[src/trunk]: src/sys/arch/powerpc Changes/additions to support evbppc.

To: source-changes-hg%NetBSD.org@localhost
Subject: [src/trunk]: src/sys/arch/powerpc Changes/additions to support evbppc.
From: scw <scw%NetBSD.org@localhost>
Date: Fri, 24 Jan 2020 12:22:36 +0000
details:   https://anonhg.NetBSD.org/src/rev/f253f723c94b
branches:  trunk
changeset: 540292:f253f723c94b
user:      scw <scw%NetBSD.org@localhost>
date:      Mon Dec 09 12:28:12 2002 +0000

description:
Changes/additions to support evbppc.

diffstat:

 sys/arch/powerpc/ibm4xx/dev/ibm405gp.c |   139 ++++
 sys/arch/powerpc/include/ibm4xx/bus.h  |  1038 ++++++++++++++++++++++++++++++++
 sys/arch/powerpc/include/pte.h         |     4 +-
 3 files changed, 1180 insertions(+), 1 deletions(-)

diffs (truncated from 1201 to 300 lines):

diff -r 4bab910e66e6 -r f253f723c94b sys/arch/powerpc/ibm4xx/dev/ibm405gp.c
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/sys/arch/powerpc/ibm4xx/dev/ibm405gp.c    Mon Dec 09 12:28:12 2002 +0000
@@ -0,0 +1,139 @@
+/*     $NetBSD: ibm405gp.c,v 1.1 2002/12/09 12:28:12 scw Exp $ */
+
+/*
+ * Copyright 2001 Wasabi Systems, Inc.
+ * All rights reserved.
+ *
+ * Written by Eduardo Horvath and Simon Burge for Wasabi Systems, Inc.
+ *
+ * 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 for the NetBSD Project by
+ *      Wasabi Systems, Inc.
+ * 4. The name of Wasabi Systems, Inc. may not be used to endorse
+ *    or promote products derived from this software without specific prior
+ *    written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``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 WASABI SYSTEMS, INC
+ * 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.
+ */
+
+#include <sys/param.h>
+#include <sys/device.h>
+#include <sys/systm.h>
+
+#include <machine/bus.h>
+#include <dev/pci/pcivar.h>
+
+#include <powerpc/ibm4xx/ibm405gp.h>
+#include <powerpc/ibm4xx/dev/pcicreg.h>
+
+static bus_space_tag_t pcicfg_iot = ibm4xx_make_bus_space_tag(0, 0);
+static bus_space_handle_t pcicfg_ioh = 0;
+
+#define PCI0_MEM_BASE  0x80000000
+
+static void setup_pcicfg_window(void)
+{
+       if (pcicfg_ioh)
+               return;
+       if (bus_space_map(pcicfg_iot, IBM405GP_PCIL0_BASE, 0x40 , 0, &pcicfg_ioh))
+               panic("Cannot map PCI configuration registers");
+}
+
+/*
+ * Setup proper Local<->PCI mapping
+ * PCI memory window: 256M @ PCI0MEMBASE with direct memory translation
+ */
+void ibm4xx_setup_pci(void)
+{
+       pcitag_t tag;
+
+       setup_pcicfg_window();
+
+       /* Disable all three memory mappers */
+       bus_space_write_4(pcicfg_iot, pcicfg_ioh, PCIL_PMM0MA, 0x00000000); /* disabled */
+       bus_space_write_4(pcicfg_iot, pcicfg_ioh, PCIL_PMM1MA, 0x00000000); /* disabled */
+       bus_space_write_4(pcicfg_iot, pcicfg_ioh, PCIL_PMM2MA, 0x00000000); /* disabled */
+       bus_space_write_4(pcicfg_iot, pcicfg_ioh, PCIL_PTM1MS, 0x00000000); /* Can't really disable PTM1. */
+       bus_space_write_4(pcicfg_iot, pcicfg_ioh, PCIL_PTM2MS, 0x00000000); /* disabled */
+
+
+       /* Setup memory map #0 */
+       bus_space_write_4(pcicfg_iot, pcicfg_ioh, PCIL_PMM0MA, 0xF0000001); /* 256M non-prefetchable, enabled */
+
+       bus_space_write_4(pcicfg_iot, pcicfg_ioh, PCIL_PMM0LA, PCI0_MEM_BASE);
+       bus_space_write_4(pcicfg_iot, pcicfg_ioh, PCIL_PMM0PCILA, PCI0_MEM_BASE);
+       bus_space_write_4(pcicfg_iot, pcicfg_ioh, PCIL_PMM0PCIHA, 0);
+
+       /* Configure PCI bridge */
+       tag = pci_make_tag(0, 0, 0, 0);
+       // x = pci_conf_read(0, tag, PCI0_CMD);         /* Read PCI command register */
+       // pci_conf_write(0, tag, PCI0_CMD, x | MA | ME);       /* enable bus mastering and memory space */
