ar71xx: move arch specific files to files-2.6.39

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@29867 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 0 insertions, 389 deletions

diff --git a/target/linux/ar71xx/files/arch/mips/pci/pci-ar724x.c b/target/linux/ar71xx/files/arch/mips/pci/pci-ar724x.c
deleted file mode 100644
index 57daa0614..000000000
--- a/target/linux/ar71xx/files/arch/mips/pci/pci-ar724x.c
+++ /dev/null
@@ -1,389 +0,0 @@
-/*
- *  Atheros AR724x PCI host controller driver
- *
- *  Copyright (C) 2009-2010 Gabor Juhos <juhosg@openwrt.org>
- *
- *  Parts of this file are based on Atheros' 2.6.15 BSP
- *
- *  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/resource.h>
-#include <linux/types.h>
-#include <linux/delay.h>
-#include <linux/bitops.h>
-#include <linux/pci.h>
-#include <linux/pci_regs.h>
-#include <linux/interrupt.h>
-
-#include <asm/mach-ar71xx/ar71xx.h>
-#include <asm/mach-ar71xx/pci.h>
-
-#undef DEBUG
-#ifdef DEBUG
-#define DBG(fmt, args...)	printk(KERN_INFO fmt, ## args)
-#else
-#define DBG(fmt, args...)
-#endif
-
-static void __iomem *ar724x_pci_localcfg_base;
-static void __iomem *ar724x_pci_devcfg_base;
-static void __iomem *ar724x_pci_ctrl_base;
-static int ar724x_pci_fixup_enable;
-
-static DEFINE_SPINLOCK(ar724x_pci_lock);
-
-static void ar724x_pci_read(void __iomem *base, int where, int size, u32 *value)
-{
-	unsigned long flags;
-	u32 data;
-
-	spin_lock_irqsave(&ar724x_pci_lock, flags);
-	data = __raw_readl(base + (where & ~3));
-
-	switch (size) {
-	case 1:
-		if (where & 1)
-			data >>= 8;
-		if (where & 2)
-			data >>= 16;
-		data &= 0xFF;
-		break;
-	case 2:
-		if (where & 2)
-			data >>= 16;
-		data &= 0xFFFF;
-		break;
-	}
-
-	*value = data;
-	spin_unlock_irqrestore(&ar724x_pci_lock, flags);
-}
-
-static void ar724x_pci_write(void __iomem *base, int where, int size, u32 value)
-{
-	unsigned long flags;
-	u32 data;
-	int s;
-
-	spin_lock_irqsave(&ar724x_pci_lock, flags);
-	data = __raw_readl(base + (where & ~3));
-
-	switch (size) {
-	case 1:
-		s = ((where & 3) << 3);
-		data &= ~(0xFF << s);
-		data |= ((value & 0xFF) << s);
-		break;
-	case 2:
-		s = ((where & 2) << 3);
-		data &= ~(0xFFFF << s);
-		data |= ((value & 0xFFFF) << s);
-		break;
-	case 4:
-		data = value;
-		break;
-	}
-
-	__raw_writel(data, base + (where & ~3));
-	/* flush write */
-	(void)__raw_readl(base + (where & ~3));
-	spin_unlock_irqrestore(&ar724x_pci_lock, flags);
-}
-
-static int ar724x_pci_read_config(struct pci_bus *bus, unsigned int devfn,
-				  int where, int size, u32 *value)
-{
-
-	if (bus->number != 0 || devfn != 0)
-		return PCIBIOS_DEVICE_NOT_FOUND;
-
-	ar724x_pci_read(ar724x_pci_devcfg_base, where, size, value);
-
-	DBG("PCI: read config: %02x:%02x.%01x/%02x:%01d, value=%08x\n",
-			bus->number, PCI_SLOT(devfn), PCI_FUNC(devfn),
-			where, size, *value);
-
-	/*
-	 * WAR for BAR issue - We are unable to access the PCI device space
-	 * if we set the BAR with proper base address
-	 */
-	if ((where == 0x10) && (size == 4)) {
-		u32 val;
-		val = (ar71xx_soc == AR71XX_SOC_AR7240) ? 0xffff : 0x1000ffff;
-		ar724x_pci_write(ar724x_pci_devcfg_base, where, size, val);
-	}
-
-	return PCIBIOS_SUCCESSFUL;
-}
-
-static int ar724x_pci_write_config(struct pci_bus *bus, unsigned int devfn,
-				   int where, int size, u32 value)
-{
-	if (bus->number != 0 || devfn != 0)
-		return PCIBIOS_DEVICE_NOT_FOUND;
-
