[deliverable/linux.git] / arch / arm / mach-realview / realview_pbx.c

/*
 *  arch/arm/mach-realview/realview_pbx.c
 *
 *  Copyright (C) 2009 ARM Limited
 *  Copyright (C) 2000 Deep Blue Solutions Ltd
 *
 * 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.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/device.h>
#include <linux/amba/bus.h>
#include <linux/amba/pl061.h>
#include <linux/amba/mmci.h>
#include <linux/amba/pl022.h>
#include <linux/io.h>
#include <linux/irqchip/arm-gic.h>
#include <linux/platform_data/clk-realview.h>
#include <linux/reboot.h>
#include <linux/memblock.h>

#include <asm/irq.h>
#include <asm/mach-types.h>
#include <asm/smp_twd.h>
#include <asm/pgtable.h>
#include <asm/hardware/cache-l2x0.h>

#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <asm/mach/time.h>

#include <mach/hardware.h>
#include <mach/board-pbx.h>
#include <mach/irqs.h>

#include "core.h"

static struct map_desc realview_pbx_io_desc[] __initdata = {
	{
		.virtual	= IO_ADDRESS(REALVIEW_SYS_BASE),
		.pfn		= __phys_to_pfn(REALVIEW_SYS_BASE),
		.length		= SZ_4K,
		.type		= MT_DEVICE,
	}, {
		.virtual	= IO_ADDRESS(REALVIEW_PBX_GIC_CPU_BASE),
		.pfn		= __phys_to_pfn(REALVIEW_PBX_GIC_CPU_BASE),
		.length		= SZ_4K,
		.type		= MT_DEVICE,
	}, {
		.virtual	= IO_ADDRESS(REALVIEW_PBX_GIC_DIST_BASE),
		.pfn		= __phys_to_pfn(REALVIEW_PBX_GIC_DIST_BASE),
		.length		= SZ_4K,
		.type		= MT_DEVICE,
	}, {
		.virtual	= IO_ADDRESS(REALVIEW_SCTL_BASE),
		.pfn		= __phys_to_pfn(REALVIEW_SCTL_BASE),
		.length		= SZ_4K,
		.type		= MT_DEVICE,
	}, {
		.virtual	= IO_ADDRESS(REALVIEW_PBX_TIMER0_1_BASE),
		.pfn		= __phys_to_pfn(REALVIEW_PBX_TIMER0_1_BASE),
		.length		= SZ_4K,
		.type		= MT_DEVICE,
	}, {
		.virtual	= IO_ADDRESS(REALVIEW_PBX_TIMER2_3_BASE),
		.pfn		= __phys_to_pfn(REALVIEW_PBX_TIMER2_3_BASE),
		.length		= SZ_4K,
		.type		= MT_DEVICE,
	},
#ifdef CONFIG_PCI
	{
		.virtual	= PCIX_UNIT_BASE,
		.pfn		= __phys_to_pfn(REALVIEW_PBX_PCI_BASE),
		.length		= REALVIEW_PBX_PCI_BASE_SIZE,
		.type		= MT_DEVICE,
	},
#endif
#ifdef CONFIG_DEBUG_LL
	{
		.virtual	= IO_ADDRESS(REALVIEW_PBX_UART0_BASE),
		.pfn		= __phys_to_pfn(REALVIEW_PBX_UART0_BASE),
		.length		= SZ_4K,
		.type		= MT_DEVICE,
	},
#endif
};

static struct map_desc realview_local_io_desc[] __initdata = {
	{
		.virtual        = IO_ADDRESS(REALVIEW_PBX_TILE_SCU_BASE),
		.pfn            = __phys_to_pfn(REALVIEW_PBX_TILE_SCU_BASE),
		.length         = SZ_4K,
		.type           = MT_DEVICE,
	}, {
		.virtual        = IO_ADDRESS(REALVIEW_PBX_TILE_GIC_DIST_BASE),
		.pfn            = __phys_to_pfn(REALVIEW_PBX_TILE_GIC_DIST_BASE),
		.length         = SZ_4K,
		.type           = MT_DEVICE,
	}, {
		.virtual        = IO_ADDRESS(REALVIEW_PBX_TILE_L220_BASE),
		.pfn            = __phys_to_pfn(REALVIEW_PBX_TILE_L220_BASE),
		.length         = SZ_8K,
		.type           = MT_DEVICE,
	}
};

static void __init realview_pbx_map_io(void)
{
	iotable_init(realview_pbx_io_desc, ARRAY_SIZE(realview_pbx_io_desc));
	if (core_tile_pbx11mp() || core_tile_pbxa9mp())
		iotable_init(realview_local_io_desc, ARRAY_SIZE(realview_local_io_desc));
}

static struct pl061_platform_data gpio0_plat_data = {
	.gpio_base	= 0,
};

static struct pl061_platform_data gpio1_plat_data = {
	.gpio_base	= 8,
};

static struct pl061_platform_data gpio2_plat_data = {
	.gpio_base	= 16,
};

static struct pl022_ssp_controller ssp0_plat_data = {
	.bus_id = 0,
	.enable_dma = 0,
	.num_chipselect = 1,
};

