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-rw-r--r--sys/arch/macppc/conf/GENERIC4
-rw-r--r--sys/arch/macppc/conf/files.macppc6
-rw-r--r--sys/arch/macppc/pci/ht.c380
3 files changed, 388 insertions, 2 deletions
diff --git a/sys/arch/macppc/conf/GENERIC b/sys/arch/macppc/conf/GENERIC
index 60a670fd979..7c5de78f830 100644
--- a/sys/arch/macppc/conf/GENERIC
+++ b/sys/arch/macppc/conf/GENERIC
@@ -1,4 +1,4 @@
-# $OpenBSD: GENERIC,v 1.89 2005/08/03 02:10:44 dlg Exp $g
+# $OpenBSD: GENERIC,v 1.90 2005/09/29 20:52:26 kettenis Exp $g
#
# For further information on compiling OpenBSD kernels, see the config(8)
# man page.
@@ -34,10 +34,12 @@ cpu* at mainbus0
mpcpcibr* at mainbus0 # MPC106 PCI Bridge.
memc* at mainbus0
pchb* at pci?
+ht* at mainbus0
#### PCI Bus devices.
pci* at mpcpcibr?
+pci* at ht?
ppb* at pci? # PCI-PCI bridges
pci* at ppb?
diff --git a/sys/arch/macppc/conf/files.macppc b/sys/arch/macppc/conf/files.macppc
index 993e8307068..6e12d48b85d 100644
--- a/sys/arch/macppc/conf/files.macppc
+++ b/sys/arch/macppc/conf/files.macppc
@@ -1,4 +1,4 @@
-# $OpenBSD: files.macppc,v 1.25 2005/05/04 02:24:17 drahn Exp $
+# $OpenBSD: files.macppc,v 1.26 2005/09/29 20:52:26 kettenis Exp $
#
# macppc-specific configuration info
@@ -73,6 +73,10 @@ attach mpcpcibr at mainbus
file arch/macppc/pci/mpcpcibus.c mpcpcibr
file arch/macppc/pci/pci_addr_fixup.c mpcpcibr
+device ht {} : pcibus
+attach ht at mainbus
+file arch/macppc/pci/ht.c ht
+
#
# "workstation console" routines
#
diff --git a/sys/arch/macppc/pci/ht.c b/sys/arch/macppc/pci/ht.c
new file mode 100644
index 00000000000..ec287ec676f
--- /dev/null
+++ b/sys/arch/macppc/pci/ht.c
@@ -0,0 +1,380 @@
+/* $OpenBSD: ht.c,v 1.1 2005/09/29 20:52:26 kettenis Exp $ */
+
+/*
+ * Copyright (c) 2005 Mark Kettenis
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/device.h>
+
+#include <machine/autoconf.h>
+#include <machine/bus.h>
+
+#include <dev/pci/pcireg.h>
+#include <dev/pci/pcivar.h>
+#include <dev/pci/pcidevs.h>
+
+#include <macppc/pci/pcibrvar.h>
+
+#include <dev/ofw/openfirm.h>
+
+int ht_match(struct device *, void *, void *);
+void ht_attach(struct device *, struct device *, void *);
+
+void ht_attach_hook(struct device *, struct device *,
+ struct pcibus_attach_args *);
+int ht_bus_maxdevs(void *, int);
+pcitag_t ht_make_tag(void *, int, int, int);
+void ht_decompose_tag(void *, pcitag_t, int *, int *, int *);
+pcireg_t ht_conf_read(void *, pcitag_t, int);
+void ht_conf_write(void *, pcitag_t, int, pcireg_t);
+int ht_intr_map(void *, pcitag_t, int, int, pci_intr_handle_t *);
+const char *ht_intr_string(void *, pci_intr_handle_t);
+int ht_intr_line(void *, pci_intr_handle_t);
+void *ht_intr_establish(void *, pci_intr_handle_t, int, int (*)(void *),
+ void *, char *);
+void ht_intr_disestablish(void *, void *);
+
+int ht_ether_hw_addr(struct ppc_pci_chipset *, u_int8_t *);
+
+int ht_print(void *, const char *);
+
+struct ht_softc {
+ struct device sc_dev;
+ struct ppc_bus_space sc_mem_bus_space;
+ struct ppc_bus_space sc_io_bus_space;
+ struct ppc_pci_chipset sc_pc;
+ bus_space_tag_t sc_memt;
+ bus_space_handle_t sc_config0_memh;
+ bus_space_handle_t sc_config1_memh;
+ bus_space_tag_t sc_iot;
+ bus_space_handle_t sc_config0_ioh;
+};
+
+struct cfattach ht_ca = {
+ sizeof(struct ht_softc), ht_match, ht_attach
