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

/*
 * Copyright (C) 2005 Nokia Corporation
 * Author: Paul Mundt <paul.mundt@nokia.com>
 *
 * Copyright (C) 2011 Texas Instruments Incorporated - http://www.ti.com/
 *
 * Modified from the original mach-omap/omap2/board-generic.c did by Paul
 * to support the OMAP2+ device tree boards with an unique board file.
 *
 * 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.
 */
#include <linux/io.h>
#include <linux/of_irq.h>
#include <linux/of_platform.h>
#include <linux/irqdomain.h>
#include <linux/clk.h>

#include <asm/mach/arch.h>

#include "common.h"
#include "common-board-devices.h"
#include "dss-common.h"

#if !(defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3))
#define intc_of_init	NULL
#endif
#ifndef CONFIG_ARCH_OMAP4
#define gic_of_init		NULL
#endif

static struct of_device_id omap_dt_match_table[] __initdata = {
	{ .compatible = "simple-bus", },
	{ .compatible = "ti,omap-infra", },
	{ }
};

/*
 * Create alias for USB host PHY clock.
 * Remove this when clock phandle can be provided via DT
 */
static void __init legacy_init_ehci_clk(char *clkname)
{
	int ret;

	ret = clk_add_alias("main_clk", NULL, clkname, NULL);
	if (ret) {
		pr_err("%s:Failed to add main_clk alias to %s :%d\n",
						__func__, clkname, ret);
	}
}

static void __init omap_generic_init(void)
{
	omap_sdrc_init(NULL, NULL);

	of_platform_populate(NULL, omap_dt_match_table, NULL, NULL);

	/*
	 * HACK: call display setup code for selected boards to enable omapdss.
	 * This will be removed when omapdss supports DT.
	 */
	if (of_machine_is_compatible("ti,omap4-panda")) {
		omap4_panda_display_init_of();
		legacy_init_ehci_clk("auxclk3_ck");

	}
	else if (of_machine_is_compatible("ti,omap4-sdp"))
		omap_4430sdp_display_init_of();
	else if (of_machine_is_compatible("ti,omap5-uevm"))
		legacy_init_ehci_clk("auxclk1_ck");
}

#ifdef CONFIG_SOC_OMAP2420
static const char *omap242x_boards_compat[] __initdata = {
	"ti,omap2420",
	NULL,
};

DT_MACHINE_START(OMAP242X_DT, "Generic OMAP2420 (Flattened Device Tree)")
	.reserve	= omap_reserve,
	.map_io		= omap242x_map_io,
	.init_early	= omap2420_init_early,
	.init_irq	= omap_intc_of_init,
	.handle_irq	= omap2_intc_handle_irq,
	.init_machine	= omap_generic_init,
	.init_time	= omap2_sync32k_timer_init,
	.dt_compat	= omap242x_boards_compat,
	.restart	= omap2xxx_restart,
MACHINE_END
#endif

#ifdef CONFIG_SOC_OMAP2430
static const char *omap243x_boards_compat[] __initdata = {
	"ti,omap2430",
	NULL,
};

DT_MACHINE_START(OMAP243X_DT, "Generic OMAP2430 (Flattened Device Tree)")
	.reserve	= omap_reserve,
	.map_io		= omap243x_map_io,
	.init_early	= omap2430_init_early,
	.init_irq	= omap_intc_of_init,
	.handle_irq	= omap2_intc_handle_irq,
	.init_machine	= omap_generic_init,
	.init_time	= omap2_sync32k_timer_init,
	.dt_compat	= omap243x_boards_compat,
	.restart	= omap2xxx_restart,
MACHINE_END
#endif

#ifdef CONFIG_ARCH_OMAP3
static const char *omap3_boards_compat[] __initdata = {
	"ti,omap3",
	NULL,
};

