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-rw-r--r--drivers/usb/gadget/Makefile2
-rw-r--r--drivers/usb/gadget/mv_udc.h17
-rw-r--r--drivers/usb/gadget/mv_udc_core.c158
-rw-r--r--drivers/usb/gadget/mv_udc_phy.c214
-rw-r--r--include/linux/platform_data/mv_usb.h50
5 files changed, 182 insertions, 259 deletions
diff --git a/drivers/usb/gadget/Makefile b/drivers/usb/gadget/Makefile
index 9ba725af4a08..c36da63009db 100644
--- a/drivers/usb/gadget/Makefile
+++ b/drivers/usb/gadget/Makefile
@@ -28,7 +28,7 @@ obj-$(CONFIG_USB_S3C_HSUDC) += s3c-hsudc.o
28obj-$(CONFIG_USB_LANGWELL) += langwell_udc.o 28obj-$(CONFIG_USB_LANGWELL) += langwell_udc.o
29obj-$(CONFIG_USB_EG20T) += pch_udc.o 29obj-$(CONFIG_USB_EG20T) += pch_udc.o
30obj-$(CONFIG_USB_PXA_U2O) += mv_udc.o 30obj-$(CONFIG_USB_PXA_U2O) += mv_udc.o
31mv_udc-y := mv_udc_core.o mv_udc_phy.o 31mv_udc-y := mv_udc_core.o
32obj-$(CONFIG_USB_CI13XXX_MSM) += ci13xxx_msm.o 32obj-$(CONFIG_USB_CI13XXX_MSM) += ci13xxx_msm.o
33obj-$(CONFIG_USB_FUSB300) += fusb300_udc.o 33obj-$(CONFIG_USB_FUSB300) += fusb300_udc.o
34 34
diff --git a/drivers/usb/gadget/mv_udc.h b/drivers/usb/gadget/mv_udc.h
index 65f1f7c3bd4e..d3d26454b8bb 100644
--- a/drivers/usb/gadget/mv_udc.h
+++ b/drivers/usb/gadget/mv_udc.h
@@ -1,3 +1,11 @@
1/*
2 * Copyright (C) 2011 Marvell International Ltd. All rights reserved.
3 *
4 * This program is free software; you can redistribute it and/or modify it
5 * under the terms of the GNU General Public License as published by the
6 * Free Software Foundation; either version 2 of the License, or (at your
7 * option) any later version.
8 */
1 9
2#ifndef __MV_UDC_H 10#ifndef __MV_UDC_H
3#define __MV_UDC_H 11#define __MV_UDC_H
@@ -201,7 +209,12 @@ struct mv_udc {
201 remote_wakeup:1, 209 remote_wakeup:1,
202 softconnected:1, 210 softconnected:1,
203 force_fs:1; 211 force_fs:1;
204 struct clk *clk; 212
213 struct mv_usb_platform_data *pdata;
214
215 /* some SOC has mutiple clock sources for USB*/
216 unsigned int clknum;
217 struct clk *clk[0];
205}; 218};
206 219
207/* endpoint data structure */ 220/* endpoint data structure */
@@ -289,6 +302,4 @@ struct mv_dtd {
289 struct mv_dtd *next_dtd_virt; 302 struct mv_dtd *next_dtd_virt;
290}; 303};
291 304
292extern int mv_udc_phy_init(unsigned int base);
293
294#endif 305#endif
diff --git a/drivers/usb/gadget/mv_udc_core.c b/drivers/usb/gadget/mv_udc_core.c
index 0d0e9e39f8b2..40a25e75cc6a 100644
--- a/drivers/usb/gadget/mv_udc_core.c
+++ b/drivers/usb/gadget/mv_udc_core.c
@@ -1,3 +1,14 @@
1/*
2 * Copyright (C) 2011 Marvell International Ltd. All rights reserved.
3 * Author: Chao Xie <chao.xie@marvell.com>
4 * Neil Zhang <zhangwm@marvell.com>
5 *
6 * This program is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License as published by the
8 * Free Software Foundation; either version 2 of the License, or (at your
9 * option) any later version.
