-
Notifications
You must be signed in to change notification settings - Fork 0
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
omap: Add platform init code for EHCI driver
Add platform init code for EHCI driver. Various fixes to the original patch by Ajay Kumar Gupta <ajay.gupta@ti.com> and Anand Gadiyar <gadiyar@ti.com>. Overo support added by Olof Johansson <olof@lixom.net> Beagle support added by Koen Kooi <koen@beagleboard.org> CM-T32 support added by Mike Rapoport <mike@compulab.co.il> Signed-off-by: Signed-off-by: Olof Johansson <olof@lixom.net> Acked-by: Steve Sakoman <steve@sakoman.com> Signed-off-by: Koen Kooi <koen@beagleboard.org> Signed-off-by: Mike Rapoport <mike@compulab.co.il> Signed-off-by: Ajay Kumar Gupta <ajay.gupta@ti.com> Signed-off-by: Anand Gadiyar <gadiyar@ti.com> Signed-off-by: Felipe Balbi <felipe.balbi@nokia.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
- Loading branch information
Felipe Balbi
authored and
Tony Lindgren
committed
Nov 22, 2009
1 parent
83720a8
commit 58a5491
Showing
8 changed files
with
265 additions
and
9 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,192 @@ | ||
| /* | ||
| * 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 <asm/io.h> | ||
| #include <plat/mux.h> | ||
|
|
||
| #include <mach/hardware.h> | ||
| #include <mach/irqs.h> | ||
| #include <plat/usb.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(enum ehci_hcd_omap_mode *port_mode) | ||
| { | ||
| switch (port_mode[0]) { | ||
| case EHCI_HCD_OMAP_MODE_PHY: | ||
| omap_cfg_reg(Y9_3430_USB1HS_PHY_STP); | ||
| omap_cfg_reg(Y8_3430_USB1HS_PHY_CLK); | ||
| omap_cfg_reg(AA14_3430_USB1HS_PHY_DIR); | ||
| omap_cfg_reg(AA11_3430_USB1HS_PHY_NXT); | ||
| omap_cfg_reg(W13_3430_USB1HS_PHY_DATA0); | ||
| omap_cfg_reg(W12_3430_USB1HS_PHY_DATA1); | ||
| omap_cfg_reg(W11_3430_USB1HS_PHY_DATA2); | ||
| omap_cfg_reg(Y11_3430_USB1HS_PHY_DATA3); | ||
| omap_cfg_reg(W9_3430_USB1HS_PHY_DATA4); | ||
| omap_cfg_reg(Y12_3430_USB1HS_PHY_DATA5); | ||
| omap_cfg_reg(W8_3430_USB1HS_PHY_DATA6); | ||
| omap_cfg_reg(Y13_3430_USB1HS_PHY_DATA7); | ||
| break; | ||
| case EHCI_HCD_OMAP_MODE_TLL: | ||
| omap_cfg_reg(Y9_3430_USB1HS_TLL_STP); | ||
| omap_cfg_reg(Y8_3430_USB1HS_TLL_CLK); | ||
| omap_cfg_reg(AA14_3430_USB1HS_TLL_DIR); | ||
| omap_cfg_reg(AA11_3430_USB1HS_TLL_NXT); | ||
| omap_cfg_reg(W13_3430_USB1HS_TLL_DATA0); | ||
| omap_cfg_reg(W12_3430_USB1HS_TLL_DATA1); | ||
| omap_cfg_reg(W11_3430_USB1HS_TLL_DATA2); | ||
| omap_cfg_reg(Y11_3430_USB1HS_TLL_DATA3); | ||
| omap_cfg_reg(W9_3430_USB1HS_TLL_DATA4); | ||
