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-rw-r--r--arch/powerpc/Kconfig1
-rw-r--r--arch/powerpc/kernel/btext.c3
-rw-r--r--arch/powerpc/kernel/crash.c3
-rw-r--r--arch/powerpc/kernel/crash_dump.c3
-rw-r--r--arch/powerpc/kernel/head_32.S17
-rw-r--r--arch/powerpc/kernel/machine_kexec.c3
-rw-r--r--arch/powerpc/kernel/prom.c2
-rw-r--r--arch/powerpc/kernel/rtas.c2
-rw-r--r--arch/powerpc/kernel/setup-common.c2
-rw-r--r--arch/powerpc/kernel/setup_64.c2
-rw-r--r--arch/powerpc/kernel/vdso.c3
-rw-r--r--arch/powerpc/mm/Makefile2
-rw-r--r--arch/powerpc/mm/hash_utils_64.c26
-rw-r--r--arch/powerpc/mm/init_32.c2
-rw-r--r--arch/powerpc/mm/init_64.c2
-rw-r--r--arch/powerpc/mm/lmb.c357
-rw-r--r--arch/powerpc/mm/mem.c2
-rw-r--r--arch/powerpc/mm/numa.c3
-rw-r--r--arch/powerpc/mm/ppc_mmu_32.c2
-rw-r--r--arch/powerpc/mm/stab.c4
-rw-r--r--arch/powerpc/platforms/8xx/m8xx_setup.c7
-rw-r--r--arch/powerpc/platforms/cell/iommu.c2
-rw-r--r--arch/powerpc/platforms/maple/setup.c2
-rw-r--r--arch/powerpc/platforms/pasemi/dma_lib.c144
-rw-r--r--arch/powerpc/platforms/powermac/setup.c2
-rw-r--r--arch/powerpc/platforms/ps3/htab.c3
-rw-r--r--arch/powerpc/platforms/ps3/mm.c3
-rw-r--r--arch/powerpc/platforms/ps3/os-area.c3
-rw-r--r--arch/powerpc/platforms/pseries/lpar.c15
-rw-r--r--arch/powerpc/sysdev/dart_iommu.c2
-rw-r--r--arch/powerpc/sysdev/mpic.c32
31 files changed, 238 insertions, 418 deletions
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index 1189d8d6170..ef12db07b22 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -91,6 +91,7 @@ config PPC
select HAVE_OPROFILE
select HAVE_KPROBES
select HAVE_KRETPROBES
+ select HAVE_LMB
config EARLY_PRINTK
bool
diff --git a/arch/powerpc/kernel/btext.c b/arch/powerpc/kernel/btext.c
index 80e2eef05b2..9f937774549 100644
--- a/arch/powerpc/kernel/btext.c
+++ b/arch/powerpc/kernel/btext.c
@@ -7,6 +7,7 @@
#include <linux/string.h>
#include <linux/init.h>
#include <linux/module.h>
+#include <linux/lmb.h>
#include <asm/sections.h>
#include <asm/prom.h>
@@ -15,7 +16,7 @@
#include <asm/mmu.h>
#include <asm/pgtable.h>
#include <asm/io.h>
-#include <asm/lmb.h>
+#include <asm/prom.h>
#include <asm/processor.h>
#include <asm/udbg.h>
diff --git a/arch/powerpc/kernel/crash.c b/arch/powerpc/kernel/crash.c
index 571132ed12c..eae401de3f7 100644
--- a/arch/powerpc/kernel/crash.c
+++ b/arch/powerpc/kernel/crash.c
@@ -24,12 +24,13 @@
#include <linux/init.h>
#include <linux/irq.h>
#include <linux/types.h>
+#include <linux/lmb.h>
#include <asm/processor.h>
#include <asm/machdep.h>
#include <asm/kexec.h>
#include <asm/kdump.h>
-#include <asm/lmb.h>
+#include <asm/prom.h>
#include <asm/firmware.h>
#include <asm/smp.h>
#include <asm/system.h>
diff --git a/arch/powerpc/kernel/crash_dump.c b/arch/powerpc/kernel/crash_dump.c
index 29ff77c468a..9ee3c5278db 100644
--- a/arch/powerpc/kernel/crash_dump.c
+++ b/arch/powerpc/kernel/crash_dump.c
@@ -13,8 +13,9 @@
#include <linux/crash_dump.h>
#include <linux/bootmem.h>
+#include <linux/lmb.h>
#include <asm/kdump.h>
-#include <asm/lmb.h>
+#include <asm/prom.h>
#include <asm/firmware.h>
#include <asm/uaccess.h>
diff --git a/arch/powerpc/kernel/head_32.S b/arch/powerpc/kernel/head_32.S
index 0f4fac51202..c16d1354b19 100644
--- a/arch/powerpc/kernel/head_32.S
+++ b/arch/powerpc/kernel/head_32.S
@@ -763,23 +763,6 @@ load_up_altivec:
b fast_exception_return
/*
- * AltiVec unavailable trap from kernel - print a message, but let
- * the task use AltiVec in the kernel until it returns to user mode.
- */
-KernelAltiVec:
- lwz r3,_MSR(r1)
- oris r3,r3,MSR_VEC@h
- stw r3,_MSR(r1) /* enable use of AltiVec after return */
- lis r3,87f@h
- ori r3,r3,87f@l
- mr r4,r2 /* current */
- lwz r5,_NIP(r1)
- bl printk
- b ret_from_except
-87: .string "AltiVec used in kernel (task=%p, pc=%x) \n"
- .align 4,0
-
-/*
* giveup_altivec(tsk)
* Disable AltiVec for the task given as the argument,
* and save the AltiVec registers in its thread_struct.