10 */
11
1#include <linux/module.h> 12#include <linux/module.h>
2#include <linux/pci.h> 13#include <linux/pci.h>
3#include <linux/dma-mapping.h> 14#include <linux/dma-mapping.h>
@@ -22,6 +33,7 @@
22#include <linux/irq.h> 33#include <linux/irq.h>
23#include <linux/platform_device.h> 34#include <linux/platform_device.h>
24#include <linux/clk.h> 35#include <linux/clk.h>
36#include <linux/platform_data/mv_usb.h>
25#include <asm/system.h> 37#include <asm/system.h>
26#include <asm/unaligned.h> 38#include <asm/unaligned.h>
27 39
@@ -45,6 +57,8 @@
45#define LOOPS_USEC (1 << LOOPS_USEC_SHIFT) 57#define LOOPS_USEC (1 << LOOPS_USEC_SHIFT)
46#define LOOPS(timeout) ((timeout) >> LOOPS_USEC_SHIFT) 58#define LOOPS(timeout) ((timeout) >> LOOPS_USEC_SHIFT)
47 59
60static DECLARE_COMPLETION(release_done);
61
48static const char driver_name[] = "mv_udc"; 62static const char driver_name[] = "mv_udc";
49static const char driver_desc[] = DRIVER_DESC; 63static const char driver_desc[] = DRIVER_DESC;
50 64
@@ -987,6 +1001,22 @@ static struct usb_ep_ops mv_ep_ops = {
987 .fifo_flush = mv_ep_fifo_flush, /* flush fifo */ 1001 .fifo_flush = mv_ep_fifo_flush, /* flush fifo */
988}; 1002};
989 1003
1004static void udc_clock_enable(struct mv_udc *udc)
1005{
1006 unsigned int i;
1007
1008 for (i = 0; i < udc->clknum; i++)
1009 clk_enable(udc->clk[i]);
1010}
1011
1012static void udc_clock_disable(struct mv_udc *udc)
1013{
1014 unsigned int i;
1015
1016 for (i = 0; i < udc->clknum; i++)
1017 clk_disable(udc->clk[i]);
1018}
1019
990static void udc_stop(struct mv_udc *udc) 1020static void udc_stop(struct mv_udc *udc)
991{ 1021{
992 u32 tmp; 1022 u32 tmp;
@@ -1877,18 +1907,15 @@ static void gadget_release(struct device *_dev)
1877 struct mv_udc *udc = the_controller; 1907 struct mv_udc *udc = the_controller;
1878 1908
1879 complete(udc->done); 1909 complete(udc->done);
1880 kfree(udc);
1881} 1910}
1882 1911
1883static int mv_udc_remove(struct platform_device *dev) 1912static int mv_udc_remove(struct platform_device *dev)
1884{ 1913{
1885 struct mv_udc *udc = the_controller; 1914 struct mv_udc *udc = the_controller;
1886 DECLARE_COMPLETION(done); 1915 int clk_i;
1887 1916
1888 usb_del_gadget_udc(&udc->gadget); 1917 usb_del_gadget_udc(&udc->gadget);
1889 1918
1890 udc->done = &done;
1891
1892 /* free memory allocated in probe */ 1919 /* free memory allocated in probe */
1893 if (udc->dtd_pool) 1920 if (udc->dtd_pool)
1894 dma_pool_destroy(udc->dtd_pool); 1921 dma_pool_destroy(udc->dtd_pool);
@@ -1915,10 +1942,14 @@ static int mv_udc_remove(struct platform_device *dev)
1915 kfree(udc->status_req); 1942 kfree(udc->status_req);
1916 } 1943 }
1917 1944
1945 for (clk_i = 0; clk_i <= udc->clknum; clk_i++)
1946 clk_put(udc->clk[clk_i]);
1947
1918 device_unregister(&udc->gadget.dev); 1948 device_unregister(&udc->gadget.dev);
1919 1949
