mx5: add cpuimx51sd module and its baseboard
Signed-off-by: Eric Bénard <eric@eukrea.com>
This commit is contained in:
Eric Bénard
Sascha Hauer
parent
b545d9ed1b
commit
70b1726820
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@ -49,6 +49,31 @@ config MACH_EUKREA_MBIMX51_BASEBOARD
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endchoice
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config MACH_EUKREA_CPUIMX51SD
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bool "Support Eukrea CPUIMX51SD module"
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select IMX_HAVE_PLATFORM_IMX_I2C
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select IMX_HAVE_PLATFORM_SPI_IMX
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select IMX_HAVE_PLATFORM_IMX_UART
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select IMX_HAVE_PLATFORM_MXC_NAND
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help
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Include support for Eukrea CPUIMX51SD platform. This includes
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specific configurations for the module and its peripherals.
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choice
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prompt "Baseboard"
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depends on MACH_EUKREA_CPUIMX51SD
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default MACH_EUKREA_MBIMXSD51_BASEBOARD
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config MACH_EUKREA_MBIMXSD51_BASEBOARD
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prompt "Eukrea MBIMXSD development board"
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bool
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select IMX_HAVE_PLATFORM_ESDHC
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help
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This adds board specific devices that can be found on Eukrea's
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MBIMXSD evaluation board.
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endchoice
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config MACH_MX51_EFIKAMX
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bool "Support MX51 Genesi Efika MX nettop"
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select IMX_HAVE_PLATFORM_IMX_UART
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@ -9,4 +9,6 @@ obj-$(CONFIG_MACH_MX51_BABBAGE) += board-mx51_babbage.o
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obj-$(CONFIG_MACH_MX51_3DS) += board-mx51_3ds.o
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obj-$(CONFIG_MACH_EUKREA_CPUIMX51) += board-cpuimx51.o
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obj-$(CONFIG_MACH_EUKREA_MBIMX51_BASEBOARD) += eukrea_mbimx51-baseboard.o
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obj-$(CONFIG_MACH_EUKREA_CPUIMX51SD) += board-cpuimx51sd.o
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obj-$(CONFIG_MACH_EUKREA_MBIMXSD51_BASEBOARD) += eukrea_mbimxsd-baseboard.o
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obj-$(CONFIG_MACH_MX51_EFIKAMX) += board-mx51_efikamx.o
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@ -0,0 +1,333 @@
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/*
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*
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* Copyright (C) 2010 Eric Bénard <eric@eukrea.com>
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*
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* based on board-mx51_babbage.c which is
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* Copyright 2009 Freescale Semiconductor, Inc. All Rights Reserved.
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* Copyright (C) 2009-2010 Amit Kucheria <amit.kucheria@canonical.com>
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*
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* The code contained herein is licensed under the GNU General Public
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* License. You may obtain a copy of the GNU General Public License
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* Version 2 or later at the following locations:
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*
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* http://www.opensource.org/licenses/gpl-license.html
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* http://www.gnu.org/copyleft/gpl.html
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*/
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#include <linux/init.h>
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#include <linux/platform_device.h>
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#include <linux/i2c.h>
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#include <linux/i2c/tsc2007.h>
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#include <linux/gpio.h>
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#include <linux/delay.h>
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#include <linux/io.h>
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#include <linux/interrupt.h>
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#include <linux/irq.h>
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#include <linux/fsl_devices.h>
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#include <linux/i2c-gpio.h>
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#include <linux/spi/spi.h>
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#include <linux/can/platform/mcp251x.h>
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#include <mach/eukrea-baseboards.h>
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#include <mach/common.h>
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#include <mach/hardware.h>
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#include <mach/iomux-mx51.h>
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#include <mach/mxc_ehci.h>
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#include <asm/irq.h>
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#include <asm/setup.h>
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#include <asm/mach-types.h>
