ARM: 5718/1: Sane busids for RealView board components
[linux-2.6.git] / arch / arm / mach-realview / realview_pb1176.c
1 /*
2  *  linux/arch/arm/mach-realview/realview_pb1176.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>
26 #include <linux/amba/pl061.h>
27 #include <linux/io.h>
28
29 #include <mach/hardware.h>
30 #include <asm/irq.h>
31 #include <asm/leds.h>
32 #include <asm/mach-types.h>
33 #include <asm/hardware/gic.h>
34 #include <asm/hardware/icst307.h>
35 #include <asm/hardware/cache-l2x0.h>
36
37 #include <asm/mach/arch.h>
38 #include <asm/mach/flash.h>
39 #include <asm/mach/map.h>
40 #include <asm/mach/mmc.h>
41 #include <asm/mach/time.h>
42
43 #include <mach/board-pb1176.h>
44 #include <mach/irqs.h>
45
46 #include "core.h"
47 #include "clock.h"
48
49 static struct map_desc realview_pb1176_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_PB1176_GIC_CPU_BASE),
57                 .pfn            = __phys_to_pfn(REALVIEW_PB1176_GIC_CPU_BASE),
58                 .length         = SZ_4K,
59                 .type           = MT_DEVICE,
60         }, {
61                 .virtual        = IO_ADDRESS(REALVIEW_PB1176_GIC_DIST_BASE),
62                 .pfn            = __phys_to_pfn(REALVIEW_PB1176_GIC_DIST_BASE),
63                 .length         = SZ_4K,
64                 .type           = MT_DEVICE,
65         }, {
66                 .virtual        = IO_ADDRESS(REALVIEW_DC1176_GIC_CPU_BASE),
67                 .pfn            = __phys_to_pfn(REALVIEW_DC1176_GIC_CPU_BASE),
68                 .length         = SZ_4K,
69                 .type           = MT_DEVICE,
70         }, {
71                 .virtual        = IO_ADDRESS(REALVIEW_DC1176_GIC_DIST_BASE),
72                 .pfn            = __phys_to_pfn(REALVIEW_DC1176_GIC_DIST_BASE),
73                 .length         = SZ_4K,
74                 .type           = MT_DEVICE,
75         }, {
76                 .virtual        = IO_ADDRESS(REALVIEW_SCTL_BASE),
77                 .pfn            = __phys_to_pfn(REALVIEW_SCTL_BASE),
78                 .length         = SZ_4K,
79                 .type           = MT_DEVICE,
80         }, {
81                 .virtual        = IO_ADDRESS(REALVIEW_PB1176_TIMER0_1_BASE),
82                 .pfn            = __phys_to_pfn(REALVIEW_PB1176_TIMER0_1_BASE),
83                 .length         = SZ_4K,
84                 .type           = MT_DEVICE,
85         }, {
86                 .virtual        = IO_ADDRESS(REALVIEW_PB1176_TIMER2_3_BASE),
87                 .pfn            = __phys_to_pfn(REALVIEW_PB1176_TIMER2_3_BASE),
88                 .length         = SZ_4K,
89                 .type           = MT_DEVICE,
90         }, {
91                 .virtual        = IO_ADDRESS(REALVIEW_PB1176_L220_BASE),
92                 .pfn            = __phys_to_pfn(REALVIEW_PB1176_L220_BASE),
93                 .length         = SZ_8K,
94                 .type           = MT_DEVICE,
95         },
96 #ifdef CONFIG_DEBUG_LL
97         {
98                 .virtual        = IO_ADDRESS(REALVIEW_PB1176_UART0_BASE),
99                 .pfn            = __phys_to_pfn(REALVIEW_PB1176_UART0_BASE),