diff --git a/arch/powerpc/kernel/machine_kexec.c b/arch/powerpc/kernel/machine_kexec.c
index c0c8e8c3ced..2d202f274e7 100644
--- a/arch/powerpc/kernel/machine_kexec.c
+++ b/arch/powerpc/kernel/machine_kexec.c
@@ -12,8 +12,9 @@
#include <linux/kexec.h>
#include <linux/reboot.h>
#include <linux/threads.h>
+#include <linux/lmb.h>
#include <asm/machdep.h>
-#include <asm/lmb.h>
+#include <asm/prom.h>
void machine_crash_shutdown(struct pt_regs *regs)
{
diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c
index eac97f48b9b..ff600ef0b4d 100644
--- a/arch/powerpc/kernel/prom.c
+++ b/arch/powerpc/kernel/prom.c
@@ -31,10 +31,10 @@
#include <linux/kexec.h>
#include <linux/debugfs.h>
#include <linux/irq.h>
+#include <linux/lmb.h>
#include <asm/prom.h>
#include <asm/rtas.h>
-#include <asm/lmb.h>
#include <asm/page.h>
#include <asm/processor.h>
#include <asm/irq.h>
diff --git a/arch/powerpc/kernel/rtas.c b/arch/powerpc/kernel/rtas.c
index 52e95c2158c..e2e78d967f3 100644
--- a/arch/powerpc/kernel/rtas.c
+++ b/arch/powerpc/kernel/rtas.c
@@ -22,6 +22,7 @@
#include <linux/smp.h>
#include <linux/completion.h>
#include <linux/cpumask.h>
+#include <linux/lmb.h>
#include <asm/prom.h>
#include <asm/rtas.h>
@@ -34,7 +35,6 @@
#include <asm/system.h>
#include <asm/delay.h>
#include <asm/uaccess.h>
-#include <asm/lmb.h>
#include <asm/udbg.h>
#include <asm/syscalls.h>
#include <asm/smp.h>
diff --git a/arch/powerpc/kernel/setup-common.c b/arch/powerpc/kernel/setup-common.c
index 6adb5a1e98b..12cc41c16b0 100644
--- a/arch/powerpc/kernel/setup-common.c
+++ b/arch/powerpc/kernel/setup-common.c
@@ -34,6 +34,7 @@
#include <linux/serial_8250.h>
#include <linux/debugfs.h>
#include <linux/percpu.h>
+#include <linux/lmb.h>
#include <asm/io.h>
#include <asm/prom.h>
#include <asm/processor.h>
@@ -56,7 +57,6 @@
#include <asm/cache.h>
#include <asm/page.h>
#include <asm/mmu.h>
-#include <asm/lmb.h>
#include <asm/xmon.h>
#include <asm/cputhreads.h>
diff --git a/arch/powerpc/kernel/setup_64.c b/arch/powerpc/kernel/setup_64.c
index 3b1529c103e..2c2d8315193 100644
--- a/arch/powerpc/kernel/setup_64.c
+++ b/arch/powerpc/kernel/setup_64.c
@@ -33,6 +33,7 @@
#include <linux/serial_8250.h>
#include <linux/bootmem.h>
#include <linux/pci.h>
+#include <linux/lmb.h>
#include <asm/io.h>
#include <asm/kdump.h>
#include <asm/prom.h>
@@ -55,7 +56,6 @@
#include <asm/cache.h>
#include <asm/page.h>
#include <asm/mmu.h>
-#include <asm/lmb.h>
#include <asm/firmware.h>
#include <asm/xmon.h>
#include <asm/udbg.h>
diff --git a/arch/powerpc/kernel/vdso.c b/arch/powerpc/kernel/vdso.c
index d3437c4c4a6..c21a626af67 100644
--- a/arch/powerpc/kernel/vdso.c
+++ b/arch/powerpc/kernel/vdso.c
@@ -21,13 +21,14 @@
#include <linux/elf.h>
#include <linux/security.h>
#include <linux/bootmem.h>
+#include <linux/lmb.h>
#include <asm/pgtable.h>
#include <asm/system.h>
#include <asm/processor.h>
#include <asm/mmu.h>
#include <asm/mmu_context.h>
-#include <asm/lmb.h>
+#include <asm/prom.h>
#include <asm/machdep.h>
#include <asm/cputable.h>
#include <asm/sections.h>
diff --git a/arch/powerpc/mm/Makefile b/arch/powerpc/mm/Makefile
index 41649a5d360..1c00e0196f6 100644
--- a/arch/powerpc/mm/Makefile
+++ b/arch/powerpc/mm/Makefile
@@ -6,7 +6,7 @@ ifeq ($(CONFIG_PPC64),y)
EXTRA_CFLAGS += -mno-minimal-toc
endif
-obj-y := fault.o mem.o lmb.o \
+obj-y := fault.o mem.o \
init_$(CONFIG_WORD_SIZE).o \
pgtable_$(CONFIG_WORD_SIZE).o \
mmu_context_$(CONFIG_WORD_SIZE).o
diff --git a/arch/powerpc/mm/hash_utils_64.c b/arch/powerpc/mm/hash_utils_64.c
index 590f1f67c87..0b018b29cda 100644
--- a/arch/powerpc/mm/hash_utils_64.c
+++ b/arch/powerpc/mm/hash_utils_64.c
@@ -31,6 +31,7 @@
#include <linux/cache.h>
#include <linux/init.h>
#include <linux/signal.h>
+#include <linux/lmb.h>
#include <asm/processor.h>
#include <asm/pgtable.h>
@@ -41,7 +42,7 @@
#include <asm/system.h>
#include <asm/uaccess.h>
#include <asm/machdep.h>
-#include <asm/lmb.h>
+#include <asm/prom.h>
#include <asm/abs_addr.h>
#include <asm/tlbflush.h>
#include <asm/io.h>
@@ -191,6 +192,24 @@ int htab_bolt_mapping(unsigned long vstart, unsigned long vend,
return ret < 0 ? ret : 0;
}
+static void htab_remove_mapping(unsigned long vstart, unsigned long vend,
+ int psize, int ssize)
+{
+ unsigned long vaddr;
+ unsigned int step, shift;
+
+ shift = mmu_psize_defs[psize].shift;
+ step = 1 << shift;
+
+ if (!ppc_md.hpte_removebolted) {
+ printk("Sub-arch doesn't implement hpte_removebolted\n");
+ return;
+ }
+
+ for (vaddr = vstart; vaddr < vend; vaddr += step)
