/* * Simple NUMA memory policy for the Linux kernel. * * Copyright 2003,2004 Andi Kleen, SuSE Labs. * Subject to the GNU Public License, version 2. * * NUMA policy allows the user to give hints in which node(s) memory should * be allocated. * * Support four policies per VMA and per process: * * The VMA policy has priority over the process policy for a page fault. * * interleave Allocate memory interleaved over a set of nodes, * with normal fallback if it fails. * For VMA based allocations this interleaves based on the * offset into the backing object or offset into the mapping * for anonymous memory. For process policy an process counter * is used. * bind Only allocate memory on a specific set of nodes, * no fallback. * preferred Try a specific node first before normal fallback. * As a special case node -1 here means do the allocation * on the local CPU. This is normally identical to default, * but useful to set in a VMA when you have a non default * process policy. * default Allocate on the local node first, or when on a VMA * use the process policy. This is what Linux always did * in a NUMA aware kernel and still does by, ahem, default. * * The process policy is applied for most non interrupt memory allocations * in that process' context. Interrupts ignore the policies and always * try to allocate on the local CPU. The VMA policy is only applied for memory * allocations for a VMA in the VM. * * Currently there are a few corner cases in swapping where the policy * is not applied, but the majority should be handled. When process policy * is used it is not remembered over swap outs/swap ins. * * Only the highest zone in the zone hierarchy gets policied. Allocations * requesting a lower zone just use default policy. This implies that * on systems with highmem kernel lowmem allocation don't get policied. * Same with GFP_DMA allocations. * * For shmfs/tmpfs/hugetlbfs shared memory the policy is shared between * all users and remembered even when nobody has memory mapped. */ /* Notebook: fix mmap readahead to honour policy and enable policy for any page cache object statistics for bigpages global policy for page cache? currently it uses process policy. Requires first item above. handle mremap for shared memory (currently ignored for the policy) grows down? make bind policy root only? It can trigger oom much faster and the kernel is not always grateful with that. could replace all the switch()es with a mempolicy_ops structure. */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include static kmem_cache_t *policy_cache; static kmem_cache_t *sn_cache; #define PDprintk(fmt...) /* Highest zone. An specific allocation for a zone below that is not policied. */ static int policy_zone; struct mempolicy default_policy = { .refcnt = ATOMIC_INIT(1), /* never free it */ .policy = MPOL_DEFAULT, }; /* Check if all specified nodes are online */ static int nodes_online(unsigned long *nodes) { DECLARE_BITMAP(online2, MAX_NUMNODES); bitmap_copy(online2, nodes_addr(node_online_map), MAX_NUMNODES); if (bitmap_empty(online2, MAX_NUMNODES)) set_bit(0, online2); if (!bitmap_subset(nodes, online2, MAX_NUMNODES)) return -EINVAL; return 0; } /* Do sanity checking on a policy */ static int mpol_check_policy(int mode, unsigned long *nodes) { int empty = bitmap_empty(nodes, MAX_NUMNODES); switch (mode) { case MPOL_DEFAULT: if (!empty) return -EINVAL; break; case MPOL_BIND: case MPOL_INTERLEAVE: /* Preferred will only use the first bit, but allow more for now. */ if (empty) return -EINVAL; break; } return nodes_online(nodes); } /* Copy a node mask from user space. */ static int get_nodes(unsigned long *nodes, unsigned long __user *nmask, unsigned long maxnode, int mode) { unsigned long k; unsigned long nlongs; unsigned long endmask; --maxnode; bitmap_zero(nodes, MAX_NUMNODES); if (maxnode == 0 || !nmask) return 0; nlongs = BITS_TO_LONGS(maxnode); if ((maxnode % BITS_PER_LONG) == 0) endmask = ~0UL; else endmask = (1UL << (maxnode % BITS_PER_LONG)) - 1; /* When the user specified more nodes than supported just check if the non supported part is all zero. */ if (nlongs > BITS_TO_LONGS(MAX_NUMNODES)) { if (nlongs > PAGE_SIZE/sizeof(long)) return -EINVAL; for (k = BITS_TO_LONGS(MAX_NUMNODES); k < nlongs; k++) { unsigned long t; if (get_user(t, nmask + k)) return -EFAULT; if (k == nlongs - 1) { if (t & endmask) return -EINVAL; } else if (t) return -EINVAL; } nlongs = BITS_TO_LONGS(MAX_NUMNODES); endmask = ~0UL; } if (copy_from_user(nodes, nmask, nlongs*sizeof(unsigned long))) return -EFAULT; nodes[nlongs-1] &= endmask; /* Update current mems_allowed */ cpuset_update_current_mems_allowed(); /* Ignore nodes not set in current->mems_allowed */ cpuset_restrict_to_mems_allowed(nodes); return mpol_check_policy(mode, nodes); } /* Generate a custom zonelist for the BIND policy. */ static struct zonelist *bind_zonelist(unsigned long *nodes) { struct zonelist *zl; int num, max, nd; max = 1 + MAX_NR_ZONES * bitmap_weight(nodes, MAX_NUMNODES); zl = kmalloc(sizeof(void *) * max, GFP_KERNEL); if (!zl) return NULL; num = 0; for (nd = find_first_bit(nodes, MAX_NUMNODES); nd < MAX_NUMNODES; nd = find_next_bit(nodes, MAX_NUMNODES, 1+nd)) { int k; for (k = MAX_NR_ZONES-1; k >= 0; k--) { struct zone *z = &NODE_DATA(nd)->node_zones[k]; if (!z->present_pages) continue; zl->zones[num++] = z; if (k > policy_zone) policy_zone = k; } } BUG_ON(num >= max); zl->zones[num] = NULL; return zl; } /* Create a new policy */ static struct mempolicy *mpol_new(int mode, unsigned long *nodes) { struct mempolicy *policy; PDprintk("setting mode %d nodes[0] %lx\n", mode, nodes[0]); if (mode == MPOL_DEFAULT) return NULL; policy = kmem_cache_alloc(policy_cache, GFP_KERNEL); if (!policy) return ERR_PTR(-ENOMEM); atomic_set(&policy->refcnt, 1); switch (mode) { case MPOL_INTERLEAVE: bitmap_copy(policy->v.nodes, nodes, MAX_NUMNODES); break; case MPOL_PREFERRED: policy->v.preferred_node = find_first_bit(nodes, MAX_NUMNODES); if (policy->v.preferred_node >= MAX_NUMNODES) policy->v.preferred_node = -1; break; case MPOL_BIND: policy->v.zonelist = bind_zonelist(nodes); if (policy->v.zonelist == NULL) { kmem_cache_free(policy_cache, policy); return ERR_PTR(-ENOMEM); } break; } policy->policy = mode; return policy; } /* Ensure all existing