100                 .length         = SZ_4K,
101                 .type           = MT_DEVICE,
102         },
103 #endif
104 };
105
106 static void __init realview_pb1176_map_io(void)
107 {
108         iotable_init(realview_pb1176_io_desc, ARRAY_SIZE(realview_pb1176_io_desc));
109 }
110
111 static struct pl061_platform_data gpio0_plat_data = {
112         .gpio_base      = 0,
113         .irq_base       = -1,
114 };
115
116 static struct pl061_platform_data gpio1_plat_data = {
117         .gpio_base      = 8,
118         .irq_base       = -1,
119 };
120
121 static struct pl061_platform_data gpio2_plat_data = {
122         .gpio_base      = 16,
123         .irq_base       = -1,
124 };
125
126 /*
127  * RealView PB1176 AMBA devices
128  */
129 #define GPIO2_IRQ       { IRQ_PB1176_GPIO2, NO_IRQ }
130 #define GPIO2_DMA       { 0, 0 }
131 #define GPIO3_IRQ       { IRQ_PB1176_GPIO3, NO_IRQ }
132 #define GPIO3_DMA       { 0, 0 }
133 #define AACI_IRQ        { IRQ_PB1176_AACI, NO_IRQ }
134 #define AACI_DMA        { 0x80, 0x81 }
135 #define MMCI0_IRQ       { IRQ_PB1176_MMCI0A, IRQ_PB1176_MMCI0B }
136 #define MMCI0_DMA       { 0x84, 0 }
137 #define KMI0_IRQ        { IRQ_PB1176_KMI0, NO_IRQ }
138 #define KMI0_DMA        { 0, 0 }
139 #define KMI1_IRQ        { IRQ_PB1176_KMI1, NO_IRQ }
140 #define KMI1_DMA        { 0, 0 }
141 #define PB1176_SMC_IRQ  { NO_IRQ, NO_IRQ }
142 #define PB1176_SMC_DMA  { 0, 0 }
143 #define MPMC_IRQ        { NO_IRQ, NO_IRQ }
144 #define MPMC_DMA        { 0, 0 }
145 #define PB1176_CLCD_IRQ { IRQ_DC1176_CLCD, NO_IRQ }
146 #define PB1176_CLCD_DMA { 0, 0 }
147 #define DMAC_IRQ        { IRQ_PB1176_DMAC, NO_IRQ }
148 #define DMAC_DMA        { 0, 0 }
149 #define SCTL_IRQ        { NO_IRQ, NO_IRQ }
150 #define SCTL_DMA        { 0, 0 }
151 #define PB1176_WATCHDOG_IRQ     { IRQ_DC1176_WATCHDOG, NO_IRQ }
152 #define PB1176_WATCHDOG_DMA     { 0, 0 }
153 #define PB1176_GPIO0_IRQ        { IRQ_PB1176_GPIO0, NO_IRQ }
154 #define PB1176_GPIO0_DMA        { 0, 0 }
155 #define GPIO1_IRQ       { IRQ_PB1176_GPIO1, NO_IRQ }
156 #define GPIO1_DMA       { 0, 0 }
157 #define PB1176_RTC_IRQ  { IRQ_DC1176_RTC, NO_IRQ }
158 #define PB1176_RTC_DMA  { 0, 0 }
159 #define SCI_IRQ         { IRQ_PB1176_SCI, NO_IRQ }
160 #define SCI_DMA         { 7, 6 }
161 #define PB1176_UART0_IRQ        { IRQ_DC1176_UART0, NO_IRQ }
162 #define PB1176_UART0_DMA        { 15, 14 }
163 #define PB1176_UART1_IRQ        { IRQ_DC1176_UART1, NO_IRQ }
164 #define PB1176_UART1_DMA        { 13, 12 }
165 #define PB1176_UART2_IRQ        { IRQ_DC1176_UART2, NO_IRQ }
166 #define PB1176_UART2_DMA        { 11, 10 }
167 #define PB1176_UART3_IRQ        { IRQ_DC1176_UART3, NO_IRQ }
168 #define PB1176_UART3_DMA        { 0x86, 0x87 }
169 #define PB1176_SSP_IRQ          { IRQ_PB1176_SSP, NO_IRQ }
170 #define PB1176_SSP_DMA          { 9, 8 }
171
172 /* FPGA Primecells */
173 AMBA_DEVICE(aaci,       "fpga:aaci",    AACI,           NULL);
174 AMBA_DEVICE(mmc0,       "fpga:mmc0",    MMCI0,          &realview_mmc0_plat_data);
175 AMBA_DEVICE(kmi0,       "fpga:kmi0",    KMI0,           NULL);
