[RFC PATCH 03/12] sh: SH4 OF support.

- switch generic framework in clock / PCI.

Signed-off-by: Yoshinori Sato <[email protected]>
---
 arch/sh/drivers/Makefile        |  2 ++
 arch/sh/include/asm/io.h        | 10 ++++++++++
 arch/sh/include/asm/pci.h       |  4 ++++
 arch/sh/kernel/cpu/Makefile     |  8 ++++++--
 arch/sh/kernel/cpu/clock.c      |  3 ++-
 arch/sh/kernel/cpu/sh4/Makefile |  2 ++
 6 files changed, 26 insertions(+), 3 deletions(-)

diff --git a/arch/sh/drivers/Makefile b/arch/sh/drivers/Makefile
index 56b0acace6e7..eacbcefb26b2 100644
--- a/arch/sh/drivers/Makefile
+++ b/arch/sh/drivers/Makefile
@@ -5,7 +5,9 @@
 
 obj-y		+= dma/ platform_early.o
 
+ifndef CONFIG_SH_DEVICE_TREE
 obj-$(CONFIG_PCI)		+= pci/
+endif
 obj-$(CONFIG_SUPERHYWAY)	+= superhyway/
 obj-$(CONFIG_PUSH_SWITCH)	+= push-switch.o
 obj-$(CONFIG_HEARTBEAT)		+= heartbeat.o
diff --git a/arch/sh/include/asm/io.h b/arch/sh/include/asm/io.h
index d8f3537ef57f..d14adf034780 100644
--- a/arch/sh/include/asm/io.h
+++ b/arch/sh/include/asm/io.h
@@ -292,4 +292,14 @@ static inline void iounmap(volatile void __iomem *addr) { }
 int valid_phys_addr_range(phys_addr_t addr, size_t size);
 int valid_mmap_phys_addr_range(unsigned long pfn, size_t size);
 
+
+#ifdef __KERNEL__
+#define PCI_IOBASE	0xfe240000UL
+
+#define HAVE_ARCH_PIO_SIZE
+#define PIO_OFFSET	PCI_IOBASE
+#define PIO_MASK	0x3ffffUL
+#define PIO_RESERVED	0x40000UL
+#endif /* __KERNEL__ */
+
 #endif /* __ASM_SH_IO_H */
diff --git a/arch/sh/include/asm/pci.h b/arch/sh/include/asm/pci.h
index 54c30126ea17..92b3bd604319 100644
--- a/arch/sh/include/asm/pci.h
+++ b/arch/sh/include/asm/pci.h
@@ -2,6 +2,7 @@
 #ifndef __ASM_SH_PCI_H
 #define __ASM_SH_PCI_H
 
+#ifndef CONFIG_SH_DEVICE_TREE
 /* Can be used to override the logic in pci_scan_bus for skipping
    already-configured bus numbers - to be used for buggy BIOSes
    or architectures with incomplete PCI setup by the loader */
@@ -88,4 +89,7 @@ static inline int pci_proc_domain(struct pci_bus *bus)
 	return hose->need_domain_info;
 }
 
+#else /* CONFIG_SH_DEVICE_TREE */
+#include <asm-generic/pci.h>
+#endif
 #endif /* __ASM_SH_PCI_H */
diff --git a/arch/sh/kernel/cpu/Makefile b/arch/sh/kernel/cpu/Makefile
index 46118236bf04..e462a9552c92 100644
--- a/arch/sh/kernel/cpu/Makefile
+++ b/arch/sh/kernel/cpu/Makefile
@@ -16,6 +16,10 @@ obj-$(CONFIG_ARCH_SHMOBILE)	+= shmobile/
 # Common interfaces.
 
 obj-$(CONFIG_SH_ADC)		+= adc.o
+ifndef CONFIG_COMMON_CLK
 obj-$(CONFIG_SH_CLK_CPG_LEGACY)	+= clock-cpg.o
-
-obj-y	+= irq/ init.o clock.o fpu.o pfc.o proc.o
+endif
+ifndef CONFIG_GENERIC_IRQ_CHIP
+obj-y	+= irq/
+endif
+obj-y	+= init.o clock.o fpu.o pfc.o proc.o
diff --git a/arch/sh/kernel/cpu/clock.c b/arch/sh/kernel/cpu/clock.c
index 6fb34410d630..e6c75d4ba7e1 100644
--- a/arch/sh/kernel/cpu/clock.c
+++ b/arch/sh/kernel/cpu/clock.c
@@ -14,12 +14,13 @@
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/clk.h>
+#include <linux/of.h>
 #include <asm/clock.h>
 #include <asm/machvec.h>
 
 int __init clk_init(void)
 {
-	int ret;
+	int ret = 0;
 
 #ifndef CONFIG_COMMON_CLK
 	ret = arch_clk_init();
diff --git a/arch/sh/kernel/cpu/sh4/Makefile b/arch/sh/kernel/cpu/sh4/Makefile
index 00c16331e07e..1e196c320b96 100644
--- a/arch/sh/kernel/cpu/sh4/Makefile
+++ b/arch/sh/kernel/cpu/sh4/Makefile
@@ -15,6 +15,7 @@ perf-$(CONFIG_CPU_SUBTYPE_SH7750)	:= perf_event.o
 perf-$(CONFIG_CPU_SUBTYPE_SH7750S)	:= perf_event.o
 perf-$(CONFIG_CPU_SUBTYPE_SH7091)	:= perf_event.o
 
+ifndef CONFIG_OF
 # CPU subtype setup
 obj-$(CONFIG_CPU_SUBTYPE_SH7750)	+= setup-sh7750.o
 obj-$(CONFIG_CPU_SUBTYPE_SH7750R)	+= setup-sh7750.o
@@ -32,6 +33,7 @@ endif
 
 # Additional clocks by subtype
 clock-$(CONFIG_CPU_SUBTYPE_SH4_202)	+= clock-sh4-202.o
+endif
 
 obj-y					+= $(clock-y)
 obj-$(CONFIG_PERF_EVENTS)		+= $(perf-y)
-- 
2.39.2