Commit | Line | Data |
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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> | |
edabd38e SB |
16 | #include <linux/clk.h> |
17 | #include <linux/mbus.h> | |
edabd38e | 18 | #include <linux/ata_platform.h> |
edabd38e SB |
19 | #include <linux/gpio.h> |
20 | #include <asm/page.h> | |
21 | #include <asm/setup.h> | |
22 | #include <asm/timex.h> | |
573a652f | 23 | #include <asm/hardware/cache-tauros2.h> |
edabd38e SB |
24 | #include <asm/mach/map.h> |
25 | #include <asm/mach/time.h> | |
26 | #include <asm/mach/pci.h> | |
27 | #include <mach/dove.h> | |
28 | #include <mach/bridge-regs.h> | |
29 | #include <asm/mach/arch.h> | |
30 | #include <linux/irq.h> | |
edabd38e | 31 | #include <plat/time.h> |
28a2b450 | 32 | #include <plat/common.h> |
edabd38e SB |
33 | #include "common.h" |
34 | ||
28a2b450 AL |
35 | static int get_tclk(void); |
36 | ||
edabd38e SB |
37 | /***************************************************************************** |
38 | * I/O Address Mapping | |
39 | ****************************************************************************/ | |
40 | static struct map_desc dove_io_desc[] __initdata = { | |
41 | { | |
42 | .virtual = DOVE_SB_REGS_VIRT_BASE, | |
43 | .pfn = __phys_to_pfn(DOVE_SB_REGS_PHYS_BASE), | |
44 | .length = DOVE_SB_REGS_SIZE, | |
45 | .type = MT_DEVICE, | |
46 | }, { | |
47 | .virtual = DOVE_NB_REGS_VIRT_BASE, | |
48 | .pfn = __phys_to_pfn(DOVE_NB_REGS_PHYS_BASE), | |
49 | .length = DOVE_NB_REGS_SIZE, | |
50 | .type = MT_DEVICE, | |
51 | }, { | |
52 | .virtual = DOVE_PCIE0_IO_VIRT_BASE, | |
53 | .pfn = __phys_to_pfn(DOVE_PCIE0_IO_PHYS_BASE), | |
54 | .length = DOVE_PCIE0_IO_SIZE, | |
55 | .type = MT_DEVICE, | |
56 | }, { | |
57 | .virtual = DOVE_PCIE1_IO_VIRT_BASE, | |
58 | .pfn = __phys_to_pfn(DOVE_PCIE1_IO_PHYS_BASE), | |
59 | .length = DOVE_PCIE1_IO_SIZE, | |
60 | .type = MT_DEVICE, | |
61 | }, | |
62 | }; | |
63 | ||
64 | void __init dove_map_io(void) | |
65 | { | |
66 | iotable_init(dove_io_desc, ARRAY_SIZE(dove_io_desc)); | |
67 | } | |
68 | ||
edabd38e SB |
69 | /***************************************************************************** |
70 | * EHCI0 | |
71 | ****************************************************************************/ | |
edabd38e SB |
72 | void __init dove_ehci0_init(void) |
73 | { | |
4fcd3f37 AL |
74 | orion_ehci_init(&dove_mbus_dram_info, |
75 | DOVE_USB0_PHYS_BASE, IRQ_DOVE_USB0); | |
edabd38e SB |
76 | } |
77 | ||
78 | /***************************************************************************** | |
79 | * EHCI1 | |
80 | ****************************************************************************/ | |
edabd38e SB |
81 | void __init dove_ehci1_init(void) |
82 | { | |
4fcd3f37 AL |
83 | orion_ehci_1_init(&dove_mbus_dram_info, |
84 | DOVE_USB1_PHYS_BASE, IRQ_DOVE_USB1); | |
edabd38e SB |
85 | } |
86 | ||
87 | /***************************************************************************** | |
88 | * GE00 | |
89 | ****************************************************************************/ | |
edabd38e SB |
90 | void __init dove_ge00_init(struct mv643xx_eth_platform_data *eth_data) |
91 | { | |
7e3819d8 AL |
92 | orion_ge00_init(eth_data, &dove_mbus_dram_info, |
93 | DOVE_GE00_PHYS_BASE, IRQ_DOVE_GE00_SUM, | |
94 | 0, get_tclk()); | |
edabd38e SB |
95 | } |
96 | ||
97 | /***************************************************************************** | |
98 | * SoC RTC | |
99 | ****************************************************************************/ | |
edabd38e SB |
100 | void __init dove_rtc_init(void) |
101 | { | |
f6eaccb3 | 102 | orion_rtc_init(DOVE_RTC_PHYS_BASE, IRQ_DOVE_RTC); |
