[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 "hardware.h"
#include "board-pbx.h"
#include "irqs-pbx.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_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,
	},
};

#ifdef CONFIG_CACHE_L2X0
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			= "armv7-pmu",
	.id			= -1,
	.num_resources		= ARRAY_SIZE(pmu_resources),
	.resource		= pmu_resources,
};
#endif

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>
1b504bbe CT	43
6d407a6e AB	44	#include "hardware.h"
6d407a6e AB	45	#include "board-pbx.h"
38d2cfcc	46	#include "irqs-pbx.h"
1b504bbe CT	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	},
1b504bbe CT	82	#ifdef CONFIG_DEBUG_LL
	83	{
	84	.virtual = IO_ADDRESS(REALVIEW_PBX_UART0_BASE),
	85	.pfn = __phys_to_pfn(REALVIEW_PBX_UART0_BASE),
	86	.length = SZ_4K,
	87	.type = MT_DEVICE,
	88	},
	89	#endif
	90	};
	91
	92	static struct map_desc realview_local_io_desc[] __initdata = {
	93	{
9ceceb65 RH	94	.virtual = IO_ADDRESS(REALVIEW_PBX_TILE_SCU_BASE),
9ceceb65 RH	95	.pfn = __phys_to_pfn(REALVIEW_PBX_TILE_SCU_BASE),
1b504bbe CT	96	.length = SZ_4K,
	97	.type = MT_DEVICE,
	98	}, {
	99	.virtual = IO_ADDRESS(REALVIEW_PBX_TILE_GIC_DIST_BASE),
	100	.pfn = __phys_to_pfn(REALVIEW_PBX_TILE_GIC_DIST_BASE),
	101	.length = SZ_4K,
	102	.type = MT_DEVICE,
	103	}, {
	104	.virtual = IO_ADDRESS(REALVIEW_PBX_TILE_L220_BASE),
	105	.pfn = __phys_to_pfn(REALVIEW_PBX_TILE_L220_BASE),
	106	.length = SZ_8K,
	107	.type = MT_DEVICE,
	108	}
	109	};
	110
	111	static void __init realview_pbx_map_io(void)
	112	{
	113	iotable_init(realview_pbx_io_desc, ARRAY_SIZE(realview_pbx_io_desc));
	114	if (core_tile_pbx11mp() \|\| core_tile_pbxa9mp())
	115	iotable_init(realview_local_io_desc, ARRAY_SIZE(realview_local_io_desc));
	116	}
	117
eb7fffa3 RK	118	static struct pl061_platform_data gpio0_plat_data = {
eb7fffa3 RK	119	.gpio_base = 0,
eb7fffa3 RK	120	};
	121
	122	static struct pl061_platform_data gpio1_plat_data = {
	123	.gpio_base = 8,
eb7fffa3 RK	124	};
	125
	126	static struct pl061_platform_data gpio2_plat_data = {
	127	.gpio_base = 16,
eb7fffa3 RK	128	};
eb7fffa3 RK	129
d6ada860 LW	130	static struct pl022_ssp_controller ssp0_plat_data = {
	131	.bus_id = 0,
	132	.enable_dma = 0,
	133	.num_chipselect = 1,
	134	};
	135
1b504bbe CT	136	/*
	137	* RealView PBXCore AMBA devices
	138	*/
	139
0dada61a RK	140	#define GPIO2_IRQ { IRQ_PBX_GPIO2 }
	141	#define GPIO3_IRQ { IRQ_PBX_GPIO3 }
	142	#define AACI_IRQ { IRQ_PBX_AACI }
1b504bbe	143	#define MMCI0_IRQ { IRQ_PBX_MMCI0A, IRQ_PBX_MMCI0B }
0dada61a RK	144	#define KMI0_IRQ { IRQ_PBX_KMI0 }
	145	#define KMI1_IRQ { IRQ_PBX_KMI1 }
	146	#define PBX_SMC_IRQ { }
	147	#define MPMC_IRQ { }
	148	#define PBX_CLCD_IRQ { IRQ_PBX_CLCD }
	149	#define DMAC_IRQ { IRQ_PBX_DMAC }
	150	#define SCTL_IRQ { }
	151	#define PBX_WATCHDOG_IRQ { IRQ_PBX_WATCHDOG }
