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a0316b24 BB |
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 | ||
a09e64fb | 27 | #include <mach/hardware.h> |
a0316b24 BB |
28 | #include <asm/io.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 | ||
36 | #include <asm/mach/arch.h> | |
37 | #include <asm/mach/flash.h> | |
38 | #include <asm/mach/map.h> | |
39 | #include <asm/mach/mmc.h> | |
40 | #include <asm/mach/time.h> | |
41 | ||
a09e64fb RK |
42 | #include <mach/board-pb1176.h> |
43 | #include <mach/irqs.h> | |
a0316b24 BB |
44 | |
45 | #include "core.h" | |
46 | #include "clock.h" | |
47 | ||
48 | static struct map_desc realview_pb1176_io_desc[] __initdata = { | |
49 | { | |
50 | .virtual = IO_ADDRESS(REALVIEW_SYS_BASE), | |
51 | .pfn = __phys_to_pfn(REALVIEW_SYS_BASE), | |
52 | .length = SZ_4K, | |
53 | .type = MT_DEVICE, | |
54 | }, { | |
55 | .virtual = IO_ADDRESS(REALVIEW_PB1176_GIC_CPU_BASE), | |
56 | .pfn = __phys_to_pfn(REALVIEW_PB1176_GIC_CPU_BASE), | |
57 | .length = SZ_4K, | |
58 | .type = MT_DEVICE, | |
59 | }, { | |
60 | .virtual = IO_ADDRESS(REALVIEW_PB1176_GIC_DIST_BASE), | |
61 | .pfn = __phys_to_pfn(REALVIEW_PB1176_GIC_DIST_BASE), | |
62 | .length = SZ_4K, | |
63 | .type = MT_DEVICE, | |
64 | }, { | |
65 | .virtual = IO_ADDRESS(REALVIEW_DC1176_GIC_CPU_BASE), | |
66 | .pfn = __phys_to_pfn(REALVIEW_DC1176_GIC_CPU_BASE), | |
67 | .length = SZ_4K, | |
68 | .type = MT_DEVICE, | |
69 | }, { | |
70 | .virtual = IO_ADDRESS(REALVIEW_DC1176_GIC_DIST_BASE), | |
71 | .pfn = __phys_to_pfn(REALVIEW_DC1176_GIC_DIST_BASE), | |
72 | .length = SZ_4K, | |
73 | .type = MT_DEVICE, | |
74 | }, { | |
75 | .virtual = IO_ADDRESS(REALVIEW_SCTL_BASE), | |
76 | .pfn = __phys_to_pfn(REALVIEW_SCTL_BASE), | |
77 | .length = SZ_4K, | |
78 | .type = MT_DEVICE, | |
79 | }, { | |
80 | .virtual = IO_ADDRESS(REALVIEW_PB1176_TIMER0_1_BASE), | |
81 | .pfn = __phys_to_pfn(REALVIEW_PB1176_TIMER0_1_BASE), | |
82 | .length = SZ_4K, | |
83 | .type = MT_DEVICE, | |
84 | }, { | |
85 | .virtual = IO_ADDRESS(REALVIEW_PB1176_TIMER2_3_BASE), | |
86 | .pfn = __phys_to_pfn(REALVIEW_PB1176_TIMER2_3_BASE), | |
87 | .length = SZ_4K, | |
88 | .type = MT_DEVICE, | |
89 | }, { | |
90 | .virtual = IO_ADDRESS(REALVIEW_PB1176_L220_BASE), | |
91 | .pfn = __phys_to_pfn(REALVIEW_PB1176_L220_BASE), | |
92 | .length = SZ_8K, | |
93 | .type = MT_DEVICE, | |
94 | }, | |
95 | #ifdef CONFIG_DEBUG_LL | |
96 | { | |
97 | .virtual = IO_ADDRESS(REALVIEW_PB1176_UART0_BASE), | |
98 | .pfn = __phys_to_pfn(REALVIEW_PB1176_UART0_BASE), | |
99 | .length = SZ_4K, | |