/*
 * RealView PBXCore AMBA devices
 */

#define GPIO2_IRQ		{ IRQ_PBX_GPIO2 }
#define GPIO3_IRQ		{ IRQ_PBX_GPIO3 }
#define AACI_IRQ		{ IRQ_PBX_AACI }
#define MMCI0_IRQ		{ IRQ_PBX_MMCI0A, IRQ_PBX_MMCI0B }
#define KMI0_IRQ		{ IRQ_PBX_KMI0 }
#define KMI1_IRQ		{ IRQ_PBX_KMI1 }
#define PBX_SMC_IRQ		{ }
#define MPMC_IRQ		{ }
#define PBX_CLCD_IRQ		{ IRQ_PBX_CLCD }
#define DMAC_IRQ		{ IRQ_PBX_DMAC }
#define SCTL_IRQ		{ }
#define PBX_WATCHDOG_IRQ	{ IRQ_PBX_WATCHDOG }
#define PBX_GPIO0_IRQ		{ IRQ_PBX_GPIO0 }
#define GPIO1_IRQ		{ IRQ_PBX_GPIO1 }
#define PBX_RTC_IRQ		{ IRQ_PBX_RTC }
#define SCI_IRQ			{ IRQ_PBX_SCI }
#define PBX_UART0_IRQ		{ IRQ_PBX_UART0 }
#define PBX_UART1_IRQ		{ IRQ_PBX_UART1 }
#define PBX_UART2_IRQ		{ IRQ_PBX_UART2 }
#define PBX_UART3_IRQ		{ IRQ_PBX_UART3 }
#define PBX_SSP_IRQ		{ IRQ_PBX_SSP }

/* FPGA Primecells */
APB_DEVICE(aaci,	"fpga:aaci",	AACI,		NULL);
APB_DEVICE(mmc0,	"fpga:mmc0",	MMCI0,		&realview_mmc0_plat_data);
APB_DEVICE(kmi0,	"fpga:kmi0",	KMI0,		NULL);
APB_DEVICE(kmi1,	"fpga:kmi1",	KMI1,		NULL);
APB_DEVICE(uart3,	"fpga:uart3",	PBX_UART3,	NULL);

/* DevChip Primecells */
AHB_DEVICE(smc,	"dev:smc",	PBX_SMC,	NULL);
AHB_DEVICE(sctl,	"dev:sctl",	SCTL,		NULL);
APB_DEVICE(wdog,	"dev:wdog",	PBX_WATCHDOG, 	NULL);
APB_DEVICE(gpio0,	"dev:gpio0",	PBX_GPIO0,	&gpio0_plat_data);
APB_DEVICE(gpio1,	"dev:gpio1",	GPIO1,		&gpio1_plat_data);
APB_DEVICE(gpio2,	"dev:gpio2",	GPIO2,		&gpio2_plat_data);
APB_DEVICE(rtc,		"dev:rtc",	PBX_RTC,	NULL);
APB_DEVICE(sci0,	"dev:sci0",	SCI,		NULL);
APB_DEVICE(uart0,	"dev:uart0",	PBX_UART0,	NULL);
APB_DEVICE(uart1,	"dev:uart1",	PBX_UART1,	NULL);
APB_DEVICE(uart2,	"dev:uart2",	PBX_UART2,	NULL);
APB_DEVICE(ssp0,	"dev:ssp0",	PBX_SSP,	&ssp0_plat_data);

/* Primecells on the NEC ISSP chip */
AHB_DEVICE(clcd,	"issp:clcd",	PBX_CLCD,	&clcd_plat_data);
AHB_DEVICE(dmac,	"issp:dmac",	DMAC,		NULL);

static struct amba_device *amba_devs[] __initdata = {
	&dmac_device,
	&uart0_device,
	&uart1_device,
	&uart2_device,
	&uart3_device,
	&smc_device,
	&clcd_device,
	&sctl_device,
	&wdog_device,
	&gpio0_device,
	&gpio1_device,
	&gpio2_device,
	&rtc_device,
	&sci0_device,
	&ssp0_device,
	&aaci_device,
	&mmc0_device,
	&kmi0_device,
	&kmi1_device,
};

