diff options
Diffstat (limited to 'drivers/tty/serial/cpm_uart/cpm_uart_cpm1.h')
| -rw-r--r-- | drivers/tty/serial/cpm_uart/cpm_uart_cpm1.h | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/drivers/tty/serial/cpm_uart/cpm_uart_cpm1.h b/drivers/tty/serial/cpm_uart/cpm_uart_cpm1.h new file mode 100644 index 000000000..18ec08499 --- /dev/null +++ b/drivers/tty/serial/cpm_uart/cpm_uart_cpm1.h @@ -0,0 +1,33 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Driver for CPM (SCC/SMC) serial ports + * + * definitions for cpm1 + * + */ + +#ifndef CPM_UART_CPM1_H +#define CPM_UART_CPM1_H + +#include <asm/cpm1.h> + +static inline void cpm_set_brg(int brg, int baud) +{ + cpm_setbrg(brg, baud); +} + +static inline void cpm_set_scc_fcr(scc_uart_t __iomem * sup) +{ + out_8(&sup->scc_genscc.scc_rfcr, SMC_EB); + out_8(&sup->scc_genscc.scc_tfcr, SMC_EB); +} + +static inline void cpm_set_smc_fcr(smc_uart_t __iomem * up) +{ + out_8(&up->smc_rfcr, SMC_EB); + out_8(&up->smc_tfcr, SMC_EB); +} + +#define DPRAM_BASE ((u8 __iomem __force *)cpm_dpram_addr(0)) + +#endif |