realview_pb11mp.c 10 KB
Newer Older
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25
/*
 *  linux/arch/arm/mach-realview/realview_pb11mp.c
 *
 *  Copyright (C) 2008 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 as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * 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>
26
#include <linux/amba/pl061.h>
27
#include <linux/io.h>
28

29
#include <mach/hardware.h>
30 31 32 33 34 35
#include <asm/irq.h>
#include <asm/leds.h>
#include <asm/mach-types.h>
#include <asm/hardware/gic.h>
#include <asm/hardware/icst307.h>
#include <asm/hardware/cache-l2x0.h>
36
#include <asm/localtimer.h>
37 38 39 40 41 42 43

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

44 45
#include <mach/board-pb11mp.h>
#include <mach/irqs.h>
46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111

#include "core.h"
#include "clock.h"

static struct map_desc realview_pb11mp_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_PB11MP_GIC_CPU_BASE),
		.pfn		= __phys_to_pfn(REALVIEW_PB11MP_GIC_CPU_BASE),
		.length		= SZ_4K,
		.type		= MT_DEVICE,
	}, {
		.virtual	= IO_ADDRESS(REALVIEW_PB11MP_GIC_DIST_BASE),
		.pfn		= __phys_to_pfn(REALVIEW_PB11MP_GIC_DIST_BASE),
		.length		= SZ_4K,
		.type		= MT_DEVICE,
	}, {
		.virtual	= IO_ADDRESS(REALVIEW_TC11MP_GIC_CPU_BASE),
		.pfn		= __phys_to_pfn(REALVIEW_TC11MP_GIC_CPU_BASE),
		.length		= SZ_4K,
		.type		= MT_DEVICE,
	}, {
		.virtual	= IO_ADDRESS(REALVIEW_TC11MP_GIC_DIST_BASE),
		.pfn		= __phys_to_pfn(REALVIEW_TC11MP_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_PB11MP_TIMER0_1_BASE),
		.pfn		= __phys_to_pfn(REALVIEW_PB11MP_TIMER0_1_BASE),
		.length		= SZ_4K,
		.type		= MT_DEVICE,
	}, {
		.virtual	= IO_ADDRESS(REALVIEW_PB11MP_TIMER2_3_BASE),
		.pfn		= __phys_to_pfn(REALVIEW_PB11MP_TIMER2_3_BASE),
		.length		= SZ_4K,
		.type		= MT_DEVICE,
	}, {
		.virtual	= IO_ADDRESS(REALVIEW_TC11MP_L220_BASE),
		.pfn		= __phys_to_pfn(REALVIEW_TC11MP_L220_BASE),
		.length		= SZ_8K,
		.type		= MT_DEVICE,
	},
#ifdef CONFIG_DEBUG_LL
	{
		.virtual	= IO_ADDRESS(REALVIEW_PB11MP_UART0_BASE),
		.pfn		= __phys_to_pfn(REALVIEW_PB11MP_UART0_BASE),
		.length		= SZ_4K,
		.type		= MT_DEVICE,
	},
#endif
};

static void __init realview_pb11mp_map_io(void)
{
	iotable_init(realview_pb11mp_io_desc, ARRAY_SIZE(realview_pb11mp_io_desc));
}

112 113 114 115 116 117 118 119 120 121 122 123 124 125 126
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,
};

127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184
/*
 * RealView PB11MPCore AMBA devices
 */

