Ejemplo n.º 1
0
static void __iomem *ixp4xx_ioremap_caller(unsigned long addr, size_t size,
					   unsigned int mtype, void *caller)
{
	if (!is_pci_memory(addr))
		return __arm_ioremap_caller(addr, size, mtype, caller);

	return (void __iomem *)addr;
}
Ejemplo n.º 2
0
void * __iomem __iop13xx_ioremap(unsigned long cookie, size_t size,
	unsigned int mtype)
{
	void __iomem * retval;

	switch (cookie) {
	case IOP13XX_PCIX_LOWER_MEM_RA ... IOP13XX_PCIX_UPPER_MEM_RA:
		if (unlikely(!iop13xx_atux_mem_base))
			retval = NULL;
		else
			retval = (void *)(iop13xx_atux_mem_base +
			         (cookie - IOP13XX_PCIX_LOWER_MEM_RA));
		break;
	case IOP13XX_PCIE_LOWER_MEM_RA ... IOP13XX_PCIE_UPPER_MEM_RA:
		if (unlikely(!iop13xx_atue_mem_base))
			retval = NULL;
		else
			retval = (void *)(iop13xx_atue_mem_base +
			         (cookie - IOP13XX_PCIE_LOWER_MEM_RA));
		break;
	case IOP13XX_PBI_LOWER_MEM_RA ... IOP13XX_PBI_UPPER_MEM_RA:
		retval = __arm_ioremap_caller(IOP13XX_PBI_LOWER_MEM_PA +
				       (cookie - IOP13XX_PBI_LOWER_MEM_RA),
				       size, mtype, __builtin_return_address(0));
		break;
	case IOP13XX_PCIE_LOWER_IO_PA ... IOP13XX_PCIE_UPPER_IO_PA:
		retval = (void *) IOP13XX_PCIE_IO_PHYS_TO_VIRT(cookie);
		break;
	case IOP13XX_PCIX_LOWER_IO_PA ... IOP13XX_PCIX_UPPER_IO_PA:
		retval = (void *) IOP13XX_PCIX_IO_PHYS_TO_VIRT(cookie);
		break;
	case IOP13XX_PMMR_PHYS_MEM_BASE ... IOP13XX_PMMR_UPPER_MEM_PA:
		retval = (void *) IOP13XX_PMMR_PHYS_TO_VIRT(cookie);
		break;
	default:
		retval = __arm_ioremap_caller(cookie, size, mtype,
				__builtin_return_address(0));
	}

	return retval;
}
Ejemplo n.º 3
0
/*
 * Remap an arbitrary physical address space into the kernel virtual
 * address space as memory. Needed when the kernel wants to execute
 * code in external memory. This is needed for reprogramming source
 * clocks that would affect normal memory for example. Please see
 * CONFIG_GENERIC_ALLOCATOR for allocating external memory.
 */
void __iomem *
__arm_ioremap_exec(unsigned long phys_addr, size_t size, bool cached)
{
	unsigned int mtype;

	if (cached)
		mtype = MT_MEMORY;
	else
		mtype = MT_MEMORY_NONCACHED;

	return __arm_ioremap_caller(phys_addr, size, mtype,
			__builtin_return_address(0));
}
Ejemplo n.º 4
0
void __iomem *davinci_ioremap(unsigned long p, size_t size, unsigned int type)
{
	struct map_desc *desc = davinci_soc_info.io_desc;
	int desc_num = davinci_soc_info.io_desc_num;
	int i;

	for (i = 0; i < desc_num; i++, desc++) {
		unsigned long iophys = __pfn_to_phys(desc->pfn);
		unsigned long iosize = desc->length;

		if (p >= iophys && (p + size) <= (iophys + iosize))
			return __io(desc->virtual + p - iophys);
	}

	return __arm_ioremap_caller(p, size, type,
					__builtin_return_address(0));
}
Ejemplo n.º 5
0
void * __iomem __iop3xx_ioremap(unsigned long cookie, size_t size,
	unsigned int mtype)
{
	void __iomem * retval;

