[GitHub/mt8127/android_kernel_alcatel_ttab.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/clocksource.h>
#include <linux/smp.h>
#include <linux/init.h>
#include <linux/irqchip.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/clk-provider.h>
#include <linux/clkdev.h>

#include <asm/arch_timer.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;

	writel(0, base + TIMER_1_BASE + TIMER_CTRL);
	writel(0, base + TIMER_2_BASE + TIMER_CTRL);

	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_muxfpga_device);
	platform_device_register(&v2m_shutdown_device);
	platform_device_register(&v2m_reboot_device);
	platform_device_register(&v2m_dvimode_device);

	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);

	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);
	}
}

static void __init v2m_dt_timer_init(void)
{
	struct device_node *node = NULL;

	of_clk_init(NULL);

	clocksource_of_init();
	do {
		node = of_find_compatible_node(node, NULL, "arm,sp804");
	} while (node && vexpress_get_site_by_node(node) != VEXPRESS_SITE_MB);
	if (node) {
		pr_info("Using SP804 '%s' as a clock & events source\n",
				node->full_name);
		WARN_ON(clk_register_clkdev(of_clk_get_by_name(node,
				"timclken1"), "v2m-timer0", "sp804"));
		WARN_ON(clk_register_clkdev(of_clk_get_by_name(node,
				"timclken2"), "v2m-timer1", "sp804"));
		v2m_sp804_init(of_iomap(node, 0),
				irq_of_parse_and_map(node, 0));
	}

	arch_timer_of_register();

	if (arch_timer_sched_clock_init() != 0)
		versatile_sched_clock_init(vexpress_get_24mhz_clock_base(),
				24000000);
}

static const struct of_device_id v2m_dt_bus_match[] __initconst = {
	{ .compatible = "simple-bus", },
	{ .compatible = "arm,amba-bus", },
	{ .compatible = "arm,vexpress,config-bus", },
	{}
};

static void __init v2m_dt_init(void)
{
	l2x0_of_init(0x00400000, 0xfe0fffff);
	of_platform_populate(NULL, v2m_dt_bus_match, NULL, NULL);
}