/*
 * RealView PB-X platform devices
 */
static struct resource realview_pbx_flash_resources[] = {
	[0] = {
		.start          = REALVIEW_PBX_FLASH0_BASE,
		.end            = REALVIEW_PBX_FLASH0_BASE + REALVIEW_PBX_FLASH0_SIZE - 1,
		.flags          = IORESOURCE_MEM,
	},
	[1] = {
		.start          = REALVIEW_PBX_FLASH1_BASE,
		.end            = REALVIEW_PBX_FLASH1_BASE + REALVIEW_PBX_FLASH1_SIZE - 1,
		.flags          = IORESOURCE_MEM,
	},
};

static struct resource realview_pbx_smsc911x_resources[] = {
	[0] = {
		.start		= REALVIEW_PBX_ETH_BASE,
		.end		= REALVIEW_PBX_ETH_BASE + SZ_64K - 1,
		.flags		= IORESOURCE_MEM,
	},
	[1] = {
		.start		= IRQ_PBX_ETH,
		.end		= IRQ_PBX_ETH,
		.flags		= IORESOURCE_IRQ,
	},
};

static struct resource realview_pbx_isp1761_resources[] = {
	[0] = {
		.start		= REALVIEW_PBX_USB_BASE,
		.end		= REALVIEW_PBX_USB_BASE + SZ_128K - 1,
		.flags		= IORESOURCE_MEM,
	},
	[1] = {
		.start		= IRQ_PBX_USB,
		.end		= IRQ_PBX_USB,
		.flags		= IORESOURCE_IRQ,
	},
};

static struct resource pmu_resources[] = {
	[0] = {
		.start		= IRQ_PBX_PMU_CPU0,
		.end		= IRQ_PBX_PMU_CPU0,
		.flags		= IORESOURCE_IRQ,
	},
	[1] = {
		.start		= IRQ_PBX_PMU_CPU1,
		.end		= IRQ_PBX_PMU_CPU1,
		.flags		= IORESOURCE_IRQ,
	},
	[2] = {
		.start		= IRQ_PBX_PMU_CPU2,
		.end		= IRQ_PBX_PMU_CPU2,
		.flags		= IORESOURCE_IRQ,
	},
	[3] = {
		.start		= IRQ_PBX_PMU_CPU3,
		.end		= IRQ_PBX_PMU_CPU3,
		.flags		= IORESOURCE_IRQ,
	},
};

static struct platform_device pmu_device = {
	.name			= "arm-pmu",
	.id			= -1,
	.num_resources		= ARRAY_SIZE(pmu_resources),
	.resource		= pmu_resources,
};

static void __init gic_init_irq(void)
{
	/* ARM PBX on-board GIC */
	if (core_tile_pbx11mp() || core_tile_pbxa9mp()) {
		gic_init(0, 29, __io_address(REALVIEW_PBX_TILE_GIC_DIST_BASE),
			 __io_address(REALVIEW_PBX_TILE_GIC_CPU_BASE));
	} else {
		gic_init(0, IRQ_PBX_GIC_START,
			 __io_address(REALVIEW_PBX_GIC_DIST_BASE),
			 __io_address(REALVIEW_PBX_GIC_CPU_BASE));
	}
}

#ifdef CONFIG_HAVE_ARM_TWD
static DEFINE_TWD_LOCAL_TIMER(twd_local_timer,
			      REALVIEW_PBX_TILE_TWD_BASE,
			      IRQ_LOCALTIMER);

static void __init realview_pbx_twd_init(void)
{
	int err = twd_local_timer_register(&twd_local_timer);
	if (err)
		pr_err("twd_local_timer_register failed %d\n", err);
}
#else
#define realview_pbx_twd_init()	do { } while(0)
#endif

static void __init realview_pbx_timer_init(void)
{
	timer0_va_base = __io_address(REALVIEW_PBX_TIMER0_1_BASE);
	timer1_va_base = __io_address(REALVIEW_PBX_TIMER0_1_BASE) + 0x20;
	timer2_va_base = __io_address(REALVIEW_PBX_TIMER2_3_BASE);
	timer3_va_base = __io_address(REALVIEW_PBX_TIMER2_3_BASE) + 0x20;

	realview_clk_init(__io_address(REALVIEW_SYS_BASE), false);
	realview_timer_init(IRQ_PBX_TIMER0_1);
	realview_pbx_twd_init();
}

static void realview_pbx_fixup(struct tag *tags, char **from)
{
#ifdef CONFIG_SPARSEMEM
	/*
	 * Memory configuration with SPARSEMEM enabled on RealView PBX (see
	 * asm/mach/memory.h for more information).
	 */

	memblock_add(0, SZ_256M);
	memblock_add(0x20000000, SZ_512M);
	memblock_add(0x80000000, SZ_256M);
#else
	realview_fixup(tags, from);
#endif
}

static void realview_pbx_restart(enum reboot_mode mode, const char *cmd)
{
	void __iomem *reset_ctrl = __io_address(REALVIEW_SYS_RESETCTL);
	void __iomem *lock_ctrl = __io_address(REALVIEW_SYS_LOCK);

