[deliverable/linux.git] / arch / arm / mach-omap2 / board-cm-t3517.c

/*
 * linux/arch/arm/mach-omap2/board-cm-t3517.c
 *
 * Support for the CompuLab CM-T3517 modules
 *
 * Copyright (C) 2010 CompuLab, Ltd.
 * Author: Igor Grinberg <grinberg@compulab.co.il>
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * version 2 as published by the Free Software Foundation.
 *
 * 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 St, Fifth Floor, Boston, MA
 * 02110-1301 USA
 *
 */

#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/delay.h>
#include <linux/gpio.h>
#include <linux/leds.h>
#include <linux/rtc-v3020.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/nand.h>
#include <linux/mtd/partitions.h>
#include <linux/can/platform/ti_hecc.h>

#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>

#include <plat/board.h>
#include <plat/common.h>
#include <plat/usb.h>
#include <plat/nand.h>
#include <plat/gpmc.h>

#include <mach/am35xx.h>

#include "mux.h"
#include "control.h"

#if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
static struct gpio_led cm_t3517_leds[] = {
	[0] = {
		.gpio			= 186,
		.name			= "cm-t3517:green",
		.default_trigger	= "heartbeat",
		.active_low		= 0,
	},
};

static struct gpio_led_platform_data cm_t3517_led_pdata = {
	.num_leds	= ARRAY_SIZE(cm_t3517_leds),
	.leds		= cm_t3517_leds,
};

static struct platform_device cm_t3517_led_device = {
	.name		= "leds-gpio",
	.id		= -1,
	.dev		= {
		.platform_data	= &cm_t3517_led_pdata,
	},
};

static void __init cm_t3517_init_leds(void)
{
	platform_device_register(&cm_t3517_led_device);
}
#else
static inline void cm_t3517_init_leds(void) {}
#endif

#if defined(CONFIG_CAN_TI_HECC) || defined(CONFIG_CAN_TI_HECC_MODULE)
static struct resource cm_t3517_hecc_resources[] = {
	{
		.start	= AM35XX_IPSS_HECC_BASE,
		.end	= AM35XX_IPSS_HECC_BASE + SZ_16K - 1,
		.flags	= IORESOURCE_MEM,
	},
	{
		.start	= INT_35XX_HECC0_IRQ,
		.end	= INT_35XX_HECC0_IRQ,
		.flags	= IORESOURCE_IRQ,
	},
};

static struct ti_hecc_platform_data cm_t3517_hecc_pdata = {
	.scc_hecc_offset	= AM35XX_HECC_SCC_HECC_OFFSET,
	.scc_ram_offset		= AM35XX_HECC_SCC_RAM_OFFSET,
	.hecc_ram_offset	= AM35XX_HECC_RAM_OFFSET,
	.mbx_offset		= AM35XX_HECC_MBOX_OFFSET,
	.int_line		= AM35XX_HECC_INT_LINE,
	.version		= AM35XX_HECC_VERSION,
};

static struct platform_device cm_t3517_hecc_device = {
	.name		= "ti_hecc",
	.id		= 1,
	.num_resources	= ARRAY_SIZE(cm_t3517_hecc_resources),
	.resource	= cm_t3517_hecc_resources,
	.dev		= {
		.platform_data	= &cm_t3517_hecc_pdata,
	},
};

static void cm_t3517_init_hecc(void)
{
	platform_device_register(&cm_t3517_hecc_device);
}
#else
static inline void cm_t3517_init_hecc(void) {}
#endif