1920 /* free dev, wait for the release() finished */ 1950 /* free dev, wait for the release() finished */
1921 wait_for_completion(&done); 1951 wait_for_completion(udc->done);
1952 kfree(udc);
1922 1953
1923 the_controller = NULL; 1954 the_controller = NULL;
1924 1955
@@ -1927,33 +1958,46 @@ static int mv_udc_remove(struct platform_device *dev)
1927 1958
1928int mv_udc_probe(struct platform_device *dev) 1959int mv_udc_probe(struct platform_device *dev)
1929{ 1960{
1961 struct mv_usb_platform_data *pdata = dev->dev.platform_data;
1930 struct mv_udc *udc; 1962 struct mv_udc *udc;
1931 int retval = 0; 1963 int retval = 0;
1964 int clk_i = 0;
1932 struct resource *r; 1965 struct resource *r;
1933 size_t size; 1966 size_t size;
1934 1967
1935 udc = kzalloc(sizeof *udc, GFP_KERNEL); 1968 if (pdata == NULL) {
1969 dev_err(&dev->dev, "missing platform_data\n");
1970 return -ENODEV;
1971 }
1972
1973 size = sizeof(*udc) + sizeof(struct clk *) * pdata->clknum;
1974 udc = kzalloc(size, GFP_KERNEL);
1936 if (udc == NULL) { 1975 if (udc == NULL) {
1937 dev_err(&dev->dev, "failed to allocate memory for udc\n"); 1976 dev_err(&dev->dev, "failed to allocate memory for udc\n");
1938 retval = -ENOMEM; 1977 return -ENOMEM;
1939 goto error;
1940 } 1978 }
1941 1979
1980 the_controller = udc;
1981 udc->done = &release_done;
1982 udc->pdata = dev->dev.platform_data;
1942 spin_lock_init(&udc->lock); 1983 spin_lock_init(&udc->lock);
1943 1984
1944 udc->dev = dev; 1985 udc->dev = dev;
1945 1986
1946 udc->clk = clk_get(&dev->dev, "U2OCLK"); 1987 udc->clknum = pdata->clknum;
1947 if (IS_ERR(udc->clk)) { 1988 for (clk_i = 0; clk_i < udc->clknum; clk_i++) {
1948 retval = PTR_ERR(udc->clk); 1989 udc->clk[clk_i] = clk_get(&dev->dev, pdata->clkname[clk_i]);
1949 goto error; 1990 if (IS_ERR(udc->clk[clk_i])) {
1991 retval = PTR_ERR(udc->clk[clk_i]);
1992 goto err_put_clk;
1993 }
1950 } 1994 }
1951 1995
1952 r = platform_get_resource_byname(udc->dev, IORESOURCE_MEM, "u2o"); 1996 r = platform_get_resource_byname(udc->dev, IORESOURCE_MEM, "capregs");
1953 if (r == NULL) { 1997 if (r == NULL) {
1954 dev_err(&dev->dev, "no I/O memory resource defined\n"); 1998 dev_err(&dev->dev, "no I/O memory resource defined\n");
1955 retval = -ENODEV; 1999 retval = -ENODEV;
1956 goto error; 2000 goto err_put_clk;
1957 } 2001 }
1958 2002
1959 udc->cap_regs = (struct mv_cap_regs __iomem *) 2003 udc->cap_regs = (struct mv_cap_regs __iomem *)
@@ -1961,29 +2005,31 @@ int mv_udc_probe(struct platform_device *dev)
1961 if (udc->cap_regs == NULL) { 2005 if (udc->cap_regs == NULL) {
1962 dev_err(&dev->dev, "failed to map I/O memory\n"); 2006 dev_err(&dev->dev, "failed to map I/O memory\n");
1963 retval = -EBUSY; 2007 retval = -EBUSY;
1964 goto error; 2008 goto err_put_clk;
1965 } 2009 }
1966 2010