	152	#define PBX_GPIO0_IRQ { IRQ_PBX_GPIO0 }
	153	#define GPIO1_IRQ { IRQ_PBX_GPIO1 }
	154	#define PBX_RTC_IRQ { IRQ_PBX_RTC }
	155	#define SCI_IRQ { IRQ_PBX_SCI }
	156	#define PBX_UART0_IRQ { IRQ_PBX_UART0 }
	157	#define PBX_UART1_IRQ { IRQ_PBX_UART1 }
	158	#define PBX_UART2_IRQ { IRQ_PBX_UART2 }
	159	#define PBX_UART3_IRQ { IRQ_PBX_UART3 }
	160	#define PBX_SSP_IRQ { IRQ_PBX_SSP }
1b504bbe CT	161
1b504bbe CT	162	/* FPGA Primecells */
9199340b RK	163	APB_DEVICE(aaci, "fpga:aaci", AACI, NULL);
	164	APB_DEVICE(mmc0, "fpga:mmc0", MMCI0, &realview_mmc0_plat_data);
	165	APB_DEVICE(kmi0, "fpga:kmi0", KMI0, NULL);
	166	APB_DEVICE(kmi1, "fpga:kmi1", KMI1, NULL);
	167	APB_DEVICE(uart3, "fpga:uart3", PBX_UART3, NULL);
1b504bbe CT	168
1b504bbe CT	169	/* DevChip Primecells */
9199340b RK	170	AHB_DEVICE(smc, "dev:smc", PBX_SMC, NULL);
	171	AHB_DEVICE(sctl, "dev:sctl", SCTL, NULL);
	172	APB_DEVICE(wdog, "dev:wdog", PBX_WATCHDOG, NULL);
	173	APB_DEVICE(gpio0, "dev:gpio0", PBX_GPIO0, &gpio0_plat_data);
	174	APB_DEVICE(gpio1, "dev:gpio1", GPIO1, &gpio1_plat_data);
	175	APB_DEVICE(gpio2, "dev:gpio2", GPIO2, &gpio2_plat_data);
	176	APB_DEVICE(rtc, "dev:rtc", PBX_RTC, NULL);
	177	APB_DEVICE(sci0, "dev:sci0", SCI, NULL);
	178	APB_DEVICE(uart0, "dev:uart0", PBX_UART0, NULL);
	179	APB_DEVICE(uart1, "dev:uart1", PBX_UART1, NULL);
	180	APB_DEVICE(uart2, "dev:uart2", PBX_UART2, NULL);
	181	APB_DEVICE(ssp0, "dev:ssp0", PBX_SSP, &ssp0_plat_data);
1b504bbe CT	182
1b504bbe CT	183	/* Primecells on the NEC ISSP chip */
9199340b RK	184	AHB_DEVICE(clcd, "issp:clcd", PBX_CLCD, &clcd_plat_data);
9199340b RK	185	AHB_DEVICE(dmac, "issp:dmac", DMAC, NULL);
1b504bbe CT	186
	187	static struct amba_device *amba_devs[] __initdata = {
	188	&dmac_device,
	189	&uart0_device,
	190	&uart1_device,
	191	&uart2_device,
	192	&uart3_device,
	193	&smc_device,
	194	&clcd_device,
	195	&sctl_device,
	196	&wdog_device,
	197	&gpio0_device,
	198	&gpio1_device,
	199	&gpio2_device,
	200	&rtc_device,
	201	&sci0_device,
	202	&ssp0_device,
	203	&aaci_device,
	204	&mmc0_device,
	205	&kmi0_device,
	206	&kmi1_device,
	207	};
	208
	209	/*
	210	* RealView PB-X platform devices
	211	*/
	212	static struct resource realview_pbx_flash_resources[] = {
	213	[0] = {
	214	.start = REALVIEW_PBX_FLASH0_BASE,
	215	.end = REALVIEW_PBX_FLASH0_BASE + REALVIEW_PBX_FLASH0_SIZE - 1,
	216	.flags = IORESOURCE_MEM,
	217	},
	218	[1] = {
	219	.start = REALVIEW_PBX_FLASH1_BASE,
	220	.end = REALVIEW_PBX_FLASH1_BASE + REALVIEW_PBX_FLASH1_SIZE - 1,
	221	.flags = IORESOURCE_MEM,
	222	},
	223	};
	224
	225	static struct resource realview_pbx_smsc911x_resources[] = {
	226	[0] = {
	227	.start = REALVIEW_PBX_ETH_BASE,
	228	.end = REALVIEW_PBX_ETH_BASE + SZ_64K - 1,
	229	.flags = IORESOURCE_MEM,
	230	},
	231	[1] = {
	232	.start = IRQ_PBX_ETH,
	233	.end = IRQ_PBX_ETH,
	234	.flags = IORESOURCE_IRQ,
