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

/*
 * linux/arch/arm/mach-omap2/io.c
 *
 * OMAP2 I/O mapping code
 *
 * Copyright (C) 2005 Nokia Corporation
 * Copyright (C) 2007-2009 Texas Instruments
 *
 * Author:
 *	Juha Yrjola <juha.yrjola@nokia.com>
 *	Syed Khasim <x0khasim@ti.com>
 *
 * Added OMAP4 support - Santosh Shilimkar <santosh.shilimkar@ti.com>
 *
 * 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/module.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/io.h>
#include <linux/clk.h>
#include <linux/omapfb.h>

#include <asm/tlb.h>

#include <asm/mach/map.h>

#include <plat/sram.h>
#include <plat/sdrc.h>
#include <plat/serial.h>

#include "clock2xxx.h"
#include "clock3xxx.h"
#include "clock44xx.h"

#include <plat/common.h>
#include <plat/omap-pm.h>
#include "voltage.h"
#include "powerdomain.h"

#include "clockdomain.h"
#include <plat/omap_hwmod.h>
#include <plat/multi.h>
#include <plat/common.h>

/*
 * The machine specific code may provide the extra mapping besides the
 * default mapping provided here.
 */

#ifdef CONFIG_ARCH_OMAP2
static struct map_desc omap24xx_io_desc[] __initdata = {
	{
		.virtual	= L3_24XX_VIRT,
		.pfn		= __phys_to_pfn(L3_24XX_PHYS),
		.length		= L3_24XX_SIZE,
		.type		= MT_DEVICE
	},
	{
		.virtual	= L4_24XX_VIRT,
		.pfn		= __phys_to_pfn(L4_24XX_PHYS),
		.length		= L4_24XX_SIZE,
		.type		= MT_DEVICE
	},
};

#ifdef CONFIG_SOC_OMAP2420
static struct map_desc omap242x_io_desc[] __initdata = {
	{
		.virtual	= DSP_MEM_2420_VIRT,
		.pfn		= __phys_to_pfn(DSP_MEM_2420_PHYS),
		.length		= DSP_MEM_2420_SIZE,
		.type		= MT_DEVICE
	},
	{
		.virtual	= DSP_IPI_2420_VIRT,
		.pfn		= __phys_to_pfn(DSP_IPI_2420_PHYS),
		.length		= DSP_IPI_2420_SIZE,
		.type		= MT_DEVICE
	},
	{
		.virtual	= DSP_MMU_2420_VIRT,
		.pfn		= __phys_to_pfn(DSP_MMU_2420_PHYS),
		.length		= DSP_MMU_2420_SIZE,
		.type		= MT_DEVICE
	},
};

#endif

#ifdef CONFIG_SOC_OMAP2430
static struct map_desc omap243x_io_desc[] __initdata = {
	{
		.virtual	= L4_WK_243X_VIRT,
		.pfn		= __phys_to_pfn(L4_WK_243X_PHYS),
		.length		= L4_WK_243X_SIZE,
		.type		= MT_DEVICE
	},
	{
		.virtual	= OMAP243X_GPMC_VIRT,
		.pfn		= __phys_to_pfn(OMAP243X_GPMC_PHYS),
		.length		= OMAP243X_GPMC_SIZE,
		.type		= MT_DEVICE
	},
	{
		.virtual	= OMAP243X_SDRC_VIRT,
		.pfn		= __phys_to_pfn(OMAP243X_SDRC_PHYS),
		.length		= OMAP243X_SDRC_SIZE,
		.type		= MT_DEVICE
	},
	{
		.virtual	= OMAP243X_SMS_VIRT,
		.pfn		= __phys_to_pfn(OMAP243X_SMS_PHYS),
		.length		= OMAP243X_SMS_SIZE,
		.type		= MT_DEVICE
	},
};
#endif
#endif

#ifdef	CONFIG_ARCH_OMAP3
static struct map_desc omap34xx_io_desc[] __initdata = {
	{
		.virtual	= L3_34XX_VIRT,
		.pfn		= __phys_to_pfn(L3_34XX_PHYS),
		.length		= L3_34XX_SIZE,
		.type		= MT_DEVICE
	},
	{
		.virtual	= L4_34XX_VIRT,
		.pfn		= __phys_to_pfn(L4_34XX_PHYS),
		.length		= L4_34XX_SIZE,
		.type		= MT_DEVICE
	},
	{
		.virtual	= OMAP34XX_GPMC_VIRT,
		.pfn		= __phys_to_pfn(OMAP34XX_GPMC_PHYS),
		.length		= OMAP34XX_GPMC_SIZE,
		.type		= MT_DEVICE
	},
	{
		.virtual	= OMAP343X_SMS_VIRT,
		.pfn		= __phys_to_pfn(OMAP343X_SMS_PHYS),
		.length		= OMAP343X_SMS_SIZE,
		.type		= MT_DEVICE
	},
	{
		.virtual	= OMAP343X_SDRC_VIRT,
		.pfn		= __phys_to_pfn(OMAP343X_SDRC_PHYS),
		.length		= OMAP343X_SDRC_SIZE,
		.type		= MT_DEVICE
	},
	{
		.virtual	= L4_PER_34XX_VIRT,
		.pfn		= __phys_to_pfn(L4_PER_34XX_PHYS),
		.length		= L4_PER_34XX_SIZE,
		.type		= MT_DEVICE
	},
	{
		.virtual	= L4_EMU_34XX_VIRT,
		.pfn		= __phys_to_pfn(L4_EMU_34XX_PHYS),
		.length		= L4_EMU_34XX_SIZE,
		.type		= MT_DEVICE
	},
#if defined(CONFIG_DEBUG_LL) &&							\
	(defined(CONFIG_MACH_OMAP_ZOOM2) || defined(CONFIG_MACH_OMAP_ZOOM3))
	{
		.virtual	= ZOOM_UART_VIRT,
		.pfn		= __phys_to_pfn(ZOOM_UART_BASE),
		.length		= SZ_1M,
		.type		= MT_DEVICE
	},
#endif
};
#endif

