[deliverable/linux.git] / arch / arm / mach-vexpress / v2m.c

/*
 * Versatile Express V2M Motherboard Support
 */
#include <linux/device.h>
#include <linux/amba/bus.h>
#include <linux/amba/mmci.h>
#include <linux/io.h>
#include <linux/smp.h>
#include <linux/init.h>
#include <linux/of_address.h>
#include <linux/of_fdt.h>
#include <linux/of_irq.h>
#include <linux/of_platform.h>
#include <linux/platform_device.h>
#include <linux/ata_platform.h>
#include <linux/smsc911x.h>
#include <linux/spinlock.h>
#include <linux/usb/isp1760.h>
#include <linux/mtd/physmap.h>
#include <linux/regulator/fixed.h>
#include <linux/regulator/machine.h>
#include <linux/vexpress.h>
#include <linux/clkdev.h>

#include <asm/mach-types.h>
#include <asm/sizes.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <asm/mach/time.h>
#include <asm/hardware/arm_timer.h>
#include <asm/hardware/cache-l2x0.h>
#include <asm/hardware/timer-sp.h>

#include <mach/ct-ca9x4.h>
#include <mach/motherboard.h>

#include <plat/sched_clock.h>
#include <plat/platsmp.h>

#include "core.h"

#define V2M_PA_CS0	0x40000000
#define V2M_PA_CS1	0x44000000
#define V2M_PA_CS2	0x48000000
#define V2M_PA_CS3	0x4c000000
#define V2M_PA_CS7	0x10000000

static struct map_desc v2m_io_desc[] __initdata = {
	{
		.virtual	= V2M_PERIPH,
		.pfn		= __phys_to_pfn(V2M_PA_CS7),
		.length		= SZ_128K,
		.type		= MT_DEVICE,
	},
};

static void __init v2m_sp804_init(void __iomem *base, unsigned int irq)
{
	if (WARN_ON(!base || irq == NO_IRQ))
		return;

	sp804_clocksource_init(base + TIMER_2_BASE, "v2m-timer1");
	sp804_clockevents_init(base + TIMER_1_BASE, irq, "v2m-timer0");
}


static struct resource v2m_pcie_i2c_resource = {
	.start	= V2M_SERIAL_BUS_PCI,
	.end	= V2M_SERIAL_BUS_PCI + SZ_4K - 1,
	.flags	= IORESOURCE_MEM,
};

static struct platform_device v2m_pcie_i2c_device = {
	.name		= "versatile-i2c",
	.id		= 0,
	.num_resources	= 1,
	.resource	= &v2m_pcie_i2c_resource,
};

static struct resource v2m_ddc_i2c_resource = {
	.start	= V2M_SERIAL_BUS_DVI,
	.end	= V2M_SERIAL_BUS_DVI + SZ_4K - 1,
	.flags	= IORESOURCE_MEM,
};

static struct platform_device v2m_ddc_i2c_device = {
	.name		= "versatile-i2c",
	.id		= 1,
	.num_resources	= 1,
	.resource	= &v2m_ddc_i2c_resource,
};

static struct resource v2m_eth_resources[] = {
	{
		.start	= V2M_LAN9118,
		.end	= V2M_LAN9118 + SZ_64K - 1,
		.flags	= IORESOURCE_MEM,
	}, {
		.start	= IRQ_V2M_LAN9118,
		.end	= IRQ_V2M_LAN9118,
		.flags	= IORESOURCE_IRQ,
	},
};

static struct smsc911x_platform_config v2m_eth_config = {
	.flags		= SMSC911X_USE_32BIT,
	.irq_polarity	= SMSC911X_IRQ_POLARITY_ACTIVE_HIGH,
	.irq_type	= SMSC911X_IRQ_TYPE_PUSH_PULL,
	.phy_interface	= PHY_INTERFACE_MODE_MII,
};

static struct platform_device v2m_eth_device = {
	.name		= "smsc911x",
	.id		= -1,
	.resource	= v2m_eth_resources,
	.num_resources	= ARRAY_SIZE(v2m_eth_resources),
	.dev.platform_data = &v2m_eth_config,
};

static struct regulator_consumer_supply v2m_eth_supplies[] = {
	REGULATOR_SUPPLY("vddvario", "smsc911x"),
	REGULATOR_SUPPLY("vdd33a", "smsc911x"),
};