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

DT_MACHINE_START(VEXPRESS_DT, "ARM-Versatile Express")
	.dt_compat	= v2m_dt_match,
	.smp		= smp_ops(vexpress_smp_ops),
	.map_io		= v2m_dt_map_io,
	.init_early	= v2m_dt_init_early,
	.init_irq	= irqchip_init,
	.init_time	= v2m_dt_timer_init,
	.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>
da4a686a	8	#include <linux/clocksource.h>
3695adc2	9	#include <linux/smp.h>
ceade897	10	#include <linux/init.h>
0529e315	11	#include <linux/irqchip.h>
8deed178 PM	12	#include <linux/of_address.h>
	13	#include <linux/of_fdt.h>
	14	#include <linux/of_irq.h>
	15	#include <linux/of_platform.h>
ceade897	16	#include <linux/platform_device.h>
95c34f83	17	#include <linux/ata_platform.h>
ceade897 RK	18	#include <linux/smsc911x.h>
ceade897 RK	19	#include <linux/spinlock.h>
ceade897	20	#include <linux/usb/isp1760.h>
0f71fd49	21	#include <linux/mtd/physmap.h>
b2a54ff0 PM	22	#include <linux/regulator/fixed.h>
b2a54ff0 PM	23	#include <linux/regulator/machine.h>
38669e04	24	#include <linux/vexpress.h>
6e973d2c PM	25	#include <linux/clk-provider.h>
6e973d2c PM	26	#include <linux/clkdev.h>
ceade897	27
120f3d6c	28	#include <asm/arch_timer.h>
80b5efbd	29	#include <asm/mach-types.h>
ceade897	30	#include <asm/sizes.h>
80b5efbd	31	#include <asm/mach/arch.h>
ceade897 RK	32	#include <asm/mach/map.h>
	33	#include <asm/mach/time.h>
	34	#include <asm/hardware/arm_timer.h>
8deed178	35	#include <asm/hardware/cache-l2x0.h>
58daf18c	36	#include <asm/hardware/timer-sp.h>
ceade897	37
80b5efbd	38	#include <mach/ct-ca9x4.h>
ceade897 RK	39	#include <mach/motherboard.h>
ceade897 RK	40
0af85dda	41	#include <plat/sched_clock.h>
3695adc2	42	#include <plat/platsmp.h>
ceade897 RK	43
	44	#include "core.h"
	45
	46	#define V2M_PA_CS0 0x40000000
	47	#define V2M_PA_CS1 0x44000000
	48	#define V2M_PA_CS2 0x48000000
	49	#define V2M_PA_CS3 0x4c000000
	50	#define V2M_PA_CS7 0x10000000
	51
	52	static struct map_desc v2m_io_desc[] __initdata = {
	53	{
98ed4ceb	54	.virtual = V2M_PERIPH,
ceade897 RK	55	.pfn = __phys_to_pfn(V2M_PA_CS7),
	56	.length = SZ_128K,
	57	.type = MT_DEVICE,
	58	},
	59	};
	60
98ed4ceb PM	61	static void __init v2m_sp804_init(void __iomem *base, unsigned int irq)
	62	{
	63	if (WARN_ON(!base \|\| irq == NO_IRQ))
	64	return;
	65
	66	writel(0, base + TIMER_1_BASE + TIMER_CTRL);
	67	writel(0, base + TIMER_2_BASE + TIMER_CTRL);
baaece22	68
98ed4ceb PM	69	sp804_clocksource_init(base + TIMER_2_BASE, "v2m-timer1");
	70	sp804_clockevents_init(base + TIMER_1_BASE, irq, "v2m-timer0");
	71	}
ceade897	72
ceade897	73
ceade897 RK	74	static struct resource v2m_pcie_i2c_resource = {
	75	.start = V2M_SERIAL_BUS_PCI,
	76	.end = V2M_SERIAL_BUS_PCI + SZ_4K - 1,
	77	.flags = IORESOURCE_MEM,
	78	};
	79
	80	static struct platform_device v2m_pcie_i2c_device = {
	81	.name = "versatile-i2c",
	82	.id = 0,
	83	.num_resources = 1,
	84	.resource = &v2m_pcie_i2c_resource,
	85	};
	86
	87	static struct resource v2m_ddc_i2c_resource = {
	88	.start = V2M_SERIAL_BUS_DVI,
	89	.end = V2M_SERIAL_BUS_DVI + SZ_4K - 1,
	90	.flags = IORESOURCE_MEM,
	91	};
	92
