diff options
Diffstat (limited to 'arch')
-rw-r--r-- | arch/powerpc/cpu/mpc85xx/serial_scc.c | 71 |
1 files changed, 60 insertions, 11 deletions
diff --git a/arch/powerpc/cpu/mpc85xx/serial_scc.c b/arch/powerpc/cpu/mpc85xx/serial_scc.c index 2dab212..d192642 100644 --- a/arch/powerpc/cpu/mpc85xx/serial_scc.c +++ b/arch/powerpc/cpu/mpc85xx/serial_scc.c @@ -34,6 +34,8 @@ #include <common.h> #include <asm/cpm_85xx.h> +#include <serial.h> +#include <linux/compiler.h> DECLARE_GLOBAL_DATA_PTR; @@ -85,7 +87,7 @@ DECLARE_GLOBAL_DATA_PTR; #endif -int serial_init (void) +static int mpc85xx_serial_init(void) { volatile ccsr_cpm_t *cpm = (ccsr_cpm_t *)CONFIG_SYS_MPC85xx_CPM_ADDR; volatile ccsr_cpm_scc_t *sp; @@ -184,8 +186,7 @@ int serial_init (void) return (0); } -void -serial_setbrg (void) +static void mpc85xx_serial_setbrg(void) { #if defined(CONFIG_CONS_USE_EXTC) m8560_cpm_extcbrg(SCC_INDEX, gd->baudrate, @@ -195,8 +196,7 @@ serial_setbrg (void) #endif } -void -serial_putc(const char c) +static void mpc85xx_serial_putc(const char c) { volatile scc_uart_t *up; volatile cbd_t *tbdf; @@ -220,16 +220,14 @@ serial_putc(const char c) tbdf->cbd_sc |= BD_SC_READY; } -void -serial_puts (const char *s) +static void mpc85xx_serial_puts(const char *s) { while (*s) { serial_putc (*s++); } } -int -serial_getc(void) +static int mpc85xx_serial_getc(void) { volatile cbd_t *rbdf; volatile scc_uart_t *up; @@ -252,8 +250,7 @@ serial_getc(void) return (c); } -int -serial_tstc() +static int mpc85xx_serial_tstc(void) { volatile cbd_t *rbdf; volatile scc_uart_t *up; @@ -265,4 +262,56 @@ serial_tstc() return ((rbdf->cbd_sc & BD_SC_EMPTY) == 0); } +#ifdef CONFIG_SERIAL_MULTI +static struct serial_device mpc85xx_serial_drv = { + .name = "mpc85xx_serial", + .start = mpc85xx_serial_init, + .stop = NULL, + .setbrg = mpc85xx_serial_setbrg, + .putc = mpc85xx_serial_putc, + .puts = mpc85xx_serial_puts, + .getc = mpc85xx_serial_getc, + .tstc = mpc85xx_serial_tstc, +}; + +void mpc85xx_serial_initialize(void) +{ + serial_register(&mpc85xx_serial_drv); +} + +__weak struct serial_device *default_serial_console(void) +{ + return &mpc85xx_serial_drv; +} +#else +int serial_init(void) +{ + return mpc85xx_serial_init(); +} + +void serial_setbrg(void) +{ + mpc85xx_serial_setbrg(); +} + +void serial_putc(const char c) +{ + mpc85xx_serial_putc(c); +} + +void serial_puts(const char *s) +{ + mpc85xx_serial_puts(s); +} + +int serial_getc(void) +{ + return mpc85xx_serial_getc(); +} + +int serial_tstc(void) +{ + return mpc85xx_serial_tstc(); +} +#endif #endif /* CONFIG_CONS_ON_SCC */ |