static struct resource v2m_usb_resources[] = {
	{
		.start	= V2M_ISP1761,
		.end	= V2M_ISP1761 + SZ_128K - 1,
		.flags	= IORESOURCE_MEM,
	}, {
		.start	= IRQ_V2M_ISP1761,
		.end	= IRQ_V2M_ISP1761,
		.flags	= IORESOURCE_IRQ,
	},
};

static struct isp1760_platform_data v2m_usb_config = {
	.is_isp1761		= true,
	.bus_width_16		= false,
	.port1_otg		= true,
	.analog_oc		= false,
	.dack_polarity_high	= false,
	.dreq_polarity_high	= false,
};

static struct platform_device v2m_usb_device = {
	.name		= "isp1760",
	.id		= -1,
	.resource	= v2m_usb_resources,
	.num_resources	= ARRAY_SIZE(v2m_usb_resources),
	.dev.platform_data = &v2m_usb_config,
};

static struct physmap_flash_data v2m_flash_data = {
	.width		= 4,
};

static struct resource v2m_flash_resources[] = {
	{
		.start	= V2M_NOR0,
		.end	= V2M_NOR0 + SZ_64M - 1,
		.flags	= IORESOURCE_MEM,
	}, {
		.start	= V2M_NOR1,
		.end	= V2M_NOR1 + SZ_64M - 1,
		.flags	= IORESOURCE_MEM,
	},
};

static struct platform_device v2m_flash_device = {
	.name		= "physmap-flash",
	.id		= -1,
	.resource	= v2m_flash_resources,
	.num_resources	= ARRAY_SIZE(v2m_flash_resources),
	.dev.platform_data = &v2m_flash_data,
};

static struct pata_platform_info v2m_pata_data = {
	.ioport_shift	= 2,
};

static struct resource v2m_pata_resources[] = {
	{
		.start	= V2M_CF,
		.end	= V2M_CF + 0xff,
		.flags	= IORESOURCE_MEM,
	}, {
		.start	= V2M_CF + 0x100,
		.end	= V2M_CF + SZ_4K - 1,
		.flags	= IORESOURCE_MEM,
	},
};

static struct platform_device v2m_cf_device = {
	.name		= "pata_platform",
	.id		= -1,
	.resource	= v2m_pata_resources,
	.num_resources	= ARRAY_SIZE(v2m_pata_resources),
	.dev.platform_data = &v2m_pata_data,
};

static struct mmci_platform_data v2m_mmci_data = {
	.ocr_mask	= MMC_VDD_32_33|MMC_VDD_33_34,
	.gpio_wp	= VEXPRESS_GPIO_MMC_WPROT,
	.gpio_cd	= VEXPRESS_GPIO_MMC_CARDIN,
};

static struct resource v2m_sysreg_resources[] = {
	{
		.start	= V2M_SYSREGS,
		.end	= V2M_SYSREGS + 0xfff,
		.flags	= IORESOURCE_MEM,
	},
};

static struct platform_device v2m_sysreg_device = {
	.name		= "vexpress-sysreg",
	.id		= -1,
	.resource	= v2m_sysreg_resources,
	.num_resources	= ARRAY_SIZE(v2m_sysreg_resources),
};

static struct platform_device v2m_muxfpga_device = {
	.name		= "vexpress-muxfpga",
	.id		= 0,
	.num_resources	= 1,
	.resource	= (struct resource []) {
		VEXPRESS_RES_FUNC(0, 7),
	}
};

static struct platform_device v2m_shutdown_device = {
	.name		= "vexpress-shutdown",
	.id		= 0,
	.num_resources	= 1,
	.resource	= (struct resource []) {
		VEXPRESS_RES_FUNC(0, 8),
	}
};

static struct platform_device v2m_reboot_device = {
	.name		= "vexpress-reboot",
	.id		= 0,
	.num_resources	= 1,
	.resource	= (struct resource []) {
		VEXPRESS_RES_FUNC(0, 9),
	}
};

static struct platform_device v2m_dvimode_device = {
	.name		= "vexpress-dvimode",
	.id		= 0,
	.num_resources	= 1,
	.resource	= (struct resource []) {
		VEXPRESS_RES_FUNC(0, 11),
	}
};

