Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
[linux-2.6] / arch / arm / mach-realview / realview_pb11mp.c
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>
26 #include <linux/io.h>
27
28 #include <mach/hardware.h>
29 #include <asm/irq.h>
30 #include <asm/leds.h>
31 #include <asm/mach-types.h>
32 #include <asm/hardware/gic.h>
33 #include <asm/hardware/icst307.h>
34 #include <asm/hardware/cache-l2x0.h>
35 #include <asm/localtimer.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-pb11mp.h>
44 #include <mach/irqs.h>
45
46 #include "core.h"
47 #include "clock.h"
48
49 static struct map_desc realview_pb11mp_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_PB11MP_GIC_CPU_BASE),
57                 .pfn            = __phys_to_pfn(REALVIEW_PB11MP_GIC_CPU_BASE),
58                 .length         = SZ_4K,
59                 .type           = MT_DEVICE,
60         }, {
61                 .virtual        = IO_ADDRESS(REALVIEW_PB11MP_GIC_DIST_BASE),
62                 .pfn            = __phys_to_pfn(REALVIEW_PB11MP_GIC_DIST_BASE),
63                 .length         = SZ_4K,
64                 .type           = MT_DEVICE,
65         }, {
66                 .virtual        = IO_ADDRESS(REALVIEW_TC11MP_GIC_CPU_BASE),
67                 .pfn            = __phys_to_pfn(REALVIEW_TC11MP_GIC_CPU_BASE),
68                 .length         = SZ_4K,
69                 .type           = MT_DEVICE,
70         }, {
71                 .virtual        = IO_ADDRESS(REALVIEW_TC11MP_GIC_DIST_BASE),
72                 .pfn            = __phys_to_pfn(REALVIEW_TC11MP_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_PB11MP_TIMER0_1_BASE),
82                 .pfn            = __phys_to_pfn(REALVIEW_PB11MP_TIMER0_1_BASE),
83                 .length         = SZ_4K,
84                 .type           = MT_DEVICE,
85         }, {
86                 .virtual        = IO_ADDRESS(REALVIEW_PB11MP_TIMER2_3_BASE),
87                 .pfn            = __phys_to_pfn(REALVIEW_PB11MP_TIMER2_3_BASE),
88                 .length         = SZ_4K,
89                 .type           = MT_DEVICE,
90         }, {
91                 .virtual        = IO_ADDRESS(REALVIEW_TC11MP_L220_BASE),
92                 .pfn            = __phys_to_pfn(REALVIEW_TC11MP_L220_BASE),
93                 .length         = SZ_8K,
94                 .type           = MT_DEVICE,
95         },
96 #ifdef CONFIG_DEBUG_LL
97         {
98                 .virtual        = IO_ADDRESS(REALVIEW_PB11MP_UART0_BASE),
99                 .pfn            = __phys_to_pfn(REALVIEW_PB11MP_UART0_BASE),
100                 .length         = SZ_4K,
101                 .type           = MT_DEVICE,
102         },
103 #endif
104 };
105
106 static void __init realview_pb11mp_map_io(void)
107 {
108         iotable_init(realview_pb11mp_io_desc, ARRAY_SIZE(realview_pb11mp_io_desc));
109 }
110
111 /*
112  * RealView PB11MPCore AMBA devices
113  */
114
115 #define GPIO2_IRQ               { IRQ_PB11MP_GPIO2, NO_IRQ }
116 #define GPIO2_DMA               { 0, 0 }
