sh: move the hp6xx pm code

Move the not-so-generic pm code from arch/sh/kernel/pm.c to the
platform directory together with the rest of the hp6xx pm code.

This is done to let non-hp6xx platforms enable CONFIG_PM.

Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>

5 files changed, 77 insertions, 108 deletions

diff --git a/arch/sh/boards/mach-hp6xx/pm.c b/arch/sh/boards/mach-hp6xx/pm.c
index 64af1f2eef05..d936c1af7620 100644
--- a/arch/sh/boards/mach-hp6xx/pm.c
+++ b/arch/sh/boards/mach-hp6xx/pm.c
@@ -10,15 +10,91 @@
 #include <linux/suspend.h>
 #include <linux/errno.h>
 #include <linux/time.h>
+#include <linux/delay.h>
+#include <linux/gfp.h>
 #include <asm/io.h>
 #include <asm/hd64461.h>
 #include <mach/hp6xx.h>
 #include <cpu/dac.h>
-#include <asm/pm.h>
+#include <asm/freq.h>
+#include <asm/watchdog.h>
+
+#define INTR_OFFSET     0x600
 
 #define STBCR           0xffffff82
 #define STBCR2          0xffffff88
 
+#define STBCR_STBY      0x80
+#define STBCR_MSTP2     0x04
+
+#define MCR             0xffffff68
+#define RTCNT           0xffffff70
+
+#define MCR_RMODE       2
+#define MCR_RFSH        4
+
+extern u8 wakeup_start;
+extern u8 wakeup_end;
+
+static void pm_enter(void)
+{
+        u8 stbcr, csr;
+        u16 frqcr, mcr;
+        u32 vbr_new, vbr_old;
+
+        set_bl_bit();
+
+        /* set wdt */
+        csr = sh_wdt_read_csr();
+        csr &= ~WTCSR_TME;
+        csr |= WTCSR_CKS_4096;
+        sh_wdt_write_csr(csr);
+        csr = sh_wdt_read_csr();
+        sh_wdt_write_cnt(0);
+
+        /* disable PLL1 */
+        frqcr = ctrl_inw(FRQCR);
+        frqcr &= ~(FRQCR_PLLEN | FRQCR_PSTBY);
+        ctrl_outw(frqcr, FRQCR);
+
+        /* enable standby */
+        stbcr = ctrl_inb(STBCR);
+        ctrl_outb(stbcr | STBCR_STBY | STBCR_MSTP2, STBCR);
+
+        /* set self-refresh */
+        mcr = ctrl_inw(MCR);
+        ctrl_outw(mcr & ~MCR_RFSH, MCR);
+
+        /* set interrupt handler */
+        asm volatile("stc vbr, %0" : "=r" (vbr_old));
+        vbr_new = get_zeroed_page(GFP_ATOMIC);
+        udelay(50);
+        memcpy((void*)(vbr_new + INTR_OFFSET),
+               &wakeup_start, &wakeup_end - &wakeup_start);
+        asm volatile("ldc %0, vbr" : : "r" (vbr_new));
+
+        ctrl_outw(0, RTCNT);
+        ctrl_outw(mcr | MCR_RFSH | MCR_RMODE, MCR);
+
+        cpu_sleep();
+
+        asm volatile("ldc %0, vbr" : : "r" (vbr_old));
+
+        free_page(vbr_new);
+
+        /* enable PLL1 */
+        frqcr = ctrl_inw(FRQCR);
+        frqcr |= FRQCR_PSTBY;
+        ctrl_outw(frqcr, FRQCR);
+        udelay(50);
+        frqcr |= FRQCR_PLLEN;
+        ctrl_outw(frqcr, FRQCR);
+
+        ctrl_outb(stbcr, STBCR);
+
+        clear_bl_bit();
+}
+
 static int hp6x0_pm_enter(suspend_state_t state)
 {
         u8 stbcr, stbcr2;
diff --git a/arch/sh/include/asm/pm.h b/arch/sh/include/asm/pm.h
deleted file mode 100644
index 56fdbd6b1c94..000000000000
--- a/arch/sh/include/asm/pm.h
+++ /dev/null
@@ -1,17 +0,0 @@
-/*
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * Copyright 2006 (c) Andriy Skulysh <askulysh@gmail.com>
- *
- */
-#ifndef __ASM_SH_PM_H
-#define __ASM_SH_PM_H
-
-extern u8 wakeup_start;
-extern u8 wakeup_end;
-
-void pm_enter(void);
-
-#endif
diff --git a/arch/sh/kernel/Makefile_32 b/arch/sh/kernel/Makefile_32
index d9df9e567946..10a34c3ae647 100644
--- a/arch/sh/kernel/Makefile_32