#ifdef CONFIG_SOC_OMAPTI816X
static struct map_desc omapti816x_io_desc[] __initdata = {
	{
		.virtual	= L4_34XX_VIRT,
		.pfn		= __phys_to_pfn(L4_34XX_PHYS),
		.length		= L4_34XX_SIZE,
		.type		= MT_DEVICE
	},
};
#endif

#ifdef	CONFIG_ARCH_OMAP4
static struct map_desc omap44xx_io_desc[] __initdata = {
	{
		.virtual	= L3_44XX_VIRT,
		.pfn		= __phys_to_pfn(L3_44XX_PHYS),
		.length		= L3_44XX_SIZE,
		.type		= MT_DEVICE,
	},
	{
		.virtual	= L4_44XX_VIRT,
		.pfn		= __phys_to_pfn(L4_44XX_PHYS),
		.length		= L4_44XX_SIZE,
		.type		= MT_DEVICE,
	},
	{
		.virtual	= OMAP44XX_GPMC_VIRT,
		.pfn		= __phys_to_pfn(OMAP44XX_GPMC_PHYS),
		.length		= OMAP44XX_GPMC_SIZE,
		.type		= MT_DEVICE,
	},
	{
		.virtual	= OMAP44XX_EMIF1_VIRT,
		.pfn		= __phys_to_pfn(OMAP44XX_EMIF1_PHYS),
		.length		= OMAP44XX_EMIF1_SIZE,
		.type		= MT_DEVICE,
	},
	{
		.virtual	= OMAP44XX_EMIF2_VIRT,
		.pfn		= __phys_to_pfn(OMAP44XX_EMIF2_PHYS),
		.length		= OMAP44XX_EMIF2_SIZE,
		.type		= MT_DEVICE,
	},
	{
		.virtual	= OMAP44XX_DMM_VIRT,
		.pfn		= __phys_to_pfn(OMAP44XX_DMM_PHYS),
		.length		= OMAP44XX_DMM_SIZE,
		.type		= MT_DEVICE,
	},
	{
		.virtual	= L4_PER_44XX_VIRT,
		.pfn		= __phys_to_pfn(L4_PER_44XX_PHYS),
		.length		= L4_PER_44XX_SIZE,
		.type		= MT_DEVICE,
	},
	{
		.virtual	= L4_EMU_44XX_VIRT,
		.pfn		= __phys_to_pfn(L4_EMU_44XX_PHYS),
		.length		= L4_EMU_44XX_SIZE,
		.type		= MT_DEVICE,
	},
};
#endif

#ifdef CONFIG_SOC_OMAP2420
void __init omap242x_map_common_io(void)
{
	iotable_init(omap24xx_io_desc, ARRAY_SIZE(omap24xx_io_desc));
	iotable_init(omap242x_io_desc, ARRAY_SIZE(omap242x_io_desc));
}
#endif

#ifdef CONFIG_SOC_OMAP2430
void __init omap243x_map_common_io(void)
{
	iotable_init(omap24xx_io_desc, ARRAY_SIZE(omap24xx_io_desc));
	iotable_init(omap243x_io_desc, ARRAY_SIZE(omap243x_io_desc));
}
#endif

#ifdef CONFIG_ARCH_OMAP3
void __init omap34xx_map_common_io(void)
{
	iotable_init(omap34xx_io_desc, ARRAY_SIZE(omap34xx_io_desc));
}
#endif

#ifdef CONFIG_SOC_OMAPTI816X
void __init omapti816x_map_common_io(void)
{
	iotable_init(omapti816x_io_desc, ARRAY_SIZE(omapti816x_io_desc));
}
#endif

#ifdef CONFIG_ARCH_OMAP4
void __init omap44xx_map_common_io(void)
{
	iotable_init(omap44xx_io_desc, ARRAY_SIZE(omap44xx_io_desc));
}
#endif

