCI physical address from given virtual address.
- *  XXX Note that cross page boundaries are *not* guaranteed to work!
- */
-
-vm_offset_t
-vtophys(p)
-	void *p;
-{
-	vm_offset_t pa;
-	vm_offset_t va;
-
-	va = (vm_offset_t)p;
-	if((vm_offset_t)va < VM_MIN_KERNEL_ADDRESS) {
-		pa = va;
-	}
-	else {
-		pa = pmap_extract(vm_map_pmap(phys_map), va);
-	}
-	return(pa | ((pci_map_a == 1) ? RAVEN_PCI_CPUMEM : 0 ));
-}
-
-void
-mpc_attach_hook(parent, self, pba)
-	struct device *parent, *self;
-	struct pcibus_attach_args *pba;
-{
-}
-
-int
-mpc_ether_hw_addr(p, ethaddr)
-	struct ppc_pci_chipset *p;
-	u_int8_t *ethaddr;
-{
-	printf("mpc_ether_hw_addr not supported\n");
-	return(0);
-}
-
-int
-mpc_bus_maxdevs(cpv, busno)
-	void *cpv;
-	int busno;
-{
-	return(32);
-}
-
-#define BUS_SHIFT 16
-#define DEVICE_SHIFT 11
-#define FNC_SHIFT 8
-
-pcitag_t
-mpc_make_tag(cpv, bus, dev, fnc)
-	void *cpv;
-	int bus, dev, fnc;
-{
-	return (bus << BUS_SHIFT) | (dev << DEVICE_SHIFT) | (fnc << FNC_SHIFT);
-}
-
-void
-mpc_decompose_tag(cpv, tag, busp, devp, fncp)
-	void *cpv;
-	pcitag_t tag;
-	int *busp, *devp, *fncp;
-{
-	if (busp != NULL)
-		*busp = (tag >> BUS_SHIFT) & 0xff;
-	if (devp != NULL)
-		*devp = (tag >> DEVICE_SHIFT) & 0x1f;
-	if (fncp != NULL)
-		*fncp = (tag >> FNC_SHIFT) & 0x7;
-}
-
-static u_int32_t
-mpc_gen_config_reg(cpv, tag, offset)
-	void *cpv;
-	pcitag_t tag;
-	int offset;
-{
-	struct pcibr_config *cp = cpv;
-	unsigned int bus, dev, fcn;
-	u_int32_t reg;
-	/*
-	static int spin = 0;
-	while (spin > 85);
-	spin++;
-	*/
-
-	mpc_decompose_tag(cpv, tag, &bus, &dev, &fcn);
-
-	if (cp->config_type & 1) {
-		/* Config Mechanism #2 */
-		if (bus == 0) {
-			if (dev < 11) {
-				return 0xffffffff;
-			}
-			/*
-			 * Need to do config type 0 operation
-			 *  1 << (11?+dev) | fcn << 8 | reg
-			 * 11? is because pci spec states
-			 * that 11-15 is reserved.