	93	static struct platform_device v2m_ddc_i2c_device = {
	94	.name = "versatile-i2c",
	95	.id = 1,
	96	.num_resources = 1,
	97	.resource = &v2m_ddc_i2c_resource,
	98	};
	99
	100	static struct resource v2m_eth_resources[] = {
	101	{
	102	.start = V2M_LAN9118,
	103	.end = V2M_LAN9118 + SZ_64K - 1,
	104	.flags = IORESOURCE_MEM,
	105	}, {
	106	.start = IRQ_V2M_LAN9118,
	107	.end = IRQ_V2M_LAN9118,
	108	.flags = IORESOURCE_IRQ,
	109	},
	110	};
	111
	112	static struct smsc911x_platform_config v2m_eth_config = {
	113	.flags = SMSC911X_USE_32BIT,
	114	.irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_HIGH,
	115	.irq_type = SMSC911X_IRQ_TYPE_PUSH_PULL,
	116	.phy_interface = PHY_INTERFACE_MODE_MII,
	117	};
	118
	119	static struct platform_device v2m_eth_device = {
	120	.name = "smsc911x",
	121	.id = -1,
	122	.resource = v2m_eth_resources,
	123	.num_resources = ARRAY_SIZE(v2m_eth_resources),
	124	.dev.platform_data = &v2m_eth_config,
	125	};
	126
b2a54ff0 PM	127	static struct regulator_consumer_supply v2m_eth_supplies[] = {
	128	REGULATOR_SUPPLY("vddvario", "smsc911x"),
	129	REGULATOR_SUPPLY("vdd33a", "smsc911x"),
	130	};
	131
ceade897 RK	132	static struct resource v2m_usb_resources[] = {
	133	{
	134	.start = V2M_ISP1761,
	135	.end = V2M_ISP1761 + SZ_128K - 1,
	136	.flags = IORESOURCE_MEM,
	137	}, {
	138	.start = IRQ_V2M_ISP1761,
	139	.end = IRQ_V2M_ISP1761,
	140	.flags = IORESOURCE_IRQ,
	141	},
	142	};
	143
	144	static struct isp1760_platform_data v2m_usb_config = {
	145	.is_isp1761 = true,
	146	.bus_width_16 = false,
	147	.port1_otg = true,
	148	.analog_oc = false,
	149	.dack_polarity_high = false,
	150	.dreq_polarity_high = false,
	151	};
	152
	153	static struct platform_device v2m_usb_device = {
	154	.name = "isp1760",
	155	.id = -1,
	156	.resource = v2m_usb_resources,
	157	.num_resources = ARRAY_SIZE(v2m_usb_resources),
	158	.dev.platform_data = &v2m_usb_config,
	159	};
	160
0f71fd49	161	static struct physmap_flash_data v2m_flash_data = {
ceade897	162	.width = 4,
ceade897 RK	163	};
	164
	165	static struct resource v2m_flash_resources[] = {
	166	{
	167	.start = V2M_NOR0,
	168	.end = V2M_NOR0 + SZ_64M - 1,
	169	.flags = IORESOURCE_MEM,
	170	}, {
	171	.start = V2M_NOR1,
	172	.end = V2M_NOR1 + SZ_64M - 1,
	173	.flags = IORESOURCE_MEM,
	174	},
	175	};
	176
	177	static struct platform_device v2m_flash_device = {
0f71fd49	178	.name = "physmap-flash",
ceade897 RK	179	.id = -1,
	180	.resource = v2m_flash_resources,
	181	.num_resources = ARRAY_SIZE(v2m_flash_resources),
	182	.dev.platform_data = &v2m_flash_data,
	183	};
	184
95c34f83 NB	185	static struct pata_platform_info v2m_pata_data = {
	186	.ioport_shift = 2,
	187	};
	188
	189	static struct resource v2m_pata_resources[] = {
	190	{
	191	.start = V2M_CF,
	192	.end = V2M_CF + 0xff,
	193	.flags = IORESOURCE_MEM,
	194	}, {
	195	.start = V2M_CF + 0x100,
	196	.end = V2M_CF + SZ_4K - 1,
	197	.flags = IORESOURCE_MEM,
	198	},
	199	};
	200
	201	static struct platform_device v2m_cf_device = {
	202	.name = "pata_platform",
	203	.id = -1,
	204	.resource = v2m_pata_resources,