| omap_cfg_reg(Y12_3430_USB1HS_TLL_DATA5); | ||
| omap_cfg_reg(W8_3430_USB1HS_TLL_DATA6); | ||
| omap_cfg_reg(Y13_3430_USB1HS_TLL_DATA7); | ||
| break; | ||
| case EHCI_HCD_OMAP_MODE_UNKNOWN: | ||
| /* FALLTHROUGH */ | ||
| default: | ||
| break; | ||
| } | ||
|
|
||
| switch (port_mode[1]) { | ||
| case EHCI_HCD_OMAP_MODE_PHY: | ||
| omap_cfg_reg(AA10_3430_USB2HS_PHY_STP); | ||
| omap_cfg_reg(AA8_3430_USB2HS_PHY_CLK); | ||
| omap_cfg_reg(AA9_3430_USB2HS_PHY_DIR); | ||
| omap_cfg_reg(AB11_3430_USB2HS_PHY_NXT); | ||
| omap_cfg_reg(AB10_3430_USB2HS_PHY_DATA0); | ||
| omap_cfg_reg(AB9_3430_USB2HS_PHY_DATA1); | ||
| omap_cfg_reg(W3_3430_USB2HS_PHY_DATA2); | ||
| omap_cfg_reg(T4_3430_USB2HS_PHY_DATA3); | ||
| omap_cfg_reg(T3_3430_USB2HS_PHY_DATA4); | ||
| omap_cfg_reg(R3_3430_USB2HS_PHY_DATA5); | ||
| omap_cfg_reg(R4_3430_USB2HS_PHY_DATA6); | ||
| omap_cfg_reg(T2_3430_USB2HS_PHY_DATA7); | ||
| break; | ||
| case EHCI_HCD_OMAP_MODE_TLL: | ||
| omap_cfg_reg(AA10_3430_USB2HS_TLL_STP); | ||
| omap_cfg_reg(AA8_3430_USB2HS_TLL_CLK); | ||
| omap_cfg_reg(AA9_3430_USB2HS_TLL_DIR); | ||
| omap_cfg_reg(AB11_3430_USB2HS_TLL_NXT); | ||
| omap_cfg_reg(AB10_3430_USB2HS_TLL_DATA0); | ||
| omap_cfg_reg(AB9_3430_USB2HS_TLL_DATA1); | ||
| omap_cfg_reg(W3_3430_USB2HS_TLL_DATA2); | ||
| omap_cfg_reg(T4_3430_USB2HS_TLL_DATA3); | ||
| omap_cfg_reg(T3_3430_USB2HS_TLL_DATA4); | ||
| omap_cfg_reg(R3_3430_USB2HS_TLL_DATA5); | ||
| omap_cfg_reg(R4_3430_USB2HS_TLL_DATA6); | ||
| omap_cfg_reg(T2_3430_USB2HS_TLL_DATA7); | ||
| 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_cfg_reg(AB3_3430_USB3HS_TLL_STP); | ||
| omap_cfg_reg(AA6_3430_USB3HS_TLL_CLK); | ||
| omap_cfg_reg(AA3_3430_USB3HS_TLL_DIR); | ||
| omap_cfg_reg(Y3_3430_USB3HS_TLL_NXT); | ||
| omap_cfg_reg(AA5_3430_USB3HS_TLL_DATA0); | ||
| omap_cfg_reg(Y4_3430_USB3HS_TLL_DATA1); | ||
| omap_cfg_reg(Y5_3430_USB3HS_TLL_DATA2); | ||
| omap_cfg_reg(W5_3430_USB3HS_TLL_DATA3); | ||
| omap_cfg_reg(AB12_3430_USB3HS_TLL_DATA4); | ||
| omap_cfg_reg(AB13_3430_USB3HS_TLL_DATA5); | ||
| omap_cfg_reg(AA13_3430_USB3HS_TLL_DATA6); | ||
| omap_cfg_reg(AA12_3430_USB3HS_TLL_DATA7); | ||
| break; | ||
| case EHCI_HCD_OMAP_MODE_UNKNOWN: | ||
| /* FALLTHROUGH */ | ||
| default: | ||
| break; | ||
| } | ||
|
|
||
| return; | ||
| } | ||
|
|
||
| void __init usb_ehci_init(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(struct ehci_hcd_omap_platform_data *pdata) | ||
|
|
||
| { | ||
| } | ||
|
|
||
| #endif /* CONFIG_USB_EHCI_HCD */ | ||
|
|
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters