From mboxrd@z Thu Jan 1 00:00:00 1970 From: jason77.wang@gmail.com (Jason Wang) Date: Fri, 4 Jun 2010 22:32:55 +0800 Subject: [PATCH V3 5/7] mxc/mx51: Add support for the imx51 3-stack board In-Reply-To: <1275661977-8077-5-git-send-email-jason77.wang@gmail.com> References: <1275661977-8077-1-git-send-email-jason77.wang@gmail.com> <1275661977-8077-2-git-send-email-jason77.wang@gmail.com> <1275661977-8077-3-git-send-email-jason77.wang@gmail.com> <1275661977-8077-4-git-send-email-jason77.wang@gmail.com> <1275661977-8077-5-git-send-email-jason77.wang@gmail.com> Message-ID: <1275661977-8077-6-git-send-email-jason77.wang@gmail.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org 3-stack is a reference board from Freescale for their i.MX51 SoC. Add board definition, Kconfig and Makefile to enable Freescale 3-stack board. Boot tested on a i.MX51 3-stack Rev2.0 board Signed-off-by: Jason Wang --- arch/arm/mach-mx5/Kconfig | 6 ++ arch/arm/mach-mx5/Makefile | 2 +- arch/arm/mach-mx5/board-mx51_3ds.c | 100 +++++++++++++++++++++++ arch/arm/plat-mxc/include/mach/board-mx51_3ds.h | 27 ++++++ 4 files changed, 134 insertions(+), 1 deletions(-) create mode 100644 arch/arm/mach-mx5/board-mx51_3ds.c create mode 100644 arch/arm/plat-mxc/include/mach/board-mx51_3ds.h diff --git a/arch/arm/mach-mx5/Kconfig b/arch/arm/mach-mx5/Kconfig index 1576d51..6ef3428 100644 --- a/arch/arm/mach-mx5/Kconfig +++ b/arch/arm/mach-mx5/Kconfig @@ -15,4 +15,10 @@ config MACH_MX51_BABBAGE u-boot. This includes specific configurations for the board and its peripherals. +config MACH_MX51_3DS + bool "Support MX51PDK (3DS)" + select MXC_DEBUG_BOARD + help + Include support for MX51PDK (3DS) platform. This includes specific + configurations for the board and its peripherals. endif diff --git a/arch/arm/mach-mx5/Makefile b/arch/arm/mach-mx5/Makefile index bf23f86..c757c59 100644 --- a/arch/arm/mach-mx5/Makefile +++ b/arch/arm/mach-mx5/Makefile @@ -6,4 +6,4 @@ obj-y := cpu.o mm.o clock-mx51.o devices.o obj-$(CONFIG_MACH_MX51_BABBAGE) += board-mx51_babbage.o - +obj-$(CONFIG_MACH_MX51_3DS) += board-mx51_3ds.o diff --git a/arch/arm/mach-mx5/board-mx51_3ds.c b/arch/arm/mach-mx5/board-mx51_3ds.c new file mode 100644 index 0000000..af0362c --- /dev/null +++ b/arch/arm/mach-mx5/board-mx51_3ds.c @@ -0,0 +1,100 @@ +/* + * Copyright 2008-2009 Freescale Semiconductor, Inc. All Rights Reserved. + * Copyright (C) 2010 Jason Wang + * + * The code contained herein is licensed under the GNU General Public + * License. You may obtain a copy of the GNU General Public License + * Version 2 or later at the following locations: + * + * http://www.opensource.org/licenses/gpl-license.html + * http://www.gnu.org/copyleft/gpl.html + */ + +#include +#include + +#include +#include +#include + +#include +#include +#include +#include +#include +#include + +#include "devices.h" + +static struct