2 * iop13xx custom ioremap implementation
3 * Copyright (c) 2005-2006, Intel Corporation.
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms and conditions of the GNU General Public License,
7 * version 2, as published by the Free Software Foundation.
9 * This program is distributed in the hope it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
14 * You should have received a copy of the GNU General Public License along with
15 * this program; if not, write to the Free Software Foundation, Inc., 59 Temple
16 * Place - Suite 330, Boston, MA 02111-1307 USA.
19 #include <linux/kernel.h>
20 #include <linux/module.h>
22 #include <mach/hardware.h>
26 static void __iomem *__iop13xx_ioremap_caller(phys_addr_t cookie,
27 size_t size, unsigned int mtype, void *caller)
29 void __iomem * retval;
32 case IOP13XX_PCIX_LOWER_MEM_RA ... IOP13XX_PCIX_UPPER_MEM_RA:
33 if (unlikely(!iop13xx_atux_mem_base))
36 retval = (iop13xx_atux_mem_base +
37 (cookie - IOP13XX_PCIX_LOWER_MEM_RA));
39 case IOP13XX_PCIE_LOWER_MEM_RA ... IOP13XX_PCIE_UPPER_MEM_RA:
40 if (unlikely(!iop13xx_atue_mem_base))
43 retval = (iop13xx_atue_mem_base +
44 (cookie - IOP13XX_PCIE_LOWER_MEM_RA));
46 case IOP13XX_PBI_LOWER_MEM_RA ... IOP13XX_PBI_UPPER_MEM_RA:
47 retval = __arm_ioremap_caller(IOP13XX_PBI_LOWER_MEM_PA +
48 (cookie - IOP13XX_PBI_LOWER_MEM_RA),
49 size, mtype, __builtin_return_address(0));
51 case IOP13XX_PMMR_PHYS_MEM_BASE ... IOP13XX_PMMR_UPPER_MEM_PA:
52 retval = IOP13XX_PMMR_PHYS_TO_VIRT(cookie);
55 retval = __arm_ioremap_caller(cookie, size, mtype,
62 static void __iop13xx_iounmap(volatile void __iomem *addr)
64 if (iop13xx_atue_mem_base)
65 if (addr >= (void __iomem *) iop13xx_atue_mem_base &&
66 addr < (void __iomem *) (iop13xx_atue_mem_base +
67 iop13xx_atue_mem_size))
70 if (iop13xx_atux_mem_base)
71 if (addr >= (void __iomem *) iop13xx_atux_mem_base &&
72 addr < (void __iomem *) (iop13xx_atux_mem_base +
73 iop13xx_atux_mem_size))
77 case (u32)IOP13XX_PMMR_VIRT_MEM_BASE ... (u32)IOP13XX_PMMR_UPPER_MEM_VA:
86 void __init iop13xx_init_early(void)
88 arch_ioremap_caller = __iop13xx_ioremap_caller;
89 arch_iounmap = __iop13xx_iounmap;