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22#include <linux/init.h>
23#include <linux/platform_device.h>
24#include <linux/sysdev.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>
29#include <linux/io.h>
30
31#include <mach/hardware.h>
32#include <asm/irq.h>
33#include <asm/leds.h>
34#include <asm/mach-types.h>
35#include <asm/pmu.h>
36#include <asm/pgtable.h>
37#include <asm/hardware/gic.h>
38#include <asm/hardware/cache-l2x0.h>
39
40#include <asm/mach/arch.h>
41#include <asm/mach/flash.h>
42#include <asm/mach/map.h>
43#include <asm/mach/time.h>
44
45#include <mach/board-pb1176.h>
46#include <mach/irqs.h>
47
48#include "core.h"
49
50static struct map_desc realview_pb1176_io_desc[] __initdata = {
51 {
52 .virtual = IO_ADDRESS(REALVIEW_SYS_BASE),
53 .pfn = __phys_to_pfn(REALVIEW_SYS_BASE),
54 .length = SZ_4K,
55 .type = MT_DEVICE,
56 }, {
57 .virtual = IO_ADDRESS(REALVIEW_PB1176_GIC_CPU_BASE),
58 .pfn = __phys_to_pfn(REALVIEW_PB1176_GIC_CPU_BASE),
59 .length = SZ_4K,
60 .type = MT_DEVICE,
61 }, {
62 .virtual = IO_ADDRESS(REALVIEW_PB1176_GIC_DIST_BASE),
63 .pfn = __phys_to_pfn(REALVIEW_PB1176_GIC_DIST_BASE),
64 .length = SZ_4K,
65 .type = MT_DEVICE,
66 }, {
67 .virtual = IO_ADDRESS(REALVIEW_DC1176_GIC_CPU_BASE),
68 .pfn = __phys_to_pfn(REALVIEW_DC1176_GIC_CPU_BASE),
69 .length = SZ_4K,
70 .type = MT_DEVICE,
71 }, {
72 .virtual = IO_ADDRESS(REALVIEW_DC1176_GIC_DIST_BASE),
73 .pfn = __phys_to_pfn(REALVIEW_DC1176_GIC_DIST_BASE),
74 .length = SZ_4K,
75 .type = MT_DEVICE,
76 }, {
77 .virtual = IO_ADDRESS(REALVIEW_SCTL_BASE),
78 .pfn = __phys_to_pfn(REALVIEW_SCTL_BASE),
79 .length = SZ_4K,
80 .type = MT_DEVICE,
81 }, {
82 .virtual = IO_ADDRESS(REALVIEW_PB1176_TIMER0_1_BASE),
83 .pfn = __phys_to_pfn(REALVIEW_PB1176_TIMER0_1_BASE),
84 .length = SZ_4K,
85 .type = MT_DEVICE,
86 }, {
87 .virtual = IO_ADDRESS(REALVIEW_PB1176_TIMER2_3_BASE),
88 .pfn = __phys_to_pfn(REALVIEW_PB1176_TIMER2_3_BASE),
89 .length = SZ_4K,
90 .type = MT_DEVICE,
91 }, {
92 .virtual = IO_ADDRESS(REALVIEW_PB1176_L220_BASE),
93 .pfn = __phys_to_pfn(REALVIEW_PB1176_L220_BASE),
94 .length = SZ_8K,
95 .type = MT_DEVICE,
96 },
97#ifdef CONFIG_DEBUG_LL
98 {
99 .virtual = IO_ADDRESS(REALVIEW_PB1176_UART0_BASE),
100 .pfn = __phys_to_pfn(REALVIEW_PB1176_UART0_BASE),
101 .length = SZ_4K,
102 .type = MT_DEVICE,
103 },
104#endif
105};
106
107static void __init realview_pb1176_map_io(void)
108{
109 iotable_init(realview_pb1176_io_desc, ARRAY_SIZE(realview_pb1176_io_desc));
110}
111
112static struct pl061_platform_data gpio0_plat_data = {
113 .gpio_base = 0,
114 .irq_base = -1,
115};
116
117static struct pl061_platform_data gpio1_plat_data = {
118 .gpio_base = 8,
119 .irq_base = -1,
120};
121
