mpc83xx: add kernel 2.6.35 preliminary support

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@21896 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 226 insertions, 0 deletions

diff --git a/target/linux/mpc83xx/patches-2.6.35/010-sysdev_rb_iomap.patch b/target/linux/mpc83xx/patches-2.6.35/010-sysdev_rb_iomap.patch
new file mode 100644
index 0000000000..43c44bad2d
--- /dev/null
+++ b/target/linux/mpc83xx/patches-2.6.35/010-sysdev_rb_iomap.patch
@@ -0,0 +1,226 @@
+--- /dev/null
++++ b/arch/powerpc/sysdev/rb_iomap.c
+@@ -0,0 +1,223 @@
++#include <linux/init.h>
++#include <linux/pci.h>
++#include <linux/mm.h>
++#include <asm/io.h>
++
++#define LOCALBUS_START		0x40000000
++#define LOCALBUS_MASK		0x007fffff
++#define LOCALBUS_REGMASK	0x001fffff
++
++static void __iomem *localbus_base;
++
++static inline int is_localbus(void __iomem *addr)
++{
++	return ((unsigned) addr & ~LOCALBUS_MASK) == LOCALBUS_START;
++}
++
++static inline unsigned localbus_regoff(unsigned reg) {
++	return (reg << 16) | (((reg ^ 8) & 8) << 17);
++}
++
++static inline void __iomem *localbus_addr(void __iomem *addr)
++{
++	return localbus_base
++	    + ((unsigned) addr & LOCALBUS_MASK & ~LOCALBUS_REGMASK)
++	    + localbus_regoff((unsigned) addr & LOCALBUS_REGMASK);
++}
++
++unsigned int ioread8(void __iomem *addr)
++{
++	if (is_localbus(addr))
++		return in_be16(localbus_addr(addr)) >> 8;
++	return readb(addr);
++}
++EXPORT_SYMBOL(ioread8);
++
++unsigned int ioread16(void __iomem *addr)
++{
++	if (is_localbus(addr))
++		return le16_to_cpu(in_be16(localbus_addr(addr)));
++	return readw(addr);
++}
++EXPORT_SYMBOL(ioread16);
++
++unsigned int ioread16be(void __iomem *addr)
++{
++	return in_be16(addr);
++}
++EXPORT_SYMBOL(ioread16be);
++
++unsigned int ioread32(void __iomem *addr)
++{
++	return readl(addr);
++}
++EXPORT_SYMBOL(ioread32);
++
++unsigned int ioread32be(void __iomem *addr)
++{
++	return in_be32(addr);
++}
++EXPORT_SYMBOL(ioread32be);
++
++void iowrite8(u8 val, void __iomem *addr)
++{
++	if (is_localbus(addr))
++		out_be16(localbus_addr(addr), ((u16) val) << 8);
++	else
++		writeb(val, addr);
++}
++EXPORT_SYMBOL(iowrite8);
++
++void iowrite16(u16 val, void __iomem *addr)
++{
++	if (is_localbus(addr))
++		out_be16(localbus_addr(addr), cpu_to_le16(val));
++	else
++		writew(val, addr);
++}
++EXPORT_SYMBOL(iowrite16);
++
++void iowrite16be(u16 val, void __iomem *addr)
++{
++	out_be16(addr, val);
++}
++EXPORT_SYMBOL(iowrite16be);
++
++void iowrite32(u32 val, void __iomem *addr)
++{
++	writel(val, addr);
++}
++EXPORT_SYMBOL(iowrite32);
++
++void iowrite32be(u32 val, void __iomem *addr)
++{
++	out_be32(addr, val);
++}
++EXPORT_SYMBOL(iowrite32be);
++
++void ioread8_rep(void __iomem *addr, void *dst, unsigned long count)
++{
++	if (is_localbus(addr)) {
++		unsigned i;
++		void *laddr = localbus_addr(addr);
++		u8 *buf = dst;
