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[src/trunk]: src/sys/arch/alpha Add code to read the EISA configuration NVRAM...
details: https://anonhg.NetBSD.org/src/rev/e0651f3677ba
branches: trunk
changeset: 495495:e0651f3677ba
user: thorpej <thorpej%NetBSD.org@localhost>
date: Sat Jul 29 23:18:46 2000 +0000
description:
Add code to read the EISA configuration NVRAM as set up by
an EISA Configuration Utility. Code to access this data
is forthcoming.
XXX This could probably be made MI at some point.
diffstat:
sys/arch/alpha/conf/files.alpha | 4 +-
sys/arch/alpha/eisa/eisa_machdep.c | 546 ++++++++++++++++++++++++++++++++++
sys/arch/alpha/include/eisa_machdep.h | 11 +-
sys/arch/alpha/pci/sio.c | 9 +-
4 files changed, 565 insertions(+), 5 deletions(-)
diffs (truncated from 623 to 300 lines):
diff -r 5ecbf3b3992a -r e0651f3677ba sys/arch/alpha/conf/files.alpha
--- a/sys/arch/alpha/conf/files.alpha Sat Jul 29 21:50:20 2000 +0000
+++ b/sys/arch/alpha/conf/files.alpha Sat Jul 29 23:18:46 2000 +0000
@@ -1,4 +1,4 @@
-# $NetBSD: files.alpha,v 1.122 2000/07/12 20:20:54 thorpej Exp $
+# $NetBSD: files.alpha,v 1.123 2000/07/29 23:18:46 thorpej Exp $
#
# alpha-specific configuration info
@@ -244,6 +244,8 @@
include "dev/eisa/files.eisa"
+file arch/alpha/eisa/eisa_machdep.c eisa
+
device jensenio {[port = -1]}: eisabus, isabus, isadma_bounce
attach jensenio at mainbus
file arch/alpha/jensenio/jensenio.c jensenio
diff -r 5ecbf3b3992a -r e0651f3677ba sys/arch/alpha/eisa/eisa_machdep.c
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/sys/arch/alpha/eisa/eisa_machdep.c Sat Jul 29 23:18:46 2000 +0000
@@ -0,0 +1,546 @@
+/* $NetBSD: eisa_machdep.c,v 1.1 2000/07/29 23:18:47 thorpej Exp $ */
+
+/*-
+ * Copyright (c) 2000 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by Jason R. Thorpe.
+ *
+ * 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.
+ */
+
+#include <sys/cdefs.h>
+
+__KERNEL_RCSID(0, "$NetBSD: eisa_machdep.c,v 1.1 2000/07/29 23:18:47 thorpej Exp $");
+
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/device.h>
+#include <sys/malloc.h>
+#include <sys/queue.h>
+
+#include <machine/intr.h>
+#include <machine/rpb.h>
+
+#include <dev/eisa/eisareg.h>
+#include <dev/eisa/eisavar.h>
+
+#define EISA_SLOT_HEADER_SIZE 31
+#define EISA_SLOT_INFO_OFFSET 20
+
+#define EISA_FUNC_INFO_OFFSET 34
+#define EISA_CONFIG_BLOCK_SIZE 320
+
+#define ECUF_TYPE_STRING 0x01
+#define ECUF_MEM_ENTRY 0x02
+#define ECUF_IRQ_ENTRY 0x04
+#define ECUF_DMA_ENTRY 0x08
+#define ECUF_IO_ENTRY 0x10
+#define ECUF_INIT_ENTRY 0x20
+#define ECUF_DISABLED 0x80
+
+#define ECUF_SELECTIONS_SIZE 26
+#define ECUF_TYPE_STRING_SIZE 80
+#define ECUF_MEM_ENTRY_SIZE 7
+#define ECUF_IRQ_ENTRY_SIZE 2
+#define ECUF_DMA_ENTRY_SIZE 2
+#define ECUF_IO_ENTRY_SIZE 3
+#define ECUF_INIT_ENTRY_SIZE 60
+
+#define ECUF_MEM_ENTRY_CNT 9
+#define ECUF_IRQ_ENTRY_CNT 7
+#define ECUF_DMA_ENTRY_CNT 4
+#define ECUF_IO_ENTRY_CNT 20
+
+/*
+ * EISA configuration space, as set up by the ECU, may be sparse.
