litmus-rt.git - The LITMUS^RT kernel.

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-rw-r--r--

1 files changed, 5 insertions, 2 deletions

         if (IS_60XX(hpriv)) {
                 u32 ifctl = readl(port_mmio + SATA_INTERFACE_CTL);
-                ifctl |= (1 << 12) | (1 << 7);
+                ifctl |= (1 << 7);              /* enable gen2i speed */
+                ifctl = (ifctl & 0xfff) | 0x9b1000; /* from chip spec */
                 writelfl(ifctl, port_mmio + SATA_INTERFACE_CTL);
         }
                         void __iomem *port_mmio = mv_port_base(mmio, port);
                         u32 ifctl = readl(port_mmio + SATA_INTERFACE_CTL);
-                        ifctl |= (1 << 12);
+                        ifctl |= (1 << 7);              /* enable gen2i speed */
+                        ifctl = (ifctl & 0xfff) | 0x9b1000; /* from chip spec */
                         writelfl(ifctl, port_mmio + SATA_INTERFACE_CTL);
                 }
         if (rc) {
                 return rc;
         }
+        pci_set_master(pdev);
         rc = pci_request_regions(pdev, DRV_NAME);
         if (rc) {

/* * bootmem - A boot-time physical memory allocator and configurator * * Copyright (C) 1999 Ingo Molnar * 1999 Kanoj Sarcar, SGI * 2008 Johannes Weiner * * Access to this subsystem has to be serialized externally (which is true * for the boot process anyway). */ #include <linux/init.h> #include <linux/pfn.h> #include <linux/bootmem.h> #include <linux/module.h> #include <asm/bug.h> #include <asm/io.h> #include <asm/processor.h> #include "internal.h" unsigned long max_low_pfn; unsigned long min_low_pfn; unsigned long max_pfn; #ifdef CONFIG_CRASH_DUMP /* * If we have booted due to a crash, max_pfn will be a very low value. We need * to know the amount of memory that the previous kernel used. */ unsigned long saved_max_pfn; #endif bootmem_data_t bootmem_node_data[MAX_NUMNODES] __initdata; static struct list_head bdata_list __initdata = LIST_HEAD_INIT(bdata_list); static int bootmem_debug; static int __init bootmem_debug_setup(char *buf) { bootmem_debug = 1; return 0; } early_param("bootmem_debug", bootmem_debug_setup); #define bdebug(fmt, args...) ({ \ if (unlikely(bootmem_debug)) \ printk(KERN_INFO \ "bootmem::%s " fmt, \ __func__, ## args); \ }) static unsigned long __init bootmap_bytes(unsigned long pages) { unsigned long bytes = (pages + 7) / 8; return ALIGN(bytes, sizeof(long)); } /** * bootmem_bootmap_pages - calculate bitmap size in pages * @pages: number of pages the bitmap has to represent */ unsigned long __init bootmem_bootmap_pages(unsigned long pages) { unsigned long bytes = bootmap_bytes(pages); return PAGE_ALIGN(bytes) >> PAGE_SHIFT; } /* * link bdata in order */ static void __init link_bootmem(bootmem_data_t *bdata) { struct list_head *iter; list_for_each(iter, &bdata_list) { bootmem_data_t *ent; ent = list_entry(iter, bootmem_data_t, list); if (bdata->node_min_pfn < ent->node_min_pfn) break; } list_add_tail(&bdata->list, iter); } /* * Called once to set up the allocator itself. */ static unsigned long __init init_bootmem_core(bootmem_data_t *bdata, unsigned long mapstart, unsigned long start, unsigned long end) { unsigned long mapsize; mminit_validate_memmodel_limits(&start, &end); bdata->node_bootmem_map = phys_to_virt(PFN_PHYS(mapstart)); bdata->node_min_pfn = start; bdata->node_low_pfn = end; link_bootmem(bdata); /* * Initially all pages are reserved - setup_arch() has to * register free RAM areas explicitly. */ mapsize = bootmap_bytes(end - start); memset(bdata->node_bootmem_map, 0xff, mapsize); bdebug("nid=%td start=%lx map=%lx end=%lx mapsize=%lx\n", bdata - bootmem_node_data, start, mapstart, end, mapsize); return mapsize; } /** * init_bootmem_node - register a node as boot memory * @pgdat: node to register * @freepfn: pfn where the bitmap for this node is to be placed * @startpfn: first pfn on the node * @endpfn: first pfn after the node * * Returns the number of bytes needed to hold the bitmap for this node. */ unsigned long __init init_bootmem_node(pg_data_t *pgdat, unsigned long freepfn, unsigned long startpfn, unsigned long endpfn) { return init_bootmem_core(pgdat->bdata, freepfn, startpfn, endpfn); } /** * init_bootmem - register boot memory * @start: pfn where the bitmap is to be placed * @pages: number of available physical pages * * Returns the number of bytes needed to hold the bitmap. */ unsigned long __init init_bootmem(unsigned long start, unsigned long pages) { max_low_pfn = pages; min_low_pfn = start; return init_bootmem_core(NODE_DATA(0)->bdata, start, 0, pages); } static unsigned long __init free_all_bootmem_core(bootmem_data_t *bdata) { int aligned; struct page *page; unsigned long start, end, pages, count = 0; if (!bdata->node_bootmem_map) return 0; start = bdata->node_min_pfn; end = bdata->node_low_pfn; /* * If the start is aligned to the machines wordsize, we might * be able to free pages in bulks of that order. */ aligned = !