diff options
Diffstat (limited to 'include/drivers/nuvoton/npcm845x/npcm845x_lpuart.h')
| -rw-r--r-- | include/drivers/nuvoton/npcm845x/npcm845x_lpuart.h | 230 |
1 files changed, 230 insertions, 0 deletions
diff --git a/include/drivers/nuvoton/npcm845x/npcm845x_lpuart.h b/include/drivers/nuvoton/npcm845x/npcm845x_lpuart.h new file mode 100644 index 0000000..8962b90 --- /dev/null +++ b/include/drivers/nuvoton/npcm845x/npcm845x_lpuart.h @@ -0,0 +1,230 @@ +/* + * Copyright (c) 2015-2023, ARM Limited and Contributors. All rights reserved. + * + * Copyright (C) 2022-2023 Nuvoton Ltd. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#ifndef __ASM_ARCH_UART_H_ +#define __ASM_ARCH_UART_H_ + +#ifndef __ASSEMBLY__ + +struct npcmX50_uart { + union { + unsigned int rbr; + unsigned int thr; + unsigned int dll; + }; + union { + unsigned int ier; + unsigned int dlm; + }; + union { + unsigned int iir; + unsigned int fcr; + }; + unsigned int lcr; + unsigned int mcr; + unsigned int lsr; + unsigned int msr; + unsigned int tor; +}; + +typedef enum { + /* + * UART0 is a general UART block without modem-I/O-control + * connection to external signals. + */ + UART0_DEV = 0, + /* + * UART1-3 are each a general UART with modem-I/O-control + * connection to external signals. + */ + UART1_DEV, + UART2_DEV, + UART3_DEV, +} UART_DEV_T; + +typedef enum { + /* + * 0 0 0: Mode 1: + * HSP1 connected to SI2, + * HSP2 connected to UART2, + * UART1 snoops HSP1, + * UART3 snoops SI2 + */ + UART_MUX_MODE1 = 0, + /* + * 0 0 1: Mode 2: + * HSP1 connected to UART1, + * HSP2 connected to SI2, + * UART2 snoops HSP2, + * UART3 snoops SI2 + */ + UART_MUX_MODE2, + /* + * 0 1 0: Mode 3: + * HSP1 connected to UART1, + * HSP2 connected to UART2, + * UART3 connected to SI2 + */ + UART_MUX_MODE3, + /* + * 0 1 1: Mode 4: + * HSP1 connected to SI1, + * HSP2 connected to SI2, + * UART1 snoops SI1, + * UART3 snoops SI2, + * UART2 snoops HSP1 (default) + */ + UART_MUX_MODE4, + /* + * 1 0 0: Mode 5: + * HSP1 connected to SI1, + * HSP2 connected to UART2, + * UART1 snoops HSP1, + * UART3 snoops SI1 + */ + UART_MUX_MODE5, + /* + * 1 0 1: Mode 6: + * HSP1 connected to SI1, + * HSP2 connected to SI2, + * UART1 snoops SI1, + * UART3 snoops SI2, + * UART2 snoops HSP2 + */ + UART_MUX_MODE6, + /* + * 1 1 0: Mode 7: + * HSP1 connected to SI1, + * HSP2 connected to UART2, + * UART1 snoops HSP1, + * UART3 connected to SI2 + */ + UART_MUX_MODE7, + /* Skip UART mode configuration. */ + UART_MUX_RESERVED, + /* + * A SW option to allow config of UART + * without touching the UART mux. + */ + UART_MUX_SKIP_CONFIG +} UART_MUX_T; + +/*---------------------------------------------------------------------------*/ +/* Common baudrate definitions */ +/*---------------------------------------------------------------------------*/ +typedef enum { + UART_BAUDRATE_110 = 110, + UART_BAUDRATE_300 = 300, + UART_BAUDRATE_600 = 600, + UART_BAUDRATE_1200 = 1200, + UART_BAUDRATE_2400 = 2400, + UART_BAUDRATE_4800 = 4800, + UART_BAUDRATE_9600 = 9600, + UART_BAUDRATE_14400 = 14400, + UART_BAUDRATE_19200 = 19200, + UART_BAUDRATE_38400 = 38400, + UART_BAUDRATE_57600 = 57600, + UART_BAUDRATE_115200 = 115200, + UART_BAUDRATE_230400 = 230400, + UART_BAUDRATE_380400 = 380400, + UART_BAUDRATE_460800 = 460800, +} UART_BAUDRATE_T; + +/*---------------------------------------------------------------------------*/ +/* UART parity types */ +/*---------------------------------------------------------------------------*/ +typedef enum { + UART_PARITY_NONE = 0, + UART_PARITY_EVEN, + UART_PARITY_ODD, +} UART_PARITY_T; + +/*---------------------------------------------------------------------------*/ +/* Uart stop bits */ +/*---------------------------------------------------------------------------*/ +typedef enum { + UART_STOPBIT_1 = 0x00, + UART_STOPBIT_DYNAMIC, +} UART_STOPBIT_T; + +enum FCR_RFITL_TYPE { + FCR_RFITL_1B = 0x0, + FCR_RFITL_4B = 0x4, + FCR_RFITL_8B = 0x8, + FCR_RFITL_14B = 0xC, +}; + +enum LCR_WLS_TYPE { + LCR_WLS_5bit = 0x0, + LCR_WLS_6bit = 0x1, + LCR_WLS_7bit = 0x2, + LCR_WLS_8bit = 0x3, +}; + +#define IER_DBGACK (1 << 4) +#define IER_MSIE (1 << 3) +#define IER_RLSE (1 << 2) +#define IER_THREIE (1 << 1) +#define IER_RDAIE (1 << 0) + +#define IIR_FMES (1 << 7) +#define IIR_RFTLS (1 << 5) +#define IIR_DMS (1 << 4) +#define IIR_IID (1 << 1) +#define IIR_NIP (1 << 0) + +#define FCR_RFITL_1B (0 << 4) +#define FCR_RFITL_4B (4 << 4) +#define FCR_RFITL_8B (8 << 4) +#define FCR_RFITL_14B (12 << 4) +#define FCR_DMS (1 << 3) +#define FCR_TFR (1 << 2) +#define FCR_RFR (1 << 1) +#define FCR_FME (1 << 0) + +#define LCR_DLAB (1 << 7) +#define LCR_BCB (1 << 6) +#define LCR_SPE (1 << 5) +#define LCR_EPS (1 << 4) +#define LCR_PBE (1 << 3) +#define LCR_NSB (1 << 2) +#define LCR_WLS_8b (3 << 0) +#define LCR_WLS_7b (2 << 0) +#define LCR_WLS_6b (1 << 0) +#define LCR_WLS_5b (0 << 0) + +#define MCR_LBME (1 << 4) +#define MCR_OUT2 (1 << 3) +#define MCR_RTS (1 << 1) +#define MCR_DTR (1 << 0) + +#define LSR_ERR_RX (1 << 7) +#define LSR_TE (1 << 6) +#define LSR_THRE (1 << 5) +#define LSR_BII (1 << 4) +#define LSR_FEI (1 << 3) +#define LSR_PEI (1 << 2) +#define LSR_OEI (1 << 1) +#define LSR_RFDR (1 << 0) + +#define MSR_DCD (1 << 7) +#define MSR_RI (1 << 6) +#define MSR_DSR (1 << 5) +#define MSR_CTS (1 << 4) +#define MSR_DDCD (1 << 3) +#define MSR_DRI (1 << 2) +#define MSR_DDSR (1 << 1) +#define MSR_DCTS (1 << 0) + +#endif /* __ASSEMBLY__ */ + +uintptr_t npcm845x_get_base_uart(UART_DEV_T dev); +void CLK_ResetUART(void); +int UART_Init(UART_DEV_T devNum, UART_BAUDRATE_T baudRate); + +#endif /* __ASM_ARCH_UART_H_ */ |