[U-Boot] [PATCH v2 2/4] mx6cuboxi: Add USB host support
Fabio Estevam
festevam at gmail.com
Thu Apr 30 03:28:10 CEST 2015
From: Fabio Estevam <fabio.estevam at freescale.com>
Enable USB Host1 port.
Signed-off-by: Rabeeh Khoury <rabeeh at solid-run.com>
Signed-off-by: Fabio Estevam <fabio.estevam at freescale.com>
---
Changes since v1:
- Remove USB ether options as suggested by Tom
board/solidrun/mx6cuboxi/mx6cuboxi.c | 26 ++++++++++++++++++++++++++
include/configs/mx6cuboxi.h | 10 ++++++++++
2 files changed, 36 insertions(+)
diff --git a/board/solidrun/mx6cuboxi/mx6cuboxi.c b/board/solidrun/mx6cuboxi/mx6cuboxi.c
index eab92f1..9aa0259 100644
--- a/board/solidrun/mx6cuboxi/mx6cuboxi.c
+++ b/board/solidrun/mx6cuboxi/mx6cuboxi.c
@@ -31,6 +31,8 @@
#include <asm/io.h>
#include <asm/arch/sys_proto.h>
#include <spl.h>
+#include <usb.h>
+#include <usb/ehci-fsl.h>
DECLARE_GLOBAL_DATA_PTR;
@@ -52,6 +54,7 @@ DECLARE_GLOBAL_DATA_PTR;
PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST)
#define ETH_PHY_RESET IMX_GPIO_NR(4, 15)
+#define USB_H1_VBUS IMX_GPIO_NR(1, 0)
int dram_init(void)
{
@@ -79,6 +82,10 @@ static iomux_v3_cfg_t const hb_cbi_sense[] = {
IOMUX_PADS(PAD_EIM_DA4__GPIO3_IO04 | MUX_PAD_CTRL(UART_PAD_CTRL)),
};
+static iomux_v3_cfg_t const usb_pads[] = {
+ IOMUX_PADS(PAD_GPIO_0__GPIO1_IO00 | MUX_PAD_CTRL(NO_PAD_CTRL)),
+};
+
static void setup_iomux_uart(void)
{
SETUP_IOMUX_PADS(uart1_pads);
@@ -253,6 +260,21 @@ static int setup_display(void)
}
#endif /* CONFIG_VIDEO_IPUV3 */
+#ifdef CONFIG_USB_EHCI_MX6
+static void setup_usb(void)
+{
+ SETUP_IOMUX_PADS(usb_pads);
+}
+
+int board_ehci_hcd_init(int port)
+{
+ if (port == 1)
+ gpio_direction_output(USB_H1_VBUS, 1);
+
+ return 0;
+}
+#endif
+
int board_early_init_f(void)
{
int ret = 0;
@@ -261,6 +283,10 @@ int board_early_init_f(void)
#ifdef CONFIG_VIDEO_IPUV3
ret = setup_display();
#endif
+
+#ifdef CONFIG_USB_EHCI_MX6
+ setup_usb();
+#endif
return ret;
}
diff --git a/include/configs/mx6cuboxi.h b/include/configs/mx6cuboxi.h
index 207a2a6..34d24dc 100644
--- a/include/configs/mx6cuboxi.h
+++ b/include/configs/mx6cuboxi.h
@@ -82,6 +82,16 @@
#define CONFIG_IMX_HDMI
#define CONFIG_IMX_VIDEO_SKIP
+/* USB */
+#define CONFIG_CMD_USB
+#define CONFIG_USB_EHCI
+#define CONFIG_USB_EHCI_MX6
+#define CONFIG_USB_STORAGE
+#define CONFIG_EHCI_HCD_INIT_AFTER_RESET
+#define CONFIG_MXC_USB_PORTSC (PORT_PTS_UTMI | PORT_PTS_PTW)
+#define CONFIG_MXC_USB_FLAGS 0
+#define CONFIG_USB_MAX_CONTROLLER_COUNT 2
+
#define CONFIG_SYS_NO_FLASH
/* Command definition */
--
1.9.1
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