pages follow the policy. */ static int check_pte_range(struct mm_struct *mm, pmd_t *pmd, unsigned long addr, unsigned long end, unsigned long *nodes) { pte_t *orig_pte; pte_t *pte; spin_lock(&mm->page_table_lock); orig_pte = pte = pte_offset_map(pmd, addr); do { unsigned long pfn; unsigned int nid; if (!pte_present(*pte)) continue; pfn = pte_pfn(*pte); if (!pfn_valid(pfn)) continue; nid = pfn_to_nid(pfn); if (!test_bit(nid, nodes)) break; } while (pte++, addr += PAGE_SIZE, addr != end); pte_unmap(orig_pte); spin_unlock(&mm->page_table_lock); return addr != end; } static inline int check_pmd_range(struct mm_struct *mm, pud_t *pud, unsigned long addr, unsigned long end, unsigned long *nodes) { pmd_t *pmd; unsigned long next; pmd = pmd_offset(pud, addr); do { next = pmd_addr_end(addr, end); if (pmd_none_or_clear_bad(pmd)) continue; if (check_pte_range(mm, pmd, addr, next, nodes)) return -EIO; } while (pmd++, addr = next, addr != end); return 0; } static inline int check_pud_range(struct mm_struct *mm, pgd_t *pgd, unsigned long addr, unsigned long end, unsigned long *nodes) { pud_t *pud; unsigned long next; pud = pud_offset(pgd, addr); do { next = pud_addr_end(addr, end); if (pud_none_or_clear_bad(pud)) continue; if (check_pmd_range(mm, pud, addr, next, nodes)) return -EIO; } while (pud++, addr = next, addr != end); return 0; } static inline int check_pgd_range(struct mm_struct *mm, unsigned long addr, unsigned long end, unsigned long *nodes) { pgd_t *pgd; unsigned long next; pgd = pgd_offset(mm, addr); do { next = pgd_addr_end(addr, end); if (pgd_none_or_clear_bad(pgd)) continue; if (check_pud_range(mm, pgd, addr, next, nodes)) return -EIO; } while (pgd++, addr = next, addr != end); return 0; } /* Step 1: check the range */ static struct vm_area_struct * check_range(struct mm_struct *mm, unsigned long start, unsigned long end, unsigned long *nodes, unsigned long flags) { int err; struct vm_area_struct *first, *vma, *prev; first = find_vma(mm, start); if (!first) return ERR_PTR(-EFAULT); prev = NULL; for (vma = first; vma && vma->vm_start < end; vma = vma->vm_next) { if (!vma->vm_next && vma->vm_end < end) return ERR_PTR(-EFAULT); if (prev && prev->vm_end < vma->vm_start) return ERR_PTR(-EFAULT); if ((flags & MPOL_MF_STRICT) && !is_vm_hugetlb_page(vma)) { unsigned long endvma = vma->vm_end; if (endvma > end) endvma = end; if (vma->vm_start > start) start = vma->vm_start; err = check_pgd_range(vma->vm_mm, start, endvma, nodes); if (err) { first = ERR_PTR(err); break; } } prev = vma; } return first; } /* Apply policy to a single VMA */ static int policy_vma(struct vm_area_struct *vma, struct mempolicy *new) { int err = 0; struct mempolicy *old = vma->vm_policy; PDprintk("vma %lx-%lx/%lx vm_ops %p vm_file %p set_policy %p\n", vma->vm_start, vma->vm_end, vma->vm_pgoff, vma->vm_ops, vma->vm_file, vma->vm_ops ? vma->vm_ops->set_policy : NULL); if (vma->vm_ops && vma->vm_ops->set_policy) err = vma->vm_ops->set_policy(vma, new); if (!err) { mpol_get(new); vma->vm_policy = new; mpol_free(old); } return err; } /* Step 2: apply policy to a range and do splits. */ static int mbind_range(struct