	235	},
	236	};
	237
	238	static struct resource realview_pbx_isp1761_resources[] = {
	239	[0] = {
	240	.start = REALVIEW_PBX_USB_BASE,
	241	.end = REALVIEW_PBX_USB_BASE + SZ_128K - 1,
	242	.flags = IORESOURCE_MEM,
	243	},
	244	[1] = {
	245	.start = IRQ_PBX_USB,
	246	.end = IRQ_PBX_USB,
	247	.flags = IORESOURCE_IRQ,
	248	},
	249	};
250
7fbbe38a	251	#ifdef CONFIG_CACHE_L2X0
f417cbad WD	252	static struct resource pmu_resources[] = {
	253	[0] = {
	254	.start = IRQ_PBX_PMU_CPU0,
	255	.end = IRQ_PBX_PMU_CPU0,
	256	.flags = IORESOURCE_IRQ,
	257	},
	258	[1] = {
	259	.start = IRQ_PBX_PMU_CPU1,
	260	.end = IRQ_PBX_PMU_CPU1,
	261	.flags = IORESOURCE_IRQ,
	262	},
	263	[2] = {
	264	.start = IRQ_PBX_PMU_CPU2,
	265	.end = IRQ_PBX_PMU_CPU2,
	266	.flags = IORESOURCE_IRQ,
	267	},
	268	[3] = {
	269	.start = IRQ_PBX_PMU_CPU3,
	270	.end = IRQ_PBX_PMU_CPU3,
	271	.flags = IORESOURCE_IRQ,
	272	},
	273	};
	274
	275	static struct platform_device pmu_device = {
cbed8388	276	.name = "armv7-pmu",
df3d17e0	277	.id = -1,
f417cbad WD	278	.num_resources = ARRAY_SIZE(pmu_resources),
	279	.resource = pmu_resources,
	280	};
7fbbe38a	281	#endif
f417cbad	282
1b504bbe CT	283	static void __init gic_init_irq(void)
	284	{
	285	/* ARM PBX on-board GIC */
	286	if (core_tile_pbx11mp() \|\| core_tile_pbxa9mp()) {
b580b899 RK	287	gic_init(0, 29, __io_address(REALVIEW_PBX_TILE_GIC_DIST_BASE),
b580b899 RK	288	__io_address(REALVIEW_PBX_TILE_GIC_CPU_BASE));
1b504bbe	289	} else {
b580b899 RK	290	gic_init(0, IRQ_PBX_GIC_START,
	291	__io_address(REALVIEW_PBX_GIC_DIST_BASE),
	292	__io_address(REALVIEW_PBX_GIC_CPU_BASE));
1b504bbe CT	293	}
	294	}
	295
7c380f27 MZ	296	#ifdef CONFIG_HAVE_ARM_TWD
	297	static DEFINE_TWD_LOCAL_TIMER(twd_local_timer,
	298	REALVIEW_PBX_TILE_TWD_BASE,
	299	IRQ_LOCALTIMER);
	300
	301	static void __init realview_pbx_twd_init(void)
	302	{
	303	int err = twd_local_timer_register(&twd_local_timer);
	304	if (err)
	305	pr_err("twd_local_timer_register failed %d\n", err);
	306	}
	307	#else
	308	#define realview_pbx_twd_init() do { } while(0)
	309	#endif
	310
1b504bbe CT	311	static void __init realview_pbx_timer_init(void)
	312	{
	313	timer0_va_base = __io_address(REALVIEW_PBX_TIMER0_1_BASE);
	314	timer1_va_base = __io_address(REALVIEW_PBX_TIMER0_1_BASE) + 0x20;
	315	timer2_va_base = __io_address(REALVIEW_PBX_TIMER2_3_BASE);
	316	timer3_va_base = __io_address(REALVIEW_PBX_TIMER2_3_BASE) + 0x20;
	317
f9a6aa43	318	realview_clk_init(__io_address(REALVIEW_SYS_BASE), false);
1b504bbe	319	realview_timer_init(IRQ_PBX_TIMER0_1);
7c380f27	320	realview_pbx_twd_init();
1b504bbe CT	321	}
1b504bbe CT	322
1c2f87c2	323	static void realview_pbx_fixup(struct tag tags, char *from)
c97c5aa8 CM	324	{
	325	#ifdef CONFIG_SPARSEMEM
	326	/*
	327	* Memory configuration with SPARSEMEM enabled on RealView PBX (see
	328	* asm/mach/memory.h for more information).
