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edabd38e SB |
1 | /* |
2 | * arch/arm/mach-dove/common.c | |
3 | * | |
4 | * Core functions for Marvell Dove 88AP510 System On Chip | |
5 | * | |
6 | * This file is licensed under the terms of the GNU General Public | |
7 | * License version 2. This program is licensed "as is" without any | |
8 | * warranty of any kind, whether express or implied. | |
9 | */ | |
10 | ||
11 | #include <linux/kernel.h> | |
12 | #include <linux/delay.h> | |
13 | #include <linux/init.h> | |
14 | #include <linux/platform_device.h> | |
15 | #include <linux/pci.h> | |
16 | #include <linux/serial_8250.h> | |
17 | #include <linux/clk.h> | |
18 | #include <linux/mbus.h> | |
edabd38e | 19 | #include <linux/ata_platform.h> |
5c602551 | 20 | #include <linux/serial_8250.h> |
edabd38e SB |
21 | #include <linux/gpio.h> |
22 | #include <asm/page.h> | |
23 | #include <asm/setup.h> | |
24 | #include <asm/timex.h> | |
573a652f | 25 | #include <asm/hardware/cache-tauros2.h> |
edabd38e SB |
26 | #include <asm/mach/map.h> |
27 | #include <asm/mach/time.h> | |
28 | #include <asm/mach/pci.h> | |
29 | #include <mach/dove.h> | |
30 | #include <mach/bridge-regs.h> | |
31 | #include <asm/mach/arch.h> | |
32 | #include <linux/irq.h> | |
edabd38e | 33 | #include <plat/time.h> |
28a2b450 | 34 | #include <plat/common.h> |
edabd38e SB |
35 | #include "common.h" |
36 | ||
28a2b450 AL |
37 | static int get_tclk(void); |
38 | ||
edabd38e SB |
39 | /***************************************************************************** |
40 | * I/O Address Mapping | |
41 | ****************************************************************************/ | |
42 | static struct map_desc dove_io_desc[] __initdata = { | |
43 | { | |
44 | .virtual = DOVE_SB_REGS_VIRT_BASE, | |
45 | .pfn = __phys_to_pfn(DOVE_SB_REGS_PHYS_BASE), | |
46 | .length = DOVE_SB_REGS_SIZE, | |
47 | .type = MT_DEVICE, | |
48 | }, { | |
49 | .virtual = DOVE_NB_REGS_VIRT_BASE, | |
50 | .pfn = __phys_to_pfn(DOVE_NB_REGS_PHYS_BASE), | |
51 | .length = DOVE_NB_REGS_SIZE, | |
52 | .type = MT_DEVICE, | |
53 | }, { | |
54 | .virtual = DOVE_PCIE0_IO_VIRT_BASE, | |
55 | .pfn = __phys_to_pfn(DOVE_PCIE0_IO_PHYS_BASE), | |
56 | .length = DOVE_PCIE0_IO_SIZE, | |
57 | .type = MT_DEVICE, | |
58 | }, { | |
59 | .virtual = DOVE_PCIE1_IO_VIRT_BASE, | |
60 | .pfn = __phys_to_pfn(DOVE_PCIE1_IO_PHYS_BASE), | |
61 | .length = DOVE_PCIE1_IO_SIZE, | |
62 | .type = MT_DEVICE, | |
63 | }, | |
64 | }; | |
65 | ||
66 | void __init dove_map_io(void) | |
67 | { | |
68 | iotable_init(dove_io_desc, ARRAY_SIZE(dove_io_desc)); | |
69 | } | |
70 | ||
edabd38e SB |
71 | /***************************************************************************** |
72 | * EHCI0 | |
73 | ****************************************************************************/ | |
edabd38e SB |
74 | void __init dove_ehci0_init(void) |
75 | { | |
4fcd3f37 AL |
76 | orion_ehci_init(&dove_mbus_dram_info, |
77 | DOVE_USB0_PHYS_BASE, IRQ_DOVE_USB0); | |
edabd38e SB |
78 | } |
79 | ||
80 | /***************************************************************************** | |
81 | * EHCI1 | |
82 | ****************************************************************************/ | |
edabd38e SB |
83 | void __init dove_ehci1_init(void) |
84 | { | |
4fcd3f37 AL |
85 | orion_ehci_1_init(&dove_mbus_dram_info, |
86 | DOVE_USB1_PHYS_BASE, IRQ_DOVE_USB1); | |
edabd38e SB |
87 | } |
88 | ||
89 | /***************************************************************************** | |
90 | * GE00 | |
91 | ****************************************************************************/ | |
edabd38e SB |
92 | void __init dove_ge00_init(struct mv643xx_eth_platform_data *eth_data) |
93 | { | |
7e3819d8 AL |
94 | orion_ge00_init(eth_data, &dove_mbus_dram_info, |
95 | DOVE_GE00_PHYS_BASE, IRQ_DOVE_GE00_SUM, | |
96 | 0, get_tclk()); | |
edabd38e SB |
97 | } |
98 | ||
99 | /***************************************************************************** | |
100 | * SoC RTC | |
101 | ****************************************************************************/ | |