	switch (cookie) {
	case IOP3XX_PCI_LOWER_IO_PA ... IOP3XX_PCI_UPPER_IO_PA:
		retval = (void *) IOP3XX_PCI_IO_PHYS_TO_VIRT(cookie);
		break;
	case IOP3XX_PERIPHERAL_PHYS_BASE ... IOP3XX_PERIPHERAL_UPPER_PA:
		retval = (void *) IOP3XX_PMMR_PHYS_TO_VIRT(cookie);
		break;
	default:
		retval = __arm_ioremap_caller(cookie, size, mtype,
				__builtin_return_address(0));
	}

	return retval;
}
Ejemplo n.º 6
0
void __iomem *
__arm_ioremap(unsigned long phys_addr, size_t size, unsigned int mtype)
{
	return __arm_ioremap_caller(phys_addr, size, mtype,
			__builtin_return_address(0));
}
Ejemplo n.º 7
0
Archivo: io.c Proyecto: 5victor/linux
/*
 * Intercept ioremap() requests for addresses in our fixed mapping regions.
 */
void __iomem *omap_ioremap(unsigned long p, size_t size, unsigned int type)
{

	WARN(!initialized, "Do not use ioremap before init_early\n");

#ifdef CONFIG_ARCH_OMAP1
	if (cpu_class_is_omap1()) {
		if (BETWEEN(p, OMAP1_IO_PHYS, OMAP1_IO_SIZE))
			return XLATE(p, OMAP1_IO_PHYS, OMAP1_IO_VIRT);
	}
	if (cpu_is_omap7xx()) {
		if (BETWEEN(p, OMAP7XX_DSP_BASE, OMAP7XX_DSP_SIZE))
			return XLATE(p, OMAP7XX_DSP_BASE, OMAP7XX_DSP_START);

		if (BETWEEN(p, OMAP7XX_DSPREG_BASE, OMAP7XX_DSPREG_SIZE))
			return XLATE(p, OMAP7XX_DSPREG_BASE,
					OMAP7XX_DSPREG_START);
	}
	if (cpu_is_omap15xx()) {
		if (BETWEEN(p, OMAP1510_DSP_BASE, OMAP1510_DSP_SIZE))
			return XLATE(p, OMAP1510_DSP_BASE, OMAP1510_DSP_START);

		if (BETWEEN(p, OMAP1510_DSPREG_BASE, OMAP1510_DSPREG_SIZE))
			return XLATE(p, OMAP1510_DSPREG_BASE,
					OMAP1510_DSPREG_START);
	}
	if (cpu_is_omap16xx()) {
		if (BETWEEN(p, OMAP16XX_DSP_BASE, OMAP16XX_DSP_SIZE))
			return XLATE(p, OMAP16XX_DSP_BASE, OMAP16XX_DSP_START);

