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 ...@@ -21,4 +21,25 @@ config MACH_MX51_3DS
help help
Include support for MX51PDK (3DS) platform. This includes specific Include support for MX51PDK (3DS) platform. This includes specific
configurations for the board and its peripherals. 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 endif
...@@ -7,3 +7,5 @@ obj-y := cpu.o mm.o clock-mx51.o devices.o ...@@ -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_BABBAGE) += board-mx51_babbage.o
obj-$(CONFIG_MACH_MX51_3DS) += board-mx51_3ds.o obj-$(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 @@ ...@@ -28,17 +28,19 @@
* its own devices, it calls baseboard's init function. * its own devices, it calls baseboard's init function.
* TODO: Add your own baseboard init function and call it from * TODO: Add your own baseboard init function and call it from
* inside eukrea_cpuimx25_init() eukrea_cpuimx27_init() * 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 * This example here is for the development board. Refer
* mach-mx25/eukrea_mbimxsd-baseboard.c for cpuimx25 * mach-mx25/eukrea_mbimxsd-baseboard.c for cpuimx25
* mach-imx/eukrea_mbimx27-baseboard.c for cpuimx27 * mach-imx/eukrea_mbimx27-baseboard.c for cpuimx27
* mach-mx3/eukrea_mbimxsd-baseboard.c for cpuimx35 * 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_mbimx25_baseboard_init(void);
extern void eukrea_mbimx27_baseboard_init(void); extern void eukrea_mbimx27_baseboard_init(void);
extern void eukrea_mbimx35_baseboard_init(void); extern void eukrea_mbimx35_baseboard_init(void);
extern void eukrea_mbimx51_baseboard_init(void);
#endif #endif
......
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