diff options
Diffstat (limited to 'board/compulab/cm_t3517/cm_t3517.c')
| -rw-r--r-- | board/compulab/cm_t3517/cm_t3517.c | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/board/compulab/cm_t3517/cm_t3517.c b/board/compulab/cm_t3517/cm_t3517.c index 056fc1581d..6abecc20af 100644 --- a/board/compulab/cm_t3517/cm_t3517.c +++ b/board/compulab/cm_t3517/cm_t3517.c @@ -8,14 +8,19 @@ #include <common.h> #include <status_led.h> +#include <usb.h> #include <mmc.h> #include <linux/compiler.h> +#include <linux/usb/musb.h> #include <asm/io.h> #include <asm/arch/mem.h> #include <asm/arch/am35x_def.h> #include <asm/arch/mmc_host_def.h> #include <asm/arch/sys_proto.h> +#include <asm/arch/musb.h> +#include <asm/omap_musb.h> +#include <asm/ehci-omap.h> #include "../common/common.h" @@ -27,6 +32,53 @@ const omap3_sysinfo sysinfo = { "NAND 128/512M", }; +#ifdef CONFIG_USB_MUSB_AM35X +static struct musb_hdrc_config cm_t3517_musb_config = { + .multipoint = 1, + .dyn_fifo = 1, + .num_eps = 16, + .ram_bits = 12, +}; + +static struct omap_musb_board_data cm_t3517_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 cm_t3517_musb_pdata = { +#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 = &cm_t3517_musb_config, + .power = 250, + .platform_ops = &am35x_ops, + .board_data = &cm_t3517_musb_board_data, +}; + +static void cm_t3517_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); + + if (musb_register(&cm_t3517_musb_pdata, &cm_t3517_musb_board_data, + (void *)AM35XX_IPSS_USBOTGSS_BASE)) + printf("Failed initializing AM35x MUSB!\n"); +} +#else +static inline void am3517_evm_musb_init(void) {} +#endif + int board_init(void) { gpmc_init(); /* in SRAM or SDRAM, finish GPMC */ @@ -38,6 +90,8 @@ int board_init(void) status_led_set(STATUS_LED_BOOT, STATUS_LED_ON); #endif + cm_t3517_musb_init(); + return 0; } @@ -58,3 +112,31 @@ int board_mmc_init(bd_t *bis) return omap_mmc_init(0, 0, 0, SB_T35_CD_GPIO, SB_T35_WP_GPIO); } #endif + +#ifdef CONFIG_USB_EHCI_OMAP +static struct omap_usbhs_board_data cm_t3517_usbhs_bdata = { + .port_mode[0] = OMAP_EHCI_PORT_MODE_PHY, + .port_mode[1] = OMAP_EHCI_PORT_MODE_PHY, + .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED, +}; + +#define CM_T3517_USB_HUB_RESET_GPIO 152 +#define SB_T35_USB_HUB_RESET_GPIO 98 + +int ehci_hcd_init(int index, enum usb_init_type init, + struct ehci_hccr **hccr, struct ehci_hcor **hcor) +{ + cl_usb_hub_init(CM_T3517_USB_HUB_RESET_GPIO, "cm-t3517 hub rst"); + cl_usb_hub_init(SB_T35_USB_HUB_RESET_GPIO, "sb-t35 hub rst"); + + return omap_ehci_hcd_init(index, &cm_t3517_usbhs_bdata, hccr, hcor); +} + +int ehci_hcd_stop(void) +{ + cl_usb_hub_deinit(CM_T3517_USB_HUB_RESET_GPIO); + cl_usb_hub_deinit(SB_T35_USB_HUB_RESET_GPIO); + + return omap_ehci_hcd_stop(); +} +#endif /* CONFIG_USB_EHCI_OMAP */ |