+++ b/arch/sh/kernel/Makefile_32
@@ -25,7 +25,6 @@ obj-$(CONFIG_MODULES)		+= sh_ksyms_32.o module.o
 obj-$(CONFIG_EARLY_PRINTK)      += early_printk.o
 obj-$(CONFIG_KEXEC)             += machine_kexec.o relocate_kernel.o
 obj-$(CONFIG_CRASH_DUMP)        += crash_dump.o
-obj-$(CONFIG_PM)                += pm.o
 obj-$(CONFIG_STACKTRACE)        += stacktrace.o
 obj-$(CONFIG_IO_TRAPPED)        += io_trapped.o
 obj-$(CONFIG_KPROBES)           += kprobes.o
diff --git a/arch/sh/kernel/Makefile_64 b/arch/sh/kernel/Makefile_64
index 4304b2593c2c..ae4afc090062 100644
--- a/arch/sh/kernel/Makefile_64
+++ b/arch/sh/kernel/Makefile_64
@@ -15,7 +15,6 @@ obj-$(CONFIG_MODULES)		+= sh_ksyms_64.o module.o
 obj-$(CONFIG_EARLY_PRINTK)      += early_printk.o
 obj-$(CONFIG_KEXEC)             += machine_kexec.o relocate_kernel.o
 obj-$(CONFIG_CRASH_DUMP)        += crash_dump.o
-obj-$(CONFIG_PM)                += pm.o
 obj-$(CONFIG_STACKTRACE)        += stacktrace.o
 obj-$(CONFIG_IO_TRAPPED)        += io_trapped.o
 obj-$(CONFIG_GENERIC_GPIO)      += gpio.o
diff --git a/arch/sh/kernel/pm.c b/arch/sh/kernel/pm.c
deleted file mode 100644
index 10ab62c9aede..000000000000
--- a/arch/sh/kernel/pm.c
+++ /dev/null
@@ -1,88 +0,0 @@
-/*
- * Generic Power Management Routine
- *
- * Copyright (c) 2006 Andriy Skulysh <askulsyh@gmail.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License.
- */
-#include <linux/suspend.h>
-#include <linux/delay.h>
-#include <linux/gfp.h>
-#include <asm/freq.h>
-#include <asm/io.h>
-#include <asm/watchdog.h>
-#include <asm/pm.h>
-
-#define INTR_OFFSET     0x600
-
-#define STBCR           0xffffff82
-#define STBCR2          0xffffff88
-
-#define STBCR_STBY      0x80
-#define STBCR_MSTP2     0x04
-
-#define MCR             0xffffff68
-#define RTCNT           0xffffff70
-
-#define MCR_RMODE       2
-#define MCR_RFSH        4
-
-void pm_enter(void)
-{
-        u8 stbcr, csr;
-        u16 frqcr, mcr;
-        u32 vbr_new, vbr_old;
-
-        set_bl_bit();
-
-        /* set wdt */
-        csr = sh_wdt_read_csr();
-        csr &= ~WTCSR_TME;
-        csr |= WTCSR_CKS_4096;
-        sh_wdt_write_csr(csr);
-        csr = sh_wdt_read_csr();
-        sh_wdt_write_cnt(0);
-
-        /* disable PLL1 */
-        frqcr = ctrl_inw(FRQCR);
-        frqcr &= ~(FRQCR_PLLEN | FRQCR_PSTBY);
-        ctrl_outw(frqcr, FRQCR);
-
-        /* enable standby */
-        stbcr = ctrl_inb(STBCR);
-        ctrl_outb(stbcr | STBCR_STBY | STBCR_MSTP2, STBCR);
-
-        /* set self-refresh */
-        mcr = ctrl_inw(MCR);
-        ctrl_outw(mcr & ~MCR_RFSH, MCR);
-
-        /* set interrupt handler */
-        asm volatile("stc vbr, %0" : "=r" (vbr_old));
-        vbr_new = get_zeroed_page(GFP_ATOMIC);
-        udelay(50);
-        memcpy((void*)(vbr_new + INTR_OFFSET),
-               &wakeup_start, &wakeup_end - &wakeup_start);
-        asm volatile("ldc %0, vbr" : : "r" (vbr_new));
-
-        ctrl_outw(0, RTCNT);
-        ctrl_outw(mcr | MCR_RFSH | MCR_RMODE, MCR);
-
-        cpu_sleep();
-
-        asm volatile("ldc %0, vbr" : : "r" (vbr_old));
-
-        free_page(vbr_new);
-
-        /* enable PLL1 */
-        frqcr = ctrl_inw(FRQCR);
-        frqcr |= FRQCR_PSTBY;
-        ctrl_outw(frqcr, FRQCR);
-        udelay(50);
-        frqcr |= FRQCR_PLLEN;
-        ctrl_outw(frqcr, FRQCR);
-
-        ctrl_outb(stbcr, STBCR);
-
-        clear_bl_bit();
-}