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1/*
2 * drivers/usb/host/ehci-orion.c
3 *
4 * Tzachi Perelstein <tzachi@marvell.com>
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/module.h>
13#include <linux/platform_device.h>
14#include <linux/mbus.h>
15#include <linux/clk.h>
16#include <linux/platform_data/usb-ehci-orion.h>
17#include <linux/of.h>
18#include <linux/of_device.h>
19#include <linux/of_irq.h>
20#include <linux/usb.h>
21#include <linux/usb/hcd.h>
22#include <linux/io.h>
23#include <linux/dma-mapping.h>
24
25#include "ehci.h"
26
27#define rdl(off) __raw_readl(hcd->regs + (off))
28#define wrl(off, val) __raw_writel((val), hcd->regs + (off))
29
30#define USB_CMD 0x140
31#define USB_MODE 0x1a8
32#define USB_CAUSE 0x310
33#define USB_MASK 0x314
34#define USB_WINDOW_CTRL(i) (0x320 + ((i) << 4))
35#define USB_WINDOW_BASE(i) (0x324 + ((i) << 4))
36#define USB_IPG 0x360
37#define USB_PHY_PWR_CTRL 0x400
38#define USB_PHY_TX_CTRL 0x420
39#define USB_PHY_RX_CTRL 0x430
40#define USB_PHY_IVREF_CTRL 0x440
41#define USB_PHY_TST_GRP_CTRL 0x450
42
43#define DRIVER_DESC "EHCI orion driver"
44
45static const char hcd_name[] = "ehci-orion";
46
47static struct hc_driver __read_mostly ehci_orion_hc_driver;
48
49/*
50 * Implement Orion USB controller specification guidelines
51 */
52static void orion_usb_phy_v1_setup(struct usb_hcd *hcd)
53{
54 /* The below GLs are according to the Orion Errata document */
55 /*
56 * Clear interrupt cause and mask
57 */
58 wrl(USB_CAUSE, 0);
59 wrl(USB_MASK, 0);
60
61 /*
62 * Reset controller
63 */
64 wrl(USB_CMD, rdl(USB_CMD) | 0x2);
65 while (rdl(USB_CMD) & 0x2);
66
67 /*
68 * GL# USB-10: Set IPG for non start of frame packets
69 * Bits[14:8]=0xc
70 */
71 wrl(USB_IPG, (rdl(USB_IPG) & ~0x7f00) | 0xc00);
72
73 /*
74 * GL# USB-9: USB 2.0 Power Control
75 * BG_VSEL[7:6]=0x1
76 */
77 wrl(USB_PHY_PWR_CTRL, (rdl(USB_PHY_PWR_CTRL) & ~0xc0)| 0x40);
78
79 /*
80 * GL# USB-1: USB PHY Tx Control - force calibration to '8'
81 * TXDATA_BLOCK_EN[21]=0x1, EXT_RCAL_EN[13]=0x1, IMP_CAL[6:3]=0x8
82 */
83 wrl(USB_PHY_TX_CTRL, (rdl(USB_PHY_TX_CTRL) & ~0x78) | 0x202040);
84
85 /*
86 * GL# USB-3 GL# USB-9: USB PHY Rx Control
87 * RXDATA_BLOCK_LENGHT[31:30]=0x3, EDGE_DET_SEL[27:26]=0,
88 * CDR_FASTLOCK_EN[21]=0, DISCON_THRESHOLD[9:8]=0, SQ_THRESH[7:4]=0x1
89 */
90 wrl(USB_PHY_RX_CTRL, (rdl(USB_PHY_RX_CTRL) & ~0xc2003f0) | 0xc0000010);
91
92 /*
93 * GL# USB-3 GL# USB-9: USB PHY IVREF Control
94 * PLLVDD12[1:0]=0x2, RXVDD[5:4]=0x3, Reserved[19]=0
95 */
96 wrl(USB_PHY_IVREF_CTRL, (rdl(USB_PHY_IVREF_CTRL) & ~0x80003 ) | 0x32);
97
98 /*
99 * GL# USB-3 GL# USB-9: USB PHY Test Group Control
100 * REG_FIFO_SQ_RST[15]=0
101 */
102 wrl(USB_PHY_TST_GRP_CTRL, rdl(USB_PHY_TST_GRP_CTRL) & ~0x8000);
103
104 /*
105 * Stop and reset controller
106 */
107 wrl(USB_CMD, rdl(USB_CMD) & ~0x1);
108 wrl(USB_CMD, rdl(USB_CMD) | 0x2);
109 while (rdl(USB_CMD) & 0x2);
110
111 /*
112 * GL# USB-5 Streaming disable REG_USB_MODE[4]=1
113 * TBD: This need to be done after each reset!