vm_area_struct *vma, unsigned long start, unsigned long end, struct mempolicy *new) { struct vm_area_struct *next; int err; err = 0; for (; vma && vma->vm_start < end; vma = next) { next = vma->vm_next; if (vma->vm_start < start) err = split_vma(vma->vm_mm, vma, start, 1); if (!err && vma->vm_end > end) err = split_vma(vma->vm_mm, vma, end, 0); if (!err) err = policy_vma(vma, new); if (err) break; } return err; } /* Change policy for a memory range */ asmlinkage long sys_mbind(unsigned long start, unsigned long len, unsigned long mode, unsigned long __user *nmask, unsigned long maxnode, unsigned flags) { struct vm_area_struct *vma; struct mm_struct *mm = current->mm; struct mempolicy *new; unsigned long end; DECLARE_BITMAP(nodes, MAX_NUMNODES); int err; if ((flags & ~(unsigned long)(MPOL_MF_STRICT)) || mode > MPOL_MAX) return -EINVAL; if (start & ~PAGE_MASK) return -EINVAL; if (mode == MPOL_DEFAULT) flags &= ~MPOL_MF_STRICT; len = (len + PAGE_SIZE - 1) & PAGE_MASK; end = start + len; if (end < start) return -EINVAL; if (end == start) return 0; err = get_nodes(nodes, nmask, maxnode, mode); if (err) return err; new = mpol_new(mode, nodes); if (IS_ERR(new)) return PTR_ERR(new); PDprintk("mbind %lx-%lx mode:%ld nodes:%lx\n",start,start+len, mode,nodes[0]); down_write(&mm->mmap_sem); vma = check_range(mm, start, end, nodes, flags); err = PTR_ERR(vma); if (!IS_ERR(vma)) err = mbind_range(vma, start, end, new); up_write(&mm->mmap_sem); mpol_free(new); return err; } /* Set the process memory policy */ asmlinkage long sys_set_mempolicy(int mode, unsigned long __user *nmask, unsigned long maxnode) { int err; struct mempolicy *new; DECLARE_BITMAP(nodes, MAX_NUMNODES); if (mode < 0 || mode > MPOL_MAX) return -EINVAL; err = get_nodes(nodes, nmask, maxnode, mode); if (err) return err; new = mpol_new(mode, nodes); if (IS_ERR(new)) return PTR_ERR(new); mpol_free(current->mempolicy); current->mempolicy = new; if (new && new->policy == MPOL_INTERLEAVE) current->il_next = find_first_bit(new->v.nodes, MAX_NUMNODES); return 0; } /* Fill a zone bitmap for a policy */ static void get_zonemask(struct mempolicy *p, unsigned long *nodes) { int i; bitmap_zero(nodes, MAX_NUMNODES); switch (p->policy) { case MPOL_BIND: for (i = 0; p->v.zonelist->zones[i]; i++) __set_bit(p->v.zonelist->zones[i]->zone_pgdat->node_id, nodes); break; case MPOL_DEFAULT: break; case MPOL_INTERLEAVE: bitmap_copy(nodes, p->v.nodes, MAX_NUMNODES); break; case MPOL_PREFERRED: /* or use current node instead of online map? */ if (p->v.preferred_node < 0) bitmap_copy(nodes, nodes_addr(node_online_map), MAX_NUMNODES); else __set_bit(p->v.preferred_node, nodes); break; default: BUG(); } } static int lookup_node(struct mm_struct *mm, unsigned long addr) { struct page *p; int err; err = get_user_pages(current, mm, addr & PAGE_MASK, 1, 0, 0, &p, NULL); if (err >= 0) { err = page_to_nid(p); put_page(p); } return err; } /* Copy a kernel node mask to user space */ static int copy_nodes_to_user(unsigned long __user *mask, unsigned long maxnode, void *nodes, unsigned nbytes) { unsigned long copy = ALIGN(maxnode-1, 64) / 8; if (copy > nbytes) { if (copy > PAGE_SIZE) return -EINVAL; if (clear_user((char __user *)mask + nbytes, copy - nbytes)) return -EFAULT; copy = nbytes; } return copy_to_user(mask, nodes, copy) ? -EFAULT : 0; } /* Retrieve NUMA policy */ asmlinkage long sys_get_mempolicy(int __user *policy, unsigned long __user *nmask, unsigned long maxnode, unsigned long addr, unsigned long flags) { int err, pval; struct mm_struct *mm = current->mm; struct vm_area_struct *vma = NULL; struct mempolicy *pol = current->mempolicy; if (flags & ~(unsigned long)(MPOL_F_NODE|MPOL_F_ADDR)) return -EINVAL; if (nmask != NULL && maxnode < MAX_NUMNODES) return -EINVAL; if (flags & MPOL_F_ADDR) { down_read(&mm->mmap_sem); vma = find_vma_intersection(mm, addr, addr+1); if (!vma) { up_read(&mm->mmap_sem); return -EFAULT; } if (vma->vm_ops && vma->vm_ops->get_policy) pol = vma->vm_ops->get_policy(vma, addr); else pol = vma->vm_policy; } else if (addr) return -EINVAL; if (!pol) pol = &default_policy; if (flags & MPOL_F_NODE) { if (flags & MPOL_F_ADDR) { err = lookup_node(mm, addr); if (err < 0) goto out; pval = err; } else if (pol == current->mempolicy && pol->policy == MPOL_INTERLEAVE) { pval = current->il_next; } else { err = -EINVAL; goto out; } } else pval = pol->policy; if (vma) { up_read(¤t->mm->mmap_sem); vma = NULL; } if (policy && put_user(pval, policy)) return -EFAULT; err = 0; if (nmask) { DECLARE_BITMAP(nodes, MAX_NUMNODES); get_zonemask(pol, nodes); err = copy_nodes_to_user(nmask, maxnode, nodes, sizeof(nodes)); } out: if (vma) up_read(¤t->mm->mmap_sem); return err; } #ifdef CONFIG_COMPAT asmlinkage long compat_sys_get_mempolicy(int __user *policy, compat_ulong_t __user *nmask, compat_ulong_t maxnode, compat_ulong_t addr, compat_ulong_t flags) { long err; unsigned long __user *nm = NULL; unsigned long nr_bits, alloc_size; DECLARE_BITMAP(bm, MAX_NUMNODES); nr_bits = min_t(unsigned long, maxnode-1, MAX_NUMNODES); alloc_size = ALIGN(nr_bits, BITS_PER_LONG) / 8; if (nmask) nm = compat_alloc_user_space(alloc_size); err = sys_get_mempolicy(policy, nm, nr_bits+1, addr, flags); if (!err && nmask) { err = copy_from_user(bm, nm, alloc_size); /* ensure entire bitmap is zeroed */ err |= clear_user(nmask, ALIGN(maxnode-1, 8) / 8); err |= compat_put_bitmap(nmask, bm, nr_bits); } return err; } asmlinkage long compat_sys_set_mempolicy(int mode, compat_ulong_t __user *nmask, compat_ulong_t maxnode) { long err = 0; unsigned long __user *nm = NULL; unsigned long nr_bits, alloc_size; DECLARE_BITMAP(bm, MAX_NUMNODES); nr_bits = min_t(unsigned long, maxnode-1, MAX_NUMNODES); alloc_size = ALIGN(nr_bits, BITS_PER_LONG) / 8; if (nmask) { err = compat_get_bitmap(bm, nmask, nr_bits); nm = compat_alloc_user_space(alloc_size); err |= copy_to_user(nm, bm, alloc_size); } if (err) return -EFAULT; return sys_set_mempolicy(mode, nm, nr_bits+1); } asmlinkage long compat_sys_mbind(compat_ulong_t start, compat_ulong_t len, compat_ulong_t mode, compat_ulong_t __user *nmask, compat_ulong_t maxnode, compat_ulong_t flags) { long err = 0; unsigned long __user *nm = NULL; unsigned long nr_bits, alloc_size; DECLARE_BITMAP(bm, MAX_NUMNODES); nr_bits = min_t(unsigned