2 * linux/arch/arm/mach-realview/realview_pb11mp.c
4 * Copyright (C) 2008 ARM Limited
5 * Copyright (C) 2000 Deep Blue Solutions Ltd
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 #include <linux/init.h>
23 #include <linux/platform_device.h>
24 #include <linux/device.h>
25 #include <linux/amba/bus.h>
26 #include <linux/amba/pl061.h>
27 #include <linux/amba/mmci.h>
28 #include <linux/amba/pl022.h>
31 #include <mach/hardware.h>
34 #include <asm/mach-types.h>
36 #include <asm/pgtable.h>
37 #include <asm/hardware/gic.h>
38 #include <asm/hardware/cache-l2x0.h>
39 #include <asm/localtimer.h>
41 #include <asm/mach/arch.h>
42 #include <asm/mach/flash.h>
43 #include <asm/mach/map.h>
44 #include <asm/mach/time.h>
46 #include <mach/board-pb11mp.h>
47 #include <mach/irqs.h>
51 static struct map_desc realview_pb11mp_io_desc
[] __initdata
= {
53 .virtual = IO_ADDRESS(REALVIEW_SYS_BASE
),
54 .pfn
= __phys_to_pfn(REALVIEW_SYS_BASE
),
58 .virtual = IO_ADDRESS(REALVIEW_PB11MP_GIC_CPU_BASE
),
59 .pfn
= __phys_to_pfn(REALVIEW_PB11MP_GIC_CPU_BASE
),
63 .virtual = IO_ADDRESS(REALVIEW_PB11MP_GIC_DIST_BASE
),
64 .pfn
= __phys_to_pfn(REALVIEW_PB11MP_GIC_DIST_BASE
),
68 .virtual = IO_ADDRESS(REALVIEW_TC11MP_GIC_CPU_BASE
),
69 .pfn
= __phys_to_pfn(REALVIEW_TC11MP_GIC_CPU_BASE
),
73 .virtual = IO_ADDRESS(REALVIEW_TC11MP_GIC_DIST_BASE
),
74 .pfn
= __phys_to_pfn(REALVIEW_TC11MP_GIC_DIST_BASE
),
78 .virtual = IO_ADDRESS(REALVIEW_SCTL_BASE
),
79 .pfn
= __phys_to_pfn(REALVIEW_SCTL_BASE
),
83 .virtual = IO_ADDRESS(REALVIEW_PB11MP_TIMER0_1_BASE
),
84 .pfn
= __phys_to_pfn(REALVIEW_PB11MP_TIMER0_1_BASE
),
88 .virtual = IO_ADDRESS(REALVIEW_PB11MP_TIMER2_3_BASE
),
89 .pfn
= __phys_to_pfn(REALVIEW_PB11MP_TIMER2_3_BASE
),
93 .virtual = IO_ADDRESS(REALVIEW_TC11MP_L220_BASE
),
94 .pfn
= __phys_to_pfn(REALVIEW_TC11MP_L220_BASE
),
98 #ifdef CONFIG_DEBUG_LL
100 .virtual = IO_ADDRESS(REALVIEW_PB11MP_UART0_BASE
),
101 .pfn
= __phys_to_pfn(REALVIEW_PB11MP_UART0_BASE
),
108 static void __init
realview_pb11mp_map_io(void)
110 iotable_init(realview_pb11mp_io_desc
, ARRAY_SIZE(realview_pb11mp_io_desc
));
113 static struct pl061_platform_data gpio0_plat_data
= {
118 static struct pl061_platform_data gpio1_plat_data
= {
123 static struct pl061_platform_data gpio2_plat_data
= {
128 static struct pl022_ssp_controller ssp0_plat_data
= {
135 * RealView PB11MPCore AMBA devices
138 #define GPIO2_IRQ { IRQ_PB11MP_GPIO2, NO_IRQ }
139 #define GPIO3_IRQ { IRQ_PB11MP_GPIO3, NO_IRQ }
140 #define AACI_IRQ { IRQ_TC11MP_AACI, NO_IRQ }
141 #define MMCI0_IRQ { IRQ_TC11MP_MMCI0A, IRQ_TC11MP_MMCI0B }
142 #define KMI0_IRQ { IRQ_TC11MP_KMI0, NO_IRQ }
143 #define KMI1_IRQ { IRQ_TC11MP_KMI1, NO_IRQ }
144 #define PB11MP_SMC_IRQ { NO_IRQ, NO_IRQ }
145 #define MPMC_IRQ { NO_IRQ, NO_IRQ }
146 #define PB11MP_CLCD_IRQ { IRQ_PB11MP_CLCD, NO_IRQ }
147 #define DMAC_IRQ { IRQ_PB11MP_DMAC, NO_IRQ }
148 #define SCTL_IRQ { NO_IRQ, NO_IRQ }
149 #define PB11MP_WATCHDOG_IRQ { IRQ_PB11MP_WATCHDOG, NO_IRQ }
150 #define PB11MP_GPIO0_IRQ { IRQ_PB11MP_GPIO0, NO_IRQ }
151 #define GPIO1_IRQ { IRQ_PB11MP_GPIO1, NO_IRQ }
152 #define PB11MP_RTC_IRQ { IRQ_TC11MP_RTC, NO_IRQ }