	/*
	 * To reset, we hit the on-board reset register
	 * in the system FPGA
	 */
	__raw_writel(REALVIEW_SYS_LOCK_VAL, lock_ctrl);
	__raw_writel(0x00F0, reset_ctrl);
	__raw_writel(0x00F4, reset_ctrl);
	dsb();
}

static void __init realview_pbx_init(void)
{
	int i;

#ifdef CONFIG_CACHE_L2X0
	if (core_tile_pbxa9mp()) {
		void __iomem *l2x0_base =
			__io_address(REALVIEW_PBX_TILE_L220_BASE);

		/* set RAM latencies to 1 cycle for eASIC */
		writel(0, l2x0_base + L310_TAG_LATENCY_CTRL);
		writel(0, l2x0_base + L310_DATA_LATENCY_CTRL);

		/* 16KB way size, 8-way associativity, parity disabled
		 * Bits:  .. 0 0 0 0 1 00 1 0 1 001 0 000 0 .... .... .... */
		l2x0_init(l2x0_base, 0x02520000, 0xc0000fff);
		platform_device_register(&pmu_device);
	}
#endif

	realview_flash_register(realview_pbx_flash_resources,
				ARRAY_SIZE(realview_pbx_flash_resources));
	realview_eth_register(NULL, realview_pbx_smsc911x_resources);
	platform_device_register(&realview_i2c_device);
	platform_device_register(&realview_cf_device);
	platform_device_register(&realview_leds_device);
	realview_usb_register(realview_pbx_isp1761_resources);

	for (i = 0; i < ARRAY_SIZE(amba_devs); i++) {
		struct amba_device *d = amba_devs[i];
		amba_device_register(d, &iomem_resource);
	}
}

