diff options
| author | Jim Lin <jilin@nvidia.com> | 2013-03-27 00:52:32 +0000 |
|---|---|---|
| committer | Marek Vasut <marex@denx.de> | 2013-05-05 23:46:41 +0200 |
| commit | b068deb363e34a72754877d3d8c7a71a5bc834db (patch) | |
| tree | a715cd076fb6422d9d8922ba42cf9c2847e75c68 /drivers/usb | |
| parent | 5ed6f447af60aabd2669d913f673793c1ce48f47 (diff) | |
| download | u-boot-imx-b068deb363e34a72754877d3d8c7a71a5bc834db.zip u-boot-imx-b068deb363e34a72754877d3d8c7a71a5bc834db.tar.gz u-boot-imx-b068deb363e34a72754877d3d8c7a71a5bc834db.tar.bz2 | |
USB: EHCI: Add weak functions to support new chip
Add ehci_get_port_speed() and ehci_set_usbmode() weak functions
for platform driver to support new chip.
Signed-off-by: Jim Lin <jilin@nvidia.com>
Diffstat (limited to 'drivers/usb')
| -rw-r--r-- | drivers/usb/host/ehci-hcd.c | 40 |
1 files changed, 28 insertions, 12 deletions
diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c index c816878..6a55cd2 100644 --- a/drivers/usb/host/ehci-hcd.c +++ b/drivers/usb/host/ehci-hcd.c @@ -122,6 +122,31 @@ static struct descriptor { #define ehci_is_TDI() (0) #endif +int __ehci_get_port_speed(struct ehci_hcor *hcor, uint32_t reg) +{ + return PORTSC_PSPD(reg); +} + +int ehci_get_port_speed(struct ehci_hcor *hcor, uint32_t reg) + __attribute__((weak, alias("__ehci_get_port_speed"))); + +void __ehci_set_usbmode(int index) +{ + uint32_t tmp; + uint32_t *reg_ptr; + + reg_ptr = (uint32_t *)((u8 *)&ehcic[index].hcor->or_usbcmd + USBMODE); + tmp = ehci_readl(reg_ptr); + tmp |= USBMODE_CM_HC; +#if defined(CONFIG_EHCI_MMIO_BIG_ENDIAN) + tmp |= USBMODE_BE; +#endif + ehci_writel(reg_ptr, tmp); +} + +void ehci_set_usbmode(int index) + __attribute__((weak, alias("__ehci_set_usbmode"))); + void __ehci_powerup_fixup(uint32_t *status_reg, uint32_t *reg) { mdelay(50); @@ -149,8 +174,6 @@ static int handshake(uint32_t *ptr, uint32_t mask, uint32_t done, int usec) static int ehci_reset(int index) { uint32_t cmd; - uint32_t tmp; - uint32_t *reg_ptr; int ret = 0; cmd = ehci_readl(&ehcic[index].hcor->or_usbcmd); @@ -163,15 +186,8 @@ static int ehci_reset(int index) goto out; } - if (ehci_is_TDI()) { - reg_ptr = (uint32_t *)((u8 *)ehcic[index].hcor + USBMODE); - tmp = ehci_readl(reg_ptr); - tmp |= USBMODE_CM_HC; -#if defined(CONFIG_EHCI_MMIO_BIG_ENDIAN) - tmp |= USBMODE_BE; -#endif - ehci_writel(reg_ptr, tmp); - } + if (ehci_is_TDI()) + ehci_set_usbmode(index); #ifdef CONFIG_USB_EHCI_TXFIFO_THRESH cmd = ehci_readl(&ehcic[index].hcor->or_txfilltuning); @@ -711,7 +727,7 @@ ehci_submit_root(struct usb_device *dev, unsigned long pipe, void *buffer, tmpbuf[1] |= USB_PORT_STAT_POWER >> 8; if (ehci_is_TDI()) { - switch (PORTSC_PSPD(reg)) { + switch (ehci_get_port_speed(ctrl->hcor, reg)) { case PORTSC_PSPD_FS: break; case PORTSC_PSPD_LS: |