	205	.num_resources = ARRAY_SIZE(v2m_pata_resources),
	206	.dev.platform_data = &v2m_pata_data,
	207	};
ceade897	208
ceade897 RK	209	static struct mmci_platform_data v2m_mmci_data = {
ceade897 RK	210	.ocr_mask = MMC_VDD_32_33\|MMC_VDD_33_34,
38669e04 PM	211	.gpio_wp = VEXPRESS_GPIO_MMC_WPROT,
	212	.gpio_cd = VEXPRESS_GPIO_MMC_CARDIN,
	213	};
	214
	215	static struct resource v2m_sysreg_resources[] = {
	216	{
	217	.start = V2M_SYSREGS,
	218	.end = V2M_SYSREGS + 0xfff,
	219	.flags = IORESOURCE_MEM,
	220	},
	221	};
	222
	223	static struct platform_device v2m_sysreg_device = {
	224	.name = "vexpress-sysreg",
	225	.id = -1,
	226	.resource = v2m_sysreg_resources,
	227	.num_resources = ARRAY_SIZE(v2m_sysreg_resources),
	228	};
	229
	230	static struct platform_device v2m_muxfpga_device = {
	231	.name = "vexpress-muxfpga",
	232	.id = 0,
	233	.num_resources = 1,
	234	.resource = (struct resource []) {
	235	VEXPRESS_RES_FUNC(0, 7),
	236	}
	237	};
	238
	239	static struct platform_device v2m_shutdown_device = {
	240	.name = "vexpress-shutdown",
	241	.id = 0,
	242	.num_resources = 1,
	243	.resource = (struct resource []) {
	244	VEXPRESS_RES_FUNC(0, 8),
	245	}
	246	};
	247
	248	static struct platform_device v2m_reboot_device = {
	249	.name = "vexpress-reboot",
	250	.id = 0,
	251	.num_resources = 1,
	252	.resource = (struct resource []) {
	253	VEXPRESS_RES_FUNC(0, 9),
	254	}
	255	};
	256
	257	static struct platform_device v2m_dvimode_device = {
	258	.name = "vexpress-dvimode",
	259	.id = 0,
	260	.num_resources = 1,
	261	.resource = (struct resource []) {
	262	VEXPRESS_RES_FUNC(0, 11),
	263	}
ceade897 RK	264	};
ceade897 RK	265
cdd4e1a7 RK	266	static AMBA_APB_DEVICE(aaci, "mb:aaci", 0, V2M_AACI, IRQ_V2M_AACI, NULL);
	267	static AMBA_APB_DEVICE(mmci, "mb:mmci", 0, V2M_MMCI, IRQ_V2M_MMCI, &v2m_mmci_data);
	268	static AMBA_APB_DEVICE(kmi0, "mb:kmi0", 0, V2M_KMI0, IRQ_V2M_KMI0, NULL);
	269	static AMBA_APB_DEVICE(kmi1, "mb:kmi1", 0, V2M_KMI1, IRQ_V2M_KMI1, NULL);
	270	static AMBA_APB_DEVICE(uart0, "mb:uart0", 0, V2M_UART0, IRQ_V2M_UART0, NULL);
	271	static AMBA_APB_DEVICE(uart1, "mb:uart1", 0, V2M_UART1, IRQ_V2M_UART1, NULL);
	272	static AMBA_APB_DEVICE(uart2, "mb:uart2", 0, V2M_UART2, IRQ_V2M_UART2, NULL);
	273	static AMBA_APB_DEVICE(uart3, "mb:uart3", 0, V2M_UART3, IRQ_V2M_UART3, NULL);
	274	static AMBA_APB_DEVICE(wdt, "mb:wdt", 0, V2M_WDT, IRQ_V2M_WDT, NULL);
	275	static AMBA_APB_DEVICE(rtc, "mb:rtc", 0, V2M_RTC, IRQ_V2M_RTC, NULL);
ceade897 RK	276
	277	static struct amba_device *v2m_amba_devs[] __initdata = {
	278	&aaci_device,
	279	&mmci_device,
	280	&kmi0_device,
	281	&kmi1_device,
	282	&uart0_device,
	283	&uart1_device,
	284	&uart2_device,
	285	&uart3_device,
	286	&wdt_device,
	287	&rtc_device,
	288	};
	289
d1b8a775 PM	290	static void __init v2m_timer_init(void)
d1b8a775 PM	291	{
38669e04	292	vexpress_clk_init(ioremap(V2M_SYSCTL, SZ_4K));
d1b8a775 PM	293	v2m_sp804_init(ioremap(V2M_TIMER01, SZ_4K), IRQ_V2M_TIMER0);
	294	}
	295
2fdf9993 RH	296	static void __init v2m_init_early(void)
2fdf9993 RH	297	{
d1b8a775 PM	298	if (ct_desc->init_early)
d1b8a775 PM	299	ct_desc->init_early();
