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ARM: 6227/1: PL022 SSP platform data for the RealViews
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1/*
2 * linux/arch/arm/mach-realview/realview_pb11mp.c
3 *
4 * Copyright (C) 2008 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 as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
11 *
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.
16 *
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
20 */
21
22#include <linux/init.h>
23#include <linux/platform_device.h>
24#include <linux/sysdev.h>
25#include <linux/amba/bus.h>
eb7fffa3 26#include <linux/amba/pl061.h>
6ef297f8 27#include <linux/amba/mmci.h>
d6ada860 28#include <linux/amba/pl022.h>
fced80c7 29#include <linux/io.h>
a9b67db5 30
a09e64fb 31#include <mach/hardware.h>
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32#include <asm/irq.h>
33#include <asm/leds.h>
34#include <asm/mach-types.h>
f417cbad 35#include <asm/pmu.h>
cc9897df 36#include <asm/pgtable.h>
a9b67db5 37#include <asm/hardware/gic.h>
a9b67db5 38#include <asm/hardware/cache-l2x0.h>
f32f4ce2 39#include <asm/localtimer.h>
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40
41#include <asm/mach/arch.h>
42#include <asm/mach/flash.h>
43#include <asm/mach/map.h>
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44#include <asm/mach/time.h>
45
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46#include <mach/board-pb11mp.h>
47#include <mach/irqs.h>
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48
49#include "core.h"
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50
51static struct map_desc realview_pb11mp_io_desc[] __initdata = {
52 {
53 .virtual = IO_ADDRESS(REALVIEW_SYS_BASE),
54 .pfn = __phys_to_pfn(REALVIEW_SYS_BASE),
55 .length = SZ_4K,
56 .type = MT_DEVICE,
57 }, {
58 .virtual = IO_ADDRESS(REALVIEW_PB11MP_GIC_CPU_BASE),
59 .pfn = __phys_to_pfn(REALVIEW_PB11MP_GIC_CPU_BASE),
60 .length = SZ_4K,
61 .type = MT_DEVICE,
62 }, {
63 .virtual = IO_ADDRESS(REALVIEW_PB11MP_GIC_DIST_BASE),
64 .pfn = __phys_to_pfn(REALVIEW_PB11MP_GIC_DIST_BASE),
65 .length = SZ_4K,
66 .type = MT_DEVICE,
67 }, {
68 .virtual = IO_ADDRESS(REALVIEW_TC11MP_GIC_CPU_BASE),
69 .pfn = __phys_to_pfn(REALVIEW_TC11MP_GIC_CPU_BASE),
70 .length = SZ_4K,
71 .type = MT_DEVICE,
72 }, {
73 .virtual = IO_ADDRESS(REALVIEW_TC11MP_GIC_DIST_BASE),
74 .pfn = __phys_to_pfn(REALVIEW_TC11MP_GIC_DIST_BASE),
75 .length = SZ_4K,
76 .type = MT_DEVICE,
77 }, {
78 .virtual = IO_ADDRESS(REALVIEW_SCTL_BASE),
79 .pfn = __phys_to_pfn(REALVIEW_SCTL_BASE),
80 .length = SZ_4K,
81 .type = MT_DEVICE,
82 }, {
83 .virtual = IO_ADDRESS(REALVIEW_PB11MP_TIMER0_1_BASE),
84 .pfn = __phys_to_pfn(REALVIEW_PB11MP_TIMER0_1_BASE),
85 .length = SZ_4K,
86 .type = MT_DEVICE,
87 }, {
88 .virtual = IO_ADDRESS(REALVIEW_PB11MP_TIMER2_3_BASE),
89 .pfn = __phys_to_pfn(REALVIEW_PB11MP_TIMER2_3_BASE),
90 .length = SZ_4K,
91 .type = MT_DEVICE,
92 }, {
93 .virtual = IO_ADDRESS(REALVIEW_TC11MP_L220_BASE),
94 .pfn = __phys_to_pfn(REALVIEW_TC11MP_L220_BASE),
95 .length = SZ_8K,
96 .type = MT_DEVICE,
97 },
98#ifdef CONFIG_DEBUG_LL
99 {
100 .virtual = IO_ADDRESS(REALVIEW_PB11MP_UART0_BASE),
101 .pfn = __phys_to_pfn(REALVIEW_PB11MP_UART0_BASE),
102 .length = SZ_4K,
103 .type = MT_DEVICE,
104 },
105#endif
106};
107
108static void __init realview_pb11mp_map_io(void)
109{
110 iotable_init(realview_pb11mp_io_desc, ARRAY_SIZE(realview_pb11mp_io_desc));
111}
112
