diff options
Diffstat (limited to 'arch')
-rw-r--r-- | arch/sparc/cpu/leon3/serial.c | 83 |
1 files changed, 69 insertions, 14 deletions
diff --git a/arch/sparc/cpu/leon3/serial.c b/arch/sparc/cpu/leon3/serial.c index 4b2fcb8..a110244 100644 --- a/arch/sparc/cpu/leon3/serial.c +++ b/arch/sparc/cpu/leon3/serial.c @@ -27,6 +27,8 @@ #include <asm/processor.h> #include <asm/leon.h> #include <ambapp.h> +#include <serial.h> +#include <linux/compiler.h> DECLARE_GLOBAL_DATA_PTR; @@ -42,7 +44,7 @@ DECLARE_GLOBAL_DATA_PTR; ambapp_dev_apbuart *leon3_apbuart = NULL; -int serial_init(void) +static int leon3_serial_init(void) { ambapp_apbdev apbdev; unsigned int tmp; @@ -72,15 +74,7 @@ int serial_init(void) return -1; /* didn't find hardware */ } -void serial_putc(const char c) -{ - if (c == '\n') - serial_putc_raw('\r'); - - serial_putc_raw(c); -} - -void serial_putc_raw(const char c) +static void leon3_serial_putc_raw(const char c) { if (!leon3_apbuart) return; @@ -97,14 +91,22 @@ void serial_putc_raw(const char c) #endif } -void serial_puts(const char *s) +static void leon3_serial_putc(const char c) +{ + if (c == '\n') + leon3_serial_putc_raw('\r'); + + leon3_serial_putc_raw(c); +} + +static void leon3_serial_puts(const char *s) { while (*s) { serial_putc(*s++); } } -int serial_getc(void) +static int leon3_serial_getc(void) { if (!leon3_apbuart) return 0; @@ -116,7 +118,7 @@ int serial_getc(void) return READ_WORD(leon3_apbuart->data); } -int serial_tstc(void) +static int leon3_serial_tstc(void) { if (leon3_apbuart) return (READ_WORD(leon3_apbuart->status) & @@ -125,7 +127,7 @@ int serial_tstc(void) } /* set baud rate for uart */ -void serial_setbrg(void) +static void leon3_serial_setbrg(void) { /* update baud rate settings, read it from gd->baudrate */ unsigned int scaler; @@ -137,3 +139,56 @@ void serial_setbrg(void) } return; } + +#ifdef CONFIG_SERIAL_MULTI +static struct serial_device leon3_serial_drv = { + .name = "leon3_serial", + .start = leon3_serial_init, + .stop = NULL, + .setbrg = leon3_serial_setbrg, + .putc = leon3_serial_putc, + .puts = leon3_serial_puts, + .getc = leon3_serial_getc, + .tstc = leon3_serial_tstc, +}; + +void leon3_serial_initialize(void) +{ + serial_register(&leon3_serial_drv); +} + +__weak struct serial_device *default_serial_console(void) +{ + return &leon3_serial_drv; +} +#else +int serial_init(void) +{ + return leon3_serial_init(); +} + +void serial_setbrg(void) +{ + leon3_serial_setbrg(); +} + +void serial_putc(const char c) +{ + leon3_serial_putc(c); +} + +void serial_puts(const char *s) +{ + leon3_serial_puts(s); +} + +int serial_getc(void) +{ + return leon3_serial_getc(); +} + +int serial_tstc(void) +{ + return leon3_serial_tstc(); +} +#endif |