176 AMBA_DEVICE(kmi1,       "fpga:kmi1",    KMI1,           NULL);
177 AMBA_DEVICE(uart3,      "fpga:uart3",   PB1176_UART3,   NULL);
178
179 /* DevChip Primecells */
180 AMBA_DEVICE(smc,        "dev:smc",      PB1176_SMC,     NULL);
181 AMBA_DEVICE(sctl,       "dev:sctl",     SCTL,           NULL);
182 AMBA_DEVICE(wdog,       "dev:wdog",     PB1176_WATCHDOG,        NULL);
183 AMBA_DEVICE(gpio0,      "dev:gpio0",    PB1176_GPIO0,   &gpio0_plat_data);
184 AMBA_DEVICE(gpio1,      "dev:gpio1",    GPIO1,          &gpio1_plat_data);
185 AMBA_DEVICE(gpio2,      "dev:gpio2",    GPIO2,          &gpio2_plat_data);
186 AMBA_DEVICE(rtc,        "dev:rtc",      PB1176_RTC,     NULL);
187 AMBA_DEVICE(sci0,       "dev:sci0",     SCI,            NULL);
188 AMBA_DEVICE(uart0,      "dev:uart0",    PB1176_UART0,   NULL);
189 AMBA_DEVICE(uart1,      "dev:uart1",    PB1176_UART1,   NULL);
190 AMBA_DEVICE(uart2,      "dev:uart2",    PB1176_UART2,   NULL);
191 AMBA_DEVICE(ssp0,       "dev:ssp0",     PB1176_SSP,     NULL);
192
193 /* Primecells on the NEC ISSP chip */
194 AMBA_DEVICE(clcd,       "issp:clcd",    PB1176_CLCD,    &clcd_plat_data);
195 //AMBA_DEVICE(dmac,     "issp:dmac",    PB1176_DMAC,    NULL);
196
197 static struct amba_device *amba_devs[] __initdata = {
198 //      &dmac_device,
199         &uart0_device,
200         &uart1_device,
201         &uart2_device,
202         &uart3_device,
203         &smc_device,
204         &clcd_device,
205         &sctl_device,
206         &wdog_device,
207         &gpio0_device,
208         &gpio1_device,
209         &gpio2_device,
210         &rtc_device,
211         &sci0_device,
212         &ssp0_device,
213         &aaci_device,
214         &mmc0_device,
215         &kmi0_device,
216         &kmi1_device,
217 };
218
219 /*
220  * RealView PB1176 platform devices
221  */
222 static struct resource realview_pb1176_flash_resources[] = {
223         [0] = {
224                 .start          = REALVIEW_PB1176_FLASH_BASE,
225                 .end            = REALVIEW_PB1176_FLASH_BASE + REALVIEW_PB1176_FLASH_SIZE - 1,
226                 .flags          = IORESOURCE_MEM,
227         },
228         [1] = {
229                 .start          = REALVIEW_PB1176_SEC_FLASH_BASE,
230                 .end            = REALVIEW_PB1176_SEC_FLASH_BASE + REALVIEW_PB1176_SEC_FLASH_SIZE - 1,
231                 .flags          = IORESOURCE_MEM,
232         },
233 };
234 #ifdef CONFIG_REALVIEW_PB1176_SECURE_FLASH
235 #define PB1176_FLASH_BLOCKS     2
236 #else
237 #define PB1176_FLASH_BLOCKS     1
238 #endif
239
240 static struct resource realview_pb1176_smsc911x_resources[] = {
241         [0] = {
242                 .start          = REALVIEW_PB1176_ETH_BASE,
243                 .end            = REALVIEW_PB1176_ETH_BASE + SZ_64K - 1,
244                 .flags          = IORESOURCE_MEM,
245         },
246         [1] = {
247                 .start          = IRQ_PB1176_ETH,
248                 .end            = IRQ_PB1176_ETH,
249                 .flags          = IORESOURCE_IRQ,
250         },
251 };
252
