Mercurial > ecos-v3_0-branch
annotate packages/hal/arm/xscale/xsengine/current/src/xsengine_misc.c @ 2729:74dbf4c3f2e1 after-copyright-change-20090129
Update all copyright banners to reflect FSF ownership; fix and improve licence text.
| author | jlarmour |
|---|---|
| date | Thu, 29 Jan 2009 17:47:46 +0000 |
| parents | d5547d5dab7a |
| children |
| rev | line source |
|---|---|
| 1901 | 1 //============================================================================= |
| 2 // | |
| 3 // xsengine_misc.c | |
| 4 // | |
| 5 // Miscellaneous platform support for xsengine | |
| 6 // | |
| 7 //============================================================================= | |
|
2729
74dbf4c3f2e1
Update all copyright banners to reflect FSF ownership; fix and improve licence text.
jlarmour
parents:
1901
diff
changeset
|
8 // ####ECOSGPLCOPYRIGHTBEGIN#### |
|
74dbf4c3f2e1
Update all copyright banners to reflect FSF ownership; fix and improve licence text.
jlarmour
parents:
1901
diff
changeset
|
9 // ------------------------------------------- |
|
74dbf4c3f2e1
Update all copyright banners to reflect FSF ownership; fix and improve licence text.
jlarmour
parents:
1901
diff
changeset
|
10 // This file is part of eCos, the Embedded Configurable Operating System. |
|
74dbf4c3f2e1
Update all copyright banners to reflect FSF ownership; fix and improve licence text.
jlarmour
parents:
1901
diff
changeset
|
11 // Copyright (C) 1998, 1999, 2000, 2001, 2002, 2005 Free Software Foundation, Inc. |
| 1901 | 12 // |
|
2729
74dbf4c3f2e1
Update all copyright banners to reflect FSF ownership; fix and improve licence text.
jlarmour
parents:
1901
diff
changeset
|
13 // eCos is free software; you can redistribute it and/or modify it under |
|
74dbf4c3f2e1
Update all copyright banners to reflect FSF ownership; fix and improve licence text.
jlarmour
parents:
1901
diff
changeset
|
14 // the terms of the GNU General Public License as published by the Free |
|
74dbf4c3f2e1
Update all copyright banners to reflect FSF ownership; fix and improve licence text.
jlarmour
parents:
1901
diff
changeset
|
15 // Software Foundation; either version 2 or (at your option) any later |
|
74dbf4c3f2e1
Update all copyright banners to reflect FSF ownership; fix and improve licence text.
jlarmour
parents:
1901
diff
changeset
|
16 // version. |
| 1901 | 17 // |
|
2729
74dbf4c3f2e1
Update all copyright banners to reflect FSF ownership; fix and improve licence text.
jlarmour
parents:
1901
diff
changeset
|
18 // eCos is distributed in the hope that it will be useful, but WITHOUT |
|
74dbf4c3f2e1
Update all copyright banners to reflect FSF ownership; fix and improve licence text.
jlarmour
parents:
1901
diff
changeset
|
19 // ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
|
74dbf4c3f2e1
Update all copyright banners to reflect FSF ownership; fix and improve licence text.
jlarmour
parents:
1901
diff
changeset
|
20 // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
|
74dbf4c3f2e1
Update all copyright banners to reflect FSF ownership; fix and improve licence text.
jlarmour
parents:
1901
diff
changeset
|
21 // for more details. |
| 1901 | 22 // |
|
2729
74dbf4c3f2e1
Update all copyright banners to reflect FSF ownership; fix and improve licence text.
jlarmour
parents:
1901
diff
changeset
|
23 // You should have received a copy of the GNU General Public License |
|
74dbf4c3f2e1
Update all copyright banners to reflect FSF ownership; fix and improve licence text.
jlarmour
parents:
1901
diff
changeset
|
24 // along with eCos; if not, write to the Free Software Foundation, Inc., |
|
74dbf4c3f2e1
Update all copyright banners to reflect FSF ownership; fix and improve licence text.