-			 */
-			reg = 1 << (dev) | fcn << 8 | offset;
-			
-		} else {
-			if (dev > 15) {
-			 return 0xffffffff;
-			}
-			/*
-			 * config type 1 
-			 */
-			reg =  tag  | offset | 1;
-
-		}
-	} else {
-		/* config mechanism #2, type 0
-		/* standard cf8/cfc config */
-		reg =  0x80000000 | tag  | offset;
-
-	}
-	return reg;
-}
-
-/*#define DEBUG_CONFIG */
-pcireg_t
-mpc_conf_read(cpv, tag, offset)
-	void *cpv;
-	pcitag_t tag;
-	int offset;
-{
-	struct pcibr_config *cp = cpv;
-
-	pcireg_t data;
-	u_int32_t reg;
-	int device;
-	int s;
-	int handle; 
-	int daddr = 0;
-
-	if(offset & 3 || offset < 0 || offset >= 0x100) {
-		printf ("pci_conf_read: bad reg %x\n", offset);
-		return(~0);
-	}
-
-	reg = mpc_gen_config_reg(cpv, tag, offset);
-	/* if invalid tag, return -1 */
-	if (reg == 0xffffffff) {
-		return 0xffffffff;
-	}
-
-	if ((cp->config_type & 2) && (offset & 0x04)) {
-		daddr += 4;
-	}
-
-	s = splhigh();
-
-	bus_space_write_4(cp->lc_iot, cp->ioh_cf8, 0, reg);
-	bus_space_read_4(cp->lc_iot, cp->ioh_cf8, 0); /* XXX */
-	data = bus_space_read_4(cp->lc_iot, cp->ioh_cfc, daddr);
-	bus_space_write_4(cp->lc_iot, cp->ioh_cf8, 0, 0); /* disable */
-	bus_space_read_4(cp->lc_iot, cp->ioh_cf8, 0); /* XXX */
-
-	splx(s);
-#ifdef DEBUG_CONFIG
-	if (!((offset == 0) && (data == 0xffffffff))) {
-		unsigned int bus, dev, fcn;
-		mpc_decompose_tag(cpv, tag, &bus, &dev, &fcn);
-		printf("mpc_conf_read bus %x dev %x fcn %x offset %x", bus, dev, fcn,
-			offset);
-		printf(" daddr %x reg %x",daddr, reg);
-		printf(" data %x\n", data);
-	}
-#endif
-
-	return(data);
-}
-
-void
-mpc_conf_write(cpv, tag, offset, data)
-	void *cpv;
-	pcitag_t tag;
-	int offset;
-	pcireg_t data;
-{
-	struct pcibr_config *cp = cpv;
-	u_int32_t reg;
-	int s;
-	int handle; 
-	int daddr = 0;
-
-	reg = mpc_gen_config_reg(cpv, tag, offset);
-
-	/* if invalid tag, return ??? */
-	if (reg == 0xffffffff) {
-		return;
-	}
-	if ((cp->config_type & 2) && (offset & 0x04)) {
-		daddr += 4;
-	}
-#ifdef DEBUG_CONFIG
-	{
-		unsigned int bus, dev, fcn;
-		mpc_decompose_tag(cpv, tag, &bus, &dev, &fcn);
-		printf("mpc_conf_write bus %x dev %x fcn %x offset %x", bus,
-			dev, fcn, offset);
-		printf(" daddr %x reg %x",daddr, reg);
-		printf(" data %x\n", data);
-	}
-#endif
-
-	s = splhigh();
-
-	bus_space_write_4(cp->lc_iot, cp->ioh_cf8, 0, reg);
-	bus_space_read_4(cp->lc_iot, cp->ioh_cf8, 0); /* XXX */
-	bus_space_write_4(cp->lc_iot, cp->ioh_cfc, daddr, data);
-	bus_space_write_4(cp->lc_iot, cp->ioh_cf8, 0, 0); /* disable */
-	bus_space_read_4(cp->lc_iot, cp->ioh_cf8, 0); /* XXX */
-
-	splx(s);
-}
-
-
-int
-mpc_intr_map(lcv, bustag, buspin, line, ihp)
-	void *lcv;
-	pcitag_t bustag;
-	int buspin, line;
-	pci_intr_handle_t *ihp;
-{
-	struct pcibr_config *lcp = lcv;
-	pci_chipset_tag_t pc = &lcp->lc_pc; 
-	int error = 0;
-	int route;
-	int lvl;
-	int device;
-
-	*ihp = -1;
-        if (buspin == 0) {
-                /* No IRQ used. */
-                error = 1;
-        }
