diff options
| -rw-r--r-- | board/logicpd/am3517evm/am3517evm.c | 74 | ||||
| -rw-r--r-- | include/configs/am3517_evm.h | 33 |
2 files changed, 88 insertions, 19 deletions
diff --git a/board/logicpd/am3517evm/am3517evm.c b/board/logicpd/am3517evm/am3517evm.c index d316f33cd..0b3721ed8 100644 --- a/board/logicpd/am3517evm/am3517evm.c +++ b/board/logicpd/am3517evm/am3517evm.c @@ -25,12 +25,20 @@ #include <common.h> #include <asm/io.h> +#include <asm/omap_musb.h> +#include <asm/arch/am35x_def.h> #include <asm/arch/mem.h> #include <asm/arch/mux.h> #include <asm/arch/sys_proto.h> #include <asm/arch/mmc_host_def.h> +#include <asm/arch/musb.h> #include <asm/mach-types.h> +#include <asm/errno.h> +#include <linux/usb/ch9.h> +#include <linux/usb/gadget.h> +#include <linux/usb/musb.h> #include <i2c.h> +#include <netdev.h> #include "am3517evm.h" DECLARE_GLOBAL_DATA_PTR; @@ -50,6 +58,52 @@ int board_init(void) return 0; } +#ifdef CONFIG_USB_MUSB_AM35X +static struct musb_hdrc_config musb_config = { + .multipoint = 1, + .dyn_fifo = 1, + .num_eps = 16, + .ram_bits = 12, +}; + +static struct omap_musb_board_data musb_board_data = { + .set_phy_power = am35x_musb_phy_power, + .clear_irq = am35x_musb_clear_irq, + .reset = am35x_musb_reset, +}; + +static struct musb_hdrc_platform_data musb_plat = { +#if defined(CONFIG_MUSB_HOST) + .mode = MUSB_HOST, +#elif defined(CONFIG_MUSB_GADGET) + .mode = MUSB_PERIPHERAL, +#else +#error "Please define either CONFIG_MUSB_HOST or CONFIG_MUSB_GADGET" +#endif + .config = &musb_config, + .power = 250, + .platform_ops = &am35x_ops, + .board_data = &musb_board_data, +}; + +static void am3517_evm_musb_init(void) +{ + /* + * Set up USB clock/mode in the DEVCONF2 register. + * USB2.0 PHY reference clock is 13 MHz + */ + clrsetbits_le32(&am35x_scm_general_regs->devconf2, + CONF2_REFFREQ | CONF2_OTGMODE | CONF2_PHY_GPIOMODE, + CONF2_REFFREQ_13MHZ | CONF2_SESENDEN | + CONF2_VBDTCTEN | CONF2_DATPOL); + + musb_register(&musb_plat, &musb_board_data, + (void *)AM35XX_IPSS_USBOTGSS_BASE); +} +#else +#define am3517_evm_musb_init() do {} while (0) +#endif + /* * Routine: misc_init_r * Description: Init i2c, ethernet, etc... (done here so udelay works) @@ -62,6 +116,8 @@ int misc_init_r(void) dieid_num_r(); + am3517_evm_musb_init(); + return 0; } @@ -83,3 +139,21 @@ int board_mmc_init(bd_t *bis) return 0; } #endif + +#if defined(CONFIG_USB_ETHER) && defined(CONFIG_MUSB_GADGET) +int board_eth_init(bd_t *bis) +{ + int rv, n = 0; + + rv = cpu_eth_init(bis); + if (rv > 0) + n += rv; + + rv = usb_eth_initialize(bis); + if (rv > 0) + n += rv; + + return n; +} +#endif + diff --git a/include/configs/am3517_evm.h b/include/configs/am3517_evm.h index ce71d1335..9484e5529 100644 --- a/include/configs/am3517_evm.h +++ b/include/configs/am3517_evm.h @@ -97,15 +97,16 @@ /* * USB configuration - * Enable CONFIG_MUSB_HCD for Host functionalities MSC, keyboard - * Enable CONFIG_MUSB_UDC for Device functionalities. + * Enable CONFIG_MUSB_HOST for Host functionalities MSC, keyboard + * Enable CONFIG_MUSB_GADGET for Device functionalities. */ -#define CONFIG_USB_AM35X 1 -#define CONFIG_MUSB_HCD 1 +#define CONFIG_USB_MUSB_AM35X +#define CONFIG_MUSB_HOST +#define CONFIG_MUSB_PIO_ONLY -#ifdef CONFIG_USB_AM35X +#ifdef CONFIG_USB_MUSB_AM35X -#ifdef CONFIG_MUSB_HCD +#ifdef CONFIG_MUSB_HOST #define CONFIG_CMD_USB #define CONFIG_USB_STORAGE @@ -117,21 +118,15 @@ #define CONFIG_PREBOOT "usb start" #endif /* CONFIG_USB_KEYBOARD */ -#endif /* CONFIG_MUSB_HCD */ +#endif /* CONFIG_MUSB_HOST */ -#ifdef CONFIG_MUSB_UDC -/* USB device configuration */ -#define CONFIG_USB_DEVICE 1 -#define CONFIG_USB_TTY 1 -#define CONFIG_SYS_CONSOLE_IS_IN_ENV 1 -/* Change these to suit your needs */ -#define CONFIG_USBD_VENDORID 0x0451 -#define CONFIG_USBD_PRODUCTID 0x5678 -#define CONFIG_USBD_MANUFACTURER "Texas Instruments" -#define CONFIG_USBD_PRODUCT_NAME "AM3517EVM" -#endif /* CONFIG_MUSB_UDC */ +#ifdef CONFIG_MUSB_GADGET +#define CONFIG_USB_GADGET_DUALSPEED +#define CONFIG_USB_ETHER +#define CONFIG_USB_ETH_RNDIS +#endif /* CONFIG_MUSB_GADGET */ -#endif /* CONFIG_USB_AM35X */ +#endif /* CONFIG_USB_MUSB_AM35X */ /* commands to include */ #include <config_cmd_default.h> |