[linux-2.6-block.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 <asm/irq.h>
#include <asm/leds.h>
#include <asm/mach-types.h>
#include <asm/pmu.h>
#include <asm/smp_twd.h>
#include <asm/pgtable.h>
#include <asm/hardware/gic.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			= ARM_PMU_DEVICE_CPU,
	.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_timer_init(IRQ_PBX_TIMER0_1);
	realview_pbx_twd_init();
}

static struct sys_timer realview_pbx_timer = {
	.init		= realview_pbx_timer_init,
};

static void realview_pbx_fixup(struct tag *tags, char **from,
			       struct meminfo *meminfo)
{
#ifdef CONFIG_SPARSEMEM
	/*
	 * Memory configuration with SPARSEMEM enabled on RealView PBX (see
	 * asm/mach/memory.h for more information).
	 */
	meminfo->bank[0].start = 0;
	meminfo->bank[0].size = SZ_256M;
	meminfo->bank[1].start = 0x20000000;
	meminfo->bank[1].size = SZ_512M;
	meminfo->bank[2].start = 0x80000000;
	meminfo->bank[2].size = SZ_256M;
	meminfo->nr_banks = 3;
#else
	realview_fixup(tags, from, meminfo);
#endif
}

static void realview_pbx_restart(char 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 + L2X0_TAG_LATENCY_CTRL);
		writel(0, l2x0_base + L2X0_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);
	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);
	}

#ifdef CONFIG_LEDS
	leds_event = realview_leds_event;
#endif
}

MACHINE_START(REALVIEW_PBX, "ARM-RealView PBX")
	/* Maintainer: ARM Ltd/Deep Blue Solutions Ltd */
	.atag_offset	= 0x100,
	.fixup		= realview_pbx_fixup,
	.map_io		= realview_pbx_map_io,
	.init_early	= realview_init_early,
	.init_irq	= gic_init_irq,
	.timer		= &realview_pbx_timer,
	.handle_irq	= gic_handle_irq,
	.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 CT	28	#include <linux/io.h>
	29
	30	#include <asm/irq.h>
	31	#include <asm/leds.h>
	32	#include <asm/mach-types.h>
f417cbad	33	#include <asm/pmu.h>
c3c21740	34	#include <asm/smp_twd.h>
cc9897df	35	#include <asm/pgtable.h>
1b504bbe CT	36	#include <asm/hardware/gic.h>
	37	#include <asm/hardware/cache-l2x0.h>
	38
	39	#include <asm/mach/arch.h>
	40	#include <asm/mach/map.h>
1b504bbe CT	41	#include <asm/mach/time.h>
	42
	43	#include <mach/hardware.h>
	44	#include <mach/board-pbx.h>
	45	#include <mach/irqs.h>
	46
	47	#include "core.h"
	48
	49	static struct map_desc realview_pbx_io_desc[] __initdata = {
	50	{
	51	.virtual = IO_ADDRESS(REALVIEW_SYS_BASE),
	52	.pfn = __phys_to_pfn(REALVIEW_SYS_BASE),
	53	.length = SZ_4K,
	54	.type = MT_DEVICE,
	55	}, {
	56	.virtual = IO_ADDRESS(REALVIEW_PBX_GIC_CPU_BASE),
	57	.pfn = __phys_to_pfn(REALVIEW_PBX_GIC_CPU_BASE),
	58	.length = SZ_4K,
	59	.type = MT_DEVICE,
	60	}, {
	61	.virtual = IO_ADDRESS(REALVIEW_PBX_GIC_DIST_BASE),
	62	.pfn = __phys_to_pfn(REALVIEW_PBX_GIC_DIST_BASE),
	63	.length = SZ_4K,
	64	.type = MT_DEVICE,
	65	}, {