edabd38e SB |
102 | void __init dove_rtc_init(void) |
103 | { | |
f6eaccb3 | 104 | orion_rtc_init(DOVE_RTC_PHYS_BASE, IRQ_DOVE_RTC); |
edabd38e SB |
105 | } |
106 | ||
107 | /***************************************************************************** | |
108 | * SATA | |
109 | ****************************************************************************/ | |
110 | static struct resource dove_sata_resources[] = { | |
111 | { | |
112 | .name = "sata base", | |
113 | .start = DOVE_SATA_PHYS_BASE, | |
114 | .end = DOVE_SATA_PHYS_BASE + 0x5000 - 1, | |
115 | .flags = IORESOURCE_MEM, | |
116 | }, { | |
117 | .name = "sata irq", | |
118 | .start = IRQ_DOVE_SATA, | |
119 | .end = IRQ_DOVE_SATA, | |
120 | .flags = IORESOURCE_IRQ, | |
121 | }, | |
122 | }; | |
123 | ||
124 | static struct platform_device dove_sata = { | |
125 | .name = "sata_mv", | |
126 | .id = 0, | |
127 | .dev = { | |
128 | .coherent_dma_mask = DMA_BIT_MASK(32), | |
129 | }, | |
130 | .num_resources = ARRAY_SIZE(dove_sata_resources), | |
131 | .resource = dove_sata_resources, | |
132 | }; | |
133 | ||
134 | void __init dove_sata_init(struct mv_sata_platform_data *sata_data) | |
135 | { | |
136 | sata_data->dram = &dove_mbus_dram_info; | |
137 | dove_sata.dev.platform_data = sata_data; | |
138 | platform_device_register(&dove_sata); | |
139 | } | |
140 | ||
141 | /***************************************************************************** | |
142 | * UART0 | |
143 | ****************************************************************************/ | |
edabd38e SB |
144 | void __init dove_uart0_init(void) |
145 | { | |
28a2b450 AL |
146 | orion_uart0_init(DOVE_UART0_VIRT_BASE, DOVE_UART0_PHYS_BASE, |
147 | IRQ_DOVE_UART_0, get_tclk()); | |
edabd38e SB |
148 | } |
149 | ||
150 | /***************************************************************************** | |
151 | * UART1 | |
152 | ****************************************************************************/ | |
edabd38e SB |
153 | void __init dove_uart1_init(void) |
154 | { | |
28a2b450 AL |
155 | orion_uart1_init(DOVE_UART1_VIRT_BASE, DOVE_UART1_PHYS_BASE, |
156 | IRQ_DOVE_UART_1, get_tclk()); | |
edabd38e SB |
157 | } |
158 | ||
159 | /***************************************************************************** | |
160 | * UART2 | |
161 | ****************************************************************************/ | |
edabd38e SB |
162 | void __init dove_uart2_init(void) |
163 | { | |
28a2b450 AL |
164 | orion_uart2_init(DOVE_UART2_VIRT_BASE, DOVE_UART2_PHYS_BASE, |
165 | IRQ_DOVE_UART_2, get_tclk()); | |
edabd38e SB |
166 | } |
167 | ||
168 | /***************************************************************************** | |
169 | * UART3 | |
170 | ****************************************************************************/ | |
edabd38e SB |
171 | void __init dove_uart3_init(void) |
172 | { | |
28a2b450 AL |
173 | orion_uart3_init(DOVE_UART3_VIRT_BASE, DOVE_UART3_PHYS_BASE, |
174 | IRQ_DOVE_UART_3, get_tclk()); | |
edabd38e SB |
175 | } |
176 | ||
177 | /***************************************************************************** | |
980f9f60 | 178 | * SPI |
edabd38e | 179 | ****************************************************************************/ |
edabd38e SB |
180 | void __init dove_spi0_init(void) |
181 | { | |
980f9f60 | 182 | orion_spi_init(DOVE_SPI0_PHYS_BASE, get_tclk()); |
edabd38e SB |
183 | } |
184 | ||
edabd38e SB |
185 | void __init dove_spi1_init(void) |
186 | { | |
980f9f60 | 187 | orion_spi_init(DOVE_SPI1_PHYS_BASE, get_tclk()); |
edabd38e SB |
188 | } |
189 | ||
190 | /***************************************************************************** | |
191 | * I2C | |
192 | ****************************************************************************/ | |
edabd38e SB |
193 | void __init dove_i2c_init(void) |
194 | { | |
aac7ffa3 | 195 | orion_i2c_init(DOVE_I2C_PHYS_BASE, IRQ_DOVE_I2C, 10); |
edabd38e SB |
196 | } |
197 | ||
198 | /***************************************************************************** | |
199 | * Time handling | |