+};
+
+struct cfdriver ht_cd = {
+ NULL, "ht", DV_DULL,
+};
+
+#if 0
+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
+};
+#else
+extern struct powerpc_bus_dma_tag pci_bus_dma_tag;
+#endif
+
+int
+ht_match(struct device *parent, void *cf, void *aux)
+{
+ struct confargs *ca = aux;
+
+ if (strcmp(ca->ca_name, "ht") == 0)
+ return (1);
+ return (0);
+}
+
+void
+ht_attach(struct device *parent, struct device *self, void *aux)
+{
+ struct ht_softc *sc = (struct ht_softc *)self;
+ struct confargs *ca = aux;
+ struct pcibus_attach_args pba;
+ u_int32_t regs[6];
+ char compat[32];
+ int node, nn;
+ int len;
+
+ if (ca->ca_node == 0) {
+ printf("invalid node on ht config\n");
+ return;
+ }
+
+ len = OF_getprop(ca->ca_node, "reg", regs, sizeof(regs));
+ if (len < sizeof(regs)) {
+ printf(": regs lookup failed, node %x\n", ca->ca_node);
+ return;
+ }
+
+ sc->sc_mem_bus_space.bus_base = 0x80000000;
+ sc->sc_mem_bus_space.bus_size = 0;
+ sc->sc_mem_bus_space.bus_io = 0;
+ sc->sc_memt = &sc->sc_mem_bus_space;
+
+ sc->sc_io_bus_space.bus_base = 0x80000000;
+ sc->sc_io_bus_space.bus_size = 0;
+ sc->sc_io_bus_space.bus_io = 1;
+ sc->sc_iot = &sc->sc_io_bus_space;
+
+ if (bus_space_map(sc->sc_memt, regs[1], 0x2000, 0,
+ &sc->sc_config0_memh)) {
+ printf(": can't map PCI config0 memory\n");
+ return;
+ }
+
+ if (bus_space_map(sc->sc_memt, regs[1] + 0x01000000, 0x80000, 0,
+ &sc->sc_config1_memh)) {
+ printf(": can't map PCI config1 memory\n");
+ return;
+ }
+
+ if (bus_space_map(sc->sc_iot, regs[4], 0x1000, 0,
+ &sc->sc_config0_ioh)) {
+ printf(": can't map PCI config0 io\n");
+ return;
+ }
+
+ len = OF_getprop(ca->ca_node, "compatible", compat, sizeof(compat));
+ if (len <= 0)
+ printf(": unknown");
+ else
+ printf(": %s", compat);
+
+ sc->sc_pc.pc_conf_v = sc;
+ sc->sc_pc.pc_attach_hook = ht_attach_hook;
+ sc->sc_pc.pc_bus_maxdevs = ht_bus_maxdevs;
+ sc->sc_pc.pc_make_tag = ht_make_tag;
+ sc->sc_pc.pc_decompose_tag = ht_decompose_tag;
+ sc->sc_pc.pc_conf_read = ht_conf_read;
+ sc->sc_pc.pc_conf_write = ht_conf_write;
+
+ sc->sc_pc.pc_intr_v = sc;
+ sc->sc_pc.pc_intr_map = ht_intr_map;
+ sc->sc_pc.pc_intr_string = ht_intr_string;
+ sc->sc_pc.pc_intr_line = ht_intr_line;
+ sc->sc_pc.pc_intr_establish = ht_intr_establish;
+ sc->sc_pc.pc_intr_disestablish = ht_intr_disestablish;
+ sc->sc_pc.pc_ether_hw_addr = ht_ether_hw_addr;
+
+ pba.pba_busname = "pci";
+ pba.pba_iot = sc->sc_iot;
+ pba.pba_memt = sc->sc_memt;
+ pba.pba_dmat = &pci_bus_dma_tag;
+ pba.pba_pc = &sc->sc_pc;
+ pba.pba_bus = 0;
+
+ extern void fix_node_irq(int, struct pcibus_attach_args *);
+
+ for (node = OF_child(ca->ca_node); node; node = nn) {
+ fix_node_irq(node, &pba);
+
+ if ((nn = OF_child(node)) != 0)
+ continue;
+
+ while ((nn = OF_peer(node)) == 0) {
+ node = OF_parent(node);
+ if (node == ca->ca_node) {
+ nn = 0;
+ break;
+ }
+ }
+ }
+
+ config_found(self, &pba, ht_print);
+}
+
+void
+ht_attach_hook(struct device *parent, struct device *self,
+ struct pcibus_attach_args *pba)
+{
+}
+
+int
+ht_bus_maxdevs(void *cpv, int busno)
+{
+ /* XXX Probing more busses doesn't work. */
+ if (busno == 0)
+ return 4;
+ return 32;
+}
+
+#define BUS_SHIFT 16
+#define DEVICE_SHIFT 11
+#define FNC_SHIFT 8
+
+pcitag_t
+ht_make_tag(void *cpv, int bus, int dev, int fnc)