38669e04	300	versatile_sched_clock_init(vexpress_get_24mhz_clock_base(), 24000000);
ceade897 RK	301	}
ceade897 RK	302
80b5efbd WD	303	struct ct_desc *ct_desc;
	304
	305	static struct ct_desc *ct_descs[] __initdata = {
	306	#ifdef CONFIG_ARCH_VEXPRESS_CA9X4
	307	&ct_ca9x4_desc,
	308	#endif
	309	};
	310
	311	static void __init v2m_populate_ct_desc(void)
	312	{
	313	int i;
	314	u32 current_tile_id;
	315
	316	ct_desc = NULL;
38669e04	317	current_tile_id = vexpress_get_procid(VEXPRESS_SITE_MASTER)
98ed4ceb	318	& V2M_CT_ID_MASK;
80b5efbd WD	319
	320	for (i = 0; i < ARRAY_SIZE(ct_descs) && !ct_desc; ++i)
	321	if (ct_descs[i]->id == current_tile_id)
	322	ct_desc = ct_descs[i];
	323
	324	if (!ct_desc)
8deed178 PM	325	panic("vexpress: this kernel does not support core tile ID 0x%08x when booting via ATAGs.\n"
	326	"You may need a device tree blob or a different kernel to boot on this board.\n",
	327	current_tile_id);
80b5efbd WD	328	}
	329
	330	static void __init v2m_map_io(void)
	331	{
	332	iotable_init(v2m_io_desc, ARRAY_SIZE(v2m_io_desc));
38669e04	333	vexpress_sysreg_early_init(ioremap(V2M_SYSREGS, SZ_4K));
80b5efbd WD	334	v2m_populate_ct_desc();
	335	ct_desc->map_io();
	336	}
	337
	338	static void __init v2m_init_irq(void)
	339	{
	340	ct_desc->init_irq();
	341	}
	342
	343	static void __init v2m_init(void)
ceade897 RK	344	{
	345	int i;
	346
b2a54ff0 PM	347	regulator_register_fixed(0, v2m_eth_supplies,
	348	ARRAY_SIZE(v2m_eth_supplies));
	349
38669e04 PM	350	platform_device_register(&v2m_muxfpga_device);
	351	platform_device_register(&v2m_shutdown_device);
	352	platform_device_register(&v2m_reboot_device);
	353	platform_device_register(&v2m_dvimode_device);
	354
	355	platform_device_register(&v2m_sysreg_device);
ceade897 RK	356	platform_device_register(&v2m_pcie_i2c_device);
	357	platform_device_register(&v2m_ddc_i2c_device);
	358	platform_device_register(&v2m_flash_device);
95c34f83	359	platform_device_register(&v2m_cf_device);
ceade897 RK	360	platform_device_register(&v2m_eth_device);
	361	platform_device_register(&v2m_usb_device);
	362
	363	for (i = 0; i < ARRAY_SIZE(v2m_amba_devs); i++)
	364	amba_device_register(v2m_amba_devs[i], &iomem_resource);
	365
80b5efbd	366	ct_desc->init_tile();
ceade897	367	}
80b5efbd WD	368
80b5efbd WD	369	MACHINE_START(VEXPRESS, "ARM-Versatile Express")
e9ce8e5b	370	.atag_offset = 0x100,
3695adc2	371	.smp = smp_ops(vexpress_smp_ops),
80b5efbd WD	372	.map_io = v2m_map_io,
	373	.init_early = v2m_init_early,
	374	.init_irq = v2m_init_irq,
6bb27d73	375	.init_time = v2m_timer_init,
80b5efbd WD	376	.init_machine = v2m_init,
80b5efbd WD	377	MACHINE_END
8deed178	378
6a371956 PM	379	static struct map_desc v2m_rs1_io_desc __initdata = {
	380	.virtual = V2M_PERIPH,
	381	.pfn = __phys_to_pfn(0x1c000000),
	382	.length = SZ_2M,
	383	.type = MT_DEVICE,
	384	};
	385
	386	static int __init v2m_dt_scan_memory_map(unsigned long node, const char *uname,
	387	int depth, void *data)
	388	{
	389	const char **map = data;
	390
	391	if (strcmp(uname, "motherboard") != 0)
	392	return 0;
	393
	394	*map = of_get_flat_dt_prop(node, "arm,v2m-memory-map", NULL);
