+++ /dev/null
---- a/arch/powerpc/kernel/Makefile
-+++ b/arch/powerpc/kernel/Makefile
-@@ -117,9 +117,11 @@ obj-$(CONFIG_FTRACE_SYSCALLS) += ftrace.
-
- obj-$(CONFIG_8XX_MINIMAL_FPEMU) += softemu8xx.o
-
-+ifneq ($(CONFIG_RB_IOMAP),y)
- ifneq ($(CONFIG_PPC_INDIRECT_IO),y)
- obj-y += iomap.o
- endif
-+endif
-
- obj64-$(CONFIG_PPC_TRANSACTIONAL_MEM) += tm.o
-
---- a/arch/powerpc/platforms/83xx/Makefile
-+++ b/arch/powerpc/platforms/83xx/Makefile
-@@ -7,6 +7,7 @@ obj-$(CONFIG_MCU_MPC8349EMITX) += mcu_mp
- obj-$(CONFIG_MPC830x_RDB) += mpc830x_rdb.o
- obj-$(CONFIG_MPC831x_RDB) += mpc831x_rdb.o
- obj-$(CONFIG_MPC832x_RDB) += mpc832x_rdb.o
-+obj-$(CONFIG_RB_PPC) += rbppc.o
- obj-$(CONFIG_MPC834x_MDS) += mpc834x_mds.o
- obj-$(CONFIG_MPC834x_ITX) += mpc834x_itx.o
- obj-$(CONFIG_MPC836x_MDS) += mpc836x_mds.o
---- a/arch/powerpc/platforms/Kconfig
-+++ b/arch/powerpc/platforms/Kconfig
-@@ -191,6 +191,10 @@ config PPC_INDIRECT_MMIO
- config PPC_IO_WORKAROUNDS
- bool
-
-+config RB_IOMAP
-+ bool
-+ default y if RB_PPC
-+
- source "drivers/cpufreq/Kconfig"
-
- menu "CPU Frequency drivers"
---- a/arch/powerpc/sysdev/Makefile
-+++ b/arch/powerpc/sysdev/Makefile
-@@ -71,3 +71,6 @@ subdir-ccflags-$(CONFIG_PPC_WERROR) := -
- obj-$(CONFIG_PPC_XICS) += xics/
-
- obj-$(CONFIG_GE_FPGA) += ge/
-+
-+obj-$(CONFIG_RB_IOMAP) += rb_iomap.o
-+
---- /dev/null
-+++ b/arch/powerpc/sysdev/rb_iomap.c
-@@ -0,0 +1,204 @@
-+#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 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);
---- a/arch/powerpc/platforms/83xx/Kconfig
-+++ b/arch/powerpc/platforms/83xx/Kconfig
-@@ -44,6 +44,7 @@ config RB_PPC
- select QUICC_ENGINE
- select PPC_MPC832x
- select PPC_MPC834x
-+ select RB_IOMAP
- help
- This option enables support for MikroTik RouterBOARD 333/600 series boards.
-
projects / openwrt / svn-archive / archive.git / blobdiff