| /* |
| * This file is subject to the terms and conditions of the GNU General Public |
| * License. See the file "COPYING" in the main directory of this archive |
| * for more details. |
| * |
| * Derived from IRIX <sys/SN/kldir.h>, revision 1.21. |
| * |
| * Copyright (C) 1992 - 1997, 1999, 2000 Silicon Graphics, Inc. |
| * Copyright (C) 1999, 2000 by Ralf Baechle |
| */ |
| #ifndef _ASM_SN_KLDIR_H |
| #define _ASM_SN_KLDIR_H |
| |
| #include <linux/config.h> |
| |
| #if defined(CONFIG_SGI_IO) |
| #include <asm/hack.h> |
| #endif |
| |
| /* |
| * The kldir memory area resides at a fixed place in each node's memory and |
| * provides pointers to most other IP27 memory areas. This allows us to |
| * resize and/or relocate memory areas at a later time without breaking all |
| * firmware and kernels that use them. Indices in the array are |
| * permanently dedicated to areas listed below. Some memory areas (marked |
| * below) reside at a permanently fixed location, but are included in the |
| * directory for completeness. |
| */ |
| |
| #define KLDIR_MAGIC 0x434d5f53505f5357 |
| |
| /* |
| * The upper portion of the memory map applies during boot |
| * only and is overwritten by IRIX/SYMMON. |
| * |
| * MEMORY MAP PER NODE |
| * |
| * 0x2000000 (32M) +-----------------------------------------+ |
| * | IO6 BUFFERS FOR FLASH ENET IOC3 | |
| * 0x1F80000 (31.5M) +-----------------------------------------+ |
| * | IO6 TEXT/DATA/BSS/stack | |
| * 0x1C00000 (30M) +-----------------------------------------+ |
| * | IO6 PROM DEBUG TEXT/DATA/BSS/stack | |
| * 0x0800000 (28M) +-----------------------------------------+ |
| * | IP27 PROM TEXT/DATA/BSS/stack | |
| * 0x1B00000 (27M) +-----------------------------------------+ |
| * | IP27 CFG | |
| * 0x1A00000 (26M) +-----------------------------------------+ |
| * | Graphics PROM | |
| * 0x1800000 (24M) +-----------------------------------------+ |
| * | 3rd Party PROM drivers | |
| * 0x1600000 (22M) +-----------------------------------------+ |
| * | | |
| * | Free | |
| * | | |
| * +-----------------------------------------+ |
| * | UNIX DEBUG Version | |
| * 0x190000 (2M--) +-----------------------------------------+ |
| * | SYMMON | |
| * | (For UNIX Debug only) | |
| * 0x34000 (208K) +-----------------------------------------+ |
| * | SYMMON STACK [NUM_CPU_PER_NODE] | |
| * | (For UNIX Debug only) | |
| * 0x25000 (148K) +-----------------------------------------+ |
| * | KLCONFIG - II (temp) | |
| * | | |
| * | ---------------------------- | |
| * | | |
| * | UNIX NON-DEBUG Version | |
| * 0x19000 (100K) +-----------------------------------------+ |
| * |
| * |
| * The lower portion of the memory map contains information that is |
| * permanent and is used by the IP27PROM, IO6PROM and IRIX. |
| * |
| * 0x19000 (100K) +-----------------------------------------+ |
| * | | |
| * | PI Error Spools (32K) | |
| * | | |
| * 0x12000 (72K) +-----------------------------------------+ |
| * | Unused | |
| * 0x11c00 (71K) +-----------------------------------------+ |
| * | CPU 1 NMI Eframe area | |
| * 0x11a00 (70.5K) +-----------------------------------------+ |
| * | CPU 0 NMI Eframe area | |
| * 0x11800 (70K) +-----------------------------------------+ |
| * | CPU 1 NMI Register save area | |
| * 0x11600 (69.5K) +-----------------------------------------+ |
| * | CPU 0 NMI Register save area | |
| * 0x11400 (69K) +-----------------------------------------+ |
| * | GDA (1k) | |
| * 0x11000 (68K) +-----------------------------------------+ |
| * | Early cache Exception stack | |
| * | and/or | |
| * | kernel/io6prom nmi registers | |
| * 0x10800 (66k) +-----------------------------------------+ |
| * | cache error eframe | |
| * 0x10400 (65K) +-----------------------------------------+ |
| * | Exception Handlers (UALIAS copy) | |
| * 0x10000 (64K) +-----------------------------------------+ |
| * | | |
| * | | |
| * | KLCONFIG - I (permanent) (48K) | |
| * | | |
| * | | |
| * | | |
| * 0x4000 (16K) +-----------------------------------------+ |
| * | NMI Handler (Protected Page) | |
| * 0x3000 (12K) +-----------------------------------------+ |
| * | ARCS PVECTORS (master node only) | |
| * 0x2c00 (11K) +-----------------------------------------+ |
| * | ARCS TVECTORS (master node only) | |
| * 0x2800 (10K) +-----------------------------------------+ |
