[deliverable/linux.git] / arch / arm / mach-msm / board-msm7x30.c

/* Copyright (c) 2009-2010, Code Aurora Forum. All rights reserved.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 and
 * only 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 Street, Fifth Floor, Boston, MA
 * 02110-1301, USA.
 */
#include <linux/gpio.h>
#include <linux/kernel.h>
#include <linux/irq.h>
#include <linux/platform_device.h>
#include <linux/delay.h>
#include <linux/io.h>
#include <linux/smsc911x.h>
#include <linux/usb/msm_hsusb.h>
#include <linux/clkdev.h>
#include <linux/memblock.h>

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

#include <mach/clk.h>
#include <mach/msm_iomap.h>
#include <mach/dma.h>

#include <mach/vreg.h>
#include "devices.h"
#include "gpiomux.h"
#include "proc_comm.h"
#include "common.h"

static void __init msm7x30_fixup(struct tag *tag, char **cmdline)
{
	for (; tag->hdr.size; tag = tag_next(tag))
		if (tag->hdr.tag == ATAG_MEM && tag->u.mem.start == 0x200000) {
			tag->u.mem.start = 0;
			tag->u.mem.size += SZ_2M;
		}
}

static void __init msm7x30_reserve(void)
{
	memblock_remove(0x0, SZ_2M);
}

static int hsusb_phy_init_seq[] = {
	0x30, 0x32,	/* Enable and set Pre-Emphasis Depth to 20% */
	0x02, 0x36,	/* Disable CDR Auto Reset feature */
	-1
};

static int hsusb_link_clk_reset(struct clk *link_clk, bool assert)
{
	int ret;

	if (assert) {
		ret = clk_reset(link_clk, CLK_RESET_ASSERT);
		if (ret)
			pr_err("usb hs_clk assert failed\n");
	} else {
		ret = clk_reset(link_clk, CLK_RESET_DEASSERT);
		if (ret)
			pr_err("usb hs_clk deassert failed\n");
	}
	return ret;
}

static int hsusb_phy_clk_reset(struct clk *phy_clk)
{
	int ret;

	ret = clk_reset(phy_clk, CLK_RESET_ASSERT);
	if (ret) {
		pr_err("usb phy clk assert failed\n");
		return ret;
	}
	usleep_range(10000, 12000);
	ret = clk_reset(phy_clk, CLK_RESET_DEASSERT);
	if (ret)
		pr_err("usb phy clk deassert failed\n");
	return ret;
}

static struct msm_otg_platform_data msm_otg_pdata = {
	.phy_init_seq		= hsusb_phy_init_seq,
	.mode                   = USB_DR_MODE_PERIPHERAL,
	.otg_control		= OTG_PHY_CONTROL,
	.link_clk_reset		= hsusb_link_clk_reset,
	.phy_clk_reset		= hsusb_phy_clk_reset,
};

struct msm_gpiomux_config msm_gpiomux_configs[GPIOMUX_NGPIOS] = {
#ifdef CONFIG_SERIAL_MSM_CONSOLE
	[49] = { /* UART2 RFR */
		.suspended = GPIOMUX_DRV_2MA | GPIOMUX_PULL_DOWN |
			     GPIOMUX_FUNC_2 | GPIOMUX_VALID,
	},
	[50] = { /* UART2 CTS */
		.suspended = GPIOMUX_DRV_2MA | GPIOMUX_PULL_DOWN |
			     GPIOMUX_FUNC_2 | GPIOMUX_VALID,
	},
	[51] = { /* UART2 RX */
		.suspended = GPIOMUX_DRV_2MA | GPIOMUX_PULL_DOWN |
			     GPIOMUX_FUNC_2 | GPIOMUX_VALID,
	},
	[52] = { /* UART2 TX */
		.suspended = GPIOMUX_DRV_2MA | GPIOMUX_PULL_DOWN |
			     GPIOMUX_FUNC_2 | GPIOMUX_VALID,
	},
#endif
};