	329	*/
1c2f87c2 LA	330
	331	memblock_add(0, SZ_256M);
	332	memblock_add(0x20000000, SZ_512M);
	333	memblock_add(0x80000000, SZ_256M);
c97c5aa8	334	#else
1c2f87c2	335	realview_fixup(tags, from);
c97c5aa8 CM	336	#endif
	337	}
	338
7b6d864b	339	static void realview_pbx_restart(enum reboot_mode mode, const char *cmd)
4c9f8be7 CT	340	{
	341	void __iomem *reset_ctrl = __io_address(REALVIEW_SYS_RESETCTL);
	342	void __iomem *lock_ctrl = __io_address(REALVIEW_SYS_LOCK);
	343
	344	/*
	345	* To reset, we hit the on-board reset register
	346	* in the system FPGA
	347	*/
	348	__raw_writel(REALVIEW_SYS_LOCK_VAL, lock_ctrl);
df2e615a CT	349	__raw_writel(0x00F0, reset_ctrl);
df2e615a CT	350	__raw_writel(0x00F4, reset_ctrl);
47cacdd4	351	dsb();
4c9f8be7 CT	352	}
4c9f8be7 CT	353
1b504bbe CT	354	static void __init realview_pbx_init(void)
	355	{
	356	int i;
	357
	358	#ifdef CONFIG_CACHE_L2X0
	359	if (core_tile_pbxa9mp()) {
	360	void __iomem *l2x0_base =
	361	__io_address(REALVIEW_PBX_TILE_L220_BASE);
	362
	363	/* set RAM latencies to 1 cycle for eASIC */
1a5a954c RK	364	writel(0, l2x0_base + L310_TAG_LATENCY_CTRL);
1a5a954c RK	365	writel(0, l2x0_base + L310_DATA_LATENCY_CTRL);
1b504bbe CT	366
	367	/* 16KB way size, 8-way associativity, parity disabled
	368	* Bits: .. 0 0 0 0 1 00 1 0 1 001 0 000 0 .... .... .... */
	369	l2x0_init(l2x0_base, 0x02520000, 0xc0000fff);
f417cbad	370	platform_device_register(&pmu_device);
1b504bbe CT	371	}
	372	#endif
	373
	374	realview_flash_register(realview_pbx_flash_resources,
	375	ARRAY_SIZE(realview_pbx_flash_resources));
	376	realview_eth_register(NULL, realview_pbx_smsc911x_resources);
	377	platform_device_register(&realview_i2c_device);
	378	platform_device_register(&realview_cf_device);
e4ecf2bd	379	platform_device_register(&realview_leds_device);
1b504bbe CT	380	realview_usb_register(realview_pbx_isp1761_resources);
	381
	382	for (i = 0; i < ARRAY_SIZE(amba_devs); i++) {
	383	struct amba_device *d = amba_devs[i];
	384	amba_device_register(d, &iomem_resource);
	385	}
1b504bbe CT	386	}
	387
	388	MACHINE_START(REALVIEW_PBX, "ARM-RealView PBX")
	389	/* Maintainer: ARM Ltd/Deep Blue Solutions Ltd */
9ddea57e	390	.atag_offset = 0x100,
3695adc2	391	.smp = smp_ops(realview_smp_ops),
c97c5aa8	392	.fixup = realview_pbx_fixup,
1b504bbe	393	.map_io = realview_pbx_map_io,
631e55f9	394	.init_early = realview_init_early,
1b504bbe	395	.init_irq = gic_init_irq,
6bb27d73	396	.init_time = realview_pbx_timer_init,
1b504bbe	397	.init_machine = realview_pbx_init,
00e9125e NP	398	#ifdef CONFIG_ZONE_DMA
	399	.dma_zone_size = SZ_256M,
	400	#endif
47cacdd4	401	.restart = realview_pbx_restart,
1b504bbe	402	MACHINE_END