From f620be99e9355c41693f0c748ba9260f69278ee0 Mon Sep 17 00:00:00 2001 From: Olof Johansson Date: Sun, 4 Feb 2007 16:36:52 -0600 Subject: [PATCH] [POWERPC] pasemi: Implement restart Implement reset on platforms/pasemi. Default is just to reset the cpu using the SDC registers. Signed-off-by: Olof Johansson Signed-off-by: Paul Mackerras --- arch/powerpc/