MACHINE_START(REALVIEW_PBX, "ARM-RealView PBX")
	/* Maintainer: ARM Ltd/Deep Blue Solutions Ltd */
	.atag_offset	= 0x100,
	.smp		= smp_ops(realview_smp_ops),
	.fixup		= realview_pbx_fixup,
	.map_io		= realview_pbx_map_io,
	.init_early	= realview_init_early,
	.init_irq	= gic_init_irq,
	.init_time	= realview_pbx_timer_init,
	.init_machine	= realview_pbx_init,
#ifdef CONFIG_ZONE_DMA
	.dma_zone_size	= SZ_256M,
#endif
	.restart	= realview_pbx_restart,
MACHINE_END
Commit	Line	Data
1b504bbe CT	1	/*
	2	* arch/arm/mach-realview/realview_pbx.c
	3	*
	4	* Copyright (C) 2009 ARM Limited
	5	* Copyright (C) 2000 Deep Blue Solutions Ltd
	6	*
	7	* This program is free software; you can redistribute it and/or modify
	8	* it under the terms of the GNU General Public License version 2 as
	9	* published by the Free Software Foundation.
	10	*
	11	* This program is distributed in the hope that it will be useful,
	12	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	13	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	14	* GNU General Public License for more details.
	15	*
	16	* You should have received a copy of the GNU General Public License
	17	* along with this program; if not, write to the Free Software
	18	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
	19	*/
	20
	21	#include <linux/init.h>
	22	#include <linux/platform_device.h>
edbaa603	23	#include <linux/device.h>
1b504bbe	24	#include <linux/amba/bus.h>
eb7fffa3	25	#include <linux/amba/pl061.h>
6ef297f8	26	#include <linux/amba/mmci.h>
d6ada860	27	#include <linux/amba/pl022.h>
1b504bbe	28	#include <linux/io.h>
520f7bd7	29	#include <linux/irqchip/arm-gic.h>
f9a6aa43	30	#include <linux/platform_data/clk-realview.h>
7b6d864b	31	#include <linux/reboot.h>
1c2f87c2	32	#include <linux/memblock.h>
1b504bbe CT	33
1b504bbe CT	34	#include <asm/irq.h>
1b504bbe	35	#include <asm/mach-types.h>
c3c21740	36	#include <asm/smp_twd.h>
cc9897df	37	#include <asm/pgtable.h>
1b504bbe CT	38	#include <asm/hardware/cache-l2x0.h>
	39
	40	#include <asm/mach/arch.h>
	41	#include <asm/mach/map.h>
1b504bbe CT	42	#include <asm/mach/time.h>
	43
	44	#include <mach/hardware.h>
	45	#include <mach/board-pbx.h>
	46	#include <mach/irqs.h>
	47
	48	#include "core.h"
	49
	50	static struct map_desc realview_pbx_io_desc[] __initdata = {
	51	{
	52	.virtual = IO_ADDRESS(REALVIEW_SYS_BASE),
	53	.pfn = __phys_to_pfn(REALVIEW_SYS_BASE),
	54	.length = SZ_4K,
	55	.type = MT_DEVICE,
	56	}, {
	57	.virtual = IO_ADDRESS(REALVIEW_PBX_GIC_CPU_BASE),
	58	.pfn = __phys_to_pfn(REALVIEW_PBX_GIC_CPU_BASE),
	59	.length = SZ_4K,
	60	.type = MT_DEVICE,
	61	}, {
	62	.virtual = IO_ADDRESS(REALVIEW_PBX_GIC_DIST_BASE),
	63	.pfn = __phys_to_pfn(REALVIEW_PBX_GIC_DIST_BASE),
	64	.length = SZ_4K,
	65	.type = MT_DEVICE,
	66	}, {
	67	.virtual = IO_ADDRESS(REALVIEW_SCTL_BASE),
	68	.pfn = __phys_to_pfn(REALVIEW_SCTL_BASE),
	69	.length = SZ_4K,
	70	.type = MT_DEVICE,
	71	}, {
	72	.virtual = IO_ADDRESS(REALVIEW_PBX_TIMER0_1_BASE),
	73	.pfn = __phys_to_pfn(REALVIEW_PBX_TIMER0_1_BASE),
	74	.length = SZ_4K,
	75	.type = MT_DEVICE,
	76	}, {
	77	.virtual = IO_ADDRESS(REALVIEW_PBX_TIMER2_3_BASE),
	78	.pfn = __phys_to_pfn(REALVIEW_PBX_TIMER2_3_BASE),
	79	.length = SZ_4K,
	80	.type = MT_DEVICE,
	81	},
	82	#ifdef CONFIG_PCI
	83	{
	84	.virtual = PCIX_UNIT_BASE,
	85	.pfn = __phys_to_pfn(REALVIEW_PBX_PCI_BASE),
	86	.length = REALVIEW_PBX_PCI_BASE_SIZE,
	87	.type = MT_DEVICE,
	88	},
	89	#endif
	90	#ifdef CONFIG_DEBUG_LL
	91	{
