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1 | /* |
2 | * arch/arm/mach-loki/common.c |
3 | * |
4 | * Core functions for Marvell Loki (88RC8480) SoCs |
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/init.h> |
13 | #include <linux/platform_device.h> |
14 | #include <linux/serial_8250.h> |
15 | #include <linux/mbus.h> |
16 | #include <linux/mv643xx_eth.h> |
17 | #include <asm/page.h> |
18 | #include <asm/timex.h> |
19 | #include <asm/mach/map.h> |
20 | #include <asm/mach/time.h> |
21 | #include <mach/loki.h> |
22 | #include <plat/orion_nand.h> |
23 | #include <plat/time.h> |
24 | #include "common.h" |
25 | |
26 | /***************************************************************************** |
27 | * I/O Address Mapping |
28 | ****************************************************************************/ |
29 | static struct map_desc loki_io_desc[] __initdata = { |
30 | { |
31 | .virtual = LOKI_REGS_VIRT_BASE, |
32 | .pfn = __phys_to_pfn(LOKI_REGS_PHYS_BASE), |
33 | .length = LOKI_REGS_SIZE, |
34 | .type = MT_DEVICE, |
35 | }, |
36 | }; |
37 | |
38 | void __init loki_map_io(void) |
39 | { |
40 | iotable_init(loki_io_desc, ARRAY_SIZE(loki_io_desc)); |
41 | } |
42 | |
43 | |
44 | /***************************************************************************** |
45 | * GE0 |
46 | ****************************************************************************/ |
47 | struct mv643xx_eth_shared_platform_data loki_ge0_shared_data = { |
48 | .t_clk = LOKI_TCLK, |
49 | .dram = &loki_mbus_dram_info, |
50 | }; |
51 | |
52 | static struct resource loki_ge0_shared_resources[] = { |
53 | { |
54 | .name = "ge0 base", |
55 | .start = GE0_PHYS_BASE + 0x2000, |
56 | .end = GE0_PHYS_BASE + 0x3fff, |
57 | .flags = IORESOURCE_MEM, |
58 | }, |
59 | }; |
60 | |
61 | static struct platform_device loki_ge0_shared = { |
62 | .name = MV643XX_ETH_SHARED_NAME, |
63 | .id = 0, |
64 | .dev = { |
65 | .platform_data = &loki_ge0_shared_data, |
66 | }, |
67 | .num_resources = 1, |
68 | .resource = loki_ge0_shared_resources, |
69 | }; |
70 | |
71 | static struct resource loki_ge0_resources[] = { |
72 | { |
73 | .name = "ge0 irq", |
74 | .start = IRQ_LOKI_GBE_A_INT, |
75 | .end = IRQ_LOKI_GBE_A_INT, |
76 | .flags = IORESOURCE_IRQ, |
77 | }, |
78 | }; |
79 | |
80 | static struct platform_device loki_ge0 = { |
81 | .name = MV643XX_ETH_NAME, |
82 | .id = 0, |
83 | .num_resources = 1, |
84 | .resource = loki_ge0_resources, |
85 | .dev = { |
86 | .coherent_dma_mask = 0xffffffff, |
87 | }, |
88 | }; |
89 | |
90 | void __init loki_ge0_init(struct mv643xx_eth_platform_data *eth_data) |
91 | { |
92 | eth_data->shared = &loki_ge0_shared; |
93 | loki_ge0.dev.platform_data = eth_data; |
94 | |
95 | writel(0x00079220, GE0_VIRT_BASE + 0x20b0); |
96 | platform_device_register(&loki_ge0_shared); |
97 | platform_device_register(&loki_ge0); |
98 | } |
99 | |
100 | |
101 | /***************************************************************************** |
102 | * GE1 |
103 | ****************************************************************************/ |
