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e7c70825 BB |
1 | /* |
2 | * linux/arch/arm/mach-realview/realview_pba8.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 <asm/irq.h> | |
29 | #include <asm/leds.h> | |
30 | #include <asm/mach-types.h> | |
31 | #include <asm/hardware/gic.h> | |
32 | #include <asm/hardware/icst307.h> | |
33 | ||
34 | #include <asm/mach/arch.h> | |
35 | #include <asm/mach/map.h> | |
36 | #include <asm/mach/mmc.h> | |
37 | #include <asm/mach/time.h> | |
38 | ||
39 | #include <mach/hardware.h> | |
40 | #include <mach/board-pba8.h> | |
41 | #include <mach/irqs.h> | |
42 | ||
43 | #include "core.h" | |
44 | #include "clock.h" | |
45 | ||
46 | static struct map_desc realview_pba8_io_desc[] __initdata = { | |
47 | { | |
48 | .virtual = IO_ADDRESS(REALVIEW_SYS_BASE), | |
49 | .pfn = __phys_to_pfn(REALVIEW_SYS_BASE), | |
50 | .length = SZ_4K, | |
51 | .type = MT_DEVICE, | |
52 | }, { | |
53 | .virtual = IO_ADDRESS(REALVIEW_PBA8_GIC_CPU_BASE), | |
54 | .pfn = __phys_to_pfn(REALVIEW_PBA8_GIC_CPU_BASE), | |
55 | .length = SZ_4K, | |
56 | .type = MT_DEVICE, | |
57 | }, { | |
58 | .virtual = IO_ADDRESS(REALVIEW_PBA8_GIC_DIST_BASE), | |
59 | .pfn = __phys_to_pfn(REALVIEW_PBA8_GIC_DIST_BASE), | |
60 | .length = SZ_4K, | |
61 | .type = MT_DEVICE, | |
62 | }, { | |
63 | .virtual = IO_ADDRESS(REALVIEW_SCTL_BASE), | |
64 | .pfn = __phys_to_pfn(REALVIEW_SCTL_BASE), | |
65 | .length = SZ_4K, | |
66 | .type = MT_DEVICE, | |
67 | }, { | |
68 | .virtual = IO_ADDRESS(REALVIEW_PBA8_TIMER0_1_BASE), | |
69 | .pfn = __phys_to_pfn(REALVIEW_PBA8_TIMER0_1_BASE), | |
70 | .length = SZ_4K, | |
71 | .type = MT_DEVICE, | |
72 | }, { | |
73 | .virtual = IO_ADDRESS(REALVIEW_PBA8_TIMER2_3_BASE), | |
74 | .pfn = __phys_to_pfn(REALVIEW_PBA8_TIMER2_3_BASE), | |
75 | .length = SZ_4K, | |
76 | .type = MT_DEVICE, | |
77 | }, | |
78 | #ifdef CONFIG_PCI | |
79 | { | |
80 | .virtual = PCIX_UNIT_BASE, | |
81 | .pfn = __phys_to_pfn(REALVIEW_PBA8_PCI_BASE), | |
82 | .length = REALVIEW_PBA8_PCI_BASE_SIZE, | |
83 | .type = MT_DEVICE | |
84 | }, | |
85 | #endif | |
86 | #ifdef CONFIG_DEBUG_LL | |
87 | { | |
88 | .virtual = IO_ADDRESS(REALVIEW_PBA8_UART0_BASE), | |
89 | .pfn = __phys_to_pfn(REALVIEW_PBA8_UART0_BASE), | |
90 | .length = SZ_4K, | |
91 | .type = MT_DEVICE, | |
92 | }, | |
93 | #endif | |
94 | }; | |
95 | ||
96 | static void __init realview_pba8_map_io(void) | |
97 | { | |
98 | iotable_init(realview_pba8_io_desc, ARRAY_SIZE(realview_pba8_io_desc)); | |