153 #define SCI_IRQ { IRQ_PB11MP_SCI, NO_IRQ }
154 #define PB11MP_UART0_IRQ { IRQ_TC11MP_UART0, NO_IRQ }
155 #define PB11MP_UART1_IRQ { IRQ_TC11MP_UART1, NO_IRQ }
156 #define PB11MP_UART2_IRQ { IRQ_PB11MP_UART2, NO_IRQ }
157 #define PB11MP_UART3_IRQ { IRQ_PB11MP_UART3, NO_IRQ }
158 #define PB11MP_SSP_IRQ { IRQ_PB11MP_SSP, NO_IRQ }
160 /* FPGA Primecells */
161 AMBA_DEVICE(aaci
, "fpga:aaci", AACI
, NULL
);
162 AMBA_DEVICE(mmc0
, "fpga:mmc0", MMCI0
, &realview_mmc0_plat_data
);
163 AMBA_DEVICE(kmi0
, "fpga:kmi0", KMI0
, NULL
);
164 AMBA_DEVICE(kmi1
, "fpga:kmi1", KMI1
, NULL
);
165 AMBA_DEVICE(uart3
, "fpga:uart3", PB11MP_UART3
, NULL
);
167 /* DevChip Primecells */
168 AMBA_DEVICE(smc
, "dev:smc", PB11MP_SMC
, NULL
);
169 AMBA_DEVICE(sctl
, "dev:sctl", SCTL
, NULL
);
170 AMBA_DEVICE(wdog
, "dev:wdog", PB11MP_WATCHDOG
, NULL
);
171 AMBA_DEVICE(gpio0
, "dev:gpio0", PB11MP_GPIO0
, &gpio0_plat_data
);
172 AMBA_DEVICE(gpio1
, "dev:gpio1", GPIO1
, &gpio1_plat_data
);
173 AMBA_DEVICE(gpio2
, "dev:gpio2", GPIO2
, &gpio2_plat_data
);
174 AMBA_DEVICE(rtc
, "dev:rtc", PB11MP_RTC
, NULL
);
175 AMBA_DEVICE(sci0
, "dev:sci0", SCI
, NULL
);
176 AMBA_DEVICE(uart0
, "dev:uart0", PB11MP_UART0
, NULL
);
177 AMBA_DEVICE(uart1
, "dev:uart1", PB11MP_UART1
, NULL
);
178 AMBA_DEVICE(uart2
, "dev:uart2", PB11MP_UART2
, NULL
);
179 AMBA_DEVICE(ssp0
, "dev:ssp0", PB11MP_SSP
, &ssp0_plat_data
);
181 /* Primecells on the NEC ISSP chip */
182 AMBA_DEVICE(clcd
, "issp:clcd", PB11MP_CLCD
, &clcd_plat_data
);
183 AMBA_DEVICE(dmac
, "issp:dmac", DMAC
, NULL
);
185 static struct amba_device
*amba_devs
[] __initdata
= {
208 * RealView PB11MPCore platform devices
210 static struct resource realview_pb11mp_flash_resource
[] = {
212 .start
= REALVIEW_PB11MP_FLASH0_BASE
,
213 .end
= REALVIEW_PB11MP_FLASH0_BASE
+ REALVIEW_PB11MP_FLASH0_SIZE
- 1,
214 .flags
= IORESOURCE_MEM
,
217 .start
= REALVIEW_PB11MP_FLASH1_BASE
,
218 .end
= REALVIEW_PB11MP_FLASH1_BASE
+ REALVIEW_PB11MP_FLASH1_SIZE
- 1,
219 .flags
= IORESOURCE_MEM
,
223 static struct resource realview_pb11mp_smsc911x_resources
[] = {
225 .start
= REALVIEW_PB11MP_ETH_BASE
,
226 .end
= REALVIEW_PB11MP_ETH_BASE
+ SZ_64K
- 1,
227 .flags
= IORESOURCE_MEM
,
230 .start
= IRQ_TC11MP_ETH
,
231 .end
= IRQ_TC11MP_ETH
,
232 .flags
= IORESOURCE_IRQ
,
236 static struct resource realview_pb11mp_isp1761_resources
[] = {
238 .start
= REALVIEW_PB11MP_USB_BASE
,
239 .end
= REALVIEW_PB11MP_USB_BASE
+ SZ_128K
- 1,
240 .flags
= IORESOURCE_MEM
,
243 .start
= IRQ_TC11MP_USB
,
244 .end
= IRQ_TC11MP_USB
,
245 .flags
= IORESOURCE_IRQ
,
249 static struct resource pmu_resources
[] = {
251 .start
= IRQ_TC11MP_PMU_CPU0
,
252 .end
= IRQ_TC11MP_PMU_CPU0
,
253 .flags
= IORESOURCE_IRQ
,
256 .start
= IRQ_TC11MP_PMU_CPU1
,
257 .end
= IRQ_TC11MP_PMU_CPU1
,
258 .flags
= IORESOURCE_IRQ
,
261 .start
= IRQ_TC11MP_PMU_CPU2
,
262 .end
= IRQ_TC11MP_PMU_CPU2
,
263 .flags
= IORESOURCE_IRQ
,
266 .start
= IRQ_TC11MP_PMU_CPU3
,
267 .end
= IRQ_TC11MP_PMU_CPU3
,
268 .flags
= IORESOURCE_IRQ
,
272 static struct platform_device pmu_device
= {
274 .id
= ARM_PMU_DEVICE_CPU
,
275 .num_resources
= ARRAY_SIZE(pmu_resources