1967 r = platform_get_resource_byname(udc->dev, IORESOURCE_MEM, "u2ophy"); 2011 r = platform_get_resource_byname(udc->dev, IORESOURCE_MEM, "phyregs");
1968 if (r == NULL) { 2012 if (r == NULL) {
1969 dev_err(&dev->dev, "no phy I/O memory resource defined\n"); 2013 dev_err(&dev->dev, "no phy I/O memory resource defined\n");
1970 retval = -ENODEV; 2014 retval = -ENODEV;
1971 goto error; 2015 goto err_iounmap_capreg;
1972 } 2016 }
1973 2017
1974 udc->phy_regs = (unsigned int)ioremap(r->start, resource_size(r)); 2018 udc->phy_regs = (unsigned int)ioremap(r->start, resource_size(r));
1975 if (udc->phy_regs == 0) { 2019 if (udc->phy_regs == 0) {
1976 dev_err(&dev->dev, "failed to map phy I/O memory\n"); 2020 dev_err(&dev->dev, "failed to map phy I/O memory\n");
1977 retval = -EBUSY; 2021 retval = -EBUSY;
1978 goto error; 2022 goto err_iounmap_capreg;
1979 } 2023 }
1980 2024
1981 /* we will acces controller register, so enable the clk */ 2025 /* we will acces controller register, so enable the clk */
1982 clk_enable(udc->clk); 2026 udc_clock_enable(udc);
1983 retval = mv_udc_phy_init(udc->phy_regs); 2027 if (pdata->phy_init) {
1984 if (retval) { 2028 retval = pdata->phy_init(udc->phy_regs);
1985 dev_err(&dev->dev, "phy initialization error %d\n", retval); 2029 if (retval) {
1986 goto error; 2030 dev_err(&dev->dev, "phy init error %d\n", retval);
2031 goto err_iounmap_phyreg;
2032 }
1987 } 2033 }
1988 2034
1989 udc->op_regs = (struct mv_op_regs __iomem *)((u32)udc->cap_regs 2035 udc->op_regs = (struct mv_op_regs __iomem *)((u32)udc->cap_regs
@@ -1999,7 +2045,7 @@ int mv_udc_probe(struct platform_device *dev)
1999 if (udc->ep_dqh == NULL) { 2045 if (udc->ep_dqh == NULL) {
2000 dev_err(&dev->dev, "allocate dQH memory failed\n"); 2046 dev_err(&dev->dev, "allocate dQH memory failed\n");
2001 retval = -ENOMEM; 2047 retval = -ENOMEM;
2002 goto error; 2048 goto err_disable_clock;
2003 } 2049 }
2004 udc->ep_dqh_size = size; 2050 udc->ep_dqh_size = size;
2005 2051
@@ -2012,7 +2058,7 @@ int mv_udc_probe(struct platform_device *dev)
2012 2058
2013 if (!udc->dtd_pool) { 2059 if (!udc->dtd_pool) {
2014 retval = -ENOMEM; 2060 retval = -ENOMEM;
2015 goto error; 2061 goto err_free_dma;
2016 } 2062 }
2017 2063
2018 size = udc->max_eps * sizeof(struct mv_ep) *2; 2064 size = udc->max_eps * sizeof(struct mv_ep) *2;
@@ -2020,7 +2066,7 @@ int mv_udc_probe(struct platform_device *dev)
2020 if (udc->eps == NULL) { 2066 if (udc->eps == NULL) {
2021 dev_err(&dev->dev, "allocate ep memory failed\n"); 2067 dev_err(&dev->dev, "allocate ep memory failed\n");
2022 retval = -ENOMEM; 2068 retval = -ENOMEM;
2023 goto error; 2069 goto err_destroy_dma;
2024 } 2070 }
2025 2071
2026 /* initialize ep0 status request structure */ 2072 /* initialize ep0 status request structure */
@@ -2028,7 +2074,7 @@ int mv_udc_probe(struct platform_device *dev)
2028 if (!udc->status_req) { 2074 if (!udc->status_req) {
