#if defined(CONFIG_MPC83xx) || defined(CONFIG_MPC85xx) || \
defined(CONFIG_MPC86xx) || \
- defined(CONFIG_TEGRA) || defined(CONFIG_SYS_COREBOOT) || \
+ defined(CONFIG_ARCH_TEGRA) || defined(CONFIG_SYS_COREBOOT) || \
defined(CONFIG_MICROBLAZE)
extern struct serial_device serial0_device;
extern struct serial_device serial1_device;
/* For usbtty */
#ifdef CONFIG_USB_TTY
-extern int usbtty_getc(void);
-extern void usbtty_putc(const char c);
-extern void usbtty_puts(const char *str);
-extern int usbtty_tstc(void);
+struct stdio_dev;
+
+int usbtty_getc(struct stdio_dev *dev);
+void usbtty_putc(struct stdio_dev *dev, const char c);
+void usbtty_puts(struct stdio_dev *dev, const char *str);
+int usbtty_tstc(struct stdio_dev *dev);
#else
/* stubs */
-#define usbtty_getc() 0
-#define usbtty_putc(a)
-#define usbtty_puts(a)
-#define usbtty_tstc() 0
+#define usbtty_getc(dev) 0
+#define usbtty_putc(dev, a)
+#define usbtty_puts(dev, a)
+#define usbtty_tstc(dev) 0
#endif /* CONFIG_USB_TTY */
#define SERIAL_PAR_SHIFT 0
#define SERIAL_PAR_MASK (0x03 << SERIAL_PAR_SHIFT)
+#define SERIAL_SET_PARITY(parity) \
+ ((parity << SERIAL_PAR_SHIFT) & SERIAL_PAR_MASK)
#define SERIAL_GET_PARITY(config) \
((config & SERIAL_PAR_MASK) >> SERIAL_PAR_SHIFT)
#define SERIAL_BITS_SHIFT 2
#define SERIAL_BITS_MASK (0x3 << SERIAL_BITS_SHIFT)
+#define SERIAL_SET_BITS(bits) \
+ ((bits << SERIAL_BITS_SHIFT) & SERIAL_BITS_MASK)
#define SERIAL_GET_BITS(config) \
((config & SERIAL_BITS_MASK) >> SERIAL_BITS_SHIFT)
#define SERIAL_STOP_SHIFT 4
#define SERIAL_STOP_MASK (0x3 << SERIAL_STOP_SHIFT)
+#define SERIAL_SET_STOP(stop) \
+ ((stop << SERIAL_STOP_SHIFT) & SERIAL_STOP_MASK)
#define SERIAL_GET_STOP(config) \
((config & SERIAL_STOP_MASK) >> SERIAL_STOP_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
+#define SERIAL_DEFAULT_CONFIG \
+ (SERIAL_PAR_NONE << SERIAL_PAR_SHIFT | \
+ SERIAL_8_BITS << SERIAL_BITS_SHIFT | \
+ SERIAL_ONE_STOP << SERIAL_STOP_SHIFT)
+
+enum serial_chip_type {
+ SERIAL_CHIP_UNKNOWN = -1,
+ SERIAL_CHIP_16550_COMPATIBLE,
+};
+
+enum adr_space_type {
+ SERIAL_ADDRESS_SPACE_MEMORY = 0,
+ SERIAL_ADDRESS_SPACE_IO,
+};
+
+/**
+ * struct serial_device_info - structure to hold serial device info
+ *
+ * @type: type of the UART chip
+ * @addr_space: address space to access the registers
+ * @addr: physical address of the registers
+ * @reg_width: size (in bytes) of the IO accesses to the registers
+ * @reg_offset: offset to apply to the @addr from the start of the registers
+ * @reg_shift: quantity to shift the register offsets by
+ * @clock: UART base clock speed in Hz
+ * @baudrate: baud rate
+ */
+struct serial_device_info {
+ enum serial_chip_type type;
+ enum adr_space_type addr_space;
+ ulong addr;
+ u8 reg_width;
+ u8 reg_offset;
+ u8 reg_shift;
+ unsigned int clock;
+ unsigned int baudrate;
+};
+
+#define SERIAL_DEFAULT_ADDRESS 0xBADACCE5
+#define SERIAL_DEFAULT_CLOCK (16 * 115200)
/**
* struct struct dm_serial_ops - Driver model serial operations
int (*loop)(struct udevice *dev, int on);
#endif
+ /**
+ * getconfig() - Get the uart configuration
+ * (parity, 5/6/7/8 bits word length, stop bits)
+ *
+ * Get a current config for this device.
+ *
+ * @dev: Device pointer
+ * @serial_config: Returns config information (see SERIAL_... above)
+ * @return 0 if OK, -ve on error
+ */
+ int (*getconfig)(struct udevice *dev, uint *serial_config);
/**
* setconfig() - Set up the uart configuration
* (parity, 5/6/7/8 bits word length, stop bits)
* @return 0 if OK, -ve on error
*/
int (*setconfig)(struct udevice *dev, uint serial_config);
+ /**
+ * getinfo() - Get serial device information
+ *
+ * @dev: Device pointer
+ * @info: struct serial_device_info to fill
+ * @return 0 if OK, -ve on error
+ */
+ int (*getinfo)(struct udevice *dev, struct serial_device_info *info);
};
/**
/* Access the serial operations for a device */
#define serial_get_ops(dev) ((struct dm_serial_ops *)(dev)->driver->ops)
+/**
+ * serial_getconfig() - Get the uart configuration
+ * (parity, 5/6/7/8 bits word length, stop bits)
+ *
+ * Get a current config for this device.
+ *
+ * @dev: Device pointer
+ * @serial_config: Returns config information (see SERIAL_... above)
+ * @return 0 if OK, -ve on error
+ */
+int serial_getconfig(struct udevice *dev, uint *config);
+
+/**
+ * serial_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
+ * @serial_config: number of bits, parity and number of stopbits to use
+ * @return 0 if OK, -ve on error
+ */
+int serial_setconfig(struct udevice *dev, uint config);
+
+/**
+ * serial_getinfo() - Get serial device information
+ *
+ * @dev: Device pointer
+ * @info: struct serial_device_info to fill
+ * @return 0 if OK, -ve on error
+ */
+int serial_getinfo(struct udevice *dev, struct serial_device_info *info);
+
void atmel_serial_initialize(void);
void mcf_serial_initialize(void);
void mpc85xx_serial_initialize(void);
void pxa_serial_initialize(void);
void sh_serial_initialize(void);
+/**
+ * serial_printf() - Write a formatted string to the serial console
+ *
+ * The total size of the output must be less than CONFIG_SYS_PBSIZE.
+ *
+ * @fmt: Printf format string, followed by format arguments
+ * @return number of characters written
+ */
+int serial_printf(const char *fmt, ...)
+ __attribute__ ((format (__printf__, 1, 2)));
+
+int serial_init(void);
+void serial_setbrg(void);
+void serial_putc(const char ch);
+void serial_putc_raw(const char ch);
+void serial_puts(const char *str);
+int serial_getc(void);
+int serial_tstc(void);
+
#endif
projects / oweals / u-boot.git / blobdiff