static struct platform_device *devices[] __initdata = {
	&msm_clock_7x30,
	&msm_device_gpio_7x30,
#if defined(CONFIG_SERIAL_MSM) || defined(CONFIG_MSM_SERIAL_DEBUGGER)
        &msm_device_uart2,
#endif
	&msm_device_smd,
	&msm_device_otg,
	&msm_device_hsusb,
	&msm_device_hsusb_host,
};

static void __init msm7x30_init_irq(void)
{
	msm_init_irq();
}

static void __init msm7x30_init(void)
{
	msm_device_otg.dev.platform_data = &msm_otg_pdata;
	msm_device_hsusb.dev.parent = &msm_device_otg.dev;
	msm_device_hsusb_host.dev.parent = &msm_device_otg.dev;

	platform_add_devices(devices, ARRAY_SIZE(devices));
}

static void __init msm7x30_map_io(void)
{
	msm_map_msm7x30_io();
}

static void __init msm7x30_init_late(void)
{
	smd_debugfs_init();
}

MACHINE_START(MSM7X30_SURF, "QCT MSM7X30 SURF")
	.atag_offset = 0x100,
	.fixup = msm7x30_fixup,
	.reserve = msm7x30_reserve,
	.map_io = msm7x30_map_io,
	.init_irq = msm7x30_init_irq,
	.init_machine = msm7x30_init,
	.init_late = msm7x30_init_late,
	.init_time	= msm7x30_timer_init,
MACHINE_END

MACHINE_START(MSM7X30_FFA, "QCT MSM7X30 FFA")
	.atag_offset = 0x100,
	.fixup = msm7x30_fixup,
	.reserve = msm7x30_reserve,
	.map_io = msm7x30_map_io,
	.init_irq = msm7x30_init_irq,
	.init_machine = msm7x30_init,
	.init_late = msm7x30_init_late,
	.init_time	= msm7x30_timer_init,
MACHINE_END

