[PATCH] ARM: 2807/1: OMAP update 7a/11: Move arch-omap to plat-omap

Patch from Tony Lindgren

This patch move common OMAP code from arch-omap to plat-omap
directory.

Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

1 files changed, 0 insertions, 593 deletions

diff --git a/arch/arm/mach-omap/usb.c b/arch/arm/mach-omap/usb.c
deleted file mode 100644
index fd483ff9f8fe..000000000000
--- a/arch/arm/mach-omap/usb.c
+++ /dev/null
@@ -1,593 +0,0 @@
-/*
- * arch/arm/mach-omap/usb.c -- platform level USB initialization
- *
- * Copyright (C) 2004 Texas Instruments, Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
- */
-
-#undef	DEBUG
-
-#include <linux/config.h>
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/types.h>
-#include <linux/errno.h>
-#include <linux/init.h>
-#include <linux/device.h>
-#include <linux/usb_otg.h>
-
-#include <asm/io.h>
-#include <asm/irq.h>
-#include <asm/system.h>
-#include <asm/hardware.h>
-#include <asm/mach-types.h>
-
-#include <asm/arch/mux.h>
-#include <asm/arch/usb.h>
-#include <asm/arch/board.h>
-
-/* These routines should handle the standard chip-specific modes
- * for usb0/1/2 ports, covering basic mux and transceiver setup.
- *
- * Some board-*.c files will need to set up additional mux options,
- * like for suspend handling, vbus sensing, GPIOs, and the D+ pullup.
- */
-
-/* TESTED ON:
- *  - 1611B H2 (with usb1 mini-AB) using standard Mini-B or OTG cables
- *  - 5912 OSK OHCI (with usb0 standard-A), standard A-to-B cables
- *  - 5912 OSK UDC, with *nonstandard* A-to-A cable
- *  - 1510 Innovator UDC with bundled usb0 cable
- *  - 1510 Innovator OHCI with bundled usb1/usb2 cable
- *  - 1510 Innovator OHCI with custom usb0 cable, feeding 5V VBUS
- *  - 1710 custom development board using alternate pin group
- *  - 1710 H3 (with usb1 mini-AB) using standard Mini-B or OTG cables
- */
-
-/*-------------------------------------------------------------------------*/
-
-#ifdef	CONFIG_ARCH_OMAP_OTG
-
-static struct otg_transceiver *xceiv;
-
-/**
- * otg_get_transceiver - find the (single) OTG transceiver driver
- *
- * Returns the transceiver driver, after getting a refcount to it; or
- * null if there is no such transceiver.  The caller is responsible for
- * releasing that count.
- */
-struct otg_transceiver *otg_get_transceiver(void)
-{
-	if (xceiv)
-		get_device(xceiv->dev);
-	return xceiv;
-}
-EXPORT_SYMBOL(otg_get_transceiver);
-
-int otg_set_transceiver(struct otg_transceiver *x)
-{
-	if (xceiv && x)
-		return -EBUSY;
-	xceiv = x;
-	return 0;
-}
-EXPORT_SYMBOL(otg_set_transceiver);
-
-#endif
-
-/*-------------------------------------------------------------------------*/
-
-static u32 __init omap_usb0_init(unsigned nwires, unsigned is_device)
-{
-	u32	syscon1 = 0;
-
-	if (nwires == 0) {
-		if (!cpu_is_omap15xx()) {
-			/* pulldown D+/D- */
-			USB_TRANSCEIVER_CTRL_REG &= ~(3 << 1);
-		}
-		return 0;
-	}
-
-	if (is_device)
-		omap_cfg_reg(W4_USB_PUEN);
-
-	/* internal transceiver */
-	if (nwires == 2) {
-		// omap_cfg_reg(P9_USB_DP);
-		// omap_cfg_reg(R8_USB_DM);
-
-		if (cpu_is_omap15xx()) {
-			/* This works on 1510-Innovator */
-			return 0;
-		}
-
-		/* NOTES:
-		 *  - peripheral should configure VBUS detection!
