at91rm9200: move serial shutdown code to serial drivers

introduce serial_exit for this purpose. Use it only when the rm9200
serial driver is active
Signed-off-by: default avatarJean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
parent beebd851
......@@ -166,21 +166,14 @@ ulong get_tbclk (void)
void reset_cpu (ulong ignored)
{
#ifdef CONFIG_DBGU
AT91PS_USART us = (AT91PS_USART) AT91C_BASE_DBGU;
#endif
#ifdef CONFIG_USART0
AT91PS_USART us = AT91C_BASE_US0;
#endif
#ifdef CONFIG_USART1
AT91PS_USART us = AT91C_BASE_US1;
#endif
#ifdef CONFIG_AT91RM9200DK
AT91PS_PIO pio = AT91C_BASE_PIOA;
#endif
#if defined(CONFIG_AT91RM9200_USART)
/*shutdown the console to avoid strange chars during reset */
us->US_CR = (AT91C_US_RSTRX | AT91C_US_RSTTX);
serial_exit();
#endif
#ifdef CONFIG_AT91RM9200DK
/* Clear PA19 to trigger the hard reset */
......
......@@ -86,6 +86,11 @@ int serial_init (void)
return (0);
}
void serial_exit (void)
{
us->US_CR = (AT91C_US_RSTRX | AT91C_US_RSTTX);
}
void serial_putc (const char c)
{
if (c == '\n')
......
......@@ -453,6 +453,7 @@ void ft_pci_setup(void *blob, bd_t *bd);
/* $(CPU)/serial.c */
int serial_init (void);
void serial_exit (void);
void serial_addr (unsigned int);
void serial_setbrg (void);
void serial_putc (const char);
......
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