FreeCalypso > hg > freecalypso-tools

comparison target-utils/dspdump/dspops.c @ 540:27b5526ba1a8

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dspdump target program written, compiles
author Mychaela Falconia <falcon@freecalypso.org>
date Mon, 28 Oct 2019 08:19:33 +0000
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539:4f346c10f056 540:27b5526ba1a8
1 #include "types.h"
2 #include "leadapi.h"
3 #include "dumpagent.h"
4
5 wait_for_dsp_ready()
6 {
7 unsigned cnt;
8
9 for (cnt = 0; cnt < 10000; cnt++)
10 if (DOWNLOAD_STATUS == LEAD_READY)
11 return(0);
12 return(-1);
13 }
14
15 boot_dsp_dump_agent()
16 {
17 const u16 *src;
18 volatile u16 *api;
19 unsigned n;
20
21 /* put it into reset first */
22 CLKM_CNTL_RST |= CLKM_LEAD_RST;
23 /* generous 1 ms for the reset pulse */
24 wait_ARM_cycles(13000);
25 /* lift it out of reset */
26 CLKM_CNTL_RST &= ~CLKM_LEAD_RST;
27 /* another generous 1 ms */
28 wait_ARM_cycles(13000);
29 /* bootloader should be ready for us now */
30 if (wait_for_dsp_ready() < 0) {
31 printf("ERROR: DSP bootloader not ready out of reset\n");
32 return(-1);
33 }
34 /* upload the agent code */
35 src = dsp_agent_code;
36 api = (volatile u16 *) APIF_ADDR;
37 for (n = 0; n < DSP_DUMPCODE_LEN; n++)
38 *api++ = *src++;
39 DOWNLOAD_EXT_PAGE = 0;
40 DOWNLOAD_SIZE = DSP_DUMPCODE_LEN;
41 DOWNLOAD_ADDR = DSP_DUMPCODE_START;
42 DOWNLOAD_STATUS = BLOCK_READY;
43 if (wait_for_dsp_ready() < 0) {
44 printf("ERROR: DSP bl not ready after block write\n");
45 return(-1);
46 }
47 /* start it! */
48 DOWNLOAD_EXT_PAGE = 0;
49 DOWNLOAD_SIZE = 0;
50 DOWNLOAD_ADDR = DSP_DUMPCODE_START;
51 DOWNLOAD_STATUS = BLOCK_READY;
52 if (wait_for_dsp_ready() < 0) {
53 printf("ERROR: DSP not ready after commanded jump to agent\n");
54 return(-1);
55 }
56 }
57
58 dsp_read_op(mode, addr, blklen)
59 u16 mode, blklen;
60 u32 addr;
61 {
62 int rc;
63
64 APIRAM_FIRST_WORD = mode;
65 DOWNLOAD_STATUS = PAGE_SELECTION;
66 rc = wait_for_dsp_ready();
67 if (rc < 0)
68 return(rc);
69 DOWNLOAD_EXT_PAGE = addr >> 16;
70 DOWNLOAD_SIZE = blklen;
71 DOWNLOAD_ADDR = addr;
72 DOWNLOAD_STATUS = BLOCK_READY;
73 rc = wait_for_dsp_ready();
74 return(rc);
75 }