Revision bfe5424a8b31624e7a476f959d552999f931e7c7 authored by Michal Marek on 09 June 2011, 14:35:41 UTC, committed by Michal Marek on 09 June 2011, 21:05:54 UTC
depmod from module-init-tools < 3.13 and the busybox depmod check if the kernel release starts with <num>.<num>.<num>. To support these versions, we create a symlink with two numbers prepended. Signed-off-by: Michal Marek <mmarek@suse.cz>
1 parent fc4da9a
bfin_sport_uart.h
/*
* Blackfin On-Chip Sport Emulated UART Driver
*
* Copyright 2006-2008 Analog Devices Inc.
*
* Enter bugs at http://blackfin.uclinux.org/
*
* Licensed under the GPL-2 or later.
*/
/*
* This driver and the hardware supported are in term of EE-191 of ADI.
* http://www.analog.com/static/imported-files/application_notes/EE191.pdf
* This application note describe how to implement a UART on a Sharc DSP,
* but this driver is implemented on Blackfin Processor.
* Transmit Frame Sync is not used by this driver to transfer data out.
*/
#ifndef _BFIN_SPORT_UART_H
#define _BFIN_SPORT_UART_H
#define OFFSET_TCR1 0x00 /* Transmit Configuration 1 Register */
#define OFFSET_TCR2 0x04 /* Transmit Configuration 2 Register */
#define OFFSET_TCLKDIV 0x08 /* Transmit Serial Clock Divider Register */
#define OFFSET_TFSDIV 0x0C /* Transmit Frame Sync Divider Register */
#define OFFSET_TX 0x10 /* Transmit Data Register */
#define OFFSET_RX 0x18 /* Receive Data Register */
#define OFFSET_RCR1 0x20 /* Receive Configuration 1 Register */
#define OFFSET_RCR2 0x24 /* Receive Configuration 2 Register */
#define OFFSET_RCLKDIV 0x28 /* Receive Serial Clock Divider Register */
#define OFFSET_RFSDIV 0x2c /* Receive Frame Sync Divider Register */
#define OFFSET_STAT 0x30 /* Status Register */
#define SPORT_GET_TCR1(sport) bfin_read16(((sport)->port.membase + OFFSET_TCR1))
#define SPORT_GET_TCR2(sport) bfin_read16(((sport)->port.membase + OFFSET_TCR2))
#define SPORT_GET_TCLKDIV(sport) bfin_read16(((sport)->port.membase + OFFSET_TCLKDIV))
#define SPORT_GET_TFSDIV(sport) bfin_read16(((sport)->port.membase + OFFSET_TFSDIV))
#define SPORT_GET_TX(sport) bfin_read16(((sport)->port.membase + OFFSET_TX))
#define SPORT_GET_RX(sport) bfin_read16(((sport)->port.membase + OFFSET_RX))
/*
* If another interrupt fires while doing a 32-bit read from RX FIFO,
* a fake RX underflow error will be generated. So disable interrupts
* to prevent interruption while reading the FIFO.
*/
#define SPORT_GET_RX32(sport) \
({ \
unsigned int __ret; \
if (ANOMALY_05000473) \
local_irq_disable(); \
__ret = bfin_read32((sport)->port.membase + OFFSET_RX); \
if (ANOMALY_05000473) \
local_irq_enable(); \
__ret; \
})
#define SPORT_GET_RCR1(sport) bfin_read16(((sport)->port.membase + OFFSET_RCR1))
#define SPORT_GET_RCR2(sport) bfin_read16(((sport)->port.membase + OFFSET_RCR2))
#define SPORT_GET_RCLKDIV(sport) bfin_read16(((sport)->port.membase + OFFSET_RCLKDIV))
#define SPORT_GET_RFSDIV(sport) bfin_read16(((sport)->port.membase + OFFSET_RFSDIV))
#define SPORT_GET_STAT(sport) bfin_read16(((sport)->port.membase + OFFSET_STAT))
#define SPORT_PUT_TCR1(sport, v) bfin_write16(((sport)->port.membase + OFFSET_TCR1), v)
#define SPORT_PUT_TCR2(sport, v) bfin_write16(((sport)->port.membase + OFFSET_TCR2), v)
#define SPORT_PUT_TCLKDIV(sport, v) bfin_write16(((sport)->port.membase + OFFSET_TCLKDIV), v)
#define SPORT_PUT_TFSDIV(sport, v) bfin_write16(((sport)->port.membase + OFFSET_TFSDIV), v)
#define SPORT_PUT_TX(sport, v) bfin_write16(((sport)->port.membase + OFFSET_TX), v)
#define SPORT_PUT_RX(sport, v) bfin_write16(((sport)->port.membase + OFFSET_RX), v)
#define SPORT_PUT_RCR1(sport, v) bfin_write16(((sport)->port.membase + OFFSET_RCR1), v)
#define SPORT_PUT_RCR2(sport, v) bfin_write16(((sport)->port.membase + OFFSET_RCR2), v)
#define SPORT_PUT_RCLKDIV(sport, v) bfin_write16(((sport)->port.membase + OFFSET_RCLKDIV), v)
#define SPORT_PUT_RFSDIV(sport, v) bfin_write16(((sport)->port.membase + OFFSET_RFSDIV), v)
#define SPORT_PUT_STAT(sport, v) bfin_write16(((sport)->port.membase + OFFSET_STAT), v)
#define SPORT_TX_FIFO_SIZE 8
#define SPORT_UART_GET_CTS(x) gpio_get_value(x->cts_pin)
#define SPORT_UART_DISABLE_RTS(x) gpio_set_value(x->rts_pin, 1)
#define SPORT_UART_ENABLE_RTS(x) gpio_set_value(x->rts_pin, 0)
#if defined(CONFIG_SERIAL_BFIN_SPORT0_UART_CTSRTS) \
|| defined(CONFIG_SERIAL_BFIN_SPORT1_UART_CTSRTS) \
|| defined(CONFIG_SERIAL_BFIN_SPORT2_UART_CTSRTS) \
|| defined(CONFIG_SERIAL_BFIN_SPORT3_UART_CTSRTS)
# define CONFIG_SERIAL_BFIN_SPORT_CTSRTS
#endif
#endif /* _BFIN_SPORT_UART_H */
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