/*
 * omap2_init_reprogram_sdrc - reprogram SDRC timing parameters
 *
 * Sets the CORE DPLL3 M2 divider to the same value that it's at
 * currently.  This has the effect of setting the SDRC SDRAM AC timing
 * registers to the values currently defined by the kernel.  Currently
 * only defined for OMAP3; will return 0 if called on OMAP2.  Returns
 * -EINVAL if the dpll3_m2_ck cannot be found, 0 if called on OMAP2,
 * or passes along the return value of clk_set_rate().
 */
static int __init _omap2_init_reprogram_sdrc(void)
{
	struct clk *dpll3_m2_ck;
	int v = -EINVAL;
	long rate;

	if (!cpu_is_omap34xx())
		return 0;

	dpll3_m2_ck = clk_get(NULL, "dpll3_m2_ck");
	if (IS_ERR(dpll3_m2_ck))
		return -EINVAL;

	rate = clk_get_rate(dpll3_m2_ck);
	pr_info("Reprogramming SDRC clock to %ld Hz\n", rate);
	v = clk_set_rate(dpll3_m2_ck, rate);
	if (v)
		pr_err("dpll3_m2_clk rate change failed: %d\n", v);

	clk_put(dpll3_m2_ck);

	return v;
}

static int _set_hwmod_postsetup_state(struct omap_hwmod *oh, void *data)
{
	return omap_hwmod_set_postsetup_state(oh, *(u8 *)data);
}

/* See irq.c, omap4-common.c and entry-macro.S */
void __iomem *omap_irq_base;

static void __init omap_common_init_early(void)
{
	omap2_check_revision();
	omap_ioremap_init();
	omap_init_consistent_dma_size();
}

static void __init omap_hwmod_init_postsetup(void)
{
	u8 postsetup_state;

	/* Set the default postsetup state for all hwmods */
#ifdef CONFIG_PM_RUNTIME
	postsetup_state = _HWMOD_STATE_IDLE;
#else
	postsetup_state = _HWMOD_STATE_ENABLED;
#endif
	omap_hwmod_for_each(_set_hwmod_postsetup_state, &postsetup_state);

	/*
	 * Set the default postsetup state for unusual modules (like
	 * MPU WDT).
	 *
	 * The postsetup_state is not actually used until
	 * omap_hwmod_late_init(), so boards that desire full watchdog
	 * coverage of kernel initialization can reprogram the
	 * postsetup_state between the calls to
	 * omap2_init_common_infra() and omap_sdrc_init().
	 *
	 * XXX ideally we could detect whether the MPU WDT was currently
	 * enabled here and make this conditional
	 */
	postsetup_state = _HWMOD_STATE_DISABLED;
	omap_hwmod_for_each_by_class("wd_timer",
				     _set_hwmod_postsetup_state,
				     &postsetup_state);

	omap_pm_if_early_init();
}

#ifdef CONFIG_ARCH_OMAP2
void __init omap2420_init_early(void)
{
	omap2_set_globals_242x();
	omap_common_init_early();
	omap2xxx_voltagedomains_init();
	omap242x_powerdomains_init();
	omap242x_clockdomains_init();
	omap2420_hwmod_init();
	omap_hwmod_init_postsetup();
	omap2420_clk_init();
}

void __init omap2430_init_early(void)
{
	omap2_set_globals_243x();
	omap_common_init_early();
	omap2xxx_voltagedomains_init();
	omap243x_powerdomains_init();
	omap243x_clockdomains_init();
	omap2430_hwmod_init();
	omap_hwmod_init_postsetup();
	omap2430_clk_init();
}
#endif

/*
 * Currently only board-omap3beagle.c should call this because of the
 * same machine_id for 34xx and 36xx beagle.. Will get fixed with DT.
 */
#ifdef CONFIG_ARCH_OMAP3
void __init omap3_init_early(void)
{
	omap2_set_globals_3xxx();
	omap_common_init_early();
	omap3xxx_voltagedomains_init();
	omap3xxx_powerdomains_init();
	omap3xxx_clockdomains_init();
	omap3xxx_hwmod_init();
	omap_hwmod_init_postsetup();
	omap3xxx_clk_init();
}

void __init omap3430_init_early(void)
{
	omap3_init_early();
}

void __init omap35xx_init_early(void)
{
	omap3_init_early();
}

void __init omap3630_init_early(void)
{
	omap3_init_early();
}

void __init am35xx_init_early(void)
{
	omap3_init_early();
}

void __init ti816x_init_early(void)
{
	omap2_set_globals_ti816x();
	omap_common_init_early();
	omap3xxx_voltagedomains_init();
	omap3xxx_powerdomains_init();
	omap3xxx_clockdomains_init();
	omap3xxx_hwmod_init();
	omap_hwmod_init_postsetup();
	omap3xxx_clk_init();
}
#endif

