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Merge branch 'master' of git://git.denx.de/u-boot-sh

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This commit is contained in:
Tom Rini 2012-11-30 07:15:27 -07:00
commit b04eb342af
2 changed files with 14 additions and 8 deletions
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2
arch/sh/include/asm/system.h
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@ -274,8 +274,8 @@ void enable_hlt(void);
static inline void trigger_address_error(void)
{
set_bl_bit();
__asm__ __volatile__ (
"ldc %0, sr\n\t"
"mov.l @%1, %0"
:
: "r" (0x10000000), "r" (0x80000001)

20
drivers/serial/serial_sh.c
View File

@ -117,6 +117,14 @@ static int serial_rx_fifo_level(void)
return scif_rxfill(&sh_sci);
}
static void handle_error(void)
{
sci_in(&sh_sci, SCxSR);
sci_out(&sh_sci, SCxSR, SCxSR_ERROR_CLEAR(&sh_sci));
sci_in(&sh_sci, SCLSR);
sci_out(&sh_sci, SCLSR, 0x00);
}
void serial_raw_putc(const char c)
{
while (1) {
@ -138,16 +146,14 @@ static void sh_serial_putc(const char c)
static int sh_serial_tstc(void)
{
if (sci_in(&sh_sci, SCxSR) & SCIF_ERRORS) {
handle_error();
return 0;
}
return serial_rx_fifo_level() ? 1 : 0;
}
void handle_error(void)
{
sci_in(&sh_sci, SCxSR);
sci_out(&sh_sci, SCxSR, SCxSR_ERROR_CLEAR(&sh_sci));
sci_in(&sh_sci, SCLSR);
sci_out(&sh_sci, SCLSR, 0x00);
}
int serial_getc_check(void)
{