long, maxnode-1, MAX_NUMNODES); alloc_size = ALIGN(nr_bits, BITS_PER_LONG) / 8; if (nmask) { err = compat_get_bitmap(bm, nmask, nr_bits); nm = compat_alloc_user_space(alloc_size); err |= copy_to_user(nm, bm, alloc_size); } if (err) return -EFAULT; return sys_mbind(start, len, mode, nm, nr_bits+1, flags); } #endif /* Return effective policy for a VMA */ struct mempolicy * get_vma_policy(struct task_struct *task, struct vm_area_struct *vma, unsigned long addr) { struct mempolicy *pol = task->mempolicy; if (vma) { if (vma->vm_ops && vma->vm_ops->get_policy) pol = vma->vm_ops->get_policy(vma, addr); else if (vma->vm_policy && vma->vm_policy->policy != MPOL_DEFAULT) pol = vma->vm_policy; } if (!pol) pol = &default_policy; return pol; } /* Return a zonelist representing a mempolicy */ static struct zonelist *zonelist_policy(gfp_t gfp, struct mempolicy *policy) { int nd; switch (policy->policy) { case MPOL_PREFERRED: nd = policy->v.preferred_node; if (nd < 0) nd = numa_node_id(); break; case MPOL_BIND: /* Lower zones don't get a policy applied */ /* Careful: current->mems_allowed might have moved */ if (gfp_zone(gfp) >= policy_zone) if (cpuset_zonelist_valid_mems_allowed(policy->v.zonelist)) return policy->v.zonelist; /*FALL THROUGH*/ case MPOL_INTERLEAVE: /* should not happen */ case MPOL_DEFAULT: nd = numa_node_id(); break; default: nd = 0; BUG(); } return NODE_DATA(nd)->node_zonelists + gfp_zone(gfp); } /* Do dynamic interleaving for a process */ static unsigned interleave_nodes(struct mempolicy *policy) { unsigned nid, next; struct task_struct *me = current; nid = me->il_next; BUG_ON(nid >= MAX_NUMNODES); next = find_next_bit(policy->v.nodes, MAX_NUMNODES, 1+nid); if (next >= MAX_NUMNODES) next = find_first_bit(policy->v.nodes, MAX_NUMNODES); me->il_next = next; return nid; } /* Do static interleaving for a VMA with known offset. */ static unsigned offset_il_node(struct mempolicy *pol, struct vm_area_struct *vma, unsigned long off) { unsigned nnodes = bitmap_weight(pol->v.nodes, MAX_NUMNODES); unsigned target = (unsigned)off % nnodes; int c; int nid = -1; c = 0; do { nid = find_next_bit(pol->v.nodes, MAX_NUMNODES, nid+1); c++; } while (c <= target); BUG_ON(nid >= MAX_NUMNODES); BUG_ON(!test_bit(nid, pol->v.nodes)); return nid; } /* Allocate a page in interleaved policy. Own path because it needs to do special accounting. */ static struct page *alloc_page_interleave(gfp_t gfp, unsigned order, unsigned nid) { struct zonelist *zl; struct page *page; BUG_ON(!node_online(nid)); zl = NODE_DATA(nid)->node_zonelists + gfp_zone(gfp); page = __alloc_pages(gfp, order, zl); if (page && page_zone(page) == zl->zones[0]) { zone_pcp(zl->zones[0],get_cpu())->interleave_hit++; put_cpu(); } return page; } /** * alloc_page_vma - Allocate a page for a VMA. * * @gfp: * %GFP_USER user allocation. * %GFP_KERNEL kernel allocations, * %GFP_HIGHMEM highmem/user allocations, * %GFP_FS allocation should not call back into a file system. * %GFP_ATOMIC don't sleep. * * @vma: Pointer to VMA or NULL if not available. * @addr: Virtual Address of the allocation. Must be inside the VMA. * * This function allocates a page