edabd38e SB |
103 | } |
104 | ||
105 | /***************************************************************************** | |
106 | * SATA | |
107 | ****************************************************************************/ | |
edabd38e SB |
108 | void __init dove_sata_init(struct mv_sata_platform_data *sata_data) |
109 | { | |
9e613f8a AL |
110 | orion_sata_init(sata_data, &dove_mbus_dram_info, |
111 | DOVE_SATA_PHYS_BASE, IRQ_DOVE_SATA); | |
112 | ||
edabd38e SB |
113 | } |
114 | ||
115 | /***************************************************************************** | |
116 | * UART0 | |
117 | ****************************************************************************/ | |
edabd38e SB |
118 | void __init dove_uart0_init(void) |
119 | { | |
28a2b450 AL |
120 | orion_uart0_init(DOVE_UART0_VIRT_BASE, DOVE_UART0_PHYS_BASE, |
121 | IRQ_DOVE_UART_0, get_tclk()); | |
edabd38e SB |
122 | } |
123 | ||
124 | /***************************************************************************** | |
125 | * UART1 | |
126 | ****************************************************************************/ | |
edabd38e SB |
127 | void __init dove_uart1_init(void) |
128 | { | |
28a2b450 AL |
129 | orion_uart1_init(DOVE_UART1_VIRT_BASE, DOVE_UART1_PHYS_BASE, |
130 | IRQ_DOVE_UART_1, get_tclk()); | |
edabd38e SB |
131 | } |
132 | ||
133 | /***************************************************************************** | |
134 | * UART2 | |
135 | ****************************************************************************/ | |
edabd38e SB |
136 | void __init dove_uart2_init(void) |
137 | { | |
28a2b450 AL |
138 | orion_uart2_init(DOVE_UART2_VIRT_BASE, DOVE_UART2_PHYS_BASE, |
139 | IRQ_DOVE_UART_2, get_tclk()); | |
edabd38e SB |
140 | } |
141 | ||
142 | /***************************************************************************** | |
143 | * UART3 | |
144 | ****************************************************************************/ | |
edabd38e SB |
145 | void __init dove_uart3_init(void) |
146 | { | |
28a2b450 AL |
147 | orion_uart3_init(DOVE_UART3_VIRT_BASE, DOVE_UART3_PHYS_BASE, |
148 | IRQ_DOVE_UART_3, get_tclk()); | |
edabd38e SB |
149 | } |
150 | ||
151 | /***************************************************************************** | |
980f9f60 | 152 | * SPI |
edabd38e | 153 | ****************************************************************************/ |
edabd38e SB |
154 | void __init dove_spi0_init(void) |
155 | { | |
980f9f60 | 156 | orion_spi_init(DOVE_SPI0_PHYS_BASE, get_tclk()); |
edabd38e SB |
157 | } |
158 | ||
edabd38e SB |
159 | void __init dove_spi1_init(void) |
160 | { | |
72cc2056 | 161 | orion_spi_1_init(DOVE_SPI1_PHYS_BASE, get_tclk()); |
edabd38e SB |
162 | } |
163 | ||
164 | /***************************************************************************** | |
165 | * I2C | |
166 | ****************************************************************************/ | |
edabd38e SB |
167 | void __init dove_i2c_init(void) |
168 | { | |
aac7ffa3 | 169 | orion_i2c_init(DOVE_I2C_PHYS_BASE, IRQ_DOVE_I2C, 10); |
edabd38e SB |
170 | } |
171 | ||
172 | /***************************************************************************** | |
173 | * Time handling | |
174 | ****************************************************************************/ | |
4ee1f6b5 LB |
175 | void __init dove_init_early(void) |
176 | { | |
177 | orion_time_set_base(TIMER_VIRT_BASE); | |
178 | } | |
179 | ||
edabd38e SB |
180 | static int get_tclk(void) |
181 | { | |
182 | /* use DOVE_RESET_SAMPLE_HI/LO to detect tclk */ | |
183 | return 166666667; | |
184 | } | |
185 | ||
186 | static void dove_timer_init(void) | |
187 | { | |
4ee1f6b5 LB |