114 * GL# USB-4 Setup USB Host mode
115 */
116 wrl(USB_MODE, 0x13);
117}
118
119static void
120ehci_orion_conf_mbus_windows(struct usb_hcd *hcd,
121 const struct mbus_dram_target_info *dram)
122{
123 int i;
124
125 for (i = 0; i < 4; i++) {
126 wrl(USB_WINDOW_CTRL(i), 0);
127 wrl(USB_WINDOW_BASE(i), 0);
128 }
129
130 for (i = 0; i < dram->num_cs; i++) {
131 const struct mbus_dram_window *cs = dram->cs + i;
132
133 wrl(USB_WINDOW_CTRL(i), ((cs->size - 1) & 0xffff0000) |
134 (cs->mbus_attr << 8) |
135 (dram->mbus_dram_target_id << 4) | 1);
136 wrl(USB_WINDOW_BASE(i), cs->base);
137 }
138}
139
140static int ehci_orion_drv_probe(struct platform_device *pdev)
141{
142 struct orion_ehci_data *pd = dev_get_platdata(&pdev->dev);
143 const struct mbus_dram_target_info *dram;
144 struct resource *res;
145 struct usb_hcd *hcd;
146 struct ehci_hcd *ehci;
147 struct clk *clk;
148 void __iomem *regs;
149 int irq, err;
150 enum orion_ehci_phy_ver phy_version;
151
152 if (usb_disabled())
153 return -ENODEV;
154
155 pr_debug("Initializing Orion-SoC USB Host Controller\n");
156
157 if (pdev->dev.of_node)
158 irq = irq_of_parse_and_map(pdev->dev.of_node, 0);
159 else
160 irq = platform_get_irq(pdev, 0);
161 if (irq <= 0) {
162 dev_err(&pdev->dev,
163 "Found HC with no IRQ. Check %s setup!\n",
164 dev_name(&pdev->dev));
165 err = -ENODEV;
166 goto err1;
167 }
168
169 res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
170 if (!res) {
171 dev_err(&pdev->dev,
172 "Found HC with no register addr. Check %s setup!\n",
173 dev_name(&pdev->dev));
174 err = -ENODEV;
175 goto err1;
176 }
177
178 /*
179 * Right now device-tree probed devices don't get dma_mask
180 * set. Since shared usb code relies on it, set it here for
181 * now. Once we have dma capability bindings this can go away.
182 */
183 err = dma_coerce_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32));
184 if (err)
185 goto err1;
186
187 regs = devm_ioremap_resource(&pdev->dev, res);
188 if (IS_ERR(regs)) {
189 err = PTR_ERR(regs);
190 goto err1;
191 }
192
193 /* Not all platforms can gate the clock, so it is not
194 an error if the clock does not exists. */
195 clk = devm_clk_get(&pdev->dev, NULL);
196 if (!IS_ERR(clk))
197 clk_prepare_enable(clk);
198
199 hcd = usb_create_hcd(&ehci_orion_hc_driver,
200 &pdev->dev, dev_name(&pdev->dev));
201 if (!hcd) {
202 err = -ENOMEM;
203 goto err2;
204 }
205
206 hcd->rsrc_start = res->start;
207 hcd->rsrc_len = resource_size(res);
208 hcd->regs = regs;
209
210 ehci = hcd_to_ehci(hcd);
211 ehci->caps = hcd->regs + 0x100;
212 hcd->has_tt = 1;
213
214 /*
215 * (Re-)program MBUS remapping windows if we are asked to.
216 */
217 dram = mv_mbus_dram_info();
218 if (dram)
219 ehci_orion_conf_mbus_windows(hcd, dram);
220
221 /*
222 * setup Orion USB controller.