#if defined(CONFIG_RTC_DRV_V3020) || defined(CONFIG_RTC_DRV_V3020_MODULE)
#define RTC_IO_GPIO		(153)
#define RTC_WR_GPIO		(154)
#define RTC_RD_GPIO		(160)
#define RTC_CS_GPIO		(163)

struct v3020_platform_data cm_t3517_v3020_pdata = {
	.use_gpio	= 1,
	.gpio_cs	= RTC_CS_GPIO,
	.gpio_wr	= RTC_WR_GPIO,
	.gpio_rd	= RTC_RD_GPIO,
	.gpio_io	= RTC_IO_GPIO,
};

static struct platform_device cm_t3517_rtc_device = {
	.name		= "v3020",
	.id		= -1,
	.dev		= {
		.platform_data = &cm_t3517_v3020_pdata,
	}
};

static void __init cm_t3517_init_rtc(void)
{
	platform_device_register(&cm_t3517_rtc_device);
}
#else
static inline void cm_t3517_init_rtc(void) {}
#endif

#if defined(CONFIG_USB_EHCI_HCD) || defined(CONFIG_USB_EHCI_HCD_MODULE)
#define HSUSB1_RESET_GPIO	(146)
#define HSUSB2_RESET_GPIO	(147)
#define USB_HUB_RESET_GPIO	(152)

static struct ehci_hcd_omap_platform_data cm_t3517_ehci_pdata __initdata = {
	.port_mode[0] = EHCI_HCD_OMAP_MODE_PHY,
	.port_mode[1] = EHCI_HCD_OMAP_MODE_PHY,
	.port_mode[2] = EHCI_HCD_OMAP_MODE_UNKNOWN,

	.phy_reset  = true,
	.reset_gpio_port[0]  = HSUSB1_RESET_GPIO,
	.reset_gpio_port[1]  = HSUSB2_RESET_GPIO,
	.reset_gpio_port[2]  = -EINVAL,
};

static int cm_t3517_init_usbh(void)
{
	int err;

	err = gpio_request(USB_HUB_RESET_GPIO, "usb hub rst");
	if (err) {
		pr_err("CM-T3517: usb hub rst gpio request failed: %d\n", err);
	} else {
		gpio_direction_output(USB_HUB_RESET_GPIO, 0);
		udelay(10);
		gpio_set_value(USB_HUB_RESET_GPIO, 1);
		msleep(1);
	}

	usb_ehci_init(&cm_t3517_ehci_pdata);

	return 0;
}
#else
static inline int cm_t3517_init_usbh(void)
{
	return 0;
}
#endif

#if defined(CONFIG_MTD_NAND_OMAP2) || defined(CONFIG_MTD_NAND_OMAP2_MODULE)
#define NAND_BLOCK_SIZE		SZ_128K

static struct mtd_partition cm_t3517_nand_partitions[] = {
	{
		.name           = "xloader",
		.offset         = 0,			/* Offset = 0x00000 */
		.size           = 4 * NAND_BLOCK_SIZE,
		.mask_flags     = MTD_WRITEABLE
	},
	{
		.name           = "uboot",
		.offset         = MTDPART_OFS_APPEND,	/* Offset = 0x80000 */
		.size           = 15 * NAND_BLOCK_SIZE,
	},
	{
		.name           = "uboot environment",
		.offset         = MTDPART_OFS_APPEND,	/* Offset = 0x260000 */
		.size           = 2 * NAND_BLOCK_SIZE,
	},
	{
		.name           = "linux",
		.offset         = MTDPART_OFS_APPEND,	/* Offset = 0x280000 */
		.size           = 32 * NAND_BLOCK_SIZE,
	},
	{
		.name           = "rootfs",
		.offset         = MTDPART_OFS_APPEND,	/* Offset = 0x680000 */
		.size           = MTDPART_SIZ_FULL,
	},
};

static struct omap_nand_platform_data cm_t3517_nand_data = {
	.parts			= cm_t3517_nand_partitions,
	.nr_parts		= ARRAY_SIZE(cm_t3517_nand_partitions),
	.dma_channel		= -1,	/* disable DMA in OMAP NAND driver */
	.cs			= 0,
};

static void __init cm_t3517_init_nand(void)
{
	if (gpmc_nand_init(&cm_t3517_nand_data) < 0)
		pr_err("CM-T3517: NAND initialization failed\n");
}
#else
static inline void cm_t3517_init_nand(void) {}
#endif

