[U-Boot] [PATCH 20/20] M28EVK: Enable USB HOST support

Marek Vasut
2011-11-09T09:18:27Z

This enables the second port, aka. the port with the USB connector on the
M28EVK.

Signed-off-by: Marek Vasut <marek.vasut@gmail.com>
Cc: Stefano Babic <sbabic@denx.de>
Cc: Wolfgang Denk <wd@denx.de>
Cc: Detlev Zundel <dzu@denx.de>
Cc: Remy Bohmer <linux@bohmer.net>
---
board/denx/m28evk/m28evk.c | 7 +++++++
include/configs/m28evk.h | 12 ++++++++++++
2 files changed, 19 insertions(+), 0 deletions(-)

diff --git a/board/denx/m28evk/m28evk.c b/board/denx/m28evk/m28evk.c
index 168ceeb..8cf3dc9 100644
--- a/board/denx/m28evk/m28evk.c
+++ b/board/denx/m28evk/m28evk.c
@@ -52,6 +52,13 @@ int board_early_init_f(void)
/* SSP2 clock at 96MHz */
mx28_set_sspclk(MXC_SSPCLK2, 96000, 0);

+#ifdef CONFIG_CMD_USB
+ mxs_iomux_setup_pad(MX28_PAD_SSP2_SS1__USB1_OVERCURRENT);
+ mxs_iomux_setup_pad(MX28_PAD_AUART3_TX__GPIO_3_13 |
+ MXS_PAD_12MA | MXS_PAD_3V3 | MXS_PAD_PULLUP);
+ gpio_direction_output(MX28_PAD_AUART3_TX__GPIO_3_13, 0);
+#endif
+
return 0;
}

diff --git a/include/configs/m28evk.h b/include/configs/m28evk.h
index c8b0cf5..52dcd4a 100644
--- a/include/configs/m28evk.h
+++ b/include/configs/m28evk.h
@@ -75,6 +75,7 @@
#define CONFIG_CMD_SETEXPR
#define CONFIG_CMD_SF
#define CONFIG_CMD_SPI
+#define CONFIG_CMD_USB

/*
* Memory configurations
@@ -218,6 +219,17 @@
#endif

/*
+ * USB
+ */
+#ifdef CONFIG_CMD_USB
+#define CONFIG_USB_EHCI
+#define CONFIG_USB_EHCI_MXS
+#define CONFIG_EHCI_MXS_PORT 1
+#define CONFIG_EHCI_IS_TDI
+#define CONFIG_USB_STORAGE
+#endif
+
+/*
* SPI
*/
#ifdef CONFIG_CMD_SPI
--
1.7.7.1