[U-Boot] [PATCH V2] imx: mx6slevk: fix mmc breakage

[Peng Fan]

Log:
  "
  MMC Device 1 not found
  *** Warning - No MMC card found, using default environment
  "
Add alias node for usdhc.
Cleaned up board usb code.

Test:
=> usb tree
USB device tree:
  1  Hub (480 Mb/s, 0mA)
    |  u-boot EHCI Host Controller
    |
    +-2  Mass Storage (480 Mb/s, 500mA)
	       Generic USB Storage 000000000207

  1  Hub (480 Mb/s, 0mA)
    |  u-boot EHCI Host Controller
    |
    +-2  Mass Storage (480 Mb/s, 500mA)
              Generic USB2.0-CRW 20090815198100000

=> mmc list
FSL_SDHC: 0
FSL_SDHC: 1 (SD)
FSL_SDHC: 2

Signed-off-by: Peng Fan <peng.fan at nxp.com>
Cc: Stefano Babic <sbabic at denx.de>
Cc: Fabio Estevam <fabio.estevam at nxp.com>
---

V2:
 Based on Fabio's patches:
 1. https://patchwork.ozlabs.org/patch/825464/
 2. https://patchwork.ozlabs.org/patch/825039/

 arch/arm/dts/imx6sl.dtsi            |  4 +++
 board/freescale/mx6slevk/mx6slevk.c | 49 -------------------------------------
 2 files changed, 4 insertions(+), 49 deletions(-)

diff --git a/arch/arm/dts/imx6sl.dtsi b/arch/arm/dts/imx6sl.dtsi
index cc9572e..ac2f676 100644
--- a/arch/arm/dts/imx6sl.dtsi
+++ b/arch/arm/dts/imx6sl.dtsi
@@ -30,6 +30,10 @@
 		gpio2 = &gpio3;
 		gpio3 = &gpio4;
 		gpio4 = &gpio5;
+		mmc0 = &usdhc1;
+		mmc1 = &usdhc2;
+		mmc2 = &usdhc3;
+		mmc3 = &usdhc4;
 		serial0 = &uart1;
 		serial1 = &uart2;
 		serial2 = &uart3;
diff --git a/board/freescale/mx6slevk/mx6slevk.c b/board/freescale/mx6slevk/mx6slevk.c
index 8afd5da..0597dbe 100644
--- a/board/freescale/mx6slevk/mx6slevk.c
+++ b/board/freescale/mx6slevk/mx6slevk.c
@@ -27,8 +27,6 @@
 #include <power/pmic.h>
 #include <power/pfuze100_pmic.h>
 #include "../common/pfuze.h"
-#include <usb.h>
-#include <usb/ehci-ci.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 
@@ -223,49 +221,6 @@ static int setup_fec(void)
 }
 #endif
 
-#ifdef CONFIG_USB_EHCI_MX6
-#define USB_OTHERREGS_OFFSET	0x800
-#define UCTRL_PWR_POL		(1 << 9)
-
-static iomux_v3_cfg_t const usb_otg_pads[] = {
-	/* OTG1 */
-	MX6_PAD_KEY_COL4__USB_USBOTG1_PWR | MUX_PAD_CTRL(NO_PAD_CTRL),
-	MX6_PAD_EPDC_PWRCOM__ANATOP_USBOTG1_ID | MUX_PAD_CTRL(OTGID_PAD_CTRL),
-	/* OTG2 */
-	MX6_PAD_KEY_COL5__USB_USBOTG2_PWR | MUX_PAD_CTRL(NO_PAD_CTRL)
-};
-
-static void setup_usb(void)
-{
-	imx_iomux_v3_setup_multiple_pads(usb_otg_pads,
-					 ARRAY_SIZE(usb_otg_pads));
-}
-
-int board_usb_phy_mode(int port)
-{
-	if (port == 1)
-		return USB_INIT_HOST;
-	else
-		return usb_phy_mode(port);
-}
-
-int board_ehci_hcd_init(int port)
-{
-	u32 *usbnc_usb_ctrl;
-
-	if (port > 1)
-		return -EINVAL;
-
-	usbnc_usb_ctrl = (u32 *)(USB_BASE_ADDR + USB_OTHERREGS_OFFSET +
-				 port * 4);
-
-	/* Set Power polarity */
-	setbits_le32(usbnc_usb_ctrl, UCTRL_PWR_POL);
-
-	return 0;
-}
-#endif
-
 int board_early_init_f(void)
 {
 	setup_iomux_uart();
@@ -287,10 +242,6 @@ int board_init(void)
 	setup_fec();
 #endif
 
-#ifdef CONFIG_USB_EHCI_MX6
-	setup_usb();
-#endif
-
 	return 0;
 }
 
-- 
2.6.2