+{
+ return (bus << BUS_SHIFT) | (dev << DEVICE_SHIFT) | (fnc << FNC_SHIFT);
+}
+
+void
+ht_decompose_tag(void *cpv, pcitag_t tag, int *busp, int *devp, int *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;
+}
+
+pcireg_t
+ht_conf_read(void *cpv, pcitag_t tag, int offset)
+{
+ struct ht_softc *sc = cpv;
+ int bus, dev, fcn;
+ pcireg_t reg;
+
+#ifdef DEBUG
+ printf("ht_conf_read: tag=%x, offset=%x\n", tag, offset);
+#endif
+ ht_decompose_tag(NULL, tag, &bus, &dev, &fcn);
+ if (bus == 0 && dev == 0) {
+ tag |= (offset << 2);
+ reg = bus_space_read_4(sc->sc_iot, sc->sc_config0_ioh, tag);
+ reg = letoh32(reg);
+ } else if (bus == 0) {
+ if (tag >= 0x2000)
+ panic("tag >= 0x2000");
+ /* XXX Needed on some PowerMac G5's. Why? */
+ if (fcn > 0)
+ return ~0;
+ tag |= offset;
+ reg = bus_space_read_4(sc->sc_memt, sc->sc_config0_memh, tag);
+ } else {
+ tag |= offset;
+ reg = bus_space_read_4(sc->sc_memt, sc->sc_config1_memh, tag);
+ }
+#ifdef DEBUG
+ printf("ht_conf_read: reg=%x\n", reg);
+#endif
+ return reg;
+}
+
+void
+ht_conf_write(void *cpv, pcitag_t tag, int offset, pcireg_t data)
+{
+ struct ht_softc *sc = cpv;
+ int bus, dev;
+
+#ifdef DEBUG
+ printf("ht_conf_write: tag=%x, offset=%x, data = %x\n",
+ tag, offset, data);
+#endif
+ ht_decompose_tag(NULL, tag, &bus, &dev, NULL);
+ if (bus == 0 && dev == 0) {
+ tag |= (offset << 2);
+ data = htole32(data);
+ bus_space_write_4(sc->sc_iot, sc->sc_config0_ioh, tag, data);
+ bus_space_read_4(sc->sc_iot, sc->sc_config0_ioh, tag);
+ } else if (bus == 0) {
+ tag |= offset;
+ bus_space_write_4(sc->sc_memt, sc->sc_config0_memh, tag, data);
+ bus_space_read_4(sc->sc_memt, sc->sc_config0_memh, tag);
+ } else {
+ tag |= offset;
+ bus_space_write_4(sc->sc_memt, sc->sc_config1_memh, tag, data);
+ bus_space_read_4(sc->sc_memt, sc->sc_config1_memh, tag);
+ }
+}
+
+int
+ht_intr_map(void *cpv, pcitag_t bustag, int buspin, int line,
+ pci_intr_handle_t *ihp)
+{
+ int error = 0;
+
+#ifdef DEBUG
+ printf("ht_intr_map: buspin = %d, line = %d\n", buspin, line);
+#endif
+
+ *ihp = -1;
+ if (buspin == 0)
+ error = 1; /* No IRQ used. */
+ else if (buspin > 4) {
+ printf("ht_intr_map: bad interrupt pin %d\n", buspin);
+ error = 1;
+ }
+
+ if (!error)
+ *ihp = line;
+ return error;
+}
+
+const char *
+ht_intr_string(void *cpv, pci_intr_handle_t ih)
+{
+ static char str[16];
+
+ snprintf(str, sizeof str, "irq %ld", ih);
+ return (str);
+}
+
+int
+ht_intr_line(void *cpv, pci_intr_handle_t ih)
+{
+ return (ih);
+}
+
+void *
+ht_intr_establish(void *cpv, pci_intr_handle_t ih, int level,
+ int (*func)(void *), void *arg, char *name)
+{
+ return (*intr_establish_func)(cpv, ih, IST_LEVEL, level, func, arg,
+ name);
+}
+
+void
+ht_intr_disestablish(void *lcv, void *cookie)
+{
+}
+
+int
+ht_ether_hw_addr(struct ppc_pci_chipset *lcpc, u_int8_t *oaddr)
+{
+ u_int8_t laddr[6];
+ int node;
+ int len;
+
+ node = OF_finddevice("enet");
+ len = OF_getprop(node, "local-mac-address", laddr, sizeof(laddr));
+ if (sizeof(laddr) == len) {
+ memcpy(oaddr, laddr, sizeof(laddr));
+ return 1;
+ }
+
+ oaddr[0] = oaddr[1] = oaddr[2] = 0xff;
+ oaddr[3] = oaddr[4] = oaddr[5] = 0xff;
+ return 0;
+}
+
+int
+ht_print(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);
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-24 11:26:47 +0000