	92	.virtual = IO_ADDRESS(REALVIEW_PBX_UART0_BASE),
	93	.pfn = __phys_to_pfn(REALVIEW_PBX_UART0_BASE),
	94	.length = SZ_4K,
	95	.type = MT_DEVICE,
	96	},
	97	#endif
	98	};
	99
	100	static struct map_desc realview_local_io_desc[] __initdata = {
	101	{
9ceceb65 RH	102	.virtual = IO_ADDRESS(REALVIEW_PBX_TILE_SCU_BASE),
9ceceb65 RH	103	.pfn = __phys_to_pfn(REALVIEW_PBX_TILE_SCU_BASE),
1b504bbe CT	104	.length = SZ_4K,
	105	.type = MT_DEVICE,
	106	}, {
	107	.virtual = IO_ADDRESS(REALVIEW_PBX_TILE_GIC_DIST_BASE),
	108	.pfn = __phys_to_pfn(REALVIEW_PBX_TILE_GIC_DIST_BASE),
	109	.length = SZ_4K,
	110	.type = MT_DEVICE,
	111	}, {
	112	.virtual = IO_ADDRESS(REALVIEW_PBX_TILE_L220_BASE),
	113	.pfn = __phys_to_pfn(REALVIEW_PBX_TILE_L220_BASE),
	114	.length = SZ_8K,
	115	.type = MT_DEVICE,
	116	}
	117	};
	118
	119	static void __init realview_pbx_map_io(void)
	120	{
	121	iotable_init(realview_pbx_io_desc, ARRAY_SIZE(realview_pbx_io_desc));
	122	if (core_tile_pbx11mp() \|\| core_tile_pbxa9mp())
	123	iotable_init(realview_local_io_desc, ARRAY_SIZE(realview_local_io_desc));
	124	}
	125
eb7fffa3 RK	126	static struct pl061_platform_data gpio0_plat_data = {
eb7fffa3 RK	127	.gpio_base = 0,
eb7fffa3 RK	128	};
	129
	130	static struct pl061_platform_data gpio1_plat_data = {
	131	.gpio_base = 8,
eb7fffa3 RK	132	};
	133
	134	static struct pl061_platform_data gpio2_plat_data = {
	135	.gpio_base = 16,
eb7fffa3 RK	136	};
eb7fffa3 RK	137
d6ada860 LW	138	static struct pl022_ssp_controller ssp0_plat_data = {
	139	.bus_id = 0,
	140	.enable_dma = 0,
	141	.num_chipselect = 1,
	142	};
	143
1b504bbe CT	144	/*
	145	* RealView PBXCore AMBA devices
	146	*/
	147
0dada61a RK	148	#define GPIO2_IRQ { IRQ_PBX_GPIO2 }
	149	#define GPIO3_IRQ { IRQ_PBX_GPIO3 }
	150	#define AACI_IRQ { IRQ_PBX_AACI }
1b504bbe	151	#define MMCI0_IRQ { IRQ_PBX_MMCI0A, IRQ_PBX_MMCI0B }
0dada61a RK	152	#define KMI0_IRQ { IRQ_PBX_KMI0 }
	153	#define KMI1_IRQ { IRQ_PBX_KMI1 }
	154	#define PBX_SMC_IRQ { }
	155	#define MPMC_IRQ { }
	156	#define PBX_CLCD_IRQ { IRQ_PBX_CLCD }
	157	#define DMAC_IRQ { IRQ_PBX_DMAC }
	158	#define SCTL_IRQ { }
	159	#define PBX_WATCHDOG_IRQ { IRQ_PBX_WATCHDOG }
	160	#define PBX_GPIO0_IRQ { IRQ_PBX_GPIO0 }
	161	#define GPIO1_IRQ { IRQ_PBX_GPIO1 }
	162	#define PBX_RTC_IRQ { IRQ_PBX_RTC }
	163	#define SCI_IRQ { IRQ_PBX_SCI }
	164	#define PBX_UART0_IRQ { IRQ_PBX_UART0 }
	165	#define PBX_UART1_IRQ { IRQ_PBX_UART1 }
	166	#define PBX_UART2_IRQ { IRQ_PBX_UART2 }
	167	#define PBX_UART3_IRQ { IRQ_PBX_UART3 }
	168	#define PBX_SSP_IRQ { IRQ_PBX_SSP }
1b504bbe CT	169
1b504bbe CT	170	/* FPGA Primecells */
9199340b RK	171	APB_DEVICE(aaci, "fpga:aaci", AACI, NULL);
	172	APB_DEVICE(mmc0, "fpga:mmc0", MMCI0, &realview_mmc0_plat_data);
	173	APB_DEVICE(kmi0, "fpga:kmi0", KMI0, NULL);
	174	APB_DEVICE(kmi1, "fpga:kmi1", KMI1, NULL);
	175	APB_DEVICE(uart3, "fpga:uart3", PBX_UART3, NULL);
1b504bbe CT	176
1b504bbe CT	177	/* DevChip Primecells */
9199340b RK	178	AHB_DEVICE(smc, "dev:smc", PBX_SMC, NULL);
	179	AHB_DEVICE(sctl, "dev:sctl", SCTL, NULL);
	180	APB_DEVICE(wdog, "dev:wdog", PBX_WATCHDOG, NULL);
	181	APB_DEVICE(gpio0, "dev:gpio0", PBX_GPIO0, &gpio0_plat_data);
	182	APB_DEVICE(gpio1, "dev:gpio1", GPIO1, &gpio1_plat_data);
	183	APB_DEVICE(gpio2, "dev:gpio2", GPIO2, &gpio2_plat_data);
	184	APB_DEVICE(rtc, "dev:rtc", PBX_RTC, NULL);
	185	APB_DEVICE(sci0, "dev:sci0", SCI, NULL);
	186	APB_DEVICE(uart0, "dev:uart0", PBX_UART0, NULL);
	187	APB_DEVICE(uart1, "dev:uart1", PBX_UART1, NULL);
