[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/sysdev.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_GIC_CPU_BASE),
		.pfn            = __phys_to_pfn(REALVIEW_PBX_TILE_GIC_CPU_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,
	.irq_base	= -1,
};

static struct pl061_platform_data gpio1_plat_data = {
	.gpio_base	= 8,
	.irq_base	= -1,
};

static struct pl061_platform_data gpio2_plat_data = {
	.gpio_base	= 16,
	.irq_base	= -1,
};

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, NO_IRQ }
#define GPIO2_DMA		{ 0, 0 }
#define GPIO3_IRQ		{ IRQ_PBX_GPIO3, NO_IRQ }
#define GPIO3_DMA		{ 0, 0 }
#define AACI_IRQ		{ IRQ_PBX_AACI, NO_IRQ }
#define AACI_DMA		{ 0x80, 0x81 }
#define MMCI0_IRQ		{ IRQ_PBX_MMCI0A, IRQ_PBX_MMCI0B }
#define MMCI0_DMA		{ 0x84, 0 }
#define KMI0_IRQ		{ IRQ_PBX_KMI0, NO_IRQ }
#define KMI0_DMA		{ 0, 0 }
#define KMI1_IRQ		{ IRQ_PBX_KMI1, NO_IRQ }
#define KMI1_DMA		{ 0, 0 }
#define PBX_SMC_IRQ		{ NO_IRQ, NO_IRQ }
#define PBX_SMC_DMA		{ 0, 0 }
#define MPMC_IRQ		{ NO_IRQ, NO_IRQ }
#define MPMC_DMA		{ 0, 0 }
#define PBX_CLCD_IRQ		{ IRQ_PBX_CLCD, NO_IRQ }
#define PBX_CLCD_DMA		{ 0, 0 }
#define DMAC_IRQ		{ IRQ_PBX_DMAC, NO_IRQ }
#define DMAC_DMA		{ 0, 0 }
#define SCTL_IRQ		{ NO_IRQ, NO_IRQ }
#define SCTL_DMA		{ 0, 0 }
#define PBX_WATCHDOG_IRQ	{ IRQ_PBX_WATCHDOG, NO_IRQ }
#define PBX_WATCHDOG_DMA	{ 0, 0 }
#define PBX_GPIO0_IRQ		{ IRQ_PBX_GPIO0, NO_IRQ }
#define PBX_GPIO0_DMA		{ 0, 0 }
#define GPIO1_IRQ		{ IRQ_PBX_GPIO1, NO_IRQ }
#define GPIO1_DMA		{ 0, 0 }
#define PBX_RTC_IRQ		{ IRQ_PBX_RTC, NO_IRQ }
#define PBX_RTC_DMA		{ 0, 0 }
#define SCI_IRQ			{ IRQ_PBX_SCI, NO_IRQ }
#define SCI_DMA			{ 7, 6 }
#define PBX_UART0_IRQ		{ IRQ_PBX_UART0, NO_IRQ }
#define PBX_UART0_DMA		{ 15, 14 }
#define PBX_UART1_IRQ		{ IRQ_PBX_UART1, NO_IRQ }
#define PBX_UART1_DMA		{ 13, 12 }
#define PBX_UART2_IRQ		{ IRQ_PBX_UART2, NO_IRQ }
#define PBX_UART2_DMA		{ 11, 10 }
#define PBX_UART3_IRQ		{ IRQ_PBX_UART3, NO_IRQ }
#define PBX_UART3_DMA		{ 0x86, 0x87 }
#define PBX_SSP_IRQ		{ IRQ_PBX_SSP, NO_IRQ }
#define PBX_SSP_DMA		{ 9, 8 }

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

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

/* Primecells on the NEC ISSP chip */
AMBA_DEVICE(clcd,	"issp:clcd",	PBX_CLCD,	&clcd_plat_data);
AMBA_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_cpu_base_addr = __io_address(REALVIEW_PBX_TILE_GIC_CPU_BASE);
		gic_dist_init(0, __io_address(REALVIEW_PBX_TILE_GIC_DIST_BASE),
			      29);
		gic_cpu_init(0, __io_address(REALVIEW_PBX_TILE_GIC_CPU_BASE));
	} else {
		gic_cpu_base_addr = __io_address(REALVIEW_PBX_GIC_CPU_BASE);
		gic_dist_init(0, __io_address(REALVIEW_PBX_GIC_DIST_BASE),
			      IRQ_PBX_GIC_START);
		gic_cpu_init(0, __io_address(REALVIEW_PBX_GIC_CPU_BASE));
	}
}