+ ppc_md.hpte_removebolted(vaddr, psize, ssize);
+}
+
static int __init htab_dt_scan_seg_sizes(unsigned long node,
const char *uname, int depth,
void *data)
@@ -429,6 +448,11 @@ void create_section_mapping(unsigned long start, unsigned long end)
_PAGE_ACCESSED | _PAGE_DIRTY | _PAGE_COHERENT | PP_RWXX,
mmu_linear_psize, mmu_kernel_ssize));
}
+
+void remove_section_mapping(unsigned long start, unsigned long end)
+{
+ htab_remove_mapping(start, end, mmu_linear_psize, mmu_kernel_ssize);
+}
#endif /* CONFIG_MEMORY_HOTPLUG */
static inline void make_bl(unsigned int *insn_addr, void *func)
diff --git a/arch/powerpc/mm/init_32.c b/arch/powerpc/mm/init_32.c
index 977cb1ee5e7..59a725b8ece 100644
--- a/arch/powerpc/mm/init_32.c
+++ b/arch/powerpc/mm/init_32.c
@@ -30,6 +30,7 @@
#include <linux/highmem.h>
#include <linux/initrd.h>
#include <linux/pagemap.h>
+#include <linux/lmb.h>
#include <asm/pgalloc.h>
#include <asm/prom.h>
@@ -41,7 +42,6 @@
#include <asm/machdep.h>
#include <asm/btext.h>
#include <asm/tlb.h>
-#include <asm/lmb.h>
#include <asm/sections.h>
#include "mmu_decl.h"
diff --git a/arch/powerpc/mm/init_64.c b/arch/powerpc/mm/init_64.c
index c0f5cff7703..abeb0eb7931 100644
--- a/arch/powerpc/mm/init_64.c
+++ b/arch/powerpc/mm/init_64.c
@@ -38,11 +38,11 @@
#include <linux/nodemask.h>
#include <linux/module.h>
#include <linux/poison.h>
+#include <linux/lmb.h>
#include <asm/pgalloc.h>
#include <asm/page.h>
#include <asm/prom.h>
-#include <asm/lmb.h>
#include <asm/rtas.h>
#include <asm/io.h>
#include <asm/mmu_context.h>
diff --git a/arch/powerpc/mm/lmb.c b/arch/powerpc/mm/lmb.c
deleted file mode 100644
index 4ce23bcf8a5..00000000000
--- a/arch/powerpc/mm/lmb.c
+++ /dev/null
@@ -1,357 +0,0 @@
-/*
- * Procedures for maintaining information about logical memory blocks.
- *
- * Peter Bergner, IBM Corp. June 2001.
- * Copyright (C) 2001 Peter Bergner.
- *
- * 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.
- */
-
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/bitops.h>
-#include <asm/types.h>
-#include <asm/page.h>
-#include <asm/prom.h>
-#include <asm/lmb.h>
-#ifdef CONFIG_PPC32
-#include "mmu_decl.h" /* for __max_low_memory */
-#endif
-
-#undef DEBUG
-
-#ifdef DEBUG
-#include <asm/udbg.h>
-#define DBG(fmt...) udbg_printf(fmt)
-#else
-#define DBG(fmt...)
-#endif
-
-#define LMB_ALLOC_ANYWHERE 0
-
-struct lmb lmb;
-
-void lmb_dump_all(void)
-{
-#ifdef DEBUG
- unsigned long i;
-
- DBG("lmb_dump_all:\n");
- DBG(" memory.cnt = 0x%lx\n", lmb.memory.cnt);
- DBG(" memory.size = 0x%lx\n", lmb.memory.size);
- for (i=0; i < lmb.memory.cnt ;i++) {
- DBG(" memory.region[0x%x].base = 0x%lx\n",
- i, lmb.memory.region[i].base);
- DBG(" .size = 0x%lx\n",
- lmb.memory.region[i].size);
- }
-
- DBG("\n reserved.cnt = 0x%lx\n", lmb.reserved.cnt);
- DBG(" reserved.size = 0x%lx\n", lmb.reserved.size);
- for (i=0; i < lmb.reserved.cnt ;i++) {
- DBG(" reserved.region[0x%x].base = 0x%lx\n",
- i, lmb.reserved.region[i].base);
- DBG(" .size = 0x%lx\n",
- lmb.reserved.region[i].size);
- }
-#endif /* DEBUG */
-}
-
-static unsigned long __init lmb_addrs_overlap(unsigned long base1,
- unsigned long size1, unsigned long base2, unsigned long size2)
-{
- return ((base1 < (base2+size2)) && (base2 < (base1+size1)));
-}
-
-static long __init lmb_addrs_adjacent(unsigned long base1, unsigned long size1,
- unsigned long base2, unsigned long size2)
-{
- if (base2 == base1 + size1)
- return 1;
- else if (base1 == base2 + size2)
- return -1;
-
- return 0;
-}
-
-static long __init lmb_regions_adjacent(struct lmb_region *rgn,
- unsigned long r1, unsigned long r2)
-{
- unsigned long base1 = rgn->region[r1].base;
- unsigned long size1 = rgn->region[r1].size;
- unsigned long base2 = rgn->region[r2].base;
- unsigned long size2 = rgn->region[r2].size;
-
- return lmb_addrs_adjacent(base1, size1, base2, size2);
-}
-
-static void __init lmb_remove_region(struct lmb_region *rgn, unsigned long r)
-{
- unsigned long i;
-
- for (i = r; i < rgn->cnt - 1; i++) {
- rgn->region[i].base = rgn->region[i + 1].base;
- rgn->region[i].size = rgn->region[i + 1].size;
- }
- rgn->cnt--;
-}
-
-/* Assumption: base addr of region 1 < base addr of region 2 */
-static void __init lmb_coalesce_regions(struct lmb_region *rgn,
- unsigned long r1, unsigned long r2)
-{
- rgn->region[r1].size += rgn->region[r2].size;
- lmb_remove_region(rgn, r2);
-}
-
-/* This routine called with relocation disabled. */
-void __init lmb_init(void)
-{
- /* Create a dummy zero size LMB which will get coalesced away later.
