aboutsummaryrefslogtreecommitdiff
path: root/arch/powerpc/platforms/celleb/beat.c
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@woody.linux-foundation.org>2007-02-08 10:04:20 -0800
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-02-08 10:04:20 -0800
commit21eb4fa1700112d1420d72e1de708af671a251c8 (patch)
tree3afd9f526da50108c27e05ac69826be5e7c2ad6e /arch/powerpc/platforms/celleb/beat.c
parent0c0e8caf9fd6c9a49fb9fbdba14a8b7b4239adde (diff)
parentd003e7a1a569501cbe9a5ca14748177498c4893a (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.c163
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);