提交 70b17268 编写于 作者: E Eric Bénard 提交者: Sascha Hauer

mx5: add cpuimx51sd module and its baseboard

Signed-off-by: NEric Bénard <eric@eukrea.com>
上级 b545d9ed
......@@ -49,6 +49,31 @@ config MACH_EUKREA_MBIMX51_BASEBOARD
endchoice
config MACH_EUKREA_CPUIMX51SD
bool "Support Eukrea CPUIMX51SD module"
select IMX_HAVE_PLATFORM_IMX_I2C
select IMX_HAVE_PLATFORM_SPI_IMX
select IMX_HAVE_PLATFORM_IMX_UART
select IMX_HAVE_PLATFORM_MXC_NAND
help
Include support for Eukrea CPUIMX51SD platform. This includes
specific configurations for the module and its peripherals.
choice
prompt "Baseboard"
depends on MACH_EUKREA_CPUIMX51SD
default MACH_EUKREA_MBIMXSD51_BASEBOARD
config MACH_EUKREA_MBIMXSD51_BASEBOARD
prompt "Eukrea MBIMXSD development board"
bool
select IMX_HAVE_PLATFORM_ESDHC
help
This adds board specific devices that can be found on Eukrea's
MBIMXSD evaluation board.
endchoice
config MACH_MX51_EFIKAMX
bool "Support MX51 Genesi Efika MX nettop"
select IMX_HAVE_PLATFORM_IMX_UART
......
......@@ -9,4 +9,6 @@ obj-$(CONFIG_MACH_MX51_BABBAGE) += board-mx51_babbage.o
obj-$(CONFIG_MACH_MX51_3DS) += board-mx51_3ds.o
obj-$(CONFIG_MACH_EUKREA_CPUIMX51) += board-cpuimx51.o
obj-$(CONFIG_MACH_EUKREA_MBIMX51_BASEBOARD) += eukrea_mbimx51-baseboard.o
obj-$(CONFIG_MACH_EUKREA_CPUIMX51SD) += board-cpuimx51sd.o
obj-$(CONFIG_MACH_EUKREA_MBIMXSD51_BASEBOARD) += eukrea_mbimxsd-baseboard.o
obj-$(CONFIG_MACH_MX51_EFIKAMX) += board-mx51_efikamx.o
/*
*
* Copyright (C) 2010 Eric Bénard <eric@eukrea.com>
*
* based on board-mx51_babbage.c which is
* Copyright 2009 Freescale Semiconductor, Inc. All Rights Reserved.
* Copyright (C) 2009-2010 Amit Kucheria <amit.kucheria@canonical.com>
*
* 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 <linux/init.h>
#include <linux/platform_device.h>
#include <linux/i2c.h>
#include <linux/i2c/tsc2007.h>
#include <linux/gpio.h>
#include <linux/delay.h>
#include <linux/io.h>
#include <linux/interrupt.h>
#include <linux/irq.h>
#include <linux/fsl_devices.h>
#include <linux/i2c-gpio.h>
#include <linux/spi/spi.h>
#include <linux/can/platform/mcp251x.h>
#include <mach/eukrea-baseboards.h>
#include <mach/common.h>
#include <mach/hardware.h>
#include <mach/iomux-mx51.h>
#include <mach/mxc_ehci.h>
#include <asm/irq.h>
#include <asm/setup.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/time.h>
#include "devices-imx51.h"
#include "devices.h"
#define USBH1_RST (1*32 + 28)
#define ETH_RST (1*32 + 31)
#define TSC2007_IRQGPIO (2*32 + 12)
#define CAN_IRQGPIO (0*32 + 1)
#define CAN_RST (3*32 + 15)
#define CAN_NCS (3*32 + 24)
#define CAN_RXOBF (0*32 + 4)
#define CAN_RX1BF (0*32 + 6)
#define CAN_TXORTS (0*32 + 7)
#define CAN_TX1RTS (0*32 + 8)
#define CAN_TX2RTS (0*32 + 9)
#define I2C_SCL (3*32 + 16)
#define I2C_SDA (3*32 + 17)
/* USB_CTRL_1 */
#define MX51_USB_CTRL_1_OFFSET 0x10
#define MX51_USB_CTRL_UH1_EXT_CLK_EN (1 << 25)
#define MX51_USB_PLLDIV_12_MHZ 0x00
#define MX51_USB_PLL_DIV_19_2_MHZ 0x01
#define MX51_USB_PLL_DIV_24_MHZ 0x02
#define CPUIMX51SD_GPIO_3_12 IOMUX_PAD(0x57C, 0x194, 3, 0x0, 0, \
MX51_PAD_CTRL_1 | PAD_CTL_PUS_22K_UP)
static struct pad_desc eukrea_cpuimx51sd_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,
/* USB HOST1 */
MX51_PAD_USBH1_CLK__USBH1_CLK,
MX51_PAD_USBH1_DIR__USBH1_DIR,
MX51_PAD_USBH1_NXT__USBH1_NXT,
MX51_PAD_USBH1_DATA0__USBH1_DATA0,
MX51_PAD_USBH1_DATA1__USBH1_DATA1,
MX51_PAD_USBH1_DATA2__USBH1_DATA2,
