Commit ef93f144 authored by Eric Bénard's avatar Eric Bénard Committed by Sascha Hauer

i.MX51: add support for cpuimx51 module and its baseboard

CPUIMX51 is build around Freescale's i.MX515 and has up to
512MB of RAM, NAND Flash, Ethernet, USB Host with 4 ports
hub, USB OTG, ST16554 Quad UART on nCS1, I2C RTC ...

MBIMX51 adds LEDS, Keypad, TSC2007 touchscreen controler ...
Signed-off-by: default avatarEric Bénard <eric@eukrea.com>
Signed-off-by: default avatarSascha Hauer <s.hauer@pengutronix.de>
parent 84659ab5
......@@ -21,4 +21,25 @@ config MACH_MX51_3DS
help
Include support for MX51PDK (3DS) platform. This includes specific
configurations for the board and its peripherals.
config MACH_EUKREA_CPUIMX51
bool "Support Eukrea CPUIMX51 module"
help
Include support for Eukrea CPUIMX51 platform. This includes
specific configurations for the module and its peripherals.
choice
prompt "Baseboard"
depends on MACH_EUKREA_CPUIMX51
default MACH_EUKREA_MBIMX51_BASEBOARD
config MACH_EUKREA_MBIMX51_BASEBOARD
prompt "Eukrea MBIMX51 development board"
bool
help
This adds board specific devices that can be found on Eukrea's
MBIMX51 evaluation board.
endchoice
endif
......@@ -7,3 +7,5 @@ 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
obj-$(CONFIG_MACH_EUKREA_CPUIMX51) += board-cpuimx51.o
obj-$(CONFIG_MACH_EUKREA_MBIMX51_BASEBOARD) += eukrea_mbimx51-baseboard.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/serial_8250.h>
#include <linux/i2c.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 <mach/eukrea-baseboards.h>
#include <mach/common.h>
#include <mach/hardware.h>
#include <mach/imx-uart.h>
#include <mach/iomux-mx51.h>
#include <mach/i2c.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.h"
#define CPUIMX51_USBH1_STP (0*32 + 27)
#define CPUIMX51_QUARTA_GPIO (2*32 + 28)
#define CPUIMX51_QUARTB_GPIO (2*32 + 25)
#define CPUIMX51_QUARTC_GPIO (2*32 + 26)
#define CPUIMX51_QUARTD_GPIO (2*32 + 27)
#define CPUIMX51_QUARTA_IRQ (MXC_INTERNAL_IRQS + CPUIMX51_QUARTA_GPIO)
#define CPUIMX51_QUARTB_IRQ (MXC_INTERNAL_IRQS + CPUIMX51_QUARTB_GPIO)
#define CPUIMX51_QUARTC_IRQ (MXC_INTERNAL_IRQS + CPUIMX51_QUARTC_GPIO)
#define CPUIMX51_QUARTD_IRQ (MXC_INTERNAL_IRQS + CPUIMX51_QUARTD_GPIO)
#define CPUIMX51_QUART_XTAL 14745600
#define CPUIMX51_QUART_REGSHIFT 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
#if defined(CONFIG_SERIAL_8250) || defined(CONFIG_SERIAL_8250_MODULE)
static struct plat_serial8250_port serial_platform_data[] = {
{
.mapbase = (unsigned long)(MX51_CS1_BASE_ADDR + 0x400000),
.irq = CPUIMX51_QUARTA_IRQ,
.irqflags = IRQF_TRIGGER_HIGH,
.uartclk = CPUIMX51_QUART_XTAL,
.regshift = CPUIMX51_QUART_REGSHIFT,
.iotype = UPIO_MEM,
.flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_IOREMAP,