122static struct pl061_platform_data gpio2_plat_data = {
123 .gpio_base = 16,
124 .irq_base = -1,
125};
126
127static struct pl022_ssp_controller ssp0_plat_data = {
128 .bus_id = 0,
129 .enable_dma = 0,
130 .num_chipselect = 1,
131};
132
133
134
135
136#define GPIO2_IRQ { IRQ_PB1176_GPIO2, NO_IRQ }
137#define GPIO2_DMA { 0, 0 }
138#define GPIO3_IRQ { IRQ_PB1176_GPIO3, NO_IRQ }
139#define GPIO3_DMA { 0, 0 }
140#define AACI_IRQ { IRQ_PB1176_AACI, NO_IRQ }
141#define AACI_DMA { 0x80, 0x81 }
142#define MMCI0_IRQ { IRQ_PB1176_MMCI0A, IRQ_PB1176_MMCI0B }
143#define MMCI0_DMA { 0x84, 0 }
144#define KMI0_IRQ { IRQ_PB1176_KMI0, NO_IRQ }
145#define KMI0_DMA { 0, 0 }
146#define KMI1_IRQ { IRQ_PB1176_KMI1, NO_IRQ }
147#define KMI1_DMA { 0, 0 }
148#define PB1176_SMC_IRQ { NO_IRQ, NO_IRQ }
149#define PB1176_SMC_DMA { 0, 0 }
150#define MPMC_IRQ { NO_IRQ, NO_IRQ }
151#define MPMC_DMA { 0, 0 }
152#define PB1176_CLCD_IRQ { IRQ_DC1176_CLCD, NO_IRQ }
153#define PB1176_CLCD_DMA { 0, 0 }
154#define SCTL_IRQ { NO_IRQ, NO_IRQ }
155#define SCTL_DMA { 0, 0 }
156#define PB1176_WATCHDOG_IRQ { IRQ_DC1176_WATCHDOG, NO_IRQ }
157#define PB1176_WATCHDOG_DMA { 0, 0 }
158#define PB1176_GPIO0_IRQ { IRQ_PB1176_GPIO0, NO_IRQ }
159#define PB1176_GPIO0_DMA { 0, 0 }
160#define GPIO1_IRQ { IRQ_PB1176_GPIO1, NO_IRQ }
161#define GPIO1_DMA { 0, 0 }
162#define PB1176_RTC_IRQ { IRQ_DC1176_RTC, NO_IRQ }
163#define PB1176_RTC_DMA { 0, 0 }
164#define SCI_IRQ { IRQ_PB1176_SCI, NO_IRQ }
165#define SCI_DMA { 7, 6 }
166#define PB1176_UART0_IRQ { IRQ_DC1176_UART0, NO_IRQ }
167#define PB1176_UART0_DMA { 15, 14 }
168#define PB1176_UART1_IRQ { IRQ_DC1176_UART1, NO_IRQ }
169#define PB1176_UART1_DMA { 13, 12 }
170#define PB1176_UART2_IRQ { IRQ_DC1176_UART2, NO_IRQ }
171#define PB1176_UART2_DMA { 11, 10 }
172#define PB1176_UART3_IRQ { IRQ_DC1176_UART3, NO_IRQ }
173#define PB1176_UART3_DMA { 0x86, 0x87 }
174#define PB1176_UART4_IRQ { IRQ_PB1176_UART4, NO_IRQ }
175#define PB1176_UART4_DMA { 0, 0 }
176#define PB1176_SSP_IRQ { IRQ_DC1176_SSP, NO_IRQ }
177#define PB1176_SSP_DMA { 9, 8 }
178
179
180AMBA_DEVICE(aaci, "fpga:aaci", AACI, NULL);
181AMBA_DEVICE(mmc0, "fpga:mmc0", MMCI0, &realview_mmc0_plat_data);
182AMBA_DEVICE(kmi0, "fpga:kmi0", KMI0, NULL);
183AMBA_DEVICE(kmi1, "fpga:kmi1", KMI1, NULL);
184AMBA_DEVICE(uart4, "fpga:uart4", PB1176_UART4, NULL);
185
186
187AMBA_DEVICE(smc, "dev:smc", PB1176_SMC, NULL);
188AMBA_DEVICE(sctl, "dev:sctl", SCTL, NULL);
189AMBA_DEVICE(wdog, "dev:wdog", PB1176_WATCHDOG, NULL);
190AMBA_DEVICE(gpio0, "dev:gpio0", PB1176_GPIO0, &gpio0_plat_data);
191AMBA_DEVICE(gpio1, "dev:gpio1", GPIO1, &gpio1_plat_data);
192AMBA_DEVICE(gpio2, "dev:gpio2", GPIO2, &gpio2_plat_data);