MACHINE_START(MSM7X30_FLUID, "QCT MSM7X30 FLUID")
	.atag_offset = 0x100,
	.fixup = msm7x30_fixup,
	.reserve = msm7x30_reserve,
	.map_io = msm7x30_map_io,
	.init_irq = msm7x30_init_irq,
	.init_machine = msm7x30_init,
	.init_late = msm7x30_init_late,
	.init_time	= msm7x30_timer_init,
MACHINE_END
Commit	Line	Data
8d747cdb DW	1	/* Copyright (c) 2009-2010, Code Aurora Forum. All rights reserved.
	2	*
	3	* This program is free software; you can redistribute it and/or modify
	4	* it under the terms of the GNU General Public License version 2 and
	5	* only version 2 as published by the Free Software Foundation.
	6	*
	7	* This program is distributed in the hope that it will be useful,
	8	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	9	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	10	* GNU General Public License for more details.
	11	*
	12	* You should have received a copy of the GNU General Public License
	13	* along with this program; if not, write to the Free Software
	14	* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
	15	* 02110-1301, USA.
	16	*/
2f8163ba	17	#include <linux/gpio.h>
8d747cdb DW	18	#include <linux/kernel.h>
8d747cdb DW	19	#include <linux/irq.h>
8d747cdb DW	20	#include <linux/platform_device.h>
8d747cdb DW	21	#include <linux/delay.h>
8d747cdb DW	22	#include <linux/io.h>
8d747cdb DW	23	#include <linux/smsc911x.h>
5155e2c7	24	#include <linux/usb/msm_hsusb.h>
bd32344a	25	#include <linux/clkdev.h>
9e775ad1	26	#include <linux/memblock.h>
8d747cdb DW	27
	28	#include <asm/mach-types.h>
	29	#include <asm/mach/arch.h>
f4117ac9	30	#include <asm/memory.h>
8d747cdb DW	31	#include <asm/setup.h>
8d747cdb DW	32
5146d771	33	#include <mach/clk.h>
8d747cdb	34	#include <mach/msm_iomap.h>
8d747cdb DW	35	#include <mach/dma.h>
	36
	37	#include <mach/vreg.h>
8d747cdb	38	#include "devices.h"
ba5499eb	39	#include "gpiomux.h"
90e37c57	40	#include "proc_comm.h"
4312a7ef	41	#include "common.h"
8d747cdb	42
1c2f87c2	43	static void __init msm7x30_fixup(struct tag tag, char *cmdline)
9e775ad1 SB	44	{
	45	for (; tag->hdr.size; tag = tag_next(tag))
	46	if (tag->hdr.tag == ATAG_MEM && tag->u.mem.start == 0x200000) {
	47	tag->u.mem.start = 0;
	48	tag->u.mem.size += SZ_2M;
	49	}
	50	}
	51
	52	static void __init msm7x30_reserve(void)
	53	{
	54	memblock_remove(0x0, SZ_2M);
	55	}
	56
5155e2c7 PK	57	static int hsusb_phy_init_seq[] = {
	58	0x30, 0x32, /* Enable and set Pre-Emphasis Depth to 20% */
	59	0x02, 0x36, /* Disable CDR Auto Reset feature */
	60	-1
	61	};
	62
5146d771 II	63	static int hsusb_link_clk_reset(struct clk *link_clk, bool assert)
	64	{
	65	int ret;
	66
	67	if (assert) {
	68	ret = clk_reset(link_clk, CLK_RESET_ASSERT);
	69	if (ret)
	70	pr_err("usb hs_clk assert failed\n");
	71	} else {
	72	ret = clk_reset(link_clk, CLK_RESET_DEASSERT);
	73	if (ret)
	74	pr_err("usb hs_clk deassert failed\n");
	75	}
	76	return ret;
	77	}
	78
	79	static int hsusb_phy_clk_reset(struct clk *phy_clk)
	80	{
	81	int ret;
	82
	83	ret = clk_reset(phy_clk, CLK_RESET_ASSERT);
	84	if (ret) {
	85	pr_err("usb phy clk assert failed\n");
	86	return ret;
	87	}
	88	usleep_range(10000, 12000);
	89	ret = clk_reset(phy_clk, CLK_RESET_DEASSERT);
	90	if (ret)
	91	pr_err("usb phy clk deassert failed\n");
	92	return ret;
	93	}
	94