223 */
224 if (pdev->dev.of_node)
225 phy_version = EHCI_PHY_NA;
226 else
227 phy_version = pd->phy_version;
228
229 switch (phy_version) {
230 case EHCI_PHY_NA: /* dont change USB phy settings */
231 break;
232 case EHCI_PHY_ORION:
233 orion_usb_phy_v1_setup(hcd);
234 break;
235 case EHCI_PHY_DD:
236 case EHCI_PHY_KW:
237 default:
238 dev_warn(&pdev->dev, "USB phy version isn't supported.\n");
239 }
240
241 err = usb_add_hcd(hcd, irq, IRQF_SHARED);
242 if (err)
243 goto err3;
244
245 device_wakeup_enable(hcd->self.controller);
246 return 0;
247
248err3:
249 usb_put_hcd(hcd);
250err2:
251 if (!IS_ERR(clk))
252 clk_disable_unprepare(clk);
253err1:
254 dev_err(&pdev->dev, "init %s fail, %d\n",
255 dev_name(&pdev->dev), err);
256
257 return err;
258}
259
260static int ehci_orion_drv_remove(struct platform_device *pdev)
261{
262 struct usb_hcd *hcd = platform_get_drvdata(pdev);
263 struct clk *clk;
264
265 usb_remove_hcd(hcd);
266 usb_put_hcd(hcd);
267
268 clk = devm_clk_get(&pdev->dev, NULL);
269 if (!IS_ERR(clk))
270 clk_disable_unprepare(clk);
271 return 0;
272}
273
274static const struct of_device_id ehci_orion_dt_ids[] = {
275 { .compatible = "marvell,orion-ehci", },
276 {},
277};
278MODULE_DEVICE_TABLE(of, ehci_orion_dt_ids);
279
280static struct platform_driver ehci_orion_driver = {
281 .probe = ehci_orion_drv_probe,
282 .remove = ehci_orion_drv_remove,
283 .shutdown = usb_hcd_platform_shutdown,
284 .driver = {
285 .name = "orion-ehci",
286 .owner = THIS_MODULE,
287 .of_match_table = ehci_orion_dt_ids,
288 },
289};
290
291static int __init ehci_orion_init(void)
292{
293 if (usb_disabled())
294 return -ENODEV;
295
296 pr_info("%s: " DRIVER_DESC "\n", hcd_name);
297
298 ehci_init_driver(&ehci_orion_hc_driver, NULL);
299 return platform_driver_register(&ehci_orion_driver);
300}
301module_init(ehci_orion_init);
302
303static void __exit ehci_orion_cleanup(void)
304{
305 platform_driver_unregister(&ehci_orion_driver);
306}
307module_exit(ehci_orion_cleanup);
308
309MODULE_DESCRIPTION(DRIVER_DESC);
310MODULE_ALIAS("platform:orion-ehci");
311MODULE_AUTHOR("Tzachi Perelstein");
312MODULE_LICENSE("GPL v2");
1// SPDX-License-Identifier: GPL-2.0
2/*
3 * drivers/usb/host/ehci-orion.c
4 *
5 * Tzachi Perelstein <tzachi@marvell.com>
6 */
7
8#include <linux/kernel.h>
9#include <linux/module.h>
10#include <linux/platform_device.h>
11#include <linux/mbus.h>
12#include <linux/clk.h>
13#include <linux/platform_data/usb-ehci-orion.h>
14#include <linux/of.h>
15#include <linux/phy/phy.h>
16#include <linux/of_device.h>
17#include <linux/of_irq.h>
18#include <linux/usb.h>
19#include <linux/usb/hcd.h>
20#include <linux/io.h>
21#include <linux/dma-mapping.h>
22
23#include "ehci.h"
24
25#define rdl(off) readl_relaxed(hcd->regs + (off))
26#define wrl(off, val) writel_relaxed((val), hcd->regs + (off))
27
28#define USB_CMD 0x140
29#define USB_CMD_RUN BIT(0)
30#define USB_CMD_RESET BIT(1)
31#define USB_MODE 0x1a8
32#define USB_MODE_MASK GENMASK(1, 0)
33#define USB_MODE_DEVICE 0x2
