diff options
Diffstat (limited to 'include/linux/serial_reg.h')
| -rw-r--r-- | include/linux/serial_reg.h | 43 |
1 files changed, 39 insertions, 4 deletions
diff --git a/include/linux/serial_reg.h b/include/linux/serial_reg.h index 850db2e80510..3ecb71a9e505 100644 --- a/include/linux/serial_reg.h +++ b/include/linux/serial_reg.h @@ -99,6 +99,13 @@ #define UART_LCR_WLEN7 0x02 /* Wordlength: 7 bits */ #define UART_LCR_WLEN8 0x03 /* Wordlength: 8 bits */ +/* + * Access to some registers depends on register access / configuration + * mode. + */ +#define UART_LCR_CONF_MODE_A UART_LCR_DLAB /* Configutation mode A */ +#define UART_LCR_CONF_MODE_B 0xBF /* Configutation mode B */ + #define UART_MCR 4 /* Out: Modem Control Register */ #define UART_MCR_CLKSEL 0x80 /* Divide clock by 4 (TI16C752, EFR[4]=1) */ #define UART_MCR_TCRTLR 0x40 /* Access TCR/TLR (TI16C752, EFR[4]=1) */ @@ -216,13 +223,29 @@ #define UART_IIR_TOD 0x08 /* Character Timeout Indication Detected */ -#define UART_FCR_PXAR1 0x00 /* receive FIFO treshold = 1 */ -#define UART_FCR_PXAR8 0x40 /* receive FIFO treshold = 8 */ -#define UART_FCR_PXAR16 0x80 /* receive FIFO treshold = 16 */ -#define UART_FCR_PXAR32 0xc0 /* receive FIFO treshold = 32 */ +#define UART_FCR_PXAR1 0x00 /* receive FIFO threshold = 1 */ +#define UART_FCR_PXAR8 0x40 /* receive FIFO threshold = 8 */ +#define UART_FCR_PXAR16 0x80 /* receive FIFO threshold = 16 */ +#define UART_FCR_PXAR32 0xc0 /* receive FIFO threshold = 32 */ +/* + * Intel MID on-chip HSU (High Speed UART) defined bits + */ +#define UART_FCR_HSU_64_1B 0x00 /* receive FIFO treshold = 1 */ +#define UART_FCR_HSU_64_16B 0x40 /* receive FIFO treshold = 16 */ +#define UART_FCR_HSU_64_32B 0x80 /* receive FIFO treshold = 32 */ +#define UART_FCR_HSU_64_56B 0xc0 /* receive FIFO treshold = 56 */ +#define UART_FCR_HSU_16_1B 0x00 /* receive FIFO treshold = 1 */ +#define UART_FCR_HSU_16_4B 0x40 /* receive FIFO treshold = 4 */ +#define UART_FCR_HSU_16_8B 0x80 /* receive FIFO treshold = 8 */ +#define UART_FCR_HSU_16_14B 0xc0 /* receive FIFO treshold = 14 */ +#define UART_FCR_HSU_64B_FIFO 0x20 /* chose 64 bytes FIFO */ +#define UART_FCR_HSU_16B_FIFO 0x00 /* chose 16 bytes FIFO */ + +#define UART_FCR_HALF_EMPT_TXI 0x00 /* trigger TX_EMPT IRQ for half empty */ +#define UART_FCR_FULL_EMPT_TXI 0x08 /* trigger TX_EMPT IRQ for full empty */ /* * These register definitions are for the 16C950 @@ -325,5 +348,17 @@ #define UART_OMAP_SYSS 0x16 /* System status register */ #define UART_OMAP_WER 0x17 /* Wake-up enable register */ +/* + * These are the definitions for the MDR1 register + */ +#define UART_OMAP_MDR1_16X_MODE 0x00 /* UART 16x mode */ +#define UART_OMAP_MDR1_SIR_MODE 0x01 /* SIR mode */ +#define UART_OMAP_MDR1_16X_ABAUD_MODE 0x02 /* UART 16x auto-baud */ +#define UART_OMAP_MDR1_13X_MODE 0x03 /* UART 13x mode */ +#define UART_OMAP_MDR1_MIR_MODE 0x04 /* MIR mode */ +#define UART_OMAP_MDR1_FIR_MODE 0x05 /* FIR mode */ +#define UART_OMAP_MDR1_CIR_MODE 0x06 /* CIR mode */ +#define UART_OMAP_MDR1_DISABLE 0x07 /* Disable (default state) */ + #endif /* _LINUX_SERIAL_REG_H */ |