aboutsummaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-omap2/usb-host.c
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--arch/arm/mach-omap2/usb-host.c (renamed from arch/arm/mach-omap2/usb-ehci.c)306
1 files changed, 179 insertions, 127 deletions
diff --git a/arch/arm/mach-omap2/usb-ehci.c b/arch/arm/mach-omap2/usb-host.c
index 25eeadabc39b..89ae29847c59 100644
--- a/arch/arm/mach-omap2/usb-ehci.c
+++ b/arch/arm/mach-omap2/usb-host.c
@@ -1,14 +1,15 @@
/*
- * linux/arch/arm/mach-omap2/usb-ehci.c
+ * usb-host.c - OMAP USB Host
*
* This file will contain the board specific details for the
- * Synopsys EHCI host controller on OMAP3430
+ * Synopsys EHCI/OHCI host controller on OMAP3430 and onwards
*
- * Copyright (C) 2007 Texas Instruments
+ * Copyright (C) 2007-2011 Texas Instruments
* Author: Vikram Pandita <vikram.pandita@ti.com>
+ * Author: Keshava Munegowda <keshava_mgowda@ti.com>
*
* Generalization by:
- * Felipe Balbi <felipe.balbi@nokia.com>
+ * Felipe Balbi <balbi@ti.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
@@ -19,7 +20,7 @@
#include <linux/errno.h>
#include <linux/delay.h>
#include <linux/platform_device.h>
-#include <linux/clk.h>
+#include <linux/slab.h>
#include <linux/dma-mapping.h>
#include <asm/io.h>
@@ -30,44 +31,56 @@
#include "mux.h"
-#if defined(CONFIG_USB_EHCI_HCD) || defined(CONFIG_USB_EHCI_HCD_MODULE)
+#ifdef CONFIG_MFD_OMAP_USB_HOST
-static struct resource ehci_resources[] = {
+#define OMAP_USBHS_DEVICE "usbhs-omap"
+
+static struct resource usbhs_resources[] = {
+ {
+ .name = "uhh",
+ .flags = IORESOURCE_MEM,
+ },
{
+ .name = "tll",
.flags = IORESOURCE_MEM,
},
{
+ .name = "ehci",
.flags = IORESOURCE_MEM,
},
{
+ .name = "ehci-irq",
+ .flags = IORESOURCE_IRQ,
+ },
+ {
+ .name = "ohci",
.flags = IORESOURCE_MEM,
},
- { /* general IRQ */
- .flags = IORESOURCE_IRQ,
+ {
+ .name = "ohci-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,
+static struct platform_device usbhs_device = {
+ .name = OMAP_USBHS_DEVICE,
+ .id = 0,
+ .num_resources = ARRAY_SIZE(usbhs_resources),
+ .resource = usbhs_resources,
};
+static struct usbhs_omap_platform_data usbhs_data;
+static struct ehci_hcd_omap_platform_data ehci_data;
+static struct ohci_hcd_omap_platform_data ohci_data;
+
/* 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)
+static void setup_ehci_io_mux(const enum usbhs_omap_port_mode *port_mode)
{
switch (port_mode[0]) {
- case EHCI_HCD_OMAP_MODE_PHY:
+ case OMAP_EHCI_PORT_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);
