diff options
| -rw-r--r-- | arch/arm/mach-omap2/Makefile | 3 | ||||
| -rw-r--r-- | arch/arm/mach-omap2/board-4430sdp.c | 19 | ||||
| -rw-r--r-- | arch/arm/mach-omap2/board-am3517evm.c | 4 | ||||
| -rw-r--r-- | arch/arm/mach-omap2/omap_hwmod_2430_data.c | 101 | ||||
| -rw-r--r-- | arch/arm/mach-omap2/omap_hwmod_3xxx_data.c | 165 | ||||
| -rw-r--r-- | arch/arm/mach-omap2/omap_phy_internal.c | 93 | ||||
| -rw-r--r-- | arch/arm/mach-omap2/usb-musb.c | 219 | ||||
| -rw-r--r-- | arch/arm/plat-omap/include/plat/usb.h | 4 |
8 files changed, 452 insertions, 156 deletions
diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile index ec24999..ee72a97 100644 --- a/arch/arm/mach-omap2/Makefile +++ b/arch/arm/mach-omap2/Makefile @@ -218,7 +218,8 @@ obj-$(CONFIG_MACH_OMAP4_PANDA) += board-omap4panda.o \ hsmmc.o \ omap_phy_internal.o -obj-$(CONFIG_MACH_OMAP3517EVM) += board-am3517evm.o +obj-$(CONFIG_MACH_OMAP3517EVM) += board-am3517evm.o \ + omap_phy_internal.o \ obj-$(CONFIG_MACH_CRANEBOARD) += board-am3517crane.o diff --git a/arch/arm/mach-omap2/board-4430sdp.c b/arch/arm/mach-omap2/board-4430sdp.c index 12d99e5..bf82684 100644 --- a/arch/arm/mach-omap2/board-4430sdp.c +++ b/arch/arm/mach-omap2/board-4430sdp.c @@ -44,7 +44,6 @@ #define ETH_KS8851_IRQ 34 #define ETH_KS8851_POWER_ON 48 #define ETH_KS8851_QUART 138 -#define OMAP4SDP_MDM_PWR_EN_GPIO 157 #define OMAP4_SFH7741_SENSOR_OUTPUT_GPIO 184 #define OMAP4_SFH7741_ENABLE_GPIO 188 @@ -250,16 +249,6 @@ static void __init omap_4430sdp_init_early(void) #endif } -static const struct ehci_hcd_omap_platform_data ehci_pdata __initconst = { - .port_mode[0] = EHCI_HCD_OMAP_MODE_PHY, - .port_mode[1] = EHCI_HCD_OMAP_MODE_UNKNOWN, - .port_mode[2] = EHCI_HCD_OMAP_MODE_UNKNOWN, - .phy_reset = false, - .reset_gpio_port[0] = -EINVAL, - .reset_gpio_port[1] = -EINVAL, - .reset_gpio_port[2] = -EINVAL, -}; - static struct omap_musb_board_data musb_board_data = { .interface_type = MUSB_INTERFACE_UTMI, .mode = MUSB_OTG, @@ -575,14 +564,6 @@ static void __init omap_4430sdp_init(void) omap_serial_init(); omap4_twl6030_hsmmc_init(mmc); - /* Power on the ULPI PHY */ - status = gpio_request(OMAP4SDP_MDM_PWR_EN_GPIO, "USBB1 PHY VMDM_3V3"); - if (status) - pr_err("%s: Could not get USBB1 PHY GPIO\n", __func__); - else - gpio_direction_output(OMAP4SDP_MDM_PWR_EN_GPIO, 1); - - usb_ehci_init(&ehci_pdata); usb_musb_init(&musb_board_data); status = omap_ethernet_init(); diff --git a/arch/arm/mach-omap2/board-am3517evm.c b/arch/arm/mach-omap2/board-am3517evm.c index d0d0f55..8532d6e 100644 --- a/arch/arm/mach-omap2/board-am3517evm.c +++ b/arch/arm/mach-omap2/board-am3517evm.c @@ -408,6 +408,10 @@ static struct omap_musb_board_data musb_board_data = { .interface_type = MUSB_INTERFACE_ULPI, .mode = MUSB_OTG, .power = 500, + .set_phy_power = am35x_musb_phy_power, + .clear_irq = am35x_musb_clear_irq, + .set_mode = am35x_musb_set_mode, + .reset = am35x_musb_reset, }; static __init void am3517_evm_musb_init(void) diff --git a/arch/arm/mach-omap2/omap_hwmod_2430_data.c b/arch/arm/mach-omap2/omap_hwmod_2430_data.c index 60fe4aa..7ba688a 100644 --- a/arch/arm/mach-omap2/omap_hwmod_2430_data.c +++ b/arch/arm/mach-omap2/omap_hwmod_2430_data.c @@ -93,6 +93,16 @@ static struct omap_hwmod omap2430_uart3_hwmod; static struct omap_hwmod omap2430_i2c1_hwmod; static struct omap_hwmod omap2430_i2c2_hwmod; +static struct omap_hwmod omap2430_usbhsotg_hwmod; + +/* l3_core -> usbhsotg interface */ +static struct omap_hwmod_ocp_if omap2430_usbhsotg__l3 = { + .master = &omap2430_usbhsotg_hwmod, + .slave = &omap2430_l3_main_hwmod, + .clk = "core_l3_ck", + .user = OCP_USER_MPU, +}; + /* I2C IP block address space length (in bytes) */ #define OMAP2_I2C_AS_LEN 128 @@ -193,6 +203,35 @@ static struct omap_hwmod_ocp_if omap2_l4_core__uart3 = { .user = OCP_USER_MPU | OCP_USER_SDMA, }; +/* +* usbhsotg interface data +*/ +static struct omap_hwmod_addr_space omap2430_usbhsotg_addrs[] = { + { + .pa_start = OMAP243X_HS_BASE, + .pa_end = OMAP243X_HS_BASE + SZ_4K - 1, + .flags = ADDR_TYPE_RT + }, +}; + +/* l4_core ->usbhsotg interface */ +static struct omap_hwmod_ocp_if omap2430_l4_core__usbhsotg = { + .master = &omap2430_l4_core_hwmod, + .slave = &omap2430_usbhsotg_hwmod, + .clk = "usb_l4_ick", + .addr = omap2430_usbhsotg_addrs, + .addr_cnt = ARRAY_SIZE(omap2430_usbhsotg_addrs), + .user = OCP_USER_MPU, +}; + +static struct omap_hwmod_ocp_if *omap2430_usbhsotg_masters[] = { + &omap2430_usbhsotg__l3, +}; + +static struct omap_hwmod_ocp_if *omap2430_usbhsotg_slaves[] = { + &omap2430_l4_core__usbhsotg, +}; + /* Slave interfaces on the L4_CORE interconnect */ static struct omap_hwmod_ocp_if *omap2430_l4_core_slaves[] = { &omap2430_l3_main__l4_core, @@ -1133,6 +1172,64 @@ static struct omap_hwmod omap2430_mcspi3_hwmod = { .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP2430), }; +/* + * usbhsotg + */ +static struct omap_hwmod_class_sysconfig omap2430_usbhsotg_sysc = { + .rev_offs = 0x0400, + .sysc_offs = 0x0404, + .syss_offs = 0x0408, + .sysc_flags = (SYSC_HAS_SIDLEMODE | SYSC_HAS_MIDLEMODE| + SYSC_HAS_ENAWAKEUP | SYSC_HAS_SOFTRESET | + SYSC_HAS_AUTOIDLE), + .idlemodes = (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART | + MSTANDBY_FORCE | MSTANDBY_NO | MSTANDBY_SMART), + .sysc_fields = &omap_hwmod_sysc_type1, +}; + +static struct omap_hwmod_class usbotg_class = { + .name = "usbotg", + .sysc = &omap2430_usbhsotg_sysc, +}; + +/* usb_otg_hs */ +static struct omap_hwmod_irq_info omap2430_usbhsotg_mpu_irqs[] = { + + { .name = "mc", .irq = 92 }, + { .name = "dma", .irq = 93 }, +}; + +static struct omap_hwmod omap2430_usbhsotg_hwmod = { + .name = "usb_otg_hs", + .mpu_irqs = omap2430_usbhsotg_mpu_irqs, + .mpu_irqs_cnt = ARRAY_SIZE(omap2430_usbhsotg_mpu_irqs), + .main_clk = "usbhs_ick", + .prcm = { + .omap2 = { + .prcm_reg_id = 1, + .module_bit = OMAP2430_EN_USBHS_MASK, + .module_offs = CORE_MOD, + .idlest_reg_id = 1, + .idlest_idle_bit = OMAP2430_ST_USBHS_SHIFT, + }, + }, + .masters = omap2430_usbhsotg_masters, + .masters_cnt = ARRAY_SIZE(omap2430_usbhsotg_masters), + .slaves = omap2430_usbhsotg_slaves, + .slaves_cnt = ARRAY_SIZE(omap2430_usbhsotg_slaves), + .class = &usbotg_class, + /* + * Erratum ID: i479 idle_req / idle_ack mechanism potentially + * broken when autoidle is enabled + * workaround is to disable the autoidle bit at module level. + */ + .flags = HWMOD_NO_OCP_AUTOIDLE | HWMOD_SWSUP_SIDLE + | HWMOD_SWSUP_MSTANDBY, + .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP2430) +}; + + + static __initdata struct omap_hwmod *omap2430_hwmods[] = { &omap2430_l3_main_hwmod, &omap2430_l4_core_hwmod, @@ -1160,6 +1257,10 @@ static __initdata struct omap_hwmod *omap2430_hwmods[] = { &omap2430_mcspi1_hwmod, &omap2430_mcspi2_hwmod, &omap2430_mcspi3_hwmod, + + /* usbotg class*/ + &omap2430_usbhsotg_hwmod, + NULL, }; diff --git a/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c b/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c index 800eda4..879f55f 100644 --- a/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c +++ b/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c @@ -29,6 +29,7 @@ #include "prm-regbits-34xx.h" #include "cm-regbits-34xx.h" #include "wd_timer.h" +#include <mach/am35xx.h> /* * OMAP3xxx hardware module integration data @@ -60,6 +61,7 @@ static struct omap_hwmod omap34xx_mcspi1; static struct omap_hwmod omap34xx_mcspi2; static struct omap_hwmod omap34xx_mcspi3; static struct omap_hwmod omap34xx_mcspi4; +static struct omap_hwmod am35xx_usbhsotg_hwmod; static struct omap_hwmod omap3xxx_dma_system_hwmod; @@ -112,7 +114,23 @@ static struct omap_hwmod omap3xxx_uart1_hwmod; static struct omap_hwmod omap3xxx_uart2_hwmod; static struct omap_hwmod omap3xxx_uart3_hwmod; static struct omap_hwmod omap3xxx_uart4_hwmod; +static struct omap_hwmod omap3xxx_usbhsotg_hwmod; +/* l3_core -> usbhsotg interface */ +static struct omap_hwmod_ocp_if omap3xxx_usbhsotg__l3 = { + .master = &omap3xxx_usbhsotg_hwmod, + .slave = &omap3xxx_l3_main_hwmod, + .clk = "core_l3_ick", + .user = OCP_USER_MPU, +}; + +/* l3_core -> am35xx_usbhsotg interface */ +static struct omap_hwmod_ocp_if am35xx_usbhsotg__l3 = { + .master = &am35xx_usbhsotg_hwmod, + .slave = &omap3xxx_l3_main_hwmod, + .clk = "core_l3_ick", + .user = OCP_USER_MPU, +}; /* L4_CORE -> L4_WKUP interface */ static struct omap_hwmod_ocp_if omap3xxx_l4_core__l4_wkup = { .master = &omap3xxx_l4_core_hwmod, @@ -306,6 +324,61 @@ static struct omap_hwmod_ocp_if omap3_l4_core__sr2 = { .user = OCP_USER_MPU, }; +/* +* usbhsotg interface data +*/ + +static struct omap_hwmod_addr_space omap3xxx_usbhsotg_addrs[] = { + { + .pa_start = OMAP34XX_HSUSB_OTG_BASE, + .pa_end = OMAP34XX_HSUSB_OTG_BASE + SZ_4K - 1, + .flags = ADDR_TYPE_RT + }, +}; + +/* l4_core -> usbhsotg */ +static struct omap_hwmod_ocp_if omap3xxx_l4_core__usbhsotg = { + .master = &omap3xxx_l4_core_hwmod, + .slave = &omap3xxx_usbhsotg_hwmod, + .clk = "l4_ick", + .addr = omap3xxx_usbhsotg_addrs, + .addr_cnt = ARRAY_SIZE(omap3xxx_usbhsotg_addrs), + .user = OCP_USER_MPU, +}; + +static struct omap_hwmod_ocp_if *omap3xxx_usbhsotg_masters[] = { + &omap3xxx_usbhsotg__l3, +}; + +static struct omap_hwmod_ocp_if *omap3xxx_usbhsotg_slaves[] = { + &omap3xxx_l4_core__usbhsotg, +}; + +static struct omap_hwmod_addr_space am35xx_usbhsotg_addrs[] = { + { + .pa_start = AM35XX_IPSS_USBOTGSS_BASE, + .pa_end = AM35XX_IPSS_USBOTGSS_BASE + SZ_4K - 1, + .flags = ADDR_TYPE_RT + }, +}; + +/* l4_core -> usbhsotg */ +static struct omap_hwmod_ocp_if am35xx_l4_core__usbhsotg = { + .master = &omap3xxx_l4_core_hwmod, + .slave = &am35xx_usbhsotg_hwmod, + .clk = "l4_ick", + .addr = am35xx_usbhsotg_addrs, + .addr_cnt = ARRAY_SIZE(am35xx_usbhsotg_addrs), + .user = OCP_USER_MPU, +}; + +static struct omap_hwmod_ocp_if *am35xx_usbhsotg_masters[] = { + &am35xx_usbhsotg__l3, +}; + +static struct omap_hwmod_ocp_if *am35xx_usbhsotg_slaves[] = { + &am35xx_l4_core__usbhsotg, +}; /* Slave interfaces on the L4_CORE interconnect */ static struct omap_hwmod_ocp_if *omap3xxx_l4_core_slaves[] = { &omap3xxx_l3_main__l4_core, @@ -1630,6 +1703,91 @@ static struct omap_hwmod omap34xx_mcspi4 = { .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430), }; +/* + * usbhsotg + */ +static struct omap_hwmod_class_sysconfig omap3xxx_usbhsotg_sysc = { + .rev_offs = 0x0400, + .sysc_offs = 0x0404, + .syss_offs = 0x0408, + .sysc_flags = (SYSC_HAS_SIDLEMODE | SYSC_HAS_MIDLEMODE| + SYSC_HAS_ENAWAKEUP | SYSC_HAS_SOFTRESET | + SYSC_HAS_AUTOIDLE), + .idlemodes = (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART | + MSTANDBY_FORCE | MSTANDBY_NO | MSTANDBY_SMART), + .sysc_fields = &omap_hwmod_sysc_type1, +}; + +static struct omap_hwmod_class usbotg_class = { + .name = "usbotg", + .sysc = &omap3xxx_usbhsotg_sysc, +}; +/* usb_otg_hs */ +static struct omap_hwmod_irq_info omap3xxx_usbhsotg_mpu_irqs[] = { + + { .name = "mc", .irq = 92 }, + { .name = "dma", .irq = 93 }, +}; + +static struct omap_hwmod omap3xxx_usbhsotg_hwmod = { + .name = "usb_otg_hs", + .mpu_irqs = omap3xxx_usbhsotg_mpu_irqs, + .mpu_irqs_cnt = ARRAY_SIZE(omap3xxx_usbhsotg_mpu_irqs), + .main_clk = "hsotgusb_ick", + .prcm = { + .omap2 = { + .prcm_reg_id = 1, + .module_bit = OMAP3430_EN_HSOTGUSB_SHIFT, + .module_offs = CORE_MOD, + .idlest_reg_id = 1, + .idlest_idle_bit = OMAP3430ES2_ST_HSOTGUSB_IDLE_SHIFT, + .idlest_stdby_bit = OMAP3430ES2_ST_HSOTGUSB_STDBY_SHIFT + }, + }, + .masters = omap3xxx_usbhsotg_masters, + .masters_cnt = ARRAY_SIZE(omap3xxx_usbhsotg_masters), + .slaves = omap3xxx_usbhsotg_slaves, + .slaves_cnt = ARRAY_SIZE(omap3xxx_usbhsotg_slaves), + .class = &usbotg_class, + + /* + * Erratum ID: i479 idle_req / idle_ack mechanism potentially + * broken when autoidle is enabled + * workaround is to disable the autoidle bit at module level. + */ + .flags = HWMOD_NO_OCP_AUTOIDLE | HWMOD_SWSUP_SIDLE + | HWMOD_SWSUP_MSTANDBY, + .