| /* |
| * linux/arch/arm/mach-omap2/usb-ehci.c |
| * |
| * This file will contain the board specific details for the |
| * Synopsys EHCI host controller on OMAP3430 |
| * |
| * Copyright (C) 2007 Texas Instruments |
| * Author: Vikram Pandita <vikram.pandita@ti.com> |
| * |
| * Generalization by: |
| * Felipe Balbi <felipe.balbi@nokia.com> |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License version 2 as |
| * published by the Free Software Foundation. |
| */ |
| |
| #include <linux/types.h> |
| #include <linux/errno.h> |
| #include <linux/delay.h> |
| #include <linux/platform_device.h> |
| #include <linux/clk.h> |
| #include <linux/dma-mapping.h> |
| |
| #include <asm/io.h> |
| #include <plat/mux.h> |
| |
| #include <mach/hardware.h> |
| #include <mach/irqs.h> |
| #include <plat/usb.h> |
| |
| #include "mux.h" |
| |
| #if defined(CONFIG_USB_EHCI_HCD) || defined(CONFIG_USB_EHCI_HCD_MODULE) |
| |
| static struct resource ehci_resources[] = { |
| { |
| .start = OMAP34XX_EHCI_BASE, |
| .end = OMAP34XX_EHCI_BASE + SZ_1K - 1, |
| .flags = IORESOURCE_MEM, |
| }, |
| { |
| .start = OMAP34XX_UHH_CONFIG_BASE, |
| .end = OMAP34XX_UHH_CONFIG_BASE + SZ_1K - 1, |
| .flags = IORESOURCE_MEM, |
| }, |
| { |
| .start = OMAP34XX_USBTLL_BASE, |
| .end = OMAP34XX_USBTLL_BASE + SZ_4K - 1, |
| .flags = IORESOURCE_MEM, |
| }, |
| { /* general IRQ */ |
| .start = INT_34XX_EHCI_IRQ, |
| .flags = IORESOURCE_IRQ, |
| } |
| }; |
| |
| static u64 ehci_dmamask = ~(u32)0; |
| static struct platform_device ehci_device = { |
| .name = "ehci-omap", |
| .id = 0, |
| .dev = { |
| .dma_mask = &ehci_dmamask, |
| .coherent_dma_mask = 0xffffffff, |
| .platform_data = NULL, |
| }, |
| .num_resources = ARRAY_SIZE(ehci_resources), |
| .resource = ehci_resources, |
| }; |
| |
| /* MUX settings for EHCI pins */ |
| /* |
| * setup_ehci_io_mux - initialize IO pad mux for USBHOST |
| */ |
| static void setup_ehci_io_mux(const enum ehci_hcd_omap_mode *port_mode) |
| { |
| switch (port_mode[0]) { |
| case EHCI_HCD_OMAP_MODE_PHY: |
| omap_mux_init_signal("hsusb1_stp", OMAP_PIN_OUTPUT); |
| omap_mux_init_signal("hsusb1_clk", OMAP_PIN_OUTPUT); |
| omap_mux_init_signal("hsusb1_dir", OMAP_PIN_INPUT_PULLDOWN); |
| omap_mux_init_signal("hsusb1_nxt", OMAP_PIN_INPUT_PULLDOWN); |
| omap_mux_init_signal("hsusb1_data0", OMAP_PIN_INPUT_PULLDOWN); |
| omap_mux_init_signal("hsusb1_data1", OMAP_PIN_INPUT_PULLDOWN); |