99 | } | |
100 | ||
101 | /* | |
102 | * RealView PBA8Core AMBA devices | |
103 | */ | |
104 | ||
105 | #define GPIO2_IRQ { IRQ_PBA8_GPIO2, NO_IRQ } | |
106 | #define GPIO2_DMA { 0, 0 } | |
107 | #define GPIO3_IRQ { IRQ_PBA8_GPIO3, NO_IRQ } | |
108 | #define GPIO3_DMA { 0, 0 } | |
109 | #define AACI_IRQ { IRQ_PBA8_AACI, NO_IRQ } | |
110 | #define AACI_DMA { 0x80, 0x81 } | |
111 | #define MMCI0_IRQ { IRQ_PBA8_MMCI0A, IRQ_PBA8_MMCI0B } | |
112 | #define MMCI0_DMA { 0x84, 0 } | |
113 | #define KMI0_IRQ { IRQ_PBA8_KMI0, NO_IRQ } | |
114 | #define KMI0_DMA { 0, 0 } | |
115 | #define KMI1_IRQ { IRQ_PBA8_KMI1, NO_IRQ } | |
116 | #define KMI1_DMA { 0, 0 } | |
117 | #define PBA8_SMC_IRQ { NO_IRQ, NO_IRQ } | |
118 | #define PBA8_SMC_DMA { 0, 0 } | |
119 | #define MPMC_IRQ { NO_IRQ, NO_IRQ } | |
120 | #define MPMC_DMA { 0, 0 } | |
121 | #define PBA8_CLCD_IRQ { IRQ_PBA8_CLCD, NO_IRQ } | |
122 | #define PBA8_CLCD_DMA { 0, 0 } | |
123 | #define DMAC_IRQ { IRQ_PBA8_DMAC, NO_IRQ } | |
124 | #define DMAC_DMA { 0, 0 } | |
125 | #define SCTL_IRQ { NO_IRQ, NO_IRQ } | |
126 | #define SCTL_DMA { 0, 0 } | |
127 | #define PBA8_WATCHDOG_IRQ { IRQ_PBA8_WATCHDOG, NO_IRQ } | |
128 | #define PBA8_WATCHDOG_DMA { 0, 0 } | |
129 | #define PBA8_GPIO0_IRQ { IRQ_PBA8_GPIO0, NO_IRQ } | |
130 | #define PBA8_GPIO0_DMA { 0, 0 } | |
131 | #define GPIO1_IRQ { IRQ_PBA8_GPIO1, NO_IRQ } | |
132 | #define GPIO1_DMA { 0, 0 } | |
133 | #define PBA8_RTC_IRQ { IRQ_PBA8_RTC, NO_IRQ } | |
134 | #define PBA8_RTC_DMA { 0, 0 } | |
135 | #define SCI_IRQ { IRQ_PBA8_SCI, NO_IRQ } | |
136 | #define SCI_DMA { 7, 6 } | |
137 | #define PBA8_UART0_IRQ { IRQ_PBA8_UART0, NO_IRQ } | |
138 | #define PBA8_UART0_DMA { 15, 14 } | |
139 | #define PBA8_UART1_IRQ { IRQ_PBA8_UART1, NO_IRQ } | |
140 | #define PBA8_UART1_DMA { 13, 12 } | |
141 | #define PBA8_UART2_IRQ { IRQ_PBA8_UART2, NO_IRQ } | |
142 | #define PBA8_UART2_DMA { 11, 10 } | |
143 | #define PBA8_UART3_IRQ { IRQ_PBA8_UART3, NO_IRQ } | |
144 | #define PBA8_UART3_DMA { 0x86, 0x87 } | |
145 | #define PBA8_SSP_IRQ { IRQ_PBA8_SSP, NO_IRQ } | |
146 | #define PBA8_SSP_DMA { 9, 8 } | |
147 | ||
148 | /* FPGA Primecells */ | |
149 | AMBA_DEVICE(aaci, "fpga:04", AACI, NULL); | |
150 | AMBA_DEVICE(mmc0, "fpga:05", MMCI0, &realview_mmc0_plat_data); | |
151 | AMBA_DEVICE(kmi0, "fpga:06", KMI0, NULL); | |
152 | AMBA_DEVICE(kmi1, "fpga:07", KMI1, NULL); | |
153 | AMBA_DEVICE(uart3, "fpga:09", PBA8_UART3, NULL); | |
154 | ||
155 | /* DevChip Primecells */ | |
