diff options
Diffstat (limited to 'target/linux/at91/patches-2.6.21/008-fdl-serial.patch')
| -rw-r--r-- | target/linux/at91/patches-2.6.21/008-fdl-serial.patch | 162 |
1 files changed, 0 insertions, 162 deletions
diff --git a/target/linux/at91/patches-2.6.21/008-fdl-serial.patch b/target/linux/at91/patches-2.6.21/008-fdl-serial.patch deleted file mode 100644 index 1fc369d2f..000000000 --- a/target/linux/at91/patches-2.6.21/008-fdl-serial.patch +++ /dev/null @@ -1,162 +0,0 @@ -Index: linux-2.6.21.7/drivers/serial/atmel_serial.c -=================================================================== ---- linux-2.6.21.7.orig/drivers/serial/atmel_serial.c -+++ linux-2.6.21.7/drivers/serial/atmel_serial.c -@@ -174,7 +174,35 @@ static void atmel_set_mctrl(struct uart_ - at91_set_gpio_value(AT91_PIN_PA21, 0); - else - at91_set_gpio_value(AT91_PIN_PA21, 1); -+ -+ /* -+ * FDL VersaLink adds GPIOS to provide full modem control on -+ * USART 0 - Drive DTR and RI pins manually -+ */ -+ if (mctrl & TIOCM_DTR) -+ at91_set_gpio_value(AT91_PIN_PB6, 0); -+ else -+ at91_set_gpio_value(AT91_PIN_PB6, 1); -+ if (mctrl & TIOCM_RI) -+ at91_set_gpio_value(AT91_PIN_PB7, 0); -+ else -+ at91_set_gpio_value(AT91_PIN_PB7, 1); - } -+ -+ /* -+ * FDL VersaLink adds GPIOS to provide full modem control on -+ * USART 3 - Drive DTR and RI pins manually -+ */ -+ if (port->mapbase == AT91RM9200_BASE_US3) { -+ if (mctrl & TIOCM_DTR) -+ at91_set_gpio_value(AT91_PIN_PB29, 0); -+ else -+ at91_set_gpio_value(AT91_PIN_PB29, 1); -+ if (mctrl & TIOCM_RI) -+ at91_set_gpio_value(AT91_PIN_PB2, 0); -+ else -+ at91_set_gpio_value(AT91_PIN_PB2, 1); -+ } - } - #endif - -@@ -211,8 +239,10 @@ static u_int atmel_get_mctrl(struct uart - /* - * The control signals are active low. - */ -- if (!(status & ATMEL_US_DCD)) -- ret |= TIOCM_CD; -+ -+ if (!(port->mapbase == AT91RM9200_BASE_US0 || port->mapbase == AT91RM9200_BASE_US3)) -+ if (!(status & ATMEL_US_DCD)) -+ ret |= TIOCM_CD; - if (!(status & ATMEL_US_CTS)) - ret |= TIOCM_CTS; - if (!(status & ATMEL_US_DSR)) -@@ -220,6 +250,16 @@ static u_int atmel_get_mctrl(struct uart - if (!(status & ATMEL_US_RI)) - ret |= TIOCM_RI; - -+ /* -+ * Read the GPIO's for the FDL VersaLink special case -+ */ -+ if (port->mapbase == AT91RM9200_BASE_US0) -+ if (!(at91_get_gpio_value(AT91_PIN_PA19))) -+ ret |= TIOCM_CD; -+ if (port->mapbase == AT91RM9200_BASE_US3) -+ if (!(at91_get_gpio_value(AT91_PIN_PA24))) -+ ret |= TIOCM_CD; -+ - return ret; - } - -@@ -511,6 +551,34 @@ static void atmel_tx_chars(struct uart_p - } - - /* -+ * USART0 DCD Interrupt handler -+ */ -+ -+static irqreturn_t atmel_u0_DCD_interrupt(int irq, void *dev_id) -+{ -+ struct uart_port *port = dev_id; -+ int status = at91_get_gpio_value(irq); -+ -+ uart_handle_dcd_change(port, !(status)); -+ -+ return IRQ_HANDLED; -+} -+ -+/* -+ * USART3 DCD Interrupt handler -+ */ -+ -+static irqreturn_t atmel_u3_DCD_interrupt(int irq, void *dev_id) -+{ -+ struct uart_port *port = dev_id; -+ int status = at91_get_gpio_value(irq); -+ -+ uart_handle_dcd_change(port, !(status)); -+ -+ return IRQ_HANDLED; -+} -+ -+/* - * Interrupt handler - */ - static irqreturn_t atmel_interrupt(int irq, void *dev_id) -@@ -587,6 +655,23 @@ static int atmel_startup(struct uart_por - return retval; - } - -+ if (port->mapbase == AT91RM9200_BASE_US0) { -+ retval = request_irq(AT91_PIN_PA19, atmel_u0_DCD_interrupt, 0, "atmel_serial", port); -+ if (retval) { -+ printk("atmel_serial: atmel_startup - Can't get u0DCD irq\n"); -+ free_irq(port->irq, port); -+ return retval; -+ } -+ } -+ if (port->mapbase == AT91RM9200_BASE_US3) { -+ retval = request_irq(AT91_PIN_PA24, atmel_u3_DCD_interrupt, 0, "atmel_serial", port); -+ if (retval) { -+ printk("atmel_serial: atmel_startup - Can't get u3DCD irq\n"); -+ free_irq(port->irq, port); -+ return retval; -+ } -+ } -+ - /* - * Initialize DMA (if necessary) - */ -@@ -603,6 +688,10 @@ static int atmel_startup(struct uart_por - kfree(atmel_port->pdc_rx[0].buf); - } - free_irq(port->irq, port); -+ if (port->mapbase == AT91RM9200_BASE_US0) -+ free_irq(AT91_PIN_PA19, port); -+ if (port->mapbase == AT91RM9200_BASE_US3) -+ free_irq(AT91_PIN_PA24, port); - return -ENOMEM; - } - pdc->dma_addr = dma_map_single(port->dev, pdc->buf, PDC_BUFFER_SIZE, DMA_FROM_DEVICE); -@@ -636,6 +725,10 @@ static int atmel_startup(struct uart_por - retval = atmel_open_hook(port); - if (retval) { - free_irq(port->irq, port); -+ if (port->mapbase == AT91RM9200_BASE_US0) -+ free_irq(AT91_PIN_PA19, port); -+ if (port->mapbase == AT91RM9200_BASE_US3) -+ free_irq(AT91_PIN_PA24, port); - return retval; - } - } -@@ -701,6 +794,10 @@ static void atmel_shutdown(struct uart_p - * Free the interrupt - */ - free_irq(port->irq, port); -+ if (port->mapbase == AT91RM9200_BASE_US0) -+ free_irq(AT91_PIN_PA19, port); -+ if (port->mapbase == AT91RM9200_BASE_US3) -+ free_irq(AT91_PIN_PA24, port); - - /* - * If there is a specific "close" function (to unregister |