193AMBA_DEVICE(rtc, "dev:rtc", PB1176_RTC, NULL);
194AMBA_DEVICE(sci0, "dev:sci0", SCI, NULL);
195AMBA_DEVICE(uart0, "dev:uart0", PB1176_UART0, NULL);
196AMBA_DEVICE(uart1, "dev:uart1", PB1176_UART1, NULL);
197AMBA_DEVICE(uart2, "dev:uart2", PB1176_UART2, NULL);
198AMBA_DEVICE(uart3, "dev:uart3", PB1176_UART3, NULL);
199AMBA_DEVICE(ssp0, "dev:ssp0", PB1176_SSP, &ssp0_plat_data);
200AMBA_DEVICE(clcd, "dev:clcd", PB1176_CLCD, &clcd_plat_data);
201
202static struct amba_device *amba_devs[] __initdata = {
203 &uart0_device,
204 &uart1_device,
205 &uart2_device,
206 &uart3_device,
207 &uart4_device,
208 &smc_device,
209 &clcd_device,
210 &sctl_device,
211 &wdog_device,
212 &gpio0_device,
213 &gpio1_device,
214 &gpio2_device,
215 &rtc_device,
216 &sci0_device,
217 &ssp0_device,
218 &aaci_device,
219 &mmc0_device,
220 &kmi0_device,
221 &kmi1_device,
222};
223
224
225
226
227static struct resource realview_pb1176_flash_resources[] = {
228 [0] = {
229 .start = REALVIEW_PB1176_FLASH_BASE,
230 .end = REALVIEW_PB1176_FLASH_BASE + REALVIEW_PB1176_FLASH_SIZE - 1,
231 .flags = IORESOURCE_MEM,
232 },
233 [1] = {
234 .start = REALVIEW_PB1176_SEC_FLASH_BASE,
235 .end = REALVIEW_PB1176_SEC_FLASH_BASE + REALVIEW_PB1176_SEC_FLASH_SIZE - 1,
236 .flags = IORESOURCE_MEM,
237 },
238};
239#ifdef CONFIG_REALVIEW_PB1176_SECURE_FLASH
240#define PB1176_FLASH_BLOCKS 2
241#else
242#define PB1176_FLASH_BLOCKS 1
243#endif
244
245static struct resource realview_pb1176_smsc911x_resources[] = {
246 [0] = {
247 .start = REALVIEW_PB1176_ETH_BASE,
248 .end = REALVIEW_PB1176_ETH_BASE + SZ_64K - 1,
249 .flags = IORESOURCE_MEM,
250 },
251 [1] = {
252 .start = IRQ_PB1176_ETH,
253 .end = IRQ_PB1176_ETH,
254 .flags = IORESOURCE_IRQ,
255 },
256};
257
258static struct resource realview_pb1176_isp1761_resources[] = {
259 [0] = {
260 .start = REALVIEW_PB1176_USB_BASE,
261 .end = REALVIEW_PB1176_USB_BASE + SZ_128K - 1,
262 .flags = IORESOURCE_MEM,
263 },
264 [1] = {
265 .start = IRQ_PB1176_USB,
266 .end = IRQ_PB1176_USB,
267 .flags = IORESOURCE_IRQ,
268 },
269};
270
271static struct resource pmu_resource = {
272 .start = IRQ_DC1176_CORE_PMU,
273 .end = IRQ_DC1176_CORE_PMU,
274 .flags = IORESOURCE_IRQ,
275};
276
277static struct platform_device pmu_device = {
278 .name = "arm-pmu",
279 .id = ARM_PMU_DEVICE_CPU,
280 .num_resources = 1,
281 .resource = &pmu_resource,
282};
283
284static struct resource char_lcd_resources[] = {
285 {
286 .start = REALVIEW_CHAR_LCD_BASE,
287 .end = (REALVIEW_CHAR_LCD_BASE + SZ_4K - 1),
288 .flags = IORESOURCE_MEM,
289 },
290 {
291 .start = IRQ_PB1176_CHARLCD,
292 .end = IRQ_PB1176_CHARLCD,
293 .flags = IORESOURCE_IRQ,
294 },
295};
296
297static struct platform_device char_lcd_device = {
298 .name = "arm-charlcd",