156 | AMBA_DEVICE(smc, "dev:00", PBA8_SMC, NULL); | |
157 | AMBA_DEVICE(sctl, "dev:e0", SCTL, NULL); | |
158 | AMBA_DEVICE(wdog, "dev:e1", PBA8_WATCHDOG, NULL); | |
159 | AMBA_DEVICE(gpio0, "dev:e4", PBA8_GPIO0, NULL); | |
160 | AMBA_DEVICE(gpio1, "dev:e5", GPIO1, NULL); | |
161 | AMBA_DEVICE(gpio2, "dev:e6", GPIO2, NULL); | |
162 | AMBA_DEVICE(rtc, "dev:e8", PBA8_RTC, NULL); | |
163 | AMBA_DEVICE(sci0, "dev:f0", SCI, NULL); | |
164 | AMBA_DEVICE(uart0, "dev:f1", PBA8_UART0, NULL); | |
165 | AMBA_DEVICE(uart1, "dev:f2", PBA8_UART1, NULL); | |
166 | AMBA_DEVICE(uart2, "dev:f3", PBA8_UART2, NULL); | |
167 | AMBA_DEVICE(ssp0, "dev:f4", PBA8_SSP, NULL); | |
168 | ||
169 | /* Primecells on the NEC ISSP chip */ | |
170 | AMBA_DEVICE(clcd, "issp:20", PBA8_CLCD, &clcd_plat_data); | |
171 | AMBA_DEVICE(dmac, "issp:30", DMAC, NULL); | |
172 | ||
173 | static struct amba_device *amba_devs[] __initdata = { | |
174 | &dmac_device, | |
175 | &uart0_device, | |
176 | &uart1_device, | |
177 | &uart2_device, | |
178 | &uart3_device, | |
179 | &smc_device, | |
180 | &clcd_device, | |
181 | &sctl_device, | |
182 | &wdog_device, | |
183 | &gpio0_device, | |
184 | &gpio1_device, | |
185 | &gpio2_device, | |
186 | &rtc_device, | |
187 | &sci0_device, | |
188 | &ssp0_device, | |
189 | &aaci_device, | |
190 | &mmc0_device, | |
191 | &kmi0_device, | |
192 | &kmi1_device, | |
193 | }; | |
194 | ||
195 | /* | |
196 | * RealView PB-A8 platform devices | |
197 | */ | |
198 | static struct resource realview_pba8_flash_resource[] = { | |
199 | [0] = { | |
200 | .start = REALVIEW_PBA8_FLASH0_BASE, | |
201 | .end = REALVIEW_PBA8_FLASH0_BASE + REALVIEW_PBA8_FLASH0_SIZE - 1, | |
202 | .flags = IORESOURCE_MEM, | |
203 | }, | |
204 | [1] = { | |
205 | .start = REALVIEW_PBA8_FLASH1_BASE, | |
206 | .end = REALVIEW_PBA8_FLASH1_BASE + REALVIEW_PBA8_FLASH1_SIZE - 1, | |
207 | .flags = IORESOURCE_MEM, | |
208 | }, | |
209 | }; | |
210 | ||
211 | static struct resource realview_pba8_smsc911x_resources[] = { | |
212 | [0] = { | |
213 | .start = REALVIEW_PBA8_ETH_BASE, | |
214 | .end = REALVIEW_PBA8_ETH_BASE + SZ_64K - 1, | |
215 | .flags = IORESOURCE_MEM, | |
216 | }, | |
217 | [1] = { | |
218 | .start = IRQ_PBA8_ETH, | |
219 | .end = IRQ_PBA8_ETH, | |
220 | .flags = IORESOURCE_IRQ, | |
221 | }, | |
222 | }; | |
223 | ||
7db21712 CM |
224 | static struct resource realview_pba8_isp1761_resources[] = { |
225 | [0] = { | |
226 | .start = REALVIEW_PBA8_USB_BASE, | |