- * This simplifies the lmb_add() code below...
- */
- lmb.memory.region[0].base = 0;
- lmb.memory.region[0].size = 0;
- lmb.memory.cnt = 1;
-
- /* Ditto. */
- lmb.reserved.region[0].base = 0;
- lmb.reserved.region[0].size = 0;
- lmb.reserved.cnt = 1;
-}
-
-/* This routine may be called with relocation disabled. */
-void __init lmb_analyze(void)
-{
- int i;
-
- lmb.memory.size = 0;
-
- for (i = 0; i < lmb.memory.cnt; i++)
- lmb.memory.size += lmb.memory.region[i].size;
-}
-
-/* This routine called with relocation disabled. */
-static long __init lmb_add_region(struct lmb_region *rgn, unsigned long base,
- unsigned long size)
-{
- unsigned long coalesced = 0;
- long adjacent, i;
-
- /* First try and coalesce this LMB with another. */
- for (i=0; i < rgn->cnt; i++) {
- unsigned long rgnbase = rgn->region[i].base;
- unsigned long rgnsize = rgn->region[i].size;
-
- if ((rgnbase == base) && (rgnsize == size))
- /* Already have this region, so we're done */
- return 0;
-
- adjacent = lmb_addrs_adjacent(base,size,rgnbase,rgnsize);
- if ( adjacent > 0 ) {
- rgn->region[i].base -= size;
- rgn->region[i].size += size;
- coalesced++;
- break;
- }
- else if ( adjacent < 0 ) {
- rgn->region[i].size += size;
- coalesced++;
- break;
- }
- }
-
- if ((i < rgn->cnt-1) && lmb_regions_adjacent(rgn, i, i+1) ) {
- lmb_coalesce_regions(rgn, i, i+1);
- coalesced++;
- }
-
- if (coalesced)
- return coalesced;
- if (rgn->cnt >= MAX_LMB_REGIONS)
- return -1;
-
- /* Couldn't coalesce the LMB, so add it to the sorted table. */
- for (i = rgn->cnt-1; i >= 0; i--) {
- if (base < rgn->region[i].base) {
- rgn->region[i+1].base = rgn->region[i].base;
- rgn->region[i+1].size = rgn->region[i].size;
- } else {
- rgn->region[i+1].base = base;
- rgn->region[i+1].size = size;
- break;
- }
- }
- rgn->cnt++;
-
- return 0;
-}
-
-/* This routine may be called with relocation disabled. */
-long __init lmb_add(unsigned long base, unsigned long size)
-{
- struct lmb_region *_rgn = &(lmb.memory);
-
- /* On pSeries LPAR systems, the first LMB is our RMO region. */
- if (base == 0)
- lmb.rmo_size = size;
-
- return lmb_add_region(_rgn, base, size);
-
-}
-
-long __init lmb_reserve(unsigned long base, unsigned long size)
-{
- struct lmb_region *_rgn = &(lmb.reserved);
-
- BUG_ON(0 == size);
-
- return lmb_add_region(_rgn, base, size);
-}
-
-long __init lmb_overlaps_region(struct lmb_region *rgn, unsigned long base,
- unsigned long size)
-{
- unsigned long i;
-
- for (i=0; i < rgn->cnt; i++) {
- unsigned long rgnbase = rgn->region[i].base;
- unsigned long rgnsize = rgn->region[i].size;
- if ( lmb_addrs_overlap(base,size,rgnbase,rgnsize) ) {
- break;
- }
- }
-
- return (i < rgn->cnt) ? i : -1;
-}
-
-unsigned long __init lmb_alloc(unsigned long size, unsigned long align)
-{
- return lmb_alloc_base(size, align, LMB_ALLOC_ANYWHERE);
-}
-
-unsigned long __init lmb_alloc_base(unsigned long size, unsigned long align,
- unsigned long max_addr)
-{
- unsigned long alloc;
-
- alloc = __lmb_alloc_base(size, align, max_addr);
-
- if (alloc == 0)
- panic("ERROR: Failed to allocate 0x%lx bytes below 0x%lx.\n",
- size, max_addr);
-
- return alloc;
-}
-
-unsigned long __init __lmb_alloc_base(unsigned long size, unsigned long align,
- unsigned long max_addr)
-{
- long i, j;
- unsigned long base = 0;
-
- BUG_ON(0 == size);
-
-#ifdef CONFIG_PPC32
- /* On 32-bit, make sure we allocate lowmem */
- if (max_addr == LMB_ALLOC_ANYWHERE)
- max_addr = __max_low_memory;
-#endif
- for (i = lmb.memory.cnt-1; i >= 0; i--) {
- unsigned long lmbbase = lmb.memory.region[i].base;
- unsigned long lmbsize = lmb.memory.region[i].size;
-
- if (max_addr == LMB_ALLOC_ANYWHERE)
- base = _ALIGN_DOWN(lmbbase + lmbsize - size, align);
- else if (lmbbase < max_addr) {
- base = min(lmbbase + lmbsize, max_addr);
- base = _ALIGN_DOWN(base - size, align);
- } else
- continue;
-
- while ((lmbbase <= base) &&