100 | .type = MT_DEVICE, | |
101 | }, | |
102 | #endif | |
103 | }; | |
104 | ||
105 | static void __init realview_pb1176_map_io(void) | |
106 | { | |
107 | iotable_init(realview_pb1176_io_desc, ARRAY_SIZE(realview_pb1176_io_desc)); | |
108 | } | |
109 | ||
110 | /* | |
111 | * RealView PB1176 AMBA devices | |
112 | */ | |
113 | #define GPIO2_IRQ { IRQ_PB1176_GPIO2, NO_IRQ } | |
114 | #define GPIO2_DMA { 0, 0 } | |
115 | #define GPIO3_IRQ { IRQ_PB1176_GPIO3, NO_IRQ } | |
116 | #define GPIO3_DMA { 0, 0 } | |
117 | #define AACI_IRQ { IRQ_PB1176_AACI, NO_IRQ } | |
118 | #define AACI_DMA { 0x80, 0x81 } | |
119 | #define MMCI0_IRQ { IRQ_PB1176_MMCI0A, IRQ_PB1176_MMCI0B } | |
120 | #define MMCI0_DMA { 0x84, 0 } | |
121 | #define KMI0_IRQ { IRQ_PB1176_KMI0, NO_IRQ } | |
122 | #define KMI0_DMA { 0, 0 } | |
123 | #define KMI1_IRQ { IRQ_PB1176_KMI1, NO_IRQ } | |
124 | #define KMI1_DMA { 0, 0 } | |
125 | #define PB1176_SMC_IRQ { NO_IRQ, NO_IRQ } | |
126 | #define PB1176_SMC_DMA { 0, 0 } | |
127 | #define MPMC_IRQ { NO_IRQ, NO_IRQ } | |
128 | #define MPMC_DMA { 0, 0 } | |
129 | #define PB1176_CLCD_IRQ { IRQ_DC1176_CLCD, NO_IRQ } | |
130 | #define PB1176_CLCD_DMA { 0, 0 } | |
131 | #define DMAC_IRQ { IRQ_PB1176_DMAC, NO_IRQ } | |
132 | #define DMAC_DMA { 0, 0 } | |
133 | #define SCTL_IRQ { NO_IRQ, NO_IRQ } | |
134 | #define SCTL_DMA { 0, 0 } | |
135 | #define PB1176_WATCHDOG_IRQ { IRQ_DC1176_WATCHDOG, NO_IRQ } | |
136 | #define PB1176_WATCHDOG_DMA { 0, 0 } | |
137 | #define PB1176_GPIO0_IRQ { IRQ_PB1176_GPIO0, NO_IRQ } | |
138 | #define PB1176_GPIO0_DMA { 0, 0 } | |
139 | #define GPIO1_IRQ { IRQ_PB1176_GPIO1, NO_IRQ } | |
140 | #define GPIO1_DMA { 0, 0 } | |
141 | #define PB1176_RTC_IRQ { IRQ_DC1176_RTC, NO_IRQ } | |
142 | #define PB1176_RTC_DMA { 0, 0 } | |
143 | #define SCI_IRQ { IRQ_PB1176_SCI, NO_IRQ } | |
144 | #define SCI_DMA { 7, 6 } | |
145 | #define PB1176_UART0_IRQ { IRQ_DC1176_UART0, NO_IRQ } | |
146 | #define PB1176_UART0_DMA { 15, 14 } | |
147 | #define PB1176_UART1_IRQ { IRQ_DC1176_UART1, NO_IRQ } | |
148 | #define PB1176_UART1_DMA { 13, 12 } | |
149 | #define PB1176_UART2_IRQ { IRQ_DC1176_UART2, NO_IRQ } | |
150 | #define PB1176_UART2_DMA { 11, 10 } | |
151 | #define PB1176_UART3_IRQ { IRQ_DC1176_UART3, NO_IRQ } | |
152 | #define PB1176_UART3_DMA { 0x86, 0x87 } | |
153 | #define PB1176_SSP_IRQ { IRQ_PB1176_SSP, NO_IRQ } | |
154 | #define PB1176_SSP_DMA { 9, 8 } | |
155 | ||
156 | /* FPGA Primecells */ | |
157 | AMBA_DEVICE(aaci, "fpga:04", AACI, NULL); | |
158 | AMBA_DEVICE(mmc0, "fpga:05", MMCI0, &realview_mmc0_plat_data); | |