@@ -81,7 +94,7 @@ static void setup_ehci_io_mux(const enum ehci_hcd_omap_mode *port_mode)
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:
+ case OMAP_EHCI_PORT_MODE_TLL:
omap_mux_init_signal("hsusb1_tll_stp",
OMAP_PIN_INPUT_PULLUP);
omap_mux_init_signal("hsusb1_tll_clk",
@@ -107,14 +120,14 @@ static void setup_ehci_io_mux(const enum ehci_hcd_omap_mode *port_mode)
omap_mux_init_signal("hsusb1_tll_data7",
OMAP_PIN_INPUT_PULLDOWN);
break;
- case EHCI_HCD_OMAP_MODE_UNKNOWN:
+ case OMAP_USBHS_PORT_MODE_UNUSED:
/* FALLTHROUGH */
default:
break;
}
switch (port_mode[1]) {
- case EHCI_HCD_OMAP_MODE_PHY:
+ case OMAP_EHCI_PORT_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);
@@ -136,7 +149,7 @@ static void setup_ehci_io_mux(const enum ehci_hcd_omap_mode *port_mode)
omap_mux_init_signal("hsusb2_data7",
OMAP_PIN_INPUT_PULLDOWN);
break;
- case EHCI_HCD_OMAP_MODE_TLL:
+ case OMAP_EHCI_PORT_MODE_TLL:
omap_mux_init_signal("hsusb2_tll_stp",
OMAP_PIN_INPUT_PULLUP);
omap_mux_init_signal("hsusb2_tll_clk",
@@ -162,17 +175,17 @@ static void setup_ehci_io_mux(const enum ehci_hcd_omap_mode *port_mode)
omap_mux_init_signal("hsusb2_tll_data7",
OMAP_PIN_INPUT_PULLDOWN);
break;
- case EHCI_HCD_OMAP_MODE_UNKNOWN:
+ case OMAP_USBHS_PORT_MODE_UNUSED:
/* FALLTHROUGH */
default:
break;
}
switch (port_mode[2]) {
- case EHCI_HCD_OMAP_MODE_PHY:
+ case OMAP_EHCI_PORT_MODE_PHY:
printk(KERN_WARNING "Port3 can't be used in PHY mode\n");
break;
- case EHCI_HCD_OMAP_MODE_TLL:
+ case OMAP_EHCI_PORT_MODE_TLL:
omap_mux_init_signal("hsusb3_tll_stp",
OMAP_PIN_INPUT_PULLUP);
omap_mux_init_signal("hsusb3_tll_clk",
@@ -198,7 +211,7 @@ static void setup_ehci_io_mux(const enum ehci_hcd_omap_mode *port_mode)
omap_mux_init_signal("hsusb3_tll_data7",
OMAP_PIN_INPUT_PULLDOWN);
break;
- case EHCI_HCD_OMAP_MODE_UNKNOWN:
+ case OMAP_USBHS_PORT_MODE_UNUSED:
/* FALLTHROUGH */
default:
break;
@@ -207,10 +220,10 @@ static void setup_ehci_io_mux(const enum ehci_hcd_omap_mode *port_mode)
return;
}
-static void setup_4430ehci_io_mux(const enum ehci_hcd_omap_mode *port_mode)
+static void setup_4430ehci_io_mux(const enum usbhs_omap_port_mode *port_mode)
{
switch (port_mode[0]) {
- case EHCI_HCD_OMAP_MODE_PHY:
+ case OMAP_EHCI_PORT_MODE_PHY:
omap_mux_init_signal("usbb1_ulpiphy_stp",
OMAP_PIN_OUTPUT);
omap_mux_init_signal("usbb1_ulpiphy_clk",
@@ -236,7 +249,7 @@ static void setup_4430ehci_io_mux(const enum ehci_hcd_omap_mode *port_mode)
omap_mux_init_signal("usbb1_ulpiphy_dat7",
OMAP_PIN_INPUT_PULLDOWN);
break;
