[POWERPC] celleb: Move miscellaneous files for Beat
This moves miscellaneous files for Beat into platforms/cell/. All files in this patch are used by celleb-beat only. Signed-off-by: Kou Ishizaki <kou.ishizaki@toshiba.co.jp> Acked-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Paul Mackerras <paulus@samba.org>
This commit is contained in:
Ishizaki Kou
committed by
Paul Mackerras
Paul Mackerras
parent
c11dde85b6
commit
ad2c698797
264
arch/powerpc/platforms/cell/beat.c
Normal file
264
arch/powerpc/platforms/cell/beat.c
Normal file
@@ -0,0 +1,264 @@
|
||||
/*
|
||||
* Simple routines for Celleb/Beat
|
||||
*
|
||||
* (C) Copyright 2006-2007 TOSHIBA CORPORATION
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License as published by
|
||||
* the Free Software Foundation; either version 2 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License along
|
||||
* with this program; if not, write to the Free Software Foundation, Inc.,
|
||||
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
|
||||
*/
|
||||
|
||||
#include <linux/module.h>
|
||||
#include <linux/init.h>
|
||||
#include <linux/err.h>
|
||||
#include <linux/rtc.h>
|
||||
#include <linux/interrupt.h>
|
||||
#include <linux/irqreturn.h>
|
||||
#include <linux/reboot.h>
|
||||
|
||||
#include <asm/hvconsole.h>
|
||||
#include <asm/time.h>
|
||||
#include <asm/machdep.h>
|
||||
#include <asm/firmware.h>
|
||||
|
||||
#include "beat_wrapper.h"
|
||||
#include "beat.h"
|
||||
#include "beat_interrupt.h"
|
||||
|
||||
static int beat_pm_poweroff_flag;
|
||||
|
||||
void beat_restart(char *cmd)
|
||||
{
|
||||
beat_shutdown_logical_partition(!beat_pm_poweroff_flag);
|
||||
}
|
||||
|
||||
void beat_power_off(void)
|
||||
{
|
||||
beat_shutdown_logical_partition(0);
|
||||
}
|
||||
|
||||
u64 beat_halt_code = 0x1000000000000000UL;
|
||||
EXPORT_SYMBOL(beat_halt_code);
|
||||
|
||||
void beat_halt(void)
|
||||
{
|
||||
beat_shutdown_logical_partition(beat_halt_code);
|
||||
}
|
||||
|
||||
int beat_set_rtc_time(struct rtc_time *rtc_time)
|
||||
{
|
||||
u64 tim;
|
||||
tim = mktime(rtc_time->tm_year+1900,
|
||||
rtc_time->tm_mon+1, rtc_time->tm_mday,
|
||||
rtc_time->tm_hour, rtc_time->tm_min, rtc_time->tm_sec);
|
||||
if (beat_rtc_write(tim))
|
||||
return -1;
|
||||
return 0;
|
||||
}
|
||||
|
||||
void beat_get_rtc_time(struct rtc_time *rtc_time)
|
||||
{
|
||||
u64 tim;
|
||||
|
||||
if (beat_rtc_read(&tim))
|
||||
tim = 0;
|
||||
to_tm(tim, rtc_time);
|
||||
rtc_time->tm_year -= 1900;
|
||||
rtc_time->tm_mon -= 1;
|
||||
}
|
||||
|
||||
#define BEAT_NVRAM_SIZE 4096
|
||||
|
||||
ssize_t beat_nvram_read(char *buf, size_t count, loff_t *index)
|
||||
{
|
||||
unsigned int i;
|
||||
unsigned long len;
|
||||
char *p = buf;
|
||||
|
||||
if (*index >= BEAT_NVRAM_SIZE)
|
||||
return -ENODEV;
|
||||
i = *index;
|
||||
if (i + count > BEAT_NVRAM_SIZE)
|
||||
count = BEAT_NVRAM_SIZE - i;
|
||||
|
||||
for (; count != 0; count -= len) {
|
||||
len = count;
|
||||
if (len > BEAT_NVRW_CNT)
|
||||
len = BEAT_NVRW_CNT;
|
||||
if (beat_eeprom_read(i, len, p))
|
||||
return -EIO;
|
||||
|
||||
p += len;
|
||||
i += len;
|
||||
}
|
||||
*index = i;
|
||||
return p - buf;
|
||||
}
|
||||
|
||||
ssize_t beat_nvram_write(char *buf, size_t count, loff_t *index)
|
||||
{
|
||||
unsigned int i;
|
||||
unsigned long len;
|
||||
char *p = buf;
|
||||
|
||||
if (*index >= BEAT_NVRAM_SIZE)
|
||||
return -ENODEV;
|
||||
i = *index;
|
||||
if (i + count > BEAT_NVRAM_SIZE)
|
||||
count = BEAT_NVRAM_SIZE - i;
|
||||
|
||||
for (; count != 0; count -= len) {
|
||||
len = count;
|
||||
if (len > BEAT_NVRW_CNT)
|
||||
len = BEAT_NVRW_CNT;
|
||||
if (beat_eeprom_write(i, len, p))
