X-Git-Url: https://git.kernelconcepts.de/?p=karo-tx-uboot.git;a=blobdiff_plain;f=include%2Fserial.h;h=de40e9406f89863e8347b100e3f63d3ebe5b6928;hp=d76d6dfb6d4db098687e016082ee2654da25e07a;hb=9c867060812647af60840df7caf78f6567b2bd29;hpb=c413a004ea62d0ff150c85615348c59ea456bb34 diff --git a/include/serial.h b/include/serial.h index d76d6dfb6d..de40e9406f 100644 --- a/include/serial.h +++ b/include/serial.h @@ -5,90 +5,41 @@ struct serial_device { /* enough bytes to match alignment of following func pointer */ - char name[16]; - - int (*init) (void); - int (*uninit) (void); - void (*setbrg) (void); - int (*getc) (void); - int (*tstc) (void); - void (*putc) (const char c); - void (*puts) (const char *s); + char name[16]; + + int (*start)(void); + int (*stop)(void); + void (*setbrg)(void); + int (*getc)(void); + int (*tstc)(void); + void (*putc)(const char c); + void (*puts)(const char *s); #if CONFIG_POST & CONFIG_SYS_POST_UART - void (*loop) (int); + void (*loop)(int); #endif - - struct serial_device *next; + struct serial_device *next; }; +void default_serial_puts(const char *s); + extern struct serial_device serial_smc_device; extern struct serial_device serial_scc_device; extern struct serial_device *default_serial_console(void); -#if defined(CONFIG_405GP) || defined(CONFIG_405CR) || \ +#if defined(CONFIG_405GP) || \ defined(CONFIG_405EP) || defined(CONFIG_405EZ) || \ defined(CONFIG_405EX) || defined(CONFIG_440) || \ - defined(CONFIG_MB86R0x) || defined(CONFIG_MPC5xxx) || \ + defined(CONFIG_MPC5xxx) || \ defined(CONFIG_MPC83xx) || defined(CONFIG_MPC85xx) || \ defined(CONFIG_MPC86xx) || defined(CONFIG_SYS_SC520) || \ - defined(CONFIG_TEGRA20) || defined(CONFIG_SYS_COREBOOT) || \ + defined(CONFIG_TEGRA) || defined(CONFIG_SYS_COREBOOT) || \ defined(CONFIG_MICROBLAZE) extern struct serial_device serial0_device; extern struct serial_device serial1_device; -#if defined(CONFIG_SYS_NS16550_SERIAL) -extern struct serial_device eserial1_device; -extern struct serial_device eserial2_device; -extern struct serial_device eserial3_device; -extern struct serial_device eserial4_device; -#endif /* CONFIG_SYS_NS16550_SERIAL */ - -#endif - -#if defined(CONFIG_MPC512X) -extern struct serial_device serial1_device; -extern struct serial_device serial3_device; -extern struct serial_device serial4_device; -extern struct serial_device serial6_device; -#endif - -#if defined(CONFIG_XILINX_UARTLITE) -extern struct serial_device uartlite_serial0_device; -extern struct serial_device uartlite_serial1_device; -extern struct serial_device uartlite_serial2_device; -extern struct serial_device uartlite_serial3_device; -#endif - -#if defined(CONFIG_S3C2410) -extern struct serial_device s3c24xx_serial0_device; -extern struct serial_device s3c24xx_serial1_device; -extern struct serial_device s3c24xx_serial2_device; -#endif - -#if defined(CONFIG_S5P) -extern struct serial_device s5p_serial0_device; -extern struct serial_device s5p_serial1_device; -extern struct serial_device s5p_serial2_device; -extern struct serial_device s5p_serial3_device; #endif -#if defined(CONFIG_OMAP3_ZOOM2) -extern struct serial_device zoom2_serial_device0; -extern struct serial_device zoom2_serial_device1; -extern struct serial_device zoom2_serial_device2; -extern struct serial_device zoom2_serial_device3; -#endif - -extern struct serial_device serial_ffuart_device; -extern struct serial_device serial_btuart_device; -extern struct serial_device serial_stuart_device; - -#if defined(CONFIG_SYS_BFIN_UART) -extern void serial_register_bfin_uart(void); -extern struct serial_device bfin_serial0_device; -extern struct serial_device bfin_serial1_device; -extern struct serial_device bfin_serial2_device; -extern struct serial_device bfin_serial3_device; -#endif +extern struct serial_device eserial1_device; +extern struct serial_device eserial2_device; extern void serial_register(struct serial_device *); extern void serial_initialize(void); @@ -114,11 +65,151 @@ extern int usbtty_tstc(void); #endif /* CONFIG_USB_TTY */ -#if defined(CONFIG_MPC512X) && defined(CONFIG_SERIAL_MULTI) +#if defined(CONFIG_MPC512X) extern struct stdio_dev *open_port(int num, int baudrate); extern int close_port(int num); extern int write_port(struct stdio_dev *port, char *buf); extern int read_port(struct stdio_dev *port, char *buf, int size); #endif +struct udevice; + +/** + * struct