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authorRussell King <rmk@dyn-67.arm.linux.org.uk>2008-01-28 08:21:30 -0500
committerRussell King <rmk+kernel@arm.linux.org.uk>2008-01-28 08:21:30 -0500
commitc00d4ffdbace1bdc9fdd888e4ba6d207ffa3b679 (patch)
tree2c9ddd5ae9cd899758b0785d4c7eb4bc200d66df /arch/arm/mach-orion/common.c
parentd0d42df2a440003d96c8bf29991c2afb691ef720 (diff)
parent8f86dda3ed8f05748f2351ae967926227a91ca2a (diff)
Merge branch 'orion' into devel
* orion: (26 commits) [ARM] Orion: implement power-off method for QNAP TS-109/209 [ARM] Orion: add support for QNAP TS-109/TS-209 [ARM] Orion: I2C support [I2C] i2c-mv64xxx: Don't set i2c_adapter.retries [I2C] Split mv643xx I2C platform support [ARM] Orion: enable CONFIG_RTC_DRV_M41T80 for D-Link DNS-323 [ARM] Orion defconfig [ARM] Orion: add support for Orion/MV88F5181 based D-Link DNS-323 [ARM] Orion: MV88F5181 support bits [ARM] Orion: Buffalo/Revogear Kurobox Pro support [ARM] OrionNAS RD board support [ARM] Orion: support for Marvell Orion-2 (88F5281) Development Board [ARM] Orion: common platform setup for Gigabit Ethernet port [ARM] Orion: platform device registration for UART, USB and NAND [ARM] Orion: system timer support [ARM] Orion edge GPIO IRQ support [ARM] Orion: IRQ support [ARM] Orion: provide GPIO method for enabling hardware assisted blinking [ARM] Orion: GPIO support [ARM] Orion: programable address map support ... Conflicts: arch/arm/Kconfig arch/arm/Makefile Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/mach-orion/common.c')
-rw-r--r--arch/arm/mach-orion/common.c315
1 files changed, 315 insertions, 0 deletions
diff --git a/arch/arm/mach-orion/common.c b/arch/arm/mach-orion/common.c
new file mode 100644
index 000000000000..5e20b6b32508
--- /dev/null
+++ b/arch/arm/mach-orion/common.c
@@ -0,0 +1,315 @@
1/*
2 * arch/arm/mach-orion/common.c
3 *
4 * Core functions for Marvell Orion System On Chip
5 *
6 * Maintainer: Tzachi Perelstein <tzachi@marvell.com>
7 *
8 * This file is licensed under the terms of the GNU General Public
9 * License version 2. This program is licensed "as is" without any
10 * warranty of any kind, whether express or implied.
11 */
12
13#include <linux/kernel.h>
14#include <linux/init.h>
15#include <linux/platform_device.h>
16#include <linux/serial_8250.h>
17#include <linux/mv643xx_eth.h>
18#include <linux/mv643xx_i2c.h>
19#include <asm/page.h>
20#include <asm/timex.h>
21#include <asm/mach/map.h>
22#include <asm/arch/orion.h>
23#include "common.h"
24
25/*****************************************************************************
26 * I/O Address Mapping
27 ****************************************************************************/
28static struct map_desc orion_io_desc[] __initdata = {
29 {
30 .virtual = ORION_REGS_BASE,
31 .pfn = __phys_to_pfn(ORION_REGS_BASE),
32 .length = ORION_REGS_SIZE,
33 .type = MT_DEVICE
34 },
35 {
36 .virtual = ORION_PCIE_IO_BASE,
37 .pfn = __phys_to_pfn(ORION_PCIE_IO_BASE),
38 .length = ORION_PCIE_IO_SIZE,
39 .type = MT_DEVICE
40 },
41 {
42 .virtual = ORION_PCI_IO_BASE,
43 .pfn = __phys_to_pfn(ORION_PCI_IO_BASE),
44 .length = ORION_PCI_IO_SIZE,
45 .type = MT_DEVICE
46 },
47 {
48 .virtual = ORION_PCIE_WA_BASE,
49 .pfn = __phys_to_pfn(ORION_PCIE_WA_BASE),
50 .length = ORION_PCIE_WA_SIZE,
51 .type = MT_DEVICE
52 },
53};
54
55void __init orion_map_io(void)
56{
