MIPS: Alchemy: get rid of common/reset.c

Implement reset / poweroff in the board code instead.  The peripheral reset
code is gone too since YAMON which all in-tree boards use does the same
work when it boots.

Signed-off-by: Manuel Lauss <manuel.lauss@gmail.com>
Signed-off-by: Yoichi Yuasa <yuasa@linux-mips.org>
Cc: Linux-MIPS <linux-mips@linux-mips.org>
Patchwork: http://patchwork.linux-mips.org/patch/783/
Patchwork: http://patchwork.linux-mips.org/patch/882/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

3 files changed, 70 insertions, 27 deletions

diff --git a/arch/mips/alchemy/devboards/db1200/setup.c b/arch/mips/alchemy/devboards/db1200/setup.c
index a3458c0e4051..379536e3abd1 100644
--- a/arch/mips/alchemy/devboards/db1200/setup.c
+++ b/arch/mips/alchemy/devboards/db1200/setup.c
@@ -9,30 +9,15 @@
 #include <linux/interrupt.h>
 #include <linux/io.h>
 #include <linux/kernel.h>
-#include <linux/pm.h>
 #include <asm/mach-au1x00/au1000.h>
 #include <asm/mach-db1x00/bcsr.h>
 #include <asm/mach-db1x00/db1200.h>
-#include <asm/processor.h>
-#include <asm/reboot.h>
 
 const char *get_system_type(void)
 {
         return "Alchemy Db1200";
 }
 
-static void board_power_off(void)
-{
-        bcsr_write(BCSR_RESETS, 0);
-        bcsr_write(BCSR_SYSTEM, BCSR_SYSTEM_PWROFF | BCSR_SYSTEM_RESET);
-}
-
-void board_reset(void)
-{
-        bcsr_write(BCSR_RESETS, 0);
-        bcsr_write(BCSR_SYSTEM, 0);
-}
-
 void __init board_setup(void)
 {
         unsigned long freq0, clksrc, div, pfc;
@@ -73,10 +58,6 @@ void __init board_setup(void)
         clksrc = SYS_CS_MUX_FQ0 << SYS_CS_ME0_BIT;
         __raw_writel(clksrc, (void __iomem *)SYS_CLKSRC);
         wmb();
-
-        pm_power_off = board_power_off;
-        _machine_halt = board_power_off;
-        _machine_restart = (void(*)(char *))board_reset;
 }
 
 /* use the hexleds to count the number of times the cpu has entered
diff --git a/arch/mips/alchemy/devboards/db1x00/board_setup.c b/arch/mips/alchemy/devboards/db1x00/board_setup.c
index b490efff4dca..56c541d0c55a 100644
--- a/arch/mips/alchemy/devboards/db1x00/board_setup.c
+++ b/arch/mips/alchemy/devboards/db1x00/board_setup.c
@@ -30,11 +30,13 @@
 #include <linux/gpio.h>
 #include <linux/init.h>
 #include <linux/interrupt.h>
+#include <linux/pm.h>
 
 #include <asm/mach-au1x00/au1000.h>
 #include <asm/mach-au1x00/au1xxx_eth.h>
 #include <asm/mach-db1x00/db1x00.h>
 #include <asm/mach-db1x00/bcsr.h>
+#include <asm/reboot.h>
 
 #include <prom.h>
 
@@ -43,6 +45,18 @@ char irq_tab_alchemy[][5] __initdata = {
         [12] = { -1, AU1500_PCI_INTA, 0xff, 0xff, 0xff }, /* IDSEL 12 - HPT371   */
         [13] = { -1, AU1500_PCI_INTA, AU1500_PCI_INTB, AU1500_PCI_INTC, AU1500_PCI_INTD }, /* IDSEL 13 - PCI slot */
 };
+
+static void bosporus_power_off(void)
+{
+        printk(KERN_INFO "It's now safe to turn off power\n");
+        while (1)
+                asm volatile (".set mips3 ; wait ; .set mips0");
+}
+
+const char *get_system_type(void)
+{
+        return "Alchemy Bosporus Gateway Reference";
+}
 #endif
 