| * | LAUNCH [NUM_CPU] | |
| * 0x2400 (9K) +-----------------------------------------+ |
| * | Low memory directory (KLDIR) | |
| * 0x2000 (8K) +-----------------------------------------+ |
| * | ARCS SPB (1K) | |
| * 0x1000 (4K) +-----------------------------------------+ |
| * | Early cache Exception stack | |
| * | and/or | |
| * | kernel/io6prom nmi registers | |
| * 0x800 (2k) +-----------------------------------------+ |
| * | cache error eframe | |
| * 0x400 (1K) +-----------------------------------------+ |
| * | Exception Handlers | |
| * 0x0 (0K) +-----------------------------------------+ |
| */ |
| |
| #ifdef __ASSEMBLY__ |
| #define KLDIR_OFF_MAGIC 0x00 |
| #define KLDIR_OFF_OFFSET 0x08 |
| #define KLDIR_OFF_POINTER 0x10 |
| #define KLDIR_OFF_SIZE 0x18 |
| #define KLDIR_OFF_COUNT 0x20 |
| #define KLDIR_OFF_STRIDE 0x28 |
| #endif /* __ASSEMBLY__ */ |
| |
| #if !defined(CONFIG_SGI_IO) |
| |
| /* |
| * This is defined here because IP27_SYMMON_STK_SIZE must be at least what |
| * we define here. Since it's set up in the prom. We can't redefine it later |
| * and expect more space to be allocated. The way to find out the true size |
| * of the symmon stacks is to divide SYMMON_STK_SIZE by SYMMON_STK_STRIDE |
| * for a particular node. |
| */ |
| #define SYMMON_STACK_SIZE 0x8000 |
| |
| #if defined (PROM) || defined (SABLE) |
| |
| /* |
| * These defines are prom version dependent. No code other than the IP27 |
| * prom should attempt to use these values. |
| */ |
| #define IP27_LAUNCH_OFFSET 0x2400 |
| #define IP27_LAUNCH_SIZE 0x400 |
| #define IP27_LAUNCH_COUNT 2 |
| #define IP27_LAUNCH_STRIDE 0x200 |
| |
| #define IP27_KLCONFIG_OFFSET 0x4000 |
| #define IP27_KLCONFIG_SIZE 0xc000 |
| #define IP27_KLCONFIG_COUNT 1 |
| #define IP27_KLCONFIG_STRIDE 0 |
| |
| #define IP27_NMI_OFFSET 0x3000 |
| #define IP27_NMI_SIZE 0x40 |
| #define IP27_NMI_COUNT 2 |
| #define IP27_NMI_STRIDE 0x40 |
| |
| #define IP27_PI_ERROR_OFFSET 0x12000 |
| #define IP27_PI_ERROR_SIZE 0x4000 |
| #define IP27_PI_ERROR_COUNT 1 |
| #define IP27_PI_ERROR_STRIDE 0 |
| |
| #define IP27_SYMMON_STK_OFFSET 0x25000 |
| #define IP27_SYMMON_STK_SIZE 0xe000 |
| #define IP27_SYMMON_STK_COUNT 2 |
| /* IP27_SYMMON_STK_STRIDE must be >= SYMMON_STACK_SIZE */ |
| #define IP27_SYMMON_STK_STRIDE 0x7000 |
| |
| #define IP27_FREEMEM_OFFSET 0x19000 |
| #define IP27_FREEMEM_SIZE -1 |
| #define IP27_FREEMEM_COUNT 1 |
| #define IP27_FREEMEM_STRIDE 0 |
| |
| #endif /* PROM || SABLE*/ |
| /* |
| * There will be only one of these in a partition so the IO6 must set it up. |
| */ |
| #define IO6_GDA_OFFSET 0x11000 |
| #define IO6_GDA_SIZE 0x400 |
| #define IO6_GDA_COUNT 1 |
| #define IO6_GDA_STRIDE 0 |
| |
| /* |
| * save area of kernel nmi regs in the prom format |
| */ |
| #define IP27_NMI_KREGS_OFFSET 0x11400 |
| #define IP27_NMI_KREGS_CPU_SIZE 0x200 |
| /* |
| * save area of kernel nmi regs in eframe format |
| */ |
| #define IP27_NMI_EFRAME_OFFSET 0x11800 |
| #define IP27_NMI_EFRAME_SIZE 0x200 |
| |
| #define KLDIR_ENT_SIZE 0x40 |
| #define KLDIR_MAX_ENTRIES (0x400 / 0x40) |
| |
| #endif /* !CONFIG_SGI_IO */ |
| |
| #ifndef __ASSEMBLY__ |
| typedef struct kldir_ent_s { |
| u64 magic; /* Indicates validity of entry */ |
| off_t offset; /* Offset from start of node space */ |
| #if defined(CONFIG_SGI_IO) /* FIXME */ |
| __psunsigned_t pointer; /* Pointer to area in some cases */ |
| #else |
| unsigned long pointer; /* Pointer to area in some cases */ |
| #endif |
| size_t size; /* Size in bytes */ |
| u64 count; /* Repeat count if array, 1 if not */ |
| size_t stride; /* Stride if array, 0 if not */ |
| char rsvd[16]; /* Pad entry to 0x40 bytes */ |
| /* NOTE: These 16 bytes are used in the Partition KLDIR |
| entry to store partition info. Refer to klpart.h for this. */ |
| } kldir_ent_t; |
| #endif /* !__ASSEMBLY__ */ |
| |
| #if defined(CONFIG_SGI_IO) |
| |
| #define KLDIR_ENT_SIZE 0x40 |
| #define KLDIR_MAX_ENTRIES (0x400 / 0x40) |
| |
| /* |
| * The actual offsets of each memory area are machine-dependent |
| */ |
| #ifdef CONFIG_SGI_IP27 |
| // Not yet #include <asm/sn/sn0/kldir.h> |
| #elif defined(CONFIG_SGI_IP35) |
| #include <asm/sn/sn1/kldir.h> |
| #else |
| #error "kldir.h is currently defined for IP27 and IP35 platforms only" |
| #endif |
| |
| #endif /* CONFIG_SGI_IO */ |
| |
| #endif /* _ASM_SN_KLDIR_H */ |