| omap_mux_init_signal("hsusb1_data2", OMAP_PIN_INPUT_PULLDOWN); |
| omap_mux_init_signal("hsusb1_data3", OMAP_PIN_INPUT_PULLDOWN); |
| omap_mux_init_signal("hsusb1_data4", OMAP_PIN_INPUT_PULLDOWN); |
| omap_mux_init_signal("hsusb1_data5", OMAP_PIN_INPUT_PULLDOWN); |
| omap_mux_init_signal("hsusb1_data6", OMAP_PIN_INPUT_PULLDOWN); |
| omap_mux_init_signal("hsusb1_data7", OMAP_PIN_INPUT_PULLDOWN); |
| break; |
| case EHCI_HCD_OMAP_MODE_TLL: |
| omap_mux_init_signal("hsusb1_tll_stp", |
| OMAP_PIN_INPUT_PULLUP); |
| omap_mux_init_signal("hsusb1_tll_clk", |
| OMAP_PIN_INPUT_PULLDOWN); |
| omap_mux_init_signal("hsusb1_tll_dir", |
| OMAP_PIN_INPUT_PULLDOWN); |
| omap_mux_init_signal("hsusb1_tll_nxt", |
| OMAP_PIN_INPUT_PULLDOWN); |
| omap_mux_init_signal("hsusb1_tll_data0", |
| OMAP_PIN_INPUT_PULLDOWN); |
| omap_mux_init_signal("hsusb1_tll_data1", |
| OMAP_PIN_INPUT_PULLDOWN); |
| omap_mux_init_signal("hsusb1_tll_data2", |
| OMAP_PIN_INPUT_PULLDOWN); |
| omap_mux_init_signal("hsusb1_tll_data3", |
| OMAP_PIN_INPUT_PULLDOWN); |
| omap_mux_init_signal("hsusb1_tll_data4", |
| OMAP_PIN_INPUT_PULLDOWN); |
| omap_mux_init_signal("hsusb1_tll_data5", |
| OMAP_PIN_INPUT_PULLDOWN); |
| omap_mux_init_signal("hsusb1_tll_data6", |
| OMAP_PIN_INPUT_PULLDOWN); |
| omap_mux_init_signal("hsusb1_tll_data7", |
| OMAP_PIN_INPUT_PULLDOWN); |
| break; |
| case EHCI_HCD_OMAP_MODE_UNKNOWN: |
| /* FALLTHROUGH */ |
| default: |
| break; |
| } |
| |
| switch (port_mode[1]) { |
| case EHCI_HCD_OMAP_MODE_PHY: |
| omap_mux_init_signal("hsusb2_stp", OMAP_PIN_OUTPUT); |
| omap_mux_init_signal("hsusb2_clk", OMAP_PIN_OUTPUT); |
| omap_mux_init_signal("hsusb2_dir", OMAP_PIN_INPUT_PULLDOWN); |
| omap_mux_init_signal("hsusb2_nxt", OMAP_PIN_INPUT_PULLDOWN); |
| omap_mux_init_signal("hsusb2_data0", |
| OMAP_PIN_INPUT_PULLDOWN); |
| omap_mux_init_signal("hsusb2_data1", |
| OMAP_PIN_INPUT_PULLDOWN); |
| omap_mux_init_signal("hsusb2_data2", |
| OMAP_PIN_INPUT_PULLDOWN); |
| omap_mux_init_signal("hsusb2_data3", |
| OMAP_PIN_INPUT_PULLDOWN); |
| omap_mux_init_signal("hsusb2_data4", |
| OMAP_PIN_INPUT_PULLDOWN); |
| omap_mux_init_signal("hsusb2_data5", |
| OMAP_PIN_INPUT_PULLDOWN); |
| omap_mux_init_signal("hsusb2_data6", |
| OMAP_PIN_INPUT_PULLDOWN); |
| omap_mux_init_signal("hsusb2_data7", |
| OMAP_PIN_INPUT_PULLDOWN); |
| break; |
| case EHCI_HCD_OMAP_MODE_TLL: |
| omap_mux_init_signal("hsusb2_tll_stp", |
| OMAP_PIN_INPUT_PULLUP); |
| omap_mux_init_signal("hsusb2_tll_clk", |