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#include <asm/mach/arch.h>
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#include <asm/mach/time.h>
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#include "devices-imx51.h"
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#include "devices.h"
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#define USBH1_RST (1*32 + 28)
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#define ETH_RST (1*32 + 31)
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#define TSC2007_IRQGPIO (2*32 + 12)
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#define CAN_IRQGPIO (0*32 + 1)
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#define CAN_RST (3*32 + 15)
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#define CAN_NCS (3*32 + 24)
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#define CAN_RXOBF (0*32 + 4)
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#define CAN_RX1BF (0*32 + 6)
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#define CAN_TXORTS (0*32 + 7)
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#define CAN_TX1RTS (0*32 + 8)
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#define CAN_TX2RTS (0*32 + 9)
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#define I2C_SCL (3*32 + 16)
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#define I2C_SDA (3*32 + 17)
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/* USB_CTRL_1 */
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#define MX51_USB_CTRL_1_OFFSET 0x10
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#define MX51_USB_CTRL_UH1_EXT_CLK_EN (1 << 25)
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#define MX51_USB_PLLDIV_12_MHZ 0x00
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#define MX51_USB_PLL_DIV_19_2_MHZ 0x01
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#define MX51_USB_PLL_DIV_24_MHZ 0x02
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#define CPUIMX51SD_GPIO_3_12 IOMUX_PAD(0x57C, 0x194, 3, 0x0, 0, \
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MX51_PAD_CTRL_1 | PAD_CTL_PUS_22K_UP)
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static struct pad_desc eukrea_cpuimx51sd_pads[] = {
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/* UART1 */
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MX51_PAD_UART1_RXD__UART1_RXD,
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MX51_PAD_UART1_TXD__UART1_TXD,
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MX51_PAD_UART1_RTS__UART1_RTS,
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MX51_PAD_UART1_CTS__UART1_CTS,
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/* USB HOST1 */
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MX51_PAD_USBH1_CLK__USBH1_CLK,
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MX51_PAD_USBH1_DIR__USBH1_DIR,
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MX51_PAD_USBH1_NXT__USBH1_NXT,
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MX51_PAD_USBH1_DATA0__USBH1_DATA0,
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MX51_PAD_USBH1_DATA1__USBH1_DATA1,
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MX51_PAD_USBH1_DATA2__USBH1_DATA2,
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MX51_PAD_USBH1_DATA3__USBH1_DATA3,
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MX51_PAD_USBH1_DATA4__USBH1_DATA4,
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MX51_PAD_USBH1_DATA5__USBH1_DATA5,
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MX51_PAD_USBH1_DATA6__USBH1_DATA6,
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MX51_PAD_USBH1_DATA7__USBH1_DATA7,
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MX51_PAD_USBH1_STP__USBH1_STP,
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MX51_PAD_EIM_CS3__GPIO_2_28, /* PHY nRESET */
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/* FEC */
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MX51_PAD_EIM_DTACK__GPIO_2_31, /* PHY nRESET */
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/* HSI2C */
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MX51_PAD_I2C1_CLK__GPIO_4_16,
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MX51_PAD_I2C1_DAT__GPIO_4_17,
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/* CAN */
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MX51_PAD_CSPI1_MOSI__ECSPI1_MOSI,
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MX51_PAD_CSPI1_MISO__ECSPI1_MISO,
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MX51_PAD_CSPI1_SCLK__ECSPI1_SCLK,
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MX51_PAD_CSPI1_SS0__GPIO_4_24, /* nCS */
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MX51_PAD_CSI2_PIXCLK__GPIO_4_15, /* nReset */
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MX51_PAD_GPIO_1_1__GPIO_1_1, /* IRQ */
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MX51_PAD_GPIO_1_4__GPIO_1_4, /* Control signals */
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MX51_PAD_GPIO_1_6__GPIO_1_6,
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MX51_PAD_GPIO_1_7__GPIO_1_7,
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MX51_PAD_GPIO_1_8__GPIO_1_8,
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MX51_PAD_GPIO_1_9__GPIO_1_9,
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/* Touchscreen */
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CPUIMX51SD_GPIO_3_12, /* IRQ */
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};
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static const struct imxuart_platform_data uart_pdata __initconst = {
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.flags = IMXUART_HAVE_RTSCTS,
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};
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static int ts_get_pendown_state(void)
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{
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return gpio_get_value(TSC2007_IRQGPIO) ? 0 : 1;
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}
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static struct tsc2007_platform_data tsc2007_info = {
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.model = 2007,
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.x_plate_ohms = 180,