pad_desc mx51_3ds_pads[] = { + /* UART1 */ + MX51_PAD_UART1_RXD__UART1_RXD, + MX51_PAD_UART1_TXD__UART1_TXD, + MX51_PAD_UART1_RTS__UART1_RTS, + MX51_PAD_UART1_CTS__UART1_CTS, + + /* UART2 */ + MX51_PAD_UART2_RXD__UART2_RXD, + MX51_PAD_UART2_TXD__UART2_TXD, + MX51_PAD_EIM_D25__UART2_CTS, + MX51_PAD_EIM_D26__UART2_RTS, + + /* UART3 */ + MX51_PAD_UART3_RXD__UART3_RXD, + MX51_PAD_UART3_TXD__UART3_TXD, + MX51_PAD_EIM_D24__UART3_CTS, + MX51_PAD_EIM_D27__UART3_RTS, + + /* CPLD PARENT IRQ PIN */ + MX51_PAD_GPIO_1_6__GPIO1_6, +}; + +/* Serial ports */ +#if defined(CONFIG_SERIAL_IMX) || defined(CONFIG_SERIAL_IMX_MODULE) +static struct imxuart_platform_data uart_pdata = { + .flags = IMXUART_HAVE_RTSCTS, +}; + +static inline void mxc_init_imx_uart(void) +{ + mxc_register_device(&mxc_uart_device0, &uart_pdata); + mxc_register_device(&mxc_uart_device1, &uart_pdata); + mxc_register_device(&mxc_uart_device2, &uart_pdata); +} +#else /* !SERIAL_IMX */ +static inline void mxc_init_imx_uart(void) +{ +} +#endif /* SERIAL_IMX */ + +/* + * Board specific initialization. + */ +static void __init mxc_board_init(void) +{ + mxc_iomux_v3_setup_multiple_pads(mx51_3ds_pads, + ARRAY_SIZE(mx51_3ds_pads)); + mxc_init_imx_uart(); + + if (!mxc_expio_init(MX51_CS5_BASE_ADDR, EXPIO_PARENT_INT)) + platform_device_register(&smsc_lan9217_device); +} + +static void __init mx51_3ds_timer_init(void) +{ + mx51_clocks_init(32768, 24000000, 22579200, 0); +} + +static struct sys_timer mxc_timer = { + .init = mx51_3ds_timer_init, +}; + +MACHINE_START(MX51_3DS, "Freescale MX51 3-Stack Board") + .phys_io = MX51_AIPS1_BASE_ADDR, + .io_pg_offst = ((MX51_AIPS1_BASE_ADDR_VIRT) >> 18) & 0xfffc, + .boot_params = PHYS_OFFSET + 0x100, + .map_io = mx51_map_io, + .init_irq = mx51_init_irq, + .init_machine = mxc_board_init, + .timer = &mxc_timer, +MACHINE_END diff --git a/arch/arm/plat-mxc/include/mach/board-mx51_3ds.h b/arch/arm/plat-mxc/include/mach/board-mx51_3ds.h new file mode 100644 index 0000000..c2aa016 --- /dev/null +++ b/arch/arm/plat-mxc/include/mach/board-mx51_3ds.h @@ -0,0 +1,27 @@ +/* + * Copyright 2008-2009 Freescale Semiconductor, Inc. All Rights Reserved. + * + * + * The code contained herein is licensed under the GNU General Public + * License. You may obtain a copy of the GNU General Public License + * Version 2 or later at the following locations: + * + * http://www.opensource.org/licenses/gpl-license.html + * http://www.gnu.org/copyleft/gpl.html + */ + +#ifndef __ASM_ARCH_MXC_BOARD_MX51_3DS_H__ +#define __ASM_ARCH_MXC_BOARD_MX51_3DS_H__ + +/* + * plat-mxc/include/mach/board-mx51_3ds.h + * + * This file contains all the board level configuration options. + * + * It currently hold the options defined for MX51 3Stack Platform. + * + */ + +#define EXPIO_PARENT_INT (MXC_INTERNAL_IRQS + GPIO_PORTA + 6) + +#endif /* __ASM_ARCH_MXC_BOARD_MX51_3DS_H__ */ -- 1.5.6.5