jlarmour
parents:
1901
diff
changeset
|
25 // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
| 1901 | 26 // |
|
2729
74dbf4c3f2e1
Update all copyright banners to reflect FSF ownership; fix and improve licence text.
jlarmour
parents:
1901
diff
changeset
|
27 // As a special exception, if other files instantiate templates or use |
|
74dbf4c3f2e1
Update all copyright banners to reflect FSF ownership; fix and improve licence text.
jlarmour
parents:
1901
diff
changeset
|
28 // macros or inline functions from this file, or you compile this file |
|
74dbf4c3f2e1
Update all copyright banners to reflect FSF ownership; fix and improve licence text.
jlarmour
parents:
1901
diff
changeset
|
29 // and link it with other works to produce a work based on this file, |
|
74dbf4c3f2e1
Update all copyright banners to reflect FSF ownership; fix and improve licence text.
jlarmour
parents:
1901
diff
changeset
|
30 // this file does not by itself cause the resulting work to be covered by |
|
74dbf4c3f2e1
Update all copyright banners to reflect FSF ownership; fix and improve licence text.
jlarmour
parents:
1901
diff
changeset
|
31 // the GNU General Public License. However the source code for this file |
|
74dbf4c3f2e1
Update all copyright banners to reflect FSF ownership; fix and improve licence text.
jlarmour
parents:
1901
diff
changeset
|
32 // must still be made available in accordance with section (3) of the GNU |
|
74dbf4c3f2e1
Update all copyright banners to reflect FSF ownership; fix and improve licence text.
jlarmour
parents:
1901
diff
changeset
|
33 // General Public License v2. |
| 1901 | 34 // |
|
2729
74dbf4c3f2e1
Update all copyright banners to reflect FSF ownership; fix and improve licence text.
jlarmour
parents:
1901
diff
changeset
|
35 // This exception does not invalidate any other reasons why a work based |
|
74dbf4c3f2e1
Update all copyright banners to reflect FSF ownership; fix and improve licence text.
jlarmour
parents:
1901
diff
changeset
|
36 // on this file might be covered by the GNU General Public License. |
|
74dbf4c3f2e1
Update all copyright banners to reflect FSF ownership; fix and improve licence text.
jlarmour
parents:
1901
diff
changeset
|
37 // ------------------------------------------- |
|
74dbf4c3f2e1
Update all copyright banners to reflect FSF ownership; fix and improve licence text.
jlarmour
parents:
1901
diff
changeset
|
38 // ####ECOSGPLCOPYRIGHTEND#### |
| 1901 | 39 //============================================================================= |
| 40 //#####DESCRIPTIONBEGIN#### | |
| 41 // | |
| 42 // Author(s): Knud Woehler <knud.woehler@microplex.de> | |
| 43 // Date: 2003-01-06 | |
| 44 // | |
| 45 //####DESCRIPTIONEND#### | |
| 46 | |
| 47 #include <pkgconf/hal.h> | |
| 48 #include <pkgconf/system.h> | |
| 49 #include CYGBLD_HAL_PLATFORM_H | |
| 50 | |
| 51 #include <cyg/infra/cyg_type.h> // base types | |
| 52 #include <cyg/infra/cyg_trac.h> // tracing macros | |
| 53 #include <cyg/infra/cyg_ass.h> // assertion macros | |
