[PATCH] powerpc: Cleanup MPC83xx platform support

Moved some code around so its usable by more systems than just
the MPC834x SYS.

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>

diff --git a/arch/powerpc/platforms/83xx/Makefile b/arch/powerpc/platforms/83xx/Makefile
index 9d8b28ef33435a8c613ea8ae004ae5a2b7be9bd1..5c72367441a83dbc2c2e753bc204bdcb0f30484e 100644 (file)
--- a/arch/powerpc/platforms/83xx/Makefile
+++ b/arch/powerpc/platforms/83xx/Makefile
@@ -1,4 +1,6 @@
 #
 # Makefile for the PowerPC 83xx linux kernel.
 #
-obj-$(CONFIG_MPC834x_SYS)      += mpc834x_sys.o pci.o
+obj-y                          := misc.o
+obj-$(CONFIG_PCI)              += pci.o
+obj-$(CONFIG_MPC834x_SYS)      += mpc834x_sys.o

diff --git a/arch/powerpc/platforms/83xx/misc.c b/arch/powerpc/platforms/83xx/misc.c
new file mode 100644 (file)
index 0000000..0eb3d99
--- /dev/null
+++ b/arch/powerpc/platforms/83xx/misc.c
@@ -0,0 +1,55 @@
+/*
+ * misc setup functions for MPC83xx
+ *
+ * Maintainer: Kumar Gala <galak@kernel.crashing.org>
+ *
+ * This program is free software; you can redistribute  it and/or modify it
+ * under  the terms of  the GNU General  Public License as published by the
+ * Free Software Foundation;  either version 2 of the  License, or (at your
+ * option) any later version.
+ */
+
+#include <linux/config.h>
+#include <linux/stddef.h>
+#include <linux/kernel.h>
+
+#include <asm/io.h>
+#include <asm/hw_irq.h>
+#include <sysdev/fsl_soc.h>
+
+#include "mpc83xx.h"
+
+void mpc83xx_restart(char *cmd)
+{
+#define RST_OFFSET     0x00000900
+#define RST_PROT_REG   0x00000018
+#define RST_CTRL_REG   0x0000001c
+       __be32 __iomem *reg;
+
+       /* map reset register space */
+       reg = ioremap(get_immrbase() + 0x900, 0xff);
+
+       local_irq_disable();
+
+       /* enable software reset "RSTE" */
+       out_be32(reg + (RST_PROT_REG >> 2), 0x52535445);
+
+       /* set software hard reset */
+       out_be32(reg + (RST_CTRL_REG >> 2), 0x52535445);
+       for (;;) ;
+}
+
+long __init mpc83xx_time_init(void)
+{
+#define SPCR_OFFSET    0x00000110
+#define SPCR_TBEN      0x00400000
+       __be32 __iomem *spcr = ioremap(get_immrbase() + SPCR_OFFSET, 4);
+       __be32 tmp;
+
+       tmp = in_be32(spcr);
+       out_be32(spcr, tmp | SPCR_TBEN);
+
+       iounmap(spcr);
+
+       return 0;
+}

diff --git a/arch/powerpc/platforms/83xx/mpc834x_sys.c b/arch/powerpc/platforms/83xx/mpc834x_sys.c
index 2098dd05a773c1def834ced9f349556029973b48..7d5a27829bc89f415d81943a0f72cdcf76964443 100644 (file)
--- a/arch/powerpc/platforms/83xx/mpc834x_sys.c
+++ b/arch/powerpc/platforms/83xx/mpc834x_sys.c
@@ -24,22 +24,15 @@
 #include <linux/delay.h>
 #include <linux/seq_file.h>
 #include <linux/root_dev.h>
-#include <linux/module.h>
-#include <linux/fsl_devices.h>
 
 #include <asm/system.h>
-#include <asm/pgtable.h>
-#include <asm/page.h>
 #include <asm/atomic.h>
 #include <asm/time.h>
 #include <asm/io.h>
 #include <asm/machdep.h>
 #include <asm/ipic.h>
 #include <asm/bootinfo.h>
-#include <asm/pci-bridge.h>
-#include <asm/mpc83xx.h>
 #include <asm/irq.h>
-#include <mm/mmu_decl.h>
 #include <asm/prom.h>
 #include <asm/udbg.h>
 #include <sysdev/fsl_soc.h>
@@ -52,8 +45,6 @@ unsigned long isa_mem_base = 0;
 #endif
 
