diff options
author | Russell King <rmk@dyn-67.arm.linux.org.uk> | 2008-01-28 08:21:30 -0500 |
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committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2008-01-28 08:21:30 -0500 |
commit | c00d4ffdbace1bdc9fdd888e4ba6d207ffa3b679 (patch) | |
tree | 2c9ddd5ae9cd899758b0785d4c7eb4bc200d66df /arch/arm/mach-orion/common.c | |
parent | d0d42df2a440003d96c8bf29991c2afb691ef720 (diff) | |
parent | 8f86dda3ed8f05748f2351ae967926227a91ca2a (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.c | 315 |
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 | ****************************************************************************/ | ||
28 | static 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 | |||
55 | void __init orion_map_io(void) | ||
56 | { | ||
57 | iotable_init(orion_io_desc, ARRAY_SIZE(orion_io_desc)); | ||
58 | } | ||
59 | |||
60 | /***************************************************************************** | ||
61 | * UART | ||
62 | ****************************************************************************/ | ||
63 | |||
64 | static 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 | |||
87 | static 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 | |||
109 | static 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 | |||
123 | static 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 | |||
136 | static 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 | |||
149 | static u64 ehci_dmamask = 0xffffffffUL; | ||
150 | |||
151 | static 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 | |||
162 | static 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 | |||
178 | static 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 | |||
186 | static 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 | |||
193 | static 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 | |||
202 | static struct platform_device orion_eth = { | ||
203 | .name = MV643XX_ETH_NAME, | ||
204 | .id = 0, | ||
205 | .num_resources = 1, | ||
206 | .resource = orion_eth_resources, | ||
207 | }; | ||
208 | |||
209 | void __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 | |||
221 | static 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 | |||
227 | static 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 | |||
242 | static 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 | */ | ||
259 | static 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 | |||
288 | void __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 | } | ||