253 static struct resource realview_pb1176_isp1761_resources[] = {
254         [0] = {
255                 .start          = REALVIEW_PB1176_USB_BASE,
256                 .end            = REALVIEW_PB1176_USB_BASE + SZ_128K - 1,
257                 .flags          = IORESOURCE_MEM,
258         },
259         [1] = {
260                 .start          = IRQ_PB1176_USB,
261                 .end            = IRQ_PB1176_USB,
262                 .flags          = IORESOURCE_IRQ,
263         },
264 };
265
266 static void __init gic_init_irq(void)
267 {
268         /* ARM1176 DevChip GIC, primary */
269         gic_cpu_base_addr = __io_address(REALVIEW_DC1176_GIC_CPU_BASE);
270         gic_dist_init(0, __io_address(REALVIEW_DC1176_GIC_DIST_BASE), IRQ_DC1176_GIC_START);
271         gic_cpu_init(0, gic_cpu_base_addr);
272
273         /* board GIC, secondary */
274         gic_dist_init(1, __io_address(REALVIEW_PB1176_GIC_DIST_BASE), IRQ_PB1176_GIC_START);
275         gic_cpu_init(1, __io_address(REALVIEW_PB1176_GIC_CPU_BASE));
276         gic_cascade_irq(1, IRQ_DC1176_PB_IRQ1);
277 }
278
279 static void __init realview_pb1176_timer_init(void)
280 {
281         timer0_va_base = __io_address(REALVIEW_PB1176_TIMER0_1_BASE);
282         timer1_va_base = __io_address(REALVIEW_PB1176_TIMER0_1_BASE) + 0x20;
283         timer2_va_base = __io_address(REALVIEW_PB1176_TIMER2_3_BASE);
284         timer3_va_base = __io_address(REALVIEW_PB1176_TIMER2_3_BASE) + 0x20;
285
286         realview_timer_init(IRQ_DC1176_TIMER0);
287 }
288
289 static struct sys_timer realview_pb1176_timer = {
290         .init           = realview_pb1176_timer_init,
291 };
292
293 static void __init realview_pb1176_init(void)
294 {
295         int i;
296
297 #ifdef CONFIG_CACHE_L2X0
298         /* 128Kb (16Kb/way) 8-way associativity. evmon/parity/share enabled. */
299         l2x0_init(__io_address(REALVIEW_PB1176_L220_BASE), 0x00730000, 0xfe000fff);
300 #endif
301
302         realview_flash_register(realview_pb1176_flash_resources,
303                                 PB1176_FLASH_BLOCKS);
304         realview_eth_register(NULL, realview_pb1176_smsc911x_resources);
305         platform_device_register(&realview_i2c_device);
306         realview_usb_register(realview_pb1176_isp1761_resources);
307
308         for (i = 0; i < ARRAY_SIZE(amba_devs); i++) {
309                 struct amba_device *d = amba_devs[i];
310                 amba_device_register(d, &iomem_resource);
311         }
312
313 #ifdef CONFIG_LEDS
314         leds_event = realview_leds_event;
315 #endif
316 }
317
318 MACHINE_START(REALVIEW_PB1176, "ARM-RealView PB1176")
319         /* Maintainer: ARM Ltd/Deep Blue Solutions Ltd */
320         .phys_io        = REALVIEW_PB1176_UART0_BASE,
321         .io_pg_offst    = (IO_ADDRESS(REALVIEW_PB1176_UART0_BASE) >> 18) & 0xfffc,
322         .boot_params    = PHYS_OFFSET + 0x00000100,
323         .map_io         = realview_pb1176_map_io,
324         .init_irq       = gic_init_irq,
325         .timer          = &realview_pb1176_timer,
326         .init_machine   = realview_pb1176_init,
327 MACHINE_END