static struct omap_board_config_kernel cm_t3517_config[] __initdata = {
};

static void __init cm_t3517_init_irq(void)
{
	omap_board_config = cm_t3517_config;
	omap_board_config_size = ARRAY_SIZE(cm_t3517_config);

	omap2_init_common_infrastructure();
	omap2_init_common_devices(NULL, NULL);
	omap_init_irq();
}

static struct omap_board_mux board_mux[] __initdata = {
	/* GPIO186 - Green LED */
	OMAP3_MUX(SYS_CLKOUT2, OMAP_MUX_MODE4 | OMAP_PIN_OUTPUT),
	/* RTC GPIOs: IO, WR#, RD#, CS# */
	OMAP3_MUX(MCBSP4_DR, OMAP_MUX_MODE4 | OMAP_PIN_INPUT),
	OMAP3_MUX(MCBSP4_DX, OMAP_MUX_MODE4 | OMAP_PIN_INPUT),
	OMAP3_MUX(MCBSP_CLKS, OMAP_MUX_MODE4 | OMAP_PIN_INPUT),
	OMAP3_MUX(UART3_CTS_RCTX, OMAP_MUX_MODE4 | OMAP_PIN_INPUT),
	/* HSUSB1 RESET */
	OMAP3_MUX(UART2_TX, OMAP_MUX_MODE4 | OMAP_PIN_OUTPUT),
	/* HSUSB2 RESET */
	OMAP3_MUX(UART2_RX, OMAP_MUX_MODE4 | OMAP_PIN_OUTPUT),
	/* CM-T3517 USB HUB nRESET */
	OMAP3_MUX(MCBSP4_CLKX, OMAP_MUX_MODE4 | OMAP_PIN_OUTPUT),

	{ .reg_offset = OMAP_MUX_TERMINATOR },
};

static void __init cm_t3517_init(void)
{
	omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
	omap_serial_init();
	cm_t3517_init_leds();
	cm_t3517_init_nand();
	cm_t3517_init_rtc();
	cm_t3517_init_usbh();
	cm_t3517_init_hecc();
}

