ar71xx: add initial support for 3.2

Tested on the following boards:
  ALFA AP96
  TL-MR3220 v1
  TL-WR1043ND v1
  TL-WR2543ND v1
  TL-WR703N v1
  TL-WR741ND v1
  TL-WR741ND v4
  WNDR3700 v1
  WZR-HP-G300NH

SVN-Revision: 29868

1 files changed, 318 insertions, 0 deletions

diff --git a/target/linux/ar71xx/patches-3.2/106-MIPS-ath79-rename-pci-ath724x.c-to-make-it-reflect-t.patch b/target/linux/ar71xx/patches-3.2/106-MIPS-ath79-rename-pci-ath724x.c-to-make-it-reflect-t.patch
new file mode 100644
index 0000000000..55adff0a70
--- /dev/null
+++ b/target/linux/ar71xx/patches-3.2/106-MIPS-ath79-rename-pci-ath724x.c-to-make-it-reflect-t.patch
@@ -0,0 +1,318 @@
+From 9510a9988638ae2386277a832fab2df8ca37d75a Mon Sep 17 00:00:00 2001
+From: Gabor Juhos <juhosg@openwrt.org>
+Date: Fri, 18 Nov 2011 11:07:26 +0100
+Subject: [PATCH 06/35] MIPS: ath79: rename pci-ath724x.c to make it reflect the real SoC name
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
+Acked-by: René Bolldorf <xsecute@googlemail.com>
+
+v4: - add an Acked-by tag from René
+v4: - no changes
+v3: - no changes
+v2: - no changes
+---
+ arch/mips/pci/Makefile      |    2 +-
+ arch/mips/pci/pci-ar724x.c  |  139 +++++++++++++++++++++++++++++++++++++++++++
+ arch/mips/pci/pci-ath724x.c |  139 -------------------------------------------
+ 3 files changed, 140 insertions(+), 140 deletions(-)
+ create mode 100644 arch/mips/pci/pci-ar724x.c
+ delete mode 100644 arch/mips/pci/pci-ath724x.c
+
+--- a/arch/mips/pci/Makefile
++++ b/arch/mips/pci/Makefile
+@@ -19,7 +19,7 @@ obj-$(CONFIG_BCM47XX)		+= pci-bcm47xx.o
+ obj-$(CONFIG_BCM63XX)		+= pci-bcm63xx.o fixup-bcm63xx.o \
+ 					ops-bcm63xx.o
+ obj-$(CONFIG_MIPS_ALCHEMY)	+= pci-alchemy.o
+-obj-$(CONFIG_SOC_AR724X)	+= pci-ath724x.o
++obj-$(CONFIG_SOC_AR724X)	+= pci-ar724x.o
+ 
+ #
+ # These are still pretty much in the old state, watch, go blind.
+--- /dev/null
++++ b/arch/mips/pci/pci-ar724x.c
+@@ -0,0 +1,139 @@
++/*
++ *  Atheros 724x PCI support
++ *
++ *  Copyright (C) 2011 René Bolldorf <xsecute@googlemail.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/pci.h>
++#include <asm/mach-ath79/pci.h>
++
++#define reg_read(_phys)		(*(unsigned int *) KSEG1ADDR(_phys))
++#define reg_write(_phys, _val)	((*(unsigned int *) KSEG1ADDR(_phys)) = (_val))
++
++#define ATH724X_PCI_DEV_BASE	0x14000000
++#define ATH724X_PCI_MEM_BASE	0x10000000
++#define ATH724X_PCI_MEM_SIZE	0x08000000
++
++static DEFINE_SPINLOCK(ath724x_pci_lock);
++
++static int ath724x_pci_read(struct pci_bus *bus, unsigned int devfn, int where,
++			    int size, uint32_t *value)
++{
++	unsigned long flags, addr, tval, mask;
++
++	if (devfn)
++		return PCIBIOS_DEVICE_NOT_FOUND;
++
++	if (where & (size - 1))
++		return PCIBIOS_BAD_REGISTER_NUMBER;
++
++	spin_lock_irqsave(&ath724x_pci_lock, flags);
++
++	switch (size) {
++	case 1:
++		addr = where & ~3;
++		mask = 0xff000000 >> ((where % 4) * 8);
++		tval = reg_read(ATH724X_PCI_DEV_BASE + addr);
++		tval = tval & ~mask;
++		*value = (tval >> ((4 - (where % 4))*8));
