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Diffstat (limited to 'include/asm-v850/sim85e2.h')
-rw-r--r-- | include/asm-v850/sim85e2.h | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/include/asm-v850/sim85e2.h b/include/asm-v850/sim85e2.h new file mode 100644 index 000000000000..17dd4fa318e6 --- /dev/null +++ b/include/asm-v850/sim85e2.h | |||
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1 | /* | ||
2 | * include/asm-v850/sim85e2.h -- Machine-dependent defs for | ||
3 | * V850E2 RTL simulator | ||
4 | * | ||
5 | * Copyright (C) 2002,03 NEC Electronics Corporation | ||
6 | * Copyright (C) 2002,03 Miles Bader <miles@gnu.org> | ||
7 | * | ||
8 | * This file is subject to the terms and conditions of the GNU General | ||
9 | * Public License. See the file COPYING in the main directory of this | ||
10 | * archive for more details. | ||
11 | * | ||
12 | * Written by Miles Bader <miles@gnu.org> | ||
13 | */ | ||
14 | |||
15 | #ifndef __V850_SIM85E2_H__ | ||
16 | #define __V850_SIM85E2_H__ | ||
17 | |||
18 | |||
19 | #include <asm/v850e2.h> /* Based on V850E2 core. */ | ||
20 | |||
21 | |||
22 | /* Various memory areas supported by the simulator. | ||
23 | These should match the corresponding definitions in the linker script. */ | ||
24 | |||
25 | /* `instruction RAM'; instruction fetches are much faster from IRAM than | ||
26 | from DRAM. */ | ||
27 | #define IRAM_ADDR 0 | ||
28 | #define IRAM_SIZE 0x00100000 /* 1MB */ | ||
29 | /* `data RAM', below and contiguous with the I/O space. | ||
30 | Data fetches are much faster from DRAM than from IRAM. */ | ||
31 | #define DRAM_ADDR 0xfff00000 | ||
32 | #define DRAM_SIZE 0x000ff000 /* 1020KB */ | ||
33 | /* `external ram'. Unlike the above RAM areas, this memory is cached, | ||
34 | so both instruction and data fetches should be (mostly) fast -- | ||
35 | however, currently only write-through caching is supported, so writes | ||
36 | to ERAM will be slow. */ | ||
37 | #define ERAM_ADDR 0x00100000 | ||
38 | #define ERAM_SIZE 0x07f00000 /* 127MB (max) */ | ||
39 | /* Dynamic RAM; uses memory controller. */ | ||
40 | #define SDRAM_ADDR 0x10000000 | ||
41 | #define SDRAM_SIZE 0x01000000 /* 16MB */ | ||
42 | |||
43 | |||
44 | /* Simulator specific control registers. */ | ||
45 | /* NOTHAL controls whether the simulator will stop at a `halt' insn. */ | ||
46 | #define SIM85E2_NOTHAL_ADDR 0xffffff22 | ||
47 | #define SIM85E2_NOTHAL (*(volatile u8 *)SIM85E2_NOTHAL_ADDR) | ||
48 | /* The simulator will stop N cycles after N is written to SIMFIN. */ | ||
49 | #define SIM85E2_SIMFIN_ADDR 0xffffff24 | ||
50 | #define SIM85E2_SIMFIN (*(volatile u16 *)SIM85E2_SIMFIN_ADDR) | ||
51 | |||
52 | |||
53 | /* For <asm/irq.h> */ | ||
54 | #define NUM_CPU_IRQS 64 | ||
55 | |||
56 | |||
57 | /* For <asm/page.h> */ | ||
58 | #define PAGE_OFFSET SDRAM_ADDR | ||
59 | |||
60 | |||
61 | /* For <asm/entry.h> */ | ||
62 | /* `R0 RAM', used for a few miscellaneous variables that must be accessible | ||
63 | using a load instruction relative to R0. The sim85e2 simulator | ||
64 | actually puts 1020K of RAM from FFF00000 to FFFFF000, so we arbitarily | ||
65 | choose a small portion at the end of that. */ | ||
66 | #define R0_RAM_ADDR 0xFFFFE000 | ||
67 | |||
68 | |||
69 | /* For <asm/param.h> */ | ||
70 | #ifndef HZ | ||
71 | #define HZ 24 /* Minimum supported frequency. */ | ||
72 | #endif | ||
73 | |||
74 | |||
75 | #endif /* __V850_SIM85E2_H__ */ | ||