MACHINE_START(CM_T3517, "Compulab CM-T3517")
	.boot_params	= 0x80000100,
	.map_io		= omap3_map_io,
	.reserve        = omap_reserve,
	.init_irq	= cm_t3517_init_irq,
	.init_machine	= cm_t3517_init,
	.timer		= &omap_timer,
MACHINE_END
Commit	Line	Data
d04b620e IG	1	/*
	2	* linux/arch/arm/mach-omap2/board-cm-t3517.c
	3	*
	4	* Support for the CompuLab CM-T3517 modules
	5	*
	6	* Copyright (C) 2010 CompuLab, Ltd.
	7	* Author: Igor Grinberg <grinberg@compulab.co.il>
	8	*
	9	* This program is free software; you can redistribute it and/or
	10	* modify it under the terms of the GNU General Public License
	11	* version 2 as published by the Free Software Foundation.
	12	*
	13	* This program is distributed in the hope that it will be useful, but
	14	* WITHOUT ANY WARRANTY; without even the implied warranty of
	15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	16	* General Public License for more details.
	17	*
	18	* You should have received a copy of the GNU General Public License
	19	* along with this program; if not, write to the Free Software
	20	* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
	21	* 02110-1301 USA
	22	*
	23	*/
	24
	25	#include <linux/kernel.h>
	26	#include <linux/init.h>
	27	#include <linux/platform_device.h>
525d75b3	28	#include <linux/delay.h>
d04b620e IG	29	#include <linux/gpio.h>
d04b620e IG	30	#include <linux/leds.h>
46893a56	31	#include <linux/rtc-v3020.h>
ec34fccd IG	32	#include <linux/mtd/mtd.h>
	33	#include <linux/mtd/nand.h>
	34	#include <linux/mtd/partitions.h>
b6a26b4b	35	#include <linux/can/platform/ti_hecc.h>
d04b620e IG	36
	37	#include <asm/mach-types.h>
	38	#include <asm/mach/arch.h>
	39	#include <asm/mach/map.h>
	40
	41	#include <plat/board.h>
	42	#include <plat/common.h>
525d75b3	43	#include <plat/usb.h>
ec34fccd IG	44	#include <plat/nand.h>
ec34fccd IG	45	#include <plat/gpmc.h>
d04b620e	46
b6a26b4b IG	47	#include <mach/am35xx.h>
b6a26b4b IG	48
d04b620e	49	#include "mux.h"
4814ced5	50	#include "control.h"
d04b620e IG	51
	52	#if defined(CONFIG_LEDS_GPIO) \|\| defined(CONFIG_LEDS_GPIO_MODULE)
	53	static struct gpio_led cm_t3517_leds[] = {
	54	[0] = {
	55	.gpio = 186,
	56	.name = "cm-t3517:green",
	57	.default_trigger = "heartbeat",
	58	.active_low = 0,
	59	},
	60	};
	61
	62	static struct gpio_led_platform_data cm_t3517_led_pdata = {
	63	.num_leds = ARRAY_SIZE(cm_t3517_leds),
	64	.leds = cm_t3517_leds,
	65	};
	66
	67	static struct platform_device cm_t3517_led_device = {
	68	.name = "leds-gpio",
	69	.id = -1,
	70	.dev = {
	71	.platform_data = &cm_t3517_led_pdata,
	72	},
	73	};
	74
	75	static void __init cm_t3517_init_leds(void)
	76	{
	77	platform_device_register(&cm_t3517_led_device);
	78	}
	79	#else
	80	static inline void cm_t3517_init_leds(void) {}
	81	#endif
	82
b6a26b4b IG	83	#if defined(CONFIG_CAN_TI_HECC) \|\| defined(CONFIG_CAN_TI_HECC_MODULE)
	84	static struct resource cm_t3517_hecc_resources[] = {
	85	{
	86	.start = AM35XX_IPSS_HECC_BASE,
	87	.end = AM35XX_IPSS_HECC_BASE + SZ_16K - 1,
	88	.flags = IORESOURCE_MEM,
	89	},
	90	{
