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authorJohn Rigby <john.rigby@linaro.org>2012-02-01 22:09:21 -0700
committerJohn Rigby <john.rigby@linaro.org>2012-04-25 07:54:08 -0600
commit802c5eca364c833fd242ccaa42e71a2fff36d500 (patch)
tree4ce6667ea611359880321e98fade1d862272b342
parentb28e020107530457c5dcfb654ff22f1d147fb7db (diff)
downloadu-boot-linaro-stable-802c5eca364c833fd242ccaa42e71a2fff36d500.tar.gz
SAUCE: Snowball: init serial later
The early init does not take for some reason or is not called at all? This works around the problem while search for what is really going on. Signed-off-by: John Rigby <john.rigby@linaro.org>
-rw-r--r--drivers/serial/serial_pl01x.c15
1 files changed, 14 insertions, 1 deletions
diff --git a/drivers/serial/serial_pl01x.c b/drivers/serial/serial_pl01x.c
index ed581ae22..f7bc43f2b 100644
--- a/drivers/serial/serial_pl01x.c
+++ b/drivers/serial/serial_pl01x.c
@@ -104,6 +104,8 @@ int serial_init (void)
#ifdef CONFIG_PL011_SERIAL
+int serial_init_called;
+
int serial_init (void)
{
struct pl01x_regs *regs = pl01x_get_regs(CONSOLE_PORT);
@@ -120,6 +122,7 @@ int serial_init (void)
readl(&regs->dr);
}
#endif
+ serial_init_called++;
/* First, disable everything */
writel(0, &regs->pl011_cr);
@@ -144,6 +147,7 @@ int serial_init (void)
writel(lcr, &regs->pl011_lcrh);
#ifdef CONFIG_PL011_SERIAL_RLCR
+#if 0
{
int i;
@@ -157,6 +161,9 @@ int serial_init (void)
writel(lcr, &regs->pl011_rlcr);
}
+#else
+ writel(lcr, &regs->pl011_rlcr);
+#endif
#endif
/* Finally, enable the UART */
writel(UART_PL011_CR_UARTEN | UART_PL011_CR_TXE | UART_PL011_CR_RXE,
@@ -167,6 +174,7 @@ int serial_init (void)
#endif /* CONFIG_PL011_SERIAL */
+
void serial_putc (const char c)
{
if (c == '\n')
@@ -184,7 +192,12 @@ void serial_puts (const char *s)
int serial_getc (void)
{
- return pl01x_getc (CONSOLE_PORT);
+ int data = pl01x_getc (CONSOLE_PORT);
+
+ if (!serial_init_called)
+ serial_init();
+
+ return data;
}
int serial_tstc (void)