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;

#ifdef CONFIG_LOCAL_TIMERS
	if (core_tile_pbx11mp() || core_tile_pbxa9mp())
		twd_base = __io_address(REALVIEW_PBX_TILE_TWD_BASE);
#endif
	realview_timer_init(IRQ_PBX_TIMER0_1);
}

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

static void realview_pbx_fixup(struct machine_desc *mdesc, 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(mdesc, tags, from, meminfo);
#endif
}

static void realview_pbx_reset(char mode)
{
	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);
}

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
	realview_reset = realview_pbx_reset;
}

MACHINE_START(REALVIEW_PBX, "ARM-RealView PBX")
	/* Maintainer: ARM Ltd/Deep Blue Solutions Ltd */
	.boot_params	= PHYS_OFFSET + 0x00000100,
	.fixup		= realview_pbx_fixup,
	.map_io		= realview_pbx_map_io,
	.init_irq	= gic_init_irq,
	.timer		= &realview_pbx_timer,
	.init_machine	= realview_pbx_init,
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>
	23	#include <linux/sysdev.h>
	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	{
	101	.virtual = IO_ADDRESS(REALVIEW_PBX_TILE_GIC_CPU_BASE),
	102	.pfn = __phys_to_pfn(REALVIEW_PBX_TILE_GIC_CPU_BASE),
	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 = {
	126	.gpio_base = 0,
	127	.irq_base = -1,
	128	};
	129
	130	static struct pl061_platform_data gpio1_plat_data = {
	131	.gpio_base = 8,
	132	.irq_base = -1,
	133	};
	134
	135	static struct pl061_platform_data gpio2_plat_data = {
	136	.gpio_base = 16,
	137	.irq_base = -1,
	138	};
	139
d6ada860 LW	140	static struct pl022_ssp_controller ssp0_plat_data = {
	141	.bus_id = 0,
	142	.enable_dma = 0,
	143	.num_chipselect = 1,
	144	};
	145
1b504bbe CT	146	/*
	147	* RealView PBXCore AMBA devices
	148	*/
	149
	150	#define GPIO2_IRQ { IRQ_PBX_GPIO2, NO_IRQ }
	151	#define GPIO2_DMA { 0, 0 }
	152	#define GPIO3_IRQ { IRQ_PBX_GPIO3, NO_IRQ }
	153	#define GPIO3_DMA { 0, 0 }
	154	#define AACI_IRQ { IRQ_PBX_AACI, NO_IRQ }
	155	#define AACI_DMA { 0x80, 0x81 }
	156	#define MMCI0_IRQ { IRQ_PBX_MMCI0A, IRQ_PBX_MMCI0B }
	157	#define MMCI0_DMA { 0x84, 0 }
	158	#define KMI0_IRQ { IRQ_PBX_KMI0, NO_IRQ }
	159	#define KMI0_DMA { 0, 0 }
	160	#define KMI1_IRQ { IRQ_PBX_KMI1, NO_IRQ }
	161	#define KMI1_DMA { 0, 0 }
	162	#define PBX_SMC_IRQ { NO_IRQ, NO_IRQ }
	163	#define PBX_SMC_DMA { 0, 0 }
	164	#define MPMC_IRQ { NO_IRQ, NO_IRQ }
	165	#define MPMC_DMA { 0, 0 }
	166	#define PBX_CLCD_IRQ { IRQ_PBX_CLCD, NO_IRQ }
	167	#define PBX_CLCD_DMA { 0, 0 }
	168	#define DMAC_IRQ { IRQ_PBX_DMAC, NO_IRQ }
	169	#define DMAC_DMA { 0, 0 }
	170	#define SCTL_IRQ { NO_IRQ, NO_IRQ }
	171	#define SCTL_DMA { 0, 0 }
	172	#define PBX_WATCHDOG_IRQ { IRQ_PBX_WATCHDOG, NO_IRQ }
	173	#define PBX_WATCHDOG_DMA { 0, 0 }
	174	#define PBX_GPIO0_IRQ { IRQ_PBX_GPIO0, NO_IRQ }
