aboutsummaryrefslogtreecommitdiff
path: root/arch/sh/boards/saturn/smp.c
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@woody.linux-foundation.org>2007-07-16 10:32:02 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-07-16 10:32:02 -0700
commitb91cba52e9b7b3f1c0037908a192d93a869ca9e5 (patch)
treebbce7f323c8f52b308af5a152673a75b3e445360 /arch/sh/boards/saturn/smp.c
parent98283bb49c6c8c070ebde9f47489d3e9a83c1323 (diff)
parente509ac4bbc661052dc73a2e8138800ba77d4ecb9 (diff)
Merge master.kernel.org:/pub/scm/linux/kernel/git/lethal/sh-2.6
* master.kernel.org:/pub/scm/linux/kernel/git/lethal/sh-2.6: (68 commits) sh: sh-rtc support for SH7709. sh: Revert __xdiv64_32 size change. sh: Update r7785rp defconfig. sh: Export div symbols for GCC 4.2 and ST GCC. sh: fix race in parallel out-of-tree build sh: Kill off dead mach.c for hp6xx. sh: hd64461.h cleanup and added comments. sh: Update the alignment when 4K stacks are used. sh: Add a .bss.page_aligned section for 4K stacks. sh: Don't let SH-4A clobber SH-4 CFLAGS. sh: Add parport stub for SuperIO ports. sh: Drop -Wa,-dsp for DSP tuning. sh: Update dreamcast defconfig. fb: pvr2fb: A few more __devinit annotations for PCI. fb: pvr2fb: Fix up section mismatch warnings. sh: Select IPR-IRQ for SH7091. sh: Correct __xdiv64_32/div64_32 return value size. sh: Fix timer-tmu build for SH-3. sh: Add cpu and mach links to CLEAN_FILES. sh: Preliminary support for the SH-X3 CPU. ...
Diffstat (limited to 'arch/sh/boards/saturn/smp.c')
-rw-r--r--arch/sh/boards/saturn/smp.c68
1 files changed, 0 insertions, 68 deletions
diff --git a/arch/sh/boards/saturn/smp.c b/arch/sh/boards/saturn/smp.c
deleted file mode 100644
index 76460918c9c..00000000000
--- a/arch/sh/boards/saturn/smp.c
+++ /dev/null
@@ -1,68 +0,0 @@
-/*
- * arch/sh/boards/saturn/smp.c
- *
- * SMP support for the Sega Saturn.
- *
- * Copyright (c) 2002 Paul Mundt
- *
- * Released under the terms of the GNU GPL v2.0.
- */
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/smp.h>
-
-#include <asm/saturn/smpc.h>
-
-extern void start_secondary(void);
-
-void __smp_send_ipi(unsigned int cpu, unsigned int action)
-{
- /* Nothing here yet .. */
-}
-
-unsigned int __smp_probe_cpus(void)
-{
- /*
- * This is just a straightforward master/slave configuration,
- * and probing isn't really supported..
- */
- return 2;
-}
-
-/*
- * We're only allowed to do byte-access to SMPC registers. In
- * addition to which, we treat them as write-only, since
- * reading from them will return undefined data.
- */
-static inline void smpc_slave_stop(unsigned int cpu)
-{
- smpc_barrier();
- ctrl_outb(1, SMPC_STATUS);
-
- ctrl_outb(SMPC_CMD_SSHOFF, SMPC_COMMAND);
- smpc_barrier();
-}
-
-static inline void smpc_slave_start(unsigned int cpu)
-{
- ctrl_outb(1, SMPC_STATUS);
- ctrl_outb(SMPC_CMD_SSHON, SMPC_COMMAND);
-
- smpc_barrier();
-}
-
-void __smp_slave_init(unsigned int cpu)
-{
- register unsigned long vbr;
- void **entry;
-
- __asm__ __volatile__ ("stc vbr, %0\n\t" : "=r" (vbr));
- entry = (void **)(vbr + 0x310 + 0x94);
-
- smpc_slave_stop(cpu);
-
- *(void **)entry = (void *)start_secondary;
-
- smpc_slave_start(cpu);
-}
-