104 | struct mv643xx_eth_shared_platform_data loki_ge1_shared_data = { |
105 | .t_clk = LOKI_TCLK, |
106 | .dram = &loki_mbus_dram_info, |
107 | }; |
108 | |
109 | static struct resource loki_ge1_shared_resources[] = { |
110 | { |
111 | .name = "ge1 base", |
112 | .start = GE1_PHYS_BASE + 0x2000, |
113 | .end = GE1_PHYS_BASE + 0x3fff, |
114 | .flags = IORESOURCE_MEM, |
115 | }, |
116 | }; |
117 | |
118 | static struct platform_device loki_ge1_shared = { |
119 | .name = MV643XX_ETH_SHARED_NAME, |
120 | .id = 1, |
121 | .dev = { |
122 | .platform_data = &loki_ge1_shared_data, |
123 | }, |
124 | .num_resources = 1, |
125 | .resource = loki_ge1_shared_resources, |
126 | }; |
127 | |
128 | static struct resource loki_ge1_resources[] = { |
129 | { |
130 | .name = "ge1 irq", |
131 | .start = IRQ_LOKI_GBE_B_INT, |
132 | .end = IRQ_LOKI_GBE_B_INT, |
133 | .flags = IORESOURCE_IRQ, |
134 | }, |
135 | }; |
136 | |
137 | static struct platform_device loki_ge1 = { |
138 | .name = MV643XX_ETH_NAME, |
139 | .id = 1, |
140 | .num_resources = 1, |
141 | .resource = loki_ge1_resources, |
142 | .dev = { |
143 | .coherent_dma_mask = 0xffffffff, |
144 | }, |
145 | }; |
146 | |
147 | void __init loki_ge1_init(struct mv643xx_eth_platform_data *eth_data) |
148 | { |
149 | eth_data->shared = &loki_ge1_shared; |
150 | loki_ge1.dev.platform_data = eth_data; |
151 | |
152 | writel(0x00079220, GE1_VIRT_BASE + 0x20b0); |
153 | platform_device_register(&loki_ge1_shared); |
154 | platform_device_register(&loki_ge1); |
155 | } |
156 | |
157 | |
158 | /***************************************************************************** |
159 | * SAS/SATA |
160 | ****************************************************************************/ |
161 | static struct resource loki_sas_resources[] = { |
162 | { |
163 | .name = "mvsas0 mem", |
164 | .start = SAS0_PHYS_BASE, |
165 | .end = SAS0_PHYS_BASE + 0x01ff, |
166 | .flags = IORESOURCE_MEM, |
167 | }, { |
168 | .name = "mvsas0 irq", |
169 | .start = IRQ_LOKI_SAS_A, |
170 | .end = IRQ_LOKI_SAS_A, |
171 | .flags = IORESOURCE_IRQ, |
172 | }, { |
173 | .name = "mvsas1 mem", |
174 | .start = SAS1_PHYS_BASE, |
175 | .end = SAS1_PHYS_BASE + 0x01ff, |
176 | .flags = IORESOURCE_MEM, |
177 | }, { |
178 | .name = "mvsas1 irq", |
179 | .start = IRQ_LOKI_SAS_B, |
180 | .end = IRQ_LOKI_SAS_B, |
181 | .flags = IORESOURCE_IRQ, |
182 | }, |
183 | }; |
184 | |
185 | static struct platform_device loki_sas = { |
186 | .name = "mvsas", |
187 | .id = 0, |
188 | .dev = { |
189 | .coherent_dma_mask = 0xffffffff, |
190 | }, |
191 | .num_resources = ARRAY_SIZE(loki_sas_resources), |
192 | .resource = loki_sas_resources, |
193 | }; |
194 | |
195 | void __init loki_sas_init(void) |
196 | { |
197 | writel(0x8300f707, DDR_REG(0x1424)); |
198 | platform_device_register(&loki_sas); |
199 | } |
200 | |
201 | |
202 | /***************************************************************************** |
203 | * UART0 |
204 | ****************************************************************************/ |
205 | static struct plat_serial8250_port loki_uart0_data[] = { |
206 | { |
207 | .mapbase = UART0_PHYS_BASE, |
