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 ti...@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
);
--
1.7.3.4
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