omap3: cm-t3517: add USB support
Add both host and mUSB support. Currently, the selection between host USB and mUSB is done through the config file. Signed-off-by: Igor Grinberg <grinberg@compulab.co.il> Reviewed-by: Tom Rini <trini@ti.com>
This commit is contained in:
Igor Grinberg
Tom Rini
parent
b09bf72317
commit
011f5c13f8
@ -8,14 +8,19 @@
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#include <common.h>
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#include <status_led.h>
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#include <usb.h>
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#include <mmc.h>
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#include <linux/compiler.h>
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#include <linux/usb/musb.h>
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#include <asm/io.h>
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#include <asm/arch/mem.h>
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#include <asm/arch/am35x_def.h>
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#include <asm/arch/mmc_host_def.h>
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#include <asm/arch/sys_proto.h>
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#include <asm/arch/musb.h>
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#include <asm/omap_musb.h>
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#include <asm/ehci-omap.h>
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#include "../common/common.h"
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@ -27,6 +32,53 @@ const omap3_sysinfo sysinfo = {
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"NAND 128/512M",
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};
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#ifdef CONFIG_USB_MUSB_AM35X
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static struct musb_hdrc_config cm_t3517_musb_config = {
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.multipoint = 1,
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.dyn_fifo = 1,
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.num_eps = 16,
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.ram_bits = 12,
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};
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static struct omap_musb_board_data cm_t3517_musb_board_data = {
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.set_phy_power = am35x_musb_phy_power,
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.clear_irq = am35x_musb_clear_irq,
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.reset = am35x_musb_reset,
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};
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static struct musb_hdrc_platform_data cm_t3517_musb_pdata = {
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#if defined(CONFIG_MUSB_HOST)
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.mode = MUSB_HOST,
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#elif defined(CONFIG_MUSB_GADGET)
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.mode = MUSB_PERIPHERAL,
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#else
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#error "Please define either CONFIG_MUSB_HOST or CONFIG_MUSB_GADGET"
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#endif
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.config = &cm_t3517_musb_config,
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.power = 250,
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.platform_ops = &am35x_ops,
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.board_data = &cm_t3517_musb_board_data,
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};
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static void cm_t3517_musb_init(void)
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{
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/*
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* Set up USB clock/mode in the DEVCONF2 register.
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* USB2.0 PHY reference clock is 13 MHz
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*/
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clrsetbits_le32(&am35x_scm_general_regs->devconf2,
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CONF2_REFFREQ | CONF2_OTGMODE | CONF2_PHY_GPIOMODE,
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CONF2_REFFREQ_13MHZ | CONF2_SESENDEN |
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CONF2_VBDTCTEN | CONF2_DATPOL);
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if (musb_register(&cm_t3517_musb_pdata, &cm_t3517_musb_board_data,
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(void *)AM35XX_IPSS_USBOTGSS_BASE))
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printf("Failed initializing AM35x MUSB!\n");
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}
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#else
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static inline void am3517_evm_musb_init(void) {}
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#endif
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int board_init(void)
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{
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gpmc_init(); /* in SRAM or SDRAM, finish GPMC */
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@ -38,6 +90,8 @@ int board_init(void)
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status_led_set(STATUS_LED_BOOT, STATUS_LED_ON);
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#endif
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cm_t3517_musb_init();
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return 0;
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}
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@ -58,3 +112,31 @@ int board_mmc_init(bd_t *bis)
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return omap_mmc_init(0, 0, 0, SB_T35_CD_GPIO, SB_T35_WP_GPIO);
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}
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#endif
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#ifdef CONFIG_USB_EHCI_OMAP
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static struct omap_usbhs_board_data cm_t3517_usbhs_bdata = {
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.port_mode[0] = OMAP_EHCI_PORT_MODE_PHY,
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.port_mode[1] = OMAP_EHCI_PORT_MODE_PHY,
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.port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED,
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};
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#define CM_T3517_USB_HUB_RESET_GPIO 152
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#define SB_T35_USB_HUB_RESET_GPIO 98
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int ehci_hcd_init(int index, enum usb_init_type init,
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struct ehci_hccr **hccr, struct ehci_hcor **hcor)
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{
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cl_usb_hub_init(CM_T3517_USB_HUB_RESET_GPIO, "cm-t3517 hub rst");
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cl_usb_hub_init(SB_T35_USB_HUB_RESET_GPIO, "sb-t35 hub rst");
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return omap_ehci_hcd_init(index, &cm_t3517_usbhs_bdata, hccr, hcor);
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}
