powerpc/fsl: add 'pixis_reset dump' command
Add the 'pixis_reset dump' command, which displays the contents of the PIXIS registers. This command is only available if DEBUG is defined. Signed-off-by: Timur Tabi <timur@freescale.com> Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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@ -119,11 +119,50 @@ void __set_altbank(void)
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}
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}
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void set_altbank(void) __attribute__((weak, alias("__set_altbank")));
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void set_altbank(void) __attribute__((weak, alias("__set_altbank")));
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#ifdef DEBUG
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static void pixis_dump_regs(void)
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{
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unsigned int i;
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printf("id=%02x\n", PIXIS_READ(id));
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printf("arch=%02x\n", PIXIS_READ(arch));
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printf("scver=%02x\n", PIXIS_READ(scver));
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printf("csr=%02x\n", PIXIS_READ(csr));
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printf("rst=%02x\n", PIXIS_READ(rst));
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printf("aux=%02x\n", PIXIS_READ(aux));
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printf("spd=%02x\n", PIXIS_READ(spd));
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printf("brdcfg0=%02x\n", PIXIS_READ(brdcfg0));
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printf("brdcfg1=%02x\n", PIXIS_READ(brdcfg1));
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printf("addr=%02x\n", PIXIS_READ(addr));
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printf("data=%02x\n", PIXIS_READ(data));
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printf("led=%02x\n", PIXIS_READ(led));
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printf("vctl=%02x\n", PIXIS_READ(vctl));
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printf("vstat=%02x\n", PIXIS_READ(vstat));
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printf("vcfgen0=%02x\n", PIXIS_READ(vcfgen0));
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printf("ocmcsr=%02x\n", PIXIS_READ(ocmcsr));
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printf("ocmmsg=%02x\n", PIXIS_READ(ocmmsg));
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printf("gmdbg=%02x\n", PIXIS_READ(gmdbg));
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printf("sclk=%02x%02x%02x\n",
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PIXIS_READ(sclk[0]), PIXIS_READ(sclk[1]), PIXIS_READ(sclk[2]));
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printf("dclk=%02x%02x%02x\n",
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PIXIS_READ(dclk[0]), PIXIS_READ(dclk[1]), PIXIS_READ(dclk[2]));
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printf("watch=%02x\n", PIXIS_READ(watch));
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for (i = 0; i < 8; i++) {
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printf("SW%u=%02x/%02x ", i + 1,
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PIXIS_READ(s[i].sw), PIXIS_READ(s[i].en));
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}
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putc('\n');
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}
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#endif
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int pixis_reset_cmd(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
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int pixis_reset_cmd(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
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{
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{
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unsigned int i;
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unsigned int i;
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char *p_altbank = NULL;
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char *p_altbank = NULL;
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#ifdef DEBUG
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char *p_dump = NULL;
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#endif
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char *unknown_param = NULL;
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char *unknown_param = NULL;
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/* No args is a simple reset request.
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/* No args is a simple reset request.
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@ -137,6 +176,13 @@ int pixis_reset_cmd(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
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continue;
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continue;
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}
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}
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#ifdef DEBUG
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if (strcmp(argv[i], "dump") == 0) {
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p_dump = argv[i];
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continue;
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}
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#endif
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unknown_param = argv[i];
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unknown_param = argv[i];
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}
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}
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@ -145,6 +191,15 @@ int pixis_reset_cmd(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
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return 1;
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return 1;
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}
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}
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#ifdef DEBUG
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if (p_dump) {
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pixis_dump_regs();
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/* 'dump' ignores other commands */
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return 0;
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}
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#endif
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if (p_altbank)
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if (p_altbank)
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set_altbank();
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set_altbank();
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else
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else
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@ -161,4 +216,7 @@ U_BOOT_CMD(
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"Reset the board using the FPGA sequencer",
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"Reset the board using the FPGA sequencer",
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"- hard reset to default bank\n"
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"- hard reset to default bank\n"
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"pixis_reset altbank - reset to alternate bank\n"
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"pixis_reset altbank - reset to alternate bank\n"
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#ifdef DEBUG
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"pixis_reset dump - display the PIXIS registers\n"
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#endif
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);
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);
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