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.get_pendown_state = ts_get_pendown_state,
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};
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static struct i2c_board_info eukrea_cpuimx51sd_i2c_devices[] = {
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{
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I2C_BOARD_INFO("pcf8563", 0x51),
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}, {
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I2C_BOARD_INFO("tsc2007", 0x49),
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.type = "tsc2007",
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.platform_data = &tsc2007_info,
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.irq = gpio_to_irq(TSC2007_IRQGPIO),
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},
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};
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static const struct mxc_nand_platform_data
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eukrea_cpuimx51sd_nand_board_info __initconst = {
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.width = 1,
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.hw_ecc = 1,
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.flash_bbt = 1,
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};
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/* This function is board specific as the bit mask for the plldiv will also
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be different for other Freescale SoCs, thus a common bitmask is not
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possible and cannot get place in /plat-mxc/ehci.c.*/
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static int initialize_otg_port(struct platform_device *pdev)
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{
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u32 v;
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void __iomem *usb_base;
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void __iomem *usbother_base;
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usb_base = ioremap(MX51_OTG_BASE_ADDR, SZ_4K);
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usbother_base = usb_base + MX5_USBOTHER_REGS_OFFSET;
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/* Set the PHY clock to 19.2MHz */
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v = __raw_readl(usbother_base + MXC_USB_PHY_CTR_FUNC2_OFFSET);
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v &= ~MX5_USB_UTMI_PHYCTRL1_PLLDIV_MASK;
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v |= MX51_USB_PLL_DIV_19_2_MHZ;
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__raw_writel(v, usbother_base + MXC_USB_PHY_CTR_FUNC2_OFFSET);
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iounmap(usb_base);
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return 0;
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}
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static int initialize_usbh1_port(struct platform_device *pdev)
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{
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u32 v;
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void __iomem *usb_base;
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void __iomem *usbother_base;
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usb_base = ioremap(MX51_OTG_BASE_ADDR, SZ_4K);
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usbother_base = usb_base + MX5_USBOTHER_REGS_OFFSET;
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/* The clock for the USBH1 ULPI port will come from the PHY. */
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v = __raw_readl(usbother_base + MX51_USB_CTRL_1_OFFSET);
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__raw_writel(v | MX51_USB_CTRL_UH1_EXT_CLK_EN,
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usbother_base + MX51_USB_CTRL_1_OFFSET);
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iounmap(usb_base);
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return 0;
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}
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static struct mxc_usbh_platform_data dr_utmi_config = {
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.init = initialize_otg_port,
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.portsc = MXC_EHCI_UTMI_16BIT,
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.flags = MXC_EHCI_INTERNAL_PHY,
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};
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static struct fsl_usb2_platform_data usb_pdata = {
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.operating_mode = FSL_USB2_DR_DEVICE,
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.phy_mode = FSL_USB2_PHY_UTMI_WIDE,
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};
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static struct mxc_usbh_platform_data usbh1_config = {
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.init = initialize_usbh1_port,
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.portsc = MXC_EHCI_MODE_ULPI,
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.flags = (MXC_EHCI_POWER_PINS_ENABLED | MXC_EHCI_ITC_NO_THRESHOLD),
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};
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static int otg_mode_host;
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static int __init eukrea_cpuimx51sd_otg_mode(char *options)
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{
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if (!strcmp(options, "host"))
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otg_mode_host = 1;
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else if (!strcmp(options, "device"))
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otg_mode_host = 0;
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else
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pr_info("otg_mode neither \"host\" nor \"device\". "
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"Defaulting to device\n");