#define GPIO2_IRQ		{ IRQ_PB11MP_GPIO2, NO_IRQ }
#define GPIO2_DMA		{ 0, 0 }
#define GPIO3_IRQ		{ IRQ_PB11MP_GPIO3, NO_IRQ }
#define GPIO3_DMA		{ 0, 0 }
#define AACI_IRQ		{ IRQ_TC11MP_AACI, NO_IRQ }
#define AACI_DMA		{ 0x80, 0x81 }
#define MMCI0_IRQ		{ IRQ_TC11MP_MMCI0A, IRQ_TC11MP_MMCI0B }
#define MMCI0_DMA		{ 0x84, 0 }
#define KMI0_IRQ		{ IRQ_TC11MP_KMI0, NO_IRQ }
#define KMI0_DMA		{ 0, 0 }
#define KMI1_IRQ		{ IRQ_TC11MP_KMI1, NO_IRQ }
#define KMI1_DMA		{ 0, 0 }
#define PB11MP_SMC_IRQ		{ NO_IRQ, NO_IRQ }
#define PB11MP_SMC_DMA		{ 0, 0 }
#define MPMC_IRQ		{ NO_IRQ, NO_IRQ }
#define MPMC_DMA		{ 0, 0 }
#define PB11MP_CLCD_IRQ		{ IRQ_PB11MP_CLCD, NO_IRQ }
#define PB11MP_CLCD_DMA		{ 0, 0 }
#define DMAC_IRQ		{ IRQ_PB11MP_DMAC, NO_IRQ }
#define DMAC_DMA		{ 0, 0 }
#define SCTL_IRQ		{ NO_IRQ, NO_IRQ }
#define SCTL_DMA		{ 0, 0 }
#define PB11MP_WATCHDOG_IRQ	{ IRQ_PB11MP_WATCHDOG, NO_IRQ }
#define PB11MP_WATCHDOG_DMA	{ 0, 0 }
#define PB11MP_GPIO0_IRQ	{ IRQ_PB11MP_GPIO0, NO_IRQ }
#define PB11MP_GPIO0_DMA	{ 0, 0 }
#define GPIO1_IRQ		{ IRQ_PB11MP_GPIO1, NO_IRQ }
#define GPIO1_DMA		{ 0, 0 }
#define PB11MP_RTC_IRQ		{ IRQ_TC11MP_RTC, NO_IRQ }
#define PB11MP_RTC_DMA		{ 0, 0 }
#define SCI_IRQ			{ IRQ_PB11MP_SCI, NO_IRQ }
#define SCI_DMA			{ 7, 6 }
#define PB11MP_UART0_IRQ	{ IRQ_TC11MP_UART0, NO_IRQ }
#define PB11MP_UART0_DMA	{ 15, 14 }
#define PB11MP_UART1_IRQ	{ IRQ_TC11MP_UART1, NO_IRQ }
#define PB11MP_UART1_DMA	{ 13, 12 }
#define PB11MP_UART2_IRQ	{ IRQ_PB11MP_UART2, NO_IRQ }
#define PB11MP_UART2_DMA	{ 11, 10 }
#define PB11MP_UART3_IRQ	{ IRQ_PB11MP_UART3, NO_IRQ }
#define PB11MP_UART3_DMA	{ 0x86, 0x87 }
#define PB11MP_SSP_IRQ		{ IRQ_PB11MP_SSP, NO_IRQ }
#define PB11MP_SSP_DMA		{ 9, 8 }

/* FPGA Primecells */
AMBA_DEVICE(aaci,	"fpga:04",	AACI,		NULL);
AMBA_DEVICE(mmc0,	"fpga:05",	MMCI0,		&realview_mmc0_plat_data);
AMBA_DEVICE(kmi0,	"fpga:06",	KMI0,		NULL);
AMBA_DEVICE(kmi1,	"fpga:07",	KMI1,		NULL);
AMBA_DEVICE(uart3,	"fpga:09",	PB11MP_UART3,	NULL);

/* DevChip Primecells */
AMBA_DEVICE(smc,	"dev:00",	PB11MP_SMC,	NULL);
AMBA_DEVICE(sctl,	"dev:e0",	SCTL,		NULL);
AMBA_DEVICE(wdog,	"dev:e1",	PB11MP_WATCHDOG, NULL);
185 186 187
AMBA_DEVICE(gpio0,	"dev:e4",	PB11MP_GPIO0,	&gpio0_plat_data);
AMBA_DEVICE(gpio1,	"dev:e5",	GPIO1,		&gpio1_plat_data);
AMBA_DEVICE(gpio2,	"dev:e6",	GPIO2,		&gpio2_plat_data);
188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249
AMBA_DEVICE(rtc,	"dev:e8",	PB11MP_RTC,	NULL);
AMBA_DEVICE(sci0,	"dev:f0",	SCI,		NULL);
AMBA_DEVICE(uart0,	"dev:f1",	PB11MP_UART0,	NULL);
AMBA_DEVICE(uart1,	"dev:f2",	PB11MP_UART1,	NULL);
AMBA_DEVICE(uart2,	"dev:f3",	PB11MP_UART2,	NULL);
AMBA_DEVICE(ssp0,	"dev:f4",	PB11MP_SSP,	NULL);

/* Primecells on the NEC ISSP chip */
AMBA_DEVICE(clcd,	"issp:20",	PB11MP_CLCD,	&clcd_plat_data);
AMBA_DEVICE(dmac,	"issp:30",	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 PB11MPCore platform devices
 */
static struct resource realview_pb11mp_flash_resource[] = {
	[0] = {
		.start		= REALVIEW_PB11MP_FLASH0_BASE,
		.end		= REALVIEW_PB11MP_FLASH0_BASE + REALVIEW_PB11MP_FLASH0_SIZE - 1,
		.flags		= IORESOURCE_MEM,
	},
	[1] = {
		.start		= REALVIEW_PB11MP_FLASH1_BASE,
		.end		= REALVIEW_PB11MP_FLASH1_BASE + REALVIEW_PB11MP_FLASH1_SIZE - 1,
		.flags		= IORESOURCE_MEM,
	},
};

static struct resource realview_pb11mp_smsc911x_resources[] = {
	[0] = {
		.start		= REALVIEW_PB11MP_ETH_BASE,
		.end		= REALVIEW_PB11MP_ETH_BASE + SZ_64K - 1,
		.flags		= IORESOURCE_MEM,
	},
	[1] = {
		.start		= IRQ_TC11MP_ETH,
		.end		= IRQ_TC11MP_ETH,
		.flags		= IORESOURCE_IRQ,
	},
};