MX51_PAD_USBH1_DATA3__USBH1_DATA3,
MX51_PAD_USBH1_DATA4__USBH1_DATA4,
MX51_PAD_USBH1_DATA5__USBH1_DATA5,
MX51_PAD_USBH1_DATA6__USBH1_DATA6,
MX51_PAD_USBH1_DATA7__USBH1_DATA7,
MX51_PAD_USBH1_STP__USBH1_STP,
MX51_PAD_EIM_CS3__GPIO_2_28, /* PHY nRESET */
/* FEC */
MX51_PAD_EIM_DTACK__GPIO_2_31, /* PHY nRESET */
/* HSI2C */
MX51_PAD_I2C1_CLK__GPIO_4_16,
MX51_PAD_I2C1_DAT__GPIO_4_17,
/* CAN */
MX51_PAD_CSPI1_MOSI__ECSPI1_MOSI,
MX51_PAD_CSPI1_MISO__ECSPI1_MISO,
MX51_PAD_CSPI1_SCLK__ECSPI1_SCLK,
MX51_PAD_CSPI1_SS0__GPIO_4_24, /* nCS */
MX51_PAD_CSI2_PIXCLK__GPIO_4_15, /* nReset */
MX51_PAD_GPIO_1_1__GPIO_1_1, /* IRQ */
MX51_PAD_GPIO_1_4__GPIO_1_4, /* Control signals */
MX51_PAD_GPIO_1_6__GPIO_1_6,
MX51_PAD_GPIO_1_7__GPIO_1_7,
MX51_PAD_GPIO_1_8__GPIO_1_8,
MX51_PAD_GPIO_1_9__GPIO_1_9,
/* Touchscreen */
CPUIMX51SD_GPIO_3_12, /* IRQ */
};
static const struct imxuart_platform_data uart_pdata __initconst = {
.flags = IMXUART_HAVE_RTSCTS,
};
static int ts_get_pendown_state(void)
{
return gpio_get_value(TSC2007_IRQGPIO) ? 0 : 1;
}
static struct tsc2007_platform_data tsc2007_info = {
.model = 2007,
.x_plate_ohms = 180,
.get_pendown_state = ts_get_pendown_state,
};
static struct i2c_board_info eukrea_cpuimx51sd_i2c_devices[] = {
{
I2C_BOARD_INFO("pcf8563", 0x51),
}, {
I2C_BOARD_INFO("tsc2007", 0x49),
.type = "tsc2007",
.platform_data = &tsc2007_info,
.irq = gpio_to_irq(TSC2007_IRQGPIO),
},
};
static const struct mxc_nand_platform_data
eukrea_cpuimx51sd_nand_board_info __initconst = {
.width = 1,
.hw_ecc = 1,
.flash_bbt = 1,
};
/* This function is board specific as the bit mask for the plldiv will also
be different for other Freescale SoCs, thus a common bitmask is not
possible and cannot get place in /plat-mxc/ehci.c.*/
static int initialize_otg_port(struct platform_device *pdev)
{
u32 v;
void __iomem *usb_base;
void __iomem *usbother_base;
usb_base = ioremap(MX51_OTG_BASE_ADDR, SZ_4K);
usbother_base = usb_base + MX5_USBOTHER_REGS_OFFSET;
/* Set the PHY clock to 19.2MHz */
v = __raw_readl(usbother_base + MXC_USB_PHY_CTR_FUNC2_OFFSET);
v &= ~MX5_USB_UTMI_PHYCTRL1_PLLDIV_MASK;
v |= MX51_USB_PLL_DIV_19_2_MHZ;
__raw_writel(v, usbother_base + MXC_USB_PHY_CTR_FUNC2_OFFSET);
iounmap(usb_base);
return 0;
}
static int initialize_usbh1_port(struct platform_device *pdev)
{
u32 v;
void __iomem *usb_base;
void __iomem *usbother_base;
usb_base = ioremap(MX51_OTG_BASE_ADDR, SZ_4K);
usbother_base = usb_base + MX5_USBOTHER_REGS_OFFSET;
/* The clock for the USBH1 ULPI port will come from the PHY. */
v = __raw_readl(usbother_base + MX51_USB_CTRL_1_OFFSET);
__raw_writel(v | MX51_USB_CTRL_UH1_EXT_CLK_EN,
usbother_base + MX51_USB_CTRL_1_OFFSET);
iounmap(usb_base);
return 0;
}
static struct mxc_usbh_platform_data dr_utmi_config = {
.init = initialize_otg_port,
.portsc = MXC_EHCI_UTMI_16BIT,
.flags = MXC_EHCI_INTERNAL_PHY,
};
static struct fsl_usb2_platform_data usb_pdata = {
.operating_mode = FSL_USB2_DR_DEVICE,
.phy_mode = FSL_USB2_PHY_UTMI_WIDE,
};
static struct mxc_usbh_platform_data usbh1_config = {
.init = initialize_usbh1_port,
.portsc = MXC_EHCI_MODE_ULPI,
.flags = (MXC_EHCI_POWER_PINS_ENABLED | MXC_EHCI_ITC_NO_THRESHOLD),
};
static int otg_mode_host;
static int __init eukrea_cpuimx51sd_otg_mode(char *options)
{
if (!strcmp(options, "host"))
otg_mode_host = 1;
else if (!strcmp(options, "device"))
otg_mode_host = 0;
else