- ((j = lmb_overlaps_region(&lmb.reserved, base, size)) >= 0) )
- base = _ALIGN_DOWN(lmb.reserved.region[j].base - size,
- align);
-
- if ((base != 0) && (lmbbase <= base))
- break;
- }
-
- if (i < 0)
- return 0;
-
- lmb_add_region(&lmb.reserved, base, size);
-
- return base;
-}
-
-/* You must call lmb_analyze() before this. */
-unsigned long __init lmb_phys_mem_size(void)
-{
- return lmb.memory.size;
-}
-
-unsigned long __init lmb_end_of_DRAM(void)
-{
- int idx = lmb.memory.cnt - 1;
-
- return (lmb.memory.region[idx].base + lmb.memory.region[idx].size);
-}
-
-/* You must call lmb_analyze() after this. */
-void __init lmb_enforce_memory_limit(unsigned long memory_limit)
-{
- unsigned long i, limit;
- struct lmb_property *p;
-
- if (! memory_limit)
- return;
-
- /* Truncate the lmb regions to satisfy the memory limit. */
- limit = memory_limit;
- for (i = 0; i < lmb.memory.cnt; i++) {
- if (limit > lmb.memory.region[i].size) {
- limit -= lmb.memory.region[i].size;
- continue;
- }
-
- lmb.memory.region[i].size = limit;
- lmb.memory.cnt = i + 1;
- break;
- }
-
- if (lmb.memory.region[0].size < lmb.rmo_size)
- lmb.rmo_size = lmb.memory.region[0].size;
-
- /* And truncate any reserves above the limit also. */
- for (i = 0; i < lmb.reserved.cnt; i++) {
- p = &lmb.reserved.region[i];
-
- if (p->base > memory_limit)
- p->size = 0;
- else if ((p->base + p->size) > memory_limit)
- p->size = memory_limit - p->base;
-
- if (p->size == 0) {
- lmb_remove_region(&lmb.reserved, i);
- i--;
- }
- }
-}
-
-int __init lmb_is_reserved(unsigned long addr)
-{
- int i;
-
- for (i = 0; i < lmb.reserved.cnt; i++) {
- unsigned long upper = lmb.reserved.region[i].base +
- lmb.reserved.region[i].size - 1;
- if ((addr >= lmb.reserved.region[i].base) && (addr <= upper))
- return 1;
- }
- return 0;
-}
diff --git a/arch/powerpc/mm/mem.c b/arch/powerpc/mm/mem.c
index be5c506779a..60c019cdc69 100644
--- a/arch/powerpc/mm/mem.c
+++ b/arch/powerpc/mm/mem.c
@@ -31,6 +31,7 @@
#include <linux/initrd.h>
#include <linux/pagemap.h>
#include <linux/suspend.h>
+#include <linux/lmb.h>
#include <asm/pgalloc.h>
#include <asm/prom.h>
@@ -42,7 +43,6 @@
#include <asm/machdep.h>
#include <asm/btext.h>
#include <asm/tlb.h>
-#include <asm/lmb.h>
#include <asm/sections.h>
#include <asm/vdso.h>
diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c
index a300d254aac..1efd631211e 100644
--- a/arch/powerpc/mm/numa.c
+++ b/arch/powerpc/mm/numa.c
@@ -17,8 +17,9 @@
#include <linux/nodemask.h>
#include <linux/cpu.h>
#include <linux/notifier.h>
+#include <linux/lmb.h>
#include <asm/sparsemem.h>
-#include <asm/lmb.h>
+#include <asm/prom.h>
#include <asm/system.h>
#include <asm/smp.h>
diff --git a/arch/powerpc/mm/ppc_mmu_32.c b/arch/powerpc/mm/ppc_mmu_32.c
index 5c45d474cfc..72de3c79210 100644
--- a/arch/powerpc/mm/ppc_mmu_32.c
+++ b/arch/powerpc/mm/ppc_mmu_32.c
@@ -26,11 +26,11 @@
#include <linux/mm.h>
#include <linux/init.h>
#include <linux/highmem.h>
+#include <linux/lmb.h>
#include <asm/prom.h>
#include <asm/mmu.h>
#include <asm/machdep.h>
-#include <asm/lmb.h>
#include "mmu_decl.h"
diff --git a/arch/powerpc/mm/stab.c b/arch/powerpc/mm/stab.c
index 50448d5de9d..efbbd13d93e 100644
--- a/arch/powerpc/mm/stab.c
+++ b/arch/powerpc/mm/stab.c
@@ -12,12 +12,14 @@
* 2 of the License, or (at your option) any later version.
*/
+#include <linux/lmb.h>
+
#include <asm/pgtable.h>
#include <asm/mmu.h>
#include <asm/mmu_context.h>
#include <asm/paca.h>
#include <asm/cputable.h>
-#include <asm/lmb.h>
+#include <asm/prom.h>
#include <asm/abs_addr.h>
#include <asm/firmware.h>
#include <asm/iseries/hv_call.h>
diff --git a/arch/powerpc/platforms/8xx/m8xx_setup.c b/arch/powerpc/platforms/8xx/m8xx_setup.c
index 184f998d1be..0d9f75c74f8 100644
--- a/arch/powerpc/platforms/8xx/m8xx_setup.c
+++ b/arch/powerpc/platforms/8xx/m8xx_setup.c
@@ -111,17 +111,12 @@ void __init mpc8xx_calibrate_decr(void)
/* Processor frequency is MHz.