|
||||
return -EIO;
|
||||
|
||||
p += len;
|
||||
i += len;
|
||||
}
|
||||
*index = i;
|
||||
return p - buf;
|
||||
}
|
||||
|
||||
ssize_t beat_nvram_get_size(void)
|
||||
{
|
||||
return BEAT_NVRAM_SIZE;
|
||||
}
|
||||
|
||||
int beat_set_xdabr(unsigned long dabr)
|
||||
{
|
||||
if (beat_set_dabr(dabr, DABRX_KERNEL | DABRX_USER))
|
||||
return -1;
|
||||
return 0;
|
||||
}
|
||||
|
||||
int64_t beat_get_term_char(u64 vterm, u64 *len, u64 *t1, u64 *t2)
|
||||
{
|
||||
u64 db[2];
|
||||
s64 ret;
|
||||
|
||||
ret = beat_get_characters_from_console(vterm, len, (u8 *)db);
|
||||
if (ret == 0) {
|
||||
*t1 = db[0];
|
||||
*t2 = db[1];
|
||||
}
|
||||
return ret;
|
||||
}
|
||||
EXPORT_SYMBOL(beat_get_term_char);
|
||||
|
||||
int64_t beat_put_term_char(u64 vterm, u64 len, u64 t1, u64 t2)
|
||||
{
|
||||
u64 db[2];
|
||||
|
||||
db[0] = t1;
|
||||
db[1] = t2;
|
||||
return beat_put_characters_to_console(vterm, len, (u8 *)db);
|
||||
}
|
||||
EXPORT_SYMBOL(beat_put_term_char);
|
||||
|
||||
void beat_power_save(void)
|
||||
{
|
||||
beat_pause(0);
|
||||
}
|
||||
|
||||
#ifdef CONFIG_KEXEC
|
||||
void beat_kexec_cpu_down(int crash, int secondary)
|
||||
{
|
||||
beatic_deinit_IRQ();
|
||||
}
|
||||
#endif
|
||||
|
||||
static irqreturn_t beat_power_event(int virq, void *arg)
|
||||
{
|
||||
printk(KERN_DEBUG "Beat: power button pressed\n");
|
||||
beat_pm_poweroff_flag = 1;
|
||||
ctrl_alt_del();
|
||||
return IRQ_HANDLED;
|
||||
}
|
||||
|
||||
static irqreturn_t beat_reset_event(int virq, void *arg)
|
||||
{
|
||||
printk(KERN_DEBUG "Beat: reset button pressed\n");
|
||||
beat_pm_poweroff_flag = 0;
|
||||
ctrl_alt_del();
|
||||
return IRQ_HANDLED;
|
||||
}
|
||||
|
||||
static struct beat_event_list {
|
||||
const char *typecode;
|
||||
irq_handler_t handler;
|
||||
unsigned int virq;
|
||||
} beat_event_list[] = {
|
||||
{ "power", beat_power_event, 0 },
|
||||
{ "reset", beat_reset_event, 0 },
|
||||
};
|
||||
|
||||
static int __init beat_register_event(void)
|
||||
{
|
||||
u64 path[4], data[2];
|
||||
int rc, i;
|
||||
unsigned int virq;
|
||||
|
||||
for (i = 0; i < ARRAY_SIZE(beat_event_list); i++) {
|
||||
struct beat_event_list *ev = &beat_event_list[i];
|
||||
|
||||
if (beat_construct_event_receive_port(data) != 0) {
|
||||
printk(KERN_ERR "Beat: "
|
||||
"cannot construct event receive port for %s\n",
|
||||
ev->typecode);
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
virq = irq_create_mapping(NULL, data[0]);
|
||||
if (virq == NO_IRQ) {
|
||||
printk(KERN_ERR "Beat: failed to get virtual IRQ"
|
||||
" for event receive port for %s\n",
|
||||
ev->typecode);
|
||||
beat_destruct_event_receive_port(data[0]);
|
||||
return -EIO;
|
||||
}
|
||||
ev->virq = virq;
|
||||
|
||||
rc = request_irq(virq, ev->handler, IRQF_DISABLED,
|
||||
ev->typecode, NULL);
|
||||
if (rc != 0) {
|
||||
printk(KERN_ERR "Beat: failed to request virtual IRQ"
|
||||
" for event receive port for %s\n",
|
||||
ev->typecode);
|
||||
beat_destruct_event_receive_port(data[0]);
|
||||
return rc;
|
||||
}
|
||||
|
||||
path[0] = 0x1000000065780000ul; /* 1,ex */
|
||||
path[1] = 0x627574746f6e0000ul; /* button */
|
||||
path[2] = 0;
|
||||
strncpy((char *)&path[2], ev->typecode, 8);
|
||||
path[3] = 0;
|
||||
data[1] = 0;
|
||||
|
||||
beat_create_repository_node(path, data);
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int __init beat_event_init(void)
|
||||
{
|
||||
if (!firmware_has_feature(FW_FEATURE_BEAT))
|
||||
return -EINVAL;
|
||||
|
||||
beat_pm_poweroff_flag = 0;
|
||||
return beat_register_event();
|
||||
}
|
||||
|
||||
device_initcall(beat_event_init);
|
||||
Reference in New Issue
Block a user