summaryrefslogtreecommitdiff
path: root/drivers
diff options
context:
space:
mode:
Diffstat (limited to 'drivers')
-rw-r--r--drivers/usb/gadget/fotg210.c15
-rw-r--r--drivers/usb/host/ehci-exynos.c41
-rw-r--r--drivers/video/ipu_regs.h4
3 files changed, 58 insertions, 2 deletions
diff --git a/drivers/usb/gadget/fotg210.c b/drivers/usb/gadget/fotg210.c
index 6e19db1..3acf6a1 100644
--- a/drivers/usb/gadget/fotg210.c
+++ b/drivers/usb/gadget/fotg210.c
@@ -245,6 +245,7 @@ static int fotg210_dma(struct fotg210_ep *ep, struct fotg210_request *req)
if (ep->id == 0) {
/* Wait until cx/ep0 fifo empty */
fotg210_cxwait(chip, CXFIFO_CXFIFOE);
+ udelay(1);
writel(DMAFIFO_CX, &regs->dma_fifo);
} else {
/* Wait until epx fifo empty */
@@ -847,6 +848,13 @@ int usb_gadget_handle_interrupts(void)
/* CX interrupts */
if (gisr & GISR_GRP0) {
st = readl(&regs->gisr0);
+ /*
+ * Write 1 and then 0 works for both W1C & RW.
+ *
+ * HW v1.11.0+: It's a W1C register (write 1 clear)
+ * HW v1.10.0-: It's a R/W register (write 0 clear)
+ */
+ writel(st & GISR0_CXABORT, &regs->gisr0);
writel(0, &regs->gisr0);
if (st & GISR0_CXERR)
@@ -873,6 +881,13 @@ int usb_gadget_handle_interrupts(void)
/* Device Status Interrupts */
if (gisr & GISR_GRP2) {
st = readl(&regs->gisr2);
+ /*
+ * Write 1 and then 0 works for both W1C & RW.
+ *
+ * HW v1.11.0+: It's a W1C register (write 1 clear)
+ * HW v1.10.0-: It's a R/W register (write 0 clear)
+ */
+ writel(st, &regs->gisr2);
writel(0, &regs->gisr2);
if (st & GISR2_RESET)
diff --git a/drivers/usb/host/ehci-exynos.c b/drivers/usb/host/ehci-exynos.c
index 66b4de0..9356878 100644
--- a/drivers/usb/host/ehci-exynos.c
+++ b/drivers/usb/host/ehci-exynos.c
@@ -88,6 +88,8 @@ static int exynos_usb_parse_dt(const void *blob, struct exynos_ehci *exynos)
/* Setup the EHCI host controller. */
static void setup_usb_phy(struct exynos_usb_phy *usb)
{
+ u32 hsic_ctrl;
+
set_usbhost_mode(USB20_PHY_CFG_HOST_LINK_EN);
set_usbhost_phy_ctrl(POWER_USB_HOST_PHY_CTRL_EN);
@@ -112,6 +114,32 @@ static void setup_usb_phy(struct exynos_usb_phy *usb)
clrbits_le32(&usb->usbphyctrl0,
HOST_CTRL0_LINKSWRST |
HOST_CTRL0_UTMISWRST);
+
+ /* HSIC Phy Setting */
+ hsic_ctrl = (HSIC_CTRL_FORCESUSPEND |
+ HSIC_CTRL_FORCESLEEP |
+ HSIC_CTRL_SIDDQ);
+
+ clrbits_le32(&usb->hsicphyctrl1, hsic_ctrl);
+ clrbits_le32(&usb->hsicphyctrl2, hsic_ctrl);
+
+ hsic_ctrl = (((HSIC_CTRL_REFCLKDIV_12 & HSIC_CTRL_REFCLKDIV_MASK)
+ << HSIC_CTRL_REFCLKDIV_SHIFT)
+ | ((HSIC_CTRL_REFCLKSEL & HSIC_CTRL_REFCLKSEL_MASK)
+ << HSIC_CTRL_REFCLKSEL_SHIFT)
+ | HSIC_CTRL_UTMISWRST);
+
+ setbits_le32(&usb->hsicphyctrl1, hsic_ctrl);
+ setbits_le32(&usb->hsicphyctrl2, hsic_ctrl);
+
+ udelay(10);
+
+ clrbits_le32(&usb->hsicphyctrl1, HSIC_CTRL_PHYSWRST |
+ HSIC_CTRL_UTMISWRST);
+
+ clrbits_le32(&usb->hsicphyctrl2, HSIC_CTRL_PHYSWRST |
+ HSIC_CTRL_UTMISWRST);
+
udelay(20);
/* EHCI Ctrl setting */
@@ -125,6 +153,8 @@ static void setup_usb_phy(struct exynos_usb_phy *usb)
/* Reset the EHCI host controller. */
static void reset_usb_phy(struct exynos_usb_phy *usb)
{
+ u32 hsic_ctrl;
+
/* HOST_PHY reset */
setbits_le32(&usb->usbphyctrl0,
HOST_CTRL0_PHYSWRST |
@@ -133,6 +163,15 @@ static void reset_usb_phy(struct exynos_usb_phy *usb)
HOST_CTRL0_FORCESUSPEND |
HOST_CTRL0_FORCESLEEP);
+ /* HSIC Phy reset */
+ hsic_ctrl = (HSIC_CTRL_FORCESUSPEND |
+ HSIC_CTRL_FORCESLEEP |
+ HSIC_CTRL_SIDDQ |
+ HSIC_CTRL_PHYSWRST);
+
+ setbits_le32(&usb->hsicphyctrl1, hsic_ctrl);
+ setbits_le32(&usb->hsicphyctrl2, hsic_ctrl);
+
set_usbhost_phy_ctrl(POWER_USB_HOST_PHY_CTRL_DISABLE);
}
@@ -164,6 +203,8 @@ int ehci_hcd_init(int index, enum usb_init_type init,
setup_usb_phy(ctx->usb);
+ board_usb_init(index, init);
+
*hccr = ctx->hcd;
*hcor = (struct ehci_hcor *)((uint32_t) *hccr
+ HC_LENGTH(ehci_readl(&(*hccr)->cr_capbase)));
diff --git a/drivers/video/ipu_regs.h b/drivers/video/ipu_regs.h
index 73e57ea..21e9c99 100644
--- a/drivers/video/ipu_regs.h
+++ b/drivers/video/ipu_regs.h
@@ -171,7 +171,7 @@ struct ipu_cm {
u32 gpr;
u32 reserved0[26];
u32 ch_db_mode_sel[2];
- u32 reserved1[16];
+ u32 reserved1[4];
u32 alt_ch_db_mode_sel[2];
u32 reserved2[2];
u32 ch_trb_mode_sel[2];
@@ -188,7 +188,7 @@ struct ipu_idmac {
u32 sub_addr[5];
u32 bndm_en[2];
u32 sc_cord[2];
- u32 reserved[45];
+ u32 reserved[44];
u32 ch_busy[2];
};