-		 *  - only peripherals may use the internal D+/D- pulldowns
-		 *  - OTG support on this port not yet written
-		 */
-
-		USB_TRANSCEIVER_CTRL_REG &= ~(7 << 4);
-		if (!is_device)
-			USB_TRANSCEIVER_CTRL_REG |= (3 << 1);
-
-		return 3 << 16;
-	}
-
-	/* alternate pin config, external transceiver */
-	if (cpu_is_omap15xx()) {
-		printk(KERN_ERR "no usb0 alt pin config on 15xx\n");
-		return 0;
-	}
-
-	omap_cfg_reg(V6_USB0_TXD);
-	omap_cfg_reg(W9_USB0_TXEN);
-	omap_cfg_reg(W5_USB0_SE0);
-
-	/* NOTE:  SPEED and SUSP aren't configured here */
-
-	if (nwires != 3)
-		omap_cfg_reg(Y5_USB0_RCV);
-	if (nwires != 6)
-		USB_TRANSCEIVER_CTRL_REG &= ~CONF_USB2_UNI_R;
-
-	switch (nwires) {
-	case 3:
-		syscon1 = 2;
-		break;
-	case 4:
-		syscon1 = 1;
-		break;
-	case 6:
-		syscon1 = 3;
-		omap_cfg_reg(AA9_USB0_VP);
-		omap_cfg_reg(R9_USB0_VM);
-		USB_TRANSCEIVER_CTRL_REG |= CONF_USB2_UNI_R;
-		break;
-	default:
-		printk(KERN_ERR "illegal usb%d %d-wire transceiver\n",
-			0, nwires);
-	}
-	return syscon1 << 16;
-}
-
-static u32 __init omap_usb1_init(unsigned nwires)
-{
-	u32	syscon1 = 0;
-
-	if (nwires != 6 && !cpu_is_omap15xx())
-		USB_TRANSCEIVER_CTRL_REG &= ~CONF_USB1_UNI_R;
-	if (nwires == 0)
-		return 0;
-
-	/* external transceiver */
-	omap_cfg_reg(USB1_TXD);
-	omap_cfg_reg(USB1_TXEN);
-	if (cpu_is_omap15xx()) {
-		omap_cfg_reg(USB1_SEO);
-		omap_cfg_reg(USB1_SPEED);
-		// SUSP
-	} else if (cpu_is_omap1610() || cpu_is_omap5912()) {
-		omap_cfg_reg(W13_1610_USB1_SE0);
-		omap_cfg_reg(R13_1610_USB1_SPEED);
-		// SUSP
-	} else if (cpu_is_omap1710()) {
-		omap_cfg_reg(R13_1710_USB1_SE0);
-		// SUSP
-	} else {
-		pr_debug("usb unrecognized\n");
-	}
-	if (nwires != 3)
-		omap_cfg_reg(USB1_RCV);
-
-	switch (nwires) {
-	case 3:
-		syscon1 = 2;
-		break;
-	case 4:
-		syscon1 = 1;
-		break;
-	case 6:
-		syscon1 = 3;
-		omap_cfg_reg(USB1_VP);
-		omap_cfg_reg(USB1_VM);
-		if (!cpu_is_omap15xx())
-			USB_TRANSCEIVER_CTRL_REG |= CONF_USB1_UNI_R;
-		break;
-	default:
-		printk(KERN_ERR "illegal usb%d %d-wire transceiver\n",
-			1, nwires);
-	}
-	return syscon1 << 20;
-}
-
-static u32 __init omap_usb2_init(unsigned nwires, unsigned alt_pingroup)
-{
-	u32	syscon1 = 0;
-
-	/* NOTE erratum: must leave USB2_UNI_R set if usb0 in use */
-	if (alt_pingroup || nwires == 0)
-		return 0;
-	if (nwires != 6 && !cpu_is_omap15xx())
-		USB_TRANSCEIVER_CTRL_REG &= ~CONF_USB2_UNI_R;
-
-	/* external transceiver */
-	if (cpu_is_omap15xx()) {
-		omap_cfg_reg(USB2_TXD);
-		omap_cfg_reg(USB2_TXEN);
-		omap_cfg_reg(USB2_SEO);
-		if (nwires != 3)
-			omap_cfg_reg(USB2_RCV);
-		/* there is no USB2_SPEED */
-	} else if (cpu_is_omap16xx()) {
-		omap_cfg_reg(V6_USB2_TXD);
-		omap_cfg_reg(W9_USB2_TXEN);
-		omap_cfg_reg(W5_USB2_SE0);
-		if (nwires != 3)
-			omap_cfg_reg(Y5_USB2_RCV);
-		// FIXME omap_cfg_reg(USB2_SPEED);
-	} else {
-		pr_debug("usb unrecognized\n");
-	}
-	// omap_cfg_reg(USB2_SUSP);
-
-	switch (nwires) {
-	case 3:
-		syscon1 = 2;
-		break;
-	case 4:
-		syscon1 = 1;
