diff options
Diffstat (limited to 'arch/mips/lantiq/xway/ebu.c')
| -rw-r--r-- | arch/mips/lantiq/xway/ebu.c | 52 |
1 files changed, 0 insertions, 52 deletions
diff --git a/arch/mips/lantiq/xway/ebu.c b/arch/mips/lantiq/xway/ebu.c deleted file mode 100644 index 862e3e830680..000000000000 --- a/arch/mips/lantiq/xway/ebu.c +++ /dev/null @@ -1,52 +0,0 @@ -/* - * 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. - * - * EBU - the external bus unit attaches PCI, NOR and NAND - * - * Copyright (C) 2010 John Crispin <blogic@openwrt.org> - */ - -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/ioport.h> - -#include <lantiq_soc.h> - -/* all access to the ebu must be locked */ -DEFINE_SPINLOCK(ebu_lock); -EXPORT_SYMBOL_GPL(ebu_lock); - -static struct resource ltq_ebu_resource = { - .name = "ebu", - .start = LTQ_EBU_BASE_ADDR, - .end = LTQ_EBU_BASE_ADDR + LTQ_EBU_SIZE - 1, - .flags = IORESOURCE_MEM, -}; - -/* remapped base addr of the clock unit and external bus unit */ -void __iomem *ltq_ebu_membase; - -static int __init lantiq_ebu_init(void) -{ - /* insert and request the memory region */ - if (insert_resource(&iomem_resource, <q_ebu_resource) < 0) - panic("Failed to insert ebu memory"); - - if (request_mem_region(ltq_ebu_resource.start, - resource_size(<q_ebu_resource), "ebu") < 0) - panic("Failed to request ebu memory"); - - /* remap ebu register range */ - ltq_ebu_membase = ioremap_nocache(ltq_ebu_resource.start, - resource_size(<q_ebu_resource)); - if (!ltq_ebu_membase) - panic("Failed to remap ebu memory"); - - /* make sure to unprotect the memory region where flash is located */ - ltq_ebu_w32(ltq_ebu_r32(LTQ_EBU_BUSCON0) & ~EBU_WRDIS, LTQ_EBU_BUSCON0); - return 0; -} - -postcore_initcall(lantiq_ebu_init); |