diff --git a/drivers/usb/gadget/at91_udc.c b/drivers/usb/gadget/at91_udc.c
index 3e0abbb..812c733 100644
--- a/drivers/usb/gadget/at91_udc.c
+++ b/drivers/usb/gadget/at91_udc.c
@@ -43,14 +43,16 @@
#include <linux/usb_gadget.h>
#include <asm/byteorder.h>
+#include <asm/hardware.h>
#include <asm/io.h>
#include <asm/irq.h>
#include <asm/system.h>
#include <asm/mach-types.h>
-#include <asm/arch/hardware.h>
#include <asm/arch/gpio.h>
#include <asm/arch/board.h>
+#include <asm/arch/cpu.h>
+#include <asm/arch/at91sam9261_matrix.h>
#include "at91_udc.h"
@@ -78,27 +80,11 @@
static const char driver_name [] = "at91_udc";
static const char ep0name[] = "ep0";
-/*-------------------------------------------------------------------------*/
-/*
- * Read from a UDP register.
- */
-static inline unsigned long at91_udp_read(unsigned int reg)
-{
- void __iomem *udp_base = (void __iomem *)AT91_VA_BASE_UDP;
-
- return __raw_readl(udp_base + reg);
-}
-
-/*
- * Write to a UDP register.
- */
-static inline void at91_udp_write(unsigned int reg, unsigned long value)
-{
- void __iomem *udp_base = (void __iomem *)AT91_VA_BASE_UDP;
-
- __raw_writel(value, udp_base + reg);
-}
+#define at91_udp_read(dev, reg) \
+ __raw_readl((dev)->udp_baseaddr + (reg))
+#define at91_udp_write(dev, reg, val) \
+ __raw_writel((val), (dev)->udp_baseaddr + (reg))
/*-------------------------------------------------------------------------*/
@@ -210,13 +196,13 @@ static int proc_udc_show(struct seq_file *s, void *unused)
return 0;
}
- tmp = at91_udp_read(AT91_UDP_FRM_NUM);
+ tmp = at91_udp_read(udc, AT91_UDP_FRM_NUM);
seq_printf(s, "frame %05x:%s%s frame=%d\n", tmp,
(tmp & AT91_UDP_FRM_OK) ? " ok" : "",
(tmp & AT91_UDP_FRM_ERR) ? " err" : "",
(tmp & AT91_UDP_NUM));
- tmp = at91_udp_read(AT91_UDP_GLB_STAT);
+ tmp = at91_udp_read(udc, AT91_UDP_GLB_STAT);
seq_printf(s, "glbstate %02x:%s" FOURBITS "\n", tmp,
(tmp & AT91_UDP_RMWUPE) ? " rmwupe" : "",
(tmp & AT91_UDP_RSMINPR) ? " rsminpr" : "",
@@ -224,13 +210,13 @@ static int proc_udc_show(struct seq_file *s, void *unused)
(tmp & AT91_UDP_CONFG) ? " confg" : "",
(tmp & AT91_UDP_FADDEN) ? " fadden" : "");
- tmp = at91_udp_read(AT91_UDP_FADDR);
+ tmp = at91_udp_read(udc, AT91_UDP_FADDR);
seq_printf(s, "faddr %03x:%s fadd=%d\n", tmp,
(tmp & AT91_UDP_FEN) ? " fen" : "",
(tmp & AT91_UDP_FADD));
- proc_irq_show(s, "imr ", at91_udp_read(AT91_UDP_IMR));
- proc_irq_show(s, "isr ", at91_udp_read(AT91_UDP_ISR));
+ proc_irq_show(s, "imr ", at91_udp_read(udc, AT91_UDP_IMR));
+ proc_irq_show(s, "isr ", at91_udp_read(udc, AT91_UDP_ISR));
if (udc->enabled && udc->vbus) {
proc_ep_show(s, &udc->ep[0]);
@@ -286,6 +272,7 @@ static inline void remove_debug_file(struct at91_udc *udc) {}
static void done(struct at91_ep *ep, struct at91_request *req, int status)
{
unsigned stopped = ep->stopped;
+ struct at91_udc *udc = ep->udc;
list_del_init(&req->queue);
if (req->req.status == -EINPROGRESS)
@@ -301,7 +288,7 @@ static void done(struct at91_ep *ep, struct at91_request *req, int status)
/* ep0 is always ready; other endpoints need a non-empty queue */
if (list_empty(&ep->queue) && ep->int_mask != (1 << 0))
- at91_udp_write(AT91_UDP_IDR, ep->int_mask);
+ at91_udp_write(udc, AT91_UDP_IDR, ep->int_mask);
}
/*-------------------------------------------------------------------------*/
@@ -554,8 +541,8 @@ ok:
* reset/init endpoint fifo. NOTE: leaves fifo_bank alone,
* since endpoint resets don't reset hw pingpong state.