34#define USB_MODE_HOST 0x3
35#define USB_MODE_SDIS BIT(4)
36#define USB_CAUSE 0x310
37#define USB_MASK 0x314
38#define USB_WINDOW_CTRL(i) (0x320 + ((i) << 4))
39#define USB_WINDOW_BASE(i) (0x324 + ((i) << 4))
40#define USB_IPG 0x360
41#define USB_PHY_PWR_CTRL 0x400
42#define USB_PHY_TX_CTRL 0x420
43#define USB_PHY_RX_CTRL 0x430
44#define USB_PHY_IVREF_CTRL 0x440
45#define USB_PHY_TST_GRP_CTRL 0x450
46
47#define USB_SBUSCFG 0x90
48
49/* BAWR = BARD = 3 : Align read/write bursts packets larger than 128 bytes */
50#define USB_SBUSCFG_BAWR_ALIGN_128B (0x3 << 6)
51#define USB_SBUSCFG_BARD_ALIGN_128B (0x3 << 3)
52/* AHBBRST = 3 : Align AHB Burst to INCR16 (64 bytes) */
53#define USB_SBUSCFG_AHBBRST_INCR16 (0x3 << 0)
54
55#define USB_SBUSCFG_DEF_VAL (USB_SBUSCFG_BAWR_ALIGN_128B \
56 | USB_SBUSCFG_BARD_ALIGN_128B \
57 | USB_SBUSCFG_AHBBRST_INCR16)
58
59#define DRIVER_DESC "EHCI orion driver"
60
61#define hcd_to_orion_priv(h) ((struct orion_ehci_hcd *)hcd_to_ehci(h)->priv)
62
63struct orion_ehci_hcd {
64 struct clk *clk;
65 struct phy *phy;
66};
67
68static struct hc_driver __read_mostly ehci_orion_hc_driver;
69
70/*
71 * Implement Orion USB controller specification guidelines
72 */
73static void orion_usb_phy_v1_setup(struct usb_hcd *hcd)
74{
75 /* The below GLs are according to the Orion Errata document */
76 /*
77 * Clear interrupt cause and mask
78 */
79 wrl(USB_CAUSE, 0);
80 wrl(USB_MASK, 0);
81
82 /*
83 * Reset controller
84 */
85 wrl(USB_CMD, rdl(USB_CMD) | USB_CMD_RESET);
86 while (rdl(USB_CMD) & USB_CMD_RESET);
87
88 /*
89 * GL# USB-10: Set IPG for non start of frame packets
90 * Bits[14:8]=0xc
91 */
92 wrl(USB_IPG, (rdl(USB_IPG) & ~0x7f00) | 0xc00);
93
94 /*
95 * GL# USB-9: USB 2.0 Power Control
96 * BG_VSEL[7:6]=0x1
97 */
98 wrl(USB_PHY_PWR_CTRL, (rdl(USB_PHY_PWR_CTRL) & ~0xc0)| 0x40);
99
100 /*
101 * GL# USB-1: USB PHY Tx Control - force calibration to '8'
102 * TXDATA_BLOCK_EN[21]=0x1, EXT_RCAL_EN[13]=0x1, IMP_CAL[6:3]=0x8
103 */
104 wrl(USB_PHY_TX_CTRL, (rdl(USB_PHY_TX_CTRL) & ~0x78) | 0x202040);
105
106 /*
107 * GL# USB-3 GL# USB-9: USB PHY Rx Control
108 * RXDATA_BLOCK_LENGHT[31:30]=0x3, EDGE_DET_SEL[27:26]=0,
109 * CDR_FASTLOCK_EN[21]=0, DISCON_THRESHOLD[9:8]=0, SQ_THRESH[7:4]=0x1
110 */
111 wrl(USB_PHY_RX_CTRL, (rdl(USB_PHY_RX_CTRL) & ~0xc2003f0) | 0xc0000010);
112
113 /*
114 * GL# USB-3 GL# USB-9: USB PHY IVREF Control
115 * PLLVDD12[1:0]=0x2, RXVDD[5:4]=0x3, Reserved[19]=0
116 */
117 wrl(USB_PHY_IVREF_CTRL, (rdl(USB_PHY_IVREF_CTRL) & ~0x80003 ) | 0x32);
118
119 /*
120 * GL# USB-3 GL# USB-9: USB PHY Test Group Control
121 * REG_FIFO_SQ_RST[15]=0
122 */
123 wrl(USB_PHY_TST_GRP_CTRL, rdl(USB_PHY_TST_GRP_CTRL) & ~0x8000);
124
125 /*
126 * Stop and reset controller
127 */
128 wrl(USB_CMD, rdl(USB_CMD) & ~USB_CMD_RUN);
129 wrl(USB_CMD, rdl(USB_CMD) | USB_CMD_RESET);
130 while (rdl(USB_CMD) & USB_CMD_RESET);
131
132 /*
133 * GL# USB-5 Streaming disable REG_USB_MODE[4]=1
134 * TBD: This need to be done after each reset!