-	DBG("PCI: write config: %02x:%02x.%01x/%02x:%01d, value=%08x\n",
-		bus->number, PCI_SLOT(devfn), PCI_FUNC(devfn),
-		where, size, value);
-
-	ar724x_pci_write(ar724x_pci_devcfg_base, where, size, value);
-
-	return PCIBIOS_SUCCESSFUL;
-}
-
-static void ar724x_pci_fixup(struct pci_dev *dev)
-{
-	u16 cmd;
-
-	if (!ar724x_pci_fixup_enable)
-		return;
-
-	if (dev->bus->number != 0 || dev->devfn != 0)
-		return;
-
-	/* setup COMMAND register */
-	pci_read_config_word(dev, PCI_COMMAND, &cmd);
-	cmd |= PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER |
-	       PCI_COMMAND_INVALIDATE | PCI_COMMAND_PARITY | PCI_COMMAND_SERR |
-	       PCI_COMMAND_FAST_BACK;
-
-	pci_write_config_word(dev, PCI_COMMAND, cmd);
-}
-DECLARE_PCI_FIXUP_EARLY(PCI_ANY_ID, PCI_ANY_ID, ar724x_pci_fixup);
-
-int __init ar724x_pcibios_map_irq(const struct pci_dev *dev, uint8_t slot,
-				  uint8_t pin)
-{
-	int irq = -1;
-	int i;
-
-	for (i = 0; i < ar71xx_pci_nr_irqs; i++) {
-		struct ar71xx_pci_irq *entry;
-		entry = &ar71xx_pci_irq_map[i];
-
-		if (entry->slot == slot && entry->pin == pin) {
-			irq = entry->irq;
-			break;
-		}
-	}
-
-	if (irq < 0)
-		printk(KERN_ALERT "PCI: no irq found for pin%u@%s\n",
-				pin, pci_name((struct pci_dev *)dev));
-	else
-		printk(KERN_INFO "PCI: mapping irq %d to pin%u@%s\n",
-				irq, pin, pci_name((struct pci_dev *)dev));
-
-	return irq;
-}
-
-static struct pci_ops ar724x_pci_ops = {
-	.read	= ar724x_pci_read_config,
-	.write	= ar724x_pci_write_config,
-};
-
-static struct resource ar724x_pci_io_resource = {
-	.name		= "PCI IO space",
-	.start		= 0,
-	.end		= 0,
-	.flags		= IORESOURCE_IO,
-};
-
-static struct resource ar724x_pci_mem_resource = {
-	.name		= "PCI memory space",
-	.start		= AR71XX_PCI_MEM_BASE,
-	.end		= AR71XX_PCI_MEM_BASE + AR71XX_PCI_MEM_SIZE - 1,
-	.flags		= IORESOURCE_MEM
-};
-
-static struct pci_controller ar724x_pci_controller = {
-	.pci_ops	= &ar724x_pci_ops,
-	.mem_resource	= &ar724x_pci_mem_resource,
-	.io_resource	= &ar724x_pci_io_resource,
-};
-
-static void __init ar724x_pci_reset(void)
-{
-	ar71xx_device_stop(AR724X_RESET_PCIE);
-	ar71xx_device_stop(AR724X_RESET_PCIE_PHY);
-	ar71xx_device_stop(AR724X_RESET_PCIE_PHY_SERIAL);
-	udelay(100);
-
-	ar71xx_device_start(AR724X_RESET_PCIE_PHY_SERIAL);
-	udelay(100);
-	ar71xx_device_start(AR724X_RESET_PCIE_PHY);
-	ar71xx_device_start(AR724X_RESET_PCIE);
-}
-
-static int __init ar724x_pci_setup(void)
-{
-	void __iomem *base = ar724x_pci_ctrl_base;
-	u32 t;
-
-	/* setup COMMAND register */
-	t = PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER | PCI_COMMAND_INVALIDATE |
-	    PCI_COMMAND_PARITY|PCI_COMMAND_SERR|PCI_COMMAND_FAST_BACK;
-
-	ar724x_pci_write(ar724x_pci_localcfg_base, PCI_COMMAND, 4, t);
-	ar724x_pci_write(ar724x_pci_localcfg_base, 0x20, 4, 0x1ff01000);
-	ar724x_pci_write(ar724x_pci_localcfg_base, 0x24, 4, 0x1ff01000);
-
-	t = __raw_readl(base + AR724X_PCI_REG_RESET);
-	if (t != 0x7) {
-		udelay(100000);
-		__raw_writel(0, base + AR724X_PCI_REG_RESET);
-		udelay(100);
-		__raw_writel(4, base + AR724X_PCI_REG_RESET);
-		udelay(100000);
-	}
-
-	if (ar71xx_soc == AR71XX_SOC_AR7240)
-		t = AR724X_PCI_APP_LTSSM_ENABLE;
-	else
-		t = 0x1ffc1;
-	__raw_writel(t, base + AR724X_PCI_REG_APP);
-	/* flush write */
-	(void) __raw_readl(base + AR724X_PCI_REG_APP);
-	udelay(1000);
-
-	t = __raw_readl(base + AR724X_PCI_REG_RESET);
-	if ((t & AR724X_PCI_RESET_LINK_UP) == 0x0) {
