This patch adds mux-mode settings for EHCI pads on OMAP4. This is a hack for now, This code be replaced when the mux framework is introduced for OMAP4.
Signed-off-by: Keshava Munegowda <[email protected]> Signed-off-by: Anand Gadiyar <[email protected]> --- arch/arm/mach-omap2/usb-ehci.c | 109 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 109 insertions(+) Index: linux-2.6/arch/arm/mach-omap2/usb-ehci.c =================================================================== --- linux-2.6.orig/arch/arm/mach-omap2/usb-ehci.c +++ linux-2.6/arch/arm/mach-omap2/usb-ehci.c @@ -214,6 +214,115 @@ static void setup_ehci_io_mux(const enum return; } +static void setup_4430ehci_io_mux(const enum ehci_hcd_omap_mode *port_mode) +{ + /* + * FIXME: This funtion should use mux framework functions; + * For now, we are hardcoding this. + */ + switch (port_mode[0]) { + case EHCI_HCD_OMAP_MODE_PHY: + + /* HUSB1_PHY CLK , INPUT ENABLED, PULLDOWN */ + omap_writew(0x010C, 0x4A1000C2); + + /* HUSB1 STP */ + omap_writew(0x0004, 0x4A1000C4); + + /* HUSB1_DIR */ + omap_writew(0x010C, 0x4A1000C6); + + /* HUSB1_NXT */ + omap_writew(0x010C, 0x4A1000C8); + + /* HUSB1_DATA0 */ + omap_writew(0x010C, 0x4A1000CA); + + /* HUSB1_DATA1 */ + omap_writew(0x010C, 0x4A1000CC); + + /* HUSB1_DATA2 */ + omap_writew(0x010C, 0x4A1000CE); + + /* HUSB1_DATA3 */ + omap_writew(0x010C, 0x4A1000D0); + + /* HUSB1_DATA4 */ + omap_writew(0x010C, 0x4A1000D2); + + /* HUSB1_DATA5 */ + omap_writew(0x010C, 0x4A1000D4); + + /* HUSB1_DATA6 */ + omap_writew(0x010C, 0x4A1000D6); + + /* HUSB1_DATA7 */ + omap_writew(0x010C, 0x4A1000D8); + + break; + + case EHCI_HCD_OMAP_MODE_TLL: + /* TODO */ + + break; + case EHCI_HCD_OMAP_MODE_UNKNOWN: + /* FALLTHROUGH */ + default: + break; + } + + switch (port_mode[1]) { + case EHCI_HCD_OMAP_MODE_PHY: + /* HUSB2_PHY CLK , INPUT PULLDOWN ENABLED */ + omap_writew(0x010C, 0x4A100160); + + /* HUSB2 STP */ + omap_writew(0x0002, 0x4A100162); + + /* HUSB2_DIR */ + omap_writew(0x010A, 0x4A100164); + + /* HUSB2_NXT */ + omap_writew(0x010A, 0x4A100166); + + /* HUSB2_DATA0 */ + omap_writew(0x010A, 0x4A100168); + + /* HUSB2_DATA1 */ + omap_writew(0x010A, 0x4A10016A); + + /* HUSB2_DATA2 */ + omap_writew(0x010A, 0x4A10016C); + + /* HUSB2_DATA3 */ + omap_writew(0x010A, 0x4A10016E); + + /* HUSB2_DATA4 */ + omap_writew(0x010A, 0x4A100170); + + /* HUSB2_DATA5 */ + omap_writew(0x010A, 0x4A100172); + + /* HUSB2_DATA6 */ + omap_writew(0x010A, 0x4A100174); + + /* HUSB2_DATA7 */ + omap_writew(0x010A, 0x4A100176); + + break; + + case EHCI_HCD_OMAP_MODE_TLL: + /* TODO */ + + break; + case EHCI_HCD_OMAP_MODE_UNKNOWN: + /* FALLTHROUGH */ + default: + break; + } + return; +} + void __init usb_ehci_init(const struct ehci_hcd_omap_platform_data *pdata) { platform_device_add_data(&ehci_device, pdata, sizeof(*pdata)); -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
