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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 const char hcd_name[] = "ehci-orion";
69
70static struct hc_driver __read_mostly ehci_orion_hc_driver;
71
72/*
73 * Implement Orion USB controller specification guidelines
74 */
75static void orion_usb_phy_v1_setup(struct usb_hcd *hcd)
76{
77 /* The below GLs are according to the Orion Errata document */
78 /*
79 * Clear interrupt cause and mask
80 */
81 wrl(USB_CAUSE, 0);
82 wrl(USB_MASK, 0);
83
84 /*
85 * Reset controller
86 */
87 wrl(USB_CMD, rdl(USB_CMD) | USB_CMD_RESET);
88 while (rdl(USB_CMD) & USB_CMD_RESET);
89
90 /*
91 * GL# USB-10: Set IPG for non start of frame packets
92 * Bits[14:8]=0xc
93 */
94 wrl(USB_IPG, (rdl(USB_IPG) & ~0x7f00) | 0xc00);
95
96 /*
97 * GL# USB-9: USB 2.0 Power Control
98 * BG_VSEL[7:6]=0x1
99 */
100 wrl(USB_PHY_PWR_CTRL, (rdl(USB_PHY_PWR_CTRL) & ~0xc0)| 0x40);
101
102 /*
103 * GL# USB-1: USB PHY Tx Control - force calibration to '8'
104 * TXDATA_BLOCK_EN[21]=0x1, EXT_RCAL_EN[13]=0x1, IMP_CAL[6:3]=0x8
105 */
106 wrl(USB_PHY_TX_CTRL, (rdl(USB_PHY_TX_CTRL) & ~0x78) | 0x202040);
107
108 /*
109 * GL# USB-3 GL# USB-9: USB PHY Rx Control
110 * RXDATA_BLOCK_LENGHT[31:30]=0x3, EDGE_DET_SEL[27:26]=0,
111 * CDR_FASTLOCK_EN[21]=0, DISCON_THRESHOLD[9:8]=0, SQ_THRESH[7:4]=0x1
112 */
113 wrl(USB_PHY_RX_CTRL, (rdl(USB_PHY_RX_CTRL) & ~0xc2003f0) | 0xc0000010);
114
115 /*
116 * GL# USB-3 GL# USB-9: USB PHY IVREF Control
117 * PLLVDD12[1:0]=0x2, RXVDD[5:4]=0x3, Reserved[19]=0
118 */
119 wrl(USB_PHY_IVREF_CTRL, (rdl(USB_PHY_IVREF_CTRL) & ~0x80003 ) | 0x32);
120
121 /*
122 * GL# USB-3 GL# USB-9: USB PHY Test Group Control
123 * REG_FIFO_SQ_RST[15]=0
124 */
125 wrl(USB_PHY_TST_GRP_CTRL, rdl(USB_PHY_TST_GRP_CTRL) & ~0x8000);
126
127 /*
128 * Stop and reset controller
129 */
130 wrl(USB_CMD, rdl(USB_CMD) & ~USB_CMD_RUN);
131 wrl(USB_CMD, rdl(USB_CMD) | USB_CMD_RESET);
132 while (rdl(USB_CMD) & USB_CMD_RESET);
133
134 /*
135 * GL# USB-5 Streaming disable REG_USB_MODE[4]=1
136 * TBD: This need to be done after each reset!
