157 lines
5.7 KiB
C
157 lines
5.7 KiB
C
#include <linux/of.h> /* 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 <linux/types.h>
|
|
#include <asm/irq.h>
|
|
#include <linux/atomic.h>
|
|
|
|
#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);
|
|
|
|
/* CPU OF node matching */
|
|
struct device_node *of_get_cpu_node(int cpu, unsigned int *thread);
|
|
|
|
/* 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 <linux/of_fdt.h>
|
|
#include <linux/of_address.h>
|
|
#include <linux/of_irq.h>
|
|
#include <linux/platform_device.h>
|
|
|
|
#endif /* __KERNEL__ */
|
|
#endif /* _POWERPC_PROM_H */
|