diff options
Diffstat (limited to 'arch/openrisc/include')
-rw-r--r-- | arch/openrisc/include/asm/prom.h | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/arch/openrisc/include/asm/prom.h b/arch/openrisc/include/asm/prom.h new file mode 100644 index 000000000000..e1f3fe26606c --- /dev/null +++ b/arch/openrisc/include/asm/prom.h @@ -0,0 +1,77 @@ +/* + * OpenRISC Linux + * + * Linux architectural port borrowing liberally from similar works of + * others. All original copyrights apply as per the original source + * declaration. + * + * OpenRISC implementation: + * Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se> + * et al. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ + +#include <linux/of.h> /* linux/of.h gets to determine #include ordering */ + +#ifndef _ASM_OPENRISC_PROM_H +#define _ASM_OPENRISC_PROM_H +#ifdef __KERNEL__ +#ifndef __ASSEMBLY__ + +#include <linux/types.h> +#include <asm/irq.h> +#include <linux/atomic.h> +#include <linux/of_irq.h> +#include <linux/of_fdt.h> +#include <linux/of_address.h> +#include <linux/proc_fs.h> +#include <linux/platform_device.h> +#define HAVE_ARCH_DEVTREE_FIXUPS + +/* Other Prototypes */ +extern int early_uartlite_console(void); + +/* Parse the ibm,dma-window property of an OF node into the busno, phys and + * size parameters. + */ +void of_parse_dma_window(struct device_node *dn, const void *dma_window_prop, + unsigned long *busno, unsigned long *phys, unsigned long *size); + +extern void kdump_move_device_tree(void); + +/* CPU OF node matching */ +struct device_node *of_get_cpu_node(int cpu, unsigned int *thread); + +/* Get the MAC address */ +extern const void *of_get_mac_address(struct device_node *np); + +/** + * of_irq_map_pci - Resolve the interrupt for a PCI device + * @pdev: the device whose interrupt is to be resolved + * @out_irq: structure of_irq filled by this function + * + * This function resolves the PCI interrupt for a given PCI device. If a + * device-node exists for a given pci_dev, it will use normal OF tree + * walking. If not, it will implement standard swizzling and walk up the + * PCI tree until an device-node is found, at which point it will finish + * resolving using the OF tree walking. + */ +struct pci_dev; +extern int of_irq_map_pci(struct pci_dev *pdev, struct of_irq *out_irq); + +/* This routine is here to provide compatibility with how powerpc + * handles IRQ mapping for OF device nodes. We precompute and permanently + * register them in the platform_device objects, whereas powerpc computes them + * on request. + */ +static inline void irq_dispose_mapping(unsigned int virq) +{ +} + +#endif /* __ASSEMBLY__ */ +#endif /* __KERNEL__ */ +#endif /* _ASM_OPENRISC_PROM_H */ |