*/
- ppc_tb_freq = 50000000;
- if (!get_freq("bus-frequency", &ppc_tb_freq)) {
- printk(KERN_ERR "WARNING: Estimating decrementer frequency "
- "(not found)\n");
- }
- ppc_tb_freq /= 16;
ppc_proc_freq = 50000000;
if (!get_freq("clock-frequency", &ppc_proc_freq))
printk(KERN_ERR "WARNING: Estimating processor frequency "
"(not found)\n");
+ ppc_tb_freq = ppc_proc_freq / 16;
printk("Decrementer Frequency = 0x%lx\n", ppc_tb_freq);
/* Perform some more timer/timebase initialization. This used
diff --git a/arch/powerpc/platforms/cell/iommu.c b/arch/powerpc/platforms/cell/iommu.c
index 20ea0e118f2..d6a732503ea 100644
--- a/arch/powerpc/platforms/cell/iommu.c
+++ b/arch/powerpc/platforms/cell/iommu.c
@@ -28,13 +28,13 @@
#include <linux/notifier.h>
#include <linux/of.h>
#include <linux/of_platform.h>
+#include <linux/lmb.h>
#include <asm/prom.h>
#include <asm/iommu.h>
#include <asm/machdep.h>
#include <asm/pci-bridge.h>
#include <asm/udbg.h>
-#include <asm/lmb.h>
#include <asm/firmware.h>
#include <asm/cell-regs.h>
diff --git a/arch/powerpc/platforms/maple/setup.c b/arch/powerpc/platforms/maple/setup.c
index 3ce2d73b417..dadf33b5c09 100644
--- a/arch/powerpc/platforms/maple/setup.c
+++ b/arch/powerpc/platforms/maple/setup.c
@@ -43,6 +43,7 @@
#include <linux/smp.h>
#include <linux/bitops.h>
#include <linux/of_device.h>
+#include <linux/lmb.h>
#include <asm/processor.h>
#include <asm/sections.h>
@@ -57,7 +58,6 @@
#include <asm/dma.h>
#include <asm/cputable.h>
#include <asm/time.h>
-#include <asm/lmb.h>
#include <asm/mpic.h>
#include <asm/rtas.h>
#include <asm/udbg.h>
diff --git a/arch/powerpc/platforms/pasemi/dma_lib.c b/arch/powerpc/platforms/pasemi/dma_lib.c
index c529d8dff39..217af321b0c 100644
--- a/arch/powerpc/platforms/pasemi/dma_lib.c
+++ b/arch/powerpc/platforms/pasemi/dma_lib.c
@@ -17,6 +17,7 @@
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
+#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/module.h>
#include <linux/pci.h>
@@ -26,6 +27,8 @@
#define MAX_TXCH 64
#define MAX_RXCH 64
+#define MAX_FLAGS 64
+#define MAX_FUN 8
static struct pasdma_status *dma_status;
@@ -43,6 +46,8 @@ static struct pci_dev *dma_pdev;
static DECLARE_BITMAP(txch_free, MAX_TXCH);
static DECLARE_BITMAP(rxch_free, MAX_RXCH);
+static DECLARE_BITMAP(flags_free, MAX_FLAGS);
+static DECLARE_BITMAP(fun_free, MAX_FUN);
/* pasemi_read_iob_reg - read IOB register
* @reg: Register to read (offset into PCI CFG space)
@@ -373,6 +378,106 @@ void pasemi_dma_free_buf(struct pasemi_dmachan *chan, int size,
}
EXPORT_SYMBOL(pasemi_dma_free_buf);
+/* pasemi_dma_alloc_flag - Allocate a flag (event) for channel syncronization
+ *
+ * Allocates a flag for use with channel syncronization (event descriptors).
+ * Returns allocated flag (0-63), < 0 on error.
+ */
+int pasemi_dma_alloc_flag(void)
+{
+ int bit;
+
+retry:
+ bit = find_next_bit(flags_free, MAX_FLAGS, 0);
+ if (bit >= MAX_FLAGS)
+ return -ENOSPC;
+ if (!test_and_clear_bit(bit, flags_free))
+ goto retry;
+
+ return bit;
+}
+EXPORT_SYMBOL(pasemi_dma_alloc_flag);
+
+
+/* pasemi_dma_free_flag - Deallocates a flag (event)
+ * @flag: Flag number to deallocate
+ *
+ * Frees up a flag so it can be reused for other purposes.
+ */
+void pasemi_dma_free_flag(int flag)
+{
+ BUG_ON(test_bit(flag, flags_free));
+ BUG_ON(flag >= MAX_FLAGS);
+ set_bit(flag, flags_free);
+}
+EXPORT_SYMBOL(pasemi_dma_free_flag);
+
+
+/* pasemi_dma_set_flag - Sets a flag (event) to 1
+ * @flag: Flag number to set active
+ *
+ * Sets the flag provided to 1.
+ */
+void pasemi_dma_set_flag(int flag)
+{
+ BUG_ON(flag >= MAX_FLAGS);
+ if (flag < 32)
+ pasemi_write_dma_reg(PAS_DMA_TXF_SFLG0, 1 << flag);
+ else
+ pasemi_write_dma_reg(PAS_DMA_TXF_SFLG1, 1 << flag);
+}
+EXPORT_SYMBOL(pasemi_dma_set_flag);
+
+/* pasemi_dma_clear_flag - Sets a flag (event) to 0
+ * @flag: Flag number to set inactive
+ *
+ * Sets the flag provided to 0.
+ */
+void pasemi_dma_clear_flag(int flag)
+{
+ BUG_ON(flag >= MAX_FLAGS);
+ if (flag < 32)
+ pasemi_write_dma_reg(PAS_DMA_TXF_CFLG0, 1 << flag);
+ else
+ pasemi_write_dma_reg(PAS_DMA_TXF_CFLG1, 1 << flag);
+}
+EXPORT_SYMBOL(pasemi_dma_clear_flag);
+
+/* pasemi_dma_alloc_fun - Allocate a function engine
+ *
+ * Allocates a function engine to use for crypto/checksum offload
+ * Returns allocated engine (0-8), < 0 on error.
+ */
+int pasemi_dma_alloc_fun(void)
+{
+ int bit;
+
+retry:
+ bit = find_next_bit(fun_free, MAX_FLAGS, 0);
+ if (bit >= MAX_FLAGS)
+ return -ENOSPC;
+ if (!test_and_clear_bit(bit, fun_free))
+ goto retry;
+
+ return bit;
+}
+EXPORT_SYMBOL(pasemi_dma_alloc_fun);
+
+
+/* pasemi_dma_free_fun - Deallocates a function engine
+ * @flag: Engine number to deallocate
+ *
+ * Frees up a function engine so it can be used for other purposes.
