diff options
Diffstat (limited to 'drivers/serial')
| -rw-r--r-- | drivers/serial/ns16550.c | 4 | ||||
| -rw-r--r-- | drivers/serial/serial.c | 55 | ||||
| -rw-r--r-- | drivers/serial/serial_ns16550.c | 18 | ||||
| -rw-r--r-- | drivers/serial/serial_sh.h | 3 | ||||
| -rw-r--r-- | drivers/serial/usbtty.c | 8 |
5 files changed, 61 insertions, 27 deletions
diff --git a/drivers/serial/ns16550.c b/drivers/serial/ns16550.c index f26979d..8e7052d 100644 --- a/drivers/serial/ns16550.c +++ b/drivers/serial/ns16550.c @@ -30,7 +30,7 @@ #define serial_in(y) readb(y) #endif -#if defined(CONFIG_K2HK_EVM) +#if defined(CONFIG_SOC_KEYSTONE) #define UART_REG_VAL_PWREMU_MGMT_UART_DISABLE 0 #define UART_REG_VAL_PWREMU_MGMT_UART_ENABLE ((1 << 14) | (1 << 13) | (1 << 0)) #undef UART_MCRVAL @@ -88,7 +88,7 @@ void NS16550_init(NS16550_t com_port, int baud_divisor) /* /16 is proper to hit 115200 with 48MHz */ serial_out(0, &com_port->mdr1); #endif /* CONFIG_OMAP */ -#if defined(CONFIG_K2HK_EVM) +#if defined(CONFIG_SOC_KEYSTONE) serial_out(UART_REG_VAL_PWREMU_MGMT_UART_ENABLE, &com_port->regC); #endif } diff --git a/drivers/serial/serial.c b/drivers/serial/serial.c index fd61a5e..d2eb752 100644 --- a/drivers/serial/serial.c +++ b/drivers/serial/serial.c @@ -254,6 +254,48 @@ void serial_initialize(void) serial_assign(default_serial_console()->name); } +int serial_stub_start(struct stdio_dev *sdev) +{ + struct serial_device *dev = sdev->priv; + + return dev->start(); +} + +int serial_stub_stop(struct stdio_dev *sdev) +{ + struct serial_device *dev = sdev->priv; + + return dev->stop(); +} + +void serial_stub_putc(struct stdio_dev *sdev, const char ch) +{ + struct serial_device *dev = sdev->priv; + + dev->putc(ch); +} + +void serial_stub_puts(struct stdio_dev *sdev, const char *str) +{ + struct serial_device *dev = sdev->priv; + + dev->puts(str); +} + +int serial_stub_getc(struct stdio_dev *sdev) +{ + struct serial_device *dev = sdev->priv; + + return dev->getc(); +} + +int serial_stub_tstc(struct stdio_dev *sdev) +{ + struct serial_device *dev = sdev->priv; + + return dev->tstc(); +} + /** * serial_stdio_init() - Register serial ports with STDIO core * @@ -272,12 +314,12 @@ void serial_stdio_init(void) strcpy(dev.name, s->name); dev.flags = DEV_FLAGS_OUTPUT | DEV_FLAGS_INPUT; - dev.start = s->start; - dev.stop = s->stop; - dev.putc = s->putc; - dev.puts = s->puts; - dev.getc = s->getc; - dev.tstc = s->tstc; + dev.start = serial_stub_start; + dev.stop = serial_stub_stop; + dev.putc = serial_stub_putc; + dev.puts = serial_stub_puts; + dev.getc = serial_stub_getc; + dev.tstc = serial_stub_tstc; stdio_register(&dev); @@ -376,6 +418,7 @@ static struct serial_device *get_current(void) */ int serial_init(void) { + gd->flags |= GD_FLG_SERIAL_READY; return get_current()->start(); } diff --git a/drivers/serial/serial_ns16550.c b/drivers/serial/serial_ns16550.c index ba68d46..4413e69 100644 --- a/drivers/serial/serial_ns16550.c +++ b/drivers/serial/serial_ns16550.c @@ -120,6 +120,8 @@ static NS16550_t serial_ports[6] = { static int calc_divisor (NS16550_t port) { + const unsigned int mode_x_div = 16; + #ifdef CONFIG_OMAP1510 /* If can't cleanly clock 115200 set div to 1 */ if ((CONFIG_SYS_NS16550_CLK == 12000000) && (gd->baudrate == 115200)) { @@ -128,21 +130,9 @@ static int calc_divisor (NS16550_t port) } port->osc_12m_sel = 0; /* clear if previsouly set */ #endif -#ifdef CONFIG_OMAP1610 - /* If can't cleanly clock 115200 set div to 1 */ - if ((CONFIG_SYS_NS16550_CLK == 48000000) && (gd->baudrate == 115200)) { - return (26); /* return 26 for base divisor */ - } -#endif -#define MODE_X_DIV 16 - /* Compute divisor value. Normally, we should simply return: - * CONFIG_SYS_NS16550_CLK) / MODE_X_DIV / gd->baudrate - * but we need to round that value by adding 0.5. - * Rounding is especially important at high baud rates. - */ - return (CONFIG_SYS_NS16550_CLK + (gd->baudrate * (MODE_X_DIV / 2))) / - (MODE_X_DIV * gd->baudrate); + return DIV_ROUND_CLOSEST(CONFIG_SYS_NS16550_CLK, + mode_x_div * gd->baudrate); } void diff --git a/drivers/serial/serial_sh.h b/drivers/serial/serial_sh.h index f5e9854..341997c 100644 --- a/drivers/serial/serial_sh.h +++ b/drivers/serial/serial_sh.h @@ -226,7 +226,8 @@ struct uart_port { # define SCSPTR3 0xffc60020 /* 16 bit SCIF */ # define SCIF_ORER 0x0001 /* Overrun error bit */ # define SCSCR_INIT(port) 0x38 /* TIE=0,RIE=0,TE=1,RE=1,REIE=1 */ -#elif defined(CONFIG_R8A7790) || defined(CONFIG_R8A7791) +#elif defined(CONFIG_R8A7790) || defined(CONFIG_R8A7791) || \ + defined(CONFIG_R8A7794) # define SCIF_ORER 0x0001 # define SCSCR_INIT(port) 0x32 /* TIE=0,RIE=0,TE=1,RE=1,REIE=0, */ #else diff --git a/drivers/serial/usbtty.c b/drivers/serial/usbtty.c index 6b912ef..b030526 100644 --- a/drivers/serial/usbtty.c +++ b/drivers/serial/usbtty.c @@ -389,7 +389,7 @@ static void str2wide (char *str, u16 * wide) * Test whether a character is in the RX buffer */ -int usbtty_tstc (void) +int usbtty_tstc(struct stdio_dev *dev) { struct usb_endpoint_instance *endpoint = &endpoint_instance[rx_endpoint]; @@ -409,7 +409,7 @@ int usbtty_tstc (void) * written into its argument c. */ -int usbtty_getc (void) +int usbtty_getc(struct stdio_dev *dev) { char c; struct usb_endpoint_instance *endpoint = @@ -429,7 +429,7 @@ int usbtty_getc (void) /* * Output a single byte to the usb client port. */ -void usbtty_putc (const char c) +void usbtty_putc(struct stdio_dev *dev, const char c) { if (!usbtty_configured ()) return; @@ -484,7 +484,7 @@ static void __usbtty_puts (const char *str, int len) } } -void usbtty_puts (const char *str) +void usbtty_puts(struct stdio_dev *dev, const char *str) { int n; int len; |