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113static struct pl061_platform_data gpio0_plat_data = {
114 .gpio_base = 0,
115 .irq_base = -1,
116};
117
118static struct pl061_platform_data gpio1_plat_data = {
119 .gpio_base = 8,
120 .irq_base = -1,
121};
122
123static struct pl061_platform_data gpio2_plat_data = {
124 .gpio_base = 16,
125 .irq_base = -1,
126};
127
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128static struct pl022_ssp_controller ssp0_plat_data = {
129 .bus_id = 0,
130 .enable_dma = 0,
131 .num_chipselect = 1,
132};
133
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134/*
135 * RealView PB11MPCore AMBA devices
136 */
137
138#define GPIO2_IRQ { IRQ_PB11MP_GPIO2, NO_IRQ }
139#define GPIO2_DMA { 0, 0 }
140#define GPIO3_IRQ { IRQ_PB11MP_GPIO3, NO_IRQ }
141#define GPIO3_DMA { 0, 0 }
142#define AACI_IRQ { IRQ_TC11MP_AACI, NO_IRQ }
143#define AACI_DMA { 0x80, 0x81 }
144#define MMCI0_IRQ { IRQ_TC11MP_MMCI0A, IRQ_TC11MP_MMCI0B }
145#define MMCI0_DMA { 0x84, 0 }
146#define KMI0_IRQ { IRQ_TC11MP_KMI0, NO_IRQ }
147#define KMI0_DMA { 0, 0 }
148#define KMI1_IRQ { IRQ_TC11MP_KMI1, NO_IRQ }
149#define KMI1_DMA { 0, 0 }
150#define PB11MP_SMC_IRQ { NO_IRQ, NO_IRQ }
151#define PB11MP_SMC_DMA { 0, 0 }
152#define MPMC_IRQ { NO_IRQ, NO_IRQ }
153#define MPMC_DMA { 0, 0 }
154#define PB11MP_CLCD_IRQ { IRQ_PB11MP_CLCD, NO_IRQ }
155#define PB11MP_CLCD_DMA { 0, 0 }
156#define DMAC_IRQ { IRQ_PB11MP_DMAC, NO_IRQ }
157#define DMAC_DMA { 0, 0 }
158#define SCTL_IRQ { NO_IRQ, NO_IRQ }
159#define SCTL_DMA { 0, 0 }
160#define PB11MP_WATCHDOG_IRQ { IRQ_PB11MP_WATCHDOG, NO_IRQ }
161#define PB11MP_WATCHDOG_DMA { 0, 0 }
162#define PB11MP_GPIO0_IRQ { IRQ_PB11MP_GPIO0, NO_IRQ }
163#define PB11MP_GPIO0_DMA { 0, 0 }
164#define GPIO1_IRQ { IRQ_PB11MP_GPIO1, NO_IRQ }
165#define GPIO1_DMA { 0, 0 }
166#define PB11MP_RTC_IRQ { IRQ_TC11MP_RTC, NO_IRQ }
167#define PB11MP_RTC_DMA { 0, 0 }
168#define SCI_IRQ { IRQ_PB11MP_SCI, NO_IRQ }
169#define SCI_DMA { 7, 6 }
170#define PB11MP_UART0_IRQ { IRQ_TC11MP_UART0, NO_IRQ }
171#define PB11MP_UART0_DMA { 15, 14 }
172#define PB11MP_UART1_IRQ { IRQ_TC11MP_UART1, NO_IRQ }
173#define PB11MP_UART1_DMA { 13, 12 }
174#define PB11MP_UART2_IRQ { IRQ_PB11MP_UART2, NO_IRQ }
175#define PB11MP_UART2_DMA { 11, 10 }
176#define PB11MP_UART3_IRQ { IRQ_PB11MP_UART3, NO_IRQ }
177#define PB11MP_UART3_DMA { 0x86, 0x87 }
178#define PB11MP_SSP_IRQ { IRQ_PB11MP_SSP, NO_IRQ }
179#define PB11MP_SSP_DMA { 9, 8 }
180
181/* FPGA Primecells */
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182AMBA_DEVICE(aaci, "fpga:aaci", AACI, NULL);
183AMBA_DEVICE(mmc0, "fpga:mmc0", MMCI0, &realview_mmc0_plat_data);
184AMBA_DEVICE(kmi0, "fpga:kmi0", KMI0, NULL);
185AMBA_DEVICE(kmi1, "fpga:kmi1", KMI1, NULL);
186AMBA_DEVICE(uart3, "fpga:uart3", PB11MP_UART3, NULL);
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187
188/* DevChip Primecells */
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189AMBA_DEVICE(smc, "dev:smc", PB11MP_SMC, NULL);
190AMBA_DEVICE(sctl, "dev:sctl", SCTL, NULL);
191AMBA_DEVICE(wdog, "dev:wdog", PB11MP_WATCHDOG, NULL);
192AMBA_DEVICE(gpio0, "dev:gpio0", PB11MP_GPIO0, &gpio0_plat_data);
193AMBA_DEVICE(gpio1, "dev:gpio1", GPIO1, &gpio1_plat_data);
194AMBA_DEVICE(gpio2, "dev:gpio2", GPIO2, &gpio2_plat_data);
195AMBA_DEVICE(rtc, "dev:rtc", PB11MP_RTC, NULL);
196AMBA_DEVICE(sci0, "dev:sci0", SCI, NULL);
197AMBA_DEVICE(uart0, "dev:uart0", PB11MP_UART0, NULL);
198AMBA_DEVICE(uart1, "dev:uart1", PB11MP_UART1, NULL);
