#include /* linux/of.h gets to determine #include ordering */ #ifndef _POWERPC_PROM_H #define _POWERPC_PROM_H #ifdef __KERNEL__ /* * Definitions for talking to the Open Firmware PROM on * Power Macintosh computers. * * Copyright (C) 1996-2005 Paul Mackerras. * * Updates for PPC64 by Peter Bergner & David Engebretsen, IBM Corp. * * 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 #include #include #define HAVE_ARCH_DEVTREE_FIXUPS /* * OF address retreival & translation */ /* Translate a DMA address from device space to CPU space */ extern u64 of_translate_dma_address(struct device_node *dev, const __be32 *in_addr); #ifdef CONFIG_PCI extern unsigned long pci_address_to_pio(phys_addr_t address); #define pci_address_to_pio pci_address_to_pio #endif /* CONFIG_PCI */ /* 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); /* cache lookup */ struct device_node *of_find_next_cache_node(struct device_node *np); #ifdef CONFIG_NUMA extern int of_node_to_nid(struct device_node *device); #else static inline int of_node_to_nid(struct device_node *device) { return 0; } #endif #define of_node_to_nid of_node_to_nid extern void of_instantiate_rtc(void); /* The of_drconf_cell struct defines the layout of the LMB array * specified in the device tree property * ibm,dynamic-reconfiguration-memory/ibm,dynamic-memory */ struct of_drconf_cell { u64 base_addr; u32 drc_index; u32 reserved; u32 aa_index; u32 flags; }; #define DRCONF_MEM_ASSIGNED 0x00000008 #define DRCONF_MEM_AI_INVALID 0x00000040 #define DRCONF_MEM_RESERVED 0x00000080 /* * There are two methods for telling firmware what our capabilities are. * Newer machines have an "ibm,client-architecture-support" method on the * root node. For older machines, we have to call the "process-elf-header" * method in the /packages/elf-loader node, passing it a fake 32-bit * ELF header containing a couple of PT_NOTE sections that contain * structures that contain various information. */ /* New method - extensible architecture description vector. */ /* Option vector bits - generic bits in byte 1 */ #define OV_IGNORE 0x80 /* ignore this vector */ #define OV_CESSATION_POLICY 0x40 /* halt if unsupported option present*/ /* Option vector 1: processor architectures supported */ #define OV1_PPC_2_00 0x80 /* set if we support PowerPC 2.00 */ #define OV1_PPC_2_01 0x40 /* set if we support PowerPC 2.01 */ #define OV1_PPC_2_02 0x20 /* set if we support PowerPC 2.02 */ #define OV1_PPC_2_03 0x10 /* set if we support PowerPC 2.03 */ #define OV1_PPC_2_04 0x08 /* set if we support PowerPC 2.04 */ #define OV1_PPC_2_05 0x04 /* set if we support PowerPC 2.05 */ #define OV1_PPC_2_06 0x02 /* set if we support PowerPC 2.06 */ #define OV1_PPC_2_07 0x01 /* set if we support PowerPC 2.07 */ /* Option vector 2: Open Firmware options supported */ #define OV2_REAL_MODE 0x20 /* set if we want OF in real mode */ /* Option vector 3: processor options supported */ #define OV3_FP 0x80 /* floating point */ #define OV3_VMX 0x40 /* VMX/Altivec */ #define OV3_DFP 0x20 /* decimal FP */ /* Option vector 4: IBM PAPR implementation */ #define OV4_MIN_ENT_CAP 0x01 /* minimum VP entitled capacity */ /* Option vector 5: PAPR/OF options supported * These bits are also used in firmware_has_feature() to validate * the capabilities reported for vector 5 in the device tree so we * encode the vector index in the define and use the OV5_FEAT() * and OV5_INDX() macros to extract the desired information. */ #define OV5_FEAT(x) ((x) & 0xff) #define OV5_INDX(x) ((x) >> 8) #define OV5_LPAR 0x0280 /* logical partitioning supported */ #define OV5_SPLPAR 0x0240 /* shared-processor LPAR supported */ /* ibm,dynamic-reconfiguration-memory property supported */ #define OV5_DRCONF_MEMORY 0x0220 #define OV5_LARGE_PAGES 0x0210 /* large pages supported */ #define OV5_DONATE_DEDICATE_CPU 0x0202 /* donate dedicated CPU support */ #define OV5_MSI 0x0201 /* PCIe/MSI support */ #define OV5_CMO 0x0480 /* Cooperative Memory Overcommitment */ #define OV5_XCMO 0x0440 /* Page Coalescing */ #define OV5_TYPE1_AFFINITY 0x0580 /* Type 1 NUMA affinity */ #define OV5_PRRN 0x0540 /* Platform Resource Reassignment */ #define OV5_PFO_HW_RNG 0x0E80 /* PFO Random Number Generator */ #define OV5_PFO_HW_842 0x0E40 /* PFO Compression Accelerator */ #define OV5_PFO_HW_ENCR 0x0E20 /* PFO Encryption Accelerator */ #define OV5_SUB_PROCESSORS 0x0F01 /* 1,2,or 4 Sub-Processors supported */ /* Option Vector 6: IBM PAPR hints */ #define OV6_LINUX 0x02 /* Linux is our OS */ /* * The architecture vector has an array of PVR mask/value pairs, * followed by # option vectors - 1, followed by the option vectors. */ extern unsigned char ibm_architecture_vec[]; /* These includes are put at the bottom because they may contain things * that are overridden by this file. Ideally they shouldn't be included * by this file, but there are a bunch of .c files that currently depend * on it. Eventually they will be cleaned up. */ #include #include #include #include #endif /* __KERNEL__ */ #endif /* _POWERPC_PROM_H */