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Lennert Buytenhek777f9be2008-06-22 22:45:02 +02001/*
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>
Russell Kinga09e64f2008-08-05 16:14:15 +010021#include <mach/loki.h>
Lennert Buytenhek6f088f12008-08-09 13:44:58 +020022#include <plat/orion_nand.h>
23#include <plat/time.h>
Lennert Buytenhek777f9be2008-06-22 22:45:02 +020024#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,
Nicolas Pitrea49a0182009-05-22 16:53:40 -040085 .dev = {
86 .coherent_dma_mask = 0xffffffff,
87 },
Lennert Buytenhek777f9be2008-06-22 22:45:02 +020088};
89
90void __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 ****************************************************************************/
104struct mv643xx_eth_shared_platform_data loki_ge1_shared_data = {
105 .t_clk = LOKI_TCLK,
106 .dram = &loki_mbus_dram_info,
107};
108
109static 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
118static 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
128static 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
137static struct platform_device loki_ge1 = {
138 .name = MV643XX_ETH_NAME,
139 .id = 1,
140 .num_resources = 1,
141 .resource = loki_ge1_resources,
Nicolas Pitrea49a0182009-05-22 16:53:40 -0400142 .dev = {
143 .coherent_dma_mask = 0xffffffff,
144 },
Lennert Buytenhek777f9be2008-06-22 22:45:02 +0200145};
146
147void __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 ****************************************************************************/
161static 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
185static 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
195void __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 ****************************************************************************/
205static 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
218static 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
230static 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
240void __init loki_uart0_init(void)
241{
242 platform_device_register(&loki_uart0);
243}
244
245
246/*****************************************************************************
247 * UART1
248 ****************************************************************************/
249static 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
262static 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
274static 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
284void __init loki_uart1_init(void)
285{
286 platform_device_register(&loki_uart1);
287}
288
289
290/*****************************************************************************
291 * Time handling
292 ****************************************************************************/
293static void loki_timer_init(void)
294{
295 orion_time_init(IRQ_LOKI_BRIDGE, LOKI_TCLK);
296}
297
298struct sys_timer loki_timer = {
299 .init = loki_timer_init,
300};
301
302
303/*****************************************************************************
304 * General
305 ****************************************************************************/
306void __init loki_init(void)
307{
308 printk(KERN_INFO "Loki ID: 88RC8480. TCLK=%d.\n", LOKI_TCLK);
309
310 loki_setup_cpu_mbus();
311}