+ */
+bus_size_t eisa_config_stride;
+paddr_t eisa_config_addr; /* defaults to 0 */
+paddr_t eisa_config_header_addr;
+
+struct ecu_mem {
+ SIMPLEQ_ENTRY(ecu_mem) ecum_list;
+ bus_addr_t ecum_addr;
+ bus_size_t ecum_size;
+ int ecum_isram;
+ int ecum_decode;
+ int ecum_unitsize;
+};
+
+struct ecu_irq {
+ SIMPLEQ_ENTRY(ecu_irq) ecui_list;
+ int ecui_irq;
+ int ecui_ist;
+ int ecui_shared;
+};
+
+struct ecu_dma {
+ SIMPLEQ_ENTRY(ecu_dma) ecud_list;
+ int ecud_drq;
+ int ecud_shared;
+ int ecud_size;
+#define ECUD_SIZE_8BIT 0
+#define ECUD_SIZE_16BIT 1
+#define ECUD_SIZE_32BIT 2
+#define ECUD_SIZE_RESERVED 3
+ int ecud_timing;
+#define ECUD_TIMING_ISA 0
+#define ECUD_TIMING_TYPEA 1
+#define ECUD_TIMING_TYPEB 2
+#define ECUD_TIMING_TYPEC 3
+};
+
+struct ecu_io {
+ SIMPLEQ_ENTRY(ecu_io) ecuio_list;
+ bus_addr_t ecuio_addr;
+ bus_size_t ecuio_size;
+ int ecuio_shared;
+};
+
+struct ecu_func {
+ SIMPLEQ_ENTRY(ecu_func) ecuf_list;
+ int ecuf_funcno;
+ u_int32_t ecuf_id;
+ u_int16_t ecuf_slot_info;
+ u_int16_t ecuf_cfg_ext;
+ u_int8_t ecuf_selections[ECUF_SELECTIONS_SIZE];
+ u_int8_t ecuf_func_info;
+ u_int8_t ecuf_type_string[ECUF_TYPE_STRING_SIZE];
+ u_int8_t ecuf_init[ECUF_INIT_ENTRY_SIZE];
+ SIMPLEQ_HEAD(, ecu_mem) ecuf_mem;
+ SIMPLEQ_HEAD(, ecu_irq) ecuf_irq;
+ SIMPLEQ_HEAD(, ecu_dma) ecuf_dma;
+ SIMPLEQ_HEAD(, ecu_io) ecuf_io;
+};
+
+struct ecu_data {
+ SIMPLEQ_ENTRY(ecu_data) ecud_list;
+ int ecud_slot;
+ u_int8_t ecud_eisaid[EISA_IDSTRINGLEN];
+ u_int32_t ecud_offset;
+
+ /* General slot info. */
+ u_int8_t ecud_slot_info;
+ u_int16_t ecud_ecu_major_rev;
+ u_int16_t ecud_ecu_minor_rev;
+ u_int16_t ecud_cksum;
+ u_int16_t ecud_ndevfuncs;
+ u_int8_t ecud_funcinfo;
+ u_int32_t ecud_comp_id;
+
+ /* The functions */
+ SIMPLEQ_HEAD(, ecu_func) ecud_funcs;
+};
+
+SIMPLEQ_HEAD(, ecu_data) ecu_data_list =
+ SIMPLEQ_HEAD_INITIALIZER(ecu_data_list);
+
+static void
+ecuf_init(struct ecu_func *ecuf)
+{
+
+ memset(ecuf, 0, sizeof(*ecuf));
+ SIMPLEQ_INIT(&ecuf->ecuf_mem);
+ SIMPLEQ_INIT(&ecuf->ecuf_irq);
+ SIMPLEQ_INIT(&ecuf->ecuf_dma);
+ SIMPLEQ_INIT(&ecuf->ecuf_io);
+}
+
+static void
+eisa_parse_mem(struct ecu_func *ecuf, u_int8_t *dp)
+{
+ struct ecu_mem *ecum;
+ int i;
+
+ for (i = 0; i < ECUF_MEM_ENTRY_CNT; i++) {
+ ecum = malloc(sizeof(*ecum), M_DEVBUF, M_WAITOK);
+
+ ecum->ecum_isram = dp[0] & 0x1;