++
++		for (i = 0; i < count; ++i) {
++			*buf++ = in_be16(laddr) >> 8;
++		}
++	} else {
++		_insb((u8 __iomem *) addr, dst, count);
++	}
++}
++EXPORT_SYMBOL(ioread8_rep);
++
++void ioread16_rep(void __iomem *addr, void *dst, unsigned long count)
++{
++	if (is_localbus(addr)) {
++		unsigned i;
++		void *laddr = localbus_addr(addr);
++		u16 *buf = dst;
++
++		for (i = 0; i < count; ++i) {
++			*buf++ = in_be16(laddr);
++		}
++	} else {
++		_insw_ns((u16 __iomem *) addr, dst, count);
++	}
++}
++EXPORT_SYMBOL(ioread16_rep);
++
++void ioread32_rep(void __iomem *addr, void *dst, unsigned long count)
++{
++	_insl_ns((u32 __iomem *) addr, dst, count);
++}
++EXPORT_SYMBOL(ioread32_rep);
++
++void iowrite8_rep(void __iomem *addr, const void *src, unsigned long count)
++{
++	if (is_localbus(addr)) {
++		unsigned i;
++		void *laddr = localbus_addr(addr);
++		const u8 *buf = src;
++
++		for (i = 0; i < count; ++i) {
++			out_be16(laddr, ((u16) *buf++) << 8);
++		}
++	} else {
++		_outsb((u8 __iomem *) addr, src, count);
++	}
++}
++EXPORT_SYMBOL(iowrite8_rep);
++
++void iowrite16_rep(void __iomem *addr, const void *src, unsigned long count)
++{
++	if (is_localbus(addr)) {
++		unsigned i;
++		void *laddr = localbus_addr(addr);
++		const u16 *buf = src;
++
++		for (i = 0; i < count; ++i) {
++			out_be16(laddr, *buf++);
++		}
++	} else {
++		_outsw_ns((u16 __iomem *) addr, src, count);
++	}
++}
++EXPORT_SYMBOL(iowrite16_rep);
++
++void iowrite32_rep(void __iomem *addr, const void *src, unsigned long count)
++{
++	_outsl_ns((u32 __iomem *) addr, src, count);
++}
++EXPORT_SYMBOL(iowrite32_rep);
++
++void __iomem *ioport_map(unsigned long port, unsigned int len)
++{
++	return (void __iomem *) (port + _IO_BASE);
++}
++EXPORT_SYMBOL(ioport_unmap);
++
++void ioport_unmap(void __iomem *addr)
++{
++	/* Nothing to do */
++}
++EXPORT_SYMBOL(ioport_map);
++
++void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned long max)
++{
++	unsigned long start = pci_resource_start(dev, bar);
++	unsigned long len = pci_resource_len(dev, bar);
++	unsigned long flags = pci_resource_flags(dev, bar);
++
++	if (!len)
++		return NULL;
++	if (max && len > max)
++		len = max;
++	if (flags & IORESOURCE_IO)
++		return ioport_map(start, len);
++	if (flags & IORESOURCE_MEM)
++		return ioremap(start, len);
++	/* What? */
++	return NULL;
++}
++EXPORT_SYMBOL(pci_iomap);
++
++void pci_iounmap(struct pci_dev *dev, void __iomem *addr)
++{
++	/* Nothing to do */
++}
++EXPORT_SYMBOL(pci_iounmap);
++
++void __iomem *localbus_map(unsigned long addr, unsigned int len)
++{
++	if (!localbus_base)
++		localbus_base = ioremap(addr & ~LOCALBUS_MASK,
++					LOCALBUS_MASK + 1);
++	return (void *) (LOCALBUS_START + (addr & LOCALBUS_MASK));
++}
++EXPORT_SYMBOL(localbus_map);
++
++void localbus_unmap(void __iomem *addr)
++{
++}
++EXPORT_SYMBOL(localbus_unmap);