| OMAP_PIN_INPUT_PULLDOWN); |
| omap_mux_init_signal("hsusb2_tll_dir", |
| OMAP_PIN_INPUT_PULLDOWN); |
| omap_mux_init_signal("hsusb2_tll_nxt", |
| OMAP_PIN_INPUT_PULLDOWN); |
| omap_mux_init_signal("hsusb2_tll_data0", |
| OMAP_PIN_INPUT_PULLDOWN); |
| omap_mux_init_signal("hsusb2_tll_data1", |
| OMAP_PIN_INPUT_PULLDOWN); |
| omap_mux_init_signal("hsusb2_tll_data2", |
| OMAP_PIN_INPUT_PULLDOWN); |
| omap_mux_init_signal("hsusb2_tll_data3", |
| OMAP_PIN_INPUT_PULLDOWN); |
| omap_mux_init_signal("hsusb2_tll_data4", |
| OMAP_PIN_INPUT_PULLDOWN); |
| omap_mux_init_signal("hsusb2_tll_data5", |
| OMAP_PIN_INPUT_PULLDOWN); |
| omap_mux_init_signal("hsusb2_tll_data6", |
| OMAP_PIN_INPUT_PULLDOWN); |
| omap_mux_init_signal("hsusb2_tll_data7", |
| OMAP_PIN_INPUT_PULLDOWN); |
| break; |
| case EHCI_HCD_OMAP_MODE_UNKNOWN: |
| /* FALLTHROUGH */ |
| default: |
| break; |
| } |
| |
| switch (port_mode[2]) { |
| case EHCI_HCD_OMAP_MODE_PHY: |
| printk(KERN_WARNING "Port3 can't be used in PHY mode\n"); |
| break; |
| case EHCI_HCD_OMAP_MODE_TLL: |
| omap_mux_init_signal("hsusb3_tll_stp", |
| OMAP_PIN_INPUT_PULLUP); |
| omap_mux_init_signal("hsusb3_tll_clk", |
| OMAP_PIN_INPUT_PULLDOWN); |
| omap_mux_init_signal("hsusb3_tll_dir", |
| OMAP_PIN_INPUT_PULLDOWN); |
| omap_mux_init_signal("hsusb3_tll_nxt", |
| OMAP_PIN_INPUT_PULLDOWN); |
| omap_mux_init_signal("hsusb3_tll_data0", |
| OMAP_PIN_INPUT_PULLDOWN); |
| omap_mux_init_signal("hsusb3_tll_data1", |
| OMAP_PIN_INPUT_PULLDOWN); |
| omap_mux_init_signal("hsusb3_tll_data2", |
| OMAP_PIN_INPUT_PULLDOWN); |
| omap_mux_init_signal("hsusb3_tll_data3", |
| OMAP_PIN_INPUT_PULLDOWN); |
| omap_mux_init_signal("hsusb3_tll_data4", |
| OMAP_PIN_INPUT_PULLDOWN); |
| omap_mux_init_signal("hsusb3_tll_data5", |
| OMAP_PIN_INPUT_PULLDOWN); |
| omap_mux_init_signal("hsusb3_tll_data6", |
| OMAP_PIN_INPUT_PULLDOWN); |
| omap_mux_init_signal("hsusb3_tll_data7", |
| OMAP_PIN_INPUT_PULLDOWN); |
| break; |
| case EHCI_HCD_OMAP_MODE_UNKNOWN: |
| /* FALLTHROUGH */ |
| default: |
| break; |
| } |
| |
| return; |
| } |
| |
| void __init usb_ehci_init(const struct ehci_hcd_omap_platform_data *pdata) |
| { |
| platform_device_add_data(&ehci_device, pdata, sizeof(*pdata)); |
| |
| /* Setup Pin IO MUX for EHCI */ |
| if (cpu_is_omap34xx()) |
| setup_ehci_io_mux(pdata->port_mode); |
| |
| if (platform_device_register(&ehci_device) < 0) { |
| printk(KERN_ERR "Unable to register HS-USB (EHCI) device\n"); |
