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authorStefano Babic <sbabic@denx.de>2010-10-05 14:05:11 +0200
committerStefano Babic <sbabic@denx.de>2010-10-13 18:11:55 +0200
commitd7dc464be4ee246ecab6c7934b322b5aaecfe5f6 (patch)
tree3e797492dee2f5de34388f90dff7fc5a8fd7d127 /board/davedenx
parent5b591502f9fc340df8fb1e3bec918009ba3bc313 (diff)
downloadu-boot-linaro-stable-d7dc464be4ee246ecab6c7934b322b5aaecfe5f6.tar.gz
MX31: Add USB Host support to the QONG board
Signed-off-by: Stefano Babic <sbabic@denx.de>
Diffstat (limited to 'board/davedenx')
-rw-r--r--board/davedenx/qong/qong.c33
1 files changed, 33 insertions, 0 deletions
diff --git a/board/davedenx/qong/qong.c b/board/davedenx/qong/qong.c
index efeb0bb6b..8a81cfc68 100644
--- a/board/davedenx/qong/qong.c
+++ b/board/davedenx/qong/qong.c
@@ -25,6 +25,7 @@
#include <netdev.h>
#include <asm/arch/mx31.h>
#include <asm/arch/mx31-regs.h>
+#include <asm/io.h>
#include <nand.h>
#include <fsl_pmic.h>
#include <mxc_gpio.h>
@@ -97,6 +98,38 @@ int board_early_init_f (void)
mx31_gpio_mux(MUX_CSPI2_SCLK__CSPI2_CLK);
mx31_gpio_mux(MUX_CSPI2_SPI_RDY__CSPI2_DATAREADY_B);
+ /* Setup pins for USB2 Host */
+ mx31_gpio_mux(IOMUX_MODE(MUX_CTL_USBH2_CLK, MUX_CTL_FUNC));
+ mx31_gpio_mux(IOMUX_MODE(MUX_CTL_USBH2_DIR, MUX_CTL_FUNC));
+ mx31_gpio_mux(IOMUX_MODE(MUX_CTL_USBH2_NXT, MUX_CTL_FUNC));
+ mx31_gpio_mux(IOMUX_MODE(MUX_CTL_USBH2_STP, MUX_CTL_FUNC));
+ mx31_gpio_mux(IOMUX_MODE(MUX_CTL_USBH2_DATA0, MUX_CTL_FUNC));
+ mx31_gpio_mux(IOMUX_MODE(MUX_CTL_USBH2_DATA1, MUX_CTL_FUNC));
+ mx31_gpio_mux(IOMUX_MODE(MUX_CTL_STXD3, MUX_CTL_FUNC));
+ mx31_gpio_mux(IOMUX_MODE(MUX_CTL_SRXD3, MUX_CTL_FUNC));
+ mx31_gpio_mux(IOMUX_MODE(MUX_CTL_SCK3, MUX_CTL_FUNC));
+ mx31_gpio_mux(IOMUX_MODE(MUX_CTL_SFS3, MUX_CTL_FUNC));
+ mx31_gpio_mux(IOMUX_MODE(MUX_CTL_STXD6, MUX_CTL_FUNC));
+ mx31_gpio_mux(IOMUX_MODE(MUX_CTL_SRXD6, MUX_CTL_FUNC));
+
+#define H2_PAD_CFG (PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST | PAD_CTL_HYS_CMOS | \
+ PAD_CTL_ODE_CMOS | PAD_CTL_100K_PU)
+
+ mx31_set_pad(MX31_PIN_USBH2_CLK, H2_PAD_CFG);
+ mx31_set_pad(MX31_PIN_USBH2_DIR, H2_PAD_CFG);
+ mx31_set_pad(MX31_PIN_USBH2_NXT, H2_PAD_CFG);
+ mx31_set_pad(MX31_PIN_USBH2_STP, H2_PAD_CFG);
+ mx31_set_pad(MX31_PIN_USBH2_DATA0, H2_PAD_CFG); /* USBH2_DATA0 */
+ mx31_set_pad(MX31_PIN_USBH2_DATA1, H2_PAD_CFG); /* USBH2_DATA1 */
+ mx31_set_pad(MX31_PIN_SRXD6, H2_PAD_CFG); /* USBH2_DATA2 */
+ mx31_set_pad(MX31_PIN_STXD6, H2_PAD_CFG); /* USBH2_DATA3 */
+ mx31_set_pad(MX31_PIN_SFS3, H2_PAD_CFG); /* USBH2_DATA4 */
+ mx31_set_pad(MX31_PIN_SCK3, H2_PAD_CFG); /* USBH2_DATA5 */
+ mx31_set_pad(MX31_PIN_SRXD3, H2_PAD_CFG); /* USBH2_DATA6 */
+ mx31_set_pad(MX31_PIN_STXD3, H2_PAD_CFG); /* USBH2_DATA7 */
+
+ writel(readl((IOMUXC_BASE + 0x8)) | (1 << 11), IOMUXC_BASE + 0x8);
+
return 0;
}