	66	.virtual = IO_ADDRESS(REALVIEW_SCTL_BASE),
	67	.pfn = __phys_to_pfn(REALVIEW_SCTL_BASE),
	68	.length = SZ_4K,
	69	.type = MT_DEVICE,
	70	}, {
	71	.virtual = IO_ADDRESS(REALVIEW_PBX_TIMER0_1_BASE),
	72	.pfn = __phys_to_pfn(REALVIEW_PBX_TIMER0_1_BASE),
	73	.length = SZ_4K,
	74	.type = MT_DEVICE,
	75	}, {
	76	.virtual = IO_ADDRESS(REALVIEW_PBX_TIMER2_3_BASE),
	77	.pfn = __phys_to_pfn(REALVIEW_PBX_TIMER2_3_BASE),
	78	.length = SZ_4K,
	79	.type = MT_DEVICE,
	80	},
	81	#ifdef CONFIG_PCI
	82	{
	83	.virtual = PCIX_UNIT_BASE,
	84	.pfn = __phys_to_pfn(REALVIEW_PBX_PCI_BASE),
	85	.length = REALVIEW_PBX_PCI_BASE_SIZE,
	86	.type = MT_DEVICE,
	87	},
	88	#endif
	89	#ifdef CONFIG_DEBUG_LL
	90	{
	91	.virtual = IO_ADDRESS(REALVIEW_PBX_UART0_BASE),
	92	.pfn = __phys_to_pfn(REALVIEW_PBX_UART0_BASE),
	93	.length = SZ_4K,
	94	.type = MT_DEVICE,
	95	},
	96	#endif
	97	};
	98
	99	static struct map_desc realview_local_io_desc[] __initdata = {
	100	{
9ceceb65 RH	101	.virtual = IO_ADDRESS(REALVIEW_PBX_TILE_SCU_BASE),
9ceceb65 RH	102	.pfn = __phys_to_pfn(REALVIEW_PBX_TILE_SCU_BASE),
1b504bbe CT	103	.length = SZ_4K,
	104	.type = MT_DEVICE,
	105	}, {
	106	.virtual = IO_ADDRESS(REALVIEW_PBX_TILE_GIC_DIST_BASE),
	107	.pfn = __phys_to_pfn(REALVIEW_PBX_TILE_GIC_DIST_BASE),
	108	.length = SZ_4K,
	109	.type = MT_DEVICE,
	110	}, {
	111	.virtual = IO_ADDRESS(REALVIEW_PBX_TILE_L220_BASE),
	112	.pfn = __phys_to_pfn(REALVIEW_PBX_TILE_L220_BASE),
	113	.length = SZ_8K,
	114	.type = MT_DEVICE,
	115	}
	116	};
	117
	118	static void __init realview_pbx_map_io(void)
	119	{
	120	iotable_init(realview_pbx_io_desc, ARRAY_SIZE(realview_pbx_io_desc));
	121	if (core_tile_pbx11mp() \|\| core_tile_pbxa9mp())
	122	iotable_init(realview_local_io_desc, ARRAY_SIZE(realview_local_io_desc));
	123	}
	124
eb7fffa3 RK	125	static struct pl061_platform_data gpio0_plat_data = {
eb7fffa3 RK	126	.gpio_base = 0,
eb7fffa3 RK	127	};
	128
	129	static struct pl061_platform_data gpio1_plat_data = {
	130	.gpio_base = 8,
eb7fffa3 RK	131	};
	132
	133	static struct pl061_platform_data gpio2_plat_data = {
	134	.gpio_base = 16,
eb7fffa3 RK	135	};
eb7fffa3 RK	136
d6ada860 LW	137	static struct pl022_ssp_controller ssp0_plat_data = {
	138	.bus_id = 0,
	139	.enable_dma = 0,
	140	.num_chipselect = 1,
	141	};
	142
1b504bbe CT	143	/*
	144	* RealView PBXCore AMBA devices
	145	*/
	146
0dada61a RK	147	#define GPIO2_IRQ { IRQ_PBX_GPIO2 }
	148	#define GPIO3_IRQ { IRQ_PBX_GPIO3 }
	149	#define AACI_IRQ { IRQ_PBX_AACI }
1b504bbe	150	#define MMCI0_IRQ { IRQ_PBX_MMCI0A, IRQ_PBX_MMCI0B }
0dada61a RK	151	#define KMI0_IRQ { IRQ_PBX_KMI0 }
	152	#define KMI1_IRQ { IRQ_PBX_KMI1 }
	153	#define PBX_SMC_IRQ { }
	154	#define MPMC_IRQ { }
	155	#define PBX_CLCD_IRQ { IRQ_PBX_CLCD }
	156	#define DMAC_IRQ { IRQ_PBX_DMAC }
	157	#define SCTL_IRQ { }
	158	#define PBX_WATCHDOG_IRQ { IRQ_PBX_WATCHDOG }