- case EHCI_HCD_OMAP_MODE_TLL:
+ case OMAP_EHCI_PORT_MODE_TLL:
omap_mux_init_signal("usbb1_ulpitll_stp",
OMAP_PIN_INPUT_PULLUP);
omap_mux_init_signal("usbb1_ulpitll_clk",
@@ -262,12 +275,12 @@ static void setup_4430ehci_io_mux(const enum ehci_hcd_omap_mode *port_mode)
omap_mux_init_signal("usbb1_ulpitll_dat7",
OMAP_PIN_INPUT_PULLDOWN);
break;
- case EHCI_HCD_OMAP_MODE_UNKNOWN:
+ case OMAP_USBHS_PORT_MODE_UNUSED:
default:
break;
}
switch (port_mode[1]) {
- case EHCI_HCD_OMAP_MODE_PHY:
+ case OMAP_EHCI_PORT_MODE_PHY:
omap_mux_init_signal("usbb2_ulpiphy_stp",
OMAP_PIN_OUTPUT);
omap_mux_init_signal("usbb2_ulpiphy_clk",
@@ -293,7 +306,7 @@ static void setup_4430ehci_io_mux(const enum ehci_hcd_omap_mode *port_mode)
omap_mux_init_signal("usbb2_ulpiphy_dat7",
OMAP_PIN_INPUT_PULLDOWN);
break;
- case EHCI_HCD_OMAP_MODE_TLL:
+ case OMAP_EHCI_PORT_MODE_TLL:
omap_mux_init_signal("usbb2_ulpitll_stp",
OMAP_PIN_INPUT_PULLUP);
omap_mux_init_signal("usbb2_ulpitll_clk",
@@ -319,90 +332,13 @@ static void setup_4430ehci_io_mux(const enum ehci_hcd_omap_mode *port_mode)
omap_mux_init_signal("usbb2_ulpitll_dat7",
OMAP_PIN_INPUT_PULLDOWN);
break;
- case EHCI_HCD_OMAP_MODE_UNKNOWN:
+ case OMAP_USBHS_PORT_MODE_UNUSED:
default:
break;
}
}
-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()) {
- ehci_resources[0].start = OMAP34XX_EHCI_BASE;
- ehci_resources[0].end = OMAP34XX_EHCI_BASE + SZ_1K - 1;
- ehci_resources[1].start = OMAP34XX_UHH_CONFIG_BASE;
- ehci_resources[1].end = OMAP34XX_UHH_CONFIG_BASE + SZ_1K - 1;
- ehci_resources[2].start = OMAP34XX_USBTLL_BASE;
- ehci_resources[2].end = OMAP34XX_USBTLL_BASE + SZ_4K - 1;
- ehci_resources[3].start = INT_34XX_EHCI_IRQ;
- setup_ehci_io_mux(pdata->port_mode);
- } else if (cpu_is_omap44xx()) {
- ehci_resources[0].start = OMAP44XX_HSUSB_EHCI_BASE;
- ehci_resources[0].end = OMAP44XX_HSUSB_EHCI_BASE + SZ_1K - 1;
- ehci_resources[1].start = OMAP44XX_UHH_CONFIG_BASE;
- ehci_resources[1].end = OMAP44XX_UHH_CONFIG_BASE + SZ_2K - 1;
- ehci_resources[2].start = OMAP44XX_USBTLL_BASE;
- ehci_resources[2].end = OMAP44XX_USBTLL_BASE + SZ_4K - 1;
- ehci_resources[3].start = OMAP44XX_IRQ_EHCI;
- setup_4430ehci_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)
+static void setup_ohci_io_mux(const enum usbhs_omap_port_mode *port_mode)
{
switch (port_mode[0]) {
case OMAP_OHCI_PORT_MODE_PHY_6PIN_DATSE0:
@@ -430,7 +366,7 @@ static void setup_ohci_io_mux(const enum ohci_omap3_port_mode *port_mode)
omap_mux_init_signal("mm1_txdat",
OMAP_PIN_INPUT_PULLDOWN);
break;