117 #define GPIO3_IRQ               { IRQ_PB11MP_GPIO3, NO_IRQ }
118 #define GPIO3_DMA               { 0, 0 }
119 #define AACI_IRQ                { IRQ_TC11MP_AACI, NO_IRQ }
120 #define AACI_DMA                { 0x80, 0x81 }
121 #define MMCI0_IRQ               { IRQ_TC11MP_MMCI0A, IRQ_TC11MP_MMCI0B }
122 #define MMCI0_DMA               { 0x84, 0 }
123 #define KMI0_IRQ                { IRQ_TC11MP_KMI0, NO_IRQ }
124 #define KMI0_DMA                { 0, 0 }
125 #define KMI1_IRQ                { IRQ_TC11MP_KMI1, NO_IRQ }
126 #define KMI1_DMA                { 0, 0 }
127 #define PB11MP_SMC_IRQ          { NO_IRQ, NO_IRQ }
128 #define PB11MP_SMC_DMA          { 0, 0 }
129 #define MPMC_IRQ                { NO_IRQ, NO_IRQ }
130 #define MPMC_DMA                { 0, 0 }
131 #define PB11MP_CLCD_IRQ         { IRQ_PB11MP_CLCD, NO_IRQ }
132 #define PB11MP_CLCD_DMA         { 0, 0 }
133 #define DMAC_IRQ                { IRQ_PB11MP_DMAC, NO_IRQ }
134 #define DMAC_DMA                { 0, 0 }
135 #define SCTL_IRQ                { NO_IRQ, NO_IRQ }
136 #define SCTL_DMA                { 0, 0 }
137 #define PB11MP_WATCHDOG_IRQ     { IRQ_PB11MP_WATCHDOG, NO_IRQ }
138 #define PB11MP_WATCHDOG_DMA     { 0, 0 }
139 #define PB11MP_GPIO0_IRQ        { IRQ_PB11MP_GPIO0, NO_IRQ }
140 #define PB11MP_GPIO0_DMA        { 0, 0 }
141 #define GPIO1_IRQ               { IRQ_PB11MP_GPIO1, NO_IRQ }
142 #define GPIO1_DMA               { 0, 0 }
143 #define PB11MP_RTC_IRQ          { IRQ_TC11MP_RTC, NO_IRQ }
144 #define PB11MP_RTC_DMA          { 0, 0 }
145 #define SCI_IRQ                 { IRQ_PB11MP_SCI, NO_IRQ }
146 #define SCI_DMA                 { 7, 6 }
147 #define PB11MP_UART0_IRQ        { IRQ_TC11MP_UART0, NO_IRQ }
148 #define PB11MP_UART0_DMA        { 15, 14 }
149 #define PB11MP_UART1_IRQ        { IRQ_TC11MP_UART1, NO_IRQ }
150 #define PB11MP_UART1_DMA        { 13, 12 }
151 #define PB11MP_UART2_IRQ        { IRQ_PB11MP_UART2, NO_IRQ }
152 #define PB11MP_UART2_DMA        { 11, 10 }
153 #define PB11MP_UART3_IRQ        { IRQ_PB11MP_UART3, NO_IRQ }
154 #define PB11MP_UART3_DMA        { 0x86, 0x87 }
155 #define PB11MP_SSP_IRQ          { IRQ_PB11MP_SSP, NO_IRQ }
156 #define PB11MP_SSP_DMA          { 9, 8 }
157
158 /* FPGA Primecells */
159 AMBA_DEVICE(aaci,       "fpga:04",      AACI,           NULL);
160 AMBA_DEVICE(mmc0,       "fpga:05",      MMCI0,          &realview_mmc0_plat_data);
161 AMBA_DEVICE(kmi0,       "fpga:06",      KMI0,           NULL);
162 AMBA_DEVICE(kmi1,       "fpga:07",      KMI1,           NULL);
163 AMBA_DEVICE(uart3,      "fpga:09",      PB11MP_UART3,   NULL);
164
165 /* DevChip Primecells */
166 AMBA_DEVICE(smc,        "dev:00",       PB11MP_SMC,     NULL);
167 AMBA_DEVICE(sctl,       "dev:e0",       SCTL,           NULL);
168 AMBA_DEVICE(wdog,       "dev:e1",       PB11MP_WATCHDOG, NULL);
169 AMBA_DEVICE(gpio0,      "dev:e4",       PB11MP_GPIO0,   NULL);
170 AMBA_DEVICE(gpio1,      "dev:e5",       GPIO1,          NULL);
171 AMBA_DEVICE(gpio2,      "dev:e6",       GPIO2,          NULL);
