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 --- board/freescale/common/ngpixis.c | 58 ++++++++++++++++++++++++++++++++++++++ 1 files changed, 58 insertions(+), 0 deletions(-)

diff --git a/board/freescale/common/ngpixis.c b/board/freescale/common/ngpixis.c index 4e01e5a..765f035 100644 --- a/board/freescale/common/ngpixis.c +++ b/board/freescale/common/ngpixis.c @@ -119,11 +119,50 @@ void __set_altbank(void) } void set_altbank(void) __attribute__((weak, alias("__set_altbank")));

+#ifdef DEBUG +static void pixis_dump_regs(void) +{ + unsigned int i; + + printf("id=%02x\n", PIXIS_READ(id)); + printf("arch=%02x\n", PIXIS_READ(arch)); + printf("scver=%02x\n", PIXIS_READ(scver)); + printf("csr=%02x\n", PIXIS_READ(csr)); + printf("rst=%02x\n", PIXIS_READ(rst)); + printf("aux=%02x\n", PIXIS_READ(aux)); + printf("spd=%02x\n", PIXIS_READ(spd)); + printf("brdcfg0=%02x\n", PIXIS_READ(brdcfg0)); + printf("brdcfg1=%02x\n", PIXIS_READ(brdcfg1)); + printf("addr=%02x\n", PIXIS_READ(addr)); + printf("data=%02x\n", PIXIS_READ(data)); + printf("led=%02x\n", PIXIS_READ(led)); + printf("vctl=%02x\n", PIXIS_READ(vctl)); + printf("vstat=%02x\n", PIXIS_READ(vstat)); + printf("vcfgen0=%02x\n", PIXIS_READ(vcfgen0)); + printf("ocmcsr=%02x\n", PIXIS_READ(ocmcsr)); + printf("ocmmsg=%02x\n", PIXIS_READ(ocmmsg)); + printf("gmdbg=%02x\n", PIXIS_READ(gmdbg)); + printf("sclk=%02x%02x%02x\n", + PIXIS_READ(sclk[0]), PIXIS_READ(sclk[1]), PIXIS_READ(sclk[2])); + printf("dclk=%02x%02x%02x\n", + PIXIS_READ(dclk[0]), PIXIS_READ(dclk[1]), PIXIS_READ(dclk[2])); + printf("watch=%02x\n", PIXIS_READ(watch)); + + for (i = 0; i < 8; i++) { + printf("SW%u=%02x/%02x ", i + 1, + PIXIS_READ(s[i].sw), PIXIS_READ(s[i].en)); + } + putc('\n'); +} +#endif

int pixis_reset_cmd(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) { unsigned int i; char *p_altbank = NULL; +#ifdef DEBUG + char *p_dump = NULL; +#endif char *unknown_param = NULL;

/* No args is a simple reset request. @@ -137,6 +176,13 @@ int pixis_reset_cmd(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) continue; }

+#ifdef DEBUG + if (strcmp(argv[i], "dump") == 0) { + p_dump = argv[i]; + continue; + } +#endif + unknown_param = argv[i]; }

@@ -145,6 +191,15 @@ int pixis_reset_cmd(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) return 1; }

+#ifdef DEBUG + if (p_dump) { + pixis_dump_regs(); + + /* 'dump' ignores other commands */ + return 0; + } +#endif + if (p_altbank) set_altbank(); else @@ -161,4 +216,7 @@ U_BOOT_CMD( "Reset the board using the FPGA sequencer", "- hard reset to default bank\n" "pixis_reset altbank - reset to alternate bank\n" +#ifdef DEBUG + "pixis_reset dump - display the PIXIS registers\n" +#endif );