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 void * __iomem __iop13xx_io(unsigned long io_addr)
28 void __iomem * io_virt;
31 case IOP13XX_PCIE_LOWER_IO_PA ... IOP13XX_PCIE_UPPER_IO_PA:
32 io_virt = (void *) IOP13XX_PCIE_IO_PHYS_TO_VIRT(io_addr);
34 case IOP13XX_PCIX_LOWER_IO_PA ... IOP13XX_PCIX_UPPER_IO_PA:
35 io_virt = (void *) IOP13XX_PCIX_IO_PHYS_TO_VIRT(io_addr);
43 EXPORT_SYMBOL(__iop13xx_io);
45 static void __iomem *__iop13xx_ioremap_caller(unsigned long cookie,
46 size_t size, unsigned int mtype, void *caller)
48 void __iomem * retval;
51 case IOP13XX_PCIX_LOWER_MEM_RA ... IOP13XX_PCIX_UPPER_MEM_RA:
52 if (unlikely(!iop13xx_atux_mem_base))
55 retval = (void *)(iop13xx_atux_mem_base +
56 (cookie - IOP13XX_PCIX_LOWER_MEM_RA));
58 case IOP13XX_PCIE_LOWER_MEM_RA ... IOP13XX_PCIE_UPPER_MEM_RA:
59 if (unlikely(!iop13xx_atue_mem_base))
62 retval = (void *)(iop13xx_atue_mem_base +
63 (cookie - IOP13XX_PCIE_LOWER_MEM_RA));
65 case IOP13XX_PBI_LOWER_MEM_RA ... IOP13XX_PBI_UPPER_MEM_RA:
66 retval = __arm_ioremap_caller(IOP13XX_PBI_LOWER_MEM_PA +
67 (cookie - IOP13XX_PBI_LOWER_MEM_RA),
68 size, mtype, __builtin_return_address(0));
70 case IOP13XX_PCIE_LOWER_IO_PA ... IOP13XX_PCIE_UPPER_IO_PA:
71 retval = (void *) IOP13XX_PCIE_IO_PHYS_TO_VIRT(cookie);
73 case IOP13XX_PCIX_LOWER_IO_PA ... IOP13XX_PCIX_UPPER_IO_PA:
74 retval = (void *) IOP13XX_PCIX_IO_PHYS_TO_VIRT(cookie);
76 case IOP13XX_PMMR_PHYS_MEM_BASE ... IOP13XX_PMMR_UPPER_MEM_PA:
77 retval = (void *) IOP13XX_PMMR_PHYS_TO_VIRT(cookie);
80 retval = __arm_ioremap_caller(cookie, size, mtype,
87 static void __iop13xx_iounmap(volatile void __iomem *addr)
89 if (iop13xx_atue_mem_base)
90 if (addr >= (void __iomem *) iop13xx_atue_mem_base &&
91 addr < (void __iomem *) (iop13xx_atue_mem_base +
92 iop13xx_atue_mem_size))
95 if (iop13xx_atux_mem_base)
96 if (addr >= (void __iomem *) iop13xx_atux_mem_base &&
97 addr < (void __iomem *) (iop13xx_atux_mem_base +
98 iop13xx_atux_mem_size))
101 switch ((u32) addr) {
102 case IOP13XX_PCIE_LOWER_IO_VA ... IOP13XX_PCIE_UPPER_IO_VA:
103 case IOP13XX_PCIX_LOWER_IO_VA ... IOP13XX_PCIX_UPPER_IO_VA:
104 case IOP13XX_PMMR_VIRT_MEM_BASE ... IOP13XX_PMMR_UPPER_MEM_VA:
113 void __init iop13xx_init_early(void)
115 arch_ioremap_caller = __iop13xx_ioremap_caller;
116 arch_iounmap = __iop13xx_iounmap;