(start & (BITS_PER_LONG - 1)); bdebug("nid=%td start=%lx end=%lx aligned=%d\n", bdata - bootmem_node_data, start, end, aligned); while (start < end) { unsigned long *map, idx, vec; map = bdata->node_bootmem_map; idx = start - bdata->node_min_pfn; vec = ~map[idx / BITS_PER_LONG]; if (aligned && vec == ~0UL && start + BITS_PER_LONG < end) { int order = ilog2(BITS_PER_LONG); __free_pages_bootmem(pfn_to_page(start), order); count += BITS_PER_LONG; } else { unsigned long off = 0; while (vec && off < BITS_PER_LONG) { if (vec & 1) { page = pfn_to_page(start + off); __free_pages_bootmem(page, 0); count++; } vec >>= 1; off++; } } start += BITS_PER_LONG; } page = virt_to_page(bdata->node_bootmem_map); pages = bdata->node_low_pfn - bdata->node_min_pfn; pages = bootmem_bootmap_pages(pages); count += pages; while (pages--) __free_pages_bootmem(page++, 0); bdebug("nid=%td released=%lx\n", bdata - bootmem_node_data, count); return count; } /** * free_all_bootmem_node - release a node's free pages to the buddy allocator * @pgdat: node to be released * * Returns the number of pages actually released. */ unsigned long __init free_all_bootmem_node(pg_data_t *pgdat) { register_page_bootmem_info_node(pgdat); return free_all_bootmem_core(pgdat->bdata); } /** * free_all_bootmem - release free pages to the buddy allocator * * Returns the number of pages actually released. */ unsigned long __init free_all_bootmem(void) { return free_all_bootmem_core(NODE_DATA(0)->bdata); } static void __init __free(bootmem_data_t *bdata, unsigned long sidx, unsigned long eidx) { unsigned long idx; bdebug("nid=%td start=%lx end=%lx\n", bdata - bootmem_node_data, sidx + bdata->node_min_pfn, eidx + bdata->node_min_pfn); if (bdata->hint_idx > sidx) bdata->hint_idx = sidx; for (idx = sidx; idx < eidx; idx++) if (!test_and_clear_bit(idx, bdata->node_bootmem_map)) BUG(); } static int __init __reserve(bootmem_data_t *bdata, unsigned long sidx, unsigned long eidx, int flags) { unsigned long idx; int exclusive = flags & BOOTMEM_EXCLUSIVE; bdebug("nid=%td start=%lx end=%lx flags=%x\n", bdata - bootmem_node_data, sidx + bdata->node_min_pfn, eidx + bdata->node_min_pfn, flags); for (idx = sidx; idx < eidx; idx++) if (test_and_set_bit(idx, bdata->node_bootmem_map)) { if (exclusive) { __free(bdata, sidx, idx); return -EBUSY; } bdebug("silent double reserve of PFN %lx\n", idx + bdata->node_min_pfn); } return 0; } static int __init mark_bootmem_node(bootmem_data_t *bdata, unsigned long start, unsigned long end, int reserve, int flags) { unsigned long sidx, eidx; bdebug("nid=%td start=%lx end=%lx reserve=%d flags=%x\n", bdata - bootmem_node_data, start, end, reserve, flags); BUG_ON(start < bdata->node_min_pfn); BUG_ON(end > bdata->node_low_pfn); sidx = start - bdata->node_min_pfn; eidx = end - bdata->node_min_pfn; if (reserve) return __reserve(bdata, sidx, eidx, flags); else __free(bdata, sidx, eidx); return 0; } static int __init mark_bootmem(unsigned long start, unsigned long end, int reserve, int flags) { unsigned long pos; bootmem_data_t *bdata; pos = start; list_for_each_entry(bdata, &bdata_list, list) { int err; unsigned long max; if (pos < bdata->node_min_pfn || pos >= bdata->node_low_pfn) { BUG_ON(pos != start); continue; } max = min(bdata->node_low_pfn, end); err = mark_bootmem_node(bdata, pos, max, reserve, flags); if (reserve && err) { mark_bootmem(start, pos, 0, 0); return err; } if (max == end) return 0; pos = bdata->node_low_pfn; } BUG(); } /** * free_bootmem_node - mark a page range as usable * @pgdat: node the range resides on * @physaddr: starting address of the range * @size: size of the range in bytes * * Partial pages will be considered reserved and left as they are. * * The range must reside completely on the specified node. */ void __init free_bootmem_node(pg_data_t *pgdat, unsigned long physaddr, unsigned long size) {


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