	395
	396	return 1;
	397	}
	398
8deed178 PM	399	void __init v2m_dt_map_io(void)
8deed178 PM	400	{
6a371956 PM	401	const char *map = NULL;
	402
	403	of_scan_flat_dt(v2m_dt_scan_memory_map, &map);
	404
	405	if (map && strcmp(map, "rs1") == 0)
	406	iotable_init(&v2m_rs1_io_desc, 1);
	407	else
	408	iotable_init(v2m_io_desc, ARRAY_SIZE(v2m_io_desc));
8deed178 PM	409
	410	#if defined(CONFIG_SMP)
	411	vexpress_dt_smp_map_io();
	412	#endif
	413	}
	414
8deed178 PM	415	void __init v2m_dt_init_early(void)
8deed178 PM	416	{
8deed178 PM	417	u32 dt_hbi;
8deed178 PM	418
38669e04	419	vexpress_sysreg_of_early_init();
8deed178 PM	420
8deed178 PM	421	/* Confirm board type against DT property, if available */
465aac6d	422	if (of_property_read_u32(of_allnodes, "arm,hbi", &dt_hbi) == 0) {
38669e04	423	u32 hbi = vexpress_get_hbi(VEXPRESS_SITE_MASTER);
8deed178 PM	424
	425	if (WARN_ON(dt_hbi != hbi))
	426	pr_warning("vexpress: DT HBI (%x) is not matching "
	427	"hardware (%x)!\n", dt_hbi, hbi);
	428	}
8deed178 PM	429	}
8deed178 PM	430
8deed178 PM	431	static void __init v2m_dt_timer_init(void)
8deed178 PM	432	{
433683a6	433	struct device_node *node = NULL;
8deed178	434
6e973d2c	435	of_clk_init(NULL);
8deed178	436
da4a686a	437	clocksource_of_init();
433683a6 PM	438	do {
	439	node = of_find_compatible_node(node, NULL, "arm,sp804");
	440	} while (node && vexpress_get_site_by_node(node) != VEXPRESS_SITE_MB);
	441	if (node) {
	442	pr_info("Using SP804 '%s' as a clock & events source\n",
	443	node->full_name);
6e973d2c PM	444	WARN_ON(clk_register_clkdev(of_clk_get_by_name(node,
	445	"timclken1"), "v2m-timer0", "sp804"));
	446	WARN_ON(clk_register_clkdev(of_clk_get_by_name(node,
	447	"timclken2"), "v2m-timer1", "sp804"));
433683a6 PM	448	v2m_sp804_init(of_iomap(node, 0),
	449	irq_of_parse_and_map(node, 0));
	450	}
d1b8a775	451
da4a686a	452	arch_timer_of_register();
120f3d6c MZ	453
120f3d6c MZ	454	if (arch_timer_sched_clock_init() != 0)
38669e04 PM	455	versatile_sched_clock_init(vexpress_get_24mhz_clock_base(),
38669e04 PM	456	24000000);
8deed178 PM	457	}
8deed178 PM	458
38669e04 PM	459	static const struct of_device_id v2m_dt_bus_match[] __initconst = {
	460	{ .compatible = "simple-bus", },
	461	{ .compatible = "arm,amba-bus", },
	462	{ .compatible = "arm,vexpress,config-bus", },
8deed178 PM	463	{}
	464	};
	465
	466	static void __init v2m_dt_init(void)
	467	{
	468	l2x0_of_init(0x00400000, 0xfe0fffff);
38669e04	469	of_platform_populate(NULL, v2m_dt_bus_match, NULL, NULL);
8deed178 PM	470	}
8deed178 PM	471
38669e04	472	static const char * const v2m_dt_match[] __initconst = {
8deed178	473	"arm,vexpress",
bbd6eb29	474	"xen,xenvm",
8deed178 PM	475	NULL,
	476	};
	477
	478	DT_MACHINE_START(VEXPRESS_DT, "ARM-Versatile Express")
	479	.dt_compat = v2m_dt_match,
3695adc2	480	.smp = smp_ops(vexpress_smp_ops),
8deed178 PM	481	.map_io = v2m_dt_map_io,
8deed178 PM	482	.init_early = v2m_dt_init_early,
0529e315	483	.init_irq = irqchip_init,
6bb27d73	484	.init_time = v2m_dt_timer_init,
8deed178	485	.init_machine = v2m_dt_init,
8deed178	486	MACHINE_END