-		break;
-	case 6:
-		syscon1 = 3;
-		if (cpu_is_omap15xx()) {
-			omap_cfg_reg(USB2_VP);
-			omap_cfg_reg(USB2_VM);
-		} else {
-			omap_cfg_reg(AA9_USB2_VP);
-			omap_cfg_reg(R9_USB2_VM);
-			USB_TRANSCEIVER_CTRL_REG |= CONF_USB2_UNI_R;
-		}
-		break;
-	default:
-		printk(KERN_ERR "illegal usb%d %d-wire transceiver\n",
-			2, nwires);
-	}
-	return syscon1 << 24;
-}
-
-/*-------------------------------------------------------------------------*/
-
-#if	defined(CONFIG_USB_GADGET_OMAP) || \
-	defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE) || \
-	(defined(CONFIG_USB_OTG) && defined(CONFIG_ARCH_OMAP_OTG))
-static void usb_release(struct device *dev)
-{
-	/* normally not freed */
-}
-#endif
-
-#ifdef	CONFIG_USB_GADGET_OMAP
-
-static struct resource udc_resources[] = {
-	/* order is significant! */
-	{		/* registers */
-		.start		= UDC_BASE,
-		.end		= UDC_BASE + 0xff,
-		.flags		= IORESOURCE_MEM,
-	}, {		/* general IRQ */
-		.start		= IH2_BASE + 20,
-		.flags		= IORESOURCE_IRQ,
-	}, {		/* PIO IRQ */
-		.start		= IH2_BASE + 30,
-		.flags		= IORESOURCE_IRQ,
-	}, {		/* SOF IRQ */
-		.start		= IH2_BASE + 29,
-		.flags		= IORESOURCE_IRQ,
-	},
-};
-
-static u64 udc_dmamask = ~(u32)0;
-
-static struct platform_device udc_device = {
-	.name		= "omap_udc",
-	.id		= -1,
-	.dev = {
-		.release		= usb_release,
-		.dma_mask		= &udc_dmamask,
-		.coherent_dma_mask	= 0xffffffff,
-	},
-	.num_resources	= ARRAY_SIZE(udc_resources),
-	.resource	= udc_resources,
-};
-
-#endif
-
-#if	defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
-
-/* The dmamask must be set for OHCI to work */
-static u64 ohci_dmamask = ~(u32)0;
-
-static struct resource ohci_resources[] = {
-	{
-		.start	= OMAP_OHCI_BASE,
-		.end	= OMAP_OHCI_BASE + 4096,
-		.flags	= IORESOURCE_MEM,
-	},
-	{
-		.start	= INT_USB_HHC_1,
-		.flags	= IORESOURCE_IRQ,
-	},
-};
-
-static struct platform_device ohci_device = {
-	.name			= "ohci",
-	.id			= -1,
-	.dev = {
-		.release		= usb_release,
-		.dma_mask		= &ohci_dmamask,
-		.coherent_dma_mask	= 0xffffffff,
-	},
-	.num_resources	= ARRAY_SIZE(ohci_resources),
-	.resource		= ohci_resources,
-};
-
-#endif
-
-#if	defined(CONFIG_USB_OTG) && defined(CONFIG_ARCH_OMAP_OTG)
-
-static struct resource otg_resources[] = {
-	/* order is significant! */
-	{
-		.start		= OTG_BASE,
-		.end		= OTG_BASE + 0xff,
-		.flags		= IORESOURCE_MEM,
-	}, {
-		.start		= IH2_BASE + 8,
-		.flags		= IORESOURCE_IRQ,
-	},
-};
-
-static struct platform_device otg_device = {
-	.name		= "omap_otg",
-	.id		= -1,
-	.dev = {
-		.release		= usb_release,
-	},
-	.num_resources	= ARRAY_SIZE(otg_resources),
-	.resource	= otg_resources,
-};
-
-#endif
-
-/*-------------------------------------------------------------------------*/
-
-#define ULPD_CLOCK_CTRL_REG	__REG16(ULPD_CLOCK_CTRL)
-#define ULPD_SOFT_REQ_REG	__REG16(ULPD_SOFT_REQ)
-
-
-// FIXME correct answer depends on hmc_mode,
-// as does any nonzero value for config->otg port number
-#ifdef	CONFIG_USB_GADGET_OMAP
