Index: uspace/srv/hw/irc/obio/Makefile =================================================================== --- uspace/srv/hw/irc/obio/Makefile (revision 81685dd947bc65a804dc5adf2cf68f40b4aaa7fc) +++ (revision ) @@ -1,36 +1,0 @@ -# -# Copyright (c) 2005 Martin Decky -# Copyright (c) 2007 Jakub Jermar -# All rights reserved. -# -# Redistribution and use in source and binary forms, with or without -# modification, are permitted provided that the following conditions -# are met: -# -# - Redistributions of source code must retain the above copyright -# notice, this list of conditions and the following disclaimer. -# - 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. -# - 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. -# - -USPACE_PREFIX = ../../../.. -BINARY = obio - -SOURCES = \ - obio.c - -include $(USPACE_PREFIX)/Makefile.common Index: uspace/srv/hw/irc/obio/obio.c =================================================================== --- uspace/srv/hw/irc/obio/obio.c (revision 81685dd947bc65a804dc5adf2cf68f40b4aaa7fc) +++ (revision ) @@ -1,186 +1,0 @@ -/* - * Copyright (c) 2009 Jakub Jermar - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * - Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - 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. - * - 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. - */ - -/** @addtogroup obio - * @{ - */ - -/** - * @file obio.c - * @brief OBIO driver. - * - * OBIO is a short for on-board I/O. On UltraSPARC IIi and systems with U2P, - * there is a piece of the root PCI bus controller address space, which - * contains interrupt mapping and clear registers for all on-board devices. - * Although UltraSPARC IIi and U2P are different in general, these registers can - * be found at the same addresses. - */ - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#define NAME "obio" - -#define OBIO_SIZE 0x1898 - -#define OBIO_IMR_BASE 0x200 -#define OBIO_IMR(ino) (OBIO_IMR_BASE + ((ino) & INO_MASK)) - -#define OBIO_CIR_BASE 0x300 -#define OBIO_CIR(ino) (OBIO_CIR_BASE + ((ino) & INO_MASK)) - -#define INO_MASK 0x1f - -static uintptr_t base_phys; -static volatile uint64_t *base_virt = (volatile uint64_t *) AS_AREA_ANY; - -/** Handle one connection to obio. - * - * @param iid Hash of the request that opened the connection. - * @param icall Call data of the request that opened the connection. - * @param arg Local argument. - */ -static void obio_connection(ipc_callid_t iid, ipc_call_t *icall, void *arg) -{ - ipc_callid_t callid; - ipc_call_t call; - - /* - * Answer the first IPC_M_CONNECT_ME_TO call. - */ - async_answer_0(iid, EOK); - - while (1) { - int inr; - - callid = async_get_call(&call); - switch (IPC_GET_IMETHOD(call)) { - case IRC_ENABLE_INTERRUPT: - inr = IPC_GET_ARG1(call); - base_virt[OBIO_IMR(inr & INO_MASK)] |= (1UL << 31); - async_answer_0(callid, EOK); - break; - case IRC_DISABLE_INTERRUPT: - /* XXX TODO */ - async_answer_0(callid, EOK); - break; - case IRC_CLEAR_INTERRUPT: - inr = IPC_GET_ARG1(call); - base_virt[OBIO_CIR(inr & INO_MASK)] = 0; - async_answer_0(callid, EOK); - break; - default: - async_answer_0(callid, EINVAL); - break; - } - } -} - -/** Initialize the OBIO driver. - * - * In the future, the OBIO driver should be integrated with the sun4u platform driver. - */ -static bool obio_init(void) -{ - category_id_t irc_cat; - service_id_t svc_id; - int rc; - - base_phys = (uintptr_t) 0x1fe00000000ULL; - - int flags = AS_AREA_READ | AS_AREA_WRITE; - int retval = physmem_map(base_phys, - ALIGN_UP(OBIO_SIZE, PAGE_SIZE) >> PAGE_WIDTH, flags, - (void *) &base_virt); - - if (retval < 0) { - printf("%s: Error mapping OBIO registers\n", NAME); - return false; - } - - printf("%s: OBIO registers with base at 0x%" PRIun "\n", NAME, base_phys); - - async_set_fallback_port_handler(obio_connection, NULL); - - rc = loc_server_register(NAME); - if (rc != EOK) { - printf("%s: Failed registering server. (%d)\n", NAME, rc); - return false; - } - - rc = loc_service_register("irc/" NAME, &svc_id); - if (rc != EOK) { - printf("%s: Failed registering service. (%d)\n", NAME, rc); - return false; - } - - rc = loc_category_get_id("irc", &irc_cat, IPC_FLAG_BLOCKING); - if (rc != EOK) { - printf("%s: Failed resolving category 'iplink' (%d).\n", NAME, - rc); - return false; - } - - rc = loc_service_add_to_cat(svc_id, irc_cat); - if (rc != EOK) { - printf("%s: Failed adding service to category (%d).\n", NAME, - rc); - return false; - } - - return true; -} - -int main(int argc, char **argv) -{ - printf("%s: HelenOS OBIO driver\n", NAME); - - if (!obio_init()) - return -1; - - printf("%s: Accepting connections\n", NAME); - task_retval(0); - async_manager(); - - /* Never reached */ - return 0; -} - -/** - * @} - */