DT_MACHINE_START(OMAP3_DT, "Generic OMAP3 (Flattened Device Tree)")
	.reserve	= omap_reserve,
	.map_io		= omap3_map_io,
	.init_early	= omap3430_init_early,
	.init_irq	= omap_intc_of_init,
	.handle_irq	= omap3_intc_handle_irq,
	.init_machine	= omap_generic_init,
	.init_late	= omap3_init_late,
	.init_time	= omap3_sync32k_timer_init,
	.dt_compat	= omap3_boards_compat,
	.restart	= omap3xxx_restart,
MACHINE_END

static const char *omap3_gp_boards_compat[] __initdata = {
	"ti,omap3-beagle",
	"timll,omap3-devkit8000",
	NULL,
};

DT_MACHINE_START(OMAP3_GP_DT, "Generic OMAP3-GP (Flattened Device Tree)")
	.reserve	= omap_reserve,
	.map_io		= omap3_map_io,
	.init_early	= omap3430_init_early,
	.init_irq	= omap_intc_of_init,
	.handle_irq	= omap3_intc_handle_irq,
	.init_machine	= omap_generic_init,
	.init_late	= omap3_init_late,
	.init_time	= omap3_secure_sync32k_timer_init,
	.dt_compat	= omap3_gp_boards_compat,
	.restart	= omap3xxx_restart,
MACHINE_END
#endif

#ifdef CONFIG_SOC_AM33XX
static const char *am33xx_boards_compat[] __initdata = {
	"ti,am33xx",
	NULL,
};

DT_MACHINE_START(AM33XX_DT, "Generic AM33XX (Flattened Device Tree)")
	.reserve	= omap_reserve,
	.map_io		= am33xx_map_io,
	.init_early	= am33xx_init_early,
	.init_irq	= omap_intc_of_init,
	.handle_irq	= omap3_intc_handle_irq,
	.init_machine	= omap_generic_init,
	.init_time	= omap3_gptimer_timer_init,
	.dt_compat	= am33xx_boards_compat,
	.restart	= am33xx_restart,
MACHINE_END
#endif

#ifdef CONFIG_ARCH_OMAP4
static const char *omap4_boards_compat[] __initdata = {
	"ti,omap4",
	NULL,
};

DT_MACHINE_START(OMAP4_DT, "Generic OMAP4 (Flattened Device Tree)")
	.reserve	= omap_reserve,
	.smp		= smp_ops(omap4_smp_ops),
	.map_io		= omap4_map_io,
	.init_early	= omap4430_init_early,
	.init_irq	= omap_gic_of_init,
	.init_machine	= omap_generic_init,
	.init_late	= omap4430_init_late,
	.init_time	= omap4_local_timer_init,
	.dt_compat	= omap4_boards_compat,
	.restart	= omap44xx_restart,
MACHINE_END
#endif

#ifdef CONFIG_SOC_OMAP5
static const char *omap5_boards_compat[] __initdata = {
	"ti,omap5",
	NULL,
};

DT_MACHINE_START(OMAP5_DT, "Generic OMAP5 (Flattened Device Tree)")
	.reserve	= omap_reserve,
	.smp		= smp_ops(omap4_smp_ops),
	.map_io		= omap5_map_io,
	.init_early	= omap5_init_early,
	.init_irq	= omap_gic_of_init,
	.init_machine	= omap_generic_init,
	.init_time	= omap5_realtime_timer_init,
	.dt_compat	= omap5_boards_compat,
	.restart	= omap44xx_restart,
MACHINE_END
#endif

#ifdef CONFIG_SOC_AM43XX
static const char *am43_boards_compat[] __initdata = {
	"ti,am43",
	NULL,
};

DT_MACHINE_START(AM43_DT, "Generic AM43 (Flattened Device Tree)")
	.map_io		= am33xx_map_io,
	.init_early	= am43xx_init_early,
	.init_irq	= omap_gic_of_init,
	.init_machine	= omap_generic_init,
	.init_time	= omap3_sync32k_timer_init,
	.dt_compat	= am43_boards_compat,
MACHINE_END
#endif

#ifdef CONFIG_SOC_DRA7XX
static const char *dra7xx_boards_compat[] __initdata = {
	"ti,dra7",
	NULL,
};