#ifdef CONFIG_ARCH_OMAP4
void __init omap4430_init_early(void)
{
	omap2_set_globals_443x();
	omap_common_init_early();
	omap44xx_voltagedomains_init();
	omap44xx_powerdomains_init();
	omap44xx_clockdomains_init();
	omap44xx_hwmod_init();
	omap_hwmod_init_postsetup();
	omap4xxx_clk_init();
}
#endif

void __init omap_sdrc_init(struct omap_sdrc_params *sdrc_cs0,
				      struct omap_sdrc_params *sdrc_cs1)
{
	omap_sram_init();

	if (cpu_is_omap24xx() || omap3_has_sdrc()) {
		omap2_sdrc_init(sdrc_cs0, sdrc_cs1);
		_omap2_init_reprogram_sdrc();
	}
}

/*
 * NOTE: Please use ioremap + __raw_read/write where possible instead of these
 */

u8 omap_readb(u32 pa)
{
	return __raw_readb(OMAP2_L4_IO_ADDRESS(pa));
}
EXPORT_SYMBOL(omap_readb);

u16 omap_readw(u32 pa)
{
	return __raw_readw(OMAP2_L4_IO_ADDRESS(pa));
}
EXPORT_SYMBOL(omap_readw);

u32 omap_readl(u32 pa)
{
	return __raw_readl(OMAP2_L4_IO_ADDRESS(pa));
}
EXPORT_SYMBOL(omap_readl);

void omap_writeb(u8 v, u32 pa)
{
	__raw_writeb(v, OMAP2_L4_IO_ADDRESS(pa));
}
EXPORT_SYMBOL(omap_writeb);

void omap_writew(u16 v, u32 pa)
{
	__raw_writew(v, OMAP2_L4_IO_ADDRESS(pa));
}
EXPORT_SYMBOL(omap_writew);

