From 604cbadce2292d979749e2f5c6c3f75ee10f4c9e Mon Sep 17 00:00:00 2001 From: Sascha Hauer Date: Sat, 5 Jul 2008 10:02:58 +0200 Subject: MX2 add support for mx2 in i.MX serial driver add support for mx2 in i.MX serial driver Signed-off-by: Sascha Hauer --- arch/arm/mach-mx2/Makefile | 2 +- arch/arm/mach-mx2/serial.c | 177 +++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 178 insertions(+), 1 deletion(-) create mode 100644 arch/arm/mach-mx2/serial.c (limited to 'arch/arm/mach-mx2') diff --git a/arch/arm/mach-mx2/Makefile b/arch/arm/mach-mx2/Makefile index db4d9c6f273..f8f8ecb01c9 100644 --- a/arch/arm/mach-mx2/Makefile +++ b/arch/arm/mach-mx2/Makefile @@ -4,4 +4,4 @@ # Object file lists. -obj-y := system.o generic.o devices.o +obj-y := system.o generic.o devices.o serial.o diff --git a/arch/arm/mach-mx2/serial.c b/arch/arm/mach-mx2/serial.c new file mode 100644 index 00000000000..570c02b8e5d --- /dev/null +++ b/arch/arm/mach-mx2/serial.c @@ -0,0 +1,177 @@ +/* + * Copyright 2006-2007 Freescale Semiconductor, Inc. All Rights Reserved. + * Copyright 2008 Juergen Beisert, kernel@pengutronix.de + * + * 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. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, + * MA 02110-1301, USA. + */ + +#include +#include +#include +#include +#include + +static struct resource uart0[] = { + { + .start = UART1_BASE_ADDR, + .end = UART1_BASE_ADDR + 0x0B5, + .flags = IORESOURCE_MEM, + }, { + .start = MXC_INT_UART1, + .end = MXC_INT_UART1, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device mxc_uart_device0 = { + .name = "imx-uart", + .id = 0, + .resource = uart0, + .num_resources = ARRAY_SIZE(uart0), +}; + +static struct resource uart1[] = { + { + .start = UART2_BASE_ADDR, + .end = UART2_BASE_ADDR + 0x0B5, + .flags = IORESOURCE_MEM, + }, { + .start = MXC_INT_UART2, + .end = MXC_INT_UART2, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device mxc_uart_device1 = { + .name = "imx-uart", + .id = 1, + .resource = uart1, + .num_resources = ARRAY_SIZE(uart1), +}; + +static struct resource uart2[] = { + { + .start = UART3_BASE_ADDR, + .end = UART3_BASE_ADDR + 0x0B5, + .flags = IORESOURCE_MEM, + }, { + .start = MXC_INT_UART3, + .end = MXC_INT_UART3, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device mxc_uart_device2 = { + .name = "imx-uart", + .id = 2, + .resource = uart2, + .num_resources = ARRAY_SIZE(uart2), +}; + +static struct resource uart3[] = { + { + .start = UART4_BASE_ADDR, + .end = UART4_BASE_ADDR + 0x0B5, + .flags = IORESOURCE_MEM, + }, { + .start = MXC_INT_UART4, + .end = MXC_INT_UART4, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device mxc_uart_device3 = { + .name = "imx-uart", + .id = 3, + .resource = uart3, + .num_resources = ARRAY_SIZE(uart3), +}; + +static struct resource uart4[] = { + { + .start = UART5_BASE_ADDR, + .end = UART5_BASE_ADDR + 0x0B5, + .flags = IORESOURCE_MEM, + }, { + .start = MXC_INT_UART5, + .end = MXC_INT_UART5, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device mxc_uart_device4 = { + .name = "imx-uart", + .id = 4, + .resource = uart4, + .num_resources = ARRAY_SIZE(uart4), +}; + +static struct resource uart5[] = { + { + .start = UART6_BASE_ADDR, + .end = UART6_BASE_ADDR + 0x0B5, + .flags = IORESOURCE_MEM, + }, { + .start = MXC_INT_UART6, + .end = MXC_INT_UART6, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device mxc_uart_device5 = { + .name = "imx-uart", + .id = 5, + .resource = uart5, + .num_resources = ARRAY_SIZE(uart5), +}; + +/* + * Register only those UARTs that physically exists + */ +int __init imx_init_uart(int uart_no, struct imxuart_platform_data *pdata) +{ + switch (uart_no) { + case 0: + mxc_uart_device0.dev.platform_data = pdata; + platform_device_register(&mxc_uart_device0); + break; + case 1: + mxc_uart_device1.dev.platform_data = pdata; + platform_device_register(&mxc_uart_device1); + break; +#ifndef CONFIG_MXC_IRDA + case 2: + mxc_uart_device2.dev.platform_data = pdata; + platform_device_register(&mxc_uart_device2); + break; +#endif + case 3: + mxc_uart_device3.dev.platform_data = pdata; + platform_device_register(&mxc_uart_device3); + break; + case 4: + mxc_uart_device4.dev.platform_data = pdata; + platform_device_register(&mxc_uart_device4); + break; + case 5: + mxc_uart_device5.dev.platform_data = pdata; + platform_device_register(&mxc_uart_device5); + break; + default: + return -ENODEV; + } + + return 0; +} -- cgit v1.2.3