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return 0;
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}
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__setup("otg_mode=", eukrea_cpuimx51sd_otg_mode);
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static struct i2c_gpio_platform_data pdata = {
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.sda_pin = I2C_SDA,
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.sda_is_open_drain = 0,
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.scl_pin = I2C_SCL,
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.scl_is_open_drain = 0,
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.udelay = 2,
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};
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static struct platform_device hsi2c_gpio_device = {
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.name = "i2c-gpio",
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.id = 0,
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.dev.platform_data = &pdata,
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};
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static struct mcp251x_platform_data mcp251x_info = {
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.oscillator_frequency = 24E6,
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};
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static struct spi_board_info cpuimx51sd_spi_device[] = {
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{
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.modalias = "mcp2515",
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.max_speed_hz = 6500000,
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.bus_num = 0,
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.mode = SPI_MODE_0,
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.chip_select = 0,
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.platform_data = &mcp251x_info,
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.irq = gpio_to_irq(0 * 32 + 1)
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},
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};
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static int cpuimx51sd_spi1_cs[] = {
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CAN_NCS,
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};
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static const struct spi_imx_master cpuimx51sd_ecspi1_pdata __initconst = {
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.chipselect = cpuimx51sd_spi1_cs,
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.num_chipselect = ARRAY_SIZE(cpuimx51sd_spi1_cs),
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};
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static struct platform_device *platform_devices[] __initdata = {
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&hsi2c_gpio_device,
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};
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static void __init eukrea_cpuimx51sd_init(void)
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{
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mxc_iomux_v3_setup_multiple_pads(eukrea_cpuimx51sd_pads,
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ARRAY_SIZE(eukrea_cpuimx51sd_pads));
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imx51_add_imx_uart(0, &uart_pdata);
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imx51_add_mxc_nand(&eukrea_cpuimx51sd_nand_board_info);
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gpio_request(ETH_RST, "eth_rst");
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gpio_set_value(ETH_RST, 1);
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imx51_add_fec(NULL);
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gpio_request(CAN_IRQGPIO, "can_irq");
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gpio_direction_input(CAN_IRQGPIO);
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gpio_free(CAN_IRQGPIO);
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gpio_request(CAN_NCS, "can_ncs");
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gpio_direction_output(CAN_NCS, 1);
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gpio_free(CAN_NCS);
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gpio_request(CAN_RST, "can_rst");
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gpio_direction_output(CAN_RST, 0);
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msleep(20);
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gpio_set_value(CAN_RST, 1);
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imx51_add_ecspi(0, &cpuimx51sd_ecspi1_pdata);
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spi_register_board_info(cpuimx51sd_spi_device,
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ARRAY_SIZE(cpuimx51sd_spi_device));
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gpio_request(TSC2007_IRQGPIO, "tsc2007_irq");
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gpio_direction_input(TSC2007_IRQGPIO);
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gpio_free(TSC2007_IRQGPIO);
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i2c_register_board_info(0, eukrea_cpuimx51sd_i2c_devices,
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ARRAY_SIZE(eukrea_cpuimx51sd_i2c_devices));
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platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
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if (otg_mode_host)
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mxc_register_device(&mxc_usbdr_host_device, &dr_utmi_config);
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else {
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initialize_otg_port(NULL);
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mxc_register_device(&mxc_usbdr_udc_device, &usb_pdata);
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}
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gpio_request(USBH1_RST, "usb_rst");
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gpio_direction_output(USBH1_RST, 0);
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msleep(20);
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gpio_set_value(USBH1_RST, 1);