57 iotable_init(orion_io_desc, ARRAY_SIZE(orion_io_desc));
58}
59
60/*****************************************************************************
61 * UART
62 ****************************************************************************/
63
64static struct resource orion_uart_resources[] = {
65 {
66 .start = UART0_BASE,
67 .end = UART0_BASE + 0xff,
68 .flags = IORESOURCE_MEM,
69 },
70 {
71 .start = IRQ_ORION_UART0,
72 .end = IRQ_ORION_UART0,
73 .flags = IORESOURCE_IRQ,
74 },
75 {
76 .start = UART1_BASE,
77 .end = UART1_BASE + 0xff,
78 .flags = IORESOURCE_MEM,
79 },
80 {
81 .start = IRQ_ORION_UART1,
82 .end = IRQ_ORION_UART1,
83 .flags = IORESOURCE_IRQ,
84 },
85};
86
87static struct plat_serial8250_port orion_uart_data[] = {
88 {
89 .mapbase = UART0_BASE,
90 .membase = (char *)UART0_BASE,
91 .irq = IRQ_ORION_UART0,
92 .flags = UPF_SKIP_TEST | UPF_BOOT_AUTOCONF,
93 .iotype = UPIO_MEM,
94 .regshift = 2,
95 .uartclk = ORION_TCLK,
96 },
97 {
98 .mapbase = UART1_BASE,
99 .membase = (char *)UART1_BASE,
100 .irq = IRQ_ORION_UART1,
101 .flags = UPF_SKIP_TEST | UPF_BOOT_AUTOCONF,
102 .iotype = UPIO_MEM,
103 .regshift = 2,
104 .uartclk = ORION_TCLK,
105 },
106 { },
107};
108
109static struct platform_device orion_uart = {
110 .name = "serial8250",
111 .id = PLAT8250_DEV_PLATFORM,
112 .dev = {
113 .platform_data = orion_uart_data,
114 },
115 .resource = orion_uart_resources,
116 .num_resources = ARRAY_SIZE(orion_uart_resources),
117};
118
119/*******************************************************************************
120 * USB Controller - 2 interfaces
121 ******************************************************************************/
122
123static struct resource orion_ehci0_resources[] = {
124 {
125 .start = ORION_USB0_REG_BASE,
126 .end = ORION_USB0_REG_BASE + SZ_4K,
127 .flags = IORESOURCE_MEM,
128 },
129 {
130 .start = IRQ_ORION_USB0_CTRL,
131 .end = IRQ_ORION_USB0_CTRL,
132 .flags = IORESOURCE_IRQ,
133 },
134};
135
136static struct resource orion_ehci1_resources[] = {
137 {
138 .start = ORION_USB1_REG_BASE,
139 .end = ORION_USB1_REG_BASE + SZ_4K,
140 .flags = IORESOURCE_MEM,
141 },
142 {
143 .start = IRQ_ORION_USB1_CTRL,
144 .end = IRQ_ORION_USB1_CTRL,
145 .flags = IORESOURCE_IRQ,
146 },
147};
148
149static u64 ehci_dmamask = 0xffffffffUL;
150
151static struct platform_device orion_ehci0 = {
152 .name = "orion-ehci",
153 .id = 0,
154 .dev = {
155 .dma_mask = &ehci_dmamask,
156 .coherent_dma_mask = 0xffffffff,
157 },
158 .resource = orion_ehci0_resources,
159 .num_resources = ARRAY_SIZE(orion_ehci0_resources),
160};
161
162static struct platform_device orion_ehci1 = {
163 .name = "orion-ehci",
164 .id = 1,
165 .dev = {
166 .dma_mask = &ehci_dmamask,
167 .coherent_dma_mask = 0xffffffff,
168 },
169 .resource = orion_ehci1_resources,
170 .num_resources = ARRAY_SIZE(orion_ehci1_resources),
171};
172
173/*****************************************************************************
174 * Gigabit Ethernet port
175 * (The Orion and Discovery (MV643xx) families use the same Ethernet driver)
176 ****************************************************************************/
177
178static struct resource orion_eth_shared_resources[] = {
179 {
180 .start = ORION_ETH_REG_BASE,
181 .end = ORION_ETH_REG_BASE + 0xffff,
182 .flags = IORESOURCE_MEM,
183 },
184};
185
186static struct platform_device orion_eth_shared = {
187 .name = MV643XX_ETH_SHARED_NAME,
188 .id = 0,
