diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/asm-v850/anna.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/include/asm-v850/anna.h b/include/asm-v850/anna.h index d5c0cd5ef5de..df5caefdc157 100644 --- a/include/asm-v850/anna.h +++ b/include/asm-v850/anna.h @@ -127,6 +127,22 @@ extern void anna_uart_pre_configure (unsigned chan, unsigned cflags, unsigned baud); #endif +/* This board supports RTS/CTS for the on-chip UART, but only for channel 1. */ + +/* CTS for UART channel 1 is pin P37 (bit 7 of port 3). */ +#define NB85E_UART_CTS(chan) ((chan) == 1 ? !(ANNA_PORT_IO(3) & 0x80) : 1) +/* RTS for UART channel 1 is pin P07 (bit 7 of port 0). */ +#define NB85E_UART_SET_RTS(chan, val) \ + do { \ + if (chan == 1) { \ + unsigned old = ANNA_PORT_IO(0); \ + if (val) \ + ANNA_PORT_IO(0) = old & ~0x80; \ + else \ + ANNA_PORT_IO(0) = old | 0x80; \ + } \ + } while (0) + /* Timer C details. */ #define NB85E_TIMER_C_BASE_ADDR 0xFFFFF600 |