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-rw-r--r--target/linux/coldfire/patches/076-mcfv4e_irda.patch237
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");
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