2029 dev_err(&dev->dev, "allocate status_req memory failed\n"); 2075 dev_err(&dev->dev, "allocate status_req memory failed\n");
2030 retval = -ENOMEM; 2076 retval = -ENOMEM;
2031 goto error; 2077 goto err_free_eps;
2032 } 2078 }
2033 INIT_LIST_HEAD(&udc->status_req->queue); 2079 INIT_LIST_HEAD(&udc->status_req->queue);
2034 2080
@@ -2045,7 +2091,7 @@ int mv_udc_probe(struct platform_device *dev)
2045 if (r == NULL) { 2091 if (r == NULL) {
2046 dev_err(&dev->dev, "no IRQ resource defined\n"); 2092 dev_err(&dev->dev, "no IRQ resource defined\n");
2047 retval = -ENODEV; 2093 retval = -ENODEV;
2048 goto error; 2094 goto err_free_status_req;
2049 } 2095 }
2050 udc->irq = r->start; 2096 udc->irq = r->start;
2051 if (request_irq(udc->irq, mv_udc_irq, 2097 if (request_irq(udc->irq, mv_udc_irq,
@@ -2053,7 +2099,7 @@ int mv_udc_probe(struct platform_device *dev)
2053 dev_err(&dev->dev, "Request irq %d for UDC failed\n", 2099 dev_err(&dev->dev, "Request irq %d for UDC failed\n",
2054 udc->irq); 2100 udc->irq);
2055 retval = -ENODEV; 2101 retval = -ENODEV;
2056 goto error; 2102 goto err_free_status_req;
2057 } 2103 }
2058 2104
2059 /* initialize gadget structure */ 2105 /* initialize gadget structure */
@@ -2072,18 +2118,43 @@ int mv_udc_probe(struct platform_device *dev)
2072 2118
2073 retval = device_register(&udc->gadget.dev); 2119 retval = device_register(&udc->gadget.dev);
2074 if (retval) 2120 if (retval)
2075 goto error; 2121 goto err_free_irq;
2076 2122
2077 eps_init(udc); 2123 eps_init(udc);
2078 2124
2079 the_controller = udc;
2080
2081 retval = usb_add_gadget_udc(&dev->dev, &udc->gadget); 2125 retval = usb_add_gadget_udc(&dev->dev, &udc->gadget);
2082 if (!retval) 2126 if (retval)
2083 return retval; 2127 goto err_unregister;
2084error: 2128
2085 if (udc) 2129 return 0;
2086 mv_udc_remove(udc->dev); 2130
2131err_unregister:
2132 device_unregister(&udc->gadget.dev);
2133err_free_irq:
2134 free_irq(udc->irq, &dev->dev);
2135err_free_status_req:
2136 kfree(udc->status_req->req.buf);
2137 kfree(udc->status_req);
2138err_free_eps:
2139 kfree(udc->eps);
2140err_destroy_dma:
2141 dma_pool_destroy(udc->dtd_pool);
2142err_free_dma:
2143 dma_free_coherent(&dev->dev, udc->ep_dqh_size,
2144 udc->ep_dqh, udc->ep_dqh_dma);
2145err_disable_clock:
2146 if (udc->pdata->phy_deinit)
2147 udc->pdata->phy_deinit(udc->phy_regs);
2148 udc_clock_disable(udc);
2149err_iounmap_phyreg:
2150 iounmap((void *)udc->phy_regs);
2151err_iounmap_capreg:
2152 iounmap(udc->cap_regs);
2153err_put_clk:
2154 for (clk_i--; clk_i >= 0; clk_i--)
2155 clk_put(udc->clk[clk_i]);
2156 the_controller = NULL;
2157 kfree(udc);
2087 return retval; 2158 return retval;
2088} 2159}
2089 2160
@@ -2102,11 +2173,16 @@ static int mv_udc_resume(struct device *_dev)
2102 struct mv_udc *udc = the_controller; 2173 struct mv_udc *udc = the_controller;