172 AMBA_DEVICE(rtc,        "dev:e8",       PB11MP_RTC,     NULL);
173 AMBA_DEVICE(sci0,       "dev:f0",       SCI,            NULL);
174 AMBA_DEVICE(uart0,      "dev:f1",       PB11MP_UART0,   NULL);
175 AMBA_DEVICE(uart1,      "dev:f2",       PB11MP_UART1,   NULL);
176 AMBA_DEVICE(uart2,      "dev:f3",       PB11MP_UART2,   NULL);
177 AMBA_DEVICE(ssp0,       "dev:f4",       PB11MP_SSP,     NULL);
178
179 /* Primecells on the NEC ISSP chip */
180 AMBA_DEVICE(clcd,       "issp:20",      PB11MP_CLCD,    &clcd_plat_data);
181 AMBA_DEVICE(dmac,       "issp:30",      DMAC,           NULL);
182
183 static struct amba_device *amba_devs[] __initdata = {
184         &dmac_device,
185         &uart0_device,
186         &uart1_device,
187         &uart2_device,
188         &uart3_device,
189         &smc_device,
190         &clcd_device,
191         &sctl_device,
192         &wdog_device,
193         &gpio0_device,
194         &gpio1_device,
195         &gpio2_device,
196         &rtc_device,
197         &sci0_device,
198         &ssp0_device,
199         &aaci_device,
200         &mmc0_device,
201         &kmi0_device,
202         &kmi1_device,
203 };
204
205 /*
206  * RealView PB11MPCore platform devices
207  */
208 static struct resource realview_pb11mp_flash_resource[] = {
209         [0] = {
210                 .start          = REALVIEW_PB11MP_FLASH0_BASE,
211                 .end            = REALVIEW_PB11MP_FLASH0_BASE + REALVIEW_PB11MP_FLASH0_SIZE - 1,
212                 .flags          = IORESOURCE_MEM,
213         },
214         [1] = {
215                 .start          = REALVIEW_PB11MP_FLASH1_BASE,
216                 .end            = REALVIEW_PB11MP_FLASH1_BASE + REALVIEW_PB11MP_FLASH1_SIZE - 1,
217                 .flags          = IORESOURCE_MEM,
218         },
219 };
220
221 static struct resource realview_pb11mp_smsc911x_resources[] = {
222         [0] = {
223                 .start          = REALVIEW_PB11MP_ETH_BASE,
224                 .end            = REALVIEW_PB11MP_ETH_BASE + SZ_64K - 1,
225                 .flags          = IORESOURCE_MEM,
226         },
227         [1] = {
228                 .start          = IRQ_TC11MP_ETH,
229                 .end            = IRQ_TC11MP_ETH,
230                 .flags          = IORESOURCE_IRQ,
231         },
232 };
233
234 static struct resource realview_pb11mp_isp1761_resources[] = {
235         [0] = {
236                 .start          = REALVIEW_PB11MP_USB_BASE,
237                 .end            = REALVIEW_PB11MP_USB_BASE + SZ_128K - 1,
238                 .flags          = IORESOURCE_MEM,
239         },
240         [1] = {
241                 .start          = IRQ_TC11MP_USB,
242                 .end            = IRQ_TC11MP_USB,
243                 .flags          = IORESOURCE_IRQ,
244         },
245 };
246
247 static void __init gic_init_irq(void)
248 {
249         unsigned int pldctrl;
250
251         /* new irq mode with no DCC */
252         writel(0x0000a05f, __io_address(REALVIEW_SYS_LOCK));
253         pldctrl = readl(__io_address(REALVIEW_SYS_BASE) + REALVIEW_PB11MP_SYS_PLD_CTRL1);