struct dm_serial_ops - Driver model serial operations + * + * The uclass interface is implemented by all serial devices which use + * driver model. + */ +struct dm_serial_ops { + /** + * setbrg() - Set up the baud rate generator + * + * Adjust baud rate divisors to set up a new baud rate for this + * device. Not all devices will support all rates. If the rate + * cannot be supported, the driver is free to select the nearest + * available rate. or return -EINVAL if this is not possible. + * + * @dev: Device pointer + * @baudrate: New baud rate to use + * @return 0 if OK, -ve on error + */ + int (*setbrg)(struct udevice *dev, int baudrate); + /** + * getc() - Read a character and return it + * + * If no character is available, this should return -EAGAIN without + * waiting. + * + * @dev: Device pointer + * @return character (0..255), -ve on error + */ + int (*getc)(struct udevice *dev); + /** + * putc() - Write a character + * + * @dev: Device pointer + * @ch: character to write + * @return 0 if OK, -ve on error + */ + int (*putc)(struct udevice *dev, const char ch); + /** + * pending() - Check if input/output characters are waiting + * + * This can be used to return an indication of the number of waiting + * characters if the driver knows this (e.g. by looking at the FIFO + * level). It is acceptable to return 1 if an indeterminant number + * of characters is waiting. + * + * This method is optional. + * + * @dev: Device pointer + * @input: true to check input characters, false for output + * @return number of waiting characters, 0 for none, -ve on error + */ + int (*pending)(struct udevice *dev, bool input); + /** + * clear() - Clear the serial FIFOs/holding registers + * + * This method is optional. + * + * This quickly clears any input/output characters from the UART. + * If this is not possible, but characters still exist, then it + * is acceptable to return -EAGAIN (try again) or -EINVAL (not + * supported). + * + * @dev: Device pointer + * @return 0 if OK, -ve on error + */ + int (*clear)(struct udevice *dev); +#if CONFIG_POST & CONFIG_SYS_POST_UART + /** + * loop() - Control serial device loopback mode + * + * @dev: Device pointer + * @on: 1 to turn loopback on, 0 to turn if off + */ + int (*loop)(struct udevice *dev, int on); +#endif +}; + +/** + * struct serial_dev_priv - information about a device used by the uclass + * + * @sdev: stdio device attached to this uart + */ +struct serial_dev_priv { + struct stdio_dev *sdev; +}; + +/* Access the serial operations for a device */ +#define serial_get_ops(dev) ((struct dm_serial_ops *)(dev)->driver->ops) + +void altera_jtag_serial_initialize(void); +void altera_serial_initialize(void); +void amirix_serial_initialize(void); +void arc_serial_initialize(void); +void arm_dcc_initialize(void); +void asc_serial_initialize(void); +void atmel_serial_initialize(void); +void au1x00_serial_initialize(void); +void bfin_jtag_initialize(void); +void bfin_serial_initialize(void); +void bmw_serial_initialize(void); +void clps7111_serial_initialize(void); +void cogent_serial_initialize(void); +void cpci750_serial_initialize(void); +void evb64260_serial_initialize(void); +void imx_serial_initialize(void); +void iop480_serial_initialize(void); +void jz_serial_initialize(void); +void leon2_serial_initialize(void); +void leon3_serial_initialize(void); +void lh7a40x_serial_initialize(void); +void lpc32xx_serial_initialize(void); +void marvell_serial_initialize(void); +void max3100_serial_initialize(void); +void mcf_serial_initialize(void); +void ml2_serial_initialize(void); +void mpc512x_serial_initialize(void); +void mpc5xx_serial_initialize(void); +void mpc8260_scc_serial_initialize(void); +void mpc8260_smc_serial_initialize(void); +void mpc85xx_serial_initialize(void); +void mpc8xx_serial_initialize(void); +void mxc_serial_initialize(void); +void mxs_auart_initialize(void); +void ns16550_serial_initialize(void); +void oc_serial_initialize(void); +void p3mx_serial_initialize(void); +void pl01x_serial_initialize(void); +void pxa_serial_initialize(void); +void s3c24xx_serial_initialize(void); +void s5p_serial_initialize(void); +void sa1100_serial_initialize(void); +void sandbox_serial_initialize(void); +void sconsole_serial_initialize(void); +void sh_serial_initialize(void); +void uartlite_serial_initialize(void); +void zynq_serial_initialize(void); + #endif