-        else if (buspin > 4) {
-                printf("mpc_intr_map: bad interrupt pin %d\n", buspin);
-                error = 1;
-        }
-
-	if(!error)
-		*ihp = line;
-	return error;
-}
-
-const char *
-mpc_intr_string(lcv, ih)
-	void *lcv;
-	pci_intr_handle_t ih;
-{
-	static char str[16];
-
-	snprintf(str, sizeof str, "irq %d", ih);
-	return(str);
-}
-
-int
-mpc_intr_string(lcv, ih)
-	void *lcv;
-	pci_intr_handle_t ih;
-{
-	return (ih);
-}
-
-typedef void     *(intr_establish_t)(void *, pci_intr_handle_t,
-            int, int, int (*func)(void *), void *, char *);
-typedef void     (intr_disestablish_t)(void *, void *);
-extern intr_establish_t *intr_establish_func;
-extern intr_disestablish_t *intr_disestablish_func;
-
-void *
-mpc_intr_establish(lcv, ih, level, func, arg, name)
-	void *lcv;
-	pci_intr_handle_t ih;
-	int level;
-	int (*func)(void *);
-	void *arg;
-	char *name;
-{
-	return (*intr_establish_func)(lcv, ih, IST_LEVEL, level, func, arg,
-		name);
-}
-
-void
-mpc_intr_disestablish(lcv, cookie)
-	void *lcv, *cookie;
-{
-	/* XXX We should probably do something clever here.... later */
-}
-
-u_int32_t
-pci_iack()
-{
-	/* do pci IACK cycle */
-	/* this should be bus allocated. */
-	volatile u_int8_t *iack = (u_int8_t *)RAVEN_PIACK;
-	u_int8_t val;
-
-	val = *iack;
-	return val;
-}
-
-void
-mpc_cfg_write_1(cp, reg, val)
-	struct pcibr_config *cp;
-	u_int32_t reg;
-	u_int8_t val;
-{
-	int s;
-	s = splhigh();
-	bus_space_write_4(cp->lc_iot, cp->ioh_cf8, 0,
-		RAVEN_REGOFFS(reg));
-	bus_space_write_1(cp->lc_iot, cp->ioh_cfc, 0, val);
-	splx(s);
-}
-
-void
-mpc_cfg_write_2(cp, reg, val)
-	struct pcibr_config *cp;
-	u_int32_t reg;
-	u_int16_t val;
-{
-	int s;
-	s = splhigh();
-	bus_space_write_4(cp->lc_iot, cp->ioh_cf8, 0, RAVEN_REGOFFS(reg));
-	bus_space_write_2(cp->lc_iot, cp->ioh_cfc, 0, val);
-	splx(s);
-}
-
-void
-mpc_cfg_write_4(cp, reg, val)
-	struct pcibr_config *cp;
-	u_int32_t reg;
-	u_int32_t val;
-{
-
-	int s;
-	s = splhigh();
-	bus_space_write_4(cp->lc_iot, cp->ioh_cf8, 0, RAVEN_REGOFFS(reg));
-	bus_space_write_4(cp->lc_iot, cp->ioh_cfc, 0, val);
-	splx(s);
-}
-
-u_int8_t
-mpc_cfg_read_1(cp, reg)
-	struct pcibr_config *cp;
-	u_int32_t reg;
-{
-	u_int8_t _v_;
-
-	int s;
-	s = splhigh();
-	bus_space_write_4(cp->lc_iot, cp->ioh_cf8, 0, RAVEN_REGOFFS(reg));
-	_v_ = bus_space_read_1(cp->lc_iot, cp->ioh_cfc, 0);
-	splx(s);
-	return(_v_);
-}
-
-u_int16_t
-mpc_cfg_read_2(cp, reg)
-	struct pcibr_config *cp;
-	u_int32_t reg;
-{
-	u_int16_t _v_;
-
-	int s;
-	s = splhigh();
-	bus_space_write_4(cp->lc_iot, cp->ioh_cf8, 0, RAVEN_REGOFFS(reg));
-	_v_ = bus_space_read_2(cp->lc_iot, cp->ioh_cfc, 0);
-	splx(s);
-	return(_v_);
-}
-
-u_int32_t
-mpc_cfg_read_4(cp, reg)
-	struct pcibr_config *cp;
-	u_int32_t reg;
-{
-	u_int32_t _v_;
-
-	int s;
-	s = splhigh();
-	bus_space_write_4(cp->lc_iot, cp->ioh_cf8, 0, RAVEN_REGOFFS(reg));
-	_v_ = bus_space_read_4(cp->lc_iot, cp->ioh_cfc, 0);
-	splx(s);
-	return(_v_);
-}