135 * GL# USB-4 Setup USB Host mode
136 */
137 wrl(USB_MODE, USB_MODE_SDIS | USB_MODE_HOST);
138}
139
140static void
141ehci_orion_conf_mbus_windows(struct usb_hcd *hcd,
142 const struct mbus_dram_target_info *dram)
143{
144 int i;
145
146 for (i = 0; i < 4; i++) {
147 wrl(USB_WINDOW_CTRL(i), 0);
148 wrl(USB_WINDOW_BASE(i), 0);
149 }
150
151 for (i = 0; i < dram->num_cs; i++) {
152 const struct mbus_dram_window *cs = dram->cs + i;
153
154 wrl(USB_WINDOW_CTRL(i), ((cs->size - 1) & 0xffff0000) |
155 (cs->mbus_attr << 8) |
156 (dram->mbus_dram_target_id << 4) | 1);
157 wrl(USB_WINDOW_BASE(i), cs->base);
158 }
159}
160
161static int ehci_orion_drv_reset(struct usb_hcd *hcd)
162{
163 struct device *dev = hcd->self.controller;
164 int ret;
165
166 ret = ehci_setup(hcd);
167 if (ret)
168 return ret;
169
170 /*
171 * For SoC without hlock, need to program sbuscfg value to guarantee
172 * AHB master's burst would not overrun or underrun FIFO.
173 *
174 * sbuscfg reg has to be set after usb controller reset, otherwise
175 * the value would be override to 0.
176 */
177 if (of_device_is_compatible(dev->of_node, "marvell,armada-3700-ehci"))
178 wrl(USB_SBUSCFG, USB_SBUSCFG_DEF_VAL);
179
180 return ret;
181}
182
183static int __maybe_unused ehci_orion_drv_suspend(struct device *dev)
184{
185 struct usb_hcd *hcd = dev_get_drvdata(dev);
186
187 return ehci_suspend(hcd, device_may_wakeup(dev));
188}
189
190static int __maybe_unused ehci_orion_drv_resume(struct device *dev)
191{
192 struct usb_hcd *hcd = dev_get_drvdata(dev);
193
194 return ehci_resume(hcd, false);
195}
196
197static SIMPLE_DEV_PM_OPS(ehci_orion_pm_ops, ehci_orion_drv_suspend,
198 ehci_orion_drv_resume);
199
200static const struct ehci_driver_overrides orion_overrides __initconst = {
201 .extra_priv_size = sizeof(struct orion_ehci_hcd),
202 .reset = ehci_orion_drv_reset,
203};
204
205static int ehci_orion_drv_probe(struct platform_device *pdev)
206{
207 struct orion_ehci_data *pd = dev_get_platdata(&pdev->dev);
208 const struct mbus_dram_target_info *dram;
209 struct resource *res;
210 struct usb_hcd *hcd;
211 struct ehci_hcd *ehci;
212 void __iomem *regs;
213 int irq, err;
214 enum orion_ehci_phy_ver phy_version;
215 struct orion_ehci_hcd *priv;
216
217 if (usb_disabled())
218 return -ENODEV;
219
220 pr_debug("Initializing Orion-SoC USB Host Controller\n");
221
222 irq = platform_get_irq(pdev, 0);
223 if (irq <= 0) {
224 err = -ENODEV;
225 goto err;
226 }
227
228 /*
229 * Right now device-tree probed devices don't get dma_mask
230 * set. Since shared usb code relies on it, set it here for
231 * now. Once we have dma capability bindings this can go away.
