diff options
Diffstat (limited to 'include/asm-arm/arch-at91rm9200/hardware.h')
-rw-r--r-- | include/asm-arm/arch-at91rm9200/hardware.h | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/include/asm-arm/arch-at91rm9200/hardware.h b/include/asm-arm/arch-at91rm9200/hardware.h new file mode 100644 index 000000000000..2646c01f8e97 --- /dev/null +++ b/include/asm-arm/arch-at91rm9200/hardware.h | |||
@@ -0,0 +1,92 @@ | |||
1 | /* | ||
2 | * include/asm-arm/arch-at91rm9200/hardware.h | ||
3 | * | ||
4 | * Copyright (C) 2003 SAN People | ||
5 | * Copyright (C) 2003 ATMEL | ||
6 | * | ||
7 | * This program is free software; you can redistribute it and/or modify | ||
8 | * it under the terms of the GNU General Public License as published by | ||
9 | * the Free Software Foundation; either version 2 of the License, or | ||
10 | * (at your option) any later version. | ||
11 | * | ||
12 | */ | ||
13 | |||
14 | #ifndef __ASM_ARCH_HARDWARE_H | ||
15 | #define __ASM_ARCH_HARDWARE_H | ||
16 | |||
17 | #include <asm/sizes.h> | ||
18 | |||
19 | #include <asm/arch/at91rm9200.h> | ||
20 | #include <asm/arch/at91rm9200_sys.h> | ||
21 | |||
22 | /* | ||
23 | * Remap the peripherals from address 0xFFFA0000 .. 0xFFFFFFFF | ||
24 | * to 0xFEFA0000 .. 0xFF000000. (384Kb) | ||
25 | */ | ||
26 | #define AT91_IO_PHYS_BASE 0xFFFA0000 | ||
27 | #define AT91_IO_SIZE (0xFFFFFFFF - AT91_IO_PHYS_BASE + 1) | ||
28 | #define AT91_IO_VIRT_BASE (0xFF000000 - AT91_IO_SIZE) | ||
29 | |||
30 | /* Convert a physical IO address to virtual IO address */ | ||
31 | #define AT91_IO_P2V(x) ((x) - AT91_IO_PHYS_BASE + AT91_IO_VIRT_BASE) | ||
32 | |||
33 | /* | ||
34 | * Virtual to Physical Address mapping for IO devices. | ||
35 | */ | ||
36 | #define AT91_VA_BASE_SYS AT91_IO_P2V(AT91_BASE_SYS) | ||
37 | #define AT91_VA_BASE_SPI AT91_IO_P2V(AT91_BASE_SPI) | ||
38 | #define AT91_VA_BASE_SSC2 AT91_IO_P2V(AT91_BASE_SSC2) | ||
39 | #define AT91_VA_BASE_SSC1 AT91_IO_P2V(AT91_BASE_SSC1) | ||
40 | #define AT91_VA_BASE_SSC0 AT91_IO_P2V(AT91_BASE_SSC0) | ||
41 | #define AT91_VA_BASE_US3 AT91_IO_P2V(AT91_BASE_US3) | ||
42 | #define AT91_VA_BASE_US2 AT91_IO_P2V(AT91_BASE_US2) | ||
43 | #define AT91_VA_BASE_US1 AT91_IO_P2V(AT91_BASE_US1) | ||
44 | #define AT91_VA_BASE_US0 AT91_IO_P2V(AT91_BASE_US0) | ||
45 | #define AT91_VA_BASE_EMAC AT91_IO_P2V(AT91_BASE_EMAC) | ||
46 | #define AT91_VA_BASE_TWI AT91_IO_P2V(AT91_BASE_TWI) | ||
47 | #define AT91_VA_BASE_MCI AT91_IO_P2V(AT91_BASE_MCI) | ||
48 | #define AT91_VA_BASE_UDP AT91_IO_P2V(AT91_BASE_UDP) | ||
49 | #define AT91_VA_BASE_TCB1 AT91_IO_P2V(AT91_BASE_TCB1) | ||
50 | #define AT91_VA_BASE_TCB0 AT91_IO_P2V(AT91_BASE_TCB0) | ||
51 | |||
52 | /* Internal SRAM */ | ||
53 | #define AT91_BASE_SRAM 0x00200000 /* Internal SRAM base address */ | ||
54 | #define AT91_SRAM_SIZE 0x00004000 /* Internal SRAM SIZE (16Kb) */ | ||
55 | |||
56 | /* Serial ports */ | ||
57 | #define AT91_NR_UART 5 /* 4 USART3's and one DBGU port */ | ||
58 | |||
59 | /* FLASH */ | ||
60 | #define AT91_FLASH_BASE 0x10000000 /* NCS0: Flash physical base address */ | ||
61 | |||
62 | /* SDRAM */ | ||
63 | #define AT91_SDRAM_BASE 0x20000000 /* NCS1: SDRAM physical base address */ | ||
64 | |||
65 | /* SmartMedia */ | ||
66 | #define AT91_SMARTMEDIA_BASE 0x40000000 /* NCS3: Smartmedia physical base address */ | ||
67 | |||
68 | /* Multi-Master Memory controller */ | ||
69 | #define AT91_UHP_BASE 0x00300000 /* USB Host controller */ | ||
70 | |||
71 | /* Clocks */ | ||
72 | #define AT91_SLOW_CLOCK 32768 /* slow clock */ | ||
73 | |||
74 | #ifndef __ASSEMBLY__ | ||
75 | #include <asm/io.h> | ||
76 | |||
77 | static inline unsigned int at91_sys_read(unsigned int reg_offset) | ||
78 | { | ||
79 | void __iomem *addr = (void __iomem *)AT91_VA_BASE_SYS; | ||
80 | |||
81 | return readl(addr + reg_offset); | ||
82 | } | ||
83 | |||
84 | static inline void at91_sys_write(unsigned int reg_offset, unsigned long value) | ||
85 | { | ||
86 | void __iomem *addr = (void __iomem *)AT91_VA_BASE_SYS; | ||
87 | |||
88 | writel(value, addr + reg_offset); | ||
89 | } | ||
90 | #endif | ||
91 | |||
92 | #endif | ||