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authorMike Frysinger <vapier@gentoo.org>2010-12-17 15:25:09 -0500
committerMike Frysinger <vapier@gentoo.org>2011-04-08 00:44:26 -0400
commitcca07417d594fcae589463d1678d639810f986cd (patch)
tree77dcd48e8acc00b5a5003f68a9c47067c7aca083 /arch/blackfin/cpu/initcode.c
parent5a9a2c55d14260bc5b9fb6c36e2b32ee325a8aec (diff)
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Blackfin: BF50x: new processor port
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Diffstat (limited to 'arch/blackfin/cpu/initcode.c')
-rw-r--r--arch/blackfin/cpu/initcode.c25
1 files changed, 14 insertions, 11 deletions
diff --git a/arch/blackfin/cpu/initcode.c b/arch/blackfin/cpu/initcode.c
index 433d477..750add0 100644
--- a/arch/blackfin/cpu/initcode.c
+++ b/arch/blackfin/cpu/initcode.c
@@ -341,13 +341,13 @@ maybe_self_refresh(ADI_BOOT_DATA *bs)
return false;
/* If external memory is enabled, put it into self refresh first. */
-#ifdef EBIU_RSTCTL
+#if defined(EBIU_RSTCTL)
if (bfin_read_EBIU_RSTCTL() & DDR_SRESET) {
serial_putc('b');
bfin_write_EBIU_RSTCTL(bfin_read_EBIU_RSTCTL() | SRREQ);
return true;
}
-#else
+#elif defined(EBIU_SDGCTL)
if (bfin_read_EBIU_SDBCTL() & EBE) {
serial_putc('b');
bfin_write_EBIU_SDGCTL(bfin_read_EBIU_SDGCTL() | SRFS);
@@ -373,12 +373,15 @@ program_clocks(ADI_BOOT_DATA *bs, bool put_into_srfs)
/* If we're entering self refresh, make sure it has happened. */
if (put_into_srfs)
-#ifdef EBIU_RSTCTL
+#if defined(EBIU_RSTCTL)
while (!(bfin_read_EBIU_RSTCTL() & SRACK))
-#else
+ continue;
+#elif defined(EBIU_SDGCTL)
while (!(bfin_read_EBIU_SDSTAT() & SDSRA))
-#endif
continue;
+#else
+ ;
+#endif
serial_putc('c');
@@ -536,7 +539,7 @@ program_memory_controller(ADI_BOOT_DATA *bs, bool put_into_srfs)
/* Program the external memory controller before we come out of
* self-refresh. This only works with our SDRAM controller.
*/
-#ifndef EBIU_RSTCTL
+#ifdef EBIU_SDGCTL
# ifdef CONFIG_EBIU_SDRRC_VAL
bfin_write_EBIU_SDRRC(CONFIG_EBIU_SDRRC_VAL);
# endif
@@ -552,9 +555,9 @@ program_memory_controller(ADI_BOOT_DATA *bs, bool put_into_srfs)
/* Now that we've reprogrammed, take things out of self refresh. */
if (put_into_srfs)
-#ifdef EBIU_RSTCTL
+#if defined(EBIU_RSTCTL)
bfin_write_EBIU_RSTCTL(bfin_read_EBIU_RSTCTL() & ~(SRREQ));
-#else
+#elif defined(EBIU_SDGCTL)
bfin_write_EBIU_SDGCTL(bfin_read_EBIU_SDGCTL() & ~(SRFS));
#endif
@@ -646,10 +649,10 @@ program_async_controller(ADI_BOOT_DATA *bs)
serial_putc('b');
/* Not all parts have these additional MMRs. */
-#ifdef EBIU_MODE
-# ifdef CONFIG_EBIU_MBSCTL_VAL
+#ifdef EBIU_MBSCTL
bfin_write_EBIU_MBSCTL(CONFIG_EBIU_MBSCTL_VAL);
-# endif
+#endif
+#ifdef EBIU_MODE
# ifdef CONFIG_EBIU_MODE_VAL
bfin_write_EBIU_MODE(CONFIG_EBIU_MODE_VAL);
# endif