Dan Williams | 6df2670 | 2007-02-13 17:11:04 +0100 | [diff] [blame] | 1 | /* |
| 2 | * iop3xx custom ioremap implementation |
| 3 | * Copyright (c) 2006, Intel Corporation. |
| 4 | * |
| 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. |
| 8 | * |
| 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 |
| 12 | * more details. |
| 13 | * |
| 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. |
| 17 | * |
| 18 | */ |
| 19 | #include <linux/kernel.h> |
| 20 | #include <linux/module.h> |
Russell King | fced80c | 2008-09-06 12:10:45 +0100 | [diff] [blame] | 21 | #include <linux/io.h> |
Russell King | a09e64f | 2008-08-05 16:14:15 +0100 | [diff] [blame] | 22 | #include <mach/hardware.h> |
Dan Williams | 6df2670 | 2007-02-13 17:11:04 +0100 | [diff] [blame] | 23 | |
| 24 | void * __iomem __iop3xx_ioremap(unsigned long cookie, size_t size, |
Russell King | 3603ab2 | 2007-05-05 20:59:27 +0100 | [diff] [blame] | 25 | unsigned int mtype) |
Dan Williams | 6df2670 | 2007-02-13 17:11:04 +0100 | [diff] [blame] | 26 | { |
| 27 | void __iomem * retval; |
| 28 | |
| 29 | switch (cookie) { |
| 30 | case IOP3XX_PCI_LOWER_IO_PA ... IOP3XX_PCI_UPPER_IO_PA: |
| 31 | retval = (void *) IOP3XX_PCI_IO_PHYS_TO_VIRT(cookie); |
| 32 | break; |
| 33 | case IOP3XX_PERIPHERAL_PHYS_BASE ... IOP3XX_PERIPHERAL_UPPER_PA: |
| 34 | retval = (void *) IOP3XX_PMMR_PHYS_TO_VIRT(cookie); |
| 35 | break; |
| 36 | default: |
Russell King | 31aa8fd | 2009-12-18 11:10:03 +0000 | [diff] [blame] | 37 | retval = __arm_ioremap_caller(cookie, size, mtype, |
| 38 | __builtin_return_address(0)); |
Dan Williams | 6df2670 | 2007-02-13 17:11:04 +0100 | [diff] [blame] | 39 | } |
| 40 | |
| 41 | return retval; |
| 42 | } |
| 43 | EXPORT_SYMBOL(__iop3xx_ioremap); |
| 44 | |
| 45 | void __iop3xx_iounmap(void __iomem *addr) |
| 46 | { |
| 47 | extern void __iounmap(volatile void __iomem *addr); |
| 48 | |
| 49 | switch ((u32) addr) { |
| 50 | case IOP3XX_PCI_LOWER_IO_VA ... IOP3XX_PCI_UPPER_IO_VA: |
| 51 | case IOP3XX_PERIPHERAL_VIRT_BASE ... IOP3XX_PERIPHERAL_UPPER_VA: |
| 52 | goto skip; |
| 53 | } |
| 54 | __iounmap(addr); |
| 55 | |
| 56 | skip: |
| 57 | return; |
| 58 | } |
| 59 | EXPORT_SYMBOL(__iop3xx_iounmap); |