void omap_writel(u32 v, u32 pa)
{
	__raw_writel(v, OMAP2_L4_IO_ADDRESS(pa));
}
EXPORT_SYMBOL(omap_writel);
Commit	Line	Data
1dbae815 TL	1	/*
	2	* linux/arch/arm/mach-omap2/io.c
	3	*
	4	* OMAP2 I/O mapping code
	5	*
	6	* Copyright (C) 2005 Nokia Corporation
44169075	7	* Copyright (C) 2007-2009 Texas Instruments
646e3ed1 TL	8	*
	9	* Author:
	10	* Juha Yrjola <juha.yrjola@nokia.com>
	11	* Syed Khasim <x0khasim@ti.com>
1dbae815	12	*
44169075 SS	13	* Added OMAP4 support - Santosh Shilimkar <santosh.shilimkar@ti.com>
44169075 SS	14	*
1dbae815 TL	15	* This program is free software; you can redistribute it and/or modify
	16	* it under the terms of the GNU General Public License version 2 as
	17	* published by the Free Software Foundation.
	18	*/
1dbae815 TL	19	#include <linux/module.h>
	20	#include <linux/kernel.h>
	21	#include <linux/init.h>
fced80c7	22	#include <linux/io.h>
2f135eaf	23	#include <linux/clk.h>
91773a00	24	#include <linux/omapfb.h>
1dbae815	25
120db2cb	26	#include <asm/tlb.h>
120db2cb TL	27
	28	#include <asm/mach/map.h>
	29
ce491cf8 TL	30	#include <plat/sram.h>
ce491cf8 TL	31	#include <plat/sdrc.h>
ce491cf8	32	#include <plat/serial.h>
646e3ed1	33
e80a9729	34	#include "clock2xxx.h"
657ebfad	35	#include "clock3xxx.h"
e80a9729	36	#include "clock44xx.h"
1dbae815	37
a66cb345	38	#include <plat/common.h>
ce491cf8	39	#include <plat/omap-pm.h>
81a60482	40	#include "voltage.h"
72e06d08	41	#include "powerdomain.h"
1dbae815	42
1540f214	43	#include "clockdomain.h"
ce491cf8	44	#include <plat/omap_hwmod.h>
5d190c40	45	#include <plat/multi.h>
4c3cf901	46	#include <plat/common.h>
02bfc030	47
1dbae815 TL	48	/*
	49	* The machine specific code may provide the extra mapping besides the
	50	* default mapping provided here.
	51	*/
cc26b3b0	52
088ef950	53	#ifdef CONFIG_ARCH_OMAP2
cc26b3b0	54	static struct map_desc omap24xx_io_desc[] __initdata = {
1dbae815 TL	55	{
	56	.virtual = L3_24XX_VIRT,
	57	.pfn = __phys_to_pfn(L3_24XX_PHYS),
	58	.length = L3_24XX_SIZE,
	59	.type = MT_DEVICE
	60	},
09f21ed4	61	{
cc26b3b0 SMK	62	.virtual = L4_24XX_VIRT,
	63	.pfn = __phys_to_pfn(L4_24XX_PHYS),
	64	.length = L4_24XX_SIZE,
	65	.type = MT_DEVICE
09f21ed4	66	},
cc26b3b0 SMK	67	};
cc26b3b0 SMK	68
59b479e0	69	#ifdef CONFIG_SOC_OMAP2420
cc26b3b0 SMK	70	static struct map_desc omap242x_io_desc[] __initdata = {
cc26b3b0 SMK	71	{
7adb9987 PW	72	.virtual = DSP_MEM_2420_VIRT,
	73	.pfn = __phys_to_pfn(DSP_MEM_2420_PHYS),
	74	.length = DSP_MEM_2420_SIZE,
cc26b3b0 SMK	75	.type = MT_DEVICE
	76	},
	77	{
7adb9987 PW	78	.virtual = DSP_IPI_2420_VIRT,
	79	.pfn = __phys_to_pfn(DSP_IPI_2420_PHYS),
	80	.length = DSP_IPI_2420_SIZE,
cc26b3b0	81	.type = MT_DEVICE
09f21ed4	82	},
cc26b3b0	83	{
7adb9987 PW	84	.virtual = DSP_MMU_2420_VIRT,
	85	.pfn = __phys_to_pfn(DSP_MMU_2420_PHYS),
	86	.length = DSP_MMU_2420_SIZE,
cc26b3b0 SMK	87	.type = MT_DEVICE
	88	},
	89	};
	90
	91	#endif
	92
59b479e0	93	#ifdef CONFIG_SOC_OMAP2430
cc26b3b0	94	static struct map_desc omap243x_io_desc[] __initdata = {
72d0f1c3 SMK	95	{
	96	.virtual = L4_WK_243X_VIRT,
	97	.pfn = __phys_to_pfn(L4_WK_243X_PHYS),
	98	.length = L4_WK_243X_SIZE,
	99	.type = MT_DEVICE
	100	},
	101	{
	102	.virtual = OMAP243X_GPMC_VIRT,
	103	.pfn = __phys_to_pfn(OMAP243X_GPMC_PHYS),
	104	.length = OMAP243X_GPMC_SIZE,
	105	.type = MT_DEVICE
	106	},
cc26b3b0 SMK	107	{
	108	.virtual = OMAP243X_SDRC_VIRT,
	109	.pfn = __phys_to_pfn(OMAP243X_SDRC_PHYS),
	110	.length = OMAP243X_SDRC_SIZE,
	111	.type = MT_DEVICE
	112	},
	113	{
	114	.virtual = OMAP243X_SMS_VIRT,
	115	.pfn = __phys_to_pfn(OMAP243X_SMS_PHYS),
	116	.length = OMAP243X_SMS_SIZE,
	117	.type = MT_DEVICE
	118	},
	119	};
72d0f1c3	120	#endif
72d0f1c3	121	#endif
cc26b3b0	122
a8eb7ca0	123	#ifdef CONFIG_ARCH_OMAP3