199AMBA_DEVICE(uart2, "dev:uart2", PB11MP_UART2, NULL);
d6ada860 200AMBA_DEVICE(ssp0, "dev:ssp0", PB11MP_SSP, &ssp0_plat_data);
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201
202/* Primecells on the NEC ISSP chip */
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203AMBA_DEVICE(clcd, "issp:clcd", PB11MP_CLCD, &clcd_plat_data);
204AMBA_DEVICE(dmac, "issp:dmac", DMAC, NULL);
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205
206static struct amba_device *amba_devs[] __initdata = {
207 &dmac_device,
208 &uart0_device,
209 &uart1_device,
210 &uart2_device,
211 &uart3_device,
212 &smc_device,
213 &clcd_device,
214 &sctl_device,
215 &wdog_device,
216 &gpio0_device,
217 &gpio1_device,
218 &gpio2_device,
219 &rtc_device,
220 &sci0_device,
221 &ssp0_device,
222 &aaci_device,
223 &mmc0_device,
224 &kmi0_device,
225 &kmi1_device,
226};
227
228/*
229 * RealView PB11MPCore platform devices
230 */
231static struct resource realview_pb11mp_flash_resource[] = {
232 [0] = {
233 .start = REALVIEW_PB11MP_FLASH0_BASE,
234 .end = REALVIEW_PB11MP_FLASH0_BASE + REALVIEW_PB11MP_FLASH0_SIZE - 1,
235 .flags = IORESOURCE_MEM,
236 },
237 [1] = {
238 .start = REALVIEW_PB11MP_FLASH1_BASE,
239 .end = REALVIEW_PB11MP_FLASH1_BASE + REALVIEW_PB11MP_FLASH1_SIZE - 1,
240 .flags = IORESOURCE_MEM,
241 },
242};
243
244static struct resource realview_pb11mp_smsc911x_resources[] = {
245 [0] = {
246 .start = REALVIEW_PB11MP_ETH_BASE,
247 .end = REALVIEW_PB11MP_ETH_BASE + SZ_64K - 1,
248 .flags = IORESOURCE_MEM,
249 },
250 [1] = {
251 .start = IRQ_TC11MP_ETH,
252 .end = IRQ_TC11MP_ETH,
253 .flags = IORESOURCE_IRQ,
254 },
255};
256
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257static struct resource realview_pb11mp_isp1761_resources[] = {
258 [0] = {
259 .start = REALVIEW_PB11MP_USB_BASE,
260 .end = REALVIEW_PB11MP_USB_BASE + SZ_128K - 1,
261 .flags = IORESOURCE_MEM,
262 },
263 [1] = {
264 .start = IRQ_TC11MP_USB,
265 .end = IRQ_TC11MP_USB,
266 .flags = IORESOURCE_IRQ,
267 },
268};
269
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270static struct resource pmu_resources[] = {
271 [0] = {
272 .start = IRQ_TC11MP_PMU_CPU0,
273 .end = IRQ_TC11MP_PMU_CPU0,
274 .flags = IORESOURCE_IRQ,
275 },
276 [1] = {
277 .start = IRQ_TC11MP_PMU_CPU1,
278 .end = IRQ_TC11MP_PMU_CPU1,
279 .flags = IORESOURCE_IRQ,
280 },
281 [2] = {
282 .start = IRQ_TC11MP_PMU_CPU2,
283 .end = IRQ_TC11MP_PMU_CPU2,
284 .flags = IORESOURCE_IRQ,
285 },
286 [3] = {
287 .start = IRQ_TC11MP_PMU_CPU3,
288 .end = IRQ_TC11MP_PMU_CPU3,
289 .flags = IORESOURCE_IRQ,
290 },
291};
292
293static struct platform_device pmu_device = {
294 .name = "arm-pmu",
295 .id = ARM_PMU_DEVICE_CPU,
296 .num_resources = ARRAY_SIZE(pmu_resources),
297 .resource = pmu_resources,
298};
299
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300static void __init gic_init_irq(void)
301{
302 unsigned int pldctrl;
303
304 /* new irq mode with no DCC */
305 writel(0x0000a05f, __io_address(REALVIEW_SYS_LOCK));
306 pldctrl = readl(__io_address(REALVIEW_SYS_BASE) + REALVIEW_PB11MP_SYS_PLD_CTRL1);
307 pldctrl |= 2 << 22;
308 writel(pldctrl, __io_address(REALVIEW_SYS_BASE) + REALVIEW_PB11MP_SYS_PLD_CTRL1);
309 writel(0x00000000, __io_address(REALVIEW_SYS_LOCK));
310
311 /* ARM11MPCore test chip GIC, primary */
312 gic_cpu_base_addr = __io_address(REALVIEW_TC11MP_GIC_CPU_BASE);
313 gic_dist_init(0, __io_address(REALVIEW_TC11MP_GIC_DIST_BASE), 29);
314 gic_cpu_init(0, gic_cpu_base_addr);
315