from the kernel page pool and applies * a NUMA policy associated with the VMA or the current process. * When VMA is not NULL caller must hold down_read on the mmap_sem of the * mm_struct of the VMA to prevent it from going away. Should be used for * all allocations for pages that will be mapped into * user space. Returns NULL when no page can be allocated. * * Should be called with the mm_sem of the vma hold. */ struct page * alloc_page_vma(gfp_t gfp, struct vm_area_struct *vma, unsigned long addr) { struct mempolicy *pol = get_vma_policy(current, vma, addr); cpuset_update_current_mems_allowed(); if (unlikely(pol->policy == MPOL_INTERLEAVE)) { unsigned nid; if (vma) { unsigned long off; BUG_ON(addr >= vma->vm_end); BUG_ON(addr < vma->vm_start); off = vma->vm_pgoff; off += (addr - vma->vm_start) >> PAGE_SHIFT; nid = offset_il_node(pol, vma, off); } else { /* fall back to process interleaving */ nid = interleave_nodes(pol); } return alloc_page_interleave(gfp, 0, nid); } return __alloc_pages(gfp, 0, zonelist_policy(gfp, pol)); } /** * alloc_pages_current - Allocate pages. * * @gfp: * %GFP_USER user allocation, * %GFP_KERNEL kernel allocation, * %GFP_HIGHMEM highmem allocation, * %GFP_FS don't call back into a file system. * %GFP_ATOMIC don't sleep. * @order: Power of two of allocation size in pages. 0 is a single page. * #define VOYAGER_USBH_BASE (0x40000 + VOYAGER_BASE) #define VOYAGER_UART_BASE (0x30000 + VOYAGER_BASE) #define VOYAGER_AC97_BASE (0xa0000 + VOYAGER_BASE) #define VOYAGER_IRQ_NUM 32 #define VOYAGER_IRQ_BASE 50 #define VOYAGER_USBH_IRQ VOYAGER_IRQ_BASE + 6 #define VOYAGER_8051_IRQ VOYAGER_IRQ_BASE + 10 #define VOYAGER_UART0_IRQ VOYAGER_IRQ_BASE + 12 #define VOYAGER_UART1_IRQ VOYAGER_IRQ_BASE + 13 #define VOYAGER_AC97_IRQ VOYAGER_IRQ_BASE + 17 /* ----- MISC controle register ------------------------------ */ #define MISC_CTRL (0x000004 + VOYAGER_BASE) #define MISC_CTRL_USBCLK_48 (3 << 28) #define MISC_CTRL_USBCLK_96 (2 << 28) #define MISC_CTRL_USBCLK_CRYSTAL (1 << 28) /* ----- GPIO[31:0] register --------------------------------- */ #define GPIO_MUX_LOW (0x000008 + VOYAGER_BASE) #define GPIO_MUX_LOW_AC97 0x1F000000 #define GPIO_MUX_LOW_8051 0x0000ffff #define GPIO_MUX_LOW_PWM (1 << 29) /* ----- GPIO[63:32] register --------------------------------- */ #define GPIO_MUX_HIGH (0x00000C + VOYAGER_BASE) /* ----- DRAM controle register ------------------------------- */ #define DRAM_CTRL (0x000010 + VOYAGER_BASE) #define DRAM_CTRL_EMBEDDED (1 << 31) #define DRAM_CTRL_CPU_BURST_1 (0 << 28) #define DRAM_CTRL_CPU_BURST_2 (1 << 28) #define DRAM_CTRL_CPU_BURST_4 (2 << 28) #define DRAM_CTRL_CPU_BURST_8 (3 << 28) #define DRAM_CTRL_CPU_CAS_LATENCY (1 << 27) #define DRAM_CTRL_CPU_SIZE_2 (0 << 24) #define DRAM_CTRL_CPU_SIZE_4 (1 << 24) #define DRAM_CTRL_CPU_SIZE_64 (4 << 24) #define DRAM_CTRL_CPU_SIZE_32 (5 << 24) #define DRAM_CTRL_CPU_SIZE_16 (6 << 24) #define DRAM_CTRL_CPU_SIZE_8 (7 << 24) #define DRAM_CTRL_CPU_COLUMN_SIZE_1024 (0 << 22) #define DRAM_CTRL_CPU_COLUMN_SIZE_512 (2 << 22) #define DRAM_CTRL_CPU_COLUMN_SIZE_256 (3 << 22) #define DRAM_CTRL_CPU_ACTIVE_PRECHARGE (1 << 