diff options
Diffstat (limited to 'arch/arm/plat-omap/include/plat/omap-serial.h')
| -rw-r--r-- | arch/arm/plat-omap/include/plat/omap-serial.h | 128 |
1 files changed, 0 insertions, 128 deletions
diff --git a/arch/arm/plat-omap/include/plat/omap-serial.h b/arch/arm/plat-omap/include/plat/omap-serial.h deleted file mode 100644 index c8dae02f070..00000000000 --- a/arch/arm/plat-omap/include/plat/omap-serial.h +++ /dev/null @@ -1,128 +0,0 @@ -/* - * Driver for OMAP-UART controller. - * Based on drivers/serial/8250.c - * - * Copyright (C) 2010 Texas Instruments. - * - * Authors: - * Govindraj R <govindraj.raja@ti.com> - * Thara Gopinath <thara@ti.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - */ - -#ifndef __OMAP_SERIAL_H__ -#define __OMAP_SERIAL_H__ - -#include <linux/serial_core.h> -#include <linux/platform_device.h> - -#include <plat/mux.h> - -#define DRIVER_NAME "omap-hsuart" - -/* - * Use tty device name as ttyO, [O -> OMAP] - * in bootargs we specify as console=ttyO0 if uart1 - * is used as console uart. - */ -#define OMAP_SERIAL_NAME "ttyO" - -#define OMAP_MDR1_DISABLE 0x07 -#define OMAP_MDR1_MODE13X 0x03 -#define OMAP_MDR1_MODE16X 0x00 -#define OMAP_MODE13X_SPEED 230400 - -/* - * LCR = 0XBF: Switch to Configuration Mode B. - * In configuration mode b allow access - * to EFR,DLL,DLH. - * Reference OMAP TRM Chapter 17 - * Section: 1.4.3 Mode Selection - */ -#define OMAP_UART_LCR_CONF_MDB 0XBF - -/* WER = 0x7F - * Enable module level wakeup in WER reg - */ -#define OMAP_UART_WER_MOD_WKUP 0X7F - -/* Enable XON/XOFF flow control on output */ -#define OMAP_UART_SW_TX 0x04 - -/* Enable XON/XOFF flow control on input */ -#define OMAP_UART_SW_RX 0x04 - -#define OMAP_UART_SYSC_RESET 0X07 -#define OMAP_UART_TCR_TRIG 0X0F -#define OMAP_UART_SW_CLR 0XF0 -#define OMAP_UART_FIFO_CLR 0X06 - -#define OMAP_UART_DMA_CH_FREE -1 - -#define RX_TIMEOUT (3 * HZ) -#define OMAP_MAX_HSUART_PORTS 4 - -#define MSR_SAVE_FLAGS UART_MSR_ANY_DELTA - -struct omap_uart_port_info { - bool dma_enabled; /* To specify DMA Mode */ - unsigned int uartclk; /* UART clock rate */ - void __iomem *membase; /* ioremap cookie or NULL */ - resource_size_t mapbase; /* resource base */ - unsigned long irqflags; /* request_irq flags */ - upf_t flags; /* UPF_* flags */ -}; - -struct uart_omap_dma { - u8 uart_dma_tx; - u8 uart_dma_rx; - int rx_dma_channel; - int tx_dma_channel; - dma_addr_t rx_buf_dma_phys; - dma_addr_t tx_buf_dma_phys; - unsigned int uart_base; - /* - * Buffer for rx dma.It is not required for tx because the buffer - * comes from port structure. - */ - unsigned char *rx_buf; - unsigned int prev_rx_dma_pos; - int tx_buf_size; - int tx_dma_used; - int rx_dma_used; - spinlock_t tx_lock; - spinlock_t rx_lock; - /* timer to poll activity on rx dma */ - struct timer_list rx_timer; - int rx_buf_size; - int rx_timeout; -}; - -struct uart_omap_port { - struct uart_port port; - struct uart_omap_dma uart_dma; - struct platform_device *pdev; - - unsigned char ier; - unsigned char lcr; - unsigned char mcr; - unsigned char fcr; - unsigned char efr; - - int use_dma; - /* - * Some bits in registers are cleared on a read, so they must - * be saved whenever the register is read but the bits will not - * be immediately processed. - */ - unsigned int lsr_break_flag; - unsigned char msr_saved_flags; - char name[20]; - unsigned long port_activity; -}; - -#endif /* __OMAP_SERIAL_H__ */ |