diff options
Diffstat (limited to 'arch/powerpc')
-rw-r--r-- | arch/powerpc/cpu/mpc8220/uart.c | 67 |
1 files changed, 61 insertions, 6 deletions
diff --git a/arch/powerpc/cpu/mpc8220/uart.c b/arch/powerpc/cpu/mpc8220/uart.c index 0c4b536..545c81a 100644 --- a/arch/powerpc/cpu/mpc8220/uart.c +++ b/arch/powerpc/cpu/mpc8220/uart.c @@ -29,13 +29,15 @@ #include <common.h> #include <mpc8220.h> +#include <serial.h> +#include <linux/compiler.h> DECLARE_GLOBAL_DATA_PTR; #define PSC_BASE MMAP_PSC1 #if defined(CONFIG_PSC_CONSOLE) -int serial_init (void) +static int mpc8220_serial_init(void) { volatile psc8220_t *psc = (psc8220_t *) PSC_BASE; u32 counter; @@ -69,7 +71,7 @@ int serial_init (void) return (0); } -void serial_putc (const char c) +static void mpc8220_serial_putc(const char c) { volatile psc8220_t *psc = (psc8220_t *) PSC_BASE; @@ -82,14 +84,14 @@ void serial_putc (const char c) psc->xmitbuf[0] = c; } -void serial_puts (const char *s) +static void mpc8220_serial_puts(const char *s) { while (*s) { serial_putc (*s++); } } -int serial_getc (void) +static int mpc8220_serial_getc(void) { volatile psc8220_t *psc = (psc8220_t *) PSC_BASE; @@ -98,14 +100,14 @@ int serial_getc (void) return psc->xmitbuf[2]; } -int serial_tstc (void) +static int mpc8220_serial_tstc(void) { volatile psc8220_t *psc = (psc8220_t *) PSC_BASE; return (psc->sr_csr & PSC_SR_RXRDY); } -void serial_setbrg (void) +static void mpc8220_serial_setbrg(void) { volatile psc8220_t *psc = (psc8220_t *) PSC_BASE; u32 counter; @@ -123,4 +125,57 @@ void serial_setbrg (void) psc->cr = PSC_CR_RX_ENABLE | PSC_CR_TX_ENABLE; } + +#ifdef CONFIG_SERIAL_MULTI +static struct serial_device mpc8220_serial_drv = { + .name = "mpc8220_serial", + .start = mpc8220_serial_init, + .stop = NULL, + .setbrg = mpc8220_serial_setbrg, + .putc = mpc8220_serial_putc, + .puts = mpc8220_serial_puts, + .getc = mpc8220_serial_getc, + .tstc = mpc8220_serial_tstc, +}; + +void mpc8220_serial_initialize(void) +{ + serial_register(&mpc8220_serial_drv); +} + +__weak struct serial_device *default_serial_console(void) +{ + return &mpc8220_serial_drv; +} +#else +int serial_init(void) +{ + return mpc8220_serial_init(); +} + +void serial_setbrg(void) +{ + mpc8220_serial_setbrg(); +} + +void serial_putc(const char c) +{ + mpc8220_serial_putc(c); +} + +void serial_puts(const char *s) +{ + mpc8220_serial_puts(s); +} + +int serial_getc(void) +{ + return mpc8220_serial_getc(); +} + +int serial_tstc(void) +{ + return mpc8220_serial_tstc(); +} +#endif #endif /* CONFIG_PSC_CONSOLE */ |