5
Last change
on this file since bd7f099 was
069560a,
checked in by Premysl Houdek <kom541000@…>, on 07/16/15 at 12:14:32
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bsp/tms570: source changes reflecting new headers.
Signed-off-by: Premysl Houdek <kom541000@…>
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Property mode set to
100644
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File size:
1.1 KB
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1 | /** |
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2 | * @file bspreset.c |
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3 | * |
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4 | * @ingroup tms570 |
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5 | * |
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6 | * @brief Reset code. |
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7 | */ |
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8 | |
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9 | /* |
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10 | * Copyright (c) 2015 Taller Technologies. |
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11 | * |
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12 | * @author Martin Galvan <martin.galvan@tallertechnologies.com> |
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13 | * |
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14 | * The license and distribution terms for this file may be |
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15 | * found in the file LICENSE in this distribution or at |
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16 | * http://www.rtems.org/license/LICENSE. |
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17 | */ |
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18 | |
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19 | #include <bsp.h> |
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20 | #include <bsp/bootcard.h> |
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21 | #include <bsp/tms570.h> |
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22 | #include <bsp/start.h> |
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23 | |
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24 | static void handle_esm_errors(uint32_t esm_irq_channel) |
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25 | { |
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26 | /* ESMR3 errors don't generate interrupts. */ |
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27 | if (esm_irq_channel < 0x20u) { |
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28 | TMS570_ESM.SR[0] = 1 << esm_irq_channel; |
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29 | } else if (esm_irq_channel < 0x40u) { |
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30 | TMS570_ESM.SR[1] = 1 << (esm_irq_channel - 32u); |
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31 | } else if (esm_irq_channel < 0x60u) { |
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32 | TMS570_ESM.SR4 = 1 << (esm_irq_channel - 64u); |
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33 | } |
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34 | } |
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35 | |
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36 | void bsp_reset(void) |
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37 | { |
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38 | uint32_t esm_irq_channel = TMS570_ESM.IOFFHR - 1; |
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39 | |
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40 | if (esm_irq_channel) { |
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41 | handle_esm_errors(esm_irq_channel); |
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42 | } |
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43 | |
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44 | /* Reset the board */ |
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45 | /* write of value other than 1 cause system reset */ |
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46 | TMS570_SYS1.SYSECR = TMS570_SYS1_SYSECR_RESET(2); |
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47 | } |
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