227 | .end = REALVIEW_PBA8_USB_BASE + SZ_128K - 1, | |
228 | .flags = IORESOURCE_MEM, | |
229 | }, | |
230 | [1] = { | |
231 | .start = IRQ_PBA8_USB, | |
232 | .end = IRQ_PBA8_USB, | |
233 | .flags = IORESOURCE_IRQ, | |
234 | }, | |
235 | }; | |
236 | ||
e7c70825 BB |
237 | static void __init gic_init_irq(void) |
238 | { | |
239 | /* ARM PB-A8 on-board GIC */ | |
240 | gic_cpu_base_addr = __io_address(REALVIEW_PBA8_GIC_CPU_BASE); | |
241 | gic_dist_init(0, __io_address(REALVIEW_PBA8_GIC_DIST_BASE), IRQ_PBA8_GIC_START); | |
242 | gic_cpu_init(0, __io_address(REALVIEW_PBA8_GIC_CPU_BASE)); | |
243 | } | |
244 | ||
245 | static void __init realview_pba8_timer_init(void) | |
246 | { | |
247 | timer0_va_base = __io_address(REALVIEW_PBA8_TIMER0_1_BASE); | |
248 | timer1_va_base = __io_address(REALVIEW_PBA8_TIMER0_1_BASE) + 0x20; | |
249 | timer2_va_base = __io_address(REALVIEW_PBA8_TIMER2_3_BASE); | |
250 | timer3_va_base = __io_address(REALVIEW_PBA8_TIMER2_3_BASE) + 0x20; | |
251 | ||
252 | realview_timer_init(IRQ_PBA8_TIMER0_1); | |
253 | } | |
254 | ||
255 | static struct sys_timer realview_pba8_timer = { | |
256 | .init = realview_pba8_timer_init, | |
257 | }; | |
258 | ||
259 | static void __init realview_pba8_init(void) | |
260 | { | |
261 | int i; | |
262 | ||
263 | realview_flash_register(realview_pba8_flash_resource, | |
264 | ARRAY_SIZE(realview_pba8_flash_resource)); | |
0a381330 | 265 | realview_eth_register(NULL, realview_pba8_smsc911x_resources); |
e7c70825 | 266 | platform_device_register(&realview_i2c_device); |
6be62ba2 | 267 | platform_device_register(&realview_cf_device); |
7db21712 | 268 | realview_usb_register(realview_pba8_isp1761_resources); |
e7c70825 BB |
269 | |
270 | for (i = 0; i < ARRAY_SIZE(amba_devs); i++) { | |
271 | struct amba_device *d = amba_devs[i]; | |
272 | amba_device_register(d, &iomem_resource); | |
273 | } | |
274 | ||
275 | #ifdef CONFIG_LEDS | |
276 | leds_event = realview_leds_event; | |
277 | #endif | |
278 | } | |
279 | ||
280 | MACHINE_START(REALVIEW_PBA8, "ARM-RealView PB-A8") | |
281 | /* Maintainer: ARM Ltd/Deep Blue Solutions Ltd */ | |
282 | .phys_io = REALVIEW_PBA8_UART0_BASE, | |
283 | .io_pg_offst = (IO_ADDRESS(REALVIEW_PBA8_UART0_BASE) >> 18) & 0xfffc, | |
284 | .boot_params = PHYS_OFFSET + 0x00000100, | |
285 | .map_io = realview_pba8_map_io, | |
286 | .init_irq = gic_init_irq, | |
287 | .timer = &realview_pba8_timer, | |
288 | .init_machine = realview_pba8_init, | |
289 | MACHINE_END |