+  
+       bus_space_write_4(pcicfg_iot, pcicfg_ioh, PCIL_PTM1MS, 0xF0000001);     /* Enable PTM1 */
+       bus_space_write_4(pcicfg_iot, pcicfg_ioh, PCIL_PTM1LA, 0);
+       pci_conf_write(0, tag, PCIC_PTM1BAR, 0);        /* Set up proper PCI->Local address base.  Always enabled */
+       pci_conf_write(0, tag, PCIC_PTM2BAR, 0);
+}
+
+void ibm4xx_show_pci_map(void)
+{
+       paddr_t la, lm, pl, ph;
+       pcitag_t tag;
+
+       setup_pcicfg_window();
+
+       printf("Local -> PCI map\n");
+       la = bus_space_read_4(pcicfg_iot, pcicfg_ioh, PCIL_PMM0LA);
+       lm = bus_space_read_4(pcicfg_iot, pcicfg_ioh, PCIL_PMM0MA);
+       pl = bus_space_read_4(pcicfg_iot, pcicfg_ioh, PCIL_PMM0PCILA);
+       ph = bus_space_read_4(pcicfg_iot, pcicfg_ioh, PCIL_PMM0PCIHA);
+       printf("0: %08lx,%08lx -> %08lx%08lx %sprefetchable, %s\n", la, lm, ph, pl,
+           (lm & 2) ? "":"not ",
+           (lm & 1) ? "enabled":"disabled");
+       la = bus_space_read_4(pcicfg_iot, pcicfg_ioh, PCIL_PMM1LA);
+       lm = bus_space_read_4(pcicfg_iot, pcicfg_ioh, PCIL_PMM1MA);
+       pl = bus_space_read_4(pcicfg_iot, pcicfg_ioh, PCIL_PMM1PCILA);
+       ph = bus_space_read_4(pcicfg_iot, pcicfg_ioh, PCIL_PMM1PCIHA);
+       printf("1: %08lx,%08lx -> %08lx%08lx %sprefetchable, %s\n", la, lm, ph, pl,
+           (lm & 2) ? "":"not ",
+           (lm & 1) ? "enabled":"disabled");
+       la = bus_space_read_4(pcicfg_iot, pcicfg_ioh, PCIL_PMM2LA);
+       lm = bus_space_read_4(pcicfg_iot, pcicfg_ioh, PCIL_PMM2MA);
+       pl = bus_space_read_4(pcicfg_iot, pcicfg_ioh, PCIL_PMM2PCILA);
+       ph = bus_space_read_4(pcicfg_iot, pcicfg_ioh, PCIL_PMM2PCIHA);
+       printf("2: %08lx,%08lx -> %08lx%08lx %sprefetchable, %s\n", la, lm, ph, pl,
+           (lm & 2) ? "":"not ",
+           (lm & 1) ? "enabled":"disabled");
+       printf("PCI -> Local map\n");
+
+       tag = pci_make_tag(0, 0, 0, 0);
+       pl = pci_conf_read(0, tag, PCIC_PTM1BAR);
+       la = bus_space_read_4(pcicfg_iot, pcicfg_ioh, PCIL_PTM1LA);
+       lm = bus_space_read_4(pcicfg_iot, pcicfg_ioh, PCIL_PTM1MS);
+       printf("1: %08lx -> %08lx,%08lx %s\n", pl, la, lm,
+           (lm & 1)?"enabled":"disabled");
+       pl = pci_conf_read(0, tag, PCIC_PTM2BAR);
+       la = bus_space_read_4(pcicfg_iot, pcicfg_ioh, PCIL_PTM2LA);
+       lm = bus_space_read_4(pcicfg_iot, pcicfg_ioh, PCIL_PTM2MS);
+       printf("2: %08lx -> %08lx,%08lx %s\n", pl, la, lm,
+           (lm & 1)?"enabled":"disabled");
+}
diff -r 4bab910e66e6 -r f253f723c94b sys/arch/powerpc/include/ibm4xx/bus.h
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/sys/arch/powerpc/include/ibm4xx/bus.h     Mon Dec 09 12:28:12 2002 +0000
@@ -0,0 +1,1038 @@
+/*     $NetBSD: bus.h,v 1.1 2002/12/09 12:28:13 scw Exp $      */
+
+/*-
+ * Copyright (c) 1996, 1997, 1998 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
+ * NASA Ames Research Center.
+ *
+ * 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 by the NetBSD
+ *     Foundation, Inc. and its contributors.
+ * 4. Neither the name of The NetBSD Foundation nor the names of its
+ *    contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+ * ``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 FOUNDATION OR CONTRIBUTORS
+ * 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.
+ */
+
+/*
+ * Copyright (c) 1996 Charles M. Hannum.  All rights reserved.
+ * Copyright (c) 1996 Christopher G. Demetriou.  All rights reserved.
+ *
+ * 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 by Christopher G. Demetriou
+ *     for the NetBSD Project.
+ * 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.