	91	.start = INT_35XX_HECC0_IRQ,
	92	.end = INT_35XX_HECC0_IRQ,
	93	.flags = IORESOURCE_IRQ,
	94	},
	95	};
	96
	97	static struct ti_hecc_platform_data cm_t3517_hecc_pdata = {
	98	.scc_hecc_offset = AM35XX_HECC_SCC_HECC_OFFSET,
	99	.scc_ram_offset = AM35XX_HECC_SCC_RAM_OFFSET,
	100	.hecc_ram_offset = AM35XX_HECC_RAM_OFFSET,
	101	.mbx_offset = AM35XX_HECC_MBOX_OFFSET,
	102	.int_line = AM35XX_HECC_INT_LINE,
	103	.version = AM35XX_HECC_VERSION,
	104	};
	105
	106	static struct platform_device cm_t3517_hecc_device = {
	107	.name = "ti_hecc",
	108	.id = 1,
	109	.num_resources = ARRAY_SIZE(cm_t3517_hecc_resources),
	110	.resource = cm_t3517_hecc_resources,
	111	.dev = {
	112	.platform_data = &cm_t3517_hecc_pdata,
	113	},
	114	};
	115
	116	static void cm_t3517_init_hecc(void)
	117	{
	118	platform_device_register(&cm_t3517_hecc_device);
	119	}
	120	#else
	121	static inline void cm_t3517_init_hecc(void) {}
	122	#endif
	123
46893a56 IG	124	#if defined(CONFIG_RTC_DRV_V3020) \|\| defined(CONFIG_RTC_DRV_V3020_MODULE)
	125	#define RTC_IO_GPIO (153)
	126	#define RTC_WR_GPIO (154)
	127	#define RTC_RD_GPIO (160)
	128	#define RTC_CS_GPIO (163)
	129
	130	struct v3020_platform_data cm_t3517_v3020_pdata = {
	131	.use_gpio = 1,
	132	.gpio_cs = RTC_CS_GPIO,
	133	.gpio_wr = RTC_WR_GPIO,
	134	.gpio_rd = RTC_RD_GPIO,
	135	.gpio_io = RTC_IO_GPIO,
	136	};
	137
	138	static struct platform_device cm_t3517_rtc_device = {
	139	.name = "v3020",
	140	.id = -1,
	141	.dev = {
	142	.platform_data = &cm_t3517_v3020_pdata,
	143	}
	144	};
	145
	146	static void __init cm_t3517_init_rtc(void)
	147	{
	148	platform_device_register(&cm_t3517_rtc_device);
	149	}
	150	#else
	151	static inline void cm_t3517_init_rtc(void) {}
	152	#endif
d04b620e	153
525d75b3 IG	154	#if defined(CONFIG_USB_EHCI_HCD) \|\| defined(CONFIG_USB_EHCI_HCD_MODULE)
	155	#define HSUSB1_RESET_GPIO (146)
	156	#define HSUSB2_RESET_GPIO (147)
	157	#define USB_HUB_RESET_GPIO (152)
	158
	159	static struct ehci_hcd_omap_platform_data cm_t3517_ehci_pdata __initdata = {
	160	.port_mode[0] = EHCI_HCD_OMAP_MODE_PHY,
	161	.port_mode[1] = EHCI_HCD_OMAP_MODE_PHY,
	162	.port_mode[2] = EHCI_HCD_OMAP_MODE_UNKNOWN,
	163
	164	.phy_reset = true,
	165	.reset_gpio_port[0] = HSUSB1_RESET_GPIO,
	166	.reset_gpio_port[1] = HSUSB2_RESET_GPIO,
	167	.reset_gpio_port[2] = -EINVAL,
	168	};
	169
	170	static int cm_t3517_init_usbh(void)
	171	{
	172	int err;
	173
	174	err = gpio_request(USB_HUB_RESET_GPIO, "usb hub rst");
	175	if (err) {
	176	pr_err("CM-T3517: usb hub rst gpio request failed: %d\n", err);
	177	} else {
	178	gpio_direction_output(USB_HUB_RESET_GPIO, 0);
	179	udelay(10);
	180	gpio_set_value(USB_HUB_RESET_GPIO, 1);
	181	msleep(1);
	182	}
	183
	184	usb_ehci_init(&cm_t3517_ehci_pdata);
	185
	186	return 0;
	187	}
	188	#else
	189	static inline int cm_t3517_init_usbh(void)
	190	{
	191	return 0;
	192	}
	193	#endif
	194
ec34fccd IG	195	#if defined(CONFIG_MTD_NAND_OMAP2) \|\| defined(CONFIG_MTD_NAND_OMAP2_MODULE)
	196	#define NAND_BLOCK_SIZE SZ_128K
	197
	198	static struct mtd_partition cm_t3517_nand_partitions[] = {