250 251 252 253 254 255 256 257 258 259 260 261 262
static struct resource realview_pb11mp_isp1761_resources[] = {
	[0] = {
		.start		= REALVIEW_PB11MP_USB_BASE,
		.end		= REALVIEW_PB11MP_USB_BASE + SZ_128K - 1,
		.flags		= IORESOURCE_MEM,
	},
	[1] = {
		.start		= IRQ_TC11MP_USB,
		.end		= IRQ_TC11MP_USB,
		.flags		= IORESOURCE_IRQ,
	},
};

263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292
static void __init gic_init_irq(void)
{
	unsigned int pldctrl;

	/* new irq mode with no DCC */
	writel(0x0000a05f, __io_address(REALVIEW_SYS_LOCK));
	pldctrl = readl(__io_address(REALVIEW_SYS_BASE)	+ REALVIEW_PB11MP_SYS_PLD_CTRL1);
	pldctrl |= 2 << 22;
	writel(pldctrl, __io_address(REALVIEW_SYS_BASE) + REALVIEW_PB11MP_SYS_PLD_CTRL1);
	writel(0x00000000, __io_address(REALVIEW_SYS_LOCK));

	/* ARM11MPCore test chip GIC, primary */
	gic_cpu_base_addr = __io_address(REALVIEW_TC11MP_GIC_CPU_BASE);
	gic_dist_init(0, __io_address(REALVIEW_TC11MP_GIC_DIST_BASE), 29);
	gic_cpu_init(0, gic_cpu_base_addr);

	/* board GIC, secondary */
	gic_dist_init(1, __io_address(REALVIEW_PB11MP_GIC_DIST_BASE), IRQ_PB11MP_GIC_START);
	gic_cpu_init(1, __io_address(REALVIEW_PB11MP_GIC_CPU_BASE));
	gic_cascade_irq(1, IRQ_TC11MP_PB_IRQ1);
}

static void __init realview_pb11mp_timer_init(void)
{
	timer0_va_base = __io_address(REALVIEW_PB11MP_TIMER0_1_BASE);
	timer1_va_base = __io_address(REALVIEW_PB11MP_TIMER0_1_BASE) + 0x20;
	timer2_va_base = __io_address(REALVIEW_PB11MP_TIMER2_3_BASE);
	timer3_va_base = __io_address(REALVIEW_PB11MP_TIMER2_3_BASE) + 0x20;

#ifdef CONFIG_LOCAL_TIMERS
293
	twd_base = __io_address(REALVIEW_TC11MP_TWD_BASE);
294 295 296 297 298 299 300 301 302 303 304 305
#endif
	realview_timer_init(IRQ_TC11MP_TIMER0_1);
}

static struct sys_timer realview_pb11mp_timer = {
	.init		= realview_pb11mp_timer_init,
};

static void __init realview_pb11mp_init(void)
{
	int i;

306
#ifdef CONFIG_CACHE_L2X0
307 308 309
	/* 1MB (128KB/way), 8-way associativity, evmon/parity/share enabled
	 * Bits:  .... ...0 0111 1001 0000 .... .... .... */
	l2x0_init(__io_address(REALVIEW_TC11MP_L220_BASE), 0x00790000, 0xfe000fff);
310
#endif
311 312 313

	realview_flash_register(realview_pb11mp_flash_resource,
				ARRAY_SIZE(realview_pb11mp_flash_resource));
314
	realview_eth_register(NULL, realview_pb11mp_smsc911x_resources);
315
	platform_device_register(&realview_i2c_device);
316
	platform_device_register(&realview_cf_device);
317
	realview_usb_register(realview_pb11mp_isp1761_resources);
318 319 320 321 322 323 324 325 326 327 328 329 330 331 332

	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_PB11MP, "ARM-RealView PB11MPCore")
	/* Maintainer: ARM Ltd/Deep Blue Solutions Ltd */
	.phys_io	= REALVIEW_PB11MP_UART0_BASE,
	.io_pg_offst	= (IO_ADDRESS(REALVIEW_PB11MP_UART0_BASE) >> 18) & 0xfffc,
333
	.boot_params	= PHYS_OFFSET + 0x00000100,
334 335 336 337 338
	.map_io		= realview_pb11mp_map_io,
	.init_irq	= gic_init_irq,
	.timer		= &realview_pb11mp_timer,
	.init_machine	= realview_pb11mp_init,
MACHINE_END