299 .id = -1,
300 .num_resources = ARRAY_SIZE(char_lcd_resources),
301 .resource = char_lcd_resources,
302};
303
304static void __init gic_init_irq(void)
305{
306
307 gic_init(0, IRQ_DC1176_GIC_START,
308 __io_address(REALVIEW_DC1176_GIC_DIST_BASE),
309 __io_address(REALVIEW_DC1176_GIC_CPU_BASE));
310
311
312 gic_init(1, IRQ_PB1176_GIC_START,
313 __io_address(REALVIEW_PB1176_GIC_DIST_BASE),
314 __io_address(REALVIEW_PB1176_GIC_CPU_BASE));
315 gic_cascade_irq(1, IRQ_DC1176_PB_IRQ1);
316}
317
318static void __init realview_pb1176_timer_init(void)
319{
320 timer0_va_base = __io_address(REALVIEW_PB1176_TIMER0_1_BASE);
321 timer1_va_base = __io_address(REALVIEW_PB1176_TIMER0_1_BASE) + 0x20;
322 timer2_va_base = __io_address(REALVIEW_PB1176_TIMER2_3_BASE);
323 timer3_va_base = __io_address(REALVIEW_PB1176_TIMER2_3_BASE) + 0x20;
324
325 realview_timer_init(IRQ_DC1176_TIMER0);
326}
327
328static struct sys_timer realview_pb1176_timer = {
329 .init = realview_pb1176_timer_init,
330};
331
332static void realview_pb1176_reset(char mode)
333{
334 void __iomem *reset_ctrl = __io_address(REALVIEW_SYS_RESETCTL);
335 void __iomem *lock_ctrl = __io_address(REALVIEW_SYS_LOCK);
336 __raw_writel(REALVIEW_SYS_LOCK_VAL, lock_ctrl);
337 __raw_writel(REALVIEW_PB1176_SYS_SOFT_RESET, reset_ctrl);
338}
339
340static void realview_pb1176_fixup(struct machine_desc *mdesc,
341 struct tag *tags, char **from,
342 struct meminfo *meminfo)
343{
344
345
346
347 meminfo->bank[0].start = 0;
348 meminfo->bank[0].size = SZ_128M;
349 meminfo->nr_banks = 1;
350}
351
352static void __init realview_pb1176_init(void)
353{
354 int i;
355
356#ifdef CONFIG_CACHE_L2X0
357
358 l2x0_init(__io_address(REALVIEW_PB1176_L220_BASE), 0x00730000, 0xfe000fff);
359#endif
360
361 realview_flash_register(realview_pb1176_flash_resources,
362 PB1176_FLASH_BLOCKS);
363 realview_eth_register(NULL, realview_pb1176_smsc911x_resources);
364 platform_device_register(&realview_i2c_device);
365 realview_usb_register(realview_pb1176_isp1761_resources);
366 platform_device_register(&pmu_device);
367 platform_device_register(&char_lcd_device);
368
369 for (i = 0; i < ARRAY_SIZE(amba_devs); i++) {
370 struct amba_device *d = amba_devs[i];
371 amba_device_register(d, &iomem_resource);
372 }
373
374#ifdef CONFIG_LEDS
375 leds_event = realview_leds_event;
376#endif
377 realview_reset = realview_pb1176_reset;
378}
379
380MACHINE_START(REALVIEW_PB1176, "ARM-RealView PB1176")
381
382 .boot_params = PHYS_OFFSET + 0x00000100,
383 .fixup = realview_pb1176_fixup,
384 .map_io = realview_pb1176_map_io,
385 .init_irq = gic_init_irq,
386 .timer = &realview_pb1176_timer,
387 .init_machine = realview_pb1176_init,
388MACHINE_END
389
