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author | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-02-08 10:04:20 -0800 |
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committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-02-08 10:04:20 -0800 |
commit | 21eb4fa1700112d1420d72e1de708af671a251c8 (patch) | |
tree | 3afd9f526da50108c27e05ac69826be5e7c2ad6e /arch/powerpc/platforms/celleb/beat.c | |
parent | 0c0e8caf9fd6c9a49fb9fbdba14a8b7b4239adde (diff) | |
parent | d003e7a1a569501cbe9a5ca14748177498c4893a (diff) |
Merge master.kernel.org:/pub/scm/linux/kernel/git/paulus/powerpc
* master.kernel.org:/pub/scm/linux/kernel/git/paulus/powerpc: (116 commits)
[POWERPC] Add export of vgacon_remap_base
[POWERPC] Remove bogus comment about page_is_ram
[POWERPC] windfarm: don't die on suspend thread signal
[POWERPC] Fix comment in kernel/irq.c
[POWERPC] ppc: Fix booke watchdog initialization
[POWERPC] PPC: Use ARRAY_SIZE macro when appropriate
[POWERPC] Use ARRAY_SIZE macro when appropriate
[POWERPC] Fix ppc64's writing to struct file_operations
[POWERPC] ppc: use syslog macro for the printk log level
[POWERPC] ppc: cs4218_tdm remove extra brace
[POWERPC] Add mpc52xx/lite5200 PCI support
[POWERPC] Only use H_BULK_REMOVE if the firmware supports it
[POWERPC] Fixup error handling when emulating a floating point instruction
[POWERPC] Enable interrupts if we are doing fp math emulation
[POWERPC] Added kprobes support to ppc32
[POWERPC] Make pSeries use the H_BULK_REMOVE hypervisor call
[POWERPC] Clear RI bit in MSR before restoring r13 when returning to userspace
[POWERPC] Fix performance monitor exception
[POWERPC] Compile fixes for arch/powerpc dcr code
[POWERPC] Maple: use mmio nvram
...
Diffstat (limited to 'arch/powerpc/platforms/celleb/beat.c')
-rw-r--r-- | arch/powerpc/platforms/celleb/beat.c | 163 |
1 files changed, 163 insertions, 0 deletions
diff --git a/arch/powerpc/platforms/celleb/beat.c b/arch/powerpc/platforms/celleb/beat.c new file mode 100644 index 00000000000..99341ce8a69 --- /dev/null +++ b/arch/powerpc/platforms/celleb/beat.c @@ -0,0 +1,163 @@ +/* + * 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 <asm/hvconsole.h> +#include <asm/time.h> + +#include "beat_wrapper.h" +#include "beat.h" + +void beat_restart(char *cmd) +{ + beat_shutdown_logical_partition(1); +} + +void beat_power_off(void) +{ + beat_shutdown_logical_partition(0); +} + +u64 beat_halt_code = 0x1000000000000000UL; + +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; +} + +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_get_term_char); +EXPORT_SYMBOL(beat_put_term_char); +EXPORT_SYMBOL(beat_halt_code); |