++		break;
++	case 2:
++		addr = where & ~3;
++		mask = 0xffff0000 >> ((where % 4)*8);
++		tval = reg_read(ATH724X_PCI_DEV_BASE + addr);
++		tval = tval & ~mask;
++		*value = (tval >> ((4 - (where % 4))*8));
++		break;
++	case 4:
++		*value = reg_read(ATH724X_PCI_DEV_BASE + where);
++		break;
++	default:
++		spin_unlock_irqrestore(&ath724x_pci_lock, flags);
++
++		return PCIBIOS_BAD_REGISTER_NUMBER;
++	}
++
++	spin_unlock_irqrestore(&ath724x_pci_lock, flags);
++
++	return PCIBIOS_SUCCESSFUL;
++}
++
++static int ath724x_pci_write(struct pci_bus *bus, unsigned int devfn, int where,
++			     int size, uint32_t value)
++{
++	unsigned long flags, tval, addr, mask;
++
++	if (devfn)
++		return PCIBIOS_DEVICE_NOT_FOUND;
++
++	if (where & (size - 1))
++		return PCIBIOS_BAD_REGISTER_NUMBER;
++
++	spin_lock_irqsave(&ath724x_pci_lock, flags);
++
++	switch (size) {
++	case 1:
++		addr = (ATH724X_PCI_DEV_BASE + where) & ~3;
++		mask = 0xff000000 >> ((where % 4)*8);
++		tval = reg_read(addr);
++		tval = tval & ~mask;
++		tval |= (value << ((4 - (where % 4))*8)) & mask;
++		reg_write(addr, tval);
++		break;
++	case 2:
++		addr = (ATH724X_PCI_DEV_BASE + where) & ~3;
++		mask = 0xffff0000 >> ((where % 4)*8);
++		tval = reg_read(addr);
++		tval = tval & ~mask;
++		tval |= (value << ((4 - (where % 4))*8)) & mask;
++		reg_write(addr, tval);
++		break;
++	case 4:
++		reg_write((ATH724X_PCI_DEV_BASE + where), value);
++		break;
++	default:
++		spin_unlock_irqrestore(&ath724x_pci_lock, flags);
++
++		return PCIBIOS_BAD_REGISTER_NUMBER;
++	}
++
++	spin_unlock_irqrestore(&ath724x_pci_lock, flags);
++
++	return PCIBIOS_SUCCESSFUL;
++}
++
++static struct pci_ops ath724x_pci_ops = {
++	.read	= ath724x_pci_read,
++	.write	= ath724x_pci_write,
++};
++
++static struct resource ath724x_io_resource = {
++	.name   = "PCI IO space",
++	.start  = 0,
++	.end    = 0,
++	.flags  = IORESOURCE_IO,
++};
++
++static struct resource ath724x_mem_resource = {
++	.name   = "PCI memory space",
++	.start  = ATH724X_PCI_MEM_BASE,
++	.end    = ATH724X_PCI_MEM_BASE + ATH724X_PCI_MEM_SIZE - 1,
++	.flags  = IORESOURCE_MEM,
++};
++
++static struct pci_controller ath724x_pci_controller = {
++	.pci_ops        = &ath724x_pci_ops,
++	.io_resource    = &ath724x_io_resource,
++	.mem_resource	= &ath724x_mem_resource,
++};
++
++int __init ath724x_pcibios_init(void)
++{
++	register_pci_controller(&ath724x_pci_controller);
++
++	return PCIBIOS_SUCCESSFUL;
++}
+--- a/arch/mips/pci/pci-ath724x.c
++++ /dev/null
+@@ -1,139 +0,0 @@
+-/*
+- *  Atheros 724x PCI support
+- *
+- *  Copyright (C) 2011 René Bolldorf <xsecute@googlemail.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/pci.h>
+-#include <asm/mach-ath79/pci.h>
+-
+-#define reg_read(_phys)		(*(unsigned int *) KSEG1ADDR(_phys))
+-#define reg_write(_phys, _val)	((*(unsigned int *) KSEG1ADDR(_phys)) = (_val))
+-
+-#define ATH724X_PCI_DEV_BASE	0x14000000
+-#define ATH724X_PCI_MEM_BASE	0x10000000
+-#define ATH724X_PCI_MEM_SIZE	0x08000000
+-
+-static DEFINE_SPINLOCK(ath724x_pci_lock);