static AMBA_APB_DEVICE(aaci,  "mb:aaci",  0, V2M_AACI, IRQ_V2M_AACI, NULL);
static AMBA_APB_DEVICE(mmci,  "mb:mmci",  0, V2M_MMCI, IRQ_V2M_MMCI, &v2m_mmci_data);
static AMBA_APB_DEVICE(kmi0,  "mb:kmi0",  0, V2M_KMI0, IRQ_V2M_KMI0, NULL);
static AMBA_APB_DEVICE(kmi1,  "mb:kmi1",  0, V2M_KMI1, IRQ_V2M_KMI1, NULL);
static AMBA_APB_DEVICE(uart0, "mb:uart0", 0, V2M_UART0, IRQ_V2M_UART0, NULL);
static AMBA_APB_DEVICE(uart1, "mb:uart1", 0, V2M_UART1, IRQ_V2M_UART1, NULL);
static AMBA_APB_DEVICE(uart2, "mb:uart2", 0, V2M_UART2, IRQ_V2M_UART2, NULL);
static AMBA_APB_DEVICE(uart3, "mb:uart3", 0, V2M_UART3, IRQ_V2M_UART3, NULL);
static AMBA_APB_DEVICE(wdt,   "mb:wdt",   0, V2M_WDT, IRQ_V2M_WDT, NULL);
static AMBA_APB_DEVICE(rtc,   "mb:rtc",   0, V2M_RTC, IRQ_V2M_RTC, NULL);

static struct amba_device *v2m_amba_devs[] __initdata = {
	&aaci_device,
	&mmci_device,
	&kmi0_device,
	&kmi1_device,
	&uart0_device,
	&uart1_device,
	&uart2_device,
	&uart3_device,
	&wdt_device,
	&rtc_device,
};

static void __init v2m_timer_init(void)
{
	vexpress_clk_init(ioremap(V2M_SYSCTL, SZ_4K));
	v2m_sp804_init(ioremap(V2M_TIMER01, SZ_4K), IRQ_V2M_TIMER0);
}

static void __init v2m_init_early(void)
{
	if (ct_desc->init_early)
		ct_desc->init_early();
	versatile_sched_clock_init(vexpress_get_24mhz_clock_base(), 24000000);
}

struct ct_desc *ct_desc;

static struct ct_desc *ct_descs[] __initdata = {
#ifdef CONFIG_ARCH_VEXPRESS_CA9X4
	&ct_ca9x4_desc,
#endif
};

static void __init v2m_populate_ct_desc(void)
{
	int i;
	u32 current_tile_id;

	ct_desc = NULL;
	current_tile_id = vexpress_get_procid(VEXPRESS_SITE_MASTER)
				& V2M_CT_ID_MASK;

	for (i = 0; i < ARRAY_SIZE(ct_descs) && !ct_desc; ++i)
		if (ct_descs[i]->id == current_tile_id)
			ct_desc = ct_descs[i];

	if (!ct_desc)
		panic("vexpress: this kernel does not support core tile ID 0x%08x when booting via ATAGs.\n"
		      "You may need a device tree blob or a different kernel to boot on this board.\n",
		      current_tile_id);
}

static void __init v2m_map_io(void)
{
	iotable_init(v2m_io_desc, ARRAY_SIZE(v2m_io_desc));
	vexpress_sysreg_early_init(ioremap(V2M_SYSREGS, SZ_4K));
	v2m_populate_ct_desc();
	ct_desc->map_io();
}

static void __init v2m_init_irq(void)
{
	ct_desc->init_irq();
}

static void __init v2m_init(void)
{
	int i;

	regulator_register_fixed(0, v2m_eth_supplies,
			ARRAY_SIZE(v2m_eth_supplies));

	platform_device_register(&v2m_sysreg_device);
	platform_device_register(&v2m_pcie_i2c_device);
	platform_device_register(&v2m_ddc_i2c_device);
	platform_device_register(&v2m_flash_device);
	platform_device_register(&v2m_cf_device);
	platform_device_register(&v2m_eth_device);
	platform_device_register(&v2m_usb_device);

	for (i = 0; i < ARRAY_SIZE(v2m_amba_devs); i++)
		amba_device_register(v2m_amba_devs[i], &iomem_resource);

	vexpress_sysreg_config_device_register(&v2m_muxfpga_device);
	vexpress_sysreg_config_device_register(&v2m_shutdown_device);
	vexpress_sysreg_config_device_register(&v2m_reboot_device);
	vexpress_sysreg_config_device_register(&v2m_dvimode_device);

	ct_desc->init_tile();
}

MACHINE_START(VEXPRESS, "ARM-Versatile Express")
	.atag_offset	= 0x100,
	.smp		= smp_ops(vexpress_smp_ops),
	.map_io		= v2m_map_io,
	.init_early	= v2m_init_early,
	.init_irq	= v2m_init_irq,
	.init_time	= v2m_timer_init,
	.init_machine	= v2m_init,
MACHINE_END

static struct map_desc v2m_rs1_io_desc __initdata = {
	.virtual	= V2M_PERIPH,
	.pfn		= __phys_to_pfn(0x1c000000),
	.length		= SZ_2M,
	.type		= MT_DEVICE,
};

static int __init v2m_dt_scan_memory_map(unsigned long node, const char *uname,
		int depth, void *data)
{
	const char **map = data;

	if (strcmp(uname, "motherboard") != 0)
		return 0;