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430) +}; + +/* usb_otg_hs */ +static struct omap_hwmod_irq_info am35xx_usbhsotg_mpu_irqs[] = { + + { .name = "mc", .irq = 71 }, +}; + +static struct omap_hwmod_class am35xx_usbotg_class = { + .name = "am35xx_usbotg", + .sysc = NULL, +}; + +static struct omap_hwmod am35xx_usbhsotg_hwmod = { + .name = "am35x_otg_hs", + .mpu_irqs = am35xx_usbhsotg_mpu_irqs, + .mpu_irqs_cnt = ARRAY_SIZE(am35xx_usbhsotg_mpu_irqs), + .main_clk = NULL, + .prcm = { + .omap2 = { + }, + }, + .masters = am35xx_usbhsotg_masters, + .masters_cnt = ARRAY_SIZE(am35xx_usbhsotg_masters), + .slaves = am35xx_usbhsotg_slaves, + .slaves_cnt = ARRAY_SIZE(am35xx_usbhsotg_slaves), + .class = &am35xx_usbotg_class, + .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430ES3_1) +}; + static __initdata struct omap_hwmod *omap3xxx_hwmods[] = { &omap3xxx_l3_main_hwmod, &omap3xxx_l4_core_hwmod, @@ -1667,6 +1825,13 @@ static __initdata struct omap_hwmod *omap3xxx_hwmods[] = { &omap34xx_mcspi2, &omap34xx_mcspi3, &omap34xx_mcspi4, + + /* usbotg class */ + &omap3xxx_usbhsotg_hwmod, + + /* usbotg for am35x */ + &am35xx_usbhsotg_hwmod, + NULL, }; diff --git a/arch/arm/mach-omap2/omap_phy_internal.c b/arch/arm/mach-omap2/omap_phy_internal.c index 745252c..f172ec0 100644 --- a/arch/arm/mach-omap2/omap_phy_internal.c +++ b/arch/arm/mach-omap2/omap_phy_internal.c @@ -29,6 +29,7 @@ #include <linux/usb.h> #include <plat/usb.h> +#include "control.h" /* OMAP control module register for UTMI PHY */ #define CONTROL_DEV_CONF 0x300 @@ -147,3 +148,95 @@ int omap4430_phy_exit(struct device *dev) return 0; } + +void am35x_musb_reset(void) +{ + u32 regval; + + /* Reset the musb interface */ + regval = omap_ctrl_readl(AM35XX_CONTROL_IP_SW_RESET); + + regval |= AM35XX_USBOTGSS_SW_RST; + omap_ctrl_writel(regval, AM35XX_CONTROL_IP_SW_RESET); + + regval &= ~AM35XX_USBOTGSS_SW_RST; + omap_ctrl_writel(regval, AM35XX_CONTROL_IP_SW_RESET); + + regval = omap_ctrl_readl(AM35XX_CONTROL_IP_SW_RESET); +} + +void am35x_musb_phy_power(u8 on) +{ + unsigned long timeout = jiffies + msecs_to_jiffies(100); + u32 devconf2; + + if (on) { + /* + * Start the on-chip PHY and its PLL. + */ + devconf2 = omap_ctrl_readl(AM35XX_CONTROL_DEVCONF2); + + devconf2 &= ~(CONF2_RESET | CONF2_PHYPWRDN | CONF2_OTGPWRDN); + devconf2 |= CONF2_PHY_PLLON; + + omap_ctrl_writel(devconf2, AM35XX_CONTROL_DEVCONF2); + + pr_info(KERN_INFO "Waiting for PHY clock good...\n"); + while (!