+-
+-static int ath724x_pci_read(struct pci_bus *bus, unsigned int devfn, int where,
+-			    int size, uint32_t *value)
+-{
+-	unsigned long flags, addr, tval, mask;
+-
+-	if (devfn)
+-		return PCIBIOS_DEVICE_NOT_FOUND;
+-
+-	if (where & (size - 1))
+-		return PCIBIOS_BAD_REGISTER_NUMBER;
+-
+-	spin_lock_irqsave(&ath724x_pci_lock, flags);
+-
+-	switch (size) {
+-	case 1:
+-		addr = where & ~3;
+-		mask = 0xff000000 >> ((where % 4) * 8);
+-		tval = reg_read(ATH724X_PCI_DEV_BASE + addr);
+-		tval = tval & ~mask;
+-		*value = (tval >> ((4 - (where % 4))*8));
+-		break;
+-	case 2:
+-		addr = where & ~3;
+-		mask = 0xffff0000 >> ((where % 4)*8);
+-		tval = reg_read(ATH724X_PCI_DEV_BASE + addr);
+-		tval = tval & ~mask;
+-		*value = (tval >> ((4 - (where % 4))*8));
+-		break;
+-	case 4:
+-		*value = reg_read(ATH724X_PCI_DEV_BASE + where);
+-		break;
+-	default:
+-		spin_unlock_irqrestore(&ath724x_pci_lock, flags);
+-
+-		return PCIBIOS_BAD_REGISTER_NUMBER;
+-	}
+-
+-	spin_unlock_irqrestore(&ath724x_pci_lock, flags);
+-
+-	return PCIBIOS_SUCCESSFUL;
+-}
+-
+-static int ath724x_pci_write(struct pci_bus *bus, unsigned int devfn, int where,
+-			     int size, uint32_t value)
+-{
+-	unsigned long flags, tval, addr, mask;
+-
+-	if (devfn)
+-		return PCIBIOS_DEVICE_NOT_FOUND;
+-
+-	if (where & (size - 1))
+-		return PCIBIOS_BAD_REGISTER_NUMBER;
+-
+-	spin_lock_irqsave(&ath724x_pci_lock, flags);
+-
+-	switch (size) {
+-	case 1:
+-		addr = (ATH724X_PCI_DEV_BASE + where) & ~3;
+-		mask = 0xff000000 >> ((where % 4)*8);
+-		tval = reg_read(addr);
+-		tval = tval & ~mask;
+-		tval |= (value << ((4 - (where % 4))*8)) & mask;
+-		reg_write(addr, tval);
+-		break;
+-	case 2:
+-		addr = (ATH724X_PCI_DEV_BASE + where) & ~3;
+-		mask = 0xffff0000 >> ((where % 4)*8);
+-		tval = reg_read(addr);
+-		tval = tval & ~mask;
+-		tval |= (value << ((4 - (where % 4))*8)) & mask;
+-		reg_write(addr, tval);
+-		break;
+-	case 4:
+-		reg_write((ATH724X_PCI_DEV_BASE + where), value);
+-		break;
+-	default:
+-		spin_unlock_irqrestore(&ath724x_pci_lock, flags);
+-
+-		return PCIBIOS_BAD_REGISTER_NUMBER;
+-	}
+-
+-	spin_unlock_irqrestore(&ath724x_pci_lock, flags);
+-
+-	return PCIBIOS_SUCCESSFUL;
+-}
+-
+-static struct pci_ops ath724x_pci_ops = {
+-	.read	= ath724x_pci_read,
+-	.write	= ath724x_pci_write,
+-};
+-
+-static struct resource ath724x_io_resource = {
+-	.name   = "PCI IO space",
+-	.start  = 0,
+-	.end    = 0,
+-	.flags  = IORESOURCE_IO,
+-};
+-
+-static struct resource ath724x_mem_resource = {
+-	.name   = "PCI memory space",
+-	.start  = ATH724X_PCI_MEM_BASE,
+-	.end    = ATH724X_PCI_MEM_BASE + ATH724X_PCI_MEM_SIZE - 1,
+-	.flags  = IORESOURCE_MEM,
+-};
+-
+-static struct pci_controller ath724x_pci_controller = {
+-	.pci_ops        = &ath724x_pci_ops,
+-	.io_resource    = &ath724x_io_resource,
+-	.mem_resource	= &ath724x_mem_resource,
+-};
+-
+-int __init ath724x_pcibios_init(void)
+-{
+-	register_pci_controller(&ath724x_pci_controller);
+-
+-	return PCIBIOS_SUCCESSFUL;
+-}