diff options
Diffstat (limited to 'recipes/linux/linux-2.6.32/ts72xx/0006-ts72xx_ts_ser1.patch')
| -rw-r--r-- | recipes/linux/linux-2.6.32/ts72xx/0006-ts72xx_ts_ser1.patch | 216 |
1 files changed, 216 insertions, 0 deletions
diff --git a/recipes/linux/linux-2.6.32/ts72xx/0006-ts72xx_ts_ser1.patch b/recipes/linux/linux-2.6.32/ts72xx/0006-ts72xx_ts_ser1.patch new file mode 100644 index 0000000000..7443d6c64b --- /dev/null +++ b/recipes/linux/linux-2.6.32/ts72xx/0006-ts72xx_ts_ser1.patch @@ -0,0 +1,216 @@ +From eb753556815cde046e35d206880a507eb052ac4e Mon Sep 17 00:00:00 2001 +From: Matthieu Crapet <mcrapet@gmail.com> +Date: Sun, 17 Jan 2010 17:52:13 +0100 +Subject: [PATCH] ts72xx_ts_ser1 +MIME-Version: 1.0 +Content-Type: text/plain; charset=utf-8 +Content-Transfer-Encoding: 8bit + + +Signed-off-by: Petr Štetiar <ynezz@true.cz> +--- + drivers/serial/8250_ts_ser1.c | 150 +++++++++++++++++++++++++++++++++++++++++ + drivers/serial/Kconfig | 17 +++++ + drivers/serial/Makefile | 1 + + 3 files changed, 168 insertions(+), 0 deletions(-) + create mode 100644 drivers/serial/8250_ts_ser1.c + +diff --git a/drivers/serial/8250_ts_ser1.c b/drivers/serial/8250_ts_ser1.c +new file mode 100644 +index 0000000..a3c95d4 +--- /dev/null ++++ b/drivers/serial/8250_ts_ser1.c +@@ -0,0 +1,150 @@ ++/* ++ * linux/drivers/serial/8250_ts_ser1.c ++ * Technologic Systems TS-SER1 support. ++ * ++ * (c) Copyright 2006-2008 Matthieu Crapet <mcrapet@gmail.com> ++ * Data taken from include/asm-i386/serial.h ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU General Public License as published by ++ * the Free Software Foundation; either version 2 of the License, or ++ * (at your option) any later version. ++ * ++ * This program is distributed in the hope that it will be useful, ++ * but WITHOUT ANY WARRANTY; without even the implied warranty of ++ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ++ * GNU General Public License for more details. ++ * ++ * Pin Number: ++ * 1 DCD ++ * 2 Receive data ++ * 3 Trasmit data ++ * 4 DTR ++ * 5 Signal Ground ++ * 6 DSR ++ * 7 RTS ++ * 8 CTS ++ * 9 RI ++ */ ++ ++#include <linux/module.h> ++#include <linux/init.h> ++#include <linux/serial_8250.h> ++#include <linux/irq.h> ++#include <linux/io.h> ++#include <mach/hardware.h> ++#include <mach/ts72xx.h> ++#include <mach/gpio.h> ++ ++ ++#define TS72XX_SER1_IO_PHYS_BASE (TS72XX_PC104_8BIT_IO_PHYS_BASE) ++#define TS72XX_SER1_IO_SIZE (TS72XX_PC104_8BIT_IO_SIZE) ++ ++#define TS_SER1_PORT_COM3 0x3E8 ++#define TS_SER1_PORT_COM4 0x2E8 ++#define TS_SER1_PORT_COM5 0x3A8 ++ ++/* Value to write in 16550A scratch register */ ++#define MARKER_BYTE 0xAA /* or 0x55 */ ++ ++#define PORT(_base,_irq) \ ++ { \ ++ .iobase = _base, \ ++ .membase = (void __iomem *)0, \ ++ .irq = _irq, \ ++ .uartclk = 1843200, \ ++ .iotype = UPIO_PORT, \ ++ .flags = UPF_BOOT_AUTOCONF, \ ++ } ++// Note: IRQ can be shared (see CONFIG_SERIAL_8250_SHARE_IRQ) ++ ++ ++static struct plat_serial8250_port ts72xx_ser1_data_com3[] = { ++ PORT(TS_SER1_PORT_COM3, 0), ++ { }, ++}; ++ ++static struct plat_serial8250_port ts72xx_ser1_data_com4[] = { ++ PORT(TS_SER1_PORT_COM4, 0), ++ { }, ++}; ++ ++static struct plat_serial8250_port ts72xx_ser1_data_com5[] = { ++ PORT(TS_SER1_PORT_COM5, 0), ++ { }, ++}; ++ ++static struct platform_device ts72xx_ser1_device = { ++ .name = "serial8250", ++ .id = 0, ++ .dev = { ++ .platform_data = ts72xx_ser1_data_com3, ++ }, ++}; ++ ++static void __iomem *iomem; ++ ++ ++static int __init ts_ser1_init(void) ++{ ++ static struct plat_serial8250_port *comX = NULL; ++ int n = 0; // COM number as printed on TS-SER1 pcb ++ ++ iomem = ioremap(TS72XX_SER1_IO_PHYS_BASE, TS72XX_SER1_IO_SIZE); ++ ++ if (iomem != NULL) { ++ __raw_writeb(MARKER_BYTE, iomem + TS_SER1_PORT_COM3 + 7); ++ if (__raw_readb(iomem + TS_SER1_PORT_COM3 + 7) == MARKER_BYTE) { ++ comX = ts72xx_ser1_data_com3; ++ n = 3; ++ } else { ++ __raw_writeb(MARKER_BYTE, iomem + TS_SER1_PORT_COM4 + 7); ++ if (__raw_readb(iomem + TS_SER1_PORT_COM4 + 7) == MARKER_BYTE) { ++ comX = ts72xx_ser1_data_com4; ++ n = 4; ++ } else { ++ __raw_writeb(MARKER_BYTE, iomem + TS_SER1_PORT_COM5 + 7); ++ if (__raw_readb(iomem + TS_SER1_PORT_COM5 + 7) == MARKER_BYTE) { ++ comX = ts72xx_ser1_data_com5; ++ n = 5; ++ } ++ } ++ } ++ ++ if (comX) { ++ #if CONFIG_SERIAL_8250_TS_SER1_IRQ == 5 ++ gpio_direction_input(EP93XX_GPIO_LINE_F(3)); ++ comX->irq = gpio_to_irq(EP93XX_GPIO_LINE_F(3)); // 83 ++ set_irq_type(comX->irq, IRQ_TYPE_EDGE_RISING); ++ #elif CONFIG_SERIAL_8250_TS_SER1_IRQ == 6 ++ comX->irq = IRQ_EP93XX_EXT1; ++ #elif CONFIG_SERIAL_8250_TS_SER1_IRQ == 7 ++ comX->irq = IRQ_EP93XX_EXT3; ++ #else ++ comX->irq = IRQ_EP93XX_EXT3; ++ #endif ++ ++ comX->iobase += (unsigned long)iomem; // virtual address ++ } ++ ++ ts72xx_ser1_device.id = n; ++ ts72xx_ser1_device.dev.platform_data = comX; ++ } ++ ++ return ((comX == NULL) ? -ENODEV : ++ platform_device_register(&ts72xx_ser1_device)); ++} ++ ++static void __exit ts_ser1_exit(void) ++{ ++ iounmap(iomem); ++ platform_device_unregister(&ts72xx_ser1_device); ++} ++ ++module_init(ts_ser1_init); ++module_exit(ts_ser1_exit); ++ ++MODULE_AUTHOR("Matthieu Crapet <mcrapet@gmail.com>"); ++MODULE_DESCRIPTION("8250 serial probe module for TS-SER1 (TS-72xx)"); ++MODULE_LICENSE("GPL"); ++MODULE_VERSION("0.3"); +diff --git a/drivers/serial/Kconfig b/drivers/serial/Kconfig +index e522572..0eeca06 100644 +--- a/drivers/serial/Kconfig ++++ b/drivers/serial/Kconfig +@@ -275,6 +275,23 @@ config SERIAL_8250_RM9K + port hardware found on MIPS RM9122 and similar processors. + If unsure, say N. + ++config SERIAL_8250_TS_SER1 ++ tristate "Support TS-SER1 (for TS-72XX SBC)" ++ depends on SERIAL_8250 != n && MACH_TS72XX ++ help ++ Say Y here if you have a TS-SER1 PC/104 peripheral. ++ COM number will be configured automaticaly. ++ ++ To compile this driver as a module, choose M here: the module ++ will be called 8250_ts_ser1. ++ ++config SERIAL_8250_TS_SER1_IRQ ++ int "Selected IRQ (5, 6 or 7)" ++ depends on SERIAL_8250_TS_SER1 ++ default "5" ++ help ++ Enter jumper IRQ configuration ++ + comment "Non-8250 serial port support" + + config SERIAL_AMBA_PL010 +diff --git a/drivers/serial/Makefile b/drivers/serial/Makefile +index d21d5dd..f8fdb4f 100644 +--- a/drivers/serial/Makefile ++++ b/drivers/serial/Makefile +@@ -28,6 +28,7 @@ obj-$(CONFIG_SERIAL_8250_BOCA) += 8250_boca.o + obj-$(CONFIG_SERIAL_8250_EXAR_ST16C554) += 8250_exar_st16c554.o + obj-$(CONFIG_SERIAL_8250_HUB6) += 8250_hub6.o + obj-$(CONFIG_SERIAL_8250_MCA) += 8250_mca.o ++obj-$(CONFIG_SERIAL_8250_TS_SER1) += 8250_ts_ser1.o + obj-$(CONFIG_SERIAL_AMBA_PL010) += amba-pl010.o + obj-$(CONFIG_SERIAL_AMBA_PL011) += amba-pl011.o + obj-$(CONFIG_SERIAL_CLPS711X) += clps711x.o +-- +1.6.0.4 + |