diff options
| -rw-r--r-- | target/linux/at91-2.6/patches/008-fdl-serial.patch | 95 | ||||
| -rw-r--r-- | target/linux/at91-2.6/patches/009-fdl-uartinit.patch | 43 |
2 files changed, 137 insertions, 1 deletions
diff --git a/target/linux/at91-2.6/patches/008-fdl-serial.patch b/target/linux/at91-2.6/patches/008-fdl-serial.patch index 379691597..cac6744d4 100644 --- a/target/linux/at91-2.6/patches/008-fdl-serial.patch +++ b/target/linux/at91-2.6/patches/008-fdl-serial.patch @@ -1,5 +1,5 @@ --- linux-2.6.19.2.old/drivers/serial/atmel_serial.c 2007-05-01 13:08:03.000000000 +0200 -+++ linux-2.6.19.2/drivers/serial/atmel_serial.c 2007-05-09 10:21:45.000000000 +0200 ++++ linux-2.6.19.2/drivers/serial/atmel_serial.c 2007-05-09 17:13:34.000000000 +0200 @@ -173,6 +173,34 @@ at91_set_gpio_value(AT91_PIN_PA21, 0); else @@ -69,3 +69,96 @@ return ret; } +@@ -510,6 +554,34 @@ + } + + /* ++ * 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) +@@ -586,6 +658,24 @@ + 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) + */ +@@ -602,6 +692,10 @@ + 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); +@@ -635,6 +729,10 @@ + 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; + } + } +@@ -694,6 +792,10 @@ + * 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 diff --git a/target/linux/at91-2.6/patches/009-fdl-uartinit.patch b/target/linux/at91-2.6/patches/009-fdl-uartinit.patch new file mode 100644 index 000000000..26d79865b --- /dev/null +++ b/target/linux/at91-2.6/patches/009-fdl-uartinit.patch @@ -0,0 +1,43 @@ +diff -urN linux-2.6.19.2.old/arch/arm/mach-at91rm9200/at91rm9200_devices.c linux-2.6.19.2/arch/arm/mach-at91rm9200/at91rm9200_devices.c +--- linux-2.6.19.2.old/arch/arm/mach-at91rm9200/at91rm9200_devices.c 2007-05-01 13:08:02.000000000 +0200 ++++ linux-2.6.19.2/arch/arm/mach-at91rm9200/at91rm9200_devices.c 2007-05-09 12:59:58.000000000 +0200 +@@ -709,6 +709,10 @@ + * We need to drive the pin manually. Default is off (RTS is active low). + */ + at91_set_gpio_output(AT91_PIN_PA21, 1); ++ at91_set_gpio_output(AT91_PIN_PB6, 1); /* DTR0 */ ++ at91_set_gpio_output(AT91_PIN_PB7, 1); /* RI0 */ ++ at91_set_gpio_input(AT91_PIN_PA19, 1); /* DCD0 */ ++ at91_set_deglitch(AT91_PIN_PA19, 1); + } + + static struct resource uart1_resources[] = { +@@ -820,6 +824,12 @@ + { + at91_set_B_periph(AT91_PIN_PA5, 1); /* TXD3 */ + at91_set_B_periph(AT91_PIN_PA6, 0); /* RXD3 */ ++ at91_set_B_periph(AT91_PIN_PB0, 0); /* RTS3 */ ++ at91_set_B_periph(AT91_PIN_PB1, 0); /* CTS3 */ ++ at91_set_gpio_output(AT91_PIN_PB29, 1); /* DTR0 */ ++ at91_set_gpio_output(AT91_PIN_PB2, 1); /* RI0 */ ++ at91_set_gpio_input(AT91_PIN_PA24, 1); /* DCD0 */ ++ at91_set_deglitch(AT91_PIN_PA24, 1); + } + + struct platform_device *at91_uarts[ATMEL_MAX_UART]; /* the UARTs to use */ +diff -urN linux-2.6.19.2.old/arch/arm/mach-at91rm9200/vlink_leds.c linux-2.6.19.2/arch/arm/mach-at91rm9200/vlink_leds.c +--- linux-2.6.19.2.old/arch/arm/mach-at91rm9200/vlink_leds.c 2007-05-01 13:08:03.000000000 +0200 ++++ linux-2.6.19.2/arch/arm/mach-at91rm9200/vlink_leds.c 2007-05-09 12:58:42.000000000 +0200 +@@ -114,12 +114,6 @@ + + at91_set_gpio_input(AT91_PIN_PB8, 1); // JIGPRESENT + at91_set_gpio_input(AT91_PIN_PB22, 1); // PWR_IND +- at91_set_gpio_input(AT91_PIN_PA19, 1); // P1DTR +- at91_set_gpio_input(AT91_PIN_PA24, 1); // P2DTR +- at91_set_gpio_output(AT91_PIN_PB29, 1); // P2DCD +- at91_set_gpio_output(AT91_PIN_PB2, 1); // P2RI +- at91_set_gpio_output(AT91_PIN_PB6, 1); // P1DCD +- at91_set_gpio_output(AT91_PIN_PB7, 1); // P1RI + + at91_set_gpio_input(AT91_PIN_PB27, 1); // UDB_CNX + at91_set_gpio_output(AT91_PIN_PB28, 1); // UDB_PUP |