diff options
| author | Stephen Boyd <sboyd@codeaurora.org> | 2014-01-14 12:34:55 -0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-02-12 11:34:23 -0800 |
| commit | f7e54d7ad743a0cf0e400ac185036df6a592567c (patch) | |
| tree | 8a2be5d50787660b58026c8f8366a9065c9d5d60 /drivers/tty/serial/msm_serial.h | |
| parent | b28a960c42fcd9cfc987441fa6d1c1a471f0f9ed (diff) | |
| download | blackbird-op-linux-f7e54d7ad743a0cf0e400ac185036df6a592567c.tar.gz blackbird-op-linux-f7e54d7ad743a0cf0e400ac185036df6a592567c.zip | |
msm_serial: Add support for poll_{get,put}_char()
Implement the polling functionality for the MSM serial driver.
This allows us to use KGDB on this hardware.
Cc: David Brown <davidb@codeaurora.org>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty/serial/msm_serial.h')
| -rw-r--r-- | drivers/tty/serial/msm_serial.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/tty/serial/msm_serial.h b/drivers/tty/serial/msm_serial.h index 469fda50ac63..1e9b68b6f9eb 100644 --- a/drivers/tty/serial/msm_serial.h +++ b/drivers/tty/serial/msm_serial.h @@ -59,6 +59,7 @@ #define UART_CR_CMD_RESET_RFR (14 << 4) #define UART_CR_CMD_PROTECTION_EN (16 << 4) #define UART_CR_CMD_STALE_EVENT_ENABLE (80 << 4) +#define UART_CR_CMD_FORCE_STALE (4 << 8) #define UART_CR_CMD_RESET_TX_READY (3 << 8) #define UART_CR_TX_DISABLE (1 << 3) #define UART_CR_TX_ENABLE (1 << 2) @@ -113,6 +114,14 @@ #define GSBI_PROTOCOL_UART 0x40 #define GSBI_PROTOCOL_IDLE 0x0 +#define UARTDM_RXFS 0x50 +#define UARTDM_RXFS_BUF_SHIFT 0x7 +#define UARTDM_RXFS_BUF_MASK 0x7 + +#define UARTDM_DMEN 0x3C +#define UARTDM_DMEN_RX_SC_ENABLE BIT(5) +#define UARTDM_DMEN_TX_SC_ENABLE BIT(4) + #define UARTDM_DMRX 0x34 #define UARTDM_NCF_TX 0x40 #define UARTDM_RX_TOTAL_SNAP 0x38 |