232 */
233 err = dma_coerce_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32));
234 if (err)
235 goto err;
236
237 res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
238 regs = devm_ioremap_resource(&pdev->dev, res);
239 if (IS_ERR(regs)) {
240 err = PTR_ERR(regs);
241 goto err;
242 }
243
244 hcd = usb_create_hcd(&ehci_orion_hc_driver,
245 &pdev->dev, dev_name(&pdev->dev));
246 if (!hcd) {
247 err = -ENOMEM;
248 goto err;
249 }
250
251 hcd->rsrc_start = res->start;
252 hcd->rsrc_len = resource_size(res);
253 hcd->regs = regs;
254
255 ehci = hcd_to_ehci(hcd);
256 ehci->caps = hcd->regs + 0x100;
257 hcd->has_tt = 1;
258
259 priv = hcd_to_orion_priv(hcd);
260 /*
261 * Not all platforms can gate the clock, so it is not an error if
262 * the clock does not exists.
263 */
264 priv->clk = devm_clk_get(&pdev->dev, NULL);
265 if (!IS_ERR(priv->clk)) {
266 err = clk_prepare_enable(priv->clk);
267 if (err)
268 goto err_put_hcd;
269 }
270
271 priv->phy = devm_phy_optional_get(&pdev->dev, "usb");
272 if (IS_ERR(priv->phy)) {
273 err = PTR_ERR(priv->phy);
274 if (err != -ENOSYS)
275 goto err_dis_clk;
276 }
277
278 /*
279 * (Re-)program MBUS remapping windows if we are asked to.
280 */
281 dram = mv_mbus_dram_info();
282 if (dram)
283 ehci_orion_conf_mbus_windows(hcd, dram);
284
285 /*
286 * setup Orion USB controller.
287 */
288 if (pdev->dev.of_node)
289 phy_version = EHCI_PHY_NA;
290 else
291 phy_version = pd->phy_version;
292
293 switch (phy_version) {
294 case EHCI_PHY_NA: /* dont change USB phy settings */
295 break;
296 case EHCI_PHY_ORION:
297 orion_usb_phy_v1_setup(hcd);
298 break;
299 case EHCI_PHY_DD:
300 case EHCI_PHY_KW:
301 default:
302 dev_warn(&pdev->dev, "USB phy version isn't supported.\n");
303 }
304
305 err = usb_add_hcd(hcd, irq, IRQF_SHARED);
306 if (err)
307 goto err_dis_clk;
308
309 device_wakeup_enable(hcd->self.controller);
310 return 0;
311
312err_dis_clk:
313 if (!IS_ERR(priv->clk))
314 clk_disable_unprepare(priv->clk);
315err_put_hcd:
316 usb_put_hcd(hcd);
317err:
318 dev_err(&pdev->dev, "init %s fail, %d\n",
319 dev_name(&pdev->dev), err);
320
321 return err;
322}
323
324static int ehci_orion_drv_remove(struct platform_device *pdev)
325{
326 struct usb_hcd *hcd = platform_get_drvdata(pdev);
327 struct orion_ehci_hcd *priv = hcd_to_orion_priv(hcd);
328
329 usb_remove_hcd(hcd);
330
331 if (!IS_ERR(priv->clk))
332 clk_disable_unprepare(priv->clk);
333
334 usb_put_hcd(hcd);
335
336 return 0;
337}
338
339static const struct of_device_id ehci_orion_dt_ids[] = {
340 { .compatible = "marvell,orion-ehci", },
341 { .compatible = "marvell,armada-3700-ehci", },
342 {},
343};
344MODULE_DEVICE_TABLE(of, ehci_orion_dt_ids);
345
346static struct platform_driver ehci_orion_driver = {
347 .probe = ehci_orion_drv_probe,
348 .remove = ehci_orion_drv_remove,
349 .shutdown = usb_hcd_platform_shutdown,
350 .driver = {
351 .name = "orion-ehci",
352 .of_match_table = ehci_orion_dt_ids,
353 .pm = &ehci_orion_pm_ops,
354 },
355};
356
357static int __init ehci_orion_init(void)
358{
359 if (usb_disabled())
360 return -ENODEV;
361
362 ehci_init_driver(&ehci_orion_hc_driver, &orion_overrides);
363 return platform_driver_register(&ehci_orion_driver);
364}
365module_init(ehci_orion_init);
366
367static void __exit ehci_orion_cleanup(void)
368{
369 platform_driver_unregister(&ehci_orion_driver);
370}
371module_exit(ehci_orion_cleanup);
372
373MODULE_DESCRIPTION(DRIVER_DESC);
374MODULE_ALIAS("platform:orion-ehci");
375MODULE_AUTHOR("Tzachi Perelstein");
376MODULE_LICENSE("GPL v2");