		if (BETWEEN(p, OMAP16XX_DSPREG_BASE, OMAP16XX_DSPREG_SIZE))
			return XLATE(p, OMAP16XX_DSPREG_BASE,
					OMAP16XX_DSPREG_START);
	}
#endif
#ifdef CONFIG_ARCH_OMAP2
	if (cpu_is_omap24xx()) {
		if (BETWEEN(p, L3_24XX_PHYS, L3_24XX_SIZE))
			return XLATE(p, L3_24XX_PHYS, L3_24XX_VIRT);
		if (BETWEEN(p, L4_24XX_PHYS, L4_24XX_SIZE))
			return XLATE(p, L4_24XX_PHYS, L4_24XX_VIRT);
	}
	if (cpu_is_omap2420()) {
		if (BETWEEN(p, DSP_MEM_2420_PHYS, DSP_MEM_2420_SIZE))
			return XLATE(p, DSP_MEM_2420_PHYS, DSP_MEM_2420_VIRT);
		if (BETWEEN(p, DSP_IPI_2420_PHYS, DSP_IPI_2420_SIZE))
			return XLATE(p, DSP_IPI_2420_PHYS, DSP_IPI_2420_SIZE);
		if (BETWEEN(p, DSP_MMU_2420_PHYS, DSP_MMU_2420_SIZE))
			return XLATE(p, DSP_MMU_2420_PHYS, DSP_MMU_2420_VIRT);
	}
	if (cpu_is_omap2430()) {
		if (BETWEEN(p, L4_WK_243X_PHYS, L4_WK_243X_SIZE))
			return XLATE(p, L4_WK_243X_PHYS, L4_WK_243X_VIRT);
		if (BETWEEN(p, OMAP243X_GPMC_PHYS, OMAP243X_GPMC_SIZE))
			return XLATE(p, OMAP243X_GPMC_PHYS, OMAP243X_GPMC_VIRT);
		if (BETWEEN(p, OMAP243X_SDRC_PHYS, OMAP243X_SDRC_SIZE))
			return XLATE(p, OMAP243X_SDRC_PHYS, OMAP243X_SDRC_VIRT);
		if (BETWEEN(p, OMAP243X_SMS_PHYS, OMAP243X_SMS_SIZE))
			return XLATE(p, OMAP243X_SMS_PHYS, OMAP243X_SMS_VIRT);
	}
#endif
#ifdef CONFIG_ARCH_OMAP3
	if (cpu_is_ti816x()) {
		if (BETWEEN(p, L4_34XX_PHYS, L4_34XX_SIZE))
			return XLATE(p, L4_34XX_PHYS, L4_34XX_VIRT);
	} else if (cpu_is_omap34xx()) {
		if (BETWEEN(p, L3_34XX_PHYS, L3_34XX_SIZE))
			return XLATE(p, L3_34XX_PHYS, L3_34XX_VIRT);
		if (BETWEEN(p, L4_34XX_PHYS, L4_34XX_SIZE))
			return XLATE(p, L4_34XX_PHYS, L4_34XX_VIRT);
		if (BETWEEN(p, OMAP34XX_GPMC_PHYS, OMAP34XX_GPMC_SIZE))
			return XLATE(p, OMAP34XX_GPMC_PHYS, OMAP34XX_GPMC_VIRT);
		if (BETWEEN(p, OMAP343X_SMS_PHYS, OMAP343X_SMS_SIZE))
			return XLATE(p, OMAP343X_SMS_PHYS, OMAP343X_SMS_VIRT);
		if (BETWEEN(p, OMAP343X_SDRC_PHYS, OMAP343X_SDRC_SIZE))
			return XLATE(p, OMAP343X_SDRC_PHYS, OMAP343X_SDRC_VIRT);
		if (BETWEEN(p, L4_PER_34XX_PHYS, L4_PER_34XX_SIZE))
			return XLATE(p, L4_PER_34XX_PHYS, L4_PER_34XX_VIRT);
		if (BETWEEN(p, L4_EMU_34XX_PHYS, L4_EMU_34XX_SIZE))
			return XLATE(p, L4_EMU_34XX_PHYS, L4_EMU_34XX_VIRT);
	}
#endif
#ifdef CONFIG_ARCH_OMAP4
	if (cpu_is_omap44xx()) {
		if (BETWEEN(p, L3_44XX_PHYS, L3_44XX_SIZE))
			return XLATE(p, L3_44XX_PHYS, L3_44XX_VIRT);
		if (BETWEEN(p, L4_44XX_PHYS, L4_44XX_SIZE))
			return XLATE(p, L4_44XX_PHYS, L4_44XX_VIRT);
		if (BETWEEN(p, OMAP44XX_GPMC_PHYS, OMAP44XX_GPMC_SIZE))
			return XLATE(p, OMAP44XX_GPMC_PHYS, OMAP44XX_GPMC_VIRT);
		if (BETWEEN(p, OMAP44XX_EMIF1_PHYS, OMAP44XX_EMIF1_SIZE))
			return XLATE(p, OMAP44XX_EMIF1_PHYS,		\
							OMAP44XX_EMIF1_VIRT);
		if (BETWEEN(p, OMAP44XX_EMIF2_PHYS, OMAP44XX_EMIF2_SIZE))
			return XLATE(p, OMAP44XX_EMIF2_PHYS,		\
							OMAP44XX_EMIF2_VIRT);
		if (BETWEEN(p, OMAP44XX_DMM_PHYS, OMAP44XX_DMM_SIZE))
			return XLATE(p, OMAP44XX_DMM_PHYS, OMAP44XX_DMM_VIRT);
		if (BETWEEN(p, L4_PER_44XX_PHYS, L4_PER_44XX_SIZE))
			return XLATE(p, L4_PER_44XX_PHYS, L4_PER_44XX_VIRT);
		if (BETWEEN(p, L4_EMU_44XX_PHYS, L4_EMU_44XX_SIZE))
			return XLATE(p, L4_EMU_44XX_PHYS, L4_EMU_44XX_VIRT);
	}
#endif
	return __arm_ioremap_caller(p, size, type, __builtin_return_address(0));
}