From 9fa3d093d626b25c64c695e29d381dd2ae7bf8cc Mon Sep 17 00:00:00 2001 From: =?utf8?q?Beno=C3=AEt=20Th=C3=A9baudeau?= Date: Tue, 13 Nov 2012 09:57:48 +0000 Subject: [PATCH] ehci-mxc: Make i.MX25 EHCI configurable MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Use EHCI MXC configuration options for i.MX25. Signed-off-by: Benoît Thébaudeau Cc: Marek Vasut Cc: Stefano Babic Cc: Matthias Weisser --- drivers/usb/host/ehci-mxc.c | 72 ++++++++++++++++++++++++++++++++----- include/configs/zmx25.h | 6 ++-- 2 files changed, 67 insertions(+), 11 deletions(-) diff --git a/drivers/usb/host/ehci-mxc.c b/drivers/usb/host/ehci-mxc.c index e21f2c54ac..846aa3b7c9 100644 --- a/drivers/usb/host/ehci-mxc.c +++ b/drivers/usb/host/ehci-mxc.c @@ -28,10 +28,21 @@ #define USBCTRL_OTGBASE_OFFSET 0x600 -#define MX25_USB_CTRL_IP_PUE_DOWN_BIT (1<<6) -#define MX25_USB_CTRL_HSTD_BIT (1<<5) -#define MX25_USB_CTRL_USBTE_BIT (1<<4) -#define MX25_USB_CTRL_OCPOL_OTG_BIT (1<<3) +#define MX25_OTG_SIC_SHIFT 29 +#define MX25_OTG_SIC_MASK (0x3 << MX25_OTG_SIC_SHIFT) +#define MX25_OTG_PM_BIT (1 << 24) +#define MX25_OTG_PP_BIT (1 << 11) +#define MX25_OTG_OCPOL_BIT (1 << 3) + +#define MX25_H1_SIC_SHIFT 21 +#define MX25_H1_SIC_MASK (0x3 << MX25_H1_SIC_SHIFT) +#define MX25_H1_PP_BIT (1 << 18) +#define MX25_H1_PM_BIT (1 << 8) +#define MX25_H1_IPPUE_UP_BIT (1 << 7) +#define MX25_H1_IPPUE_DOWN_BIT (1 << 6) +#define MX25_H1_TLL_BIT (1 << 5) +#define MX25_H1_USBTE_BIT (1 << 4) +#define MX25_H1_OCPOL_BIT (1 << 2) #define MX31_OTG_SIC_SHIFT 29 #define MX31_OTG_SIC_MASK (0x3 << MX31_OTG_SIC_SHIFT) @@ -51,12 +62,57 @@ static int mxc_set_usbcontrol(int port, unsigned int flags) { unsigned int v; -#if defined(CONFIG_MX25) - v = MX25_USB_CTRL_IP_PUE_DOWN_BIT | MX25_USB_CTRL_HSTD_BIT | - MX25_USB_CTRL_USBTE_BIT | MX25_USB_CTRL_OCPOL_OTG_BIT; -#elif defined(CONFIG_MX31) v = readl(IMX_USB_BASE + USBCTRL_OTGBASE_OFFSET); +#if defined(CONFIG_MX25) + switch (port) { + case 0: /* OTG port */ + v &= ~(MX25_OTG_SIC_MASK | MX25_OTG_PM_BIT | MX25_OTG_PP_BIT | + MX25_OTG_OCPOL_BIT); + v |= (flags & MXC_EHCI_INTERFACE_MASK) << MX25_OTG_SIC_SHIFT; + + if (!(flags & MXC_EHCI_POWER_PINS_ENABLED)) + v |= MX25_OTG_PM_BIT; + + if (flags & MXC_EHCI_PWR_PIN_ACTIVE_HIGH) + v |= MX25_OTG_PP_BIT; + + if (!(flags & MXC_EHCI_OC_PIN_ACTIVE_LOW)) + v |= MX25_OTG_OCPOL_BIT; + + break; + case 1: /* H1 port */ + v &= ~(MX25_H1_SIC_MASK | MX25_H1_PM_BIT | MX25_H1_PP_BIT | + MX25_H1_OCPOL_BIT | MX25_H1_TLL_BIT | + MX25_H1_USBTE_BIT | MX25_H1_IPPUE_DOWN_BIT | + MX25_H1_IPPUE_UP_BIT); + v |= (flags & MXC_EHCI_INTERFACE_MASK) << MX25_H1_SIC_SHIFT; + + if (!(flags & MXC_EHCI_POWER_PINS_ENABLED)) + v |= MX25_H1_PM_BIT; + + if (flags & MXC_EHCI_PWR_PIN_ACTIVE_HIGH) + v |= MX25_H1_PP_BIT; + + if (!(flags & MXC_EHCI_OC_PIN_ACTIVE_LOW)) + v |= MX25_H1_OCPOL_BIT; + + if (!(flags & MXC_EHCI_TTL_ENABLED)) + v |= MX25_H1_TLL_BIT; + + if (flags & MXC_EHCI_INTERNAL_PHY) + v |= MX25_H1_USBTE_BIT; + + if (flags & MXC_EHCI_IPPUE_DOWN) + v |= MX25_H1_IPPUE_DOWN_BIT; + if (flags & MXC_EHCI_IPPUE_UP) + v |= MX25_H1_IPPUE_UP_BIT; + + break; + default: + return -EINVAL; + } +#elif defined(CONFIG_MX31) switch (port) { case 0: /* OTG port */ v &= ~(MX31_OTG_SIC_MASK | MX31_OTG_PM_BIT); diff --git a/include/configs/zmx25.h b/include/configs/zmx25.h index 447683a490..e9216d9b64 100644 --- a/include/configs/zmx25.h +++ b/include/configs/zmx25.h @@ -109,9 +109,9 @@ #define CONFIG_USB_EHCI /* Enable EHCI USB support */ #define CONFIG_USB_EHCI_MXC #define CONFIG_EHCI_HCD_INIT_AFTER_RESET -#define CONFIG_MXC_USB_PORT 2 -#define CONFIG_MXC_USB_PORTSC 0xC0000000 -#define CONFIG_MXC_USB_FLAGS 0 +#define CONFIG_MXC_USB_PORT 1 +#define CONFIG_MXC_USB_PORTSC MXC_EHCI_MODE_SERIAL +#define CONFIG_MXC_USB_FLAGS (MXC_EHCI_INTERNAL_PHY | MXC_EHCI_IPPUE_DOWN) #define CONFIG_EHCI_IS_TDI #define CONFIG_USB_STORAGE #define CONFIG_DOS_PARTITION -- 2.39.5