 /*
@@ -73,6 +87,16 @@ char irq_tab_alchemy[][5] __initdata = {
         [12] = { -1, 0xff, 0xff, AU1500_PCI_INTC, 0xff }, /* IDSEL 12 - PNX1300 */
         [13] = { -1, AU1500_PCI_INTA, AU1500_PCI_INTB, 0xff, 0xff }, /* IDSEL 13 - miniPCI */
 };
+
+static void mirage_power_off(void)
+{
+        alchemy_gpio_direction_output(210, 1);
+}
+
+const char *get_system_type(void)
+{
+        return "Alchemy Mirage";
+}
 #endif
 
 #ifdef CONFIG_MIPS_DB1550
@@ -83,19 +107,19 @@ char irq_tab_alchemy[][5] __initdata = {
 };
 #endif
 
-const char *get_system_type(void)
+#if defined(CONFIG_MIPS_BOSPORUS) || defined(CONFIG_MIPS_MIRAGE)
+static void mips_softreset(void)
 {
-#ifdef CONFIG_MIPS_BOSPORUS
-        return "Alchemy Bosporus Gateway Reference";
-#else
-        return "Alchemy Db1x00";
-#endif
+        asm volatile ("jr\t%0" : : "r"(0xbfc00000));
 }
 
-void board_reset(void)
+#else
+
+const char *get_system_type(void)
 {
-        bcsr_write(BCSR_SYSTEM, 0);
+        return "Alchemy Db1x00";
 }
+#endif
 
 void __init board_setup(void)
 {
@@ -196,8 +220,17 @@ void __init board_setup(void)
          * be part of the audio driver.
          */
         alchemy_gpio_direction_output(209, 1);
+
+        pm_power_off = mirage_power_off;
+        _machine_halt = mirage_power_off;
+        _machine_restart = (void(*)(char *))mips_softreset;
 #endif
 
+#ifdef CONFIG_MIPS_BOSPORUS
+        pm_power_off = bosporus_power_off;
+        _machine_halt = bosporus_power_off;
+        _machine_restart = (void(*)(char *))mips_softreset;
+#endif
         au_sync();
 }
 
diff --git a/arch/mips/alchemy/devboards/platform.c b/arch/mips/alchemy/devboards/platform.c
index 7f2bcee7ac34..febf4e042343 100644
--- a/arch/mips/alchemy/devboards/platform.c
+++ b/arch/mips/alchemy/devboards/platform.c
@@ -8,6 +8,35 @@
 #include <linux/mtd/physmap.h>
 #include <linux/slab.h>
 #include <linux/platform_device.h>
+#include <linux/pm.h>
+
+#include <asm/reboot.h>
+#include <asm/mach-db1x00/bcsr.h>
+
+static void db1x_power_off(void)
+{
+        bcsr_write(BCSR_RESETS, 0);
+        bcsr_write(BCSR_SYSTEM, BCSR_SYSTEM_PWROFF | BCSR_SYSTEM_RESET);
+}
+
+static void db1x_reset(char *c)
+{
+        bcsr_write(BCSR_RESETS, 0);
+        bcsr_write(BCSR_SYSTEM, 0);
+}
+
+static int __init db1x_poweroff_setup(void)
+{
+        if (!pm_power_off)
+                pm_power_off = db1x_power_off;
+        if (!_machine_halt)
+                _machine_halt = db1x_power_off;
+        if (!_machine_restart)
+                _machine_restart = db1x_reset;
+
+        return 0;
+}
+late_initcall(db1x_poweroff_setup);
 
 /* register a pcmcia socket */
 int __init db1x_register_pcmcia_socket(unsigned long pseudo_attr_start,