2103 int retval; 2174 int retval;
2104 2175
2105 retval = mv_udc_phy_init(udc->phy_regs); 2176 if (udc->pdata->phy_init) {
2106 if (retval) { 2177 retval = udc->pdata->phy_init(udc->phy_regs);
2107 dev_err(_dev, "phy initialization error %d\n", retval); 2178 if (retval) {
2108 return retval; 2179 dev_err(&udc->dev->dev,
2180 "init phy error %d when resume back\n",
2181 retval);
2182 return retval;
2183 }
2109 } 2184 }
2185
2110 udc_reset(udc); 2186 udc_reset(udc);
2111 ep0_reset(udc); 2187 ep0_reset(udc);
2112 udc_start(udc); 2188 udc_start(udc);
diff --git a/drivers/usb/gadget/mv_udc_phy.c b/drivers/usb/gadget/mv_udc_phy.c
deleted file mode 100644
index d4dea97e38a5..000000000000
--- a/drivers/usb/gadget/mv_udc_phy.c
+++ /dev/null
@@ -1,214 +0,0 @@
1#include <linux/delay.h>
2#include <linux/timer.h>
3#include <linux/io.h>
4#include <linux/errno.h>
5
6#include <mach/cputype.h>
7
8#ifdef CONFIG_ARCH_MMP
9
10#define UTMI_REVISION 0x0
11#define UTMI_CTRL 0x4
12#define UTMI_PLL 0x8
13#define UTMI_TX 0xc
14#define UTMI_RX 0x10
15#define UTMI_IVREF 0x14
16#define UTMI_T0 0x18
17#define UTMI_T1 0x1c
18#define UTMI_T2 0x20
19#define UTMI_T3 0x24
20#define UTMI_T4 0x28
21#define UTMI_T5 0x2c
22#define UTMI_RESERVE 0x30
23#define UTMI_USB_INT 0x34
24#define UTMI_DBG_CTL 0x38
25#define UTMI_OTG_ADDON 0x3c
26
27/* For UTMICTRL Register */
28#define UTMI_CTRL_USB_CLK_EN (1 << 31)
29/* pxa168 */
30#define UTMI_CTRL_SUSPEND_SET1 (1 << 30)
31#define UTMI_CTRL_SUSPEND_SET2 (1 << 29)
32#define UTMI_CTRL_RXBUF_PDWN (1 << 24)
33#define UTMI_CTRL_TXBUF_PDWN (1 << 11)
34
35#define UTMI_CTRL_INPKT_DELAY_SHIFT 30
36#define UTMI_CTRL_INPKT_DELAY_SOF_SHIFT 28
37#define UTMI_CTRL_PU_REF_SHIFT 20
38#define UTMI_CTRL_ARC_PULLDN_SHIFT 12
39#define UTMI_CTRL_PLL_PWR_UP_SHIFT 1
40#define UTMI_CTRL_PWR_UP_SHIFT 0
41/* For UTMI_PLL Register */
42#define UTMI_PLL_CLK_BLK_EN_SHIFT 24
43#define UTMI_PLL_FBDIV_SHIFT 4
44#define UTMI_PLL_REFDIV_SHIFT 0
45#define UTMI_PLL_FBDIV_MASK 0x00000FF0
46#define UTMI_PLL_REFDIV_MASK 0x0000000F
47#define UTMI_PLL_ICP_MASK 0x00007000
48#define UTMI_PLL_KVCO_MASK 0x00031000
49#define UTMI_PLL_PLLCALI12_SHIFT 29
50#define UTMI_PLL_PLLCALI12_MASK (0x3 << 29)
51#define UTMI_PLL_PLLVDD18_SHIFT 27
52#define UTMI_PLL_PLLVDD18_MASK (0x3 << 27)
53#define UTMI_PLL_PLLVDD12_SHIFT 25
54#define UTMI_PLL_PLLVDD12_MASK (0x3 << 25)
55#define UTMI_PLL_KVCO_SHIFT 15
56#define UTMI_PLL_ICP_SHIFT 12
57/* For UTMI_TX Register */
58#define UTMI_TX_REG_EXT_FS_RCAL_SHIFT 27
59#define UTMI_TX_REG_EXT_FS_RCAL_MASK (0xf << 27)
60#define UTMI_TX_REG_EXT_FS_RCAL_EN_MASK 26
61#define UTMI_TX_REG_EXT_FS_RCAL_EN (0x1 << 26)
62#define UTMI_TX_LOW_VDD_EN_SHIFT 11
63#define UTMI_TX_IMPCAL_VTH_SHIFT 14
64#define UTMI_TX_IMPCAL_VTH_MASK (0x7 << 14)
65#define UTMI_TX_CK60_PHSEL_SHIFT 17
66#define UTMI_TX_CK60_PHSEL_MASK (0xf << 17)