*/
- at91_udp_write(AT91_UDP_RST_EP, ep->int_mask);
- at91_udp_write(AT91_UDP_RST_EP, 0);
+ at91_udp_write(dev, AT91_UDP_RST_EP, ep->int_mask);
+ at91_udp_write(dev, AT91_UDP_RST_EP, 0);
local_irq_restore(flags);
return 0;
@@ -564,6 +551,7 @@ ok:
static int at91_ep_disable (struct usb_ep * _ep)
{
struct at91_ep *ep = container_of(_ep, struct at91_ep, ep);
+ struct at91_udc *udc = ep->udc;
unsigned long flags;
if (ep == &ep->udc->ep[0])
@@ -579,8 +567,8 @@ static int at91_ep_disable (struct usb_ep * _ep)
/* reset fifos and endpoint */
if (ep->udc->clocked) {
- at91_udp_write(AT91_UDP_RST_EP, ep->int_mask);
- at91_udp_write(AT91_UDP_RST_EP, 0);
+ at91_udp_write(udc, AT91_UDP_RST_EP, ep->int_mask);
+ at91_udp_write(udc, AT91_UDP_RST_EP, 0);
__raw_writel(0, ep->creg);
}
@@ -695,10 +683,10 @@ static int at91_ep_queue(struct usb_ep *_ep,
* reconfigures the endpoints.
*/
if (dev->wait_for_config_ack) {
- tmp = at91_udp_read(AT91_UDP_GLB_STAT);
+ tmp = at91_udp_read(dev, AT91_UDP_GLB_STAT);
tmp ^= AT91_UDP_CONFG;
VDBG("toggle config\n");
- at91_udp_write(AT91_UDP_GLB_STAT, tmp);
+ at91_udp_write(dev, AT91_UDP_GLB_STAT, tmp);
}
if (req->req.length == 0) {
ep0_in_status:
@@ -727,7 +715,7 @@ ep0_in_status:
if (req && !status) {
list_add_tail (&req->queue, &ep->queue);
- at91_udp_write(AT91_UDP_IER, ep->int_mask);
+ at91_udp_write(dev, AT91_UDP_IER, ep->int_mask);
}
done:
local_irq_restore(flags);
@@ -758,6 +746,7 @@ static int at91_ep_dequeue(struct usb_ep *_ep, struct usb_request *_req)
static int at91_ep_set_halt(struct usb_ep *_ep, int value)
{
struct at91_ep *ep = container_of(_ep, struct at91_ep, ep);
+ struct at91_udc *udc = ep->udc;
u32 __iomem *creg;
u32 csr;
unsigned long flags;
@@ -785,8 +774,8 @@ static int at91_ep_set_halt(struct usb_ep *_ep, int value)
csr |= AT91_UDP_FORCESTALL;
VDBG("halt %s\n", ep->ep.name);
} else {
- at91_udp_write(AT91_UDP_RST_EP, ep->int_mask);
- at91_udp_write(AT91_UDP_RST_EP, 0);
+ at91_udp_write(udc, AT91_UDP_RST_EP, ep->int_mask);
+ at91_udp_write(udc, AT91_UDP_RST_EP, 0);
csr &= ~AT91_UDP_FORCESTALL;
}
__raw_writel(csr, creg);
@@ -813,9 +802,11 @@ static struct usb_ep_ops at91_ep_ops = {
static int at91_get_frame(struct usb_gadget *gadget)
{
+ struct at91_udc *udc = to_udc(gadget);
+
if (!to_udc(gadget)->clocked)
return -EINVAL;
- return at91_udp_read(AT91_UDP_FRM_NUM) & AT91_UDP_NUM;