pr_info("otg_mode neither \"host\" nor \"device\". "
"Defaulting to device\n");
return 0;
}
__setup("otg_mode=", eukrea_cpuimx51sd_otg_mode);
static struct i2c_gpio_platform_data pdata = {
.sda_pin = I2C_SDA,
.sda_is_open_drain = 0,
.scl_pin = I2C_SCL,
.scl_is_open_drain = 0,
.udelay = 2,
};
static struct platform_device hsi2c_gpio_device = {
.name = "i2c-gpio",
.id = 0,
.dev.platform_data = &pdata,
};
static struct mcp251x_platform_data mcp251x_info = {
.oscillator_frequency = 24E6,
};
static struct spi_board_info cpuimx51sd_spi_device[] = {
{
.modalias = "mcp2515",
.max_speed_hz = 6500000,
.bus_num = 0,
.mode = SPI_MODE_0,
.chip_select = 0,
.platform_data = &mcp251x_info,
.irq = gpio_to_irq(0 * 32 + 1)
},
};
static int cpuimx51sd_spi1_cs[] = {
CAN_NCS,
};
static const struct spi_imx_master cpuimx51sd_ecspi1_pdata __initconst = {
.chipselect = cpuimx51sd_spi1_cs,
.num_chipselect = ARRAY_SIZE(cpuimx51sd_spi1_cs),
};
static struct platform_device *platform_devices[] __initdata = {
&hsi2c_gpio_device,
};
static void __init eukrea_cpuimx51sd_init(void)
{
mxc_iomux_v3_setup_multiple_pads(eukrea_cpuimx51sd_pads,
ARRAY_SIZE(eukrea_cpuimx51sd_pads));
imx51_add_imx_uart(0, &uart_pdata);
imx51_add_mxc_nand(&eukrea_cpuimx51sd_nand_board_info);
gpio_request(ETH_RST, "eth_rst");
gpio_set_value(ETH_RST, 1);
imx51_add_fec(NULL);
gpio_request(CAN_IRQGPIO, "can_irq");
gpio_direction_input(CAN_IRQGPIO);
gpio_free(CAN_IRQGPIO);
gpio_request(CAN_NCS, "can_ncs");
gpio_direction_output(CAN_NCS, 1);
gpio_free(CAN_NCS);
gpio_request(CAN_RST, "can_rst");
gpio_direction_output(CAN_RST, 0);
msleep(20);
gpio_set_value(CAN_RST, 1);
imx51_add_ecspi(0, &cpuimx51sd_ecspi1_pdata);
spi_register_board_info(cpuimx51sd_spi_device,
ARRAY_SIZE(cpuimx51sd_spi_device));
gpio_request(TSC2007_IRQGPIO, "tsc2007_irq");
gpio_direction_input(TSC2007_IRQGPIO);
gpio_free(TSC2007_IRQGPIO);
i2c_register_board_info(0, eukrea_cpuimx51sd_i2c_devices,
ARRAY_SIZE(eukrea_cpuimx51sd_i2c_devices));
platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
if (otg_mode_host)
mxc_register_device(&mxc_usbdr_host_device, &dr_utmi_config);
else {
initialize_otg_port(NULL);
mxc_register_device(&mxc_usbdr_udc_device, &usb_pdata);
}
gpio_request(USBH1_RST, "usb_rst");
gpio_direction_output(USBH1_RST, 0);
msleep(20);
gpio_set_value(USBH1_RST, 1);
mxc_register_device(&mxc_usbh1_device, &usbh1_config);
#ifdef CONFIG_MACH_EUKREA_MBIMXSD51_BASEBOARD
eukrea_mbimxsd51_baseboard_init();
#endif
}
static void __init eukrea_cpuimx51sd_timer_init(void)
{
mx51_clocks_init(32768, 24000000, 22579200, 0);
}
static struct sys_timer mxc_timer = {
.init = eukrea_cpuimx51sd_timer_init,
};
MACHINE_START(EUKREA_CPUIMX51SD, "Eukrea CPUIMX51SD")
/* Maintainer: Eric Bénard <eric@eukrea.com> */
.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 = eukrea_cpuimx51sd_init,
.timer = &mxc_timer,
MACHINE_END
/*
* Copyright (C) 2010 Eric Benard - eric@eukrea.com
*
* Based on pcm970-baseboard.c which is :
* Copyright (C) 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 <linux/types.h>
#include <linux/init.h>
#include <linux/gpio.h>
#include <linux/interrupt.h>
#include <linux/irq.h>
#include <linux/leds.h>
#include <linux/platform_device.h>
#include <linux/gpio_keys.h>
#include <linux/input.h>
#include <linux/i2c.h>
#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:
......
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