-#define	is_usb0_device(config)	1
-#else
-#define	is_usb0_device(config)	0
-#endif
-
-/*-------------------------------------------------------------------------*/
-
-#ifdef	CONFIG_ARCH_OMAP_OTG
-
-void __init
-omap_otg_init(struct omap_usb_config *config)
-{
-	u32		syscon = OTG_SYSCON_1_REG & 0xffff;
-	int		status;
-	int		alt_pingroup = 0;
-
-	/* NOTE:  no bus or clock setup (yet?) */
-
-	syscon = OTG_SYSCON_1_REG & 0xffff;
-	if (!(syscon & OTG_RESET_DONE))
-		pr_debug("USB resets not complete?\n");
-
-	// OTG_IRQ_EN_REG = 0;
-
-	/* pin muxing and transceiver pinouts */
-	if (config->pins[0] > 2)	/* alt pingroup 2 */
-		alt_pingroup = 1;
-	syscon |= omap_usb0_init(config->pins[0], is_usb0_device(config));
-	syscon |= omap_usb1_init(config->pins[1]);
-	syscon |= omap_usb2_init(config->pins[2], alt_pingroup);
-	pr_debug("OTG_SYSCON_1_REG = %08x\n", syscon);
-	OTG_SYSCON_1_REG = syscon;
-
-	syscon = config->hmc_mode;
-	syscon |= USBX_SYNCHRO | (4 << 16) /* B_ASE0_BRST */;
-#ifdef	CONFIG_USB_OTG
-	if (config->otg)
-		syscon |= OTG_EN;
-#endif
-	pr_debug("USB_TRANSCEIVER_CTRL_REG = %03x\n", USB_TRANSCEIVER_CTRL_REG);
-	pr_debug("OTG_SYSCON_2_REG = %08x\n", syscon);
-	OTG_SYSCON_2_REG = syscon;
-
-	printk("USB: hmc %d", config->hmc_mode);
-	if (alt_pingroup)
-		printk(", usb2 alt %d wires", config->pins[2]);
-	else if (config->pins[0])
-		printk(", usb0 %d wires%s", config->pins[0],
-			is_usb0_device(config) ? " (dev)" : "");
-	if (config->pins[1])
-		printk(", usb1 %d wires", config->pins[1]);
-	if (!alt_pingroup && config->pins[2])
-		printk(", usb2 %d wires", config->pins[2]);
-	if (config->otg)
-		printk(", Mini-AB on usb%d", config->otg - 1);
-	printk("\n");
-
-	/* leave USB clocks/controllers off until needed */
-	ULPD_SOFT_REQ_REG &= ~SOFT_USB_CLK_REQ;
-	ULPD_CLOCK_CTRL_REG &= ~USB_MCLK_EN;
-	ULPD_CLOCK_CTRL_REG |= DIS_USB_PVCI_CLK;
-	syscon = OTG_SYSCON_1_REG;
-	syscon |= HST_IDLE_EN|DEV_IDLE_EN|OTG_IDLE_EN;
-
-#ifdef	CONFIG_USB_GADGET_OMAP
-	if (config->otg || config->register_dev) {
-		syscon &= ~DEV_IDLE_EN;
-		udc_device.dev.platform_data = config;
-		/* FIXME patch IRQ numbers for omap730 */
-		status = platform_device_register(&udc_device);
-		if (status)
-			pr_debug("can't register UDC device, %d\n", status);
-	}
-#endif
-
-#if	defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
-	if (config->otg || config->register_host) {
-		syscon &= ~HST_IDLE_EN;
-		ohci_device.dev.platform_data = config;
-		if (cpu_is_omap730())
-			ohci_resources[1].start = INT_730_USB_HHC_1;
-		status = platform_device_register(&ohci_device);
-		if (status)
-			pr_debug("can't register OHCI device, %d\n", status);
-	}
-#endif
-
-#ifdef	CONFIG_USB_OTG
-	if (config->otg) {
-		syscon &= ~OTG_IDLE_EN;
-		otg_device.dev.platform_data = config;
-		if (cpu_is_omap730())
-			otg_resources[1].start = INT_730_USB_OTG;
-		status = platform_device_register(&otg_device);
-		if (status)
-			pr_debug("can't register OTG device, %d\n", status);
-	}
-#endif