	175	#define PBX_GPIO0_DMA { 0, 0 }
	176	#define GPIO1_IRQ { IRQ_PBX_GPIO1, NO_IRQ }
	177	#define GPIO1_DMA { 0, 0 }
	178	#define PBX_RTC_IRQ { IRQ_PBX_RTC, NO_IRQ }
	179	#define PBX_RTC_DMA { 0, 0 }
	180	#define SCI_IRQ { IRQ_PBX_SCI, NO_IRQ }
	181	#define SCI_DMA { 7, 6 }
	182	#define PBX_UART0_IRQ { IRQ_PBX_UART0, NO_IRQ }
	183	#define PBX_UART0_DMA { 15, 14 }
	184	#define PBX_UART1_IRQ { IRQ_PBX_UART1, NO_IRQ }
	185	#define PBX_UART1_DMA { 13, 12 }
	186	#define PBX_UART2_IRQ { IRQ_PBX_UART2, NO_IRQ }
	187	#define PBX_UART2_DMA { 11, 10 }
	188	#define PBX_UART3_IRQ { IRQ_PBX_UART3, NO_IRQ }
	189	#define PBX_UART3_DMA { 0x86, 0x87 }
	190	#define PBX_SSP_IRQ { IRQ_PBX_SSP, NO_IRQ }
	191	#define PBX_SSP_DMA { 9, 8 }
	192
	193	/* FPGA Primecells */
4321532c LW	194	AMBA_DEVICE(aaci, "fpga:aaci", AACI, NULL);
	195	AMBA_DEVICE(mmc0, "fpga:mmc0", MMCI0, &realview_mmc0_plat_data);
	196	AMBA_DEVICE(kmi0, "fpga:kmi0", KMI0, NULL);
	197	AMBA_DEVICE(kmi1, "fpga:kmi1", KMI1, NULL);
	198	AMBA_DEVICE(uart3, "fpga:uart3", PBX_UART3, NULL);
1b504bbe CT	199
1b504bbe CT	200	/* DevChip Primecells */
4321532c LW	201	AMBA_DEVICE(smc, "dev:smc", PBX_SMC, NULL);
	202	AMBA_DEVICE(sctl, "dev:sctl", SCTL, NULL);
	203	AMBA_DEVICE(wdog, "dev:wdog", PBX_WATCHDOG, NULL);
	204	AMBA_DEVICE(gpio0, "dev:gpio0", PBX_GPIO0, &gpio0_plat_data);
	205	AMBA_DEVICE(gpio1, "dev:gpio1", GPIO1, &gpio1_plat_data);
	206	AMBA_DEVICE(gpio2, "dev:gpio2", GPIO2, &gpio2_plat_data);
	207	AMBA_DEVICE(rtc, "dev:rtc", PBX_RTC, NULL);
	208	AMBA_DEVICE(sci0, "dev:sci0", SCI, NULL);
	209	AMBA_DEVICE(uart0, "dev:uart0", PBX_UART0, NULL);
	210	AMBA_DEVICE(uart1, "dev:uart1", PBX_UART1, NULL);
	211	AMBA_DEVICE(uart2, "dev:uart2", PBX_UART2, NULL);
d6ada860	212	AMBA_DEVICE(ssp0, "dev:ssp0", PBX_SSP, &ssp0_plat_data);
1b504bbe CT	213
1b504bbe CT	214	/* Primecells on the NEC ISSP chip */
4321532c LW	215	AMBA_DEVICE(clcd, "issp:clcd", PBX_CLCD, &clcd_plat_data);
4321532c LW	216	AMBA_DEVICE(dmac, "issp:dmac", DMAC, NULL);
1b504bbe CT	217
	218	static struct amba_device *amba_devs[] __initdata = {
	219	&dmac_device,
	220	&uart0_device,
	221	&uart1_device,
	222	&uart2_device,
	223	&uart3_device,
	224	&smc_device,
	225	&clcd_device,
	226	&sctl_device,
	227	&wdog_device,
	228	&gpio0_device,
	229	&gpio1_device,
	230	&gpio2_device,
	231	&rtc_device,
	232	&sci0_device,
	233	&ssp0_device,
	234	&aaci_device,
	235	&mmc0_device,
	236	&kmi0_device,
	237	&kmi1_device,
	238	};
	239
	240	/*
	241	* RealView PB-X platform devices
	242	*/
	243	static struct resource realview_pbx_flash_resources[] = {
	244	[0] = {
	245	.start = REALVIEW_PBX_FLASH0_BASE,
	246	.end = REALVIEW_PBX_FLASH0_BASE + REALVIEW_PBX_FLASH0_SIZE - 1,
	247	.flags = IORESOURCE_MEM,
	248	},
	249	[1] = {
	250	.start = REALVIEW_PBX_FLASH1_BASE,