137 * GL# USB-4 Setup USB Host mode
138 */
139 wrl(USB_MODE, USB_MODE_SDIS | USB_MODE_HOST);
140}
141
142static void
143ehci_orion_conf_mbus_windows(struct usb_hcd *hcd,
144 const struct mbus_dram_target_info *dram)
145{
146 int i;
147
148 for (i = 0; i < 4; i++) {
149 wrl(USB_WINDOW_CTRL(i), 0);
150 wrl(USB_WINDOW_BASE(i), 0);
151 }
152
153 for (i = 0; i < dram->num_cs; i++) {
154 const struct mbus_dram_window *cs = dram->cs + i;
155
156 wrl(USB_WINDOW_CTRL(i), ((cs->size - 1) & 0xffff0000) |
157 (cs->mbus_attr << 8) |
158 (dram->mbus_dram_target_id << 4) | 1);
159 wrl(USB_WINDOW_BASE(i), cs->base);
160 }
161}
162
163static int ehci_orion_drv_reset(struct usb_hcd *hcd)
164{
165 struct device *dev = hcd->self.controller;
166 int ret;
167
168 ret = ehci_setup(hcd);
169 if (ret)
170 return ret;
171
172 /*
173 * For SoC without hlock, need to program sbuscfg value to guarantee
174 * AHB master's burst would not overrun or underrun FIFO.
175 *
176 * sbuscfg reg has to be set after usb controller reset, otherwise
177 * the value would be override to 0.
178 */
179 if (of_device_is_compatible(dev->of_node, "marvell,armada-3700-ehci"))
180 wrl(USB_SBUSCFG, USB_SBUSCFG_DEF_VAL);
181
182 return ret;
183}
184
185static const struct ehci_driver_overrides orion_overrides __initconst = {
186 .extra_priv_size = sizeof(struct orion_ehci_hcd),
187 .reset = ehci_orion_drv_reset,
188};
189
190static int ehci_orion_drv_probe(struct platform_device *pdev)
191{
192 struct orion_ehci_data *pd = dev_get_platdata(&pdev->dev);
193 const struct mbus_dram_target_info *dram;
194 struct resource *res;
195 struct usb_hcd *hcd;
196 struct ehci_hcd *ehci;
197 void __iomem *regs;
198 int irq, err;
199 enum orion_ehci_phy_ver phy_version;
200 struct orion_ehci_hcd *priv;
201
202 if (usb_disabled())
203 return -ENODEV;
204
205 pr_debug("Initializing Orion-SoC USB Host Controller\n");
206
207 irq = platform_get_irq(pdev, 0);
208 if (irq <= 0) {
209 dev_err(&pdev->dev,
210 "Found HC with no IRQ. Check %s setup!\n",
211 dev_name(&pdev->dev));
212 err = -ENODEV;
213 goto err;
214 }
215
216 /*
217 * Right now device-tree probed devices don't get dma_mask
218 * set. Since shared usb code relies on it, set it here for
219 * now. Once we have dma capability bindings this can go away.
220 */
221 err = dma_coerce_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32));
222 if (err)
223 goto err;
224
225 res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
226 regs = devm_ioremap_resource(&pdev->dev, res);
227 if (IS_ERR(regs)) {
228 err = PTR_ERR(regs);
229 goto err;
230 }
231
232 hcd = usb_create_hcd(&ehci_orion_hc_driver,
233 &pdev->dev, dev_name(&pdev->dev));
234 if (!hcd) {
235 err = -ENOMEM;
236 goto err;
237 }
238
239 hcd->rsrc_start = res->start;
240 hcd->rsrc_len = resource_size(res);
241 hcd->regs = regs;
242
243 ehci = hcd_to_ehci(hcd);
244 ehci->caps = hcd->regs + 0x100;
245 hcd->has_tt = 1;
246
247 priv = hcd_to_orion_priv(hcd);
248 /*
249 * Not all platforms can gate the clock, so it is not an error if
250 * the clock does not exists.
251 */
252 priv->clk = devm_clk_get(&pdev->dev, NULL);
253 if (!IS_ERR(priv->clk))
254 clk_prepare_enable(priv->clk);
255
256 priv->phy = devm_phy_optional_get(&pdev->dev, "usb");
257 if (IS_ERR(priv->phy)) {
258 err = PTR_ERR(priv->phy);
259 if (err != -ENOSYS)
260 goto err_phy_get;
261 } else {
262 err = phy_init(priv->phy);
263 if (err)
264 goto err_phy_init;
265
266 err = phy_power_on(priv->phy);
267 if (err)
268 goto err_phy_power_on;
269 }
270
271 /*
272 * (Re-)program MBUS remapping windows if we are asked to.
