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author | Tom Rini <trini@konsulko.com> | 2015-06-15 20:45:50 -0400 |
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committer | Tom Rini <trini@konsulko.com> | 2015-06-15 20:45:50 -0400 |
commit | 0d3f732fd2ba679b4498541f075d1b1bdbea3935 (patch) | |
tree | 6a2dac39831a333c52b2e8329ec99f2b8ccf018d /drivers | |
parent | b48b69ba10fd1fd1f0de73220438ba8052fc2a33 (diff) | |
parent | 2911bd1858d11308164b0b33de4ea0e8994d3edf (diff) | |
download | u-boot-imx-0d3f732fd2ba679b4498541f075d1b1bdbea3935.zip u-boot-imx-0d3f732fd2ba679b4498541f075d1b1bdbea3935.tar.gz u-boot-imx-0d3f732fd2ba679b4498541f075d1b1bdbea3935.tar.bz2 |
Merge git://git.denx.de/u-boot-usb
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/usb/dwc3/Makefile | 1 | ||||
-rw-r--r-- | drivers/usb/dwc3/samsung_usb_phy.c | 78 | ||||
-rw-r--r-- | drivers/usb/gadget/f_mass_storage.c | 2 | ||||
-rw-r--r-- | drivers/usb/host/ehci-fsl.c | 2 |
4 files changed, 81 insertions, 2 deletions
diff --git a/drivers/usb/dwc3/Makefile b/drivers/usb/dwc3/Makefile index e455a52..02bb216 100644 --- a/drivers/usb/dwc3/Makefile +++ b/drivers/usb/dwc3/Makefile @@ -6,3 +6,4 @@ dwc3-y += gadget.o ep0.o obj-$(CONFIG_USB_DWC3_OMAP) += dwc3-omap.o obj-$(CONFIG_USB_DWC3_PHY_OMAP) += ti_usb_phy.o +obj-$(CONFIG_USB_DWC3_PHY_SAMSUNG) += samsung_usb_phy.o diff --git a/drivers/usb/dwc3/samsung_usb_phy.c b/drivers/usb/dwc3/samsung_usb_phy.c new file mode 100644 index 0000000..4220986 --- /dev/null +++ b/drivers/usb/dwc3/samsung_usb_phy.c @@ -0,0 +1,78 @@ +/** + * samsung_usb_phy.c - DesignWare USB3 (DWC3) PHY handling file + * + * Copyright (C) 2015 Samsung Electronics + * + * Author: Joonyoung Shim <jy0922.shim@samsung.com> + * + * SPDX-License-Identifier: GPL-2.0 + */ + +#include <common.h> +#include <asm/arch/power.h> +#include <asm/arch/xhci-exynos.h> + +void exynos5_usb3_phy_init(struct exynos_usb3_phy *phy) +{ + u32 reg; + + /* Reset USB 3.0 PHY */ + writel(0x0, &phy->phy_reg0); + + clrbits_le32(&phy->phy_param0, + /* Select PHY CLK source */ + PHYPARAM0_REF_USE_PAD | + /* Set Loss-of-Signal Detector sensitivity */ + PHYPARAM0_REF_LOSLEVEL_MASK); + setbits_le32(&phy->phy_param0, PHYPARAM0_REF_LOSLEVEL); + + + writel(0x0, &phy->phy_resume); + + /* + * Setting the Frame length Adj value[6:1] to default 0x20 + * See xHCI 1.0 spec, 5.2.4 + */ + setbits_le32(&phy->link_system, + LINKSYSTEM_XHCI_VERSION_CONTROL | + LINKSYSTEM_FLADJ(0x20)); + + /* Set Tx De-Emphasis level */ + clrbits_le32(&phy->phy_param1, PHYPARAM1_PCS_TXDEEMPH_MASK); + setbits_le32(&phy->phy_param1, PHYPARAM1_PCS_TXDEEMPH); + + setbits_le32(&phy->phy_batchg, PHYBATCHG_UTMI_CLKSEL); + + /* PHYTEST POWERDOWN Control */ + clrbits_le32(&phy->phy_test, + PHYTEST_POWERDOWN_SSP | + PHYTEST_POWERDOWN_HSP); + + /* UTMI Power Control */ + writel(PHYUTMI_OTGDISABLE, &phy->phy_utmi); + + /* Use core clock from main PLL */ + reg = PHYCLKRST_REFCLKSEL_EXT_REFCLK | + /* Default 24Mhz crystal clock */ + PHYCLKRST_FSEL(FSEL_CLKSEL_24M) | + PHYCLKRST_MPLL_MULTIPLIER_24MHZ_REF | + PHYCLKRST_SSC_REFCLKSEL(0) | + /* Force PortReset of PHY */ + PHYCLKRST_PORTRESET | + /* Digital power supply in normal operating mode */ + PHYCLKRST_RETENABLEN | + /* Enable ref clock for SS function */ + PHYCLKRST_REF_SSP_EN | + /* Enable spread spectrum */ + PHYCLKRST_SSC_EN | + /* Power down HS Bias and PLL blocks in suspend mode */ + PHYCLKRST_COMMONONN; + + writel(reg, &phy->phy_clk_rst); + + /* giving time to Phy clock to settle before resetting */ + udelay(10); + + reg &= ~PHYCLKRST_PORTRESET; + writel(reg, &phy->phy_clk_rst); +} diff --git a/drivers/usb/gadget/f_mass_storage.c b/drivers/usb/gadget/f_mass_storage.c index d1bc5ef..abe9391 100644 --- a/drivers/usb/gadget/f_mass_storage.c +++ b/drivers/usb/gadget/f_mass_storage.c @@ -671,7 +671,7 @@ static int sleep_thread(struct fsg_common *common) if (common->thread_wakeup_needed) break; - if (++i == 50000) { + if (++i == 20000) { busy_indicator(); i = 0; k++; diff --git a/drivers/usb/host/ehci-fsl.c b/drivers/usb/host/ehci-fsl.c index 5fd618d..97b7f14 100644 --- a/drivers/usb/host/ehci-fsl.c +++ b/drivers/usb/host/ehci-fsl.c @@ -76,7 +76,7 @@ int ehci_hcd_init(int index, enum usb_init_type init, break; default: printf("ERROR: wrong controller index!!\n"); - break; + return -EINVAL; }; *hccr = (struct ehci_hccr *)((uint32_t)&ehci->caplength); |