diff options
Diffstat (limited to 'arch/mips/cavium-octeon/setup.c')
| -rw-r--r-- | arch/mips/cavium-octeon/setup.c | 32 |
1 files changed, 30 insertions, 2 deletions
diff --git a/arch/mips/cavium-octeon/setup.c b/arch/mips/cavium-octeon/setup.c index 48b08eb9d9e4..331b837cec57 100644 --- a/arch/mips/cavium-octeon/setup.c +++ b/arch/mips/cavium-octeon/setup.c @@ -8,6 +8,7 @@ * written by Ralf Baechle <ralf@linux-mips.org> */ #include <linux/compiler.h> +#include <linux/vmalloc.h> #include <linux/init.h> #include <linux/kernel.h> #include <linux/console.h> @@ -998,7 +999,7 @@ void __init plat_mem_setup(void) if (total == 0) panic("Unable to allocate memory from " - "cvmx_bootmem_phy_alloc\n"); + "cvmx_bootmem_phy_alloc"); } /* @@ -1080,7 +1081,7 @@ void __init device_tree_init(void) /* Copy the default tree from init memory. */ initial_boot_params = early_init_dt_alloc_memory_arch(dt_size, 8); if (initial_boot_params == NULL) - panic("Could not allocate initial_boot_params\n"); + panic("Could not allocate initial_boot_params"); memcpy(initial_boot_params, fdt, dt_size); if (do_prune) { @@ -1139,3 +1140,30 @@ static int __init edac_devinit(void) return err; } device_initcall(edac_devinit); + +static void __initdata *octeon_dummy_iospace; + +static int __init octeon_no_pci_init(void) +{ + /* + * Initially assume there is no PCI. The PCI/PCIe platform code will + * later re-initialize these to correct values if they are present. + */ + octeon_dummy_iospace = vzalloc(IO_SPACE_LIMIT); + set_io_port_base((unsigned long)octeon_dummy_iospace); + ioport_resource.start = MAX_RESOURCE; + ioport_resource.end = 0; + return 0; +} +core_initcall(octeon_no_pci_init); + +static int __init octeon_no_pci_release(void) +{ + /* + * Release the allocated memory if a real IO space is there. + */ + if ((unsigned long)octeon_dummy_iospace != mips_io_port_base) + vfree(octeon_dummy_iospace); + return 0; +} +late_initcall(octeon_no_pci_release); |