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) || \
- defined(CONFIG_405EP) || defined(CONFIG_405EZ) || \
- defined(CONFIG_405EX) || defined(CONFIG_440) || \
- defined(CONFIG_MB86R0x) || defined(CONFIG_MPC5xxx) || \
- defined(CONFIG_MPC83xx) || defined(CONFIG_MPC85xx) || \
- defined(CONFIG_MPC86xx) || defined(CONFIG_SYS_SC520) || \
- defined(CONFIG_TEGRA20) || defined(CONFIG_SYS_COREBOOT) || \
+#if defined(CONFIG_MPC83xx) || defined(CONFIG_MPC85xx) || \
+ defined(CONFIG_MPC86xx) || \
+ 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)
+#endif
+
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_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
-
-#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 eserial5_device;
+extern struct serial_device eserial6_device;
extern void serial_register(struct serial_device *);
extern void serial_initialize(void);
#endif /* CONFIG_USB_TTY */
-#if defined(CONFIG_MPC512X) && defined(CONFIG_SERIAL_MULTI)
-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);
+struct udevice;
+
+enum serial_par {
+ SERIAL_PAR_NONE,
+ SERIAL_PAR_ODD,
+ SERIAL_PAR_EVEN
+};
+
+#define SERIAL_PAR_SHIFT 0
+#define SERIAL_PAR_MASK (0x03 << SERIAL_PAR_SHIFT)
+#define SERIAL_GET_PARITY(config) \
+ ((config & SERIAL_PAR_MASK) >> SERIAL_PAR_SHIFT)
+
+enum serial_bits {
+ SERIAL_5_BITS,
+ SERIAL_6_BITS,
+ SERIAL_7_BITS,
+ SERIAL_8_BITS
+};
+
+#define SERIAL_BITS_SHIFT 2
+#define SERIAL_BITS_MASK (0x3 << SERIAL_BITS_SHIFT)
+#define SERIAL_GET_BITS(config) \
+ ((config & SERIAL_BITS_MASK) >> SERIAL_BITS_SHIFT)
+
+enum serial_stop {
+ SERIAL_HALF_STOP, /* 0.5 stop bit */
+ SERIAL_ONE_STOP, /* 1 stop bit */
+ SERIAL_ONE_HALF_STOP, /* 1.5 stop bit */
+ SERIAL_TWO_STOP /* 2 stop bit */
+};
+
+#define SERIAL_STOP_SHIFT 4
+#define SERIAL_STOP_MASK (0x3 << SERIAL_STOP_SHIFT)
+#define SERIAL_GET_STOP(config) \
+ ((config & SERIAL_STOP_MASK) >> SERIAL_STOP_SHIFT)
+
+#define SERIAL_CONFIG(par, bits, stop) \
+ (par << SERIAL_PAR_SHIFT | \
+ bits << SERIAL_BITS_SHIFT | \
+ stop << SERIAL_STOP_SHIFT)
+
+#define SERIAL_DEFAULT_CONFIG SERIAL_PAR_NONE << SERIAL_PAR_SHIFT | \
+ SERIAL_8_BITS << SERIAL_BITS_SHIFT | \
+ SERIAL_ONE_STOP << SERIAL_STOP_SHIFT
+
+/**
+ * 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
+ /**
+ * setconfig() - Set up the uart configuration
+ * (parity, 5/6/7/8 bits word length, stop bits)
+ *
+ * Set up a new config for this device.
+ *
+ * @dev: Device pointer
+ * @parity: parity to use
+ * @bits: bits number to use
+ * @stop: stop bits number to use
+ * @return 0 if OK, -ve on error
+ */
+ int (*setconfig)(struct udevice *dev, uint serial_config);
+};
+
+/**
+ * struct serial_dev_priv - information about a device used by the uclass
+ *
+ * @sdev: stdio device attached to this uart
+ *
+ * @buf: Pointer to the RX buffer
+ * @rd_ptr: Read pointer in the RX buffer
+ * @wr_ptr: Write pointer in the RX buffer
+ */
+struct serial_dev_priv {
+ struct stdio_dev *sdev;
+
+ char *buf;
+ int rd_ptr;
+ int wr_ptr;
+};
+
+/* Access the serial operations for a device */
+#define serial_get_ops(dev) ((struct dm_serial_ops *)(dev)->driver->ops)
+
+void atmel_serial_initialize(void);
+void mcf_serial_initialize(void);
+void mpc85xx_serial_initialize(void);
+void mpc8xx_serial_initialize(void);
+void mxc_serial_initialize(void);
+void ns16550_serial_initialize(void);
+void pl01x_serial_initialize(void);
+void pxa_serial_initialize(void);
+void sh_serial_initialize(void);
+
#endif