There is no change of behavior, except for older silicon revisions for which support is removed.
Signed-off-by: Benoît Thébaudeau benoit.thebaudeau@advansee.com Tested-by: Matt Sealey matt@genesi-usa.com --- Changes in v3: None Changes in v2: None
board/genesi/mx51_efikamx/efikamx-usb.c | 122 +++++++++++++++++-------------- 1 file changed, 69 insertions(+), 53 deletions(-)
diff --git a/board/genesi/mx51_efikamx/efikamx-usb.c b/board/genesi/mx51_efikamx/efikamx-usb.c index cf020c3..cabad70 100644 --- a/board/genesi/mx51_efikamx/efikamx-usb.c +++ b/board/genesi/mx51_efikamx/efikamx-usb.c @@ -26,8 +26,7 @@ #include <usb.h> #include <asm/io.h> #include <asm/arch/imx-regs.h> -#include <asm/arch/mx5x_pins.h> -#include <asm/arch/iomux.h> +#include <asm/arch/iomux-mx51.h> #include <asm/gpio.h> #include <usb/ehci-fsl.h> #include <usb/ulpi.h> @@ -35,40 +34,57 @@
#include "../../../drivers/usb/host/ehci.h"
-/* USB pin configuration */ -#define USB_PAD_CONFIG (PAD_CTL_PKE_ENABLE | PAD_CTL_SRE_FAST | \ - PAD_CTL_DRV_HIGH | PAD_CTL_100K_PU | \ - PAD_CTL_HYS_ENABLE | PAD_CTL_PUE_PULL) - /* * Configure the USB H1 and USB H2 IOMUX */ void setup_iomux_usb(void) { - setup_iomux_usb_h1(); - - if (machine_is_efikasb()) - setup_iomux_usb_h2(); - - /* USB PHY reset */ - mxc_request_iomux(MX51_PIN_EIM_D27, IOMUX_CONFIG_ALT1); - mxc_iomux_set_pad(MX51_PIN_EIM_D27, PAD_CTL_PKE_ENABLE | - PAD_CTL_SRE_FAST | PAD_CTL_DRV_HIGH); - - /* USB HUB reset */ - mxc_request_iomux(MX51_PIN_GPIO1_5, IOMUX_CONFIG_ALT0); - mxc_iomux_set_pad(MX51_PIN_GPIO1_5, PAD_CTL_PKE_ENABLE | - PAD_CTL_SRE_FAST | PAD_CTL_DRV_HIGH); - - /* WIFI EN (act low) */ - mxc_request_iomux(MX51_PIN_EIM_A22, IOMUX_CONFIG_GPIO); - mxc_iomux_set_pad(MX51_PIN_EIM_A22, 0); - /* WIFI RESET */ - mxc_request_iomux(MX51_PIN_EIM_A16, IOMUX_CONFIG_GPIO); - mxc_iomux_set_pad(MX51_PIN_EIM_A16, 0); - /* BT EN (act low) */ - mxc_request_iomux(MX51_PIN_EIM_A17, IOMUX_CONFIG_GPIO); - mxc_iomux_set_pad(MX51_PIN_EIM_A17, 0); + static const iomux_v3_cfg_t usb_h1_pads[] = { + MX51_PAD_USBH1_CLK__USBH1_CLK, + MX51_PAD_USBH1_DIR__USBH1_DIR, + MX51_PAD_USBH1_STP__USBH1_STP, + MX51_PAD_USBH1_NXT__USBH1_NXT, + MX51_PAD_USBH1_DATA0__USBH1_DATA0, + MX51_PAD_USBH1_DATA1__USBH1_DATA1, + MX51_PAD_USBH1_DATA2__USBH1_DATA2, + MX51_PAD_USBH1_DATA3__USBH1_DATA3, + MX51_PAD_USBH1_DATA4__USBH1_DATA4, + MX51_PAD_USBH1_DATA5__USBH1_DATA5, + MX51_PAD_USBH1_DATA6__USBH1_DATA6, + MX51_PAD_USBH1_DATA7__USBH1_DATA7, + }; + + static const iomux_v3_cfg_t usb_pads[] = { + MX51_PAD_EIM_D27__GPIO2_9, /* USB PHY reset */ + MX51_PAD_GPIO1_5__GPIO1_5, /* USB HUB reset */ + NEW_PAD_CTRL(MX51_PAD_EIM_A22__GPIO2_16, 0), /* WIFI /EN */ + NEW_PAD_CTRL(MX51_PAD_EIM_A16__GPIO2_10, 0), /* WIFI RESET */ + NEW_PAD_CTRL(MX51_PAD_EIM_A17__GPIO2_11, 0), /* BT /EN */ + }; + + imx_iomux_v3_setup_multiple_pads(usb_h1_pads, ARRAY_SIZE(usb_h1_pads)); + + if (machine_is_efikasb()) { + static const iomux_v3_cfg_t usb_h2_pads[] = { + MX51_PAD_EIM_A24__USBH2_CLK, + MX51_PAD_EIM_A25__USBH2_DIR, + MX51_PAD_EIM_A26__USBH2_STP, + MX51_PAD_EIM_A27__USBH2_NXT, + MX51_PAD_EIM_D16__USBH2_DATA0, + MX51_PAD_EIM_D17__USBH2_DATA1, + MX51_PAD_EIM_D18__USBH2_DATA2, + MX51_PAD_EIM_D19__USBH2_DATA3, + MX51_PAD_EIM_D20__USBH2_DATA4, + MX51_PAD_EIM_D21__USBH2_DATA5, + MX51_PAD_EIM_D22__USBH2_DATA6, + MX51_PAD_EIM_D23__USBH2_DATA7, + }; + + imx_iomux_v3_setup_multiple_pads(usb_h2_pads, + ARRAY_SIZE(usb_h2_pads)); + } + + imx_iomux_v3_setup_multiple_pads(usb_pads, ARRAY_SIZE(usb_pads)); }