	*map = of_get_flat_dt_prop(node, "arm,v2m-memory-map", NULL);

	return 1;
}

void __init v2m_dt_map_io(void)
{
	const char *map = NULL;

	of_scan_flat_dt(v2m_dt_scan_memory_map, &map);

	if (map && strcmp(map, "rs1") == 0)
		iotable_init(&v2m_rs1_io_desc, 1);
	else
		iotable_init(v2m_io_desc, ARRAY_SIZE(v2m_io_desc));

#if defined(CONFIG_SMP)
	vexpress_dt_smp_map_io();
#endif
}

void __init v2m_dt_init_early(void)
{
	u32 dt_hbi;

	vexpress_sysreg_of_early_init();

	/* Confirm board type against DT property, if available */
	if (of_property_read_u32(of_allnodes, "arm,hbi", &dt_hbi) == 0) {
		u32 hbi = vexpress_get_hbi(VEXPRESS_SITE_MASTER);

		if (WARN_ON(dt_hbi != hbi))
			pr_warning("vexpress: DT HBI (%x) is not matching "
					"hardware (%x)!\n", dt_hbi, hbi);
	}

	versatile_sched_clock_init(vexpress_get_24mhz_clock_base(), 24000000);
}


static void __init v2m_dt_init(void)
{
	l2x0_of_init(0x00400000, 0xfe0fffff);
	of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
}

static const char * const v2m_dt_match[] __initconst = {
	"arm,vexpress",
	NULL,
};