189 .num_resources = 1,
190 .resource = orion_eth_shared_resources,
191};
192
193static struct resource orion_eth_resources[] = {
194 {
195 .name = "eth irq",
196 .start = IRQ_ORION_ETH_SUM,
197 .end = IRQ_ORION_ETH_SUM,
198 .flags = IORESOURCE_IRQ,
199 }
200};
201
202static struct platform_device orion_eth = {
203 .name = MV643XX_ETH_NAME,
204 .id = 0,
205 .num_resources = 1,
206 .resource = orion_eth_resources,
207};
208
209void __init orion_eth_init(struct mv643xx_eth_platform_data *eth_data)
210{
211 orion_eth.dev.platform_data = eth_data;
212 platform_device_register(&orion_eth_shared);
213 platform_device_register(&orion_eth);
214}
215
216/*****************************************************************************
217 * I2C controller
218 * (The Orion and Discovery (MV643xx) families share the same I2C controller)
219 ****************************************************************************/
220
221static struct mv64xxx_i2c_pdata orion_i2c_pdata = {
222 .freq_m = 8, /* assumes 166 MHz TCLK */
223 .freq_n = 3,
224 .timeout = 1000, /* Default timeout of 1 second */
225};
226
227static struct resource orion_i2c_resources[] = {
228 {
229 .name = "i2c base",
230 .start = I2C_BASE,
231 .end = I2C_BASE + 0x20 -1,
232 .flags = IORESOURCE_MEM,
233 },
234 {
235 .name = "i2c irq",
236 .start = IRQ_ORION_I2C,
237 .end = IRQ_ORION_I2C,
238 .flags = IORESOURCE_IRQ,
239 },
240};
241
242static struct platform_device orion_i2c = {
243 .name = MV64XXX_I2C_CTLR_NAME,
244 .id = 0,
245 .num_resources = ARRAY_SIZE(orion_i2c_resources),
246 .resource = orion_i2c_resources,
247 .dev = {
248 .platform_data = &orion_i2c_pdata,
249 },
250};
251
252/*****************************************************************************
253 * General
254 ****************************************************************************/
255
256/*
257 * Identify device ID and rev from PCIE configuration header space '0'.
258 */
259static void orion_id(u32 *dev, u32 *rev, char **dev_name)
260{
261 orion_pcie_id(dev, rev);
262
263 if (*dev == MV88F5281_DEV_ID) {
264 if (*rev == MV88F5281_REV_D2) {
265 *dev_name = "MV88F5281-D2";
266 } else if (*rev == MV88F5281_REV_D1) {
267 *dev_name = "MV88F5281-D1";
268 } else {
269 *dev_name = "MV88F5281-Rev-Unsupported";
270 }
271 } else if (*dev == MV88F5182_DEV_ID) {
272 if (*rev == MV88F5182_REV_A2) {
273 *dev_name = "MV88F5182-A2";
274 } else {
275 *dev_name = "MV88F5182-Rev-Unsupported";
276 }
277 } else if (*dev == MV88F5181_DEV_ID) {
278 if (*rev == MV88F5181_REV_B1) {
279 *dev_name = "MV88F5181-Rev-B1";
280 } else {
281 *dev_name = "MV88F5181-Rev-Unsupported";
282 }
283 } else {
284 *dev_name = "Device-Unknown";
285 }
286}
287
288void __init orion_init(void)
289{
290 char *dev_name;
291 u32 dev, rev;
292
293 orion_id(&dev, &rev, &dev_name);
294 printk(KERN_INFO "Orion ID: %s. TCLK=%d.\n", dev_name, ORION_TCLK);
295
296 /*
297 * Setup Orion address map
298 */
299 orion_setup_cpu_wins();
300 orion_setup_usb_wins();
301 orion_setup_eth_wins();
302 orion_setup_pci_wins();
303 orion_setup_pcie_wins();
304 if (dev == MV88F5182_DEV_ID)
305 orion_setup_sata_wins();
306
307 /*
308 * REgister devices
309 */
310 platform_device_register(&orion_uart);
311 platform_device_register(&orion_ehci0);
312 if (dev == MV88F5182_DEV_ID)
313 platform_device_register(&orion_ehci1);
314 platform_device_register(&orion_i2c);
315}