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-rw-r--r--arch/arm/mach-loki/common.c305
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diff --git a/arch/arm/mach-loki/common.c b/arch/arm/mach-loki/common.c
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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 <asm/arch/loki.h>
22#include <asm/plat-orion/orion_nand.h>
23#include <asm/plat-orion/time.h>
24#include "common.h"
25
26/*****************************************************************************
27 * I/O Address Mapping
28 ****************************************************************************/
29static 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
38void __init loki_map_io(void)
39{
40 iotable_init(loki_io_desc, ARRAY_SIZE(loki_io_desc));
41}
42
43
44/*****************************************************************************
45 * GE0
46 ****************************************************************************/
47struct mv643xx_eth_shared_platform_data loki_ge0_shared_data = {
48 .t_clk = LOKI_TCLK,
49 .dram = &loki_mbus_dram_info,
50};
51
52static 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
61static 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
71static 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
80static struct platform_device loki_ge0 = {
81 .name = MV643XX_ETH_NAME,
82 .id = 0,
83 .num_resources = 1,
84 .resource = loki_ge0_resources,
85};
86
87void __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 ****************************************************************************/
101struct mv643xx_eth_shared_platform_data loki_ge1_shared_data = {
102 .t_clk = LOKI_TCLK,
103 .dram = &loki_mbus_dram_info,
104};
105
106static 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
115static 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
125static 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
134static struct platform_device loki_ge1 = {
135 .name = MV643XX_ETH_NAME,
136 .id = 1,
137 .num_resources = 1,
138 .resource = loki_ge1_resources,
139};
140
141void __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 ****************************************************************************/
155static 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
179static 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
189void __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 ****************************************************************************/
199static 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
212static 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
224static 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
234void __init loki_uart0_init(void)
235{
236 platform_device_register(&loki_uart0);
237}
238
239
240/*****************************************************************************
241 * UART1
242 ****************************************************************************/
243static 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
256static 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
268static 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
278void __init loki_uart1_init(void)
279{
280 platform_device_register(&loki_uart1);
281}
282
283
284/*****************************************************************************
285 * Time handling
286 ****************************************************************************/
287static void loki_timer_init(void)
288{
289 orion_time_init(IRQ_LOKI_BRIDGE, LOKI_TCLK);
290}
291
292struct sys_timer loki_timer = {
293 .init = loki_timer_init,
294};
295
296
297/*****************************************************************************
298 * General
299 ****************************************************************************/
300void __init loki_init(void)
301{
302 printk(KERN_INFO "Loki ID: 88RC8480. TCLK=%d.\n", LOKI_TCLK);
303
304 loki_setup_cpu_mbus();
305}