	159	#define PBX_GPIO0_IRQ { IRQ_PBX_GPIO0 }
	160	#define GPIO1_IRQ { IRQ_PBX_GPIO1 }
	161	#define PBX_RTC_IRQ { IRQ_PBX_RTC }
	162	#define SCI_IRQ { IRQ_PBX_SCI }
	163	#define PBX_UART0_IRQ { IRQ_PBX_UART0 }
	164	#define PBX_UART1_IRQ { IRQ_PBX_UART1 }
	165	#define PBX_UART2_IRQ { IRQ_PBX_UART2 }
	166	#define PBX_UART3_IRQ { IRQ_PBX_UART3 }
	167	#define PBX_SSP_IRQ { IRQ_PBX_SSP }
1b504bbe CT	168
1b504bbe CT	169	/* FPGA Primecells */
9199340b RK	170	APB_DEVICE(aaci, "fpga:aaci", AACI, NULL);
	171	APB_DEVICE(mmc0, "fpga:mmc0", MMCI0, &realview_mmc0_plat_data);
	172	APB_DEVICE(kmi0, "fpga:kmi0", KMI0, NULL);
	173	APB_DEVICE(kmi1, "fpga:kmi1", KMI1, NULL);
	174	APB_DEVICE(uart3, "fpga:uart3", PBX_UART3, NULL);
1b504bbe CT	175
1b504bbe CT	176	/* DevChip Primecells */
9199340b RK	177	AHB_DEVICE(smc, "dev:smc", PBX_SMC, NULL);
	178	AHB_DEVICE(sctl, "dev:sctl", SCTL, NULL);
	179	APB_DEVICE(wdog, "dev:wdog", PBX_WATCHDOG, NULL);
	180	APB_DEVICE(gpio0, "dev:gpio0", PBX_GPIO0, &gpio0_plat_data);
	181	APB_DEVICE(gpio1, "dev:gpio1", GPIO1, &gpio1_plat_data);
	182	APB_DEVICE(gpio2, "dev:gpio2", GPIO2, &gpio2_plat_data);
	183	APB_DEVICE(rtc, "dev:rtc", PBX_RTC, NULL);
	184	APB_DEVICE(sci0, "dev:sci0", SCI, NULL);
	185	APB_DEVICE(uart0, "dev:uart0", PBX_UART0, NULL);
	186	APB_DEVICE(uart1, "dev:uart1", PBX_UART1, NULL);
	187	APB_DEVICE(uart2, "dev:uart2", PBX_UART2, NULL);
	188	APB_DEVICE(ssp0, "dev:ssp0", PBX_SSP, &ssp0_plat_data);
1b504bbe CT	189
1b504bbe CT	190	/* Primecells on the NEC ISSP chip */
9199340b RK	191	AHB_DEVICE(clcd, "issp:clcd", PBX_CLCD, &clcd_plat_data);
9199340b RK	192	AHB_DEVICE(dmac, "issp:dmac", DMAC, NULL);
1b504bbe CT	193
	194	static struct amba_device *amba_devs[] __initdata = {
	195	&dmac_device,
	196	&uart0_device,
	197	&uart1_device,
	198	&uart2_device,
	199	&uart3_device,
	200	&smc_device,
	201	&clcd_device,
	202	&sctl_device,
	203	&wdog_device,
	204	&gpio0_device,
	205	&gpio1_device,
	206	&gpio2_device,
	207	&rtc_device,
	208	&sci0_device,
	209	&ssp0_device,
	210	&aaci_device,
	211	&mmc0_device,
	212	&kmi0_device,
	213	&kmi1_device,
	214	};
	215
	216	/*
	217	* RealView PB-X platform devices
	218	*/
	219	static struct resource realview_pbx_flash_resources[] = {
	220	[0] = {
	221	.start = REALVIEW_PBX_FLASH0_BASE,
	222	.end = REALVIEW_PBX_FLASH0_BASE + REALVIEW_PBX_FLASH0_SIZE - 1,
	223	.flags = IORESOURCE_MEM,
	224	},
	225	[1] = {
	226	.start = REALVIEW_PBX_FLASH1_BASE,
	227	.end = REALVIEW_PBX_FLASH1_BASE + REALVIEW_PBX_FLASH1_SIZE - 1,
	228	.flags = IORESOURCE_MEM,
	229	},
	230	};
	231
	232	static struct resource realview_pbx_smsc911x_resources[] = {
	233	[0] = {
	234	.start = REALVIEW_PBX_ETH_BASE,
	235	.end = REALVIEW_PBX_ETH_BASE + SZ_64K - 1,
	236	.flags = IORESOURCE_MEM,
	237	},
	238	[1] = {
	239	.start = IRQ_PBX_ETH,
	240	.end = IRQ_PBX_ETH,
	241	.flags = IORESOURCE_IRQ,
