FreeCalypso > hg > freecalypso-tools
annotate target-utils/dspdump/dspops.c @ 837:724a6bc2a4b8
CHANGES: document tiaud-compile & tiaud-decomp extension
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Fri, 30 Jul 2021 01:37:42 +0000 |
parents | 27b5526ba1a8 |
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rev | line source |
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1 #include "types.h" |
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2 #include "leadapi.h" |
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3 #include "dumpagent.h" |
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4 |
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5 wait_for_dsp_ready() |
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6 { |
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7 unsigned cnt; |
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8 |
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9 for (cnt = 0; cnt < 10000; cnt++) |
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10 if (DOWNLOAD_STATUS == LEAD_READY) |
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11 return(0); |
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12 return(-1); |
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13 } |
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14 |
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15 boot_dsp_dump_agent() |
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16 { |
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17 const u16 *src; |
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18 volatile u16 *api; |
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19 unsigned n; |
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20 |
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21 /* put it into reset first */ |
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22 CLKM_CNTL_RST |= CLKM_LEAD_RST; |
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23 /* generous 1 ms for the reset pulse */ |
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24 wait_ARM_cycles(13000); |
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25 /* lift it out of reset */ |
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26 CLKM_CNTL_RST &= ~CLKM_LEAD_RST; |
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27 /* another generous 1 ms */ |
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28 wait_ARM_cycles(13000); |
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29 /* bootloader should be ready for us now */ |
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30 if (wait_for_dsp_ready() < 0) { |
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31 printf("ERROR: DSP bootloader not ready out of reset\n"); |
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32 return(-1); |
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33 } |
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34 /* upload the agent code */ |
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35 src = dsp_agent_code; |
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36 api = (volatile u16 *) APIF_ADDR; |
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37 for (n = 0; n < DSP_DUMPCODE_LEN; n++) |
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38 *api++ = *src++; |
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39 DOWNLOAD_EXT_PAGE = 0; |
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40 DOWNLOAD_SIZE = DSP_DUMPCODE_LEN; |
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41 DOWNLOAD_ADDR = DSP_DUMPCODE_START; |
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42 DOWNLOAD_STATUS = BLOCK_READY; |
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43 if (wait_for_dsp_ready() < 0) { |
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44 printf("ERROR: DSP bl not ready after block write\n"); |
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45 return(-1); |
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46 } |
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47 /* start it! */ |
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48 DOWNLOAD_EXT_PAGE = 0; |
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49 DOWNLOAD_SIZE = 0; |
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50 DOWNLOAD_ADDR = DSP_DUMPCODE_START; |
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51 DOWNLOAD_STATUS = BLOCK_READY; |
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52 if (wait_for_dsp_ready() < 0) { |
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53 printf("ERROR: DSP not ready after commanded jump to agent\n"); |
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54 return(-1); |
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55 } |
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56 } |
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57 |
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58 dsp_read_op(mode, addr, blklen) |
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59 u16 mode, blklen; |
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60 u32 addr; |
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61 { |
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62 int rc; |
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63 |
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64 APIRAM_FIRST_WORD = mode; |
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65 DOWNLOAD_STATUS = PAGE_SELECTION; |
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66 rc = wait_for_dsp_ready(); |
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67 if (rc < 0) |
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68 return(rc); |
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69 DOWNLOAD_EXT_PAGE = addr >> 16; |
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70 DOWNLOAD_SIZE = blklen; |
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71 DOWNLOAD_ADDR = addr; |
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72 DOWNLOAD_STATUS = BLOCK_READY; |
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73 rc = wait_for_dsp_ready(); |
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74 return(rc); |
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75 } |