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mxc_register_device(&mxc_usbh1_device, &usbh1_config);
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#ifdef CONFIG_MACH_EUKREA_MBIMXSD51_BASEBOARD
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eukrea_mbimxsd51_baseboard_init();
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#endif
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}
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static void __init eukrea_cpuimx51sd_timer_init(void)
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{
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mx51_clocks_init(32768, 24000000, 22579200, 0);
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}
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static struct sys_timer mxc_timer = {
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.init = eukrea_cpuimx51sd_timer_init,
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};
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MACHINE_START(EUKREA_CPUIMX51SD, "Eukrea CPUIMX51SD")
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/* Maintainer: Eric Bénard <eric@eukrea.com> */
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.phys_io = MX51_AIPS1_BASE_ADDR,
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.io_pg_offst = ((MX51_AIPS1_BASE_ADDR_VIRT) >> 18) & 0xfffc,
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.boot_params = PHYS_OFFSET + 0x100,
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.map_io = mx51_map_io,
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.init_irq = mx51_init_irq,
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.init_machine = eukrea_cpuimx51sd_init,
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.timer = &mxc_timer,
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MACHINE_END
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@ -0,0 +1,166 @@
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/*
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* Copyright (C) 2010 Eric Benard - eric@eukrea.com
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*
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* Based on pcm970-baseboard.c which is :
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* Copyright (C) 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
|
||||
* 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/types.h>
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#include <linux/init.h>
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#include <linux/gpio.h>
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#include <linux/interrupt.h>
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#include <linux/irq.h>
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#include <linux/leds.h>
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#include <linux/platform_device.h>
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#include <linux/gpio_keys.h>
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#include <linux/input.h>
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#include <linux/i2c.h>
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#include <asm/mach-types.h>
|
||||
#include <asm/mach/arch.h>
|
||||
#include <asm/mach/time.h>
|
||||
#include <asm/mach/map.h>
|
||||
|
||||
#include <mach/hardware.h>
|
||||
#include <mach/common.h>
|
||||
#include <mach/imx-uart.h>
|
||||
#include <mach/iomux-mx51.h>
|
||||
#include <mach/audmux.h>
|
||||
|
||||
#include "devices-imx51.h"
|
||||
#include "devices.h"
|
||||
|
||||
#define MBIMXSD_GPIO_3_31 IOMUX_PAD(0x554, 0x16C, 3, 0x0, 0, \
|
||||
MX51_PAD_CTRL_1 | PAD_CTL_PUS_22K_UP)
|
||||
|
||||
static struct pad_desc eukrea_mbimxsd_pads[] = {
|
||||
/* LED */
|
||||
MX51_PAD_NANDF_D10__GPIO_3_30,
|
||||
/* SWITCH */
|
||||
MBIMXSD_GPIO_3_31,
|
||||
/* UART2 */
|
||||
MX51_PAD_UART2_RXD__UART2_RXD,
|
||||
MX51_PAD_UART2_TXD__UART2_TXD,
|
||||
/* UART 3 */
|
||||
MX51_PAD_UART3_RXD__UART3_RXD,
|
||||
MX51_PAD_UART3_TXD__UART3_TXD,
|
||||
MX51_PAD_KEY_COL4__UART3_RTS,
|
||||
MX51_PAD_KEY_COL5__UART3_CTS,
|
||||
/* SD */
|
||||
MX51_PAD_SD1_CMD__SD1_CMD,
|
||||
MX51_PAD_SD1_CLK__SD1_CLK,
|
||||
MX51_PAD_SD1_DATA0__SD1_DATA0,
|
||||
MX51_PAD_SD1_DATA1__SD1_DATA1,
|
||||
MX51_PAD_SD1_DATA2__SD1_DATA2,
|
||||
MX51_PAD_SD1_DATA3__SD1_DATA3,
|
||||
};
|
||||
|
||||
#define GPIO_LED1 (2 * 32 + 30)
|
||||
#define GPIO_SWITCH1 (2 * 32 + 31)
|
||||
|
||||
static struct gpio_led eukrea_mbimxsd_leds[] = {
|
||||
{
|
||||
.name = "led1",
|
||||
.default_trigger = "heartbeat",
|
||||
.active_low = 1,
|
||||
.gpio = GPIO_LED1,
|
||||
},
|
||||
};
|
||||
|
||||
static struct gpio_led_platform_data eukrea_mbimxsd_led_info = {
|
||||
.leds = eukrea_mbimxsd_leds,
|
||||
.num_leds = ARRAY_SIZE(eukrea_mbimxsd_leds),
|
||||
};
|
||||
|
||||
static struct platform_device eukrea_mbimxsd_leds_gpio = {
|
||||
.name = "leds-gpio",
|
||||
.id = -1,
|
||||
.dev = {
|
||||
.platform_data = &eukrea_mbimxsd_led_info,
|
||||
},
|
||||
};
|
||||
|
||||
static struct gpio_keys_button eukrea_mbimxsd_gpio_buttons[] = {
|
||||
{
|
||||
.gpio = GPIO_SWITCH1,
|
||||
.code = BTN_0,
|
||||
.desc = "BP1",
|
||||
.active_low = 1,
|
||||
.wakeup = 1,
|
||||
},
|
||||
};
|
||||
|
||||
static struct gpio_keys_platform_data eukrea_mbimxsd_button_data = {
|
||||
.buttons = eukrea_mbimxsd_gpio_buttons,
|
||||
.nbuttons = ARRAY_SIZE(eukrea_mbimxsd_gpio_buttons),
|
||||
};
|
||||
|
||||
static struct platform_device eukrea_mbimxsd_button_device = {
|
||||
.name = "gpio-keys",
|
||||
.id = -1,
|
||||
.num_resources = 0,
|
||||
.dev = {
|
||||
.platform_data = &eukrea_mbimxsd_button_data,
|
||||
}
|
||||
};
|
||||
|
||||
static struct platform_device *platform_devices[] __initdata = {
|
||||
&eukrea_mbimxsd_leds_gpio,
|
||||
&eukrea_mbimxsd_button_device,
|
||||
};
|
||||
|
||||
static const struct imxuart_platform_data uart_pdata __initconst = {
|
||||
.flags = IMXUART_HAVE_RTSCTS,
|
||||
};
|
||||
|
||||
static struct i2c_board_info eukrea_mbimxsd_i2c_devices[] = {
|
||||
{
|
||||
I2C_BOARD_INFO("tlv320aic23", 0x1a),
|
||||
},
|
||||
};
|
||||
|
||||
/*
|
||||
* system init for baseboard usage. Will be called by cpuimx51sd init.