	251	.end = REALVIEW_PBX_FLASH1_BASE + REALVIEW_PBX_FLASH1_SIZE - 1,
	252	.flags = IORESOURCE_MEM,
	253	},
	254	};
	255
	256	static struct resource realview_pbx_smsc911x_resources[] = {
	257	[0] = {
	258	.start = REALVIEW_PBX_ETH_BASE,
	259	.end = REALVIEW_PBX_ETH_BASE + SZ_64K - 1,
	260	.flags = IORESOURCE_MEM,
	261	},
	262	[1] = {
	263	.start = IRQ_PBX_ETH,
	264	.end = IRQ_PBX_ETH,
	265	.flags = IORESOURCE_IRQ,
	266	},
	267	};
	268
	269	static struct resource realview_pbx_isp1761_resources[] = {
	270	[0] = {
	271	.start = REALVIEW_PBX_USB_BASE,
	272	.end = REALVIEW_PBX_USB_BASE + SZ_128K - 1,
	273	.flags = IORESOURCE_MEM,
	274	},
	275	[1] = {
	276	.start = IRQ_PBX_USB,
	277	.end = IRQ_PBX_USB,
	278	.flags = IORESOURCE_IRQ,
	279	},
	280	};
281
f417cbad WD	282	static struct resource pmu_resources[] = {
	283	[0] = {
	284	.start = IRQ_PBX_PMU_CPU0,
	285	.end = IRQ_PBX_PMU_CPU0,
	286	.flags = IORESOURCE_IRQ,
	287	},
	288	[1] = {
	289	.start = IRQ_PBX_PMU_CPU1,
	290	.end = IRQ_PBX_PMU_CPU1,
	291	.flags = IORESOURCE_IRQ,
	292	},
	293	[2] = {
	294	.start = IRQ_PBX_PMU_CPU2,
	295	.end = IRQ_PBX_PMU_CPU2,
	296	.flags = IORESOURCE_IRQ,
	297	},
	298	[3] = {
	299	.start = IRQ_PBX_PMU_CPU3,
	300	.end = IRQ_PBX_PMU_CPU3,
	301	.flags = IORESOURCE_IRQ,
	302	},
	303	};
	304
	305	static struct platform_device pmu_device = {
	306	.name = "arm-pmu",
	307	.id = ARM_PMU_DEVICE_CPU,
	308	.num_resources = ARRAY_SIZE(pmu_resources),
	309	.resource = pmu_resources,
	310	};
	311
1b504bbe CT	312	static void __init gic_init_irq(void)
	313	{
	314	/* ARM PBX on-board GIC */
	315	if (core_tile_pbx11mp() \|\| core_tile_pbxa9mp()) {
	316	gic_cpu_base_addr = __io_address(REALVIEW_PBX_TILE_GIC_CPU_BASE);
	317	gic_dist_init(0, __io_address(REALVIEW_PBX_TILE_GIC_DIST_BASE),
	318	29);
	319	gic_cpu_init(0, __io_address(REALVIEW_PBX_TILE_GIC_CPU_BASE));
	320	} else {
	321	gic_cpu_base_addr = __io_address(REALVIEW_PBX_GIC_CPU_BASE);
	322	gic_dist_init(0, __io_address(REALVIEW_PBX_GIC_DIST_BASE),
	323	IRQ_PBX_GIC_START);
	324	gic_cpu_init(0, __io_address(REALVIEW_PBX_GIC_CPU_BASE));
	325	}
	326	}
	327
	328	static void __init realview_pbx_timer_init(void)
	329	{
	330	timer0_va_base = __io_address(REALVIEW_PBX_TIMER0_1_BASE);
	331	timer1_va_base = __io_address(REALVIEW_PBX_TIMER0_1_BASE) + 0x20;
	332	timer2_va_base = __io_address(REALVIEW_PBX_TIMER2_3_BASE);
	333	timer3_va_base = __io_address(REALVIEW_PBX_TIMER2_3_BASE) + 0x20;
	334
	335	#ifdef CONFIG_LOCAL_TIMERS
	336	if (core_tile_pbx11mp() \|\| core_tile_pbxa9mp())
	337	twd_base = __io_address(REALVIEW_PBX_TILE_TWD_BASE);
	338	#endif
	339	realview_timer_init(IRQ_PBX_TIMER0_1);
	340	}
	341
	342	static struct sys_timer realview_pbx_timer = {
	343	.init = realview_pbx_timer_init,
	344	};
	345
