[U-Boot] [PATCH v5 2/3] mx23_olinuxino: Enable USB support

Otavio Salvador otavio at ossystems.com.br
Sat Mar 2 16:17:29 CET 2013


This enabled USB support for the mx23_olinuxino board.

Signed-off-by: Otavio Salvador <otavio at ossystems.com.br>
---
Changes in v5:
- Adapt code to newer multiport support

Changes in v2:
- Add changes for allow use of the USB hub

 board/olimex/mx23_olinuxino/mx23_olinuxino.c |  5 +++++
 board/olimex/mx23_olinuxino/spl_boot.c       |  4 ++++
 include/configs/mx23_olinuxino.h             | 11 +++++++++++
 3 files changed, 20 insertions(+)

diff --git a/board/olimex/mx23_olinuxino/mx23_olinuxino.c b/board/olimex/mx23_olinuxino/mx23_olinuxino.c
index 2501417..9252717 100644
--- a/board/olimex/mx23_olinuxino/mx23_olinuxino.c
+++ b/board/olimex/mx23_olinuxino/mx23_olinuxino.c
@@ -45,6 +45,11 @@ int board_early_init_f(void)
 	/* SSP0 clock at 96MHz */
 	mxs_set_sspclk(MXC_SSPCLK0, 96000, 0);
 
+#ifdef CONFIG_CMD_USB
+	/* Enable LAN9512 */
+	gpio_direction_output(MX23_PAD_GPMI_ALE__GPIO_0_17, 1);
+#endif
+
 	return 0;
 }
 
diff --git a/board/olimex/mx23_olinuxino/spl_boot.c b/board/olimex/mx23_olinuxino/spl_boot.c
index 3bbf5ad..a96c293 100644
--- a/board/olimex/mx23_olinuxino/spl_boot.c
+++ b/board/olimex/mx23_olinuxino/spl_boot.c
@@ -95,6 +95,10 @@ const iomux_cfg_t iomux_setup[] = {
 	MX23_PAD_SSP1_DATA2__SSP1_DATA2 | MUX_CONFIG_SSP,
 	MX23_PAD_SSP1_DATA3__SSP1_DATA3 | MUX_CONFIG_SSP,
 	MX23_PAD_SSP1_SCK__SSP1_SCK | MUX_CONFIG_SSP,
+
+	/* Ethernet */
+	MX23_PAD_GPMI_ALE__GPIO_0_17 |
+		(MXS_PAD_3V3 | MXS_PAD_12MA | MXS_PAD_NOPULL),
 };
 
 void board_init_ll(void)
diff --git a/include/configs/mx23_olinuxino.h b/include/configs/mx23_olinuxino.h
index d019944..90dda01 100644
--- a/include/configs/mx23_olinuxino.h
+++ b/include/configs/mx23_olinuxino.h
@@ -60,6 +60,7 @@
 #define	CONFIG_CMD_GPIO
 #define	CONFIG_CMD_LED
 #define	CONFIG_CMD_MMC
+#define	CONFIG_CMD_USB
 
 /*
  * Memory configurations
@@ -140,6 +141,16 @@
  */
 #define CONFIG_APBH_DMA
 
+/* USB */
+#ifdef	CONFIG_CMD_USB
+#define	CONFIG_USB_EHCI
+#define	CONFIG_USB_EHCI_MXS
+#define	CONFIG_EHCI_MXS_PORT0
+#define	CONFIG_USB_MAX_CONTROLLER_COUNT 1
+#define	CONFIG_EHCI_IS_TDI
+#define	CONFIG_USB_STORAGE
+#endif
+
 /*
  * Boot Linux
  */
-- 
1.8.1



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