DT_MACHINE_START(DRA7XX_DT, "Generic DRA7XX (Flattened Device Tree)")
	.reserve	= omap_reserve,
	.smp		= smp_ops(omap4_smp_ops),
	.map_io		= omap5_map_io,
	.init_early	= dra7xx_init_early,
	.init_irq	= omap_gic_of_init,
	.init_machine	= omap_generic_init,
	.init_time	= omap5_realtime_timer_init,
	.dt_compat	= dra7xx_boards_compat,
	.restart	= omap44xx_restart,
MACHINE_END
#endif
Commit	Line	Data
1dbae815	1	/*
1dbae815 TL	2	* Copyright (C) 2005 Nokia Corporation
	3	* Author: Paul Mundt <paul.mundt@nokia.com>
	4	*
8d61649d	5	* Copyright (C) 2011 Texas Instruments Incorporated - http://www.ti.com/
1dbae815	6	*
8d61649d BC	7	* Modified from the original mach-omap/omap2/board-generic.c did by Paul
8d61649d BC	8	* to support the OMAP2+ device tree boards with an unique board file.
1dbae815 TL	9	*
	10	* This program is free software; you can redistribute it and/or modify
	11	* it under the terms of the GNU General Public License version 2 as
	12	* published by the Free Software Foundation.
	13	*/
8d61649d	14	#include <linux/io.h>
fbf75da7	15	#include <linux/of_irq.h>
8d61649d BC	16	#include <linux/of_platform.h>
8d61649d BC	17	#include <linux/irqdomain.h>
741532c4	18	#include <linux/clk.h>
1dbae815	19
1dbae815	20	#include <asm/mach/arch.h>
1dbae815	21
4e65331c	22	#include "common.h"
a7cbb9b1	23	#include "common-board-devices.h"
63d5fc0c	24	#include "dss-common.h"
8d61649d	25
75a57fe9	26	#if !(defined(CONFIG_ARCH_OMAP2) \|\| defined(CONFIG_ARCH_OMAP3))
c4082d49	27	#define intc_of_init NULL
75a57fe9 TL	28	#endif
	29	#ifndef CONFIG_ARCH_OMAP4
	30	#define gic_of_init NULL
	31	#endif
	32
8d61649d BC	33	static struct of_device_id omap_dt_match_table[] __initdata = {
	34	{ .compatible = "simple-bus", },
	35	{ .compatible = "ti,omap-infra", },
	36	{ }
b3c6df3a PW	37	};
b3c6df3a PW	38
741532c4 RQ	39	/*
	40	* Create alias for USB host PHY clock.
	41	* Remove this when clock phandle can be provided via DT
	42	*/
	43	static void __init legacy_init_ehci_clk(char *clkname)
	44	{
	45	int ret;
	46
	47	ret = clk_add_alias("main_clk", NULL, clkname, NULL);
	48	if (ret) {
	49	pr_err("%s:Failed to add main_clk alias to %s :%d\n",
	50	__func__, clkname, ret);
	51	}
	52	}
	53
1dbae815 TL	54	static void __init omap_generic_init(void)
1dbae815 TL	55	{
a4ca9dbe	56	omap_sdrc_init(NULL, NULL);
1dbae815	57
8d61649d	58	of_platform_populate(NULL, omap_dt_match_table, NULL, NULL);
63d5fc0c TV	59
	60	/*
	61	* HACK: call display setup code for selected boards to enable omapdss.
	62	* This will be removed when omapdss supports DT.
	63	*/
741532c4	64	if (of_machine_is_compatible("ti,omap4-panda")) {
63d5fc0c	65	omap4_panda_display_init_of();
741532c4 RQ	66	legacy_init_ehci_clk("auxclk3_ck");
	67
	68	}
63d5fc0c TV	69	else if (of_machine_is_compatible("ti,omap4-sdp"))
63d5fc0c TV	70	omap_4430sdp_display_init_of();
741532c4 RQ	71	else if (of_machine_is_compatible("ti,omap5-uevm"))
741532c4 RQ	72	legacy_init_ehci_clk("auxclk1_ck");