}, {
.mapbase = (unsigned long)(MX51_CS1_BASE_ADDR + 0x800000),
.irq = CPUIMX51_QUARTB_IRQ,
.irqflags = IRQF_TRIGGER_HIGH,
.uartclk = CPUIMX51_QUART_XTAL,
.regshift = CPUIMX51_QUART_REGSHIFT,
.iotype = UPIO_MEM,
.flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_IOREMAP,
}, {
.mapbase = (unsigned long)(MX51_CS1_BASE_ADDR + 0x1000000),
.irq = CPUIMX51_QUARTC_IRQ,
.irqflags = IRQF_TRIGGER_HIGH,
.uartclk = CPUIMX51_QUART_XTAL,
.regshift = CPUIMX51_QUART_REGSHIFT,
.iotype = UPIO_MEM,
.flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_IOREMAP,
}, {
.mapbase = (unsigned long)(MX51_CS1_BASE_ADDR + 0x2000000),
.irq = CPUIMX51_QUARTD_IRQ,
.irqflags = IRQF_TRIGGER_HIGH,
.uartclk = CPUIMX51_QUART_XTAL,
.regshift = CPUIMX51_QUART_REGSHIFT,
.iotype = UPIO_MEM,
.flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_IOREMAP,
}, {
}
};
static struct platform_device serial_device = {
.name = "serial8250",
.id = 0,
.dev = {
.platform_data = serial_platform_data,
},
};
#endif
static struct platform_device *devices[] __initdata = {
&mxc_fec_device,
#if defined(CONFIG_SERIAL_8250) || defined(CONFIG_SERIAL_8250_MODULE)
&serial_device,
#endif
};
static struct pad_desc eukrea_cpuimx51_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,
/* I2C2 */
MX51_PAD_GPIO_1_2__I2C2_SCL,
MX51_PAD_GPIO_1_3__I2C2_SDA,
MX51_PAD_NANDF_D10__GPIO_3_30,
/* QUART IRQ */
MX51_PAD_NANDF_D15__GPIO_3_25,
MX51_PAD_NANDF_D14__GPIO_3_26,
MX51_PAD_NANDF_D13__GPIO_3_27,
MX51_PAD_NANDF_D12__GPIO_3_28,
/* 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,
};
static struct imxuart_platform_data uart_pdata = {
.flags = IMXUART_HAVE_RTSCTS,
};
static struct imxi2c_platform_data eukrea_cpuimx51_i2c_data = {
.bitrate = 100000,
};
static struct i2c_board_info eukrea_cpuimx51_i2c_devices[] = {
{
I2C_BOARD_INFO("pcf8563", 0x51),
},
};
/* 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 externally 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_cpuimx51_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_cpuimx51_otg_mode);
/*
* Board specific initialization.
*/
static void __init eukrea_cpuimx51_init(void)
{
mxc_iomux_v3_setup_multiple_pads(eukrea_cpuimx51_pads,
ARRAY_SIZE(eukrea_cpuimx51_pads));
mxc_register_device(&mxc_uart_device0, &uart_pdata);
gpio_request(CPUIMX51_QUARTA_GPIO, "quarta_irq");
gpio_direction_input(CPUIMX51_QUARTA_GPIO);
gpio_free(CPUIMX51_QUARTA_GPIO);
gpio_request(CPUIMX51_QUARTB_GPIO, "quartb_irq");
gpio_direction_input(CPUIMX51_QUARTB_GPIO);
gpio_free(CPUIMX51_QUARTB_GPIO);
gpio_request(CPUIMX51_QUARTC_GPIO, "quartc_irq");
gpio_direction_input(CPUIMX51_QUARTC_GPIO);
gpio_free(CPUIMX51_QUARTC_GPIO);
gpio_request(CPUIMX51_QUARTD_GPIO, "quartd_irq");