159 | AMBA_DEVICE(kmi0, "fpga:06", KMI0, NULL); | |
160 | AMBA_DEVICE(kmi1, "fpga:07", KMI1, NULL); | |
161 | AMBA_DEVICE(uart3, "fpga:09", PB1176_UART3, NULL); | |
162 | ||
163 | /* DevChip Primecells */ | |
164 | AMBA_DEVICE(smc, "dev:00", PB1176_SMC, NULL); | |
165 | AMBA_DEVICE(sctl, "dev:e0", SCTL, NULL); | |
166 | AMBA_DEVICE(wdog, "dev:e1", PB1176_WATCHDOG, NULL); | |
167 | AMBA_DEVICE(gpio0, "dev:e4", PB1176_GPIO0, NULL); | |
168 | AMBA_DEVICE(gpio1, "dev:e5", GPIO1, NULL); | |
169 | AMBA_DEVICE(gpio2, "dev:e6", GPIO2, NULL); | |
170 | AMBA_DEVICE(rtc, "dev:e8", PB1176_RTC, NULL); | |
171 | AMBA_DEVICE(sci0, "dev:f0", SCI, NULL); | |
172 | AMBA_DEVICE(uart0, "dev:f1", PB1176_UART0, NULL); | |
173 | AMBA_DEVICE(uart1, "dev:f2", PB1176_UART1, NULL); | |
174 | AMBA_DEVICE(uart2, "dev:f3", PB1176_UART2, NULL); | |
175 | AMBA_DEVICE(ssp0, "dev:f4", PB1176_SSP, NULL); | |
176 | ||
177 | /* Primecells on the NEC ISSP chip */ | |
178 | AMBA_DEVICE(clcd, "issp:20", PB1176_CLCD, &clcd_plat_data); | |
179 | //AMBA_DEVICE(dmac, "issp:30", PB1176_DMAC, NULL); | |
180 | ||
181 | static struct amba_device *amba_devs[] __initdata = { | |
182 | // &dmac_device, | |
183 | &uart0_device, | |
184 | &uart1_device, | |
185 | &uart2_device, | |
186 | &uart3_device, | |
187 | &smc_device, | |
188 | &clcd_device, | |
189 | &sctl_device, | |
190 | &wdog_device, | |
191 | &gpio0_device, | |
192 | &gpio1_device, | |
193 | &gpio2_device, | |
194 | &rtc_device, | |
195 | &sci0_device, | |
196 | &ssp0_device, | |
197 | &aaci_device, | |
198 | &mmc0_device, | |
199 | &kmi0_device, | |
200 | &kmi1_device, | |
201 | }; | |
202 | ||
203 | /* | |
204 | * RealView PB1176 platform devices | |
205 | */ | |
206 | static struct resource realview_pb1176_flash_resource = { | |
207 | .start = REALVIEW_PB1176_FLASH_BASE, | |
208 | .end = REALVIEW_PB1176_FLASH_BASE + REALVIEW_PB1176_FLASH_SIZE - 1, | |
209 | .flags = IORESOURCE_MEM, | |
210 | }; | |
211 | ||
212 | static struct resource realview_pb1176_smsc911x_resources[] = { | |
213 | [0] = { | |
214 | .start = REALVIEW_PB1176_ETH_BASE, | |
215 | .end = REALVIEW_PB1176_ETH_BASE + SZ_64K - 1, | |
216 | .flags = IORESOURCE_MEM, | |
217 | }, | |
218 | [1] = { | |
219 | .start = IRQ_PB1176_ETH, | |
220 | .end = IRQ_PB1176_ETH, | |
221 | .flags = IORESOURCE_IRQ, | |
222 | }, | |
223 | }; | |
224 | ||
225 | static struct platform_device realview_pb1176_smsc911x_device = { | |
226 | .name = "smc911x", | |
227 | .id = 0, | |
228 | .num_resources = ARRAY_SIZE(realview_pb1176_smsc911x_resources), | |
229 | .resource = realview_pb1176_smsc911x_resources, | |