/* @@ -77,18 +93,18 @@ void setup_iomux_usb(void) static void efika_usb_enable_devices(void) { /* Enable Bluetooth */ - gpio_direction_output(IOMUX_TO_GPIO(MX51_PIN_EIM_A17), 0); + gpio_direction_output(IMX_GPIO_NR(2, 11), 0); udelay(10000); - gpio_set_value(IOMUX_TO_GPIO(MX51_PIN_EIM_A17), 1); + gpio_set_value(IMX_GPIO_NR(2, 11), 1);
/* Enable WiFi */ - gpio_direction_output(IOMUX_TO_GPIO(MX51_PIN_EIM_A22), 1); + gpio_direction_output(IMX_GPIO_NR(2, 16), 1); udelay(10000);
/* Reset the WiFi chip */ - gpio_direction_output(IOMUX_TO_GPIO(MX51_PIN_EIM_A16), 0); + gpio_direction_output(IMX_GPIO_NR(2, 10), 0); udelay(10000); - gpio_set_value(IOMUX_TO_GPIO(MX51_PIN_EIM_A16), 1); + gpio_set_value(IMX_GPIO_NR(2, 10), 1); }
/* @@ -97,11 +113,11 @@ static void efika_usb_enable_devices(void) static void efika_usb_hub_reset(void) { /* HUB reset */ - gpio_direction_output(IOMUX_TO_GPIO(MX51_PIN_GPIO1_5), 1); + gpio_direction_output(IMX_GPIO_NR(1, 5), 1); udelay(1000); - gpio_set_value(IOMUX_TO_GPIO(MX51_PIN_GPIO1_5), 0); + gpio_set_value(IMX_GPIO_NR(1, 5), 0); udelay(1000); - gpio_set_value(IOMUX_TO_GPIO(MX51_PIN_GPIO1_5), 1); + gpio_set_value(IMX_GPIO_NR(1, 5), 1); }
/* @@ -110,28 +126,26 @@ static void efika_usb_hub_reset(void) static void efika_usb_phy_reset(void) { /* SMSC 3317 PHY reset */ - gpio_direction_output(IOMUX_TO_GPIO(MX51_PIN_EIM_D27), 0); + gpio_direction_output(IMX_GPIO_NR(2, 9), 0); udelay(1000); - gpio_set_value(IOMUX_TO_GPIO(MX51_PIN_EIM_D27), 1); + gpio_set_value(IMX_GPIO_NR(2, 9), 1); }
static void efika_ehci_init(struct usb_ehci *ehci, uint32_t stp_gpio, - uint32_t alt0, uint32_t alt1) + iomux_v3_cfg_t stp_pad_gpio, + iomux_v3_cfg_t stp_pad_usb) { int ret; struct ulpi_regs *ulpi = (struct ulpi_regs *)0; struct ulpi_viewport ulpi_vp;
- mxc_request_iomux(stp_gpio, alt0); - mxc_iomux_set_pad(stp_gpio, PAD_CTL_DRV_HIGH | - PAD_CTL_PKE_ENABLE | PAD_CTL_SRE_FAST); - gpio_direction_output(IOMUX_TO_GPIO(stp_gpio), 0); + imx_iomux_v3_setup_pad(stp_pad_gpio); + gpio_direction_output(stp_gpio, 0); udelay(1000); - gpio_set_value(IOMUX_TO_GPIO(stp_gpio), 1); + gpio_set_value(stp_gpio, 1); udelay(1000);
- mxc_request_iomux(stp_gpio, alt1); - mxc_iomux_set_pad(stp_gpio, USB_PAD_CONFIG); + imx_iomux_v3_setup_pad(stp_pad_usb); udelay(10000);
ulpi_vp.viewport_addr = (u32)&ehci->ulpi_viewpoint; @@ -204,11 +218,13 @@ void board_ehci_hcd_postinit(struct usb_ehci *ehci, int port) tmp = (tmp & ~0x3) | 0x01; writel(tmp, OTG_BASE_ADDR + 0x80c); } else if (port == 1) { - efika_ehci_init(ehci, MX51_PIN_USBH1_STP, - IOMUX_CONFIG_ALT2, IOMUX_CONFIG_ALT0); + efika_ehci_init(ehci, IMX_GPIO_NR(1, 27), + MX51_PAD_USBH1_STP__GPIO1_27, + MX51_PAD_USBH1_STP__USBH1_STP); } else if ((port == 2) && machine_is_efikasb()) { - efika_ehci_init(ehci, MX51_PIN_EIM_A26, - IOMUX_CONFIG_ALT1, IOMUX_CONFIG_ALT2); + efika_ehci_init(ehci, IMX_GPIO_NR(2, 20), + MX51_PAD_EIM_A26__GPIO2_20, + MX51_PAD_EIM_A26__USBH2_STP); }
if (port)