5
Last change
on this file since e2bd1f6 was
e2bd1f6,
checked in by Sebastian Huber <sebastian.huber@…>, on 03/21/18 at 15:38:43
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bsp/bfin: Move libcpu content to bsps
This patch is a part of the BSP source reorganization.
Update #3285.
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Property mode set to
100644
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File size:
1.3 KB
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Rev | Line | |
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[30abd24] | 1 | /* Blackfin MMU Support |
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[359e537] | 2 | * |
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[30abd24] | 3 | * Copyright (c) 2008 Kallisti Labs, Los Gatos, CA, USA |
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| 4 | * written by Allan Hessenflow <allanh@kallisti.com> |
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| 5 | * |
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| 6 | * The license and distribution terms for this file may be |
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| 7 | * found in the file LICENSE in this distribution or at |
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[c499856] | 8 | * http://www.rtems.org/license/LICENSE. |
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[30abd24] | 9 | */ |
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[359e537] | 10 | |
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[30abd24] | 11 | |
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| 12 | #include <rtems.h> |
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| 13 | |
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[6ff3add] | 14 | #include <libcpu/memoryRegs.h> |
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[9dd2fdb9] | 15 | #include <libcpu/mmu.h> |
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[30abd24] | 16 | |
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| 17 | /* NOTE: see notes in mmu.h */ |
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| 18 | |
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| 19 | void bfin_mmu_init(bfin_mmu_config_t *config) { |
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| 20 | intptr_t addr; |
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| 21 | intptr_t data; |
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| 22 | int i; |
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| 23 | |
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| 24 | addr = (intptr_t) ICPLB_ADDR0; |
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| 25 | data = (intptr_t) ICPLB_DATA0; |
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| 26 | for (i = 0; i < sizeof(config->instruction) / sizeof(config->instruction[0]); |
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| 27 | i++) { |
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| 28 | *(uint32_t volatile *) addr = (uint32_t) config->instruction[i].address; |
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| 29 | addr += ICPLB_ADDR_PITCH; |
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| 30 | *(uint32_t volatile *) data = config->instruction[i].flags; |
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| 31 | data += ICPLB_DATA_PITCH; |
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| 32 | } |
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[6ff3add] | 33 | *(uint32_t volatile *) IMEM_CONTROL |= IMEM_CONTROL_ENICPLB; |
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[30abd24] | 34 | addr = (intptr_t) DCPLB_ADDR0; |
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| 35 | data = (intptr_t) DCPLB_DATA0; |
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| 36 | for (i = 0; i < sizeof(config->data) / sizeof(config->data[0]); i++) { |
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| 37 | *(uint32_t volatile *) addr = (uint32_t) config->data[i].address; |
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| 38 | addr += DCPLB_ADDR_PITCH; |
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| 39 | *(uint32_t volatile *) data = config->data[i].flags; |
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| 40 | data += DCPLB_DATA_PITCH; |
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| 41 | } |
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[6ff3add] | 42 | *(uint32_t volatile *) DMEM_CONTROL |= DMEM_CONTROL_ENDCPLB; |
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[30abd24] | 43 | } |
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| 44 | |
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