c97c5aa8 CM	346	static void realview_pbx_fixup(struct machine_desc mdesc, struct tag tags,
	347	char *from, struct meminfo meminfo)
	348	{
	349	#ifdef CONFIG_SPARSEMEM
	350	/*
	351	* Memory configuration with SPARSEMEM enabled on RealView PBX (see
	352	* asm/mach/memory.h for more information).
	353	*/
	354	meminfo->bank[0].start = 0;
	355	meminfo->bank[0].size = SZ_256M;
	356	meminfo->bank[1].start = 0x20000000;
	357	meminfo->bank[1].size = SZ_512M;
	358	meminfo->bank[2].start = 0x80000000;
	359	meminfo->bank[2].size = SZ_256M;
	360	meminfo->nr_banks = 3;
	361	#else
	362	realview_fixup(mdesc, tags, from, meminfo);
	363	#endif
	364	}
	365
4c9f8be7 CT	366	static void realview_pbx_reset(char mode)
	367	{
	368	void __iomem *reset_ctrl = __io_address(REALVIEW_SYS_RESETCTL);
	369	void __iomem *lock_ctrl = __io_address(REALVIEW_SYS_LOCK);
	370
	371	/*
	372	* To reset, we hit the on-board reset register
	373	* in the system FPGA
	374	*/
	375	__raw_writel(REALVIEW_SYS_LOCK_VAL, lock_ctrl);
df2e615a CT	376	__raw_writel(0x00F0, reset_ctrl);
df2e615a CT	377	__raw_writel(0x00F4, reset_ctrl);
4c9f8be7 CT	378	}
4c9f8be7 CT	379
1b504bbe CT	380	static void __init realview_pbx_init(void)
	381	{
	382	int i;
	383
	384	#ifdef CONFIG_CACHE_L2X0
	385	if (core_tile_pbxa9mp()) {
	386	void __iomem *l2x0_base =
	387	__io_address(REALVIEW_PBX_TILE_L220_BASE);
	388
	389	/* set RAM latencies to 1 cycle for eASIC */
	390	writel(0, l2x0_base + L2X0_TAG_LATENCY_CTRL);
	391	writel(0, l2x0_base + L2X0_DATA_LATENCY_CTRL);
	392
	393	/* 16KB way size, 8-way associativity, parity disabled
	394	* Bits: .. 0 0 0 0 1 00 1 0 1 001 0 000 0 .... .... .... */
	395	l2x0_init(l2x0_base, 0x02520000, 0xc0000fff);
f417cbad	396	platform_device_register(&pmu_device);
1b504bbe CT	397	}
	398	#endif
	399
	400	realview_flash_register(realview_pbx_flash_resources,
	401	ARRAY_SIZE(realview_pbx_flash_resources));
	402	realview_eth_register(NULL, realview_pbx_smsc911x_resources);
	403	platform_device_register(&realview_i2c_device);
	404	platform_device_register(&realview_cf_device);
	405	realview_usb_register(realview_pbx_isp1761_resources);
	406
	407	for (i = 0; i < ARRAY_SIZE(amba_devs); i++) {
	408	struct amba_device *d = amba_devs[i];
	409	amba_device_register(d, &iomem_resource);
	410	}
	411
	412	#ifdef CONFIG_LEDS
	413	leds_event = realview_leds_event;
	414	#endif
4c9f8be7	415	realview_reset = realview_pbx_reset;
1b504bbe CT	416	}
	417
	418	MACHINE_START(REALVIEW_PBX, "ARM-RealView PBX")
	419	/* Maintainer: ARM Ltd/Deep Blue Solutions Ltd */
1b504bbe	420	.boot_params = PHYS_OFFSET + 0x00000100,
c97c5aa8	421	.fixup = realview_pbx_fixup,
1b504bbe CT	422	.map_io = realview_pbx_map_io,
	423	.init_irq = gic_init_irq,
	424	.timer = &realview_pbx_timer,
	425	.init_machine = realview_pbx_init,
	426	MACHINE_END