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| author | Qipan Li <Qipan.Li@csr.com> | 2013-08-25 16:18:40 +0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-08-28 03:25:44 +0400 |
| commit | 459f15c45eee9136c3ceb7d9c1f88d5f2f225689 (patch) | |
| tree | 0f3c0517ec348f2b59af699ec20fc67a0ae3b732 /drivers/tty/serial/sirfsoc_uart.h | |
| parent | 4f03ffcd3e8a8860c9adc153f03bf2ed7d428f2b (diff) | |
| download | linux-459f15c45eee9136c3ceb7d9c1f88d5f2f225689.tar.xz | |
serial: sirf: define macro for some magic numbers of USP
this patch clears some magic numbers for offset and bitshift
of USP registers.
Signed-off-by: Qipan Li <Qipan.Li@csr.com>
Signed-off-by: Barry Song <Baohua.Song@csr.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty/serial/sirfsoc_uart.h')
| -rw-r--r-- | drivers/tty/serial/sirfsoc_uart.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/tty/serial/sirfsoc_uart.h b/drivers/tty/serial/sirfsoc_uart.h index 173e00f84c67..c43333dfab4a 100644 --- a/drivers/tty/serial/sirfsoc_uart.h +++ b/drivers/tty/serial/sirfsoc_uart.h @@ -311,6 +311,21 @@ struct sirfsoc_uart_register sirfsoc_uart = { /* USP SPEC */ #define SIRFSOC_USP_ENDIAN_CTRL_LSBF BIT(4) #define SIRFSOC_USP_EN BIT(5) +#define SIRFSOC_USP_MODE2_RXD_DELAY_OFFSET 0 +#define SIRFSOC_USP_MODE2_TXD_DELAY_OFFSET 8 +#define SIRFSOC_USP_MODE2_CLK_DIVISOR_MASK 0x3ff +#define SIRFSOC_USP_MODE2_CLK_DIVISOR_OFFSET 21 +#define SIRFSOC_USP_TX_DATA_LEN_OFFSET 0 +#define SIRFSOC_USP_TX_SYNC_LEN_OFFSET 8 +#define SIRFSOC_USP_TX_FRAME_LEN_OFFSET 16 +#define SIRFSOC_USP_TX_SHIFTER_LEN_OFFSET 24 +#define SIRFSOC_USP_TX_CLK_DIVISOR_OFFSET 30 +#define SIRFSOC_USP_RX_DATA_LEN_OFFSET 0 +#define SIRFSOC_USP_RX_FRAME_LEN_OFFSET 8 +#define SIRFSOC_USP_RX_SHIFTER_LEN_OFFSET 16 +#define SIRFSOC_USP_RX_CLK_DIVISOR_OFFSET 24 +#define SIRFSOC_USP_ASYNC_DIV2_MASK 0x3f +#define SIRFSOC_USP_ASYNC_DIV2_OFFSET 16 /* USP-UART Common */ #define SIRFSOC_UART_RX_TIMEOUT(br, to) (((br) * (((to) + 999) / 1000)) / 1000) |