230 | }; | |
231 | ||
232 | static void __init gic_init_irq(void) | |
233 | { | |
234 | /* ARM1176 DevChip GIC, primary */ | |
235 | gic_cpu_base_addr = __io_address(REALVIEW_DC1176_GIC_CPU_BASE); | |
236 | gic_dist_init(0, __io_address(REALVIEW_DC1176_GIC_DIST_BASE), IRQ_DC1176_GIC_START); | |
237 | gic_cpu_init(0, gic_cpu_base_addr); | |
238 | ||
239 | /* board GIC, secondary */ | |
240 | gic_dist_init(1, __io_address(REALVIEW_PB1176_GIC_DIST_BASE), IRQ_PB1176_GIC_START); | |
241 | gic_cpu_init(1, __io_address(REALVIEW_PB1176_GIC_CPU_BASE)); | |
242 | gic_cascade_irq(1, IRQ_DC1176_PB_IRQ1); | |
243 | } | |
244 | ||
245 | static void __init realview_pb1176_timer_init(void) | |
246 | { | |
247 | timer0_va_base = __io_address(REALVIEW_PB1176_TIMER0_1_BASE); | |
248 | timer1_va_base = __io_address(REALVIEW_PB1176_TIMER0_1_BASE) + 0x20; | |
249 | timer2_va_base = __io_address(REALVIEW_PB1176_TIMER2_3_BASE); | |
250 | timer3_va_base = __io_address(REALVIEW_PB1176_TIMER2_3_BASE) + 0x20; | |
251 | ||
252 | realview_timer_init(IRQ_DC1176_TIMER0); | |
253 | } | |
254 | ||
255 | static struct sys_timer realview_pb1176_timer = { | |
256 | .init = realview_pb1176_timer_init, | |
257 | }; | |
258 | ||
259 | static void __init realview_pb1176_init(void) | |
260 | { | |
261 | int i; | |
262 | ||
ba927951 | 263 | #ifdef CONFIG_CACHE_L2X0 |
a0316b24 BB |
264 | /* 128Kb (16Kb/way) 8-way associativity. evmon/parity/share enabled. */ |
265 | l2x0_init(__io_address(REALVIEW_PB1176_L220_BASE), 0x00730000, 0xfe000fff); | |
ba927951 | 266 | #endif |
a0316b24 BB |
267 | |
268 | clk_register(&realview_clcd_clk); | |
269 | ||
270 | realview_flash_register(&realview_pb1176_flash_resource, 1); | |
271 | platform_device_register(&realview_pb1176_smsc911x_device); | |
272 | ||
273 | for (i = 0; i < ARRAY_SIZE(amba_devs); i++) { | |
274 | struct amba_device *d = amba_devs[i]; | |
275 | amba_device_register(d, &iomem_resource); | |
276 | } | |
277 | ||
278 | #ifdef CONFIG_LEDS | |
279 | leds_event = realview_leds_event; | |
280 | #endif | |
281 | } | |
282 | ||
283 | MACHINE_START(REALVIEW_PB1176, "ARM-RealView PB1176") | |
284 | /* Maintainer: ARM Ltd/Deep Blue Solutions Ltd */ | |
285 | .phys_io = REALVIEW_PB1176_UART0_BASE, | |
286 | .io_pg_offst = (IO_ADDRESS(REALVIEW_PB1176_UART0_BASE) >> 18) & 0xfffc, | |
287 | .boot_params = 0x00000100, | |
288 | .map_io = realview_pb1176_map_io, | |
289 | .init_irq = gic_init_irq, | |
290 | .timer = &realview_pb1176_timer, | |
291 | .init_machine = realview_pb1176_init, | |
292 | MACHINE_END |