- case OMAP_OHCI_PORT_MODE_UNUSED:
+ case OMAP_USBHS_PORT_MODE_UNUSED:
/* FALLTHROUGH */
default:
break;
@@ -461,7 +397,7 @@ static void setup_ohci_io_mux(const enum ohci_omap3_port_mode *port_mode)
omap_mux_init_signal("mm2_txdat",
OMAP_PIN_INPUT_PULLDOWN);
break;
- case OMAP_OHCI_PORT_MODE_UNUSED:
+ case OMAP_USBHS_PORT_MODE_UNUSED:
/* FALLTHROUGH */
default:
break;
@@ -492,31 +428,147 @@ static void setup_ohci_io_mux(const enum ohci_omap3_port_mode *port_mode)
omap_mux_init_signal("mm3_txdat",
OMAP_PIN_INPUT_PULLDOWN);
break;
- case OMAP_OHCI_PORT_MODE_UNUSED:
+ case OMAP_USBHS_PORT_MODE_UNUSED:
/* FALLTHROUGH */
default:
break;
}
}
-void __init usb_ohci_init(const struct ohci_hcd_omap_platform_data *pdata)
+static void setup_4430ohci_io_mux(const enum usbhs_omap_port_mode *port_mode)
{
- platform_device_add_data(&ohci_device, pdata, sizeof(*pdata));
+ 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("usbb1_mm_rxdp",
+ OMAP_PIN_INPUT_PULLDOWN);
+ omap_mux_init_signal("usbb1_mm_rxdm",
+ OMAP_PIN_INPUT_PULLDOWN);
- /* Setup Pin IO MUX for OHCI */
- if (cpu_is_omap34xx())
+ case OMAP_OHCI_PORT_MODE_PHY_4PIN_DPDM:
+ case OMAP_OHCI_PORT_MODE_TLL_4PIN_DPDM:
+ omap_mux_init_signal("usbb1_mm_rxrcv",
+ OMAP_PIN_INPUT_PULLDOWN);
+
+ case OMAP_OHCI_PORT_MODE_PHY_3PIN_DATSE0:
+ case OMAP_OHCI_PORT_MODE_TLL_3PIN_DATSE0:
+ omap_mux_init_signal("usbb1_mm_txen",
+ OMAP_PIN_INPUT_PULLDOWN);
+
+
+ case OMAP_OHCI_PORT_MODE_TLL_2PIN_DATSE0:
+ case OMAP_OHCI_PORT_MODE_TLL_2PIN_DPDM:
+ omap_mux_init_signal("usbb1_mm_txdat",
+ OMAP_PIN_INPUT_PULLDOWN);
+ omap_mux_init_signal("usbb1_mm_txse0",
+ OMAP_PIN_INPUT_PULLDOWN);
+ break;
+
+ case OMAP_USBHS_PORT_MODE_UNUSED:
+ 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("usbb2_mm_rxdp",
+ OMAP_PIN_INPUT_PULLDOWN);
+ omap_mux_init_signal("usbb2_mm_rxdm",
+ OMAP_PIN_INPUT_PULLDOWN);
+
+ case OMAP_OHCI_PORT_MODE_PHY_4PIN_DPDM:
+ case OMAP_OHCI_PORT_MODE_TLL_4PIN_DPDM:
+ omap_mux_init_signal("usbb2_mm_rxrcv",
+ OMAP_PIN_INPUT_PULLDOWN);
+
+ case OMAP_OHCI_PORT_MODE_PHY_3PIN_DATSE0:
+ case OMAP_OHCI_PORT_MODE_TLL_3PIN_DATSE0:
+ omap_mux_init_signal("usbb2_mm_txen",
+ OMAP_PIN_INPUT_PULLDOWN);
+
+
+ case OMAP_OHCI_PORT_MODE_TLL_2PIN_DATSE0:
+ case OMAP_OHCI_PORT_MODE_TLL_2PIN_DPDM:
+ omap_mux_init_signal("usbb2_mm_txdat",
+ OMAP_PIN_INPUT_PULLDOWN);
+ omap_mux_init_signal("usbb2_mm_txse0",
+ OMAP_PIN_INPUT_PULLDOWN);
+ break;
+
+ case OMAP_USBHS_PORT_MODE_UNUSED:
+ default:
+ break;
+ }
+}
+
+void __init usbhs_init(const struct usbhs_omap_board_data *pdata)