	199	{
	200	.name = "xloader",
	201	.offset = 0, /* Offset = 0x00000 */
	202	.size = 4 * NAND_BLOCK_SIZE,
	203	.mask_flags = MTD_WRITEABLE
	204	},
	205	{
	206	.name = "uboot",
	207	.offset = MTDPART_OFS_APPEND, /* Offset = 0x80000 */
	208	.size = 15 * NAND_BLOCK_SIZE,
	209	},
	210	{
	211	.name = "uboot environment",
	212	.offset = MTDPART_OFS_APPEND, /* Offset = 0x260000 */
	213	.size = 2 * NAND_BLOCK_SIZE,
	214	},
	215	{
	216	.name = "linux",
	217	.offset = MTDPART_OFS_APPEND, /* Offset = 0x280000 */
	218	.size = 32 * NAND_BLOCK_SIZE,
	219	},
	220	{
	221	.name = "rootfs",
	222	.offset = MTDPART_OFS_APPEND, /* Offset = 0x680000 */
	223	.size = MTDPART_SIZ_FULL,
	224	},
	225	};
	226
	227	static struct omap_nand_platform_data cm_t3517_nand_data = {
	228	.parts = cm_t3517_nand_partitions,
	229	.nr_parts = ARRAY_SIZE(cm_t3517_nand_partitions),
	230	.dma_channel = -1, /* disable DMA in OMAP NAND driver */
	231	.cs = 0,
	232	};
	233
	234	static void __init cm_t3517_init_nand(void)
	235	{
	236	if (gpmc_nand_init(&cm_t3517_nand_data) < 0)
	237	pr_err("CM-T3517: NAND initialization failed\n");
	238	}
	239	#else
	240	static inline void cm_t3517_init_nand(void) {}
	241	#endif
	242
d04b620e IG	243	static struct omap_board_config_kernel cm_t3517_config[] __initdata = {
	244	};
	245
	246	static void __init cm_t3517_init_irq(void)
	247	{
	248	omap_board_config = cm_t3517_config;
	249	omap_board_config_size = ARRAY_SIZE(cm_t3517_config);
	250
4805734b PW	251	omap2_init_common_infrastructure();
4805734b PW	252	omap2_init_common_devices(NULL, NULL);
d04b620e	253	omap_init_irq();
d04b620e IG	254	}
	255
	256	static struct omap_board_mux board_mux[] __initdata = {
	257	/* GPIO186 - Green LED */
	258	OMAP3_MUX(SYS_CLKOUT2, OMAP_MUX_MODE4 \| OMAP_PIN_OUTPUT),
46893a56 IG	259	/* RTC GPIOs: IO, WR#, RD#, CS# */
	260	OMAP3_MUX(MCBSP4_DR, OMAP_MUX_MODE4 \| OMAP_PIN_INPUT),
	261	OMAP3_MUX(MCBSP4_DX, OMAP_MUX_MODE4 \| OMAP_PIN_INPUT),
	262	OMAP3_MUX(MCBSP_CLKS, OMAP_MUX_MODE4 \| OMAP_PIN_INPUT),
	263	OMAP3_MUX(UART3_CTS_RCTX, OMAP_MUX_MODE4 \| OMAP_PIN_INPUT),
525d75b3 IG	264	/* HSUSB1 RESET */
	265	OMAP3_MUX(UART2_TX, OMAP_MUX_MODE4 \| OMAP_PIN_OUTPUT),
	266	/* HSUSB2 RESET */
	267	OMAP3_MUX(UART2_RX, OMAP_MUX_MODE4 \| OMAP_PIN_OUTPUT),
	268	/* CM-T3517 USB HUB nRESET */
	269	OMAP3_MUX(MCBSP4_CLKX, OMAP_MUX_MODE4 \| OMAP_PIN_OUTPUT),
d04b620e IG	270
	271	{ .reg_offset = OMAP_MUX_TERMINATOR },
	272	};
	273
	274	static void __init cm_t3517_init(void)
	275	{
	276	omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
	277	omap_serial_init();
	278	cm_t3517_init_leds();
ec34fccd	279	cm_t3517_init_nand();
46893a56	280	cm_t3517_init_rtc();
525d75b3	281	cm_t3517_init_usbh();
b6a26b4b	282	cm_t3517_init_hecc();
d04b620e IG	283	}
	284
	285	MACHINE_START(CM_T3517, "Compulab CM-T3517")
d04b620e IG	286	.boot_params = 0x80000100,
	287	.map_io = omap3_map_io,
	288	.reserve = omap_reserve,
	289	.init_irq = cm_t3517_init_irq,
	290	.init_machine = cm_t3517_init,
	291	.timer = &omap_timer,
	292	MACHINE_END