MX2 add support for mx2 in i.MX serial driver
add support for mx2 in i.MX serial driver Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This commit is contained in:
Sascha Hauer
Robert Schwebel
parent
fc80a5e3d0
commit
604cbadce2
3 changed files with 181 additions and 4 deletions
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@ -4,4 +4,4 @@
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# Object file lists.
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obj-y := system.o generic.o devices.o
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obj-y := system.o generic.o devices.o serial.o
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177
arch/arm/mach-mx2/serial.c
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177
arch/arm/mach-mx2/serial.c
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@ -0,0 +1,177 @@
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/*
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* Copyright 2006-2007 Freescale Semiconductor, Inc. All Rights Reserved.
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* Copyright 2008 Juergen Beisert, kernel@pengutronix.de
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301, USA.
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*/
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#include <linux/module.h>
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#include <linux/platform_device.h>
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#include <linux/serial.h>
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#include <asm/hardware.h>
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#include <asm/arch/imx-uart.h>
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static struct resource uart0[] = {
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{
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.start = UART1_BASE_ADDR,
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.end = UART1_BASE_ADDR + 0x0B5,
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.flags = IORESOURCE_MEM,
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}, {
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.start = MXC_INT_UART1,
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.end = MXC_INT_UART1,
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.flags = IORESOURCE_IRQ,
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},
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};
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static struct platform_device mxc_uart_device0 = {
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.name = "imx-uart",
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.id = 0,
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.resource = uart0,
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.num_resources = ARRAY_SIZE(uart0),
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};
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static struct resource uart1[] = {
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{
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.start = UART2_BASE_ADDR,
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.end = UART2_BASE_ADDR + 0x0B5,
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.flags = IORESOURCE_MEM,
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}, {
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.start = MXC_INT_UART2,
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.end = MXC_INT_UART2,
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.flags = IORESOURCE_IRQ,
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},
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};
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static struct platform_device mxc_uart_device1 = {
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.name = "imx-uart",
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.id = 1,
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.resource = uart1,
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.num_resources = ARRAY_SIZE(uart1),
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};
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static struct resource uart2[] = {
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{
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.start = UART3_BASE_ADDR,
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.end = UART3_BASE_ADDR + 0x0B5,
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.flags = IORESOURCE_MEM,
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}, {
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.start = MXC_INT_UART3,
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.end = MXC_INT_UART3,
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.flags = IORESOURCE_IRQ,
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},
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};
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static struct platform_device mxc_uart_device2 = {
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.name = "imx-uart",
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.id = 2,
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.resource = uart2,
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.num_resources = ARRAY_SIZE(uart2),
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};
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static struct resource uart3[] = {
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{
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.start = UART4_BASE_ADDR,
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.end = UART4_BASE_ADDR + 0x0B5,
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.flags = IORESOURCE_MEM,
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}, {
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.start = MXC_INT_UART4,
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.end = MXC_INT_UART4,
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.flags = IORESOURCE_IRQ,
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},
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};
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static struct platform_device mxc_uart_device3 = {
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.name = "imx-uart",
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.id = 3,
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.resource = uart3,
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.num_resources = ARRAY_SIZE(uart3),
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};
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static struct resource uart4[] = {
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{
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.start = UART5_BASE_ADDR,
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.end = UART5_BASE_ADDR + 0x0B5,
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.flags = IORESOURCE_MEM,
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}, {
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.start = MXC_INT_UART5,
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.end = MXC_INT_UART5,
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.flags = IORESOURCE_IRQ,
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},
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};
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static struct platform_device mxc_uart_device4 = {
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.name = "imx-uart",
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.id = 4,
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.resource = uart4,
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.num_resources = ARRAY_SIZE(uart4),
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};
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static struct resource uart5[] = {
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{
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.start = UART6_BASE_ADDR,
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.end = UART6_BASE_ADDR + 0x0B5,
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.flags = IORESOURCE_MEM,
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}, {
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.start = MXC_INT_UART6,
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.end = MXC_INT_UART6,
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.flags = IORESOURCE_IRQ,
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},
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};
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static struct platform_device mxc_uart_device5 = {
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.name = "imx-uart",
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.id = 5,
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.resource = uart5,
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.num_resources = ARRAY_SIZE(uart5),
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};
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/*
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* Register only those UARTs that physically exists
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*/
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int __init imx_init_uart(int uart_no, struct imxuart_platform_data *pdata)
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{
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switch (uart_no) {
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case 0:
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mxc_uart_device0.dev.platform_data = pdata;
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platform_device_register(&mxc_uart_device0);
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break;
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case 1:
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mxc_uart_device1.dev.platform_data = pdata;
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platform_device_register(&mxc_uart_device1);
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break;
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#ifndef CONFIG_MXC_IRDA
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case 2:
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mxc_uart_device2.dev.platform_data = pdata;
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platform_device_register(&mxc_uart_device2);
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break;
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#endif
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case 3:
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mxc_uart_device3.dev.platform_data = pdata;
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platform_device_register(&mxc_uart_device3);
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break;
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case 4:
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mxc_uart_device4.dev.platform_data = pdata;
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platform_device_register(&mxc_uart_device4);
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break;
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case 5:
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mxc_uart_device5.dev.platform_data = pdata;
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platform_device_register(&mxc_uart_device5);
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break;
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default:
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return -ENODEV;
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}
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return 0;
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}
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@ -62,7 +62,7 @@
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#define UBIR 0xa4 /* BRM Incremental Register */
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#define UBMR 0xa8 /* BRM Modulator Register */
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#define UBRC 0xac /* Baud Rate Count Register */
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#ifdef CONFIG_ARCH_MX3
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#if defined CONFIG_ARCH_MX3 || defined CONFIG_ARCH_MX2
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#define ONEMS 0xb0 /* One Millisecond register */
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#define UTS 0xb4 /* UART Test Register */
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#endif
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@ -99,7 +99,7 @@
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#ifdef CONFIG_ARCH_IMX
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#define UCR1_UARTCLKEN (1<<2) /* UART clock enabled */
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#endif
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#ifdef CONFIG_ARCH_MX3
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#if defined CONFIG_ARCH_MX3 || defined CONFIG_ARCH_MX2
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#define UCR1_UARTCLKEN (0) /* not present on mx2/mx3 */
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#endif
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#define UCR1_DOZE (1<<1) /* Doze */
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@ -182,7 +182,7 @@
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#define MAX_INTERNAL_IRQ IMX_IRQS
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#endif
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#ifdef CONFIG_ARCH_MX3
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#if defined CONFIG_ARCH_MX3 || defined CONFIG_ARCH_MX2
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#define SERIAL_IMX_MAJOR 207
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#define MINOR_START 16
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#define DEV_NAME "ttymxc"
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