),
276 .resource
= pmu_resources
,
279 static void __init
gic_init_irq(void)
281 unsigned int pldctrl
;
283 /* new irq mode with no DCC */
284 writel(0x0000a05f, __io_address(REALVIEW_SYS_LOCK
));
285 pldctrl
= readl(__io_address(REALVIEW_SYS_BASE
) + REALVIEW_PB11MP_SYS_PLD_CTRL1
);
287 writel(pldctrl
, __io_address(REALVIEW_SYS_BASE
) + REALVIEW_PB11MP_SYS_PLD_CTRL1
);
288 writel(0x00000000, __io_address(REALVIEW_SYS_LOCK
));
290 /* ARM11MPCore test chip GIC, primary */
291 gic_init(0, 29, __io_address(REALVIEW_TC11MP_GIC_DIST_BASE
),
292 __io_address(REALVIEW_TC11MP_GIC_CPU_BASE
));
294 /* board GIC, secondary */
295 gic_init(1, IRQ_PB11MP_GIC_START
,
296 __io_address(REALVIEW_PB11MP_GIC_DIST_BASE
),
297 __io_address(REALVIEW_PB11MP_GIC_CPU_BASE
));
298 gic_cascade_irq(1, IRQ_TC11MP_PB_IRQ1
);
301 static void __init
realview_pb11mp_timer_init(void)
303 timer0_va_base
= __io_address(REALVIEW_PB11MP_TIMER0_1_BASE
);
304 timer1_va_base
= __io_address(REALVIEW_PB11MP_TIMER0_1_BASE
) + 0x20;
305 timer2_va_base
= __io_address(REALVIEW_PB11MP_TIMER2_3_BASE
);
306 timer3_va_base
= __io_address(REALVIEW_PB11MP_TIMER2_3_BASE
) + 0x20;
308 #ifdef CONFIG_LOCAL_TIMERS
309 twd_base
= __io_address(REALVIEW_TC11MP_TWD_BASE
);
311 realview_timer_init(IRQ_TC11MP_TIMER0_1
);
314 static struct sys_timer realview_pb11mp_timer
= {
315 .init
= realview_pb11mp_timer_init
,
318 static void realview_pb11mp_restart(char mode
, const char *cmd
)
320 void __iomem
*reset_ctrl
= __io_address(REALVIEW_SYS_RESETCTL
);
321 void __iomem
*lock_ctrl
= __io_address(REALVIEW_SYS_LOCK
);
324 * To reset, we hit the on-board reset register
327 __raw_writel(REALVIEW_SYS_LOCK_VAL
, lock_ctrl
);
328 __raw_writel(0x0000, reset_ctrl
);
329 __raw_writel(0x0004, reset_ctrl
);
333 static void __init
realview_pb11mp_init(void)
337 #ifdef CONFIG_CACHE_L2X0
338 /* 1MB (128KB/way), 8-way associativity, evmon/parity/share enabled
339 * Bits: .... ...0 0111 1001 0000 .... .... .... */
340 l2x0_init(__io_address(REALVIEW_TC11MP_L220_BASE
), 0x00790000, 0xfe000fff);
343 realview_flash_register(realview_pb11mp_flash_resource
,
344 ARRAY_SIZE(realview_pb11mp_flash_resource
));
345 realview_eth_register(NULL
, realview_pb11mp_smsc911x_resources
);
346 platform_device_register(&realview_i2c_device
);
347 platform_device_register(&realview_cf_device
);
348 realview_usb_register(realview_pb11mp_isp1761_resources
);
349 platform_device_register(&pmu_device
);
351 for (i
= 0; i
< ARRAY_SIZE(amba_devs
); i
++) {
352 struct amba_device
*d
= amba_devs
[i
];
353 amba_device_register(d
, &iomem_resource
);
357 leds_event
= realview_leds_event
;
361 MACHINE_START(REALVIEW_PB11MP
, "ARM-RealView PB11MPCore")
362 /* Maintainer: ARM Ltd/Deep Blue Solutions Ltd */
363 .atag_offset
= 0x100,
364 .fixup
= realview_fixup
,
365 .map_io
= realview_pb11mp_map_io
,
366 .init_early
= realview_init_early
,
367 .init_irq
= gic_init_irq
,
368 .timer
= &realview_pb11mp_timer
,
369 .handle_irq
= gic_handle_irq
,
370 .init_machine
= realview_pb11mp_init
,
371 #ifdef CONFIG_ZONE_DMA
372 .dma_zone_size
= SZ_256M
,
374 .restart
= realview_pb11mp_restart
,