200 | ****************************************************************************/ | |
4ee1f6b5 LB |
201 | void __init dove_init_early(void) |
202 | { | |
203 | orion_time_set_base(TIMER_VIRT_BASE); | |
204 | } | |
205 | ||
edabd38e SB |
206 | static int get_tclk(void) |
207 | { | |
208 | /* use DOVE_RESET_SAMPLE_HI/LO to detect tclk */ | |
209 | return 166666667; | |
210 | } | |
211 | ||
212 | static void dove_timer_init(void) | |
213 | { | |
4ee1f6b5 LB |
214 | orion_time_init(BRIDGE_VIRT_BASE, BRIDGE_INT_TIMER1_CLR, |
215 | IRQ_DOVE_BRIDGE, get_tclk()); | |
edabd38e SB |
216 | } |
217 | ||
218 | struct sys_timer dove_timer = { | |
219 | .init = dove_timer_init, | |
220 | }; | |
221 | ||
edabd38e SB |
222 | /***************************************************************************** |
223 | * XOR 0 | |
224 | ****************************************************************************/ | |
edabd38e SB |
225 | void __init dove_xor0_init(void) |
226 | { | |
ee962723 AL |
227 | orion_xor0_init(&dove_mbus_dram_info, |
228 | DOVE_XOR0_PHYS_BASE, DOVE_XOR0_HIGH_PHYS_BASE, | |
229 | IRQ_DOVE_XOR_00, IRQ_DOVE_XOR_01); | |
edabd38e SB |
230 | } |
231 | ||
232 | /***************************************************************************** | |
233 | * XOR 1 | |
234 | ****************************************************************************/ | |
edabd38e SB |
235 | void __init dove_xor1_init(void) |
236 | { | |
ee962723 AL |
237 | orion_xor1_init(DOVE_XOR1_PHYS_BASE, DOVE_XOR1_HIGH_PHYS_BASE, |
238 | IRQ_DOVE_XOR_10, IRQ_DOVE_XOR_11); | |
edabd38e SB |
239 | } |
240 | ||
16bc90af SB |
241 | /***************************************************************************** |
242 | * SDIO | |
243 | ****************************************************************************/ | |
244 | static u64 sdio_dmamask = DMA_BIT_MASK(32); | |
245 | ||
246 | static struct resource dove_sdio0_resources[] = { | |
247 | { | |
248 | .start = DOVE_SDIO0_PHYS_BASE, | |
249 | .end = DOVE_SDIO0_PHYS_BASE + 0xff, | |
250 | .flags = IORESOURCE_MEM, | |
251 | }, { | |
252 | .start = IRQ_DOVE_SDIO0, | |
253 | .end = IRQ_DOVE_SDIO0, | |
254 | .flags = IORESOURCE_IRQ, | |
255 | }, | |
256 | }; | |
257 | ||
258 | static struct platform_device dove_sdio0 = { | |
930e2fe7 | 259 | .name = "sdhci-dove", |
16bc90af SB |
260 | .id = 0, |
261 | .dev = { | |
262 | .dma_mask = &sdio_dmamask, | |
263 | .coherent_dma_mask = DMA_BIT_MASK(32), | |
264 | }, | |
265 | .resource = dove_sdio0_resources, | |
266 | .num_resources = ARRAY_SIZE(dove_sdio0_resources), | |
267 | }; | |
268 | ||
269 | void __init dove_sdio0_init(void) | |
270 | { | |
271 | platform_device_register(&dove_sdio0); | |
272 | } | |
273 | ||
274 | static struct resource dove_sdio1_resources[] = { | |
275 | { | |
276 | .start = DOVE_SDIO1_PHYS_BASE, | |
277 | .end = DOVE_SDIO1_PHYS_BASE + 0xff, | |
278 | .flags = IORESOURCE_MEM, | |
279 | }, { | |
280 | .start = IRQ_DOVE_SDIO1, | |
281 | .end = IRQ_DOVE_SDIO1, | |
282 | .flags = IORESOURCE_IRQ, | |
283 | }, | |
284 | }; | |
285 | ||
286 | static struct platform_device dove_sdio1 = { | |
930e2fe7 | 287 | .name = "sdhci-dove", |
16bc90af SB |
288 | .id = 1, |
289 | .dev = { | |
290 | .dma_mask = &sdio_dmamask, | |
291 | .coherent_dma_mask = DMA_BIT_MASK(32), | |
292 | }, | |
293 | .resource = dove_sdio1_resources, | |
294 | .num_resources = ARRAY_SIZE(dove_sdio1_resources), | |
295 | }; | |
296 | ||
297 | void __init dove_sdio1_init(void) | |
298 | { | |
299 | platform_device_register(&dove_sdio1); | |
300 | } | |
301 | ||
edabd38e SB |
302 | void __init dove_init(void) |
303 | { | |
304 | int tclk; | |
305 | ||
306 | tclk = get_tclk(); | |
307 | ||
308 | printk(KERN_INFO "Dove 88AP510 SoC, "); | |
309 | printk(KERN_INFO "TCLK = %dMHz\n", (tclk + 499999) / 1000000); | |
310 | ||
573a652f LB |
311 | #ifdef CONFIG_CACHE_TAUROS2 |
312 | tauros2_init(); | |
313 | #endif | |
edabd38e SB |
314 | dove_setup_cpu_mbus(); |
315 | ||
edabd38e SB |
316 | /* internal devices that every board has */ |
317 | dove_rtc_init(); | |
318 | dove_xor0_init(); | |
319 | dove_xor1_init(); | |
320 | } |