1dbae815 TL	73	}
1dbae815 TL	74
0e02a8c1	75	#ifdef CONFIG_SOC_OMAP2420
8d61649d BC	76	static const char *omap242x_boards_compat[] __initdata = {
	77	"ti,omap2420",
	78	NULL,
	79	};
	80
	81	DT_MACHINE_START(OMAP242X_DT, "Generic OMAP2420 (Flattened Device Tree)")
	82	.reserve = omap_reserve,
	83	.map_io = omap242x_map_io,
	84	.init_early = omap2420_init_early,
c4082d49	85	.init_irq = omap_intc_of_init,
b755706c	86	.handle_irq = omap2_intc_handle_irq,
8d61649d	87	.init_machine = omap_generic_init,
6bb27d73	88	.init_time = omap2_sync32k_timer_init,
8d61649d	89	.dt_compat = omap242x_boards_compat,
187e3e06	90	.restart = omap2xxx_restart,
8d61649d BC	91	MACHINE_END
	92	#endif
	93
0e02a8c1	94	#ifdef CONFIG_SOC_OMAP2430
8d61649d BC	95	static const char *omap243x_boards_compat[] __initdata = {
	96	"ti,omap2430",
	97	NULL,
	98	};
	99
	100	DT_MACHINE_START(OMAP243X_DT, "Generic OMAP2430 (Flattened Device Tree)")
71ee7dad	101	.reserve = omap_reserve,
8d61649d BC	102	.map_io = omap243x_map_io,
8d61649d BC	103	.init_early = omap2430_init_early,
c4082d49	104	.init_irq = omap_intc_of_init,
6b2f55d7	105	.handle_irq = omap2_intc_handle_irq,
1dbae815	106	.init_machine = omap_generic_init,
6bb27d73	107	.init_time = omap2_sync32k_timer_init,
8d61649d	108	.dt_compat = omap243x_boards_compat,
187e3e06	109	.restart = omap2xxx_restart,
8d61649d BC	110	MACHINE_END
	111	#endif
	112
0e02a8c1	113	#ifdef CONFIG_ARCH_OMAP3
8d61649d BC	114	static const char *omap3_boards_compat[] __initdata = {
	115	"ti,omap3",
	116	NULL,
	117	};
	118
	119	DT_MACHINE_START(OMAP3_DT, "Generic OMAP3 (Flattened Device Tree)")
	120	.reserve = omap_reserve,
	121	.map_io = omap3_map_io,
	122	.init_early = omap3430_init_early,
c4082d49	123	.init_irq = omap_intc_of_init,
b755706c	124	.handle_irq = omap3_intc_handle_irq,
93651b85	125	.init_machine = omap_generic_init,
990fa4f5	126	.init_late = omap3_init_late,
6bb27d73	127	.init_time = omap3_sync32k_timer_init,
8d61649d	128	.dt_compat = omap3_boards_compat,
187e3e06	129	.restart = omap3xxx_restart,
8d61649d	130	MACHINE_END
7dd9d502 JH	131
	132	static const char *omap3_gp_boards_compat[] __initdata = {
	133	"ti,omap3-beagle",
4bfe6341	134	"timll,omap3-devkit8000",
7dd9d502 JH	135	NULL,
	136	};
	137
	138	DT_MACHINE_START(OMAP3_GP_DT, "Generic OMAP3-GP (Flattened Device Tree)")
	139	.reserve = omap_reserve,
	140	.map_io = omap3_map_io,
	141	.init_early = omap3430_init_early,
	142	.init_irq = omap_intc_of_init,
	143	.handle_irq = omap3_intc_handle_irq,
	144	.init_machine = omap_generic_init,
990fa4f5	145	.init_late = omap3_init_late,
6bb27d73	146	.init_time = omap3_secure_sync32k_timer_init,
7dd9d502	147	.dt_compat = omap3_gp_boards_compat,
d01e4afd	148	.restart = omap3xxx_restart,
8d61649d BC	149	MACHINE_END
	150	#endif
	151
08f30989 AM	152	#ifdef CONFIG_SOC_AM33XX
	153	static const char *am33xx_boards_compat[] __initdata = {
	154	"ti,am33xx",
	155	NULL,
	156	};
	157