-	pr_debug("OTG_SYSCON_1_REG = %08x\n", syscon);
-	OTG_SYSCON_1_REG = syscon;
-
-	status = 0;
-}
-
-#else
-static inline void omap_otg_init(struct omap_usb_config *config) {}
-#endif
-
-/*-------------------------------------------------------------------------*/
-
-#ifdef	CONFIG_ARCH_OMAP1510
-
-#define ULPD_DPLL_CTRL_REG	__REG16(ULPD_DPLL_CTRL)
-#define DPLL_IOB		(1 << 13)
-#define DPLL_PLL_ENABLE		(1 << 4)
-#define DPLL_LOCK		(1 << 0)
-
-#define ULPD_APLL_CTRL_REG	__REG16(ULPD_APLL_CTRL)
-#define APLL_NDPLL_SWITCH	(1 << 0)
-
-
-static void __init omap_1510_usb_init(struct omap_usb_config *config)
-{
-	int status;
-	unsigned int val;
-
-	omap_usb0_init(config->pins[0], is_usb0_device(config));
-	omap_usb1_init(config->pins[1]);
-	omap_usb2_init(config->pins[2], 0);
-
-	val = omap_readl(MOD_CONF_CTRL_0) & ~(0x3f << 1);
-	val |= (config->hmc_mode << 1);
-	omap_writel(val, MOD_CONF_CTRL_0);
-
-	printk("USB: hmc %d", config->hmc_mode);
-	if (config->pins[0])
-		printk(", usb0 %d wires%s", config->pins[0],
-			is_usb0_device(config) ? " (dev)" : "");
-	if (config->pins[1])
-		printk(", usb1 %d wires", config->pins[1]);
-	if (config->pins[2])
-		printk(", usb2 %d wires", config->pins[2]);
-	printk("\n");
-
-	/* use DPLL for 48 MHz function clock */
-	pr_debug("APLL %04x DPLL %04x REQ %04x\n", ULPD_APLL_CTRL_REG,
-			ULPD_DPLL_CTRL_REG, ULPD_SOFT_REQ_REG);
-	ULPD_APLL_CTRL_REG &= ~APLL_NDPLL_SWITCH;
-	ULPD_DPLL_CTRL_REG |= DPLL_IOB | DPLL_PLL_ENABLE;
-	ULPD_SOFT_REQ_REG |= SOFT_UDC_REQ | SOFT_DPLL_REQ;
-	while (!(ULPD_DPLL_CTRL_REG & DPLL_LOCK))
-		cpu_relax();
-
-#ifdef	CONFIG_USB_GADGET_OMAP
-	if (config->register_dev) {
-		udc_device.dev.platform_data = config;
-		status = platform_device_register(&udc_device);
-		if (status)
-			pr_debug("can't register UDC device, %d\n", status);
-		/* udc driver gates 48MHz by D+ pullup */
-	}
-#endif
-
-#if	defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
-	if (config->register_host) {
-		ohci_device.dev.platform_data = config;
-		status = platform_device_register(&ohci_device);
-		if (status)
-			pr_debug("can't register OHCI device, %d\n", status);
-		/* hcd explicitly gates 48MHz */
-	}
-#endif
-}
-
-#else
-static inline void omap_1510_usb_init(struct omap_usb_config *config) {}
-#endif
-
-/*-------------------------------------------------------------------------*/
-
-static struct omap_usb_config platform_data;
-
-static int __init
-omap_usb_init(void)
-{
-	const struct omap_usb_config *config;
-
-	config = omap_get_config(OMAP_TAG_USB, struct omap_usb_config);
-	if (config == NULL) {
-		printk(KERN_ERR "USB: No board-specific "
-				"platform config found\n");
-		return -ENODEV;
-	}
-	platform_data = *config;
-
-	if (cpu_is_omap730() || cpu_is_omap16xx())
-		omap_otg_init(&platform_data);
-	else if (cpu_is_omap15xx())
-		omap_1510_usb_init(&platform_data);
-	else {
-		printk(KERN_ERR "USB: No init for your chip yet\n");
-		return -ENODEV;
-	}
-	return 0;
-}
-
-subsys_initcall(omap_usb_init);