254         pldctrl |= 2 << 22;
255         writel(pldctrl, __io_address(REALVIEW_SYS_BASE) + REALVIEW_PB11MP_SYS_PLD_CTRL1);
256         writel(0x00000000, __io_address(REALVIEW_SYS_LOCK));
257
258         /* ARM11MPCore test chip GIC, primary */
259         gic_cpu_base_addr = __io_address(REALVIEW_TC11MP_GIC_CPU_BASE);
260         gic_dist_init(0, __io_address(REALVIEW_TC11MP_GIC_DIST_BASE), 29);
261         gic_cpu_init(0, gic_cpu_base_addr);
262
263         /* board GIC, secondary */
264         gic_dist_init(1, __io_address(REALVIEW_PB11MP_GIC_DIST_BASE), IRQ_PB11MP_GIC_START);
265         gic_cpu_init(1, __io_address(REALVIEW_PB11MP_GIC_CPU_BASE));
266         gic_cascade_irq(1, IRQ_TC11MP_PB_IRQ1);
267 }
268
269 static void __init realview_pb11mp_timer_init(void)
270 {
271         timer0_va_base = __io_address(REALVIEW_PB11MP_TIMER0_1_BASE);
272         timer1_va_base = __io_address(REALVIEW_PB11MP_TIMER0_1_BASE) + 0x20;
273         timer2_va_base = __io_address(REALVIEW_PB11MP_TIMER2_3_BASE);
274         timer3_va_base = __io_address(REALVIEW_PB11MP_TIMER2_3_BASE) + 0x20;
275
276 #ifdef CONFIG_LOCAL_TIMERS
277         twd_base = __io_address(REALVIEW_TC11MP_TWD_BASE);
278 #endif
279         realview_timer_init(IRQ_TC11MP_TIMER0_1);
280 }
281
282 static struct sys_timer realview_pb11mp_timer = {
283         .init           = realview_pb11mp_timer_init,
284 };
285
286 static void __init realview_pb11mp_init(void)
287 {
288         int i;
289
290 #ifdef CONFIG_CACHE_L2X0
291         /* 1MB (128KB/way), 8-way associativity, evmon/parity/share enabled
292          * Bits:  .... ...0 0111 1001 0000 .... .... .... */
293         l2x0_init(__io_address(REALVIEW_TC11MP_L220_BASE), 0x00790000, 0xfe000fff);
294 #endif
295
296         realview_flash_register(realview_pb11mp_flash_resource,
297                                 ARRAY_SIZE(realview_pb11mp_flash_resource));
298         realview_eth_register(NULL, realview_pb11mp_smsc911x_resources);
299         platform_device_register(&realview_i2c_device);
300         platform_device_register(&realview_cf_device);
301         realview_usb_register(realview_pb11mp_isp1761_resources);
302
303         for (i = 0; i < ARRAY_SIZE(amba_devs); i++) {
304                 struct amba_device *d = amba_devs[i];
305                 amba_device_register(d, &iomem_resource);
306         }
307
308 #ifdef CONFIG_LEDS
309         leds_event = realview_leds_event;
310 #endif
311 }
312
313 MACHINE_START(REALVIEW_PB11MP, "ARM-RealView PB11MPCore")
314         /* Maintainer: ARM Ltd/Deep Blue Solutions Ltd */
315         .phys_io        = REALVIEW_PB11MP_UART0_BASE,
316         .io_pg_offst    = (IO_ADDRESS(REALVIEW_PB11MP_UART0_BASE) >> 18) & 0xfffc,
317         .boot_params    = PHYS_OFFSET + 0x00000100,
318         .map_io         = realview_pb11mp_map_io,
319         .init_irq       = gic_init_irq,
320         .timer          = &realview_pb11mp_timer,
321         .init_machine   = realview_pb11mp_init,
322 MACHINE_END