diff options
author | Imre Kaloz <kaloz@openwrt.org> | 2010-11-22 13:31:46 +0000 |
---|---|---|
committer | Imre Kaloz <kaloz@openwrt.org> | 2010-11-22 13:31:46 +0000 |
commit | d6ea3e24d49f94051305b5191edd10d213f92bf3 (patch) | |
tree | d92ba23cf07ca211cd6100bb144831295b2bea54 /target/linux/coldfire/patches/076-mcfv4e_irda.patch | |
parent | d066a4c712aae3cd1aaa5108f7cd2cae81c6343b (diff) | |
download | upstream-d6ea3e24d49f94051305b5191edd10d213f92bf3.tar.gz upstream-d6ea3e24d49f94051305b5191edd10d213f92bf3.tar.bz2 upstream-d6ea3e24d49f94051305b5191edd10d213f92bf3.zip |
remove 2.6.25 support
SVN-Revision: 24088
Diffstat (limited to 'target/linux/coldfire/patches/076-mcfv4e_irda.patch')
-rw-r--r-- | target/linux/coldfire/patches/076-mcfv4e_irda.patch | 237 |
1 files changed, 0 insertions, 237 deletions
diff --git a/target/linux/coldfire/patches/076-mcfv4e_irda.patch b/target/linux/coldfire/patches/076-mcfv4e_irda.patch deleted file mode 100644 index 0452a47b24..0000000000 --- a/target/linux/coldfire/patches/076-mcfv4e_irda.patch +++ /dev/null @@ -1,237 +0,0 @@ -From 5f645d0668b469c4738fe1e9d3994287a519d0f3 Mon Sep 17 00:00:00 2001 -From: Kurt Mahan <kmahan@freescale.com> -Date: Tue, 8 Jul 2008 15:57:47 -0600 -Subject: [PATCH] Add Coldfire IRDA support in serial driver. - -LTIBName: mcfv4e-irda -Signed-off-by: Kurt Mahan <kmahan@freescale.com> -Signed-off-by: Huan, Wang <b18965@freescale.com> ---- - drivers/serial/Kconfig | 6 ++ - drivers/serial/mcfserial.c | 110 ++++++++++++++++++++++++++++++++++++++++++-- - net/irda/irlap.c | 2 +- - 3 files changed, 113 insertions(+), 5 deletions(-) - ---- a/drivers/serial/Kconfig -+++ b/drivers/serial/Kconfig -@@ -979,6 +979,12 @@ config SERIAL_COLDFIRE - This driver supports the built-in serial ports of the Motorola ColdFire - family of CPUs. - -+config SERIAL_COLDFIRE_IRDA -+ bool "ColdFire IRDA support" -+ depends on SERIAL_COLDFIRE -+ help -+ This driver supports IRDA on the Motorola ColdFire. -+ - config SERIAL_MCF - bool "Coldfire serial support (new style driver)" - depends on COLDFIRE ---- a/drivers/serial/mcfserial.c -+++ b/drivers/serial/mcfserial.c -@@ -109,6 +109,10 @@ static struct tty_driver *mcfrs_serial_d - #define IRQBASE 73 - #endif - -+#ifdef CONFIG_SERIAL_COLDFIRE_IRDA -+#define SERIAL_IRDA_LINE (2) -+#endif -+ - /* - * Configuration table, UARTs to look for at startup. - */ -@@ -393,6 +397,9 @@ static inline void receive_chars(struct - static inline void transmit_chars(struct mcf_serial *info) - { - volatile unsigned char *uartp; -+#ifdef CONFIG_SERIAL_COLDFIRE_IRDA -+ int i; -+#endif - - uartp = info->addr; - -@@ -404,13 +411,36 @@ static inline void transmit_chars(struct - } - - if ((info->xmit_cnt <= 0) || info->tty->stopped) { -+#ifdef CONFIG_SERIAL_COLDFIRE_IRDA -+ if (info->line == SERIAL_IRDA_LINE) { -+ /* Enable receiver for IRDA */ -+ uartp[MCFUART_UCR] = MCFUART_UCR_CMDRESETRX; -+ /* reset RX */ -+ uartp[MCFUART_UCR] = MCFUART_UCR_TXENABLE | MCFUART_UCR_RXENABLE; -+ } -+#endif - info->imr &= ~MCFUART_UIR_TXREADY; - uartp[MCFUART_UIMR] = info->imr; - return; - } - - while (uartp[MCFUART_USR] & MCFUART_USR_TXREADY) { -+#ifdef CONFIG_SERIAL_COLDFIRE_IRDA -+ if (info->line == SERIAL_IRDA_LINE) { -+ while (!(uartp[MCFUART_USR] & MCFUART_USR_TXEMPTY)); -+ i = 0; -+ /* delay for settle */ -+#if defined(CONFIG_M548X) -+ udelay(1); -+#elif defined(CONFIG_M547X) -+ udelay(2); -+#else -+ while (i++ < 25000) udelay(1); -+#endif -+ } -+#endif - uartp[MCFUART_UTB] = info->xmit_buf[info->xmit_tail++]; -+ - info->xmit_tail = info->xmit_tail & (SERIAL_XMIT_SIZE-1); - info->stats.tx++; - if (--info->xmit_cnt <= 0) -@@ -567,6 +597,28 @@ static int startup(struct mcf_serial * i - */ - mcfrs_change_speed(info); - -+#ifdef CONFIG_SERIAL_COLDFIRE_IRDA -+ if (info->line == SERIAL_IRDA_LINE) { -+ /* Put PSC in IrDA mode */ -+ MCF_PSC_SICR(info->line) = MCF_PSC_SICR_SIM_SIR; -+ -+ /* Set pulse width to 1.6 uS */ -+ MCF_PSC_IRSDR(info->line) = (uint8_t) -+ (16 * (CONFIG_MCFCLK / 10000000)); -+ MCF_PSC_IRCR1(info->line) = MCF_PSC_IRCR1_SPUL; -+ MCF_PSC_IRCR2(info->line) = 0; -+ -+ /* Enable RTS to send */ -+ MCF_PSC_OPSET(info->line) = MCF_PSC_OPSET_RTS; -+ -+ /* Setup FIFO Alarms */ -+ MCF_PSC_RFAR(info->line) = MCF_PSC_RFAR_ALARM(248); -+ MCF_PSC_TFAR(info->line) = MCF_PSC_TFAR_ALARM(248); -+ -+ MCF_PSC_RFCR(info->line) = MCF_PSC_RFCR_FRMEN | MCF_PSC_RFCR_GR(4); -+ MCF_PSC_TFCR(info->line) = MCF_PSC_TFCR_FRMEN | MCF_PSC_RFCR_GR(4); -+ } -+#endif - /* - * Lastly enable the UART transmitter and receiver, and - * interrupt enables. -@@ -588,10 +640,20 @@ static void shutdown(struct mcf_serial * - { - volatile unsigned char *uartp; - unsigned long flags; -+#ifdef CONFIG_SERIAL_COLDFIRE_IRDA -+ unsigned long delay_counter = 0; -+#endif - - if (!(info->flags & ASYNC_INITIALIZED)) - return; -- -+#ifdef CONFIG_SERIAL_COLDFIRE_IRDA -+ uartp = (volatile unsigned char *) info->addr; -+ while (!(uartp[MCFUART_USR] & MCFUART_USR_TXEMPTY)) { -+ if(delay_counter++ > 25000) -+ break; -+ udelay(10); -+ } -+#endif - #ifdef SERIAL_DEBUG_OPEN - printk("Shutting down serial port %d (irq %d)....\n", info->line, - info->irq); -@@ -820,10 +882,19 @@ static int mcfrs_write(struct tty_struct - - local_irq_disable(); - uartp = info->addr; -+ -+#ifdef CONFIG_SERIAL_COLDFIRE_IRDA -+ if (info->line == SERIAL_IRDA_LINE) { -+ /* Disable IRDA receiver*/ -+ uartp[MCFUART_UCR] = MCFUART_UCR_CMDRESETRX; /* reset RX */ -+ uartp[MCFUART_UCR] = MCFUART_UCR_CMDRESETTX; /* reset TX */ -+ -+ uartp[MCFUART_UCR] = MCFUART_UCR_TXENABLE; -+ } -+#endif - info->imr |= MCFUART_UIR_TXREADY; - uartp[MCFUART_UIMR] = info->imr; - local_irq_restore(flags); -- - return total; - } - -@@ -884,9 +955,21 @@ static void mcfrs_throttle(struct tty_st - - if (serial_paranoia_check(info, tty->name, "mcfrs_throttle")) - return; -- -+#ifdef CONFIG_SERIAL_COLDFIRE_IRDA -+ if (I_IXOFF(tty)) { -+ /* Force STOP_CHAR (xoff) out */ -+ volatile unsigned char *uartp; -+ unsigned long flags; -+ uartp = (volatile unsigned char *) info->addr; -+ local_irq_save(flags); -+ info->imr |= MCFUART_UIR_TXREADY; -+ uartp[MCFUART_UIMR] = info->imr; -+ local_irq_restore(flags); -+ } -+#else - if (I_IXOFF(tty)) - info->x_char = STOP_CHAR(tty); -+#endif - - /* Turn off RTS line (do this atomic) */ - } -@@ -907,8 +990,22 @@ static void mcfrs_unthrottle(struct tty_ - if (I_IXOFF(tty)) { - if (info->x_char) - info->x_char = 0; -+#ifdef CONFIG_SERIAL_COLDFIRE_IRDA -+ else { -+ /* Force START_CHAR (xon) out */ -+ volatile unsigned char *uartp; -+ unsigned long flags; -+ info->x_char = START_CHAR(tty); -+ uartp = (volatile unsigned char *) info->addr; -+ local_irq_save(flags); -+ info->imr |= MCFUART_UIR_TXREADY; -+ uartp[MCFUART_UIMR] = info->imr; -+ local_irq_restore(flags); -+ } -+#else - else - info->x_char = START_CHAR(tty); -+#endif - } - - /* Assert RTS line (do this atomic) */ -@@ -1156,12 +1253,17 @@ static int mcfrs_ioctl(struct tty_struct - static void mcfrs_set_termios(struct tty_struct *tty, struct ktermios *old_termios) - { - struct mcf_serial *info = (struct mcf_serial *)tty->driver_data; -+#ifdef CONFIG_SERIAL_COLDFIRE_IRDA -+ int i = 0; /* hush GCC */ -+#endif - - if (tty->termios->c_cflag == old_termios->c_cflag) - return; - -+#ifdef CONFIG_SERIAL_COLDFIRE_IRDA -+ while (i++ < 35000) udelay(1); -+#endif - mcfrs_change_speed(info); -- - if ((old_termios->c_cflag & CRTSCTS) && - !(tty->termios->c_cflag & CRTSCTS)) { - tty->hw_stopped = 0; ---- a/net/irda/irlap.c -+++ b/net/irda/irlap.c -@@ -627,7 +627,7 @@ void irlap_status_indication(struct irla - { - switch (quality_of_link) { - case STATUS_NO_ACTIVITY: -- IRDA_MESSAGE("IrLAP, no activity on link!\n"); -+ /* IRDA_MESSAGE("IrLAP, no activity on link!\n"); */ - break; - case STATUS_NOISY: - IRDA_MESSAGE("IrLAP, noisy link!\n"); |