	158	DT_MACHINE_START(AM33XX_DT, "Generic AM33XX (Flattened Device Tree)")
	159	.reserve = omap_reserve,
	160	.map_io = am33xx_map_io,
	161	.init_early = am33xx_init_early,
c4082d49	162	.init_irq = omap_intc_of_init,
08f30989 AM	163	.handle_irq = omap3_intc_handle_irq,
08f30989 AM	164	.init_machine = omap_generic_init,
00ea4d56	165	.init_time = omap3_gptimer_timer_init,
08f30989	166	.dt_compat = am33xx_boards_compat,
14e067c1	167	.restart = am33xx_restart,
08f30989 AM	168	MACHINE_END
	169	#endif
	170
0e02a8c1	171	#ifdef CONFIG_ARCH_OMAP4
8d61649d BC	172	static const char *omap4_boards_compat[] __initdata = {
	173	"ti,omap4",
	174	NULL,
	175	};
	176
	177	DT_MACHINE_START(OMAP4_DT, "Generic OMAP4 (Flattened Device Tree)")
	178	.reserve = omap_reserve,
06915321	179	.smp = smp_ops(omap4_smp_ops),
8d61649d BC	180	.map_io = omap4_map_io,
8d61649d BC	181	.init_early = omap4430_init_early,
c4082d49	182	.init_irq = omap_gic_of_init,
93651b85	183	.init_machine = omap_generic_init,
bbd707ac	184	.init_late = omap4430_init_late,
6bb27d73	185	.init_time = omap4_local_timer_init,
8d61649d	186	.dt_compat = omap4_boards_compat,
187e3e06	187	.restart = omap44xx_restart,
1dbae815	188	MACHINE_END
8d61649d	189	#endif
0c1b6fac S	190
	191	#ifdef CONFIG_SOC_OMAP5
	192	static const char *omap5_boards_compat[] __initdata = {
	193	"ti,omap5",
	194	NULL,
	195	};
	196
	197	DT_MACHINE_START(OMAP5_DT, "Generic OMAP5 (Flattened Device Tree)")
	198	.reserve = omap_reserve,
06915321	199	.smp = smp_ops(omap4_smp_ops),
0c1b6fac S	200	.map_io = omap5_map_io,
	201	.init_early = omap5_init_early,
	202	.init_irq = omap_gic_of_init,
0c1b6fac	203	.init_machine = omap_generic_init,
6bb27d73	204	.init_time = omap5_realtime_timer_init,
0c1b6fac	205	.dt_compat = omap5_boards_compat,
187e3e06	206	.restart = omap44xx_restart,
0c1b6fac S	207	MACHINE_END
0c1b6fac S	208	#endif
bb256f80 AM	209
	210	#ifdef CONFIG_SOC_AM43XX
	211	static const char *am43_boards_compat[] __initdata = {
	212	"ti,am43",
	213	NULL,
	214	};
	215
	216	DT_MACHINE_START(AM43_DT, "Generic AM43 (Flattened Device Tree)")
	217	.map_io = am33xx_map_io,
	218	.init_early = am43xx_init_early,
	219	.init_irq = omap_gic_of_init,
	220	.init_machine = omap_generic_init,
	221	.init_time = omap3_sync32k_timer_init,
	222	.dt_compat = am43_boards_compat,
	223	MACHINE_END
	224	#endif
439bf39e S	225
	226	#ifdef CONFIG_SOC_DRA7XX
	227	static const char *dra7xx_boards_compat[] __initdata = {
	228	"ti,dra7",
	229	NULL,
	230	};
	231
	232	DT_MACHINE_START(DRA7XX_DT, "Generic DRA7XX (Flattened Device Tree)")
	233	.reserve = omap_reserve,
	234	.smp = smp_ops(omap4_smp_ops),
	235	.map_io = omap5_map_io,
	236	.init_early = dra7xx_init_early,
	237	.init_irq = omap_gic_of_init,
	238	.init_machine = omap_generic_init,
	239	.init_time = omap5_realtime_timer_init,
	240	.dt_compat = dra7xx_boards_compat,
1d597b07	241	.restart = omap44xx_restart,
439bf39e S	242	MACHINE_END
439bf39e S	243	#endif