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int ehci_hcd_stop(void)
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{
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cl_usb_hub_deinit(CM_T3517_USB_HUB_RESET_GPIO);
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cl_usb_hub_deinit(SB_T35_USB_HUB_RESET_GPIO);
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return omap_ehci_hcd_stop();
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}
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#endif /* CONFIG_USB_EHCI_OMAP */
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@ -104,6 +104,10 @@ void set_muxconf_regs(void)
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MUX_VAL(CP(UART2_CTS), (IEN | PTU | EN | M4)); /*GPIO_144*/
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/* WIFI nRESET GPIO145 */
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MUX_VAL(CP(UART2_RTS), (IEN | PTD | EN | M4)); /*GPIO_145*/
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/* USB1 PHY Reset GPIO 146 */
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MUX_VAL(CP(UART2_TX), (IEN | PTD | EN | M4)); /*GPIO_146*/
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/* USB2 PHY Reset GPIO 147 */
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MUX_VAL(CP(UART2_RX), (IEN | PTD | EN | M4)); /*GPIO_147*/
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/* MMC1 */
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MUX_VAL(CP(MMC1_CLK), (IDIS | PTU | EN | M0));
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@ -119,12 +123,46 @@ void set_muxconf_regs(void)
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MUX_VAL(CP(I2C3_SCL), (IEN | PTU | EN | M0));
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MUX_VAL(CP(I2C3_SDA), (IEN | PTU | EN | M0));
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/* SB-T35 USB HUB Reset GPIO98 */
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MUX_VAL(CP(CCDC_WEN), (IDIS | PTU | EN | M4)); /*GPIO_98*/
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/* CM-T3517 USB HUB Reset GPIO152 */
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MUX_VAL(CP(MCBSP4_CLKX), (IDIS | PTD | DIS | M4)); /*GPIO_152*/
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/* Green LED GPIO186 */
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MUX_VAL(CP(SYS_CLKOUT2), (IDIS | PTU | DIS | M4)); /*GPIO_186*/
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/* RTC V3020 CS Enable GPIO160 */
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MUX_VAL(CP(MCBSP_CLKS), (IEN | PTD | EN | M4)); /*GPIO_160*/
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/* USB0 - mUSB */
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MUX_VAL(CP(USB0_DRVBUS), (IEN | PTD | EN | M0));
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/* USB1 EHCI */
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MUX_VAL(CP(ETK_D0_ES2), (IEN | PTD | EN | M3)); /*HSUSB1_DT0*/
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MUX_VAL(CP(ETK_D1_ES2), (IEN | PTD | EN | M3)); /*HSUSB1_DT1*/
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MUX_VAL(CP(ETK_D2_ES2), (IEN | PTD | EN | M3)); /*HSUSB1_DT2*/
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MUX_VAL(CP(ETK_D7_ES2), (IEN | PTD | EN | M3)); /*HSUSB1_DT3*/
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MUX_VAL(CP(ETK_D4_ES2), (IEN | PTD | EN | M3)); /*HSUSB1_DT4*/
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MUX_VAL(CP(ETK_D5_ES2), (IEN | PTD | EN | M3)); /*HSUSB1_DT5*/
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MUX_VAL(CP(ETK_D6_ES2), (IEN | PTD | EN | M3)); /*HSUSB1_DT6*/
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MUX_VAL(CP(ETK_D3_ES2), (IEN | PTD | EN | M3)); /*HSUSB1_DT7*/
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MUX_VAL(CP(ETK_D8_ES2), (IEN | PTD | EN | M3)); /*HSUSB1_DIR*/
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MUX_VAL(CP(ETK_D9_ES2), (IEN | PTD | EN | M3)); /*HSUSB1_NXT*/
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MUX_VAL(CP(ETK_CTL_ES2), (IDIS | PTD | DIS | M3)); /*HSUSB1_CLK*/
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MUX_VAL(CP(ETK_CLK_ES2), (IDIS | PTU | DIS | M3)); /*HSUSB1_STP*/
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/* USB2 EHCI */
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MUX_VAL(CP(ETK_D14_ES2), (IEN | PTD | EN | M3)); /*HSUSB2_DT0*/
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MUX_VAL(CP(ETK_D15_ES2), (IEN | PTD | EN | M3)); /*HSUSB2_DT1*/
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MUX_VAL(CP(MCSPI1_CS3), (IEN | PTD | EN | M3)); /*HSUSB2_DT2*/
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MUX_VAL(CP(MCSPI2_CS1), (IEN | PTD | EN | M3)); /*HSUSB2_DT3*/
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MUX_VAL(CP(MCSPI2_SIMO), (IEN | PTD | EN | M3)); /*HSUSB2_DT4*/
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MUX_VAL(CP(MCSPI2_SOMI), (IEN | PTD | EN | M3)); /*HSUSB2_DT5*/
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MUX_VAL(CP(MCSPI2_CS0), (IEN | PTD | EN | M3)); /*HSUSB2_DT6*/
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MUX_VAL(CP(MCSPI2_CLK), (IEN | PTD | EN | M3)); /*HSUSB2_DT7*/
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MUX_VAL(CP(ETK_D12_ES2), (IEN | PTD | EN | M3)); /*HSUSB2_DIR*/
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MUX_VAL(CP(ETK_D13_ES2), (IEN | PTD | EN | M3)); /*HSUSB2_NXT*/
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MUX_VAL(CP(ETK_D10_ES2), (IDIS | PTD | DIS | M3)); /*HSUSB2_CLK*/
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MUX_VAL(CP(ETK_D11_ES2), (IDIS | PTU | DIS | M3)); /*HSUSB2_STP*/
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/* SYS_BOOT */
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MUX_VAL(CP(SYS_BOOT0), (IEN | PTU | DIS | M4)); /*GPIO_2*/
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MUX_VAL(CP(SYS_BOOT1), (IEN | PTU | DIS | M4)); /*GPIO_3*/
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@ -98,6 +98,23 @@
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#define CONFIG_OMAP_HSMMC
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#define CONFIG_DOS_PARTITION
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/* USB */
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#define CONFIG_USB_MUSB_AM35X
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#ifndef CONFIG_USB_MUSB_AM35X
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#define CONFIG_USB_OMAP3
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#define CONFIG_USB_EHCI
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#define CONFIG_USB_EHCI_OMAP
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#define CONFIG_OMAP_EHCI_PHY1_RESET_GPIO 146
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#define CONFIG_OMAP_EHCI_PHY2_RESET_GPIO 147
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#else /* !CONFIG_USB_MUSB_AM35X */
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#define CONFIG_MUSB_HOST
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#define CONFIG_MUSB_PIO_ONLY
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#endif /* CONFIG_USB_MUSB_AM35X */
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#define CONFIG_USB_STORAGE
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#define CONFIG_CMD_USB
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/* commands to include */
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#include <config_cmd_default.h>
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