+ */
+void pasemi_dma_free_fun(int fun)
+{
+ BUG_ON(test_bit(fun, fun_free));
+ BUG_ON(fun >= MAX_FLAGS);
+ set_bit(fun, fun_free);
+}
+EXPORT_SYMBOL(pasemi_dma_free_fun);
+
+
static void *map_onedev(struct pci_dev *p, int index)
{
struct device_node *dn;
@@ -410,6 +515,7 @@ int pasemi_dma_init(void)
struct resource res;
struct device_node *dn;
int i, intf, err = 0;
+ unsigned long timeout;
u32 tmp;
if (!machine_is(pasemi))
@@ -478,6 +584,44 @@ int pasemi_dma_init(void)
for (i = 0; i < MAX_RXCH; i++)
__set_bit(i, rxch_free);
+ timeout = jiffies + HZ;
+ pasemi_write_dma_reg(PAS_DMA_COM_RXCMD, 0);
+ while (pasemi_read_dma_reg(PAS_DMA_COM_RXSTA) & 1) {
+ if (time_after(jiffies, timeout)) {
+ pr_warning("Warning: Could not disable RX section\n");
+ break;
+ }
+ }
+
+ timeout = jiffies + HZ;
+ pasemi_write_dma_reg(PAS_DMA_COM_TXCMD, 0);
+ while (pasemi_read_dma_reg(PAS_DMA_COM_TXSTA) & 1) {
+ if (time_after(jiffies, timeout)) {
+ pr_warning("Warning: Could not disable TX section\n");
+ break;
+ }
+ }
+
+ /* setup resource allocations for the different DMA sections */
+ tmp = pasemi_read_dma_reg(PAS_DMA_COM_CFG);
+ pasemi_write_dma_reg(PAS_DMA_COM_CFG, tmp | 0x18000000);
+
+ /* enable tx section */
+ pasemi_write_dma_reg(PAS_DMA_COM_TXCMD, PAS_DMA_COM_TXCMD_EN);
+
+ /* enable rx section */
+ pasemi_write_dma_reg(PAS_DMA_COM_RXCMD, PAS_DMA_COM_RXCMD_EN);
+
+ for (i = 0; i < MAX_FLAGS; i++)
+ __set_bit(i, flags_free);
+
+ for (i = 0; i < MAX_FUN; i++)
+ __set_bit(i, fun_free);
+
+ /* clear all status flags */
+ pasemi_write_dma_reg(PAS_DMA_TXF_CFLG0, 0xffffffff);
+ pasemi_write_dma_reg(PAS_DMA_TXF_CFLG1, 0xffffffff);
+
printk(KERN_INFO "PA Semi PWRficient DMA library initialized "
"(%d tx, %d rx channels)\n", num_txch, num_rxch);
diff --git a/arch/powerpc/platforms/powermac/setup.c b/arch/powerpc/platforms/powermac/setup.c
index 36ff1b6b7fa..59404baf911 100644
--- a/arch/powerpc/platforms/powermac/setup.c
+++ b/arch/powerpc/platforms/powermac/setup.c
@@ -53,6 +53,7 @@
#include <linux/suspend.h>
#include <linux/of_device.h>
#include <linux/of_platform.h>
+#include <linux/lmb.h>
#include <asm/reg.h>
#include <asm/sections.h>
@@ -74,7 +75,6 @@
#include <asm/iommu.h>
#include <asm/smu.h>
#include <asm/pmc.h>
-#include <asm/lmb.h>
#include <asm/udbg.h>
#include "pmac.h"
diff --git a/arch/powerpc/platforms/ps3/htab.c b/arch/powerpc/platforms/ps3/htab.c
index 7382f195c4f..1cf901fa903 100644
--- a/arch/powerpc/platforms/ps3/htab.c
+++ b/arch/powerpc/platforms/ps3/htab.c
@@ -19,9 +19,10 @@
*/
#include <linux/kernel.h>
+#include <linux/lmb.h>
#include <asm/machdep.h>
-#include <asm/lmb.h>
+#include <asm/prom.h>
#include <asm/udbg.h>
#include <asm/lv1call.h>
#include <asm/ps3fb.h>
diff --git a/arch/powerpc/platforms/ps3/mm.c b/arch/powerpc/platforms/ps3/mm.c
index 68900476c84..5b3fb2b321a 100644
--- a/arch/powerpc/platforms/ps3/mm.c
+++ b/arch/powerpc/platforms/ps3/mm.c
@@ -21,9 +21,10 @@
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/memory_hotplug.h>
+#include <linux/lmb.h>
#include <asm/firmware.h>
-#include <asm/lmb.h>
+#include <asm/prom.h>
#include <asm/udbg.h>
#include <asm/lv1call.h>
diff --git a/arch/powerpc/platforms/ps3/os-area.c b/arch/powerpc/platforms/ps3/os-area.c
index b9ea09d9d2f..c73379ec914 100644
--- a/arch/powerpc/platforms/ps3/os-area.c
+++ b/arch/powerpc/platforms/ps3/os-area.c
@@ -24,8 +24,9 @@
#include <linux/fs.h>
#include <linux/syscalls.h>
#include <linux/ctype.h>
+#include <linux/lmb.h>
-#include <asm/lmb.h>
+#include <asm/prom.h>
#include "platform.h"
diff --git a/arch/powerpc/platforms/pseries/lpar.c b/arch/powerpc/platforms/pseries/lpar.c
index 9a455d46379..233d9be25f4 100644
--- a/arch/powerpc/platforms/pseries/lpar.c
+++ b/arch/powerpc/platforms/pseries/lpar.c
@@ -520,6 +520,20 @@ static void pSeries_lpar_hpte_invalidate(unsigned long slot, unsigned long va,
BUG_ON(lpar_rc != H_SUCCESS);
}
+static void pSeries_lpar_hpte_removebolted(unsigned long ea,
+ int psize, int ssize)
+{
+ unsigned long slot, vsid, va;
+
+ vsid = get_kernel_vsid(ea, ssize);
+ va = hpt_va(ea, vsid, ssize);
+
+ slot = pSeries_lpar_hpte_find(va, psize, ssize);
+ BUG_ON(slot == -1);
+
+ pSeries_lpar_hpte_invalidate(slot, va, psize, ssize, 0);
