annotate target-utils/pirexplore/flashid.c @ 1008:2b4c3e0f73fc

doc/High-speed-serial: update for current situation
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 10 Dec 2023 23:42:12 +0000
parents e7502631a0f9
children
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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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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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16 else {
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17 printf("ERROR: argument must be 1 or 2\n");
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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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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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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 }