(omap_ctrl_readl(AM35XX_CONTROL_DEVCONF2) + & CONF2_PHYCLKGD)) { + cpu_relax(); + + if (time_after(jiffies, timeout)) { + pr_err(KERN_ERR "musb PHY clock good timed out\n"); + break; + } + } + } else { + /* + * Power down the on-chip PHY. + */ + devconf2 = omap_ctrl_readl(AM35XX_CONTROL_DEVCONF2); + + devconf2 &= ~CONF2_PHY_PLLON; + devconf2 |= CONF2_PHYPWRDN | CONF2_OTGPWRDN; + omap_ctrl_writel(devconf2, AM35XX_CONTROL_DEVCONF2); + } +} + +void am35x_musb_clear_irq(void) +{ + u32 regval; + + regval = omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR); + regval |= AM35XX_USBOTGSS_INT_CLR; + omap_ctrl_writel(regval, AM35XX_CONTROL_LVL_INTR_CLEAR); + regval = omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR); +} + +void am35x_musb_set_mode(u8 musb_mode) +{ + u32 devconf2 = omap_ctrl_readl(AM35XX_CONTROL_DEVCONF2); + + devconf2 &= ~CONF2_OTGMODE; + switch (musb_mode) { +#ifdef CONFIG_USB_MUSB_HDRC_HCD + case MUSB_HOST: /* Force VBUS valid, ID = 0 */ + devconf2 |= CONF2_FORCE_HOST; + break; +#endif +#ifdef CONFIG_USB_GADGET_MUSB_HDRC + case MUSB_PERIPHERAL: /* Force VBUS valid, ID = 1 */ + devconf2 |= CONF2_FORCE_DEVICE; + break; +#endif +#ifdef CONFIG_USB_MUSB_OTG + case MUSB_OTG: /* Don't override the VBUS/ID comparators */ + devconf2 |= CONF2_NO_OVERRIDE; + break; +#endif + default: + pr_info(KERN_INFO "Unsupported mode %u\n", musb_mode); + } + + omap_ctrl_writel(devconf2, AM35XX_CONTROL_DEVCONF2); +} diff --git a/arch/arm/mach-omap2/usb-musb.c b/arch/arm/mach-omap2/usb-musb.c index 5298949..a9d4d14 100644 --- a/arch/arm/mach-omap2/usb-musb.c +++ b/arch/arm/mach-omap2/usb-musb.c @@ -30,118 +30,11 @@ #include <mach/irqs.h> #include <mach/am35xx.h> #include <plat/usb.h> -#include "control.h" +#include <plat/omap_device.h> +#include "mux.h" #if defined(CONFIG_USB_MUSB_OMAP2PLUS) || defined (CONFIG_USB_MUSB_AM35X) -static void am35x_musb_reset(void) -{ - u32 regval; - - /* Reset the musb interface */ - regval = omap_ctrl_readl(AM35XX_CONTROL_IP_SW_RESET); - - regval |= AM35XX_USBOTGSS_SW_RST; - omap_ctrl_writel(regval, AM35XX_CONTROL_IP_SW_RESET); - - regval &= ~AM35XX_USBOTGSS_SW_RST; - omap_ctrl_writel(regval, AM35XX_CONTROL_IP_SW_RESET); - - regval = omap_ctrl_readl(AM35XX_CONTROL_IP_SW_RESET); -} - -static void am35x_musb_phy_power(u8 on) -{ - unsigned long timeout = jiffies + msecs_to_jiffies(100); - u32 devconf2; - - if (on) { - /* - * Start the on-chip PHY and its PLL. - */ - devconf2 = omap_ctrl_readl(AM35XX_CONTROL_DEVCONF2); - - devconf2 &= ~(CONF2_RESET | CONF2_PHYPWRDN | CONF2_OTGPWRDN); - devconf2 |= CONF2_PHY_PLLON; - - omap_ctrl_writel(devconf2, AM35XX_CONTROL_DEVCONF2); - - pr_info(KERN_INFO "Waiting for PHY clock good...\n"); - while (!(omap_ctrl_readl(AM35XX_CONTROL_DEVCONF2) - & CONF2_PHYCLKGD)) { - cpu_relax(); - - if (time_after(jiffies, timeout)) { - pr_err(KERN_ERR "musb PHY clock good timed out\n"); - break; - } - } - } else { - /* - * Power down the on-chip PHY. - */ - devconf2 = omap_ctrl_readl(AM35XX_CONTROL_DEVCONF2); - - devconf2 &= ~CONF2_PHY_PLLON; - devconf2 |= CONF2_PHYPWRDN | CONF2_OTGPWRDN; - omap_ctrl_writel(devconf2, AM35XX_CONTROL_DEVCONF2); - } -} - -static void am35x_musb_clear_irq(void) -{ - u32 regval; - - regval = omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR); - regval |= AM35XX_USBOTGSS_INT_CLR; - omap_ctrl_writel(regval, AM35XX_CONTROL_LVL_INTR_CLEAR); - regval = omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR); -} - -static void am35x_musb_set_mode(u8 musb_mode) -{ - u32 devconf2 = omap_ctrl_readl(AM35XX_CONTROL_DEVCONF2); - - devconf2 &= ~CONF2_OTGMODE; - switch (musb_mode) { -#ifdef CONFIG_USB_MUSB_HDRC_HCD - case MUSB_HOST: /* Force VBUS valid, ID = 0 */ - devconf2 |= CONF2_FORCE_HOST; - break; -#endif -#ifdef CONFIG_USB_GADGET_MUSB_HDRC - case MUSB_PERIPHERAL: /* Force VBUS valid, ID = 1 */ - devconf2 |= CONF2_FORCE_DEVICE; - break; -#endif -#ifdef CONFIG_USB_MUSB_OTG - case MUSB_OTG: /* Don't override the VBUS/ID comparators */ - devconf2 |= CONF2_NO_OVERRIDE; - break; -#endif - default: - pr_info(KERN_INFO "Unsupported mode %u\n", musb_mode); - } - - omap_ctrl_writel(devconf2, AM35XX_CONTROL_DEVCONF2); -} - -static struct resource musb_resources[] = { - [0] = { /* start and end set dynamically */ - .flags = IORESOURCE_MEM, - }, - [1] = { /* general IRQ */ - .start = INT_243X_HS_USB_MC, - .flags = IORESOURCE_IRQ, - .name = "mc", - }, - [2] = { /* DMA IRQ */ - .start = INT_243X_HS_USB_DMA, - .flags = IORESOURCE_IRQ, - .name = "dma", - }, -}; - static struct musb_hdrc_config musb_config = { .multipoint = 1, .dyn_fifo = 1, @@ -169,38 +62,65 @@ static struct musb_hdrc_platform_data musb_plat = { static u64 musb_dmamask = DMA_BIT_MASK(32); -static struct platform_device musb_device = { - .name = "musb-omap2430", - .id = -1, - .dev = { - .dma_mask = &musb_dmamask, - .coherent_dma_mask = DMA_BIT_MASK(32), - .platform_data = &musb_plat, +static struct omap_device_pm_latency omap_musb_latency[] = { + { + .deactivate_func = omap_device_idle_hwmods, + .activate_func = omap_device_enable_hwmods, + .flags = OMAP_DEVICE_LATENCY_AUTO_ADJUST, }, - .num_resources = ARRAY_SIZE(musb_resources), - .resource = musb_resources, }; +static void usb_musb_mux_init(struct omap_musb_board_data *board_data) +{ + switch (board_data->interface_type) { + case MUSB_INTERFACE_UTMI: + omap_mux_init_signal("usba0_otg_dp", OMAP_PIN_INPUT); + omap_mux_init_signal("usba0_otg_dm", OMAP_PIN_INPUT); + break; + case MUSB_INTERFACE_ULPI: + omap_mux_init_signal("usba0_ulpiphy_clk", + OMAP_PIN_INPUT_PULLDOWN); + omap_mux_init_signal("usba0_ulpiphy_stp", + OMAP_PIN_INPUT_PULLDOWN); + omap_mux_init_signal("usba0_ulpiphy_dir", + OMAP_PIN_INPUT_PULLDOWN); + omap_mux_init_signal("usba0_ulpiphy_nxt", + OMAP_PIN_INPUT_PULLDOWN); + omap_mux_init_signal("usba0_ulpiphy_dat0", + OMAP_PIN_INPUT_PULLDOWN); + omap_mux_init_signal("usba0_ulpiphy_dat1", + OMAP_PIN_INPUT_PULLDOWN); + omap_mux_init_signal("usba0_ulpiphy_dat2", + OMAP_PIN_INPUT_PULLDOWN); + omap_mux_init_signal("usba0_ulpiphy_dat3", + OMAP_PIN_INPUT_PULLDOWN); + omap_mux_init_signal("usba0_ulpiphy_dat4", + OMAP_PIN_INPUT_PULLDOWN); + omap_mux_init_signal("usba0_ulpiphy_dat5", + OMAP_PIN_INPUT_PULLDOWN); + omap_mux_init_signal("usba0_ulpiphy_dat6", + OMAP_PIN_INPUT_PULLDOWN); + omap_mux_init_signal("usba0_ulpiphy_dat7", + OMAP_PIN_INPUT_PULLDOWN); + break; + default: + break; + } +} + void __init usb_musb_init(struct omap_musb_board_data *board_data) { - if (cpu_is_omap243x()) { - musb_resources[0].start = OMAP243X_HS_BASE; - } else if (cpu_is_omap3517() || cpu_is_omap3505()) { - musb_device.name = "musb-am35x"; - musb_resources[0].start = AM35XX_IPSS_USBOTGSS_BASE; - musb_resources[1].start = INT_35XX_USBOTG_IRQ; - board_data->set_phy_power = am35x_musb_phy_power; - board_data->clear_irq = am35x_musb_clear_irq; - board_data->set_mode = am35x_musb_set_mode; - board_data->reset = am35x_musb_reset; - } else if (cpu_is_omap34xx()) { - musb_resources[0].start = OMAP34XX_HSUSB_OTG_BASE; + struct omap_hwmod *oh; + struct omap_device *od; + struct platform_device *pdev; + struct device *dev; + int bus_id = -1; + const char *oh_name, *name; + + if (cpu_is_omap3517() || cpu_is_omap3505()) { } else if (cpu_is_omap44xx()) { - musb_resources[0].start = OMAP44XX_HSUSB_OTG_BASE; - musb_resources[1].start = OMAP44XX_IRQ_HS_USB_MC_N; - musb_resources[2].start = OMAP44XX_IRQ_HS_USB_DMA_N; + usb_musb_mux_init(board_data); } - musb_resources[0].end = musb_resources[0].start + SZ_4K - 1; /* * REVISIT: This line can be removed once all the platforms using @@ -212,8 +132,35 @@ void __init usb_musb_init(struct omap_musb_board_data *board_data) musb_plat.mode = board_data->mode; musb_plat.extvbus = board_data->extvbus; - if (platform_device_register(&musb_device) < 0) - printk(KERN_ERR "Unable to register HS-USB (MUSB) device\n"); + if (cpu_is_omap3517() || cpu_is_omap3505()) { + oh_name = "am35x_otg_hs"; + name = "musb-am35x"; + } else { + oh_name = "usb_otg_hs"; + name = "musb-omap2430"; + } + + oh = omap_hwmod_lookup(oh_name); + if (!oh) { + pr_err("Could not look up %s\n", oh_name); + return; + } + + od = omap_device_build(name, bus_id, oh, &musb_plat, + sizeof(musb_plat), omap_musb_latency, + ARRAY_SIZE(omap_musb_latency), false); + if (IS_ERR(od)) { + pr_err("Could not build omap_device for %s %s\n", + name, oh_name); + return; + } + + pdev = &od->pdev; + dev = &pdev->dev; + get_device(dev); + dev->dma_mask = &musb_dmamask; + dev->coherent_dma_mask = musb_dmamask; + put_device(dev); } #else diff --git a/arch/arm/plat-omap/include/plat/usb.h b/arch/arm/plat-omap/include/plat/usb.h index 450a332..0771927 100644 --- a/arch/arm/plat-omap/include/plat/usb.h +++ b/arch/arm/plat-omap/include/plat/usb.h @@ -91,6 +91,10 @@ extern int omap4430_phy_exit(struct device *dev); #endif +extern void am35x_musb_reset(void); +extern void am35x_musb_phy_power(u8 on); +extern void am35x_musb_clear_irq(void); +extern void am35x_musb_set_mode(u8 musb_mode); /* * FIXME correct answer depends on hmc_mode, |