FreeCalypso > hg > freecalypso-tools

annotate target-utils/pirexplore/flashid.c @ 416:30f6d1c32c6f

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doc/Flash-boot-defect article removed (no longer relevant) This article is no longer relevant because the issue in question only affected one (1) defective FCDEV3B board which was not and never will be sold.
author Mychaela Falconia <falcon@freecalypso.org>
date Fri, 26 Oct 2018 07:11:08 +0000
parents e7502631a0f9
children
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Mychaela Falconia <falcon@freecalypso.org>
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1 #include "types.h"
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2
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3 void
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4 cmd_flashid(argbulk)
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5 char *argbulk;
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6 {
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7 char *argv[2];
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8 u32 base_addr;
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9
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10 if (parse_args(argbulk, 1, 1, argv, 0) < 0)
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11 return;
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12 if (argv[0][0] == '1' && !argv[0][1])
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Mychaela Falconia <falcon@freecalypso.org>
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13 base_addr = 0x03000000;
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14 else if (argv[0][0] == '2' && !argv[0][1])
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15 base_addr = 0x02000000;
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Mychaela Falconia <falcon@freecalypso.org>
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16 else {
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Mychaela Falconia <falcon@freecalypso.org>
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17 printf("ERROR: argument must be 1 or 2\n");
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Mychaela Falconia <falcon@freecalypso.org>
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18 return;
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19 }
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20 printf("Base addr: %08X\n", base_addr);
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21 *(volatile u16 *)(base_addr + 0xAAA) = 0xAA;
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22 *(volatile u16 *)(base_addr + 0x554) = 0x55;
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23 *(volatile u16 *)(base_addr + 0xAAA) = 0x90;
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Mychaela Falconia <falcon@freecalypso.org>
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24 printf("offset 00: %04X\n", *(volatile u16 *)(base_addr + 0x00));
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25 printf("offset 02: %04X\n", *(volatile u16 *)(base_addr + 0x02));
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Mychaela Falconia <falcon@freecalypso.org>
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26 printf("offset 1C: %04X\n", *(volatile u16 *)(base_addr + 0x1C));
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27 printf("offset 1E: %04X\n", *(volatile u16 *)(base_addr + 0x1E));
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28 *(volatile u16 *)(base_addr + 0xAAA) = 0xF0;
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29 }