| #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> |
| |
| /* These includes should be removed once implicit includes are cleaned up. */ |
| #include <linux/of.h> |
| #include <linux/of_fdt.h> |
| #include <linux/of_address.h> |
| #include <linux/of_irq.h> |
| #include <linux/platform_device.h> |
| |
| /* |
| * OF address retreival & translation |
| */ |
| |
| /* 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 __be32 *dma_window, |
| unsigned long *busno, unsigned long *phys, |
| unsigned long *size); |
| |
| extern void kdump_move_device_tree(void); |
| |
| extern void of_instantiate_rtc(void); |
| |
| extern int of_get_ibm_chip_id(struct device_node *np); |
| |
| /* 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[]; |
| |
| #endif /* __KERNEL__ */ |
| #endif /* _POWERPC_PROM_H */ |
