diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-01-29 08:52:50 +1100 |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-01-29 08:52:50 +1100 |
commit | e189f3495c4e30fc84fc9241096edf3932e23439 (patch) | |
tree | 5916c89ace81537a02ae01869386ba6caafdab9c /arch/sh/mm/pmb.c | |
parent | f4798748dee00c807a63f5518f08b3df161e0f6d (diff) | |
parent | 6582d7b7376aa587d74b08c74457dc28abc1a9fa (diff) |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6: (197 commits)
sh: add spi header and r2d platform data V3
sh: update r7780rp interrupt code
sh: remove consistent alloc stuff from the machine vector
sh: use declared coherent memory for dreamcast pci ethernet adapter
sh: declared coherent memory support V2
sh: Add support for SDK7780 board.
sh: constify function pointer tables
sh: Kill off -traditional for linker script.
cdrom: Add support for Sega Dreamcast GD-ROM.
sh: Kill off hs7751rvoip reference from arch/sh/Kconfig.
sh: Drop r7780rp_defconfig, use r7780mp_defconfig as kbuild default.
sh: Kill off dead HS771RVoIP board support.
sh: r7785rp: Fix up DECLARE_INTC_DESC() arg mismatch.
sh: r7785rp: Hook up the rest of the HL7785 FPGA IRQ vectors.
sh: r2d - enable sm501 usb host function
sh: remove voyagergx
sh: r2d - add lcd planel timings to sm501 platform data
sh: Add OHCI and UDC platform devices for SH7720.
sh: intc - remove default interrupt priority tables
sh: Correct pte size mismatch for X2 TLB.
...
Diffstat (limited to 'arch/sh/mm/pmb.c')
-rw-r--r-- | arch/sh/mm/pmb.c | 26 |
1 files changed, 16 insertions, 10 deletions
diff --git a/arch/sh/mm/pmb.c b/arch/sh/mm/pmb.c index 1d45b82f0a63..ab81c602295f 100644 --- a/arch/sh/mm/pmb.c +++ b/arch/sh/mm/pmb.c @@ -27,6 +27,7 @@ #include <asm/pgtable.h> #include <asm/mmu.h> #include <asm/io.h> +#include <asm/mmu_context.h> #define NR_PMB_ENTRIES 16 @@ -162,18 +163,18 @@ repeat: return 0; } -int set_pmb_entry(struct pmb_entry *pmbe) +int __uses_jump_to_uncached set_pmb_entry(struct pmb_entry *pmbe) { int ret; - jump_to_P2(); + jump_to_uncached(); ret = __set_pmb_entry(pmbe->vpn, pmbe->ppn, pmbe->flags, &pmbe->entry); - back_to_P1(); + back_to_cached(); return ret; } -void clear_pmb_entry(struct pmb_entry *pmbe) +void __uses_jump_to_uncached clear_pmb_entry(struct pmb_entry *pmbe) { unsigned int entry = pmbe->entry; unsigned long addr; @@ -187,7 +188,7 @@ void clear_pmb_entry(struct pmb_entry *pmbe) entry >= NR_PMB_ENTRIES)) return; - jump_to_P2(); + jump_to_uncached(); /* Clear V-bit */ addr = mk_pmb_addr(entry); @@ -196,7 +197,7 @@ void clear_pmb_entry(struct pmb_entry *pmbe) addr = mk_pmb_data(entry); ctrl_outl(ctrl_inl(addr) & ~PMB_V, addr); - back_to_P1(); + back_to_cached(); clear_bit(entry, &pmb_map); } @@ -301,17 +302,17 @@ static void pmb_cache_ctor(struct kmem_cache *cachep, void *pmb) pmbe->entry = PMB_NO_ENTRY; } -static int __init pmb_init(void) +static int __uses_jump_to_uncached pmb_init(void) { unsigned int nr_entries = ARRAY_SIZE(pmb_init_map); - unsigned int entry; + unsigned int entry, i; BUG_ON(unlikely(nr_entries >= NR_PMB_ENTRIES)); pmb_cache = kmem_cache_create("pmb", sizeof(struct pmb_entry), 0, SLAB_PANIC, pmb_cache_ctor); - jump_to_P2(); + jump_to_uncached(); /* * Ordering is important, P2 must be mapped in the PMB before we @@ -329,7 +330,12 @@ static int __init pmb_init(void) /* PMB.SE and UB[7] */ ctrl_outl((1 << 31) | (1 << 7), PMB_PASCR); - back_to_P1(); + /* Flush out the TLB */ + i = ctrl_inl(MMUCR); + i |= MMUCR_TI; + ctrl_outl(i, MMUCR); + + back_to_cached(); return 0; } |