+ return at91_udp_read(udc, AT91_UDP_FRM_NUM) & AT91_UDP_NUM;
}
static int at91_wakeup(struct usb_gadget *gadget)
@@ -833,11 +824,11 @@ static int at91_wakeup(struct usb_gadget *gadget)
/* NOTE: some "early versions" handle ESR differently ... */
- glbstate = at91_udp_read(AT91_UDP_GLB_STAT);
+ glbstate = at91_udp_read(udc, AT91_UDP_GLB_STAT);
if (!(glbstate & AT91_UDP_ESR))
goto done;
glbstate |= AT91_UDP_ESR;
- at91_udp_write(AT91_UDP_GLB_STAT, glbstate);
+ at91_udp_write(udc, AT91_UDP_GLB_STAT, glbstate);
done:
local_irq_restore(flags);
@@ -861,6 +852,7 @@ static void udc_reinit(struct at91_udc *udc)
ep->stopped = 0;
ep->fifo_bank = 0;
ep->ep.maxpacket = ep->maxpacket;
+ ep->creg = (void __iomem *) udc->udp_baseaddr + AT91_UDP_CSR(i);
// initialiser une queue par endpoint
INIT_LIST_HEAD(&ep->queue);
}
@@ -915,14 +907,41 @@ static void pullup(struct at91_udc *udc, int is_on)
if (!udc->enabled || !udc->vbus)
is_on = 0;
DBG("%sactive\n", is_on ? "" : "in");
+
if (is_on) {
clk_on(udc);
- at91_udp_write(AT91_UDP_TXVC, 0);
- at91_set_gpio_value(udc->board.pullup_pin, 1);
- } else {
+ at91_udp_write(udc, AT91_UDP_TXVC, 0);
+ if (cpu_is_at91rm9200())
+ at91_set_gpio_value(udc->board.pullup_pin, 1);
+ else if (cpu_is_at91sam9260()) {
+ u32 txvc = at91_udp_read(udc, AT91_UDP_TXVC);
+
+ txvc |= AT91_UDP_TXVC_PUON;
+ at91_udp_write(udc, AT91_UDP_TXVC, txvc);
+ } else if (cpu_is_at91sam9261()) {
+ u32 usbpucr;
+
+ usbpucr = at91_sys_read(AT91_MATRIX_USBPUCR);
+ usbpucr |= AT91_MATRIX_USBPUCR_PUON;
+ at91_sys_write(AT91_MATRIX_USBPUCR, usbpucr);
+ }
+ } else {
stop_activity(udc);
- at91_udp_write(AT91_UDP_TXVC, AT91_UDP_TXVC_TXVDIS);
- at91_set_gpio_value(udc->board.pullup_pin, 0);
+ at91_udp_write(udc, AT91_UDP_TXVC, AT91_UDP_TXVC_TXVDIS);
+ if (cpu_is_at91rm9200())
+ at91_set_gpio_value(udc->board.pullup_pin, 0);
+ else if (cpu_is_at91sam9260()) {
+ u32 txvc = at91_udp_read(udc, AT91_UDP_TXVC);
+
+ txvc &= ~AT91_UDP_TXVC_PUON;
+ at91_udp_write(udc, AT91_UDP_TXVC, txvc);
+ } else if (cpu_is_at91sam9261()) {
+ u32 usbpucr;
+
+ usbpucr = at91_sys_read(AT91_MATRIX_USBPUCR);
+ usbpucr &= ~AT91_MATRIX_USBPUCR_PUON;
+ at91_sys_write(AT91_MATRIX_USBPUCR, usbpucr);
+ }
clk_off(udc);
}
}
@@ -936,7 +955,10 @@ static int at91_vbus_session(struct usb_gadget *gadget, int is_active)
// VDBG("vbus %s\n", is_active ? "on" : "off");
local_irq_save(flags);