-		printk(KERN_WARNING "PCI: no PCIe module found\n");
-		return -ENODEV;
-	}
-
-	if (ar71xx_soc == AR71XX_SOC_AR7241 ||
-	    ar71xx_soc == AR71XX_SOC_AR7242) {
-		t = __raw_readl(base + AR724X_PCI_REG_APP);
-		t |= BIT(16);
-		__raw_writel(t, base + AR724X_PCI_REG_APP);
-	}
-
-	return 0;
-}
-
-static void ar724x_pci_irq_handler(unsigned int irq, struct irq_desc *desc)
-{
-	void __iomem *base = ar724x_pci_ctrl_base;
-	u32 pending;
-
-	pending = __raw_readl(base + AR724X_PCI_REG_INT_STATUS) &
-		  __raw_readl(base + AR724X_PCI_REG_INT_MASK);
-
-	if (pending & AR724X_PCI_INT_DEV0)
-		generic_handle_irq(AR71XX_PCI_IRQ_DEV0);
-
-	else
-		spurious_interrupt();
-}
-
-static void ar724x_pci_irq_unmask(struct irq_data *d)
-{
-	void __iomem *base = ar724x_pci_ctrl_base;
-	u32 t;
-
-	switch (d->irq) {
-	case AR71XX_PCI_IRQ_DEV0:
-		t = __raw_readl(base + AR724X_PCI_REG_INT_MASK);
-		__raw_writel(t | AR724X_PCI_INT_DEV0,
-			     base + AR724X_PCI_REG_INT_MASK);
-		/* flush write */
-		(void) __raw_readl(base + AR724X_PCI_REG_INT_MASK);
-	}
-}
-
-static void ar724x_pci_irq_mask(struct irq_data *d)
-{
-	void __iomem *base = ar724x_pci_ctrl_base;
-	u32 t;
-
-	switch (d->irq) {
-	case AR71XX_PCI_IRQ_DEV0:
-		t = __raw_readl(base + AR724X_PCI_REG_INT_MASK);
-		__raw_writel(t & ~AR724X_PCI_INT_DEV0,
-			     base + AR724X_PCI_REG_INT_MASK);
-
-		/* flush write */
-		(void) __raw_readl(base + AR724X_PCI_REG_INT_MASK);
-
-		t = __raw_readl(base + AR724X_PCI_REG_INT_STATUS);
-		__raw_writel(t | AR724X_PCI_INT_DEV0,
-			     base + AR724X_PCI_REG_INT_STATUS);
-
-		/* flush write */
-		(void) __raw_readl(base + AR724X_PCI_REG_INT_STATUS);
-	}
-}
-
-static struct irq_chip ar724x_pci_irq_chip = {
-	.name		= "AR724X PCI ",
-	.irq_mask	= ar724x_pci_irq_mask,
-	.irq_unmask	= ar724x_pci_irq_unmask,
-	.irq_mask_ack	= ar724x_pci_irq_mask,
-};
-
-static void __init ar724x_pci_irq_init(int irq)
-{
-	void __iomem *base = ar724x_pci_ctrl_base;
-	u32 t;
-	int i;
-
-	t = ar71xx_reset_rr(AR724X_RESET_REG_RESET_MODULE);
-	if (t & (AR724X_RESET_PCIE | AR724X_RESET_PCIE_PHY |
-		 AR724X_RESET_PCIE_PHY_SERIAL)) {
-		return;
-	}
-
-	__raw_writel(0, base + AR724X_PCI_REG_INT_MASK);
-	__raw_writel(0, base + AR724X_PCI_REG_INT_STATUS);
-
-	for (i = AR71XX_PCI_IRQ_BASE;
-	     i < AR71XX_PCI_IRQ_BASE + AR71XX_PCI_IRQ_COUNT; i++)
-		irq_set_chip_and_handler(i, &ar724x_pci_irq_chip,
-					 handle_level_irq);
-
-	irq_set_chained_handler(irq, ar724x_pci_irq_handler);
-}
-
-int __init ar724x_pcibios_init(int irq)
-{
-	int ret = -ENOMEM;
-
-	ar724x_pci_localcfg_base = ioremap_nocache(AR724X_PCI_CRP_BASE,
-						   AR724X_PCI_CRP_SIZE);
-	if (ar724x_pci_localcfg_base == NULL)
-		goto err;
-
-	ar724x_pci_devcfg_base = ioremap_nocache(AR724X_PCI_CFG_BASE,
-						 AR724X_PCI_CFG_SIZE);
-	if (ar724x_pci_devcfg_base == NULL)
-		goto err_unmap_localcfg;
-
-	ar724x_pci_ctrl_base = ioremap_nocache(AR724X_PCI_CTRL_BASE,
-					       AR724X_PCI_CTRL_SIZE);
-	if (ar724x_pci_ctrl_base == NULL)
-		goto err_unmap_devcfg;
-
-	ar724x_pci_reset();
-	ret = ar724x_pci_setup();
-	if (ret)
-		goto err_unmap_ctrl;
-
-	ar724x_pci_fixup_enable = 1;
-	ar724x_pci_irq_init(irq);
-	register_pci_controller(&ar724x_pci_controller);
-
-	return 0;
-
-err_unmap_ctrl:
-	iounmap(ar724x_pci_ctrl_base);
-err_unmap_devcfg:
-	iounmap(ar724x_pci_devcfg_base);
-err_unmap_localcfg:
-	iounmap(ar724x_pci_localcfg_base);
-err:
-	return ret;
-}