cc26b3b0	124	static struct map_desc omap34xx_io_desc[] __initdata = {
1dbae815	125	{
cc26b3b0 SMK	126	.virtual = L3_34XX_VIRT,
	127	.pfn = __phys_to_pfn(L3_34XX_PHYS),
	128	.length = L3_34XX_SIZE,
c40fae95 TL	129	.type = MT_DEVICE
	130	},
	131	{
cc26b3b0 SMK	132	.virtual = L4_34XX_VIRT,
	133	.pfn = __phys_to_pfn(L4_34XX_PHYS),
	134	.length = L4_34XX_SIZE,
c40fae95 TL	135	.type = MT_DEVICE
c40fae95 TL	136	},
cc26b3b0 SMK	137	{
	138	.virtual = OMAP34XX_GPMC_VIRT,
	139	.pfn = __phys_to_pfn(OMAP34XX_GPMC_PHYS),
	140	.length = OMAP34XX_GPMC_SIZE,
1dbae815	141	.type = MT_DEVICE
cc26b3b0 SMK	142	},
	143	{
	144	.virtual = OMAP343X_SMS_VIRT,
	145	.pfn = __phys_to_pfn(OMAP343X_SMS_PHYS),
	146	.length = OMAP343X_SMS_SIZE,
	147	.type = MT_DEVICE
	148	},
	149	{
	150	.virtual = OMAP343X_SDRC_VIRT,
	151	.pfn = __phys_to_pfn(OMAP343X_SDRC_PHYS),
	152	.length = OMAP343X_SDRC_SIZE,
1dbae815	153	.type = MT_DEVICE
cc26b3b0 SMK	154	},
	155	{
	156	.virtual = L4_PER_34XX_VIRT,
	157	.pfn = __phys_to_pfn(L4_PER_34XX_PHYS),
	158	.length = L4_PER_34XX_SIZE,
	159	.type = MT_DEVICE
	160	},
	161	{
	162	.virtual = L4_EMU_34XX_VIRT,
	163	.pfn = __phys_to_pfn(L4_EMU_34XX_PHYS),
	164	.length = L4_EMU_34XX_SIZE,
	165	.type = MT_DEVICE
	166	},
a4f57b81 TL	167	#if defined(CONFIG_DEBUG_LL) && \
	168	(defined(CONFIG_MACH_OMAP_ZOOM2) \|\| defined(CONFIG_MACH_OMAP_ZOOM3))
	169	{
	170	.virtual = ZOOM_UART_VIRT,
	171	.pfn = __phys_to_pfn(ZOOM_UART_BASE),
	172	.length = SZ_1M,
	173	.type = MT_DEVICE
	174	},
	175	#endif
1dbae815	176	};
cc26b3b0	177	#endif
01001712 HP	178
	179	#ifdef CONFIG_SOC_OMAPTI816X
	180	static struct map_desc omapti816x_io_desc[] __initdata = {
	181	{
	182	.virtual = L4_34XX_VIRT,
	183	.pfn = __phys_to_pfn(L4_34XX_PHYS),
	184	.length = L4_34XX_SIZE,
	185	.type = MT_DEVICE
	186	},
	187	};
	188	#endif
	189
44169075 SS	190	#ifdef CONFIG_ARCH_OMAP4
	191	static struct map_desc omap44xx_io_desc[] __initdata = {
	192	{
	193	.virtual = L3_44XX_VIRT,
	194	.pfn = __phys_to_pfn(L3_44XX_PHYS),
	195	.length = L3_44XX_SIZE,
	196	.type = MT_DEVICE,
	197	},
	198	{
	199	.virtual = L4_44XX_VIRT,
	200	.pfn = __phys_to_pfn(L4_44XX_PHYS),
	201	.length = L4_44XX_SIZE,
	202	.type = MT_DEVICE,
	203	},
44169075 SS	204	{
	205	.virtual = OMAP44XX_GPMC_VIRT,
	206	.pfn = __phys_to_pfn(OMAP44XX_GPMC_PHYS),
	207	.length = OMAP44XX_GPMC_SIZE,
	208	.type = MT_DEVICE,
	209	},
f5d2d659 SS	210	{
	211	.virtual = OMAP44XX_EMIF1_VIRT,
	212	.pfn = __phys_to_pfn(OMAP44XX_EMIF1_PHYS),
	213	.length = OMAP44XX_EMIF1_SIZE,
	214	.type = MT_DEVICE,
	215	},
	216	{
	217	.virtual = OMAP44XX_EMIF2_VIRT,
	218	.pfn = __phys_to_pfn(OMAP44XX_EMIF2_PHYS),
	219	.length = OMAP44XX_EMIF2_SIZE,
	220	.type = MT_DEVICE,
	221	},
	222	{
	223	.virtual = OMAP44XX_DMM_VIRT,
	224	.pfn = __phys_to_pfn(OMAP44XX_DMM_PHYS),
	225	.length = OMAP44XX_DMM_SIZE,
	226	.type = MT_DEVICE,
	227	},
44169075 SS	228	{
	229	.virtual = L4_PER_44XX_VIRT,
	230	.pfn = __phys_to_pfn(L4_PER_44XX_PHYS),
	231	.length = L4_PER_44XX_SIZE,
	232	.type = MT_DEVICE,
	233	},
	234	{
	235	.virtual = L4_EMU_44XX_VIRT,
	236	.pfn = __phys_to_pfn(L4_EMU_44XX_PHYS),
	237	.length = L4_EMU_44XX_SIZE,
	238	.type = MT_DEVICE,
	239	},
	240	};
	241	#endif
1dbae815	242
59b479e0	243	#ifdef CONFIG_SOC_OMAP2420
8185e468	244	void __init omap242x_map_common_io(void)
1dbae815	245	{
cc26b3b0 SMK	246	iotable_init(omap24xx_io_desc, ARRAY_SIZE(omap24xx_io_desc));
cc26b3b0 SMK	247	iotable_init(omap242x_io_desc, ARRAY_SIZE(omap242x_io_desc));
6fbd55d0	248	}
cc26b3b0 SMK	249	#endif
cc26b3b0 SMK	250
59b479e0	251	#ifdef CONFIG_SOC_OMAP2430
8185e468	252	void __init omap243x_map_common_io(void)
6fbd55d0	253	{
cc26b3b0 SMK	254	iotable_init(omap24xx_io_desc, ARRAY_SIZE(omap24xx_io_desc));