udc->vbus = (is_active != 0);
- pullup(udc, is_active);
+ if (udc->driver)
+ pullup(udc, is_active);
+ else
+ pullup(udc, 0);
local_irq_restore(flags);
return 0;
}
@@ -1086,7 +1108,7 @@ static void handle_setup(struct at91_udc *udc, struct at91_ep *ep, u32 csr)
case ((USB_TYPE_STANDARD|USB_RECIP_DEVICE) << 8)
| USB_REQ_SET_CONFIGURATION:
- tmp = at91_udp_read(AT91_UDP_GLB_STAT) & AT91_UDP_CONFG;
+ tmp = at91_udp_read(udc, AT91_UDP_GLB_STAT) & AT91_UDP_CONFG;
if (pkt.r.wValue)
udc->wait_for_config_ack = (tmp == 0);
else
@@ -1103,7 +1125,7 @@ static void handle_setup(struct at91_udc *udc, struct at91_ep *ep, u32 csr)
case ((USB_DIR_IN|USB_TYPE_STANDARD|USB_RECIP_DEVICE) << 8)
| USB_REQ_GET_STATUS:
tmp = (udc->selfpowered << USB_DEVICE_SELF_POWERED);
- if (at91_udp_read(AT91_UDP_GLB_STAT) & AT91_UDP_ESR)
+ if (at91_udp_read(udc, AT91_UDP_GLB_STAT) & AT91_UDP_ESR)
tmp |= (1 << USB_DEVICE_REMOTE_WAKEUP);
PACKET("get device status\n");
__raw_writeb(tmp, dreg);
@@ -1114,17 +1136,17 @@ static void handle_setup(struct at91_udc *udc, struct at91_ep *ep, u32 csr)
| USB_REQ_SET_FEATURE:
if (w_value != USB_DEVICE_REMOTE_WAKEUP)
goto stall;
- tmp = at91_udp_read(AT91_UDP_GLB_STAT);
+ tmp = at91_udp_read(udc, AT91_UDP_GLB_STAT);
tmp |= AT91_UDP_ESR;
- at91_udp_write(AT91_UDP_GLB_STAT, tmp);
+ at91_udp_write(udc, AT91_UDP_GLB_STAT, tmp);
goto succeed;
case ((USB_TYPE_STANDARD|USB_RECIP_DEVICE) << 8)
| USB_REQ_CLEAR_FEATURE:
if (w_value != USB_DEVICE_REMOTE_WAKEUP)
goto stall;
- tmp = at91_udp_read(AT91_UDP_GLB_STAT);
+ tmp = at91_udp_read(udc, AT91_UDP_GLB_STAT);
tmp &= ~AT91_UDP_ESR;
- at91_udp_write(AT91_UDP_GLB_STAT, tmp);
+ at91_udp_write(udc, AT91_UDP_GLB_STAT, tmp);
goto succeed;
/*
@@ -1206,8 +1228,8 @@ static void handle_setup(struct at91_udc *udc, struct at91_ep *ep, u32 csr)
} else if (ep->is_in)
goto stall;
- at91_udp_write(AT91_UDP_RST_EP, ep->int_mask);
- at91_udp_write(AT91_UDP_RST_EP, 0);
+ at91_udp_write(udc, AT91_UDP_RST_EP, ep->int_mask);
+ at91_udp_write(udc, AT91_UDP_RST_EP, 0);
tmp = __raw_readl(ep->creg);
tmp |= CLR_FX;
tmp &= ~(SET_FX | AT91_UDP_FORCESTALL);
@@ -1222,7 +1244,10 @@ static void handle_setup(struct at91_udc *udc, struct at91_ep *ep, u32 csr)
#undef w_length
/* pass request up to the gadget driver */
- status = udc->driver->setup(&udc->gadget, &pkt.r);
+ if (udc->driver)
+ status = udc->driver->setup(&udc->gadget, &pkt.r);