0,0 → 1,167 |
/* |
* Copyright (c) 2005 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 sparc64 |
* @{ |
*/ |
/** @file |
*/ |
|
#include <arch/console.h> |
#include <arch/types.h> |
|
#include <arch/drivers/scr.h> |
#include <arch/drivers/kbd.h> |
|
#ifdef CONFIG_Z8530 |
#include <genarch/kbd/z8530.h> |
#endif |
#ifdef CONFIG_NS16550 |
#include <genarch/kbd/ns16550.h> |
#endif |
|
#include <console/chardev.h> |
#include <console/console.h> |
#include <arch/asm.h> |
#include <arch/register.h> |
#include <proc/thread.h> |
#include <arch/mm/tlb.h> |
#include <genarch/ofw/ofw_tree.h> |
#include <arch.h> |
#include <panic.h> |
#include <print.h> |
|
#define KEYBOARD_POLL_PAUSE 50000 /* 50ms */ |
|
/** Initialize kernel console to use framebuffer and keyboard directly. */ |
void standalone_sparc64_console_init(void) |
{ |
stdin = NULL; |
|
ofw_tree_node_t *aliases; |
ofw_tree_property_t *prop; |
ofw_tree_node_t *screen; |
ofw_tree_node_t *keyboard; |
|
aliases = ofw_tree_lookup("/aliases"); |
if (!aliases) |
panic("Can't find /aliases.\n"); |
|
prop = ofw_tree_getprop(aliases, "screen"); |
if (!prop) |
panic("Can't find property \"screen\".\n"); |
if (!prop->value) |
panic("Can't find screen alias.\n"); |
screen = ofw_tree_lookup(prop->value); |
if (!screen) |
panic("Can't find %s\n", prop->value); |
|
scr_init(screen); |
|
prop = ofw_tree_getprop(aliases, "keyboard"); |
if (!prop) |
panic("Can't find property \"keyboard\".\n"); |
if (!prop->value) |
panic("Can't find keyboard alias.\n"); |
keyboard = ofw_tree_lookup(prop->value); |
if (!keyboard) |
panic("Can't find %s\n", prop->value); |
|
kbd_init(keyboard); |
} |
|
/** Kernel thread for polling keyboard. |
* |
* @param arg Ignored. |
*/ |
void kkbdpoll(void *arg) |
{ |
thread_detach(THREAD); |
|
#ifdef CONFIG_Z8530 |
if (kbd_type == KBD_Z8530) { |
/* |
* The z8530 driver is interrupt-driven. |
*/ |
return; |
} |
#endif |
|
while (1) { |
#ifdef CONFIG_NS16550 |
if (kbd_type == KBD_NS16550) |
ns16550_poll(); |
#endif |
thread_usleep(KEYBOARD_POLL_PAUSE); |
} |
} |
|
/** Acquire console back for kernel |
* |
*/ |
void arch_grab_console(void) |
{ |
switch (kbd_type) { |
#ifdef CONFIG_Z8530 |
case KBD_Z8530: |
z8530_grab(); |
break; |
#endif |
#ifdef CONFIG_NS16550 |
case KBD_NS16550: |
ns16550_grab(); |
break; |
#endif |
default: |
break; |
} |
} |
|
/** Return console to userspace |
* |
*/ |
void arch_release_console(void) |
{ |
switch (kbd_type) { |
#ifdef CONFIG_Z8530 |
case KBD_Z8530: |
z8530_release(); |
break; |
#endif |
#ifdef CONFIG_NS16550 |
case KBD_NS16550: |
ns16550_release(); |
break; |
#endif |
default: |
break; |
} |
} |
|
/** @} |
*/ |