21) #define DRAM_CTRL_CPU_RESET (1 << 20) #define DRAM_CTRL_CPU_BANKS (1 << 19) #define DRAM_CTRL_CPU_WRITE_PRECHARGE (1 << 18) #define DRAM_CTRL_BLOCK_WRITE (1 << 17) #define DRAM_CTRL_REFRESH_COMMAND (1 << 16) #define DRAM_CTRL_SIZE_4 (0 << 13) #define DRAM_CTRL_SIZE_8 (1 << 13) #define DRAM_CTRL_SIZE_16 (2 << 13) #define DRAM_CTRL_SIZE_32 (3 << 13) #define DRAM_CTRL_SIZE_64 (4 << 13) #define DRAM_CTRL_SIZE_2 (5 << 13) #define DRAM_CTRL_COLUMN_SIZE_256 (0 << 11) #define DRAM_CTRL_COLUMN_SIZE_512 (2 << 11) #define DRAM_CTRL_COLUMN_SIZE_1024 (3 << 11) #define DRAM_CTRL_BLOCK_WRITE_TIME (1 << 10) #define DRAM_CTRL_BLOCK_WRITE_PRECHARGE (1 << 9) #define DRAM_CTRL_ACTIVE_PRECHARGE (1 << 8) #define DRAM_CTRL_RESET (1 << 7) #define DRAM_CTRL_REMAIN_ACTIVE (1 << 6) #define DRAM_CTRL_BANKS (1 << 1) #define DRAM_CTRL_WRITE_PRECHARGE (1 << 0) /* ----- Arvitration control register -------------------------- */ #define ARBITRATION_CTRL (0x000014 + VOYAGER_BASE) #define ARBITRATION_CTRL_CPUMEM (1 << 29) #define ARBITRATION_CTRL_INTMEM (1 << 28) #define ARBITRATION_CTRL_USB_OFF (0 << 24) #define ARBITRATION_CTRL_USB_PRIORITY_1 (1 << 24) #define ARBITRATION_CTRL_USB_PRIORITY_2 (2 << 24) #define ARBITRATION_CTRL_USB_PRIORITY_3 (3 << 24) #define ARBITRATION_CTRL_USB_PRIORITY_4 (4 << 24) #define ARBITRATION_CTRL_USB_PRIORITY_5 (5 << 24) #define ARBITRATION_CTRL_USB_PRIORITY_6 (6 << 24) #define ARBITRATION_CTRL_USB_PRIORITY_7 (7 << 24) #define ARBITRATION_CTRL_PANEL_OFF (0 << 20) #define ARBITRATION_CTRL_PANEL_PRIORITY_1 (1 << 20) #define ARBITRATION_CTRL_PANEL_PRIORITY_2 (2 << 20) #define ARBITRATION_CTRL_PANEL_PRIORITY_3 (3 << 20) #define ARBITRATION_CTRL_PANEL_PRIORITY_4 (4 << 20) #define ARBITRATION_CTRL_PANEL_PRIORITY_5 (5 << 20) #define ARBITRATION_CTRL_PANEL_PRIORITY_6 (6 << 20) #define ARBITRATION_CTRL_PANEL_PRIORITY_7 (7 << 20) #define ARBITRATION_CTRL_ZVPORT_OFF (0 << 16) #define ARBITRATION_CTRL_ZVPORTL_PRIORITY_1 (1 << 16) #define ARBITRATION_CTRL_ZVPORTL_PRIORITY_2 (2 << 16) #define ARBITRATION_CTRL_ZVPORTL_PRIORITY_3 (3 << 16) #define ARBITRATION_CTRL_ZVPORTL_PRIORITY_4 (4 << 16) #define ARBITRATION_CTRL_ZVPORTL_PRIORITY_5 (5 << 16) #define ARBITRATION_CTRL_ZVPORTL_PRIORITY_6 (6 << 16) #define ARBITRATION_CTRL_ZVPORTL_PRIORITY_7 (7 << 16) #define ARBITRATION_CTRL_CMD_INTPR_OFF (0 << 12) #define ARBITRATION_CTRL_CMD_INTPR_PRIORITY_1 (1 << 12) #define ARBITRATION_CTRL_CMD_INTPR_PRIORITY_2 (2 << 12) #define ARBITRATION_CTRL_CMD_INTPR_PRIORITY_3 (3 << 12) #define ARBITRATION_CTRL_CMD_INTPR_PRIORITY_4 (4 << 12) #define ARBITRATION_CTRL_CMD_INTPR_PRIORITY_5 (5 << 12) #define ARBITRATION_CTRL_CMD_INTPR_PRIORITY_6 (6 << 12) #define ARBITRATION_CTRL_CMD_INTPR_PRIORITY_7 (7 << 12) #define ARBITRATION_CTRL_DMA_OFF (0 << 8) #define ARBITRATION_CTRL_DMA_PRIORITY_1 (1 << 8) #define ARBITRATION_CTRL_DMA_PRIORITY_2 (2 << 8) #define ARBITRATION_CTRL_DMA_PRIORITY_3 (3 << 8) #define ARBITRATION_CTRL_DMA_PRIORITY_4 (4 << 8) #define ARBITRATION_CTRL_DMA_PRIORITY_5 (5 << 8) #define ARBITRATION_CTRL_DMA_PRIORITY_6 (6 << 8) #define ARBITRATION_CTRL_DMA_PRIORITY_7 (7 << 8) #define ARBITRATION_CTRL_VIDEO_OFF (0 <