188 | orion_time_init(BRIDGE_VIRT_BASE, BRIDGE_INT_TIMER1_CLR, |
189 | IRQ_DOVE_BRIDGE, get_tclk()); | |
edabd38e SB |
190 | } |
191 | ||
192 | struct sys_timer dove_timer = { | |
193 | .init = dove_timer_init, | |
194 | }; | |
195 | ||
edabd38e SB |
196 | /***************************************************************************** |
197 | * XOR 0 | |
198 | ****************************************************************************/ | |
edabd38e SB |
199 | void __init dove_xor0_init(void) |
200 | { | |
ee962723 AL |
201 | orion_xor0_init(&dove_mbus_dram_info, |
202 | DOVE_XOR0_PHYS_BASE, DOVE_XOR0_HIGH_PHYS_BASE, | |
203 | IRQ_DOVE_XOR_00, IRQ_DOVE_XOR_01); | |
edabd38e SB |
204 | } |
205 | ||
206 | /***************************************************************************** | |
207 | * XOR 1 | |
208 | ****************************************************************************/ | |
edabd38e SB |
209 | void __init dove_xor1_init(void) |
210 | { | |
ee962723 AL |
211 | orion_xor1_init(DOVE_XOR1_PHYS_BASE, DOVE_XOR1_HIGH_PHYS_BASE, |
212 | IRQ_DOVE_XOR_10, IRQ_DOVE_XOR_11); | |
edabd38e SB |
213 | } |
214 | ||
16bc90af SB |
215 | /***************************************************************************** |
216 | * SDIO | |
217 | ****************************************************************************/ | |
218 | static u64 sdio_dmamask = DMA_BIT_MASK(32); | |
219 | ||
220 | static struct resource dove_sdio0_resources[] = { | |
221 | { | |
222 | .start = DOVE_SDIO0_PHYS_BASE, | |
223 | .end = DOVE_SDIO0_PHYS_BASE + 0xff, | |
224 | .flags = IORESOURCE_MEM, | |
225 | }, { | |
226 | .start = IRQ_DOVE_SDIO0, | |
227 | .end = IRQ_DOVE_SDIO0, | |
228 | .flags = IORESOURCE_IRQ, | |
229 | }, | |
230 | }; | |
231 | ||
232 | static struct platform_device dove_sdio0 = { | |
930e2fe7 | 233 | .name = "sdhci-dove", |
16bc90af SB |
234 | .id = 0, |
235 | .dev = { | |
236 | .dma_mask = &sdio_dmamask, | |
237 | .coherent_dma_mask = DMA_BIT_MASK(32), | |
238 | }, | |
239 | .resource = dove_sdio0_resources, | |
240 | .num_resources = ARRAY_SIZE(dove_sdio0_resources), | |
241 | }; | |
242 | ||
243 | void __init dove_sdio0_init(void) | |
244 | { | |
245 | platform_device_register(&dove_sdio0); | |
246 | } | |
247 | ||
248 | static struct resource dove_sdio1_resources[] = { | |
249 | { | |
250 | .start = DOVE_SDIO1_PHYS_BASE, | |
251 | .end = DOVE_SDIO1_PHYS_BASE + 0xff, | |
252 | .flags = IORESOURCE_MEM, | |
253 | }, { | |
254 | .start = IRQ_DOVE_SDIO1, | |
255 | .end = IRQ_DOVE_SDIO1, | |
256 | .flags = IORESOURCE_IRQ, | |
257 | }, | |
258 | }; | |
259 | ||
260 | static struct platform_device dove_sdio1 = { | |
930e2fe7 | 261 | .name = "sdhci-dove", |
16bc90af SB |
262 | .id = 1, |
263 | .dev = { | |
264 | .dma_mask = &sdio_dmamask, | |
265 | .coherent_dma_mask = DMA_BIT_MASK(32), | |
266 | }, | |
267 | .resource = dove_sdio1_resources, | |
268 | .num_resources = ARRAY_SIZE(dove_sdio1_resources), | |
269 | }; | |
270 | ||
271 | void __init dove_sdio1_init(void) | |
272 | { | |
273 | platform_device_register(&dove_sdio1); | |
274 | } | |
275 | ||
edabd38e SB |
276 | void __init dove_init(void) |
277 | { | |
278 | int tclk; | |
279 | ||
280 | tclk = get_tclk(); | |
281 | ||
282 | printk(KERN_INFO "Dove 88AP510 SoC, "); | |
283 | printk(KERN_INFO "TCLK = %dMHz\n", (tclk + 499999) / 1000000); | |
284 | ||
573a652f LB |
285 | #ifdef CONFIG_CACHE_TAUROS2 |
286 | tauros2_init(); | |
287 | #endif | |
edabd38e SB |
288 | dove_setup_cpu_mbus(); |
289 | ||
edabd38e SB |
290 | /* internal devices that every board has */ |
291 | dove_rtc_init(); | |
292 | dove_xor0_init(); | |
293 | dove_xor1_init(); | |
294 | } |