diff options
| -rw-r--r-- | arch/arm/mach-mx5/Kconfig | 8 | ||||
| -rw-r--r-- | arch/arm/mach-mx5/Makefile | 1 | ||||
| -rw-r--r-- | arch/arm/mach-mx5/board-mx53_loco.c | 111 |
3 files changed, 120 insertions, 0 deletions
diff --git a/arch/arm/mach-mx5/Kconfig b/arch/arm/mach-mx5/Kconfig index 7c85853de2ca..de4fa992fc3e 100644 --- a/arch/arm/mach-mx5/Kconfig +++ b/arch/arm/mach-mx5/Kconfig @@ -141,6 +141,14 @@ config MACH_MX53_SMD Include support for MX53 SMD platform. This includes specific configurations for the board and its peripherals. +config MACH_MX53_LOCO + bool "Support MX53 LOCO platforms" + select SOC_IMX53 + select IMX_HAVE_PLATFORM_IMX_UART + help + Include support for MX53 LOCO platform. This includes specific + configurations for the board and its peripherals. + config MACH_MX50_RDP bool "Support MX50 reference design platform" depends on BROKEN diff --git a/arch/arm/mach-mx5/Makefile b/arch/arm/mach-mx5/Makefile index 895bfe33d6bd..0d43be98e51c 100644 --- a/arch/arm/mach-mx5/Makefile +++ b/arch/arm/mach-mx5/Makefile @@ -11,6 +11,7 @@ obj-$(CONFIG_MACH_MX51_BABBAGE) += board-mx51_babbage.o obj-$(CONFIG_MACH_MX51_3DS) += board-mx51_3ds.o obj-$(CONFIG_MACH_MX53_EVK) += board-mx53_evk.o obj-$(CONFIG_MACH_MX53_SMD) += board-mx53_smd.o +obj-$(CONFIG_MACH_MX53_LOCO) += board-mx53_loco.o obj-$(CONFIG_MACH_EUKREA_CPUIMX51) += board-cpuimx51.o obj-$(CONFIG_MACH_EUKREA_MBIMX51_BASEBOARD) += eukrea_mbimx51-baseboard.o obj-$(CONFIG_MACH_EUKREA_CPUIMX51SD) += board-cpuimx51sd.o diff --git a/arch/arm/mach-mx5/board-mx53_loco.c b/arch/arm/mach-mx5/board-mx53_loco.c new file mode 100644 index 000000000000..d1348e04ace3 --- /dev/null +++ b/arch/arm/mach-mx5/board-mx53_loco.c @@ -0,0 +1,111 @@ +/* + * Copyright (C) 2011 Freescale Semiconductor, Inc. All Rights Reserved. + */ + +/* + * 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 <linux/init.h> +#include <linux/clk.h> +#include <linux/fec.h> +#include <linux/delay.h> +#include <linux/gpio.h> + +#include <mach/common.h> +#include <mach/hardware.h> +#include <mach/imx-uart.h> +#include <mach/iomux-mx53.h> + +#include <asm/mach-types.h> +#include <asm/mach/arch.h> +#include <asm/mach/time.h> + +#include "crm_regs.h" +#include "devices-imx53.h" + +#define LOCO_FEC_PHY_RST IMX_GPIO_NR(7, 6) + +static iomux_v3_cfg_t mx53_loco_pads[] = { + MX53_PAD_CSI0_D10__UART1_TXD, + MX53_PAD_CSI0_D11__UART1_RXD, + MX53_PAD_ATA_DIOW__UART1_TXD, + MX53_PAD_ATA_DMACK__UART1_RXD, + + MX53_PAD_ATA_BUFFER_EN__UART2_RXD, + MX53_PAD_ATA_DMARQ__UART2_TXD, + MX53_PAD_ATA_DIOR__UART2_RTS, + MX53_PAD_ATA_INTRQ__UART2_CTS, + + MX53_PAD_ATA_CS_0__UART3_TXD, + MX53_PAD_ATA_CS_1__UART3_RXD, + MX53_PAD_ATA_DA_1__UART3_CTS, + MX53_PAD_ATA_DA_2__UART3_RTS, +}; + +static const struct imxuart_platform_data mx53_loco_uart_data __initconst = { + .flags = IMXUART_HAVE_RTSCTS, +}; + +static inline void mx53_loco_init_uart(void) +{ + imx53_add_imx_uart(0, &mx53_loco_uart_data); + imx53_add_imx_uart(1, &mx53_loco_uart_data); + imx53_add_imx_uart(2, &mx53_loco_uart_data); +} + +static inline void mx53_loco_fec_reset(void) +{ + int ret; + + /* reset FEC PHY */ + ret = gpio_request(LOCO_FEC_PHY_RST, "fec-phy-reset"); + if (ret) { + printk(KERN_ERR"failed to get GPIO_FEC_PHY_RESET: %d\n", ret); + return; + } + gpio_direction_output(LOCO_FEC_PHY_RST, 0); + msleep(1); + gpio_set_value(LOCO_FEC_PHY_RST, 1); +} + +static struct fec_platform_data mx53_loco_fec_data = { + .phy = PHY_INTERFACE_MODE_RMII, +}; + +static void __init mx53_loco_board_init(void) +{ + mxc_iomux_v3_setup_multiple_pads(mx53_loco_pads, + ARRAY_SIZE(mx53_loco_pads)); + mx53_loco_init_uart(); + mx53_loco_fec_reset(); + imx53_add_fec(&mx53_loco_fec_data); +} + +static void __init mx53_loco_timer_init(void) +{ + mx53_clocks_init(32768, 24000000, 0, 0); +} + +static struct sys_timer mx53_loco_timer = { + .init = mx53_loco_timer_init, +}; + +MACHINE_START(MX53_LOCO, "Freescale MX53 LOCO Board") + .map_io = mx53_map_io, + .init_irq = mx53_init_irq, + .init_machine = mx53_loco_board_init, + .timer = &mx53_loco_timer, +MACHINE_END |
