1 // SPDX-License-Identifier: GPL-2.0-only
3 * iop13xx custom ioremap implementation
4 * Copyright (c) 2005-2006, Intel Corporation.
6 #include <linux/kernel.h>
7 #include <linux/module.h>
9 #include <mach/hardware.h>
13 static void __iomem *__iop13xx_ioremap_caller(phys_addr_t cookie,
14 size_t size, unsigned int mtype, void *caller)
16 void __iomem * retval;
19 case IOP13XX_PCIX_LOWER_MEM_RA ... IOP13XX_PCIX_UPPER_MEM_RA:
20 if (unlikely(!iop13xx_atux_mem_base))
23 retval = (iop13xx_atux_mem_base +
24 (cookie - IOP13XX_PCIX_LOWER_MEM_RA));
26 case IOP13XX_PCIE_LOWER_MEM_RA ... IOP13XX_PCIE_UPPER_MEM_RA:
27 if (unlikely(!iop13xx_atue_mem_base))
30 retval = (iop13xx_atue_mem_base +
31 (cookie - IOP13XX_PCIE_LOWER_MEM_RA));
33 case IOP13XX_PBI_LOWER_MEM_RA ... IOP13XX_PBI_UPPER_MEM_RA:
34 retval = __arm_ioremap_caller(IOP13XX_PBI_LOWER_MEM_PA +
35 (cookie - IOP13XX_PBI_LOWER_MEM_RA),
36 size, mtype, __builtin_return_address(0));
38 case IOP13XX_PMMR_PHYS_MEM_BASE ... IOP13XX_PMMR_UPPER_MEM_PA:
39 retval = IOP13XX_PMMR_PHYS_TO_VIRT(cookie);
42 retval = __arm_ioremap_caller(cookie, size, mtype,
49 static void __iop13xx_iounmap(volatile void __iomem *addr)
51 if (iop13xx_atue_mem_base)
52 if (addr >= (void __iomem *) iop13xx_atue_mem_base &&
53 addr < (void __iomem *) (iop13xx_atue_mem_base +
54 iop13xx_atue_mem_size))
57 if (iop13xx_atux_mem_base)
58 if (addr >= (void __iomem *) iop13xx_atux_mem_base &&
59 addr < (void __iomem *) (iop13xx_atux_mem_base +
60 iop13xx_atux_mem_size))
64 case (u32)IOP13XX_PMMR_VIRT_MEM_BASE ... (u32)IOP13XX_PMMR_UPPER_MEM_VA:
73 void __init iop13xx_init_early(void)
75 arch_ioremap_caller = __iop13xx_ioremap_caller;
76 arch_iounmap = __iop13xx_iounmap;