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777f9beb LB |
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> | |
a09e64fb | 21 | #include <mach/loki.h> |
6f088f1d LB |
22 | #include <plat/orion_nand.h> |
23 | #include <plat/time.h> | |
777f9beb LB |
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 | }; | |
86 | ||
87 | void __init loki_ge0_init(struct mv643xx_eth_platform_data *eth_data) | |
88 | { | |
89 | eth_data->shared = &loki_ge0_shared; | |
90 | loki_ge0.dev.platform_data = eth_data; | |
91 | ||
92 | writel(0x00079220, GE0_VIRT_BASE + 0x20b0); | |
93 | platform_device_register(&loki_ge0_shared); | |
94 | platform_device_register(&loki_ge0); | |
95 | } | |
96 | ||
97 | ||
98 | /***************************************************************************** | |
99 | * GE1 | |
100 | ****************************************************************************/ | |
101 | struct mv643xx_eth_shared_platform_data loki_ge1_shared_data = { | |
102 | .t_clk = LOKI_TCLK, | |
103 | .dram = &loki_mbus_dram_info, | |
104 | }; | |
105 | ||
106 | static struct resource loki_ge1_shared_resources[] = { | |
107 | { | |
108 | .name = "ge1 base", | |
109 | .start = GE1_PHYS_BASE + 0x2000, | |
110 | .end = GE1_PHYS_BASE + 0x3fff, | |
111 | .flags = IORESOURCE_MEM, | |
112 | }, | |
113 | }; | |
114 | ||
115 | static struct platform_device loki_ge1_shared = { | |
116 | .name = MV643XX_ETH_SHARED_NAME, | |
117 | .id = 1, | |
118 | .dev = { | |
119 | .platform_data = &loki_ge1_shared_data, | |
120 | }, | |
121 | .num_resources = 1, | |
122 | .resource = loki_ge1_shared_resources, | |
123 | }; | |
124 | ||
125 | static struct resource loki_ge1_resources[] = { | |
126 | { | |
127 | .name = "ge1 irq", | |
128 | .start = IRQ_LOKI_GBE_B_INT, | |
129 | .end = IRQ_LOKI_GBE_B_INT, | |
130 | .flags = IORESOURCE_IRQ, | |
131 | }, | |
132 | }; | |
133 | ||
134 | static struct platform_device loki_ge1 = { | |
135 | .name = MV643XX_ETH_NAME, | |
136 | .id = 1, | |
137 | .num_resources = 1, | |
138 | .resource = loki_ge1_resources, | |
139 | }; | |
140 | ||
141 | void __init loki_ge1_init(struct mv643xx_eth_platform_data *eth_data) | |
142 | { | |
143 | eth_data->shared = &loki_ge1_shared; | |
144 | loki_ge1.dev.platform_data = eth_data; | |
145 | ||
146 | writel(0x00079220, GE1_VIRT_BASE + 0x20b0); | |
147 | platform_device_register(&loki_ge1_shared); | |
148 | platform_device_register(&loki_ge1); | |
149 | } | |
150 | ||
151 | ||
152 | /***************************************************************************** | |
153 | * SAS/SATA | |
154 | ****************************************************************************/ | |
155 | static struct resource loki_sas_resources[] = { | |
156 | { | |
157 | .name = "mvsas0 mem", | |
158 | .start = SAS0_PHYS_BASE, | |
159 | .end = SAS0_PHYS_BASE + 0x01ff, | |
160 | .flags = IORESOURCE_MEM, | |
161 | }, { | |
162 | .name = "mvsas0 irq", | |
163 | .start = IRQ_LOKI_SAS_A, | |
164 | .end = IRQ_LOKI_SAS_A, | |
165 | .flags = IORESOURCE_IRQ, | |
166 | }, { | |
167 | .name = "mvsas1 mem", | |
168 | .start = SAS1_PHYS_BASE, | |
169 | .end = SAS1_PHYS_BASE + 0x01ff, | |
170 | .flags = IORESOURCE_MEM, | |
171 | }, { | |
172 | .name = "mvsas1 irq", | |
173 | .start = IRQ_LOKI_SAS_B, | |
174 | .end = IRQ_LOKI_SAS_B, | |
175 | .flags = IORESOURCE_IRQ, | |
176 | }, | |
177 | }; | |
178 | ||
179 | static struct platform_device loki_sas = { | |
180 | .name = "mvsas", | |
181 | .id = 0, | |
182 | .dev = { | |
183 | .coherent_dma_mask = 0xffffffff, | |
184 | }, | |
185 | .num_resources = ARRAY_SIZE(loki_sas_resources), | |
186 | .resource = loki_sas_resources, | |
187 | }; | |
188 | ||
189 | void __init loki_sas_init(void) | |
