1 /* SPDX-License-Identifier: GPL-2.0+ */ 2 /* 3 * Copyright (c) 2016 Marcel Ziswiler <marcel.ziswiler@toradex.com> 4 */ 5 6 #ifndef __SERIAL_PXA_H 7 #define __SERIAL_PXA_H 8 9 /* 10 * The numbering scheme differs here for PXA25x, PXA27x and PXA3xx so we can 11 * easily handle enabling of clock. 12 */ 13 #ifdef CONFIG_CPU_MONAHANS 14 #define UART_CLK_BASE CKENA_21_BTUART 15 #define UART_CLK_REG CKENA 16 #define BTUART_INDEX 0 17 #define FFUART_INDEX 1 18 #define STUART_INDEX 2 19 #elif CONFIG_CPU_PXA25X 20 #define UART_CLK_BASE (1 << 4) /* HWUART */ 21 #define UART_CLK_REG CKEN 22 #define HWUART_INDEX 0 23 #define STUART_INDEX 1 24 #define FFUART_INDEX 2 25 #define BTUART_INDEX 3 26 #else /* PXA27x */ 27 #define UART_CLK_BASE CKEN5_STUART 28 #define UART_CLK_REG CKEN 29 #define STUART_INDEX 0 30 #define FFUART_INDEX 1 31 #define BTUART_INDEX 2 32 #endif 33 34 /* 35 * Only PXA250 has HWUART, to avoid poluting the code with more macros, 36 * artificially introduce this. 37 */ 38 #ifndef CONFIG_CPU_PXA25X 39 #define HWUART_INDEX 0xff 40 #endif 41 42 /* 43 * struct pxa_serial_platdata - information about a PXA port 44 * 45 * @base: Uart port base register address 46 * @port: Uart port index, for cpu with pinmux for uart / gpio 47 * baudrtatre: Uart port baudrate 48 */ 49 struct pxa_serial_platdata { 50 struct pxa_uart_regs *base; 51 int port; 52 int baudrate; 53 }; 54 55 #endif /* __SERIAL_PXA_H */ 56