+ */
+
+#ifndef _IBM4XX_BUS_H_
+#define _IBM4XX_BUS_H_
+
+#include <machine/pio.h>
+
+/*
+ * Values for the ibm4xx bus space tag, not to be used directly by MI code.
+ */
+
+#define __BUS_SPACE_HAS_STREAM_METHODS
+
+#define IBM4XX_BUS_ADDR_MASK   0xfffff000
+#define IBM4XX_BUS_STRIDE_MASK 0x0000000f
+
+#define ibm4xx_make_bus_space_tag(addr, stride) \
+       (((addr) & IBM4XX_BUS_ADDR_MASK) | (stride))
+/* Mw may need to use tag as an offset to convert between bus-side and local addresses */
+#define __BA(t, h, o) ((void *)((h) + ((o) << ((t) & IBM4XX_BUS_STRIDE_MASK))))
+
+
+/*
+ * Bus address and size types
+ */
+typedef u_int32_t bus_addr_t;
+typedef u_int32_t bus_size_t;
+
+/*
+ * Access methods for bus resources and address space.
+ */
+typedef u_int32_t bus_space_tag_t;
+typedef u_int32_t bus_space_handle_t;
+
+/*
+ *     int bus_space_map(bus_space_tag_t t, bus_addr_t addr,
+ *         bus_size_t size, int flags, bus_space_handle_t *bshp);
+ *
+ * Map a region of bus space.
+ */
+
+#define BUS_SPACE_MAP_CACHEABLE                0x01
+#define BUS_SPACE_MAP_LINEAR           0x02
+#define BUS_SPACE_MAP_PREFETCHABLE     0x04
+
+static __inline int bus_space_map(bus_space_tag_t, bus_addr_t,
+    bus_size_t, int, bus_space_handle_t *);
+static __inline paddr_t bus_space_mmap(bus_space_tag_t, bus_addr_t,
+    off_t, int, int);
+static __inline void bus_space_read_region_1(bus_space_tag_t,
+    bus_space_handle_t, bus_size_t, u_int8_t *, size_t);
+static __inline void bus_space_read_region_2(bus_space_tag_t,
+    bus_space_handle_t, bus_size_t, u_int16_t *, size_t);
+static __inline void bus_space_read_region_4(bus_space_tag_t,
+    bus_space_handle_t, bus_size_t, u_int32_t *, size_t);
+static __inline void bus_space_read_region_stream_2(bus_space_tag_t,
+    bus_space_handle_t, bus_size_t, u_int16_t *, size_t);
+static __inline void bus_space_read_region_stream_4(bus_space_tag_t,
+    bus_space_handle_t, bus_size_t, u_int32_t *, size_t);
+static __inline void bus_space_write_region_1(bus_space_tag_t,
+    bus_space_handle_t, bus_size_t, const u_int8_t *, size_t);
+static __inline void bus_space_write_region_2(bus_space_tag_t,
+    bus_space_handle_t, bus_size_t, const u_int16_t *, size_t);
+static __inline void bus_space_write_region_4(bus_space_tag_t,
+    bus_space_handle_t, bus_size_t, const u_int32_t *, size_t);
+static __inline void bus_space_write_region_stream_2(bus_space_tag_t,
+    bus_space_handle_t, bus_size_t, const u_int16_t *, size_t);
+static __inline void bus_space_write_region_stream_4(bus_space_tag_t,
+    bus_space_handle_t, bus_size_t, const u_int32_t *, size_t);
+static __inline void bus_space_set_multi_1(bus_space_tag_t,
+    bus_space_handle_t, bus_size_t, u_int8_t, size_t);
+static __inline void bus_space_set_multi_2(bus_space_tag_t,
+    bus_space_handle_t, bus_size_t, u_int16_t, size_t);
+static __inline void bus_space_set_multi_4(bus_space_tag_t,
+    bus_space_handle_t, bus_size_t, u_int32_t, size_t);
+static __inline void bus_space_set_multi_stream_2(bus_space_tag_t,
+    bus_space_handle_t, bus_size_t, u_int16_t, size_t);
+static __inline void bus_space_set_multi_stream_4(bus_space_tag_t,
+    bus_space_handle_t, bus_size_t, u_int32_t, size_t);
+static __inline void bus_space_set_region_1(bus_space_tag_t,
+    bus_space_handle_t, bus_size_t, u_int8_t, size_t);
+static __inline void bus_space_set_region_2(bus_space_tag_t,
+    bus_space_handle_t, bus_size_t, u_int16_t, size_t);
+static __inline void bus_space_set_region_4(bus_space_tag_t,
+    bus_space_handle_t, bus_size_t, u_int32_t, size_t);
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