DT_MACHINE_START(VEXPRESS_DT, "ARM-Versatile Express")
	.dt_compat	= v2m_dt_match,
	.smp		= smp_ops(vexpress_smp_ops),
	.smp_init	= smp_init_ops(vexpress_smp_init_ops),
	.map_io		= v2m_dt_map_io,
	.init_early	= v2m_dt_init_early,
	.init_machine	= v2m_dt_init,
MACHINE_END
Commit	Line	Data
ceade897 RK	1	/*
	2	* Versatile Express V2M Motherboard Support
	3	*/
	4	#include <linux/device.h>
	5	#include <linux/amba/bus.h>
	6	#include <linux/amba/mmci.h>
	7	#include <linux/io.h>
3695adc2	8	#include <linux/smp.h>
ceade897	9	#include <linux/init.h>
8deed178 PM	10	#include <linux/of_address.h>
	11	#include <linux/of_fdt.h>
	12	#include <linux/of_irq.h>
	13	#include <linux/of_platform.h>
ceade897	14	#include <linux/platform_device.h>
95c34f83	15	#include <linux/ata_platform.h>
ceade897 RK	16	#include <linux/smsc911x.h>
ceade897 RK	17	#include <linux/spinlock.h>
ceade897	18	#include <linux/usb/isp1760.h>
0f71fd49	19	#include <linux/mtd/physmap.h>
b2a54ff0 PM	20	#include <linux/regulator/fixed.h>
b2a54ff0 PM	21	#include <linux/regulator/machine.h>
38669e04	22	#include <linux/vexpress.h>
6e973d2c	23	#include <linux/clkdev.h>
ceade897	24
80b5efbd	25	#include <asm/mach-types.h>
ceade897	26	#include <asm/sizes.h>
80b5efbd	27	#include <asm/mach/arch.h>
ceade897 RK	28	#include <asm/mach/map.h>
	29	#include <asm/mach/time.h>
	30	#include <asm/hardware/arm_timer.h>
8deed178	31	#include <asm/hardware/cache-l2x0.h>
58daf18c	32	#include <asm/hardware/timer-sp.h>
ceade897	33
80b5efbd	34	#include <mach/ct-ca9x4.h>
ceade897 RK	35	#include <mach/motherboard.h>
ceade897 RK	36
0af85dda	37	#include <plat/sched_clock.h>
3695adc2	38	#include <plat/platsmp.h>
ceade897 RK	39
	40	#include "core.h"
	41
	42	#define V2M_PA_CS0 0x40000000
	43	#define V2M_PA_CS1 0x44000000
	44	#define V2M_PA_CS2 0x48000000
	45	#define V2M_PA_CS3 0x4c000000
	46	#define V2M_PA_CS7 0x10000000
	47
	48	static struct map_desc v2m_io_desc[] __initdata = {
	49	{
98ed4ceb	50	.virtual = V2M_PERIPH,
ceade897 RK	51	.pfn = __phys_to_pfn(V2M_PA_CS7),
	52	.length = SZ_128K,
	53	.type = MT_DEVICE,
	54	},
	55	};
	56
98ed4ceb PM	57	static void __init v2m_sp804_init(void __iomem *base, unsigned int irq)
	58	{
	59	if (WARN_ON(!base \|\| irq == NO_IRQ))
	60	return;
	61
98ed4ceb PM	62	sp804_clocksource_init(base + TIMER_2_BASE, "v2m-timer1");
	63	sp804_clockevents_init(base + TIMER_1_BASE, irq, "v2m-timer0");
	64	}
ceade897	65
ceade897	66
ceade897 RK	67	static struct resource v2m_pcie_i2c_resource = {
	68	.start = V2M_SERIAL_BUS_PCI,
	69	.end = V2M_SERIAL_BUS_PCI + SZ_4K - 1,
	70	.flags = IORESOURCE_MEM,
	71	};
	72
	73	static struct platform_device v2m_pcie_i2c_device = {
	74	.name = "versatile-i2c",
	75	.id = 0,
	76	.num_resources = 1,
	77	.resource = &v2m_pcie_i2c_resource,
	78	};
	79
	80	static struct resource v2m_ddc_i2c_resource = {
	81	.start = V2M_SERIAL_BUS_DVI,
	82	.end = V2M_SERIAL_BUS_DVI + SZ_4K - 1,
	83	.flags = IORESOURCE_MEM,
	84	};
	85
	86	static struct platform_device v2m_ddc_i2c_device = {
	87	.name = "versatile-i2c",
	88	.id = 1,
	89	.num_resources = 1,
	90	.resource = &v2m_ddc_i2c_resource,
	91	};
	92
	93	static struct resource v2m_eth_resources[] = {
	94	{
	95	.start = V2M_LAN9118,
	96	.end = V2M_LAN9118 + SZ_64K - 1,
	97	.flags = IORESOURCE_MEM,
	98	}, {
	99	.start = IRQ_V2M_LAN9118,
	100	.end = IRQ_V2M_LAN9118,
	101	.flags = IORESOURCE_IRQ,
	102	},
	103	};
	104
	105	static struct smsc911x_platform_config v2m_eth_config = {
	106	.flags = SMSC911X_USE_32BIT,
	107	.irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_HIGH,