cc26b3b0 SMK	255	iotable_init(omap243x_io_desc, ARRAY_SIZE(omap243x_io_desc));
6fbd55d0	256	}
cc26b3b0 SMK	257	#endif
cc26b3b0 SMK	258
a8eb7ca0	259	#ifdef CONFIG_ARCH_OMAP3
8185e468	260	void __init omap34xx_map_common_io(void)
6fbd55d0	261	{
cc26b3b0	262	iotable_init(omap34xx_io_desc, ARRAY_SIZE(omap34xx_io_desc));
6fbd55d0	263	}
cc26b3b0	264	#endif
120db2cb	265
01001712 HP	266	#ifdef CONFIG_SOC_OMAPTI816X
	267	void __init omapti816x_map_common_io(void)
	268	{
	269	iotable_init(omapti816x_io_desc, ARRAY_SIZE(omapti816x_io_desc));
01001712 HP	270	}
	271	#endif
	272
6fbd55d0	273	#ifdef CONFIG_ARCH_OMAP4
8185e468	274	void __init omap44xx_map_common_io(void)
6fbd55d0	275	{
44169075	276	iotable_init(omap44xx_io_desc, ARRAY_SIZE(omap44xx_io_desc));
120db2cb	277	}
6fbd55d0	278	#endif
120db2cb	279
2f135eaf PW	280	/*
	281	* omap2_init_reprogram_sdrc - reprogram SDRC timing parameters
	282	*
	283	* Sets the CORE DPLL3 M2 divider to the same value that it's at
	284	* currently. This has the effect of setting the SDRC SDRAM AC timing
	285	* registers to the values currently defined by the kernel. Currently
	286	* only defined for OMAP3; will return 0 if called on OMAP2. Returns
	287	* -EINVAL if the dpll3_m2_ck cannot be found, 0 if called on OMAP2,
	288	* or passes along the return value of clk_set_rate().
	289	*/
	290	static int __init _omap2_init_reprogram_sdrc(void)
	291	{
	292	struct clk *dpll3_m2_ck;
	293	int v = -EINVAL;
	294	long rate;
	295
	296	if (!cpu_is_omap34xx())
	297	return 0;
	298
	299	dpll3_m2_ck = clk_get(NULL, "dpll3_m2_ck");
e281f7ec	300	if (IS_ERR(dpll3_m2_ck))
2f135eaf PW	301	return -EINVAL;
	302
	303	rate = clk_get_rate(dpll3_m2_ck);
	304	pr_info("Reprogramming SDRC clock to %ld Hz\n", rate);
	305	v = clk_set_rate(dpll3_m2_ck, rate);
	306	if (v)
	307	pr_err("dpll3_m2_clk rate change failed: %d\n", v);
	308
	309	clk_put(dpll3_m2_ck);
	310
	311	return v;
	312	}
	313
2092e5cc PW	314	static int _set_hwmod_postsetup_state(struct omap_hwmod oh, void data)
	315	{
	316	return omap_hwmod_set_postsetup_state(oh, (u8 )data);
	317	}
	318
741e3a89	319	/* See irq.c, omap4-common.c and entry-macro.S */
9f9605c2 RK	320	void __iomem *omap_irq_base;
9f9605c2 RK	321
7b250aff	322	static void __init omap_common_init_early(void)
120db2cb	323	{
7b250aff	324	omap2_check_revision();
8aca3ab5	325	omap_ioremap_init();
df80442d	326	omap_init_consistent_dma_size();
7b250aff	327	}
2092e5cc	328
7b250aff TL	329	static void __init omap_hwmod_init_postsetup(void)
	330	{
	331	u8 postsetup_state;
2092e5cc PW	332
	333	/* Set the default postsetup state for all hwmods */
	334	#ifdef CONFIG_PM_RUNTIME
	335	postsetup_state = _HWMOD_STATE_IDLE;
	336	#else
	337	postsetup_state = _HWMOD_STATE_ENABLED;
	338	#endif
	339	omap_hwmod_for_each(_set_hwmod_postsetup_state, &postsetup_state);
55d2cb08	340
ff2516fb PW	341	/*
	342	* Set the default postsetup state for unusual modules (like
	343	* MPU WDT).
	344	*
	345	* The postsetup_state is not actually used until
	346	* omap_hwmod_late_init(), so boards that desire full watchdog
	347	* coverage of kernel initialization can reprogram the
	348	* postsetup_state between the calls to
a4ca9dbe	349	* omap2_init_common_infra() and omap_sdrc_init().
ff2516fb PW	350	*
	351	* XXX ideally we could detect whether the MPU WDT was currently
	352	* enabled here and make this conditional
	353	*/
	354	postsetup_state = _HWMOD_STATE_DISABLED;
	355	omap_hwmod_for_each_by_class("wd_timer",
	356	_set_hwmod_postsetup_state,
	357	&postsetup_state);
	358
53da4ce2	359	omap_pm_if_early_init();
4805734b PW	360	}
4805734b PW	361
c4e2d245	362	#ifdef CONFIG_ARCH_OMAP2
8f5b5a41 TL	363	void __init omap2420_init_early(void)
8f5b5a41 TL	364	{
4c3cf901	365	omap2_set_globals_242x();