+{
+ int i;
+
+ for (i = 0; i < OMAP3_HS_USB_PORTS; i++) {
+ usbhs_data.port_mode[i] = pdata->port_mode[i];
+ ohci_data.port_mode[i] = pdata->port_mode[i];
+ ehci_data.port_mode[i] = pdata->port_mode[i];
+ ehci_data.reset_gpio_port[i] = pdata->reset_gpio_port[i];
+ ehci_data.regulator[i] = pdata->regulator[i];
+ }
+ ehci_data.phy_reset = pdata->phy_reset;
+ ohci_data.es2_compatibility = pdata->es2_compatibility;
+ usbhs_data.ehci_data = &ehci_data;
+ usbhs_data.ohci_data = &ohci_data;
+
+ if (cpu_is_omap34xx()) {
+ usbhs_resources[0].start = OMAP34XX_UHH_CONFIG_BASE;
+ usbhs_resources[0].end = OMAP34XX_UHH_CONFIG_BASE + SZ_1K - 1;
+ usbhs_resources[1].start = OMAP34XX_USBTLL_BASE;
+ usbhs_resources[1].end = OMAP34XX_USBTLL_BASE + SZ_4K - 1;
+ usbhs_resources[2].start = OMAP34XX_EHCI_BASE;
+ usbhs_resources[2].end = OMAP34XX_EHCI_BASE + SZ_1K - 1;
+ usbhs_resources[3].start = INT_34XX_EHCI_IRQ;
+ usbhs_resources[4].start = OMAP34XX_OHCI_BASE;
+ usbhs_resources[4].end = OMAP34XX_OHCI_BASE + SZ_1K - 1;
+ usbhs_resources[5].start = INT_34XX_OHCI_IRQ;
+ setup_ehci_io_mux(pdata->port_mode);
setup_ohci_io_mux(pdata->port_mode);
+ } else if (cpu_is_omap44xx()) {
+ usbhs_resources[0].start = OMAP44XX_UHH_CONFIG_BASE;
+ usbhs_resources[0].end = OMAP44XX_UHH_CONFIG_BASE + SZ_1K - 1;
+ usbhs_resources[1].start = OMAP44XX_USBTLL_BASE;
+ usbhs_resources[1].end = OMAP44XX_USBTLL_BASE + SZ_4K - 1;
+ usbhs_resources[2].start = OMAP44XX_HSUSB_EHCI_BASE;
+ usbhs_resources[2].end = OMAP44XX_HSUSB_EHCI_BASE + SZ_1K - 1;
+ usbhs_resources[3].start = OMAP44XX_IRQ_EHCI;
+ usbhs_resources[4].start = OMAP44XX_HSUSB_OHCI_BASE;
+ usbhs_resources[4].end = OMAP44XX_HSUSB_OHCI_BASE + SZ_1K - 1;
+ usbhs_resources[5].start = OMAP44XX_IRQ_OHCI;
+ setup_4430ehci_io_mux(pdata->port_mode);
+ setup_4430ohci_io_mux(pdata->port_mode);
+ }
- if (platform_device_register(&ohci_device) < 0) {
- pr_err("Unable to register FS-USB (OHCI) device\n");
- return;
+ if (platform_device_add_data(&usbhs_device,
+ &usbhs_data, sizeof(usbhs_data)) < 0) {
+ printk(KERN_ERR "USBHS platform_device_add_data failed\n");
+ goto init_end;
}
+
+ if (platform_device_register(&usbhs_device) < 0)
+ printk(KERN_ERR "USBHS platform_device_register failed\n");
+
+init_end:
+ return;
}
#else
-void __init usb_ohci_init(const struct ohci_hcd_omap_platform_data *pdata)
+void __init usbhs_init(const struct usbhs_omap_board_data *pdata)
{
}
-#endif /* CONFIG_USB_OHCI_HCD */
+#endif
+
+
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.