[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,
		struct meminfo *mi)
{
	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_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
47a6770a SB	43	static void __init msm7x30_fixup(struct tag tag, char *cmdline,
47a6770a SB	44	struct meminfo *mi)
9e775ad1 SB	45	{
	46	for (; tag->hdr.size; tag = tag_next(tag))
	47	if (tag->hdr.tag == ATAG_MEM && tag->u.mem.start == 0x200000) {
	48	tag->u.mem.start = 0;
	49	tag->u.mem.size += SZ_2M;
	50	}
	51	}
	52
	53	static void __init msm7x30_reserve(void)
	54	{
	55	memblock_remove(0x0, SZ_2M);
	56	}
	57
5155e2c7 PK	58	static int hsusb_phy_init_seq[] = {
	59	0x30, 0x32, /* Enable and set Pre-Emphasis Depth to 20% */
	60	0x02, 0x36, /* Disable CDR Auto Reset feature */
	61	-1
	62	};
	63
5146d771 II	64	static int hsusb_link_clk_reset(struct clk *link_clk, bool assert)
	65	{
	66	int ret;
	67
	68	if (assert) {
	69	ret = clk_reset(link_clk, CLK_RESET_ASSERT);
	70	if (ret)
	71	pr_err("usb hs_clk assert failed\n");
	72	} else {
	73	ret = clk_reset(link_clk, CLK_RESET_DEASSERT);
	74	if (ret)
	75	pr_err("usb hs_clk deassert failed\n");
	76	}
	77	return ret;
	78	}
	79
	80	static int hsusb_phy_clk_reset(struct clk *phy_clk)
	81	{
	82	int ret;
	83
	84	ret = clk_reset(phy_clk, CLK_RESET_ASSERT);
	85	if (ret) {
	86	pr_err("usb phy clk assert failed\n");
	87	return ret;
	88	}
	89	usleep_range(10000, 12000);
	90	ret = clk_reset(phy_clk, CLK_RESET_DEASSERT);
	91	if (ret)
	92	pr_err("usb phy clk deassert failed\n");
	93	return ret;
	94	}
	95
5155e2c7 PK	96	static struct msm_otg_platform_data msm_otg_pdata = {
	97	.phy_init_seq = hsusb_phy_init_seq,
	98	.mode = USB_PERIPHERAL,
	99	.otg_control = OTG_PHY_CONTROL,
5146d771 II	100	.link_clk_reset = hsusb_link_clk_reset,
5146d771 II	101	.phy_clk_reset = hsusb_phy_clk_reset,
5155e2c7 PK	102	};
5155e2c7 PK	103
ba5499eb DZ	104	struct msm_gpiomux_config msm_gpiomux_configs[GPIOMUX_NGPIOS] = {
	105	#ifdef CONFIG_SERIAL_MSM_CONSOLE
	106	[49] = { /* UART2 RFR */
	107	.suspended = GPIOMUX_DRV_2MA \| GPIOMUX_PULL_DOWN \|
	108	GPIOMUX_FUNC_2 \| GPIOMUX_VALID,
	109	},
	110	[50] = { /* UART2 CTS */
	111	.suspended = GPIOMUX_DRV_2MA \| GPIOMUX_PULL_DOWN \|
	112	GPIOMUX_FUNC_2 \| GPIOMUX_VALID,
	113	},
	114	[51] = { /* UART2 RX */
	115	.suspended = GPIOMUX_DRV_2MA \| GPIOMUX_PULL_DOWN \|
	116	GPIOMUX_FUNC_2 \| GPIOMUX_VALID,
	117	},
	118	[52] = { /* UART2 TX */
	119	.suspended = GPIOMUX_DRV_2MA \| GPIOMUX_PULL_DOWN \|
	120	GPIOMUX_FUNC_2 \| GPIOMUX_VALID,
	121	},
	122	#endif
	123	};
	124
8d747cdb	125	static struct platform_device *devices[] __initdata = {
421faca0	126	&msm_clock_7x30,
7bce696b	127	&msm_device_gpio_7x30,
90e37c57 DW	128	#if defined(CONFIG_SERIAL_MSM) \|\| defined(CONFIG_MSM_SERIAL_DEBUGGER)
	129	&msm_device_uart2,
	130	#endif
a8855e9c	131	&msm_device_smd,
5155e2c7 PK	132	&msm_device_otg,
	133	&msm_device_hsusb,
	134	&msm_device_hsusb_host,
8d747cdb DW	135	};
	136
	137	static void __init msm7x30_init_irq(void)
	138	{
	139	msm_init_irq();
	140	}
	141
8d747cdb DW	142	static void __init msm7x30_init(void)
8d747cdb DW	143	{
5155e2c7 PK	144	msm_device_otg.dev.platform_data = &msm_otg_pdata;
	145	msm_device_hsusb.dev.parent = &msm_device_otg.dev;
	146	msm_device_hsusb_host.dev.parent = &msm_device_otg.dev;
	147
8d747cdb	148	platform_add_devices(devices, ARRAY_SIZE(devices));
8d747cdb DW	149	}
	150
	151	static void __init msm7x30_map_io(void)
	152	{
8d747cdb	153	msm_map_msm7x30_io();
8d747cdb DW	154	}
8d747cdb DW	155
c633c531 SG	156	static void __init msm7x30_init_late(void)
	157	{
	158	smd_debugfs_init();
	159	}
	160
8d747cdb	161	MACHINE_START(MSM7X30_SURF, "QCT MSM7X30 SURF")
f631dd41	162	.atag_offset = 0x100,
9e775ad1 SB	163	.fixup = msm7x30_fixup,
9e775ad1 SB	164	.reserve = msm7x30_reserve,
8d747cdb DW	165	.map_io = msm7x30_map_io,
	166	.init_irq = msm7x30_init_irq,
	167	.init_machine = msm7x30_init,
c633c531	168	.init_late = msm7x30_init_late,
6bb27d73	169	.init_time = msm7x30_timer_init,
8d747cdb DW	170	MACHINE_END
	171
	172	MACHINE_START(MSM7X30_FFA, "QCT MSM7X30 FFA")
f631dd41	173	.atag_offset = 0x100,
9e775ad1 SB	174	.fixup = msm7x30_fixup,
9e775ad1 SB	175	.reserve = msm7x30_reserve,
8d747cdb DW	176	.map_io = msm7x30_map_io,
	177	.init_irq = msm7x30_init_irq,
	178	.init_machine = msm7x30_init,
c633c531	179	.init_late = msm7x30_init_late,
6bb27d73	180	.init_time = msm7x30_timer_init,
8d747cdb DW	181	MACHINE_END
	182
	183	MACHINE_START(MSM7X30_FLUID, "QCT MSM7X30 FLUID")
f631dd41	184	.atag_offset = 0x100,
9e775ad1 SB	185	.fixup = msm7x30_fixup,
9e775ad1 SB	186	.reserve = msm7x30_reserve,
8d747cdb DW	187	.map_io = msm7x30_map_io,
	188	.init_irq = msm7x30_init_irq,
	189	.init_machine = msm7x30_init,
c633c531	190	.init_late = msm7x30_init_late,
6bb27d73	191	.init_time = msm7x30_timer_init,
8d747cdb	192	MACHINE_END