gpio_direction_input(CPUIMX51_QUARTD_GPIO);
gpio_free(CPUIMX51_QUARTD_GPIO);
platform_add_devices(devices, ARRAY_SIZE(devices));
mxc_register_device(&mxc_i2c_device1, &eukrea_cpuimx51_i2c_data);
i2c_register_board_info(1, eukrea_cpuimx51_i2c_devices,
ARRAY_SIZE(eukrea_cpuimx51_i2c_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);
}
mxc_register_device(&mxc_usbh1_device, &usbh1_config);
#ifdef CONFIG_MACH_EUKREA_MBIMX51_BASEBOARD
eukrea_mbimx51_baseboard_init();
#endif
}
static void __init eukrea_cpuimx51_timer_init(void)
{
mx51_clocks_init(32768, 24000000, 22579200, 0);
}
static struct sys_timer mxc_timer = {
.init = eukrea_cpuimx51_timer_init,
};
MACHINE_START(EUKREA_CPUIMX51, "Eukrea CPUIMX51 Module")
/* 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_cpuimx51_init,
.timer = &mxc_timer,
MACHINE_END
/*
*
* Copyright (C) 2010 Eric Bénard <eric@eukrea.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/serial_8250.h>
#include <linux/i2c.h>
#include <linux/gpio.h>
#include <linux/io.h>
#include <linux/interrupt.h>
#include <linux/irq.h>
#include <linux/fsl_devices.h>
#include <linux/i2c/tsc2007.h>
#include <linux/leds.h>
#include <linux/input/matrix_keypad.h>
#include <mach/common.h>
#include <mach/hardware.h>
#include <mach/imx-uart.h>
#include <mach/iomux-mx51.h>
#include <asm/mach/arch.h>
#include "devices.h"
#define MBIMX51_TSC2007_GPIO (2*32 + 30)
#define MBIMX51_TSC2007_IRQ (MXC_INTERNAL_IRQS + MBIMX51_TSC2007_GPIO)
#define MBIMX51_LED0 (2*32 + 5)
#define MBIMX51_LED1 (2*32 + 6)
#define MBIMX51_LED2 (2*32 + 7)
#define MBIMX51_LED3 (2*32 + 8)
static struct gpio_led mbimx51_leds[] = {
{
.name = "led0",
.default_trigger = "heartbeat",
.active_low = 1,
.gpio = MBIMX51_LED0,
},
{
.name = "led1",
.default_trigger = "nand-disk",
.active_low = 1,
.gpio = MBIMX51_LED1,
},
{
.name = "led2",
.default_trigger = "mmc0",
.active_low = 1,
.gpio = MBIMX51_LED2,
},
{
.name = "led3",
.default_trigger = "default-on",
.active_low = 1,
.gpio = MBIMX51_LED3,
},
};
static struct gpio_led_platform_data mbimx51_leds_info = {
.leds = mbimx51_leds,
.num_leds = ARRAY_SIZE(mbimx51_leds),
};
static struct platform_device mbimx51_leds_gpio = {
.name = "leds-gpio",
.id = -1,
.dev = {
.platform_data = &mbimx51_leds_info,
},
};
static struct platform_device *devices[] __initdata = {
&mbimx51_leds_gpio,
};
static struct pad_desc mbimx51_pads[] = {
/* UART2 */
MX51_PAD_UART2_RXD__UART2_RXD,
MX51_PAD_UART2_TXD__UART2_TXD,
/* UART3 */
MX51_PAD_UART3_RXD__UART3_RXD,
MX51_PAD_UART3_TXD__UART3_TXD,
MX51_PAD_KEY_COL4__UART3_RTS,
MX51_PAD_KEY_COL5__UART3_CTS,
/* TSC2007 IRQ */
MX51_PAD_NANDF_D10__GPIO_3_30,
/* LEDS */
MX51_PAD_DISPB2_SER_DIN__GPIO_3_5,
MX51_PAD_DISPB2_SER_DIO__GPIO_3_6,