67#define UTMI_TX_TXVDD12_SHIFT 22
68#define UTMI_TX_TXVDD12_MASK (0x3 << 22)
69#define UTMI_TX_AMP_SHIFT 0
70#define UTMI_TX_AMP_MASK (0x7 << 0)
71/* For UTMI_RX Register */
72#define UTMI_RX_SQ_THRESH_SHIFT 4
73#define UTMI_RX_SQ_THRESH_MASK (0xf << 4)
74#define UTMI_REG_SQ_LENGTH_SHIFT 15
75#define UTMI_REG_SQ_LENGTH_MASK (0x3 << 15)
76
77#define REG_RCAL_START 0x00001000
78#define VCOCAL_START 0x00200000
79#define KVCO_EXT 0x00400000
80#define PLL_READY 0x00800000
81#define CLK_BLK_EN 0x01000000
82#endif
83
84static unsigned int u2o_read(unsigned int base, unsigned int offset)
85{
86 return readl(base + offset);
87}
88
89static void u2o_set(unsigned int base, unsigned int offset, unsigned int value)
90{
91 unsigned int reg;
92
93 reg = readl(base + offset);
94 reg |= value;
95 writel(reg, base + offset);
96 readl(base + offset);
97}
98
99static void u2o_clear(unsigned int base, unsigned int offset,
100 unsigned int value)
101{
102 unsigned int reg;
103
104 reg = readl(base + offset);
105 reg &= ~value;
106 writel(reg, base + offset);
107 readl(base + offset);
108}
109
110static void u2o_write(unsigned int base, unsigned int offset,
111 unsigned int value)
112{
113 writel(value, base + offset);
114 readl(base + offset);
115}
116
117#ifdef CONFIG_ARCH_MMP
118int mv_udc_phy_init(unsigned int base)
119{
120 unsigned long timeout;
121
122 /* Initialize the USB PHY power */
123 if (cpu_is_pxa910()) {
124 u2o_set(base, UTMI_CTRL, (1 << UTMI_CTRL_INPKT_DELAY_SOF_SHIFT)
125 | (1 << UTMI_CTRL_PU_REF_SHIFT));
126 }
127
128 u2o_set(base, UTMI_CTRL, 1 << UTMI_CTRL_PLL_PWR_UP_SHIFT);
129 u2o_set(base, UTMI_CTRL, 1 << UTMI_CTRL_PWR_UP_SHIFT);
130
131 /* UTMI_PLL settings */
132 u2o_clear(base, UTMI_PLL, UTMI_PLL_PLLVDD18_MASK
133 | UTMI_PLL_PLLVDD12_MASK | UTMI_PLL_PLLCALI12_MASK
134 | UTMI_PLL_FBDIV_MASK | UTMI_PLL_REFDIV_MASK
135 | UTMI_PLL_ICP_MASK | UTMI_PLL_KVCO_MASK);
136
137 u2o_set(base, UTMI_PLL, (0xee << UTMI_PLL_FBDIV_SHIFT)
138 | (0xb << UTMI_PLL_REFDIV_SHIFT)
139 | (3 << UTMI_PLL_PLLVDD18_SHIFT)
140 | (3 << UTMI_PLL_PLLVDD12_SHIFT)
141 | (3 << UTMI_PLL_PLLCALI12_SHIFT)
142 | (1 << UTMI_PLL_ICP_SHIFT) | (3 << UTMI_PLL_KVCO_SHIFT));
143
144 /* UTMI_TX */
145 u2o_clear(base, UTMI_TX, UTMI_TX_REG_EXT_FS_RCAL_EN_MASK
146 | UTMI_TX_TXVDD12_MASK
147 | UTMI_TX_CK60_PHSEL_MASK | UTMI_TX_IMPCAL_VTH_MASK
148 | UTMI_TX_REG_EXT_FS_RCAL_MASK | UTMI_TX_AMP_MASK);
149 u2o_set(base, UTMI_TX, (3 << UTMI_TX_TXVDD12_SHIFT)
150 | (4 << UTMI_TX_CK60_PHSEL_SHIFT)
151 | (4 << UTMI_TX_IMPCAL_VTH_SHIFT)
152 | (8 << UTMI_TX_REG_EXT_FS_RCAL_SHIFT)
153 | (3 << UTMI_TX_AMP_SHIFT));
154
155 /* UTMI_RX */
156 u2o_clear(base, UTMI_RX, UTMI_RX_SQ_THRESH_MASK
157 | UTMI_REG_SQ_LENGTH_MASK);
158 if (cpu_is_pxa168())
159 u2o_set(base, UTMI_RX, (7 << UTMI_RX_SQ_THRESH_SHIFT)
160 | (2 << UTMI_REG_SQ_LENGTH_SHIFT));
