diff options
Diffstat (limited to 'arch/powerpc/platforms/pasemi/iommu.c')
| -rw-r--r-- | arch/powerpc/platforms/pasemi/iommu.c | 35 |
1 files changed, 15 insertions, 20 deletions
diff --git a/arch/powerpc/platforms/pasemi/iommu.c b/arch/powerpc/platforms/pasemi/iommu.c index 7fec04de27fc..375487cba874 100644 --- a/arch/powerpc/platforms/pasemi/iommu.c +++ b/arch/powerpc/platforms/pasemi/iommu.c @@ -1,20 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Copyright (C) 2005-2008, PA Semi, Inc * * Maintained by: Olof Johansson <olof@lixom.net> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #undef DEBUG @@ -23,6 +11,7 @@ #include <linux/types.h> #include <linux/spinlock.h> #include <linux/pci.h> +#include <linux/of.h> #include <asm/iommu.h> #include <asm/machdep.h> #include <asm/firmware.h> @@ -158,7 +147,9 @@ static void iommu_table_iobmap_setup(void) */ iommu_table_iobmap.it_blocksize = 4; iommu_table_iobmap.it_ops = &iommu_table_iobmap_ops; - iommu_init_table(&iommu_table_iobmap, 0); + if (!iommu_init_table(&iommu_table_iobmap, 0, 0, 0)) + panic("Failed to initialize iommu table"); + pr_debug(" <- %s\n", __func__); } @@ -186,7 +177,7 @@ static void pci_dma_dev_setup_pasemi(struct pci_dev *dev) */ if (dev->vendor == 0x1959 && dev->device == 0xa007 && !firmware_has_feature(FW_FEATURE_LPAR)) { - dev->dev.dma_ops = &dma_direct_ops; + dev->dev.dma_ops = NULL; /* * Set the coherent DMA mask to prevent the iommu * being used unnecessarily @@ -208,12 +199,17 @@ static int __init iob_init(struct device_node *dn) pr_debug(" -> %s\n", __func__); /* For 2G space, 8x64 pages (2^21 bytes) is max total l2 size */ - iob_l2_base = (u32 *)__va(memblock_alloc_base(1UL<<21, 1UL<<21, 0x80000000)); + iob_l2_base = memblock_alloc_try_nid_raw(1UL << 21, 1UL << 21, + MEMBLOCK_LOW_LIMIT, 0x80000000, + NUMA_NO_NODE); + if (!iob_l2_base) + panic("%s: Failed to allocate %lu bytes align=0x%lx max_addr=%x\n", + __func__, 1UL << 21, 1UL << 21, 0x80000000); - printk(KERN_INFO "IOBMAP L2 allocated at: %p\n", iob_l2_base); + pr_info("IOBMAP L2 allocated at: %p\n", iob_l2_base); /* Allocate a spare page to map all invalid IOTLB pages. */ - tmp = memblock_alloc(IOBMAP_PAGE_SIZE, IOBMAP_PAGE_SIZE); + tmp = memblock_phys_alloc(IOBMAP_PAGE_SIZE, IOBMAP_PAGE_SIZE); if (!tmp) panic("IOBMAP: Cannot allocate spare page!"); /* Empty l1 is marked invalid */ @@ -258,7 +254,7 @@ void __init iommu_init_early_pasemi(void) iommu_off = 1; #else iommu_off = of_chosen && - of_get_property(of_chosen, "linux,iommu-off", NULL); + of_property_read_bool(of_chosen, "linux,iommu-off"); #endif if (iommu_off) return; @@ -269,4 +265,3 @@ void __init iommu_init_early_pasemi(void) pasemi_pci_controller_ops.dma_bus_setup = pci_dma_bus_setup_pasemi; set_pci_dma_ops(&dma_iommu_ops); } - |