273 */
274 dram = mv_mbus_dram_info();
275 if (dram)
276 ehci_orion_conf_mbus_windows(hcd, dram);
277
278 /*
279 * setup Orion USB controller.
280 */
281 if (pdev->dev.of_node)
282 phy_version = EHCI_PHY_NA;
283 else
284 phy_version = pd->phy_version;
285
286 switch (phy_version) {
287 case EHCI_PHY_NA: /* dont change USB phy settings */
288 break;
289 case EHCI_PHY_ORION:
290 orion_usb_phy_v1_setup(hcd);
291 break;
292 case EHCI_PHY_DD:
293 case EHCI_PHY_KW:
294 default:
295 dev_warn(&pdev->dev, "USB phy version isn't supported.\n");
296 }
297
298 err = usb_add_hcd(hcd, irq, IRQF_SHARED);
299 if (err)
300 goto err_add_hcd;
301
302 device_wakeup_enable(hcd->self.controller);
303 return 0;
304
305err_add_hcd:
306 if (!IS_ERR(priv->phy))
307 phy_power_off(priv->phy);
308err_phy_power_on:
309 if (!IS_ERR(priv->phy))
310 phy_exit(priv->phy);
311err_phy_init:
312err_phy_get:
313 if (!IS_ERR(priv->clk))
314 clk_disable_unprepare(priv->clk);
315 usb_put_hcd(hcd);
316err:
317 dev_err(&pdev->dev, "init %s fail, %d\n",
318 dev_name(&pdev->dev), err);
319
320 return err;
321}
322
323static int ehci_orion_drv_remove(struct platform_device *pdev)
324{
325 struct usb_hcd *hcd = platform_get_drvdata(pdev);
326 struct orion_ehci_hcd *priv = hcd_to_orion_priv(hcd);
327
328 usb_remove_hcd(hcd);
329
330 if (!IS_ERR(priv->phy)) {
331 phy_power_off(priv->phy);
332 phy_exit(priv->phy);
333 }
334
335 if (!IS_ERR(priv->clk))
336 clk_disable_unprepare(priv->clk);
337
338 usb_put_hcd(hcd);
339
340 return 0;
341}
342
343static const struct of_device_id ehci_orion_dt_ids[] = {
344 { .compatible = "marvell,orion-ehci", },
345 { .compatible = "marvell,armada-3700-ehci", },
346 {},
347};
348MODULE_DEVICE_TABLE(of, ehci_orion_dt_ids);
349
350static struct platform_driver ehci_orion_driver = {
351 .probe = ehci_orion_drv_probe,
352 .remove = ehci_orion_drv_remove,
353 .shutdown = usb_hcd_platform_shutdown,
354 .driver = {
355 .name = "orion-ehci",
356 .of_match_table = ehci_orion_dt_ids,
357 },
358};
359
360static int __init ehci_orion_init(void)
361{
362 if (usb_disabled())
363 return -ENODEV;
364
365 pr_info("%s: " DRIVER_DESC "\n", hcd_name);
366
367 ehci_init_driver(&ehci_orion_hc_driver, &orion_overrides);
368 return platform_driver_register(&ehci_orion_driver);
369}
370module_init(ehci_orion_init);
371
372static void __exit ehci_orion_cleanup(void)
373{
374 platform_driver_unregister(&ehci_orion_driver);
375}
376module_exit(ehci_orion_cleanup);
377
378MODULE_DESCRIPTION(DRIVER_DESC);
379MODULE_ALIAS("platform:orion-ehci");
380MODULE_AUTHOR("Tzachi Perelstein");
381MODULE_LICENSE("GPL v2");