161 else
162 u2o_set(base, UTMI_RX, (0x7 << UTMI_RX_SQ_THRESH_SHIFT)
163 | (2 << UTMI_REG_SQ_LENGTH_SHIFT));
164
165 /* UTMI_IVREF */
166 if (cpu_is_pxa168())
167 /*
168 * fixing Microsoft Altair board interface with NEC hub issue -
169 * Set UTMI_IVREF from 0x4a3 to 0x4bf
170 */
171 u2o_write(base, UTMI_IVREF, 0x4bf);
172
173 /* calibrate */
174 timeout = jiffies + 100;
175 while ((u2o_read(base, UTMI_PLL) & PLL_READY) == 0) {
176 if (time_after(jiffies, timeout))
177 return -ETIME;
178 cpu_relax();
179 }
180
181 /* toggle VCOCAL_START bit of UTMI_PLL */
182 udelay(200);
183 u2o_set(base, UTMI_PLL, VCOCAL_START);
184 udelay(40);
185 u2o_clear(base, UTMI_PLL, VCOCAL_START);
186
187 /* toggle REG_RCAL_START bit of UTMI_TX */
188 udelay(200);
189 u2o_set(base, UTMI_TX, REG_RCAL_START);
190 udelay(40);
191 u2o_clear(base, UTMI_TX, REG_RCAL_START);
192 udelay(200);
193
194 /* make sure phy is ready */
195 timeout = jiffies + 100;
196 while ((u2o_read(base, UTMI_PLL) & PLL_READY) == 0) {
197 if (time_after(jiffies, timeout))
198 return -ETIME;
199 cpu_relax();
200 }
201
202 if (cpu_is_pxa168()) {
203 u2o_set(base, UTMI_RESERVE, 1 << 5);
204 /* Turn on UTMI PHY OTG extension */
205 u2o_write(base, UTMI_OTG_ADDON, 1);
206 }
207 return 0;
208}
209#else
210int mv_udc_phy_init(unsigned int base)
211{
212 return 0;
213}
214#endif
diff --git a/include/linux/platform_data/mv_usb.h b/include/linux/platform_data/mv_usb.h
new file mode 100644
index 000000000000..e9d9149ddf38
--- /dev/null
+++ b/include/linux/platform_data/mv_usb.h
@@ -0,0 +1,50 @@
1/*
2 * Copyright (C) 2011 Marvell International Ltd. All rights reserved.
3 *
4 * This program is free software; you can redistribute it and/or modify it
5 * under the terms of the GNU General Public License as published by the
6 * Free Software Foundation; either version 2 of the License, or (at your
7 * option) any later version.
8 */
9
10#ifndef __MV_PLATFORM_USB_H
11#define __MV_PLATFORM_USB_H
12
13enum pxa_ehci_type {
14 EHCI_UNDEFINED = 0,
15 PXA_U2OEHCI, /* pxa 168, 9xx */
16 PXA_SPH, /* pxa 168, 9xx SPH */
17 MMP3_HSIC, /* mmp3 hsic */
18 MMP3_FSIC, /* mmp3 fsic */
19};
20
21enum {
22 MV_USB_MODE_OTG,
23 MV_USB_MODE_HOST,
24};
25
26enum {
27 VBUS_LOW = 0,
28 VBUS_HIGH = 1 << 0,
29};
30
31struct mv_usb_addon_irq {
32 unsigned int irq;
33 int (*poll)(void);
34};
35
36struct mv_usb_platform_data {
37 unsigned int clknum;
38 char **clkname;
39 struct mv_usb_addon_irq *id; /* Only valid for OTG. ID pin change*/
40 struct mv_usb_addon_irq *vbus; /* valid for OTG/UDC. VBUS change*/
41
42 /* only valid for HCD. OTG or Host only*/
43 unsigned int mode;
44
45 int (*phy_init)(unsigned int regbase);
46 void (*phy_deinit)(unsigned int regbase);
47 int (*set_vbus)(unsigned int vbus);
48};
49
50#endif
generated by cgit v1.2.2 (git 2.25.0) at 2026-04-04 13:14:28 -0400