	108	.irq_type = SMSC911X_IRQ_TYPE_PUSH_PULL,
	109	.phy_interface = PHY_INTERFACE_MODE_MII,
	110	};
	111
	112	static struct platform_device v2m_eth_device = {
	113	.name = "smsc911x",
	114	.id = -1,
	115	.resource = v2m_eth_resources,
	116	.num_resources = ARRAY_SIZE(v2m_eth_resources),
	117	.dev.platform_data = &v2m_eth_config,
	118	};
	119
b2a54ff0 PM	120	static struct regulator_consumer_supply v2m_eth_supplies[] = {
	121	REGULATOR_SUPPLY("vddvario", "smsc911x"),
	122	REGULATOR_SUPPLY("vdd33a", "smsc911x"),
	123	};
	124
ceade897 RK	125	static struct resource v2m_usb_resources[] = {
	126	{
	127	.start = V2M_ISP1761,
	128	.end = V2M_ISP1761 + SZ_128K - 1,
	129	.flags = IORESOURCE_MEM,
	130	}, {
	131	.start = IRQ_V2M_ISP1761,
	132	.end = IRQ_V2M_ISP1761,
	133	.flags = IORESOURCE_IRQ,
	134	},
	135	};
	136
	137	static struct isp1760_platform_data v2m_usb_config = {
	138	.is_isp1761 = true,
	139	.bus_width_16 = false,
	140	.port1_otg = true,
	141	.analog_oc = false,
	142	.dack_polarity_high = false,
	143	.dreq_polarity_high = false,
	144	};
	145
	146	static struct platform_device v2m_usb_device = {
	147	.name = "isp1760",
	148	.id = -1,
	149	.resource = v2m_usb_resources,
	150	.num_resources = ARRAY_SIZE(v2m_usb_resources),
	151	.dev.platform_data = &v2m_usb_config,
	152	};
	153
0f71fd49	154	static struct physmap_flash_data v2m_flash_data = {
ceade897	155	.width = 4,
ceade897 RK	156	};
	157
	158	static struct resource v2m_flash_resources[] = {
	159	{
	160	.start = V2M_NOR0,
	161	.end = V2M_NOR0 + SZ_64M - 1,
	162	.flags = IORESOURCE_MEM,
	163	}, {
	164	.start = V2M_NOR1,
	165	.end = V2M_NOR1 + SZ_64M - 1,
	166	.flags = IORESOURCE_MEM,
	167	},
	168	};
	169
	170	static struct platform_device v2m_flash_device = {
0f71fd49	171	.name = "physmap-flash",
ceade897 RK	172	.id = -1,
	173	.resource = v2m_flash_resources,
	174	.num_resources = ARRAY_SIZE(v2m_flash_resources),
	175	.dev.platform_data = &v2m_flash_data,
	176	};
	177
95c34f83 NB	178	static struct pata_platform_info v2m_pata_data = {
	179	.ioport_shift = 2,
	180	};
	181
	182	static struct resource v2m_pata_resources[] = {
	183	{
	184	.start = V2M_CF,
	185	.end = V2M_CF + 0xff,
	186	.flags = IORESOURCE_MEM,
	187	}, {
	188	.start = V2M_CF + 0x100,
	189	.end = V2M_CF + SZ_4K - 1,
	190	.flags = IORESOURCE_MEM,
	191	},
	192	};
	193
	194	static struct platform_device v2m_cf_device = {
	195	.name = "pata_platform",
	196	.id = -1,
	197	.resource = v2m_pata_resources,
	198	.num_resources = ARRAY_SIZE(v2m_pata_resources),
	199	.dev.platform_data = &v2m_pata_data,
	200	};
ceade897	201
ceade897 RK	202	static struct mmci_platform_data v2m_mmci_data = {
ceade897 RK	203	.ocr_mask = MMC_VDD_32_33\|MMC_VDD_33_34,
38669e04 PM	204	.gpio_wp = VEXPRESS_GPIO_MMC_WPROT,
	205	.gpio_cd = VEXPRESS_GPIO_MMC_CARDIN,
	206	};
	207
	208	static struct resource v2m_sysreg_resources[] = {
	209	{
	210	.start = V2M_SYSREGS,
	211	.end = V2M_SYSREGS + 0xfff,
	212	.flags = IORESOURCE_MEM,
	213	},
	214	};
	215
	216	static struct platform_device v2m_sysreg_device = {
	217	.name = "vexpress-sysreg",
	218	.id = -1,
	219	.resource = v2m_sysreg_resources,
	220	.num_resources = ARRAY_SIZE(v2m_sysreg_resources),
	221	};
	222
	223	static struct platform_device v2m_muxfpga_device = {
	224	.name = "vexpress-muxfpga",
	225	.id = 0,
	226	.num_resources = 1,
	227	.resource = (struct resource []) {
	228	VEXPRESS_RES_FUNC(0, 7),
	229	}
	230	};
	231
	232	static struct platform_device v2m_shutdown_device = {
	233	.name = "vexpress-shutdown",
	234	.id = 0,