190 | { | |
191 | writel(0x8300f707, DDR_REG(0x1424)); | |
192 | platform_device_register(&loki_sas); | |
193 | } | |
194 | ||
195 | ||
196 | /***************************************************************************** | |
197 | * UART0 | |
198 | ****************************************************************************/ | |
199 | static struct plat_serial8250_port loki_uart0_data[] = { | |
200 | { | |
201 | .mapbase = UART0_PHYS_BASE, | |
202 | .membase = (char *)UART0_VIRT_BASE, | |
203 | .irq = IRQ_LOKI_UART0, | |
204 | .flags = UPF_SKIP_TEST | UPF_BOOT_AUTOCONF, | |
205 | .iotype = UPIO_MEM, | |
206 | .regshift = 2, | |
207 | .uartclk = LOKI_TCLK, | |
208 | }, { | |
209 | }, | |
210 | }; | |
211 | ||
212 | static struct resource loki_uart0_resources[] = { | |
213 | { | |
214 | .start = UART0_PHYS_BASE, | |
215 | .end = UART0_PHYS_BASE + 0xff, | |
216 | .flags = IORESOURCE_MEM, | |
217 | }, { | |
218 | .start = IRQ_LOKI_UART0, | |
219 | .end = IRQ_LOKI_UART0, | |
220 | .flags = IORESOURCE_IRQ, | |
221 | }, | |
222 | }; | |
223 | ||
224 | static struct platform_device loki_uart0 = { | |
225 | .name = "serial8250", | |
226 | .id = 0, | |
227 | .dev = { | |
228 | .platform_data = loki_uart0_data, | |
229 | }, | |
230 | .resource = loki_uart0_resources, | |
231 | .num_resources = ARRAY_SIZE(loki_uart0_resources), | |
232 | }; | |
233 | ||
234 | void __init loki_uart0_init(void) | |
235 | { | |
236 | platform_device_register(&loki_uart0); | |
237 | } | |
238 | ||
239 | ||
240 | /***************************************************************************** | |
241 | * UART1 | |
242 | ****************************************************************************/ | |
243 | static struct plat_serial8250_port loki_uart1_data[] = { | |
244 | { | |
245 | .mapbase = UART1_PHYS_BASE, | |
246 | .membase = (char *)UART1_VIRT_BASE, | |
247 | .irq = IRQ_LOKI_UART1, | |
248 | .flags = UPF_SKIP_TEST | UPF_BOOT_AUTOCONF, | |
249 | .iotype = UPIO_MEM, | |
250 | .regshift = 2, | |
251 | .uartclk = LOKI_TCLK, | |
252 | }, { | |
253 | }, | |
254 | }; | |
255 | ||
256 | static struct resource loki_uart1_resources[] = { | |
257 | { | |
258 | .start = UART1_PHYS_BASE, | |
259 | .end = UART1_PHYS_BASE + 0xff, | |
260 | .flags = IORESOURCE_MEM, | |
261 | }, { | |
262 | .start = IRQ_LOKI_UART1, | |
263 | .end = IRQ_LOKI_UART1, | |
264 | .flags = IORESOURCE_IRQ, | |
265 | }, | |
266 | }; | |
267 | ||
268 | static struct platform_device loki_uart1 = { | |
269 | .name = "serial8250", | |
270 | .id = 1, | |
271 | .dev = { | |
272 | .platform_data = loki_uart1_data, | |
273 | }, | |
274 | .resource = loki_uart1_resources, | |
275 | .num_resources = ARRAY_SIZE(loki_uart1_resources), | |
276 | }; | |
277 | ||
278 | void __init loki_uart1_init(void) | |
279 | { | |
280 | platform_device_register(&loki_uart1); | |
281 | } | |
282 | ||
283 | ||
284 | /***************************************************************************** | |
285 | * Time handling | |
286 | ****************************************************************************/ | |
287 | static void loki_timer_init(void) | |
288 | { | |
289 | orion_time_init(IRQ_LOKI_BRIDGE, LOKI_TCLK); | |
290 | } | |
291 | ||
292 | struct sys_timer loki_timer = { | |
293 | .init = loki_timer_init, | |
294 | }; | |
295 | ||
296 | ||
297 | /***************************************************************************** | |
298 | * General | |
299 | ****************************************************************************/ | |
300 | void __init loki_init(void) | |
301 | { | |
302 | printk(KERN_INFO "Loki ID: 88RC8480. TCLK=%d.\n", LOKI_TCLK); | |
303 | ||
304 | loki_setup_cpu_mbus(); | |
305 | } |