+}
+
/* Flag bits for H_BULK_REMOVE */
#define HBR_REQUEST 0x4000000000000000UL
#define HBR_RESPONSE 0x8000000000000000UL
@@ -597,6 +611,7 @@ void __init hpte_init_lpar(void)
ppc_md.hpte_updateboltedpp = pSeries_lpar_hpte_updateboltedpp;
ppc_md.hpte_insert = pSeries_lpar_hpte_insert;
ppc_md.hpte_remove = pSeries_lpar_hpte_remove;
+ ppc_md.hpte_removebolted = pSeries_lpar_hpte_removebolted;
ppc_md.flush_hash_range = pSeries_lpar_flush_hash_range;
ppc_md.hpte_clear_all = pSeries_lpar_hptab_clear;
}
diff --git a/arch/powerpc/sysdev/dart_iommu.c b/arch/powerpc/sysdev/dart_iommu.c
index e0e24b01e3a..005c2ecf976 100644
--- a/arch/powerpc/sysdev/dart_iommu.c
+++ b/arch/powerpc/sysdev/dart_iommu.c
@@ -37,6 +37,7 @@
#include <linux/dma-mapping.h>
#include <linux/vmalloc.h>
#include <linux/suspend.h>
+#include <linux/lmb.h>
#include <asm/io.h>
#include <asm/prom.h>
#include <asm/iommu.h>
@@ -44,7 +45,6 @@
#include <asm/machdep.h>
#include <asm/abs_addr.h>
#include <asm/cacheflush.h>
-#include <asm/lmb.h>
#include <asm/ppc-pci.h>
#include "dart.h"
diff --git a/arch/powerpc/sysdev/mpic.c b/arch/powerpc/sysdev/mpic.c
index 6ffdda244bb..6131fd2b661 100644
--- a/arch/powerpc/sysdev/mpic.c
+++ b/arch/powerpc/sysdev/mpic.c
@@ -175,13 +175,16 @@ static inline void _mpic_write(enum mpic_reg_type type,
switch(type) {
#ifdef CONFIG_PPC_DCR
case mpic_access_dcr:
- return dcr_write(rb->dhost, reg, value);
+ dcr_write(rb->dhost, reg, value);
+ break;
#endif
case mpic_access_mmio_be:
- return out_be32(rb->base + (reg >> 2), value);
+ out_be32(rb->base + (reg >> 2), value);
+ break;
case mpic_access_mmio_le:
default:
- return out_le32(rb->base + (reg >> 2), value);
+ out_le32(rb->base + (reg >> 2), value);
+ break;
}
}
@@ -1000,7 +1003,7 @@ struct mpic * __init mpic_alloc(struct device_node *node,
const char *name)
{
struct mpic *mpic;
- u32 reg;
+ u32 greg_feature;
const char *vers;
int i;
int intvec_top;
@@ -1064,7 +1067,8 @@ struct mpic * __init mpic_alloc(struct device_node *node,
/* Look for protected sources */
if (node) {
- unsigned int psize, bits, mapsize;
+ int psize;
+ unsigned int bits, mapsize;
const u32 *psrc =
of_get_property(node, "protected-sources", &psize);
if (psrc) {
@@ -1107,8 +1111,7 @@ struct mpic * __init mpic_alloc(struct device_node *node,
* in, try to obtain one
*/
if (paddr == 0 && !(mpic->flags & MPIC_USES_DCR)) {
- const u32 *reg;
- reg = of_get_property(node, "reg", NULL);
+ const u32 *reg = of_get_property(node, "reg", NULL);
BUG_ON(reg == NULL);
paddr = of_translate_address(node, reg);
BUG_ON(paddr == OF_BAD_ADDR);
@@ -1137,12 +1140,13 @@ struct mpic * __init mpic_alloc(struct device_node *node,
* MPICs, num sources as well. On ISU MPICs, sources are counted
* as ISUs are added
*/
- reg = mpic_read(mpic->gregs, MPIC_INFO(GREG_FEATURE_0));
- mpic->num_cpus = ((reg & MPIC_GREG_FEATURE_LAST_CPU_MASK)
+ greg_feature = mpic_read(mpic->gregs, MPIC_INFO(GREG_FEATURE_0));
+ mpic->num_cpus = ((greg_feature & MPIC_GREG_FEATURE_LAST_CPU_MASK)
>> MPIC_GREG_FEATURE_LAST_CPU_SHIFT) + 1;
if (isu_size == 0)
- mpic->num_sources = ((reg & MPIC_GREG_FEATURE_LAST_SRC_MASK)
- >> MPIC_GREG_FEATURE_LAST_SRC_SHIFT) + 1;
+ mpic->num_sources =
+ ((greg_feature & MPIC_GREG_FEATURE_LAST_SRC_MASK)
+ >> MPIC_GREG_FEATURE_LAST_SRC_SHIFT) + 1;
/* Map the per-CPU registers */
for (i = 0; i < mpic->num_cpus; i++) {
@@ -1161,7 +1165,7 @@ struct mpic * __init mpic_alloc(struct device_node *node,
mpic->isu_mask = (1 << mpic->isu_shift) - 1;
/* Display version */
- switch (reg & MPIC_GREG_FEATURE_VERSION_MASK) {
+ switch (greg_feature & MPIC_GREG_FEATURE_VERSION_MASK) {
case 1:
vers = "1.0";
break;
@@ -1321,7 +1325,7 @@ void __init mpic_set_serial_int(struct mpic *mpic, int enable)
void mpic_irq_set_priority(unsigned int irq, unsigned int pri)
{
- int is_ipi;
+ unsigned int is_ipi;
struct mpic *mpic = mpic_find(irq, &is_ipi);
unsigned int src = mpic_irq_to_hw(irq);
unsigned long flags;
@@ -1344,7 +1348,7 @@ void mpic_irq_set_priority(unsigned int irq, unsigned int pri)
unsigned int mpic_irq_get_priority(unsigned int irq)
{
- int is_ipi;
+ unsigned int is_ipi;
struct mpic *mpic = mpic_find(irq, &is_ipi);
unsigned int src = mpic_irq_to_hw(irq);
unsigned long flags;