	235	.num_resources = 1,
	236	.resource = (struct resource []) {
	237	VEXPRESS_RES_FUNC(0, 8),
	238	}
	239	};
	240
	241	static struct platform_device v2m_reboot_device = {
	242	.name = "vexpress-reboot",
	243	.id = 0,
	244	.num_resources = 1,
	245	.resource = (struct resource []) {
	246	VEXPRESS_RES_FUNC(0, 9),
	247	}
	248	};
	249
	250	static struct platform_device v2m_dvimode_device = {
	251	.name = "vexpress-dvimode",
	252	.id = 0,
	253	.num_resources = 1,
	254	.resource = (struct resource []) {
	255	VEXPRESS_RES_FUNC(0, 11),
	256	}
ceade897 RK	257	};
ceade897 RK	258
cdd4e1a7 RK	259	static AMBA_APB_DEVICE(aaci, "mb:aaci", 0, V2M_AACI, IRQ_V2M_AACI, NULL);
	260	static AMBA_APB_DEVICE(mmci, "mb:mmci", 0, V2M_MMCI, IRQ_V2M_MMCI, &v2m_mmci_data);
	261	static AMBA_APB_DEVICE(kmi0, "mb:kmi0", 0, V2M_KMI0, IRQ_V2M_KMI0, NULL);
	262	static AMBA_APB_DEVICE(kmi1, "mb:kmi1", 0, V2M_KMI1, IRQ_V2M_KMI1, NULL);
	263	static AMBA_APB_DEVICE(uart0, "mb:uart0", 0, V2M_UART0, IRQ_V2M_UART0, NULL);
	264	static AMBA_APB_DEVICE(uart1, "mb:uart1", 0, V2M_UART1, IRQ_V2M_UART1, NULL);
	265	static AMBA_APB_DEVICE(uart2, "mb:uart2", 0, V2M_UART2, IRQ_V2M_UART2, NULL);
	266	static AMBA_APB_DEVICE(uart3, "mb:uart3", 0, V2M_UART3, IRQ_V2M_UART3, NULL);
	267	static AMBA_APB_DEVICE(wdt, "mb:wdt", 0, V2M_WDT, IRQ_V2M_WDT, NULL);
	268	static AMBA_APB_DEVICE(rtc, "mb:rtc", 0, V2M_RTC, IRQ_V2M_RTC, NULL);
ceade897 RK	269
	270	static struct amba_device *v2m_amba_devs[] __initdata = {
	271	&aaci_device,
	272	&mmci_device,
	273	&kmi0_device,
	274	&kmi1_device,
	275	&uart0_device,
	276	&uart1_device,
	277	&uart2_device,
	278	&uart3_device,
	279	&wdt_device,
	280	&rtc_device,
	281	};
	282
d1b8a775 PM	283	static void __init v2m_timer_init(void)
d1b8a775 PM	284	{
38669e04	285	vexpress_clk_init(ioremap(V2M_SYSCTL, SZ_4K));
d1b8a775 PM	286	v2m_sp804_init(ioremap(V2M_TIMER01, SZ_4K), IRQ_V2M_TIMER0);
	287	}
	288
2fdf9993 RH	289	static void __init v2m_init_early(void)
2fdf9993 RH	290	{
d1b8a775 PM	291	if (ct_desc->init_early)
d1b8a775 PM	292	ct_desc->init_early();
38669e04	293	versatile_sched_clock_init(vexpress_get_24mhz_clock_base(), 24000000);
ceade897 RK	294	}
ceade897 RK	295
80b5efbd WD	296	struct ct_desc *ct_desc;
	297
	298	static struct ct_desc *ct_descs[] __initdata = {
	299	#ifdef CONFIG_ARCH_VEXPRESS_CA9X4
	300	&ct_ca9x4_desc,
	301	#endif
	302	};
	303
	304	static void __init v2m_populate_ct_desc(void)
	305	{
	306	int i;
	307	u32 current_tile_id;
	308
	309	ct_desc = NULL;
38669e04	310	current_tile_id = vexpress_get_procid(VEXPRESS_SITE_MASTER)
98ed4ceb	311	& V2M_CT_ID_MASK;
80b5efbd WD	312
	313	for (i = 0; i < ARRAY_SIZE(ct_descs) && !ct_desc; ++i)
	314	if (ct_descs[i]->id == current_tile_id)
	315	ct_desc = ct_descs[i];
	316
	317	if (!ct_desc)
8deed178 PM	318	panic("vexpress: this kernel does not support core tile ID 0x%08x when booting via ATAGs.\n"
	319	"You may need a device tree blob or a different kernel to boot on this board.\n",
	320	current_tile_id);
80b5efbd WD	321	}
	322
	323	static void __init v2m_map_io(void)
	324	{
	325	iotable_init(v2m_io_desc, ARRAY_SIZE(v2m_io_desc));
38669e04	326	vexpress_sysreg_early_init(ioremap(V2M_SYSREGS, SZ_4K));
80b5efbd WD	327	v2m_populate_ct_desc();
	328	ct_desc->map_io();
	329	}
	330
	331	static void __init v2m_init_irq(void)
	332	{
	333	ct_desc->init_irq();
	334	}
	335
	336	static void __init v2m_init(void)
ceade897 RK	337	{
	338	int i;
	339
b2a54ff0 PM	340	regulator_register_fixed(0, v2m_eth_supplies,
	341	ARRAY_SIZE(v2m_eth_supplies));
	342