316 /* board GIC, secondary */
317 gic_dist_init(1, __io_address(REALVIEW_PB11MP_GIC_DIST_BASE), IRQ_PB11MP_GIC_START);
318 gic_cpu_init(1, __io_address(REALVIEW_PB11MP_GIC_CPU_BASE));
319 gic_cascade_irq(1, IRQ_TC11MP_PB_IRQ1);
320}
321
322static void __init realview_pb11mp_timer_init(void)
323{
324 timer0_va_base = __io_address(REALVIEW_PB11MP_TIMER0_1_BASE);
325 timer1_va_base = __io_address(REALVIEW_PB11MP_TIMER0_1_BASE) + 0x20;
326 timer2_va_base = __io_address(REALVIEW_PB11MP_TIMER2_3_BASE);
327 timer3_va_base = __io_address(REALVIEW_PB11MP_TIMER2_3_BASE) + 0x20;
328
329#ifdef CONFIG_LOCAL_TIMERS
ebac6546 330 twd_base = __io_address(REALVIEW_TC11MP_TWD_BASE);
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331#endif
332 realview_timer_init(IRQ_TC11MP_TIMER0_1);
333}
334
335static struct sys_timer realview_pb11mp_timer = {
336 .init = realview_pb11mp_timer_init,
337};
338
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339static void realview_pb11mp_reset(char mode)
340{
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341 void __iomem *reset_ctrl = __io_address(REALVIEW_SYS_RESETCTL);
342 void __iomem *lock_ctrl = __io_address(REALVIEW_SYS_LOCK);
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343
344 /*
345 * To reset, we hit the on-board reset register
346 * in the system FPGA
347 */
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348 __raw_writel(REALVIEW_SYS_LOCK_VAL, lock_ctrl);
349 __raw_writel(0x0000, reset_ctrl);
350 __raw_writel(0x0004, reset_ctrl);
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351}
352
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353static void __init realview_pb11mp_init(void)
354{
355 int i;
356
ba927951 357#ifdef CONFIG_CACHE_L2X0
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358 /* 1MB (128KB/way), 8-way associativity, evmon/parity/share enabled
359 * Bits: .... ...0 0111 1001 0000 .... .... .... */
360 l2x0_init(__io_address(REALVIEW_TC11MP_L220_BASE), 0x00790000, 0xfe000fff);
ba927951 361#endif
a9b67db5 362
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363 realview_flash_register(realview_pb11mp_flash_resource,
364 ARRAY_SIZE(realview_pb11mp_flash_resource));
0a381330 365 realview_eth_register(NULL, realview_pb11mp_smsc911x_resources);
a9b67db5 366 platform_device_register(&realview_i2c_device);
6be62ba2 367 platform_device_register(&realview_cf_device);
7db21712 368 realview_usb_register(realview_pb11mp_isp1761_resources);
f417cbad 369 platform_device_register(&pmu_device);
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370
371 for (i = 0; i < ARRAY_SIZE(amba_devs); i++) {
372 struct amba_device *d = amba_devs[i];
373 amba_device_register(d, &iomem_resource);
374 }
375
376#ifdef CONFIG_LEDS
377 leds_event = realview_leds_event;
378#endif
426fcd2a 379 realview_reset = realview_pb11mp_reset;
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380}
381
382MACHINE_START(REALVIEW_PB11MP, "ARM-RealView PB11MPCore")
383 /* Maintainer: ARM Ltd/Deep Blue Solutions Ltd */
cc9897df 384 .phys_io = REALVIEW_PB11MP_UART0_BASE & SECTION_MASK,
a9b67db5 385 .io_pg_offst = (IO_ADDRESS(REALVIEW_PB11MP_UART0_BASE) >> 18) & 0xfffc,
70bb62f8 386 .boot_params = PHYS_OFFSET + 0x00000100,
5b39d154 387 .fixup = realview_fixup,
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388 .map_io = realview_pb11mp_map_io,
389 .init_irq = gic_init_irq,
390 .timer = &realview_pb11mp_timer,
391 .init_machine = realview_pb11mp_init,
392MACHINE_END