MX51_PAD_DISPB2_SER_CLK__GPIO_3_7,
MX51_PAD_DISPB2_SER_RS__GPIO_3_8,
/* KPP */
MX51_PAD_KEY_ROW0__KEY_ROW0,
MX51_PAD_KEY_ROW1__KEY_ROW1,
MX51_PAD_KEY_ROW2__KEY_ROW2,
MX51_PAD_KEY_ROW3__KEY_ROW3,
MX51_PAD_KEY_COL0__KEY_COL0,
MX51_PAD_KEY_COL1__KEY_COL1,
MX51_PAD_KEY_COL2__KEY_COL2,
MX51_PAD_KEY_COL3__KEY_COL3,
};
static struct imxuart_platform_data uart_pdata = {
.flags = IMXUART_HAVE_RTSCTS,
};
static int mbimx51_keymap[] = {
KEY(0, 0, KEY_1),
KEY(0, 1, KEY_2),
KEY(0, 2, KEY_3),
KEY(0, 3, KEY_UP),
KEY(1, 0, KEY_4),
KEY(1, 1, KEY_5),
KEY(1, 2, KEY_6),
KEY(1, 3, KEY_LEFT),
KEY(2, 0, KEY_7),
KEY(2, 1, KEY_8),
KEY(2, 2, KEY_9),
KEY(2, 3, KEY_RIGHT),
KEY(3, 0, KEY_0),
KEY(3, 1, KEY_DOWN),
KEY(3, 2, KEY_ESC),
KEY(3, 3, KEY_ENTER),
};
static struct matrix_keymap_data mbimx51_map_data = {
.keymap = mbimx51_keymap,
.keymap_size = ARRAY_SIZE(mbimx51_keymap),
};
static int tsc2007_get_pendown_state(void)
{
return !gpio_get_value(MBIMX51_TSC2007_GPIO);
}
struct tsc2007_platform_data tsc2007_data = {
.model = 2007,
.x_plate_ohms = 180,
.get_pendown_state = tsc2007_get_pendown_state,
};
static struct i2c_board_info mbimx51_i2c_devices[] = {
{
I2C_BOARD_INFO("tsc2007", 0x48),
.irq = MBIMX51_TSC2007_IRQ,
.platform_data = &tsc2007_data,
},
};
/*
* baseboard initialization.
*/
void __init eukrea_mbimx51_baseboard_init(void)
{
mxc_iomux_v3_setup_multiple_pads(mbimx51_pads,
ARRAY_SIZE(mbimx51_pads));
mxc_register_device(&mxc_uart_device1, NULL);
mxc_register_device(&mxc_uart_device2, &uart_pdata);
gpio_request(MBIMX51_LED0, "LED0");
gpio_direction_output(MBIMX51_LED0, 1);
gpio_free(MBIMX51_LED0);
gpio_request(MBIMX51_LED1, "LED1");
gpio_direction_output(MBIMX51_LED1, 1);
gpio_free(MBIMX51_LED1);
gpio_request(MBIMX51_LED2, "LED2");
gpio_direction_output(MBIMX51_LED2, 1);
gpio_free(MBIMX51_LED2);
gpio_request(MBIMX51_LED3, "LED3");
gpio_direction_output(MBIMX51_LED3, 1);
gpio_free(MBIMX51_LED3);
platform_add_devices(devices, ARRAY_SIZE(devices));
mxc_register_device(&mxc_keypad_device, &mbimx51_map_data);
gpio_request(MBIMX51_TSC2007_GPIO, "tsc2007_irq");
gpio_direction_input(MBIMX51_TSC2007_GPIO);
set_irq_type(MBIMX51_TSC2007_IRQ, IRQF_TRIGGER_FALLING);
i2c_register_board_info(1, mbimx51_i2c_devices,
ARRAY_SIZE(mbimx51_i2c_devices));
}
......@@ -28,17 +28,19 @@
* 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()
* or eukrea_cpuimx35_init().
* eukrea_cpuimx35_init() or eukrea_cpuimx51_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
*/
extern void eukrea_mbimx25_baseboard_init(void);
extern void eukrea_mbimx27_baseboard_init(void);
extern void eukrea_mbimx35_baseboard_init(void);
extern void eukrea_mbimx51_baseboard_init(void);
#endif
......
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