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author | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-07-16 10:32:02 -0700 |
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committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-07-16 10:32:02 -0700 |
commit | b91cba52e9b7b3f1c0037908a192d93a869ca9e5 (patch) | |
tree | bbce7f323c8f52b308af5a152673a75b3e445360 /arch/sh/boards/saturn/smp.c | |
parent | 98283bb49c6c8c070ebde9f47489d3e9a83c1323 (diff) | |
parent | e509ac4bbc661052dc73a2e8138800ba77d4ecb9 (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.c | 68 |
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); -} - |