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| author | Hans de Goede <hdegoede@redhat.com> | 2015-01-11 17:17:00 +0100 |
|---|---|---|
| committer | Hans de Goede <hdegoede@redhat.com> | 2015-01-22 12:34:56 +0100 |
| commit | 1a800f7af3ef5f42ff703fd4b313b79e471f6ced (patch) | |
| tree | 81f65ef00e29291c33933c42387323b550ddfe74 /board | |
| parent | ea87948f1ac904f482fdcefc1b428961efb4dcc7 (diff) | |
| download | u-boot-imx-1a800f7af3ef5f42ff703fd4b313b79e471f6ced.zip u-boot-imx-1a800f7af3ef5f42ff703fd4b313b79e471f6ced.tar.gz u-boot-imx-1a800f7af3ef5f42ff703fd4b313b79e471f6ced.tar.bz2 | |
sunxi: Hookup OTG USB controller support
Hookup OTG USB controller support and enable the otg controller + USB-keyb
on various tablets.
This allows tablet owners to interact with u-boot without needing to solder
a serial console onto their tablet PCB.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Ian Campbell <ijc@hellion.org.uk>
Diffstat (limited to 'board')
| -rw-r--r-- | board/sunxi/Kconfig | 9 | ||||
| -rw-r--r-- | board/sunxi/board.c | 25 |
2 files changed, 34 insertions, 0 deletions
diff --git a/board/sunxi/Kconfig b/board/sunxi/Kconfig index cea356c..f1501d4 100644 --- a/board/sunxi/Kconfig +++ b/board/sunxi/Kconfig @@ -357,6 +357,15 @@ config VIDEO_LCD_PANEL_MIPI_4_LANE_513_MBPS_VIA_SSD2828 endchoice +config USB_MUSB_SUNXI + bool "Enable sunxi OTG / DRC USB controller in host mode" + default n + ---help--- + Say y here to enable support for the sunxi OTG / DRC USB controller + used on almost all sunxi boards. Note currently u-boot can only have + one usb host controller enabled at a time, so enabling this on boards + which also use the ehci host controller will result in build errors. + config USB_KEYBOARD boolean "Enable USB keyboard support" default y diff --git a/board/sunxi/board.c b/board/sunxi/board.c index 6b19f75..b70e00c 100644 --- a/board/sunxi/board.c +++ b/board/sunxi/board.c @@ -28,7 +28,9 @@ #include <asm/arch/dram.h> #include <asm/arch/gpio.h> #include <asm/arch/mmc.h> +#include <asm/arch/usbc.h> #include <asm/io.h> +#include <linux/usb/musb.h> #include <net.h> DECLARE_GLOBAL_DATA_PTR; @@ -209,6 +211,26 @@ void sunxi_board_init(void) } #endif +#if defined(CONFIG_MUSB_HOST) || defined(CONFIG_MUSB_GADGET) +static struct musb_hdrc_config musb_config = { + .multipoint = 1, + .dyn_fifo = 1, + .num_eps = 6, + .ram_bits = 11, +}; + +static struct musb_hdrc_platform_data musb_plat = { +#if defined(CONFIG_MUSB_HOST) + .mode = MUSB_HOST, +#else + .mode = MUSB_PERIPHERAL, +#endif + .config = &musb_config, + .power = 250, + .platform_ops = &sunxi_musb_ops, +}; +#endif + #ifdef CONFIG_MISC_INIT_R int misc_init_r(void) { @@ -228,6 +250,9 @@ int misc_init_r(void) eth_setenv_enetaddr("ethaddr", mac_addr); } +#if defined(CONFIG_MUSB_HOST) || defined(CONFIG_MUSB_GADGET) + musb_register(&musb_plat, NULL, (void *)SUNXI_USB0_BASE); +#endif return 0; } #endif |