 #ifdef CONFIG_PCI
-extern int mpc83xx_pci2_busno;
-
 static int
 mpc83xx_map_irq(struct pci_dev *dev, unsigned char idsel, unsigned char pin)
 {
@@ -78,17 +69,6 @@ mpc83xx_map_irq(struct pci_dev *dev, unsigned char idsel, unsigned char pin)
        const long min_idsel = 0x11, max_idsel = 0x20, irqs_per_slot = 4;
        return PCI_IRQ_TABLE_LOOKUP;
 }
-
-static int
-mpc83xx_exclude_device(u_char bus, u_char devfn)
-{
-       if (bus == 0 && PCI_SLOT(devfn) == 0)
-               return PCIBIOS_DEVICE_NOT_FOUND;
-       if (mpc83xx_pci2_busno)
-               if (bus == (mpc83xx_pci2_busno) && PCI_SLOT(devfn) == 0)
-                       return PCIBIOS_DEVICE_NOT_FOUND;
-       return PCIBIOS_SUCCESSFUL;
-}
 #endif /* CONFIG_PCI */
 
 /* ************************************************************************
@@ -180,42 +160,6 @@ mpc834x_rtc_hookup(void)
 late_initcall(mpc834x_rtc_hookup);
 #endif
 
-static void
-mpc83xx_restart(char *cmd)
-{
-#define RST_OFFSET     0x00000900
-#define RST_PROT_REG   0x00000018
-#define RST_CTRL_REG   0x0000001c
-       __be32 __iomem *reg;
-
-       // map reset register space
-       reg = ioremap(get_immrbase() + 0x900, 0xff);
-
-       local_irq_disable();
-
-       /* enable software reset "RSTE" */
-       out_be32(reg + (RST_PROT_REG >> 2), 0x52535445);
-
-       /* set software hard reset */
-       out_be32(reg + (RST_CTRL_REG >> 2), 0x52535445);
-       for(;;);
-}
-
-static long __init
-mpc83xx_time_init(void)
-{
-#define SPCR_OFFSET    0x00000110
-#define SPCR_TBEN      0x00400000
-       __be32 __iomem *spcr = ioremap(get_immrbase() + SPCR_OFFSET, 4);
-       __be32 tmp;
-
-       tmp = in_be32(spcr);
-       out_be32(spcr, tmp|SPCR_TBEN);
-
-       iounmap(spcr);
-
-       return 0;
-}
 void __init
 platform_init(void)
 {
@@ -239,5 +183,3 @@ platform_init(void)
 
        return;
 }
-
-

diff --git a/arch/powerpc/platforms/83xx/mpc83xx.h b/arch/powerpc/platforms/83xx/mpc83xx.h
index ce9e66abef24ac92ddb8a48e0378580ffab9792d..228d5c463f71c5f0ffa8b5c174f4f07af0a8f9c7 100644 (file)
--- a/arch/powerpc/platforms/83xx/mpc83xx.h
+++ b/arch/powerpc/platforms/83xx/mpc83xx.h
@@ -10,5 +10,8 @@
  */
 
 extern int add_bridge(struct device_node *dev);
+extern int mpc83xx_exclude_device(u_char bus, u_char devfn);
+extern void mpc83xx_restart(char *cmd);
+extern long mpc83xx_time_init(void);
 
 #endif /* __MPC83XX_H__ */

diff --git a/arch/powerpc/platforms/83xx/pci.c b/arch/powerpc/platforms/83xx/pci.c
index 469cdacc5bd418657602b17cb0ab22b598e7930e..70e28fcdb38ff993d6e4ea494d817d275ebeac29 100644 (file)
--- a/arch/powerpc/platforms/83xx/pci.c
+++ b/arch/powerpc/platforms/83xx/pci.c
@@ -36,7 +36,16 @@
 
 int mpc83xx_pci2_busno;
 
-#ifdef CONFIG_PCI
+int mpc83xx_exclude_device(u_char bus, u_char devfn)
+{
+       if (bus == 0 && PCI_SLOT(devfn) == 0)
+               return PCIBIOS_DEVICE_NOT_FOUND;
+       if (mpc83xx_pci2_busno)
+               if (bus == (mpc83xx_pci2_busno) && PCI_SLOT(devfn) == 0)
+                       return PCIBIOS_DEVICE_NOT_FOUND;
+       return PCIBIOS_SUCCESSFUL;
+}
+
 int __init add_bridge(struct device_node *dev)
 {
        int len;
@@ -95,5 +104,3 @@ int __init add_bridge(struct device_node *dev)
 
        return 0;
 }
-
-#endif