5155e2c7 PK	95	static struct msm_otg_platform_data msm_otg_pdata = {
5155e2c7 PK	96	.phy_init_seq = hsusb_phy_init_seq,
971232cf	97	.mode = USB_DR_MODE_PERIPHERAL,
5155e2c7	98	.otg_control = OTG_PHY_CONTROL,
5146d771 II	99	.link_clk_reset = hsusb_link_clk_reset,
5146d771 II	100	.phy_clk_reset = hsusb_phy_clk_reset,
5155e2c7 PK	101	};
5155e2c7 PK	102
ba5499eb DZ	103	struct msm_gpiomux_config msm_gpiomux_configs[GPIOMUX_NGPIOS] = {
	104	#ifdef CONFIG_SERIAL_MSM_CONSOLE
	105	[49] = { /* UART2 RFR */
	106	.suspended = GPIOMUX_DRV_2MA \| GPIOMUX_PULL_DOWN \|
	107	GPIOMUX_FUNC_2 \| GPIOMUX_VALID,
	108	},
	109	[50] = { /* UART2 CTS */
	110	.suspended = GPIOMUX_DRV_2MA \| GPIOMUX_PULL_DOWN \|
	111	GPIOMUX_FUNC_2 \| GPIOMUX_VALID,
	112	},
	113	[51] = { /* UART2 RX */
	114	.suspended = GPIOMUX_DRV_2MA \| GPIOMUX_PULL_DOWN \|
	115	GPIOMUX_FUNC_2 \| GPIOMUX_VALID,
	116	},
	117	[52] = { /* UART2 TX */
	118	.suspended = GPIOMUX_DRV_2MA \| GPIOMUX_PULL_DOWN \|
	119	GPIOMUX_FUNC_2 \| GPIOMUX_VALID,
	120	},
	121	#endif
	122	};
	123
8d747cdb	124	static struct platform_device *devices[] __initdata = {
421faca0	125	&msm_clock_7x30,
7bce696b	126	&msm_device_gpio_7x30,
90e37c57 DW	127	#if defined(CONFIG_SERIAL_MSM) \|\| defined(CONFIG_MSM_SERIAL_DEBUGGER)
	128	&msm_device_uart2,
	129	#endif
a8855e9c	130	&msm_device_smd,
5155e2c7 PK	131	&msm_device_otg,
	132	&msm_device_hsusb,
	133	&msm_device_hsusb_host,
8d747cdb DW	134	};
	135
	136	static void __init msm7x30_init_irq(void)
	137	{
	138	msm_init_irq();
	139	}
	140
8d747cdb DW	141	static void __init msm7x30_init(void)
8d747cdb DW	142	{
5155e2c7 PK	143	msm_device_otg.dev.platform_data = &msm_otg_pdata;
	144	msm_device_hsusb.dev.parent = &msm_device_otg.dev;
	145	msm_device_hsusb_host.dev.parent = &msm_device_otg.dev;
	146
8d747cdb	147	platform_add_devices(devices, ARRAY_SIZE(devices));
8d747cdb DW	148	}
	149
	150	static void __init msm7x30_map_io(void)
	151	{
8d747cdb	152	msm_map_msm7x30_io();
8d747cdb DW	153	}
8d747cdb DW	154
c633c531 SG	155	static void __init msm7x30_init_late(void)
	156	{
	157	smd_debugfs_init();
	158	}
	159
8d747cdb	160	MACHINE_START(MSM7X30_SURF, "QCT MSM7X30 SURF")
f631dd41	161	.atag_offset = 0x100,
9e775ad1 SB	162	.fixup = msm7x30_fixup,
9e775ad1 SB	163	.reserve = msm7x30_reserve,
8d747cdb DW	164	.map_io = msm7x30_map_io,
	165	.init_irq = msm7x30_init_irq,
	166	.init_machine = msm7x30_init,
c633c531	167	.init_late = msm7x30_init_late,
6bb27d73	168	.init_time = msm7x30_timer_init,
8d747cdb DW	169	MACHINE_END
	170
	171	MACHINE_START(MSM7X30_FFA, "QCT MSM7X30 FFA")
f631dd41	172	.atag_offset = 0x100,
9e775ad1 SB	173	.fixup = msm7x30_fixup,
9e775ad1 SB	174	.reserve = msm7x30_reserve,
8d747cdb DW	175	.map_io = msm7x30_map_io,
	176	.init_irq = msm7x30_init_irq,
	177	.init_machine = msm7x30_init,
c633c531	178	.init_late = msm7x30_init_late,
6bb27d73	179	.init_time = msm7x30_timer_init,
8d747cdb DW	180	MACHINE_END
	181
	182	MACHINE_START(MSM7X30_FLUID, "QCT MSM7X30 FLUID")
f631dd41	183	.atag_offset = 0x100,
9e775ad1 SB	184	.fixup = msm7x30_fixup,
9e775ad1 SB	185	.reserve = msm7x30_reserve,
8d747cdb DW	186	.map_io = msm7x30_map_io,
	187	.init_irq = msm7x30_init_irq,
	188	.init_machine = msm7x30_init,
c633c531	189	.init_late = msm7x30_init_late,
6bb27d73	190	.init_time = msm7x30_timer_init,
8d747cdb	191	MACHINE_END