208 | .membase = (char *)UART0_VIRT_BASE, |
209 | .irq = IRQ_LOKI_UART0, |
210 | .flags = UPF_SKIP_TEST | UPF_BOOT_AUTOCONF, |
211 | .iotype = UPIO_MEM, |
212 | .regshift = 2, |
213 | .uartclk = LOKI_TCLK, |
214 | }, { |
215 | }, |
216 | }; |
217 | |
218 | static struct resource loki_uart0_resources[] = { |
219 | { |
220 | .start = UART0_PHYS_BASE, |
221 | .end = UART0_PHYS_BASE + 0xff, |
222 | .flags = IORESOURCE_MEM, |
223 | }, { |
224 | .start = IRQ_LOKI_UART0, |
225 | .end = IRQ_LOKI_UART0, |
226 | .flags = IORESOURCE_IRQ, |
227 | }, |
228 | }; |
229 | |
230 | static struct platform_device loki_uart0 = { |
231 | .name = "serial8250", |
232 | .id = 0, |
233 | .dev = { |
234 | .platform_data = loki_uart0_data, |
235 | }, |
236 | .resource = loki_uart0_resources, |
237 | .num_resources = ARRAY_SIZE(loki_uart0_resources), |
238 | }; |
239 | |
240 | void __init loki_uart0_init(void) |
241 | { |
242 | platform_device_register(&loki_uart0); |
243 | } |
244 | |
245 | |
246 | /***************************************************************************** |
247 | * UART1 |
248 | ****************************************************************************/ |
249 | static struct plat_serial8250_port loki_uart1_data[] = { |
250 | { |
251 | .mapbase = UART1_PHYS_BASE, |
252 | .membase = (char *)UART1_VIRT_BASE, |
253 | .irq = IRQ_LOKI_UART1, |
254 | .flags = UPF_SKIP_TEST | UPF_BOOT_AUTOCONF, |
255 | .iotype = UPIO_MEM, |
256 | .regshift = 2, |
257 | .uartclk = LOKI_TCLK, |
258 | }, { |
259 | }, |
260 | }; |
261 | |
262 | static struct resource loki_uart1_resources[] = { |
263 | { |
264 | .start = UART1_PHYS_BASE, |
265 | .end = UART1_PHYS_BASE + 0xff, |
266 | .flags = IORESOURCE_MEM, |
267 | }, { |
268 | .start = IRQ_LOKI_UART1, |
269 | .end = IRQ_LOKI_UART1, |
270 | .flags = IORESOURCE_IRQ, |
271 | }, |
272 | }; |
273 | |
274 | static struct platform_device loki_uart1 = { |
275 | .name = "serial8250", |
276 | .id = 1, |
277 | .dev = { |
278 | .platform_data = loki_uart1_data, |
279 | }, |
280 | .resource = loki_uart1_resources, |
281 | .num_resources = ARRAY_SIZE(loki_uart1_resources), |
282 | }; |
283 | |
284 | void __init loki_uart1_init(void) |
285 | { |
286 | platform_device_register(&loki_uart1); |
287 | } |
288 | |
289 | |
290 | /***************************************************************************** |
291 | * Time handling |
292 | ****************************************************************************/ |
293 | static void loki_timer_init(void) |
294 | { |
295 | orion_time_init(IRQ_LOKI_BRIDGE, LOKI_TCLK); |
296 | } |
297 | |
298 | struct sys_timer loki_timer = { |
299 | .init = loki_timer_init, |
300 | }; |
301 | |
302 | |
303 | /***************************************************************************** |
304 | * General |
305 | ****************************************************************************/ |
306 | void __init loki_init(void) |
307 | { |
308 | printk(KERN_INFO "Loki ID: 88RC8480. TCLK=%d.\n", LOKI_TCLK); |
309 | |
310 | loki_setup_cpu_mbus(); |
311 | } |
312 |
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