7b250aff TL	366	omap_common_init_early();
	367	omap2xxx_voltagedomains_init();
	368	omap242x_powerdomains_init();
	369	omap242x_clockdomains_init();
	370	omap2420_hwmod_init();
	371	omap_hwmod_init_postsetup();
	372	omap2420_clk_init();
8f5b5a41 TL	373	}
	374
	375	void __init omap2430_init_early(void)
	376	{
4c3cf901	377	omap2_set_globals_243x();
7b250aff TL	378	omap_common_init_early();
	379	omap2xxx_voltagedomains_init();
	380	omap243x_powerdomains_init();
	381	omap243x_clockdomains_init();
	382	omap2430_hwmod_init();
	383	omap_hwmod_init_postsetup();
	384	omap2430_clk_init();
	385	}
c4e2d245	386	#endif
7b250aff TL	387
	388	/*
	389	* Currently only board-omap3beagle.c should call this because of the
	390	* same machine_id for 34xx and 36xx beagle.. Will get fixed with DT.
	391	*/
c4e2d245	392	#ifdef CONFIG_ARCH_OMAP3
7b250aff TL	393	void __init omap3_init_early(void)
7b250aff TL	394	{
4c3cf901	395	omap2_set_globals_3xxx();
7b250aff TL	396	omap_common_init_early();
	397	omap3xxx_voltagedomains_init();
	398	omap3xxx_powerdomains_init();
	399	omap3xxx_clockdomains_init();
	400	omap3xxx_hwmod_init();
	401	omap_hwmod_init_postsetup();
	402	omap3xxx_clk_init();
8f5b5a41 TL	403	}
	404
	405	void __init omap3430_init_early(void)
	406	{
7b250aff	407	omap3_init_early();
8f5b5a41 TL	408	}
	409
	410	void __init omap35xx_init_early(void)
	411	{
7b250aff	412	omap3_init_early();
8f5b5a41 TL	413	}
	414
	415	void __init omap3630_init_early(void)
	416	{
7b250aff	417	omap3_init_early();
8f5b5a41 TL	418	}
	419
	420	void __init am35xx_init_early(void)
	421	{
7b250aff	422	omap3_init_early();
8f5b5a41 TL	423	}
	424
	425	void __init ti816x_init_early(void)
	426	{
4c3cf901 TL	427	omap2_set_globals_ti816x();
	428	omap_common_init_early();
	429	omap3xxx_voltagedomains_init();
	430	omap3xxx_powerdomains_init();
	431	omap3xxx_clockdomains_init();
	432	omap3xxx_hwmod_init();
	433	omap_hwmod_init_postsetup();
	434	omap3xxx_clk_init();
8f5b5a41	435	}
c4e2d245	436	#endif
8f5b5a41	437
c4e2d245	438	#ifdef CONFIG_ARCH_OMAP4
8f5b5a41 TL	439	void __init omap4430_init_early(void)
8f5b5a41 TL	440	{
4c3cf901	441	omap2_set_globals_443x();
7b250aff TL	442	omap_common_init_early();
	443	omap44xx_voltagedomains_init();
	444	omap44xx_powerdomains_init();
	445	omap44xx_clockdomains_init();
	446	omap44xx_hwmod_init();
	447	omap_hwmod_init_postsetup();
	448	omap4xxx_clk_init();
8f5b5a41	449	}
c4e2d245	450	#endif
8f5b5a41	451
a4ca9dbe	452	void __init omap_sdrc_init(struct omap_sdrc_params *sdrc_cs0,
4805734b PW	453	struct omap_sdrc_params *sdrc_cs1)
4805734b PW	454	{
a66cb345 TL	455	omap_sram_init();
a66cb345 TL	456
01001712	457	if (cpu_is_omap24xx() \|\| omap3_has_sdrc()) {
aa4b1f6e KH	458	omap2_sdrc_init(sdrc_cs0, sdrc_cs1);
	459	_omap2_init_reprogram_sdrc();
	460	}
1dbae815	461	}
df1e9d1c TL	462
	463	/*
	464	* NOTE: Please use ioremap + __raw_read/write where possible instead of these
	465	*/
	466
	467	u8 omap_readb(u32 pa)
	468	{
	469	return __raw_readb(OMAP2_L4_IO_ADDRESS(pa));
	470	}
	471	EXPORT_SYMBOL(omap_readb);
	472
	473	u16 omap_readw(u32 pa)
	474	{
	475	return __raw_readw(OMAP2_L4_IO_ADDRESS(pa));
	476	}
	477	EXPORT_SYMBOL(omap_readw);
	478
	479	u32 omap_readl(u32 pa)
	480	{
	481	return __raw_readl(OMAP2_L4_IO_ADDRESS(pa));
	482	}
	483	EXPORT_SYMBOL(omap_readl);
	484
	485	void omap_writeb(u8 v, u32 pa)
	486	{
	487	__raw_writeb(v, OMAP2_L4_IO_ADDRESS(pa));
	488	}
	489	EXPORT_SYMBOL(omap_writeb);
	490
	491	void omap_writew(u16 v, u32 pa)
	492	{
	493	__raw_writew(v, OMAP2_L4_IO_ADDRESS(pa));
	494	}
	495	EXPORT_SYMBOL(omap_writew);
	496
	497	void omap_writel(u32 v, u32 pa)
	498	{
	499	__raw_writel(v, OMAP2_L4_IO_ADDRESS(pa));
	500	}
	501	EXPORT_SYMBOL(omap_writel);