diff options
Diffstat (limited to 'arch/tile/kernel/setup.c')
| -rw-r--r-- | arch/tile/kernel/setup.c | 35 |
1 files changed, 16 insertions, 19 deletions
diff --git a/arch/tile/kernel/setup.c b/arch/tile/kernel/setup.c index fdde3b6..2b8b689 100644 --- a/arch/tile/kernel/setup.c +++ b/arch/tile/kernel/setup.c @@ -23,6 +23,7 @@ #include <linux/irq.h> #include <linux/kexec.h> #include <linux/pci.h> +#include <linux/swiotlb.h> #include <linux/initrd.h> #include <linux/io.h> #include <linux/highmem.h> @@ -109,7 +110,7 @@ static unsigned int __initdata maxnodemem_pfn[MAX_NUMNODES] = { }; static nodemask_t __initdata isolnodes; -#ifdef CONFIG_PCI +#if defined(CONFIG_PCI) && !defined(__tilegx__) enum { DEFAULT_PCI_RESERVE_MB = 64 }; static unsigned int __initdata pci_reserve_mb = DEFAULT_PCI_RESERVE_MB; unsigned long __initdata pci_reserve_start_pfn = -1U; @@ -160,7 +161,7 @@ static int __init setup_isolnodes(char *str) } early_param("isolnodes", setup_isolnodes); -#ifdef CONFIG_PCI +#if defined(CONFIG_PCI) && !defined(__tilegx__) static int __init setup_pci_reserve(char* str) { unsigned long mb; @@ -171,7 +172,7 @@ static int __init setup_pci_reserve(char* str) pci_reserve_mb = mb; pr_info("Reserving %dMB for PCIE root complex mappings\n", - pci_reserve_mb); + pci_reserve_mb); return 0; } early_param("pci_reserve", setup_pci_reserve); @@ -411,7 +412,7 @@ static void __init setup_memory(void) continue; } #endif -#ifdef CONFIG_PCI +#if defined(CONFIG_PCI) && !defined(__tilegx__) /* * Blocks that overlap the pci reserved region must * have enough space to hold the maximum percpu data @@ -604,11 +605,9 @@ static void __init setup_bootmem_allocator_node(int i) /* Free all the space back into the allocator. */ free_bootmem(PFN_PHYS(start), PFN_PHYS(end - start)); -#if defined(CONFIG_PCI) +#if defined(CONFIG_PCI) && !defined(__tilegx__) /* - * Throw away any memory aliased by the PCI region. FIXME: this - * is a temporary hack to work around bug 10502, and needs to be - * fixed properly. + * Throw away any memory aliased by the PCI region. */ if (pci_reserve_start_pfn < end && pci_reserve_end_pfn > start) reserve_bootmem(PFN_PHYS(pci_reserve_start_pfn), @@ -1353,8 +1352,7 @@ void __init setup_arch(char **cmdline_p) setup_cpu_maps(); -#ifdef CONFIG_PCI -#if !defined (__tilegx__) +#if defined(CONFIG_PCI) && !defined(__tilegx__) /* * Initialize the PCI structures. This is done before memory * setup so that we know whether or not a pci_reserve region @@ -1362,7 +1360,6 @@ void __init setup_arch(char **cmdline_p) */ if (tile_pci_init() == 0) pci_reserve_mb = 0; -#endif /* PCI systems reserve a region just below 4GB for mapping iomem. */ pci_reserve_end_pfn = (1 << (32 - PAGE_SHIFT)); @@ -1384,6 +1381,10 @@ void __init setup_arch(char **cmdline_p) * any memory using the bootmem allocator. */ +#ifdef CONFIG_SWIOTLB + swiotlb_init(0); +#endif + paging_init(); setup_numa_mapping(); zone_sizes_init(); @@ -1391,10 +1392,6 @@ void __init setup_arch(char **cmdline_p) setup_cpu(1); setup_clock(); load_hv_initrd(); - -#if defined(CONFIG_PCI) && defined (__tilegx__) - tile_pci_init(); -#endif } @@ -1538,11 +1535,11 @@ static struct resource code_resource = { }; /* - * We reserve all resources above 4GB so that PCI won't try to put + * On Pro, we reserve all resources above 4GB so that PCI won't try to put * mappings above 4GB; the standard allows that for some devices but * the probing code trunates values to 32 bits. */ -#ifdef CONFIG_PCI +#if defined(CONFIG_PCI) && !defined(__tilegx__) static struct resource* __init insert_non_bus_resource(void) { @@ -1588,7 +1585,7 @@ static int __init request_standard_resources(void) enum { CODE_DELTA = MEM_SV_INTRPT - PAGE_OFFSET }; iomem_resource.end = -1LL; -#ifdef CONFIG_PCI +#if defined(CONFIG_PCI) && !defined(__tilegx__) insert_non_bus_resource(); #endif @@ -1596,7 +1593,7 @@ static int __init request_standard_resources(void) u64 start_pfn = node_start_pfn[i]; u64 end_pfn = node_end_pfn[i]; -#ifdef CONFIG_PCI +#if defined(CONFIG_PCI) && !defined(__tilegx__) if (start_pfn <= pci_reserve_start_pfn && end_pfn > pci_reserve_start_pfn) { if (end_pfn > pci_reserve_end_pfn) |