| return; |
| } |
| } |
| |
| #else |
| |
| void __init usb_ehci_init(const struct ehci_hcd_omap_platform_data *pdata) |
| |
| { |
| } |
| |
| #endif /* CONFIG_USB_EHCI_HCD */ |
| |
| #if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE) |
| |
| static struct resource ohci_resources[] = { |
| { |
| .start = OMAP34XX_OHCI_BASE, |
| .end = OMAP34XX_OHCI_BASE + SZ_1K - 1, |
| .flags = IORESOURCE_MEM, |
| }, |
| { |
| .start = OMAP34XX_UHH_CONFIG_BASE, |
| .end = OMAP34XX_UHH_CONFIG_BASE + SZ_1K - 1, |
| .flags = IORESOURCE_MEM, |
| }, |
| { |
| .start = OMAP34XX_USBTLL_BASE, |
| .end = OMAP34XX_USBTLL_BASE + SZ_4K - 1, |
| .flags = IORESOURCE_MEM, |
| }, |
| { /* general IRQ */ |
| .start = INT_34XX_OHCI_IRQ, |
| .flags = IORESOURCE_IRQ, |
| } |
| }; |
| |
| static u64 ohci_dmamask = DMA_BIT_MASK(32); |
| |
| static struct platform_device ohci_device = { |
| .name = "ohci-omap3", |
| .id = 0, |
| .dev = { |
| .dma_mask = &ohci_dmamask, |
| .coherent_dma_mask = 0xffffffff, |
| }, |
| .num_resources = ARRAY_SIZE(ohci_resources), |
| .resource = ohci_resources, |
| }; |
| |
| static void setup_ohci_io_mux(const enum ohci_omap3_port_mode *port_mode) |
| { |
| switch (port_mode[0]) { |
| case OMAP_OHCI_PORT_MODE_PHY_6PIN_DATSE0: |
| case OMAP_OHCI_PORT_MODE_PHY_6PIN_DPDM: |
| case OMAP_OHCI_PORT_MODE_TLL_6PIN_DATSE0: |
| case OMAP_OHCI_PORT_MODE_TLL_6PIN_DPDM: |
| omap_mux_init_signal("mm1_rxdp", |
| OMAP_PIN_INPUT_PULLDOWN); |
| omap_mux_init_signal("mm1_rxdm", |
| OMAP_PIN_INPUT_PULLDOWN); |
| /* FALLTHROUGH */ |
| case OMAP_OHCI_PORT_MODE_PHY_4PIN_DPDM: |
| case OMAP_OHCI_PORT_MODE_TLL_4PIN_DPDM: |
| omap_mux_init_signal("mm1_rxrcv", |
| OMAP_PIN_INPUT_PULLDOWN); |
| /* FALLTHROUGH */ |
| case OMAP_OHCI_PORT_MODE_PHY_3PIN_DATSE0: |
| case OMAP_OHCI_PORT_MODE_TLL_3PIN_DATSE0: |
| omap_mux_init_signal("mm1_txen_n", OMAP_PIN_OUTPUT); |
| /* FALLTHROUGH */ |
| case OMAP_OHCI_PORT_MODE_TLL_2PIN_DATSE0: |
| case OMAP_OHCI_PORT_MODE_TLL_2PIN_DPDM: |
| omap_mux_init_signal("mm1_txse0", |
| OMAP_PIN_INPUT_PULLDOWN); |
| omap_mux_init_signal("mm1_txdat", |
| OMAP_PIN_INPUT_PULLDOWN); |
| break; |
| case OMAP_OHCI_PORT_MODE_UNUSED: |
| /* FALLTHROUGH */ |
| default: |
| break; |
| } |
| switch (port_mode[1]) { |
| case OMAP_OHCI_PORT_MODE_PHY_6PIN_DATSE0: |
| case OMAP_OHCI_PORT_MODE_PHY_6PIN_DPDM: |
| case OMAP_OHCI_PORT_MODE_TLL_6PIN_DATSE0: |
| case OMAP_OHCI_PORT_MODE_TLL_6PIN_DPDM: |