	242	},
	243	};
	244
	245	static struct resource realview_pbx_isp1761_resources[] = {
	246	[0] = {
	247	.start = REALVIEW_PBX_USB_BASE,
	248	.end = REALVIEW_PBX_USB_BASE + SZ_128K - 1,
	249	.flags = IORESOURCE_MEM,
	250	},
	251	[1] = {
	252	.start = IRQ_PBX_USB,
	253	.end = IRQ_PBX_USB,
	254	.flags = IORESOURCE_IRQ,
	255	},
	256	};
257
f417cbad WD	258	static struct resource pmu_resources[] = {
	259	[0] = {
	260	.start = IRQ_PBX_PMU_CPU0,
	261	.end = IRQ_PBX_PMU_CPU0,
	262	.flags = IORESOURCE_IRQ,
	263	},
	264	[1] = {
	265	.start = IRQ_PBX_PMU_CPU1,
	266	.end = IRQ_PBX_PMU_CPU1,
	267	.flags = IORESOURCE_IRQ,
	268	},
	269	[2] = {
	270	.start = IRQ_PBX_PMU_CPU2,
	271	.end = IRQ_PBX_PMU_CPU2,
	272	.flags = IORESOURCE_IRQ,
	273	},
	274	[3] = {
	275	.start = IRQ_PBX_PMU_CPU3,
	276	.end = IRQ_PBX_PMU_CPU3,
	277	.flags = IORESOURCE_IRQ,
	278	},
	279	};
	280
	281	static struct platform_device pmu_device = {
	282	.name = "arm-pmu",
	283	.id = ARM_PMU_DEVICE_CPU,
	284	.num_resources = ARRAY_SIZE(pmu_resources),
	285	.resource = pmu_resources,
	286	};
	287
1b504bbe CT	288	static void __init gic_init_irq(void)
	289	{
	290	/* ARM PBX on-board GIC */
	291	if (core_tile_pbx11mp() \|\| core_tile_pbxa9mp()) {
b580b899 RK	292	gic_init(0, 29, __io_address(REALVIEW_PBX_TILE_GIC_DIST_BASE),
b580b899 RK	293	__io_address(REALVIEW_PBX_TILE_GIC_CPU_BASE));
1b504bbe	294	} else {
b580b899 RK	295	gic_init(0, IRQ_PBX_GIC_START,
	296	__io_address(REALVIEW_PBX_GIC_DIST_BASE),
	297	__io_address(REALVIEW_PBX_GIC_CPU_BASE));
1b504bbe CT	298	}
	299	}
	300
7c380f27 MZ	301	#ifdef CONFIG_HAVE_ARM_TWD
	302	static DEFINE_TWD_LOCAL_TIMER(twd_local_timer,
	303	REALVIEW_PBX_TILE_TWD_BASE,
	304	IRQ_LOCALTIMER);
	305
	306	static void __init realview_pbx_twd_init(void)
	307	{
	308	int err = twd_local_timer_register(&twd_local_timer);
	309	if (err)
	310	pr_err("twd_local_timer_register failed %d\n", err);
	311	}
	312	#else
	313	#define realview_pbx_twd_init() do { } while(0)
	314	#endif
	315
1b504bbe CT	316	static void __init realview_pbx_timer_init(void)
	317	{
	318	timer0_va_base = __io_address(REALVIEW_PBX_TIMER0_1_BASE);
	319	timer1_va_base = __io_address(REALVIEW_PBX_TIMER0_1_BASE) + 0x20;
	320	timer2_va_base = __io_address(REALVIEW_PBX_TIMER2_3_BASE);
	321	timer3_va_base = __io_address(REALVIEW_PBX_TIMER2_3_BASE) + 0x20;
	322
1b504bbe	323	realview_timer_init(IRQ_PBX_TIMER0_1);
7c380f27	324	realview_pbx_twd_init();
1b504bbe CT	325	}
	326
	327	static struct sys_timer realview_pbx_timer = {
	328	.init = realview_pbx_timer_init,
	329	};
	330
0744a3ee RK	331	static void realview_pbx_fixup(struct tag tags, char *from,
0744a3ee RK	332	struct meminfo *meminfo)
c97c5aa8 CM	333	{
	334	#ifdef CONFIG_SPARSEMEM
	335	/*
	336	* Memory configuration with SPARSEMEM enabled on RealView PBX (see
	337	* asm/mach/memory.h for more information).