+ ecum->ecum_unitsize = dp[1] & 0x3;
+ ecum->ecum_decode = (dp[1] >> 2) & 0x3;
+ ecum->ecum_addr = (dp[2] | (dp[3] << 8) | (dp[4] << 16)) << 8;
+ ecum->ecum_size = (dp[5] | (dp[6] << 8)) << 10;
+ if (ecum->ecum_size == 0)
+ ecum->ecum_size = (1 << 26);
+ SIMPLEQ_INSERT_TAIL(&ecuf->ecuf_mem, ecum, ecum_list);
+
+#if 0
+ printf("MEM 0x%lx 0x%lx %d %d %d\n",
+ ecum->ecum_addr, ecum->ecum_size,
+ ecum->ecum_isram, ecum->ecum_unitsize,
+ ecum->ecum_decode);
+#endif
+
+ if ((dp[0] & 0x80) == 0)
+ break;
+ dp += ECUF_MEM_ENTRY_SIZE;
+ }
+}
+
+static void
+eisa_parse_irq(struct ecu_func *ecuf, u_int8_t *dp)
+{
+ struct ecu_irq *ecui;
+ int i;
+
+ for (i = 0; i < ECUF_IRQ_ENTRY_CNT; i++) {
+ ecui = malloc(sizeof(*ecui), M_DEVBUF, M_WAITOK);
+
+ ecui->ecui_irq = dp[0] & 0xf;
+ ecui->ecui_ist = (dp[0] & 0x20) ? IST_LEVEL : IST_EDGE;
+ ecui->ecui_shared = (dp[0] & 0x40) ? 1 : 0;
+ SIMPLEQ_INSERT_TAIL(&ecuf->ecuf_irq, ecui, ecui_list);
+
+#if 0
+ printf("IRQ %d %s%s\n", ecui->ecui_irq,
+ ecui->ecui_ist == IST_LEVEL ? "level" : "edge",
+ ecui->ecui_shared ? " shared" : "");
+#endif
+
+ if ((dp[0] & 0x80) == 0)
+ break;
+ dp += ECUF_IRQ_ENTRY_SIZE;
+ }
+}
+
+static void
+eisa_parse_dma(struct ecu_func *ecuf, u_int8_t *dp)
+{
+ struct ecu_dma *ecud;
+ int i;
+
+ for (i = 0; i < ECUF_DMA_ENTRY_CNT; i++) {
+ ecud = malloc(sizeof(*ecud), M_DEVBUF, M_WAITOK);
+
+ ecud->ecud_drq = dp[0] & 0x7;
+ ecud->ecud_shared = dp[0] & 0x40;
+ ecud->ecud_size = (dp[1] >> 2) & 0x3;
+ ecud->ecud_timing = (dp[1] >> 4) & 0x3;
+ SIMPLEQ_INSERT_TAIL(&ecuf->ecuf_dma, ecud, ecud_list);
+
+#if 0
+ printf("DRQ %d%s %d %d\n", ecud->ecud_drq,
+ ecud->ecud_shared ? " shared" : "",
+ ecud->ecud_size, ecud->ecud_timing);
+#endif
+
+ if ((dp[0] & 0x80) == 0)
+ break;
+ dp += ECUF_DMA_ENTRY_SIZE;
+ }
+}
+
+static void
+eisa_parse_io(struct ecu_func *ecuf, u_int8_t *dp)
+{
+ struct ecu_io *ecuio;
+ int i;
+
+ for (i = 0; i < ECUF_IO_ENTRY_CNT; i++) {
+ ecuio = malloc(sizeof(*ecuio), M_DEVBUF, M_WAITOK);
+
+ ecuio->ecuio_addr = dp[1] | (dp[2] << 8);
+ ecuio->ecuio_size = (dp[0] & 0x1f) + 1;
+ ecuio->ecuio_shared = (dp[0] & 0x40) ? 1 : 0;
+
+#if 0
+ printf("IO 0x%lx 0x%lx%s\n", ecuio->ecuio_addr,
+ ecuio->ecuio_size,
+ ecuio->ecuio_shared ? " shared" : "");
+#endif
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