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Diffstat (limited to '')
| -rw-r--r-- | plat/imx/common/include/imx8_lpuart.h | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/plat/imx/common/include/imx8_lpuart.h b/plat/imx/common/include/imx8_lpuart.h new file mode 100644 index 0000000..26470e0 --- /dev/null +++ b/plat/imx/common/include/imx8_lpuart.h @@ -0,0 +1,61 @@ +/* + * Copyright (c) 2015-2018, ARM Limited and Contributors. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#ifndef IMX8_LPUART_H +#define IMX8_LPUART_H + +#include <drivers/console.h> + +#define VERID 0x0 +#define PARAM 0x4 +#define GLOBAL 0x8 +#define PINCFG 0xC +#define BAUD 0x10 +#define STAT 0x14 +#define CTRL 0x18 +#define DATA 0x1C +#define MATCH 0x20 +#define MODIR 0x24 +#define FIFO 0x28 +#define WATER 0x2c + +#define US1_TDRE (1 << 23) +#define US1_RDRF (1 << 21) + +#define CTRL_TE (1 << 19) +#define CTRL_RE (1 << 18) + +#define FIFO_TXFE 0x80 +#define FIFO_RXFE 0x40 + +#define WATER_TXWATER_OFF 1 +#define WATER_RXWATER_OFF 16 + +#define LPUART_CTRL_PT_MASK 0x1 +#define LPUART_CTRL_PE_MASK 0x2 +#define LPUART_CTRL_M_MASK 0x10 + +#define LPUART_BAUD_OSR_MASK (0x1F000000U) +#define LPUART_BAUD_OSR_SHIFT (24U) +#define LPUART_BAUD_OSR(x) (((uint32_t)(((uint32_t)(x)) << LPUART_BAUD_OSR_SHIFT)) & LPUART_BAUD_OSR_MASK) + +#define LPUART_BAUD_SBR_MASK (0x1FFFU) +#define LPUART_BAUD_SBR_SHIFT (0U) +#define LPUART_BAUD_SBR(x) (((uint32_t)(((uint32_t)(x)) << LPUART_BAUD_SBR_SHIFT)) & LPUART_BAUD_SBR_MASK) + +#define LPUART_BAUD_SBNS_MASK (0x2000U) +#define LPUART_BAUD_BOTHEDGE_MASK (0x20000U) +#define LPUART_BAUD_M10_MASK (0x20000000U) + +#ifndef __ASSEMBLER__ + +#include <stdint.h> + +int console_lpuart_register(uintptr_t baseaddr, uint32_t clock, uint32_t baud, + console_t *console); +#endif /*__ASSEMBLER__*/ + +#endif /* IMX8_LPUART_H */ |