| 54 #include <cyg/hal/hal_io.h> // IO macros | |
| 55 #include <cyg/hal/hal_arch.h> // Register state info | |
| 56 #include <cyg/hal/hal_diag.h> | |
| 57 #include <cyg/hal/hal_intr.h> // Interrupt names | |
| 58 #include <cyg/hal/hal_cache.h> | |
| 59 #include <cyg/hal/hal_pxa2x0.h> | |
| 60 #include <cyg/hal/xsengine.h> // Platform specifics | |
| 61 #include <cyg/infra/diag.h> // diag_printf | |
| 62 #include <cyg/hal/hal_mm.h> | |
| 63 | |
| 64 #include <string.h> // memset | |
| 65 | |
| 66 void | |
| 67 hal_mmu_init(void) | |
| 68 { | |
| 69 // Set up the translation tables at offset 0x4000 | |
| 70 unsigned long ttb_base = PXA2X0_RAM_BANK0_BASE + 0x4000; | |
| 71 unsigned long i; | |
| 72 | |
| 73 // Set the TTB register | |
| 74 asm volatile ("mcr p15,0,%0,c2,c0,0" : : "r"(ttb_base) /*:*/); | |
| 75 | |
| 76 // Set the Domain Access Control Register | |
| 77 i = ARM_ACCESS_DACR_DEFAULT; | |
| 78 asm volatile ("mcr p15,0,%0,c3,c0,0" : : "r"(i) /*:*/); | |
| 79 | |
| 80 // First clear all TT entries - ie Set them to Faulting | |
| 81 memset((void *)ttb_base, 0, ARM_FIRST_LEVEL_PAGE_TABLE_SIZE); | |
| 82 | |
| 83 /* Actual Virtual Size Attributes Function */ | |
| 84 /* Base Base MB cached? buffered? access permissions */ | |
| 85 /* xxx00000 xxx00000 */ | |
| 86 #define _CACHED ARM_CACHEABLE | |
| 87 #define _UNCACHED ARM_UNCACHEABLE | |
| 88 #define _BUF ARM_BUFFERABLE | |
| 89 #define _NOBUF ARM_UNBUFFERABLE | |
| 90 #define _RWRW ARM_ACCESS_PERM_RW_RW | |
| 91 X_ARM_MMU_SECTION(0x000, 0x500, 32, _UNCACHED, _NOBUF, _RWRW); /* Boot flash ROMspace */ | |
| 92 X_ARM_MMU_SECTION(0x040, 0x600, 32, _UNCACHED, _NOBUF, _RWRW); /* LAN chip */ | |
| 93 X_ARM_MMU_SECTION(0x0C0, 0x700, 32, _UNCACHED, _NOBUF, _RWRW); /* FPGA chip */ | |
| 94 X_ARM_MMU_SECTION(0xA00, 0x000, 64, _CACHED, _BUF, _RWRW); /* SDRAM Bank 0 */ | |
| 95 X_ARM_MMU_SECTION(0xA00, 0xC00, 64, _UNCACHED, _BUF, _RWRW); /* SDRAM Bank 0 */ | |
| 96 X_ARM_MMU_SECTION(0xE00, 0xE00, 128, _CACHED, _BUF, _RWRW); /* Zeros (Cache Clean) Bank */ | |
| 97 X_ARM_MMU_SECTION(0x400, 0x400, 64, _UNCACHED, _NOBUF, _RWRW); /* Peripheral Registers */ | |
| 98 X_ARM_MMU_SECTION(0x440, 0x440, 64, _UNCACHED, _NOBUF, _RWRW); /* LCD Registers */ | |
| 99 X_ARM_MMU_SECTION(0x480, 0x480, 64, _UNCACHED, _NOBUF, _RWRW); /* Memory Ctl Registers */ | |
| 100 } | |
| 101 | |
| 102 // | |
| 103 // Platform specific initialization | |
| 104 // | |
| 105 | |
| 106 void | |
| 107 plf_hardware_init(void) | |
| 108 { | |
| 109 // RAM startup only - rewrite relevent bits depending on config | |
| 110 #ifndef CYG_HAL_STARTUP_ROM | |
| 111 HAL_DCACHE_SYNC(); // Force data out | |
| 112 HAL_DCACHE_INVALIDATE_ALL(); // Flush TLBs: make new mmu state effective | |
| 113 #endif // ! CYG_HAL_STARTUP_ROM - RAM start only | |
| 114 | |
| 115 hal_if_init(); | |
| 116 } | |
| 117 | |
| 118 // ------------------------------------------------------------------------ | |
| 119 // EOF xsengine_misc.c |