38669e04	343	platform_device_register(&v2m_sysreg_device);
ceade897 RK	344	platform_device_register(&v2m_pcie_i2c_device);
	345	platform_device_register(&v2m_ddc_i2c_device);
	346	platform_device_register(&v2m_flash_device);
95c34f83	347	platform_device_register(&v2m_cf_device);
ceade897 RK	348	platform_device_register(&v2m_eth_device);
	349	platform_device_register(&v2m_usb_device);
	350
	351	for (i = 0; i < ARRAY_SIZE(v2m_amba_devs); i++)
	352	amba_device_register(v2m_amba_devs[i], &iomem_resource);
	353
3b9334ac PM	354	vexpress_sysreg_config_device_register(&v2m_muxfpga_device);
	355	vexpress_sysreg_config_device_register(&v2m_shutdown_device);
	356	vexpress_sysreg_config_device_register(&v2m_reboot_device);
	357	vexpress_sysreg_config_device_register(&v2m_dvimode_device);
	358
80b5efbd	359	ct_desc->init_tile();
ceade897	360	}
80b5efbd WD	361
80b5efbd WD	362	MACHINE_START(VEXPRESS, "ARM-Versatile Express")
e9ce8e5b	363	.atag_offset = 0x100,
3695adc2	364	.smp = smp_ops(vexpress_smp_ops),
80b5efbd WD	365	.map_io = v2m_map_io,
	366	.init_early = v2m_init_early,
	367	.init_irq = v2m_init_irq,
6bb27d73	368	.init_time = v2m_timer_init,
80b5efbd WD	369	.init_machine = v2m_init,
80b5efbd WD	370	MACHINE_END
8deed178	371
6a371956 PM	372	static struct map_desc v2m_rs1_io_desc __initdata = {
	373	.virtual = V2M_PERIPH,
	374	.pfn = __phys_to_pfn(0x1c000000),
	375	.length = SZ_2M,
	376	.type = MT_DEVICE,
	377	};
	378
	379	static int __init v2m_dt_scan_memory_map(unsigned long node, const char *uname,
	380	int depth, void *data)
	381	{
	382	const char **map = data;
	383
	384	if (strcmp(uname, "motherboard") != 0)
	385	return 0;
	386
	387	*map = of_get_flat_dt_prop(node, "arm,v2m-memory-map", NULL);
	388
	389	return 1;
	390	}
	391
8deed178 PM	392	void __init v2m_dt_map_io(void)
8deed178 PM	393	{
6a371956 PM	394	const char *map = NULL;
	395
	396	of_scan_flat_dt(v2m_dt_scan_memory_map, &map);
	397
	398	if (map && strcmp(map, "rs1") == 0)
	399	iotable_init(&v2m_rs1_io_desc, 1);
	400	else
	401	iotable_init(v2m_io_desc, ARRAY_SIZE(v2m_io_desc));
8deed178 PM	402
	403	#if defined(CONFIG_SMP)
	404	vexpress_dt_smp_map_io();
	405	#endif
	406	}
	407
8deed178 PM	408	void __init v2m_dt_init_early(void)
8deed178 PM	409	{
8deed178 PM	410	u32 dt_hbi;
8deed178 PM	411
38669e04	412	vexpress_sysreg_of_early_init();
8deed178 PM	413
8deed178 PM	414	/* Confirm board type against DT property, if available */
465aac6d	415	if (of_property_read_u32(of_allnodes, "arm,hbi", &dt_hbi) == 0) {
38669e04	416	u32 hbi = vexpress_get_hbi(VEXPRESS_SITE_MASTER);
8deed178 PM	417
	418	if (WARN_ON(dt_hbi != hbi))
	419	pr_warning("vexpress: DT HBI (%x) is not matching "
	420	"hardware (%x)!\n", dt_hbi, hbi);
	421	}
8deed178	422
56e89cf5	423	versatile_sched_clock_init(vexpress_get_24mhz_clock_base(), 24000000);
8deed178 PM	424	}
8deed178 PM	425
8deed178 PM	426
	427	static void __init v2m_dt_init(void)
	428	{
	429	l2x0_of_init(0x00400000, 0xfe0fffff);
3b9334ac	430	of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
8deed178 PM	431	}
8deed178 PM	432
38669e04	433	static const char * const v2m_dt_match[] __initconst = {
8deed178 PM	434	"arm,vexpress",
	435	NULL,
	436	};
	437
	438	DT_MACHINE_START(VEXPRESS_DT, "ARM-Versatile Express")
	439	.dt_compat = v2m_dt_match,
3695adc2	440	.smp = smp_ops(vexpress_smp_ops),
033a899c	441	.smp_init = smp_init_ops(vexpress_smp_init_ops),
8deed178 PM	442	.map_io = v2m_dt_map_io,
8deed178 PM	443	.init_early = v2m_dt_init_early,
8deed178	444	.init_machine = v2m_dt_init,
8deed178	445	MACHINE_END