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/* $Id$
*
* 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.
*
* Copyright (C) 1992 - 1997, 2000 Silicon Graphics, Inc.
* Copyright (C) 2000 by Colin Ngam
*/
#ifndef _ASM_SN_SN1_KLDIR_H
#define _ASM_SN_SN1_KLDIR_H
/*
* The upper portion of the memory map applies during boot
* only and is overwritten by IRIX/SYMMON. The minimum memory bank
* size on IP35 is 64M, which provides a limit on the amount of space
* the PROM can assume it has available.
*
* Most of the addresses below are defined as macros in this file, or
* in SN/addrs.h or SN/SN1/addrs.h.
*
* MEMORY MAP PER NODE
*
* 0x4000000 (64M) +-----------------------------------------+
* | |
* | |
* | IO7 TEXT/DATA/BSS/stack |
* 0x3000000 (48M) +-----------------------------------------+
* | Free |
* 0x2102000 (>33M) +-----------------------------------------+
* | IP35 Topology (PCFG) + misc data |
* 0x2000000 (32M) +-----------------------------------------+
* | IO7 BUFFERS FOR FLASH ENET IOC3 |
* 0x1F80000 (31.5M) +-----------------------------------------+
* | Free |
* 0x1C00000 (28M) +-----------------------------------------+
* | IP35 PROM TEXT/DATA/BSS/stack |
* 0x1A00000 (26M) +-----------------------------------------+
* | Routing temp. space |
* 0x1800000 (24M) +-----------------------------------------+
* | Diagnostics temp. space |
* 0x1500000 (21M) +-----------------------------------------+
* | Free |
* 0x1400000 (20M) +-----------------------------------------+
* | IO7 PROM temporary copy |
* 0x1300000 (19M) +-----------------------------------------+
* | |
* | Free |
* | (UNIX DATA starts above 0x1000000) |
* | |
* +-----------------------------------------+
* | UNIX DEBUG Version |
* 0x0310000 (3.1M) +-----------------------------------------+
* | SYMMON, loaded just below UNIX |
* | (For UNIX Debug only) |
* | |
* | |
* 0x006C000 (432K) +-----------------------------------------+
* | SYMMON STACK [NUM_CPU_PER_NODE] |
* | (For UNIX Debug only) |
* 0x004C000 (304K) +-----------------------------------------+
* | |
* | |
* | UNIX NON-DEBUG Version |
* 0x0040000 (256K) +-----------------------------------------+
*
*
* The lower portion of the memory map contains information that is
* permanent and is used by the IP35PROM, IO7PROM and IRIX.
*
* 0x40000 (256K) +-----------------------------------------+
* | |
* | KLCONFIG (64K) |
* | |
* 0x30000 (192K) +-----------------------------------------+
* | |
* | PI Error Spools (64K) |
* | |
* 0x20000 (128K) +-----------------------------------------+
* | |
* | Unused |
* | |
* 0x19000 (100K) +-----------------------------------------+
* | Early cache Exception stack (CPU 3)|
* 0x18800 (98K) +-----------------------------------------+
* | cache error eframe (CPU 3) |
* 0x18400 (97K) +-----------------------------------------+
* | Exception Handlers (CPU 3) |
* 0x18000 (96K) +-----------------------------------------+
* | |
* | Unused |
* | |
* 0x13c00 (79K) +-----------------------------------------+
* | GPDA (8k) |
* 0x11c00 (71K) +-----------------------------------------+
* | Early cache Exception stack (CPU 2)|
* 0x10800 (66k) +-----------------------------------------+
* | cache error eframe (CPU 2) |
* 0x10400 (65K) +-----------------------------------------+
* | Exception Handlers (CPU 2) |
* 0x10000 (64K) +-----------------------------------------+
* | |
* | Unused |
* | |
* 0x0b400 (45K) +-----------------------------------------+
* | GDA (1k) |
* 0x0b000 (44K) +-----------------------------------------+
* | NMI Eframe areas (4) |
* 0x0a000 (40K) +-----------------------------------------+
* | NMI Register save areas (4) |
* 0x09000 (36K) +-----------------------------------------+
* | Early cache Exception stack (CPU 1)|
* 0x08800 (34K) +-----------------------------------------+
* | cache error eframe (CPU 1) |
* 0x08400 (33K) +-----------------------------------------+
* | Exception Handlers (CPU 1) |
* 0x08000 (32K) +-----------------------------------------+
* | |
* | |
* | Unused |
* | |
* | |
* 0x04000 (16K) +-----------------------------------------+
* | NMI Handler (Protected Page) |
* 0x03000 (12K) +-----------------------------------------+
* | ARCS PVECTORS (master node only) |
* 0x02c00 (11K) +-----------------------------------------+
* | ARCS TVECTORS (master node only) |
* 0x02800 (10K) +-----------------------------------------+
* | LAUNCH [NUM_CPU] |
* 0x02400 (9K) +-----------------------------------------+
* | Low memory directory (KLDIR) |
* 0x02000 (8K) +-----------------------------------------+
* | ARCS SPB (1K) |
* 0x01000 (4K) +-----------------------------------------+
* | Early cache Exception stack (CPU 0)|
* 0x00800 (2k) +-----------------------------------------+
* | cache error eframe (CPU 0) |
* 0x00400 (1K) +-----------------------------------------+
* | Exception Handlers (CPU 0) |
* 0x00000 (0K) +-----------------------------------------+
*/
/*
* NOTE: To change the kernel load address, you must update:
* - the appropriate elspec files in irix/kern/master.d
* - NODEBUGUNIX_ADDR in SN/SN1/addrs.h
* - IP27_FREEMEM_OFFSET below
* - KERNEL_START_OFFSET below (if supporting cells)
*/
/*
* 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 IP35
* prom should attempt to use these values.
*/
#define IP27_LAUNCH_OFFSET 0x2400
#define IP27_LAUNCH_SIZE 0x400
#define IP27_LAUNCH_COUNT 4
#define IP27_LAUNCH_STRIDE 0x100 /* could be as small as 0x80 */
#define IP27_KLCONFIG_OFFSET 0x30000
#define IP27_KLCONFIG_SIZE 0x10000
#define IP27_KLCONFIG_COUNT 1
#define IP27_KLCONFIG_STRIDE 0
#define IP27_NMI_OFFSET 0x3000
#define IP27_NMI_SIZE 0x100
#define IP27_NMI_COUNT 4
#define IP27_NMI_STRIDE 0x40
#define IP27_PI_ERROR_OFFSET 0x20000
#define IP27_PI_ERROR_SIZE 0x10000
#define IP27_PI_ERROR_COUNT 1
#define IP27_PI_ERROR_STRIDE 0
#define IP27_SYMMON_STK_OFFSET 0x4c000
#define IP27_SYMMON_STK_SIZE 0x20000
#define IP27_SYMMON_STK_COUNT 4
/* IP27_SYMMON_STK_STRIDE must be >= SYMMON_STACK_SIZE */
#define IP27_SYMMON_STK_STRIDE 0x8000
#define IP27_FREEMEM_OFFSET 0x40000
#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 IO7 must set it up.
*/
#define IO6_GDA_OFFSET 0xb000
#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 0x9000
#define IP27_NMI_KREGS_CPU_SIZE 0x400
/*
* save area of kernel nmi regs in eframe format
*/
#define IP27_NMI_EFRAME_OFFSET 0xa000
#define IP27_NMI_EFRAME_SIZE 0x400
#define GPDA_OFFSET 0x11c00
#endif /* _ASM_SN_SN1_KLDIR_H */
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