	188	APB_DEVICE(uart2, "dev:uart2", PBX_UART2, NULL);
	189	APB_DEVICE(ssp0, "dev:ssp0", PBX_SSP, &ssp0_plat_data);
1b504bbe CT	190
1b504bbe CT	191	/* Primecells on the NEC ISSP chip */
9199340b RK	192	AHB_DEVICE(clcd, "issp:clcd", PBX_CLCD, &clcd_plat_data);
9199340b RK	193	AHB_DEVICE(dmac, "issp:dmac", DMAC, NULL);
1b504bbe CT	194
	195	static struct amba_device *amba_devs[] __initdata = {
	196	&dmac_device,
	197	&uart0_device,
	198	&uart1_device,
	199	&uart2_device,
	200	&uart3_device,
	201	&smc_device,
	202	&clcd_device,
	203	&sctl_device,
	204	&wdog_device,
	205	&gpio0_device,
	206	&gpio1_device,
	207	&gpio2_device,
	208	&rtc_device,
	209	&sci0_device,
	210	&ssp0_device,
	211	&aaci_device,
	212	&mmc0_device,
	213	&kmi0_device,
	214	&kmi1_device,
	215	};
	216
	217	/*
	218	* RealView PB-X platform devices
	219	*/
	220	static struct resource realview_pbx_flash_resources[] = {
	221	[0] = {
	222	.start = REALVIEW_PBX_FLASH0_BASE,
	223	.end = REALVIEW_PBX_FLASH0_BASE + REALVIEW_PBX_FLASH0_SIZE - 1,
	224	.flags = IORESOURCE_MEM,
	225	},
	226	[1] = {
	227	.start = REALVIEW_PBX_FLASH1_BASE,
	228	.end = REALVIEW_PBX_FLASH1_BASE + REALVIEW_PBX_FLASH1_SIZE - 1,
	229	.flags = IORESOURCE_MEM,
	230	},
	231	};
	232
	233	static struct resource realview_pbx_smsc911x_resources[] = {
	234	[0] = {
	235	.start = REALVIEW_PBX_ETH_BASE,
	236	.end = REALVIEW_PBX_ETH_BASE + SZ_64K - 1,
	237	.flags = IORESOURCE_MEM,
	238	},
	239	[1] = {
	240	.start = IRQ_PBX_ETH,
	241	.end = IRQ_PBX_ETH,
	242	.flags = IORESOURCE_IRQ,
	243	},
	244	};
	245
	246	static struct resource realview_pbx_isp1761_resources[] = {
	247	[0] = {
	248	.start = REALVIEW_PBX_USB_BASE,
	249	.end = REALVIEW_PBX_USB_BASE + SZ_128K - 1,
	250	.flags = IORESOURCE_MEM,
	251	},
	252	[1] = {
	253	.start = IRQ_PBX_USB,
	254	.end = IRQ_PBX_USB,
	255	.flags = IORESOURCE_IRQ,
	256	},
	257	};
258
f417cbad WD	259	static struct resource pmu_resources[] = {
	260	[0] = {
	261	.start = IRQ_PBX_PMU_CPU0,
	262	.end = IRQ_PBX_PMU_CPU0,
	263	.flags = IORESOURCE_IRQ,
	264	},
	265	[1] = {
	266	.start = IRQ_PBX_PMU_CPU1,
	267	.end = IRQ_PBX_PMU_CPU1,
	268	.flags = IORESOURCE_IRQ,
	269	},
	270	[2] = {
	271	.start = IRQ_PBX_PMU_CPU2,
	272	.end = IRQ_PBX_PMU_CPU2,
	273	.flags = IORESOURCE_IRQ,
	274	},
	275	[3] = {
	276	.start = IRQ_PBX_PMU_CPU3,
	277	.end = IRQ_PBX_PMU_CPU3,
	278	.flags = IORESOURCE_IRQ,
	279	},
	280	};
	281
	282	static struct platform_device pmu_device = {
	283	.name = "arm-pmu",
df3d17e0	284	.id = -1,
f417cbad WD	285	.num_resources = ARRAY_SIZE(pmu_resources),
	286	.resource = pmu_resources,
	287	};
	288
1b504bbe CT	289	static void __init gic_init_irq(void)
	290	{
	291	/* ARM PBX on-board GIC */
	292	if (core_tile_pbx11mp() \|\| core_tile_pbxa9mp()) {
b580b899 RK	293	gic_init(0, 29, __io_address(REALVIEW_PBX_TILE_GIC_DIST_BASE),
b580b899 RK	294	__io_address(REALVIEW_PBX_TILE_GIC_CPU_BASE));
1b504bbe	295	} else {
b580b899 RK	296	gic_init(0, IRQ_PBX_GIC_START,
	297	__io_address(REALVIEW_PBX_GIC_DIST_BASE),
	298	__io_address(REALVIEW_PBX_GIC_CPU_BASE));
1b504bbe CT	299	}
	300	}
	301
7c380f27 MZ	302	#ifdef CONFIG_HAVE_ARM_TWD
	303	static DEFINE_TWD_LOCAL_TIMER(twd_local_timer,
	304	REALVIEW_PBX_TILE_TWD_BASE,
	305	IRQ_LOCALTIMER);
	306
	307	static void __init realview_pbx_twd_init(void)
	308	{
	309	int err = twd_local_timer_register(&twd_local_timer);
	310	if (err)
	311	pr_err("twd_local_timer_register failed %d\n", err);
	312	}
	313	#else
	314	#define realview_pbx_twd_init() do { } while(0)
