From: Olof Johansson <olof@lixom•net>
To: Paul Mackerras <paulus@samba•org>
Cc: linuxppc-dev@ozlabs•org
Subject: [PATCH] [v2] [4/8] pasemi: Implement restart
Date: Sun, 04 Feb 2007 16:36:52 -0600 [thread overview]
Message-ID: <20070204223752.761620000@lixom.net> (raw)
In-Reply-To: 20070204223648.767950000@lixom.net
Implement reset on platforms/pasemi. Default is just to reset the
cpu using the SDC registers.
Signed-off-by: Olof Johansson <olof@lixom•net>
Index: merge/arch/powerpc/platforms/pasemi/setup.c
===================================================================
--- merge.orig/arch/powerpc/platforms/pasemi/setup.c
+++ merge/arch/powerpc/platforms/pasemi/setup.c
@@ -38,21 +38,13 @@
#include "pasemi.h"
-static void pas_restart(char *cmd)
-{
- printk("restart unimplemented, looping...\n");
- for (;;) ;
-}
-
-static void pas_power_off(void)
-{
- printk("power off unimplemented, looping...\n");
- for (;;) ;
-}
+static void __iomem *reset_reg;
-static void pas_halt(void)
+static void pas_restart(char *cmd)
{
- pas_power_off();
+ printk("Restarting...\n");
+ while (1)
+ out_le32(reset_reg, 0x6000000);
}
#ifdef CONFIG_SMP
@@ -82,6 +74,10 @@ void __init pas_setup_arch(void)
conswitchp = &dummy_con;
#endif
+ /* Remap SDC register for doing reset */
+ /* XXXOJN This should maybe come out of the device tree */
+ reset_reg = ioremap(0xfc101100, 4);
+
pasemi_idle_init();
}
@@ -210,8 +206,6 @@ define_machine(pas) {
.init_IRQ = pas_init_IRQ,
.get_irq = mpic_get_irq,
.restart = pas_restart,
- .power_off = pas_power_off,
- .halt = pas_halt,
.get_boot_time = pas_get_boot_time,
.calibrate_decr = generic_calibrate_decr,
.check_legacy_ioport = pas_check_legacy_ioport,
--
next prev parent reply other threads:[~2007-02-04 22:41 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-02-04 22:36 [PATCH] [v2] [0/8] PA Semi patches Olof Johansson
2007-02-04 22:36 ` [PATCH] [v2] [1/8] pasemi: UART udbg support Olof Johansson
2007-02-04 22:36 ` [PATCH] [v2] [2/8] pasemi: Machine check handler Olof Johansson
2007-02-04 22:36 ` [PATCH] [v2] [3/8] pasemi: Idle loops Olof Johansson
2007-02-06 12:56 ` Arnd Bergmann
2007-02-06 15:09 ` Olof Johansson
2007-02-04 22:36 ` Olof Johansson [this message]
2007-02-04 22:36 ` [PATCH] [v2] [5/8] pasemi: SMP timebase sync Olof Johansson
2007-02-04 22:36 ` [PATCH] [v2] [6/8] pasemi: Configure DMA controller interrupts Olof Johansson
2007-02-04 22:36 ` [PATCH] [v2] [7/8] pasemi: iommu support Olof Johansson
2007-02-04 22:36 ` [PATCH] [v2] [8/8] pasemi: defconfig Olof Johansson
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