| omap_mux_init_signal("mm2_rxdp", |
| OMAP_PIN_INPUT_PULLDOWN); |
| omap_mux_init_signal("mm2_rxdm", |
| OMAP_PIN_INPUT_PULLDOWN); |
| /* FALLTHROUGH */ |
| case OMAP_OHCI_PORT_MODE_PHY_4PIN_DPDM: |
| case OMAP_OHCI_PORT_MODE_TLL_4PIN_DPDM: |
| omap_mux_init_signal("mm2_rxrcv", |
| OMAP_PIN_INPUT_PULLDOWN); |
| /* FALLTHROUGH */ |
| case OMAP_OHCI_PORT_MODE_PHY_3PIN_DATSE0: |
| case OMAP_OHCI_PORT_MODE_TLL_3PIN_DATSE0: |
| omap_mux_init_signal("mm2_txen_n", OMAP_PIN_OUTPUT); |
| /* FALLTHROUGH */ |
| case OMAP_OHCI_PORT_MODE_TLL_2PIN_DATSE0: |
| case OMAP_OHCI_PORT_MODE_TLL_2PIN_DPDM: |
| omap_mux_init_signal("mm2_txse0", |
| OMAP_PIN_INPUT_PULLDOWN); |
| omap_mux_init_signal("mm2_txdat", |
| OMAP_PIN_INPUT_PULLDOWN); |
| break; |
| case OMAP_OHCI_PORT_MODE_UNUSED: |
| /* FALLTHROUGH */ |
| default: |
| break; |
| } |
| switch (port_mode[2]) { |
| case OMAP_OHCI_PORT_MODE_PHY_6PIN_DATSE0: |
| case OMAP_OHCI_PORT_MODE_PHY_6PIN_DPDM: |
| case OMAP_OHCI_PORT_MODE_TLL_6PIN_DATSE0: |
| case OMAP_OHCI_PORT_MODE_TLL_6PIN_DPDM: |
| omap_mux_init_signal("mm3_rxdp", |
| OMAP_PIN_INPUT_PULLDOWN); |
| omap_mux_init_signal("mm3_rxdm", |
| OMAP_PIN_INPUT_PULLDOWN); |
| /* FALLTHROUGH */ |
| case OMAP_OHCI_PORT_MODE_PHY_4PIN_DPDM: |
| case OMAP_OHCI_PORT_MODE_TLL_4PIN_DPDM: |
| omap_mux_init_signal("mm3_rxrcv", |
| OMAP_PIN_INPUT_PULLDOWN); |
| /* FALLTHROUGH */ |
| case OMAP_OHCI_PORT_MODE_PHY_3PIN_DATSE0: |
| case OMAP_OHCI_PORT_MODE_TLL_3PIN_DATSE0: |
| omap_mux_init_signal("mm3_txen_n", OMAP_PIN_OUTPUT); |
| /* FALLTHROUGH */ |
| case OMAP_OHCI_PORT_MODE_TLL_2PIN_DATSE0: |
| case OMAP_OHCI_PORT_MODE_TLL_2PIN_DPDM: |
| omap_mux_init_signal("mm3_txse0", |
| OMAP_PIN_INPUT_PULLDOWN); |
| omap_mux_init_signal("mm3_txdat", |
| OMAP_PIN_INPUT_PULLDOWN); |
| break; |
| case OMAP_OHCI_PORT_MODE_UNUSED: |
| /* FALLTHROUGH */ |
| default: |
| break; |
| } |
| } |
| |
| void __init usb_ohci_init(const struct ohci_hcd_omap_platform_data *pdata) |
| { |
| platform_device_add_data(&ohci_device, pdata, sizeof(*pdata)); |
| |
| /* Setup Pin IO MUX for OHCI */ |
| if (cpu_is_omap34xx()) |
| setup_ohci_io_mux(pdata->port_mode); |
| |
| if (platform_device_register(&ohci_device) < 0) { |
| pr_err("Unable to register FS-USB (OHCI) device\n"); |
| return; |
| } |
| } |
| |
| #else |
| |
| void __init usb_ohci_init(const struct ohci_hcd_omap_platform_data *pdata) |
| { |
| } |
| |
| #endif /* CONFIG_USB_OHCI_HCD */ |