	338	*/
	339	meminfo->bank[0].start = 0;
	340	meminfo->bank[0].size = SZ_256M;
	341	meminfo->bank[1].start = 0x20000000;
	342	meminfo->bank[1].size = SZ_512M;
	343	meminfo->bank[2].start = 0x80000000;
	344	meminfo->bank[2].size = SZ_256M;
	345	meminfo->nr_banks = 3;
	346	#else
0744a3ee	347	realview_fixup(tags, from, meminfo);
c97c5aa8 CM	348	#endif
	349	}
	350
47cacdd4	351	static void realview_pbx_restart(char mode, const char *cmd)
4c9f8be7 CT	352	{
	353	void __iomem *reset_ctrl = __io_address(REALVIEW_SYS_RESETCTL);
	354	void __iomem *lock_ctrl = __io_address(REALVIEW_SYS_LOCK);
	355
	356	/*
	357	* To reset, we hit the on-board reset register
	358	* in the system FPGA
	359	*/
	360	__raw_writel(REALVIEW_SYS_LOCK_VAL, lock_ctrl);
df2e615a CT	361	__raw_writel(0x00F0, reset_ctrl);
df2e615a CT	362	__raw_writel(0x00F4, reset_ctrl);
47cacdd4	363	dsb();
4c9f8be7 CT	364	}
4c9f8be7 CT	365
1b504bbe CT	366	static void __init realview_pbx_init(void)
	367	{
	368	int i;
	369
	370	#ifdef CONFIG_CACHE_L2X0
	371	if (core_tile_pbxa9mp()) {
	372	void __iomem *l2x0_base =
	373	__io_address(REALVIEW_PBX_TILE_L220_BASE);
	374
	375	/* set RAM latencies to 1 cycle for eASIC */
	376	writel(0, l2x0_base + L2X0_TAG_LATENCY_CTRL);
	377	writel(0, l2x0_base + L2X0_DATA_LATENCY_CTRL);
	378
	379	/* 16KB way size, 8-way associativity, parity disabled
	380	* Bits: .. 0 0 0 0 1 00 1 0 1 001 0 000 0 .... .... .... */
	381	l2x0_init(l2x0_base, 0x02520000, 0xc0000fff);
f417cbad	382	platform_device_register(&pmu_device);
1b504bbe CT	383	}
	384	#endif
	385
	386	realview_flash_register(realview_pbx_flash_resources,
	387	ARRAY_SIZE(realview_pbx_flash_resources));
	388	realview_eth_register(NULL, realview_pbx_smsc911x_resources);
	389	platform_device_register(&realview_i2c_device);
	390	platform_device_register(&realview_cf_device);
	391	realview_usb_register(realview_pbx_isp1761_resources);
	392
	393	for (i = 0; i < ARRAY_SIZE(amba_devs); i++) {
	394	struct amba_device *d = amba_devs[i];
	395	amba_device_register(d, &iomem_resource);
	396	}
	397
	398	#ifdef CONFIG_LEDS
	399	leds_event = realview_leds_event;
	400	#endif
	401	}
	402
	403	MACHINE_START(REALVIEW_PBX, "ARM-RealView PBX")
	404	/* Maintainer: ARM Ltd/Deep Blue Solutions Ltd */
9ddea57e	405	.atag_offset = 0x100,
c97c5aa8	406	.fixup = realview_pbx_fixup,
1b504bbe	407	.map_io = realview_pbx_map_io,
631e55f9	408	.init_early = realview_init_early,
1b504bbe CT	409	.init_irq = gic_init_irq,
1b504bbe CT	410	.timer = &realview_pbx_timer,
1b99d9cc	411	.handle_irq = gic_handle_irq,
1b504bbe	412	.init_machine = realview_pbx_init,
00e9125e NP	413	#ifdef CONFIG_ZONE_DMA
	414	.dma_zone_size = SZ_256M,
	415	#endif
47cacdd4	416	.restart = realview_pbx_restart,
1b504bbe	417	MACHINE_END