	315	#endif
	316
1b504bbe CT	317	static void __init realview_pbx_timer_init(void)
	318	{
	319	timer0_va_base = __io_address(REALVIEW_PBX_TIMER0_1_BASE);
	320	timer1_va_base = __io_address(REALVIEW_PBX_TIMER0_1_BASE) + 0x20;
	321	timer2_va_base = __io_address(REALVIEW_PBX_TIMER2_3_BASE);
	322	timer3_va_base = __io_address(REALVIEW_PBX_TIMER2_3_BASE) + 0x20;
	323
f9a6aa43	324	realview_clk_init(__io_address(REALVIEW_SYS_BASE), false);
1b504bbe	325	realview_timer_init(IRQ_PBX_TIMER0_1);
7c380f27	326	realview_pbx_twd_init();
1b504bbe CT	327	}
1b504bbe CT	328
1c2f87c2	329	static void realview_pbx_fixup(struct tag tags, char *from)
c97c5aa8 CM	330	{
	331	#ifdef CONFIG_SPARSEMEM
	332	/*
	333	* Memory configuration with SPARSEMEM enabled on RealView PBX (see
	334	* asm/mach/memory.h for more information).
	335	*/
1c2f87c2 LA	336
	337	memblock_add(0, SZ_256M);
	338	memblock_add(0x20000000, SZ_512M);
	339	memblock_add(0x80000000, SZ_256M);
c97c5aa8	340	#else
1c2f87c2	341	realview_fixup(tags, from);
c97c5aa8 CM	342	#endif
	343	}
	344
7b6d864b	345	static void realview_pbx_restart(enum reboot_mode mode, const char *cmd)
4c9f8be7 CT	346	{
	347	void __iomem *reset_ctrl = __io_address(REALVIEW_SYS_RESETCTL);
	348	void __iomem *lock_ctrl = __io_address(REALVIEW_SYS_LOCK);
	349
	350	/*
	351	* To reset, we hit the on-board reset register
	352	* in the system FPGA
	353	*/
	354	__raw_writel(REALVIEW_SYS_LOCK_VAL, lock_ctrl);
df2e615a CT	355	__raw_writel(0x00F0, reset_ctrl);
df2e615a CT	356	__raw_writel(0x00F4, reset_ctrl);
47cacdd4	357	dsb();
4c9f8be7 CT	358	}
4c9f8be7 CT	359
1b504bbe CT	360	static void __init realview_pbx_init(void)
	361	{
	362	int i;
	363
	364	#ifdef CONFIG_CACHE_L2X0
	365	if (core_tile_pbxa9mp()) {
	366	void __iomem *l2x0_base =
	367	__io_address(REALVIEW_PBX_TILE_L220_BASE);
	368
	369	/* set RAM latencies to 1 cycle for eASIC */
1a5a954c RK	370	writel(0, l2x0_base + L310_TAG_LATENCY_CTRL);
1a5a954c RK	371	writel(0, l2x0_base + L310_DATA_LATENCY_CTRL);
1b504bbe CT	372
	373	/* 16KB way size, 8-way associativity, parity disabled
	374	* Bits: .. 0 0 0 0 1 00 1 0 1 001 0 000 0 .... .... .... */
	375	l2x0_init(l2x0_base, 0x02520000, 0xc0000fff);
f417cbad	376	platform_device_register(&pmu_device);
1b504bbe CT	377	}
	378	#endif
	379
	380	realview_flash_register(realview_pbx_flash_resources,
	381	ARRAY_SIZE(realview_pbx_flash_resources));
	382	realview_eth_register(NULL, realview_pbx_smsc911x_resources);
	383	platform_device_register(&realview_i2c_device);
	384	platform_device_register(&realview_cf_device);
e4ecf2bd	385	platform_device_register(&realview_leds_device);
1b504bbe CT	386	realview_usb_register(realview_pbx_isp1761_resources);
	387
	388	for (i = 0; i < ARRAY_SIZE(amba_devs); i++) {
	389	struct amba_device *d = amba_devs[i];
	390	amba_device_register(d, &iomem_resource);
	391	}
1b504bbe CT	392	}
	393
	394	MACHINE_START(REALVIEW_PBX, "ARM-RealView PBX")
	395	/* Maintainer: ARM Ltd/Deep Blue Solutions Ltd */
9ddea57e	396	.atag_offset = 0x100,
3695adc2	397	.smp = smp_ops(realview_smp_ops),
c97c5aa8	398	.fixup = realview_pbx_fixup,
1b504bbe	399	.map_io = realview_pbx_map_io,
631e55f9	400	.init_early = realview_init_early,
1b504bbe	401	.init_irq = gic_init_irq,
6bb27d73	402	.init_time = realview_pbx_timer_init,
1b504bbe	403	.init_machine = realview_pbx_init,
00e9125e NP	404	#ifdef CONFIG_ZONE_DMA
	405	.dma_zone_size = SZ_256M,
	406	#endif
47cacdd4	407	.restart = realview_pbx_restart,
1b504bbe	408	MACHINE_END