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imx: mx51_efikamx/sb: Convert to iomux-v3

Browse Source 
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>
This commit is contained in:
Benoît Thébaudeau 2013-05-03 10:32:28 +00:00 committed by Stefano Babic
parent 4d15d36c08
commit 3426a62a16
1 changed files with 65 additions and 49 deletions
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114
board/genesi/mx51_efikamx/efikamx-usb.c
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@ -26,8 +26,7 @@
#include <usb.h> #include <usb.h>
#include <asm/io.h> #include <asm/io.h>
#include <asm/arch/imx-regs.h> #include <asm/arch/imx-regs.h>
#include <asm/arch/mx5x_pins.h> #include <asm/arch/iomux-mx51.h>
#include <asm/arch/iomux.h>
#include <asm/gpio.h> #include <asm/gpio.h>
#include <usb/ehci-fsl.h> #include <usb/ehci-fsl.h>
#include <usb/ulpi.h> #include <usb/ulpi.h>
@ -35,40 +34,57 @@
#include "../../../drivers/usb/host/ehci.h" #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 * Configure the USB H1 and USB H2 IOMUX
*/ */
void setup_iomux_usb(void) void setup_iomux_usb(void)
{ {
setup_iomux_usb_h1(); 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,
};
if (machine_is_efikasb()) static const iomux_v3_cfg_t usb_pads[] = {
setup_iomux_usb_h2(); 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 */
};
/* USB PHY reset */ imx_iomux_v3_setup_multiple_pads(usb_h1_pads, ARRAY_SIZE(usb_h1_pads));
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 */ if (machine_is_efikasb()) {
mxc_request_iomux(MX51_PIN_GPIO1_5, IOMUX_CONFIG_ALT0); static const iomux_v3_cfg_t usb_h2_pads[] = {
mxc_iomux_set_pad(MX51_PIN_GPIO1_5, PAD_CTL_PKE_ENABLE | MX51_PAD_EIM_A24__USBH2_CLK,
PAD_CTL_SRE_FAST | PAD_CTL_DRV_HIGH); 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,
};
/* WIFI EN (act low) */ imx_iomux_v3_setup_multiple_pads(usb_h2_pads,
mxc_request_iomux(MX51_PIN_EIM_A22, IOMUX_CONFIG_GPIO); ARRAY_SIZE(usb_h2_pads));
mxc_iomux_set_pad(MX51_PIN_EIM_A22, 0); }
/* WIFI RESET */
mxc_request_iomux(MX51_PIN_EIM_A16, IOMUX_CONFIG_GPIO); imx_iomux_v3_setup_multiple_pads(usb_pads, ARRAY_SIZE(usb_pads));
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);
} }
/* /*
@ -77,18 +93,18 @@ void setup_iomux_usb(void)
static void efika_usb_enable_devices(void) static void efika_usb_enable_devices(void)
{ {
/* Enable Bluetooth */ /* Enable Bluetooth */
gpio_direction_output(IOMUX_TO_GPIO(MX51_PIN_EIM_A17), 0); gpio_direction_output(IMX_GPIO_NR(2, 11), 0);
udelay(10000); udelay(10000);
gpio_set_value(IOMUX_TO_GPIO(MX51_PIN_EIM_A17), 1); gpio_set_value(IMX_GPIO_NR(2, 11), 1);
/* Enable WiFi */ /* Enable WiFi */
gpio_direction_output(IOMUX_TO_GPIO(MX51_PIN_EIM_A22), 1); gpio_direction_output(IMX_GPIO_NR(2, 16), 1);
udelay(10000); udelay(10000);
/* Reset the WiFi chip */ /* 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); 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) static void efika_usb_hub_reset(void)
{ {
/* HUB reset */ /* HUB reset */
gpio_direction_output(IOMUX_TO_GPIO(MX51_PIN_GPIO1_5), 1); gpio_direction_output(IMX_GPIO_NR(1, 5), 1);
udelay(1000); udelay(1000);
gpio_set_value(IOMUX_TO_GPIO(MX51_PIN_GPIO1_5), 0); gpio_set_value(IMX_GPIO_NR(1, 5), 0);
udelay(1000); 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) static void efika_usb_phy_reset(void)
{ {
/* SMSC 3317 PHY reset */ /* 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); 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, 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; int ret;
struct ulpi_regs *ulpi = (struct ulpi_regs *)0; struct ulpi_regs *ulpi = (struct ulpi_regs *)0;
struct ulpi_viewport ulpi_vp; struct ulpi_viewport ulpi_vp;
mxc_request_iomux(stp_gpio, alt0); imx_iomux_v3_setup_pad(stp_pad_gpio);
mxc_iomux_set_pad(stp_gpio, PAD_CTL_DRV_HIGH | gpio_direction_output(stp_gpio, 0);
PAD_CTL_PKE_ENABLE | PAD_CTL_SRE_FAST);
gpio_direction_output(IOMUX_TO_GPIO(stp_gpio), 0);
udelay(1000); udelay(1000);
gpio_set_value(IOMUX_TO_GPIO(stp_gpio), 1); gpio_set_value(stp_gpio, 1);
udelay(1000); udelay(1000);
mxc_request_iomux(stp_gpio, alt1); imx_iomux_v3_setup_pad(stp_pad_usb);
mxc_iomux_set_pad(stp_gpio, USB_PAD_CONFIG);
udelay(10000); udelay(10000);
ulpi_vp.viewport_addr = (u32)&ehci->ulpi_viewpoint; 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; tmp = (tmp & ~0x3) | 0x01;
writel(tmp, OTG_BASE_ADDR + 0x80c); writel(tmp, OTG_BASE_ADDR + 0x80c);
} else if (port == 1) { } else if (port == 1) {
efika_ehci_init(ehci, MX51_PIN_USBH1_STP, efika_ehci_init(ehci, IMX_GPIO_NR(1, 27),
IOMUX_CONFIG_ALT2, IOMUX_CONFIG_ALT0); MX51_PAD_USBH1_STP__GPIO1_27,
MX51_PAD_USBH1_STP__USBH1_STP);
} else if ((port == 2) && machine_is_efikasb()) { } else if ((port == 2) && machine_is_efikasb()) {
efika_ehci_init(ehci, MX51_PIN_EIM_A26, efika_ehci_init(ehci, IMX_GPIO_NR(2, 20),
IOMUX_CONFIG_ALT1, IOMUX_CONFIG_ALT2); MX51_PAD_EIM_A26__GPIO2_20,
MX51_PAD_EIM_A26__USBH2_STP);
} }
if (port) if (port)