|
||||
*
|
||||
* Add platform devices present on this baseboard and init
|
||||
* them from CPU side as far as required to use them later on
|
||||
*/
|
||||
void __init eukrea_mbimxsd51_baseboard_init(void)
|
||||
{
|
||||
if (mxc_iomux_v3_setup_multiple_pads(eukrea_mbimxsd_pads,
|
||||
ARRAY_SIZE(eukrea_mbimxsd_pads)))
|
||||
printk(KERN_ERR "error setting mbimxsd pads !\n");
|
||||
|
||||
imx51_add_imx_uart(1, NULL);
|
||||
imx51_add_imx_uart(2, &uart_pdata);
|
||||
|
||||
imx51_add_esdhc(0, NULL);
|
||||
|
||||
gpio_request(GPIO_LED1, "LED1");
|
||||
gpio_direction_output(GPIO_LED1, 1);
|
||||
gpio_free(GPIO_LED1);
|
||||
|
||||
gpio_request(GPIO_SWITCH1, "SWITCH1");
|
||||
gpio_direction_input(GPIO_SWITCH1);
|
||||
gpio_free(GPIO_SWITCH1);
|
||||
|
||||
i2c_register_board_info(0, eukrea_mbimxsd_i2c_devices,
|
||||
ARRAY_SIZE(eukrea_mbimxsd_i2c_devices));
|
||||
|
||||
platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
|
||||
}
|
||||
|
|
@ -28,19 +28,22 @@
|
|||
* its own devices, it calls baseboard's init function.
|
||||
* TODO: Add your own baseboard init function and call it from
|
||||
* inside eukrea_cpuimx25_init() eukrea_cpuimx27_init()
|
||||
* eukrea_cpuimx35_init() or eukrea_cpuimx51_init().
|
||||
* eukrea_cpuimx35_init() eukrea_cpuimx51_init()
|
||||
* or eukrea_cpuimx51sd_init().
|
||||
*
|
||||
* This example here is for the development board. Refer
|
||||
* mach-mx25/eukrea_mbimxsd-baseboard.c for cpuimx25
|
||||
* mach-imx/eukrea_mbimx27-baseboard.c for cpuimx27
|
||||
* mach-mx3/eukrea_mbimxsd-baseboard.c for cpuimx35
|
||||
* mach-mx5/eukrea_mbimx51-baseboard.c for cpuimx51
|
||||
* mach-mx5/eukrea_mbimxsd-baseboard.c for cpuimx51sd
|
||||
*/
|
||||
|
||||
extern void eukrea_mbimxsd25_baseboard_init(void);
|
||||
extern void eukrea_mbimx27_baseboard_init(void);
|
||||
extern void eukrea_mbimxsd35_baseboard_init(void);
|
||||
extern void eukrea_mbimx51_baseboard_init(void);
|
||||
extern void eukrea_mbimxsd51_baseboard_init(void);
|
||||
|
||||
#endif
|
||||
|
||||
|
|
|
|||
|
|
@ -99,6 +99,7 @@ static __inline__ void __arch_decomp_setup(unsigned long arch_id)
|
|||
uart_base = MX3X_UART2_BASE_ADDR;
|
||||
break;
|
||||
case MACH_TYPE_MX51_BABBAGE:
|
||||
case MACH_TYPE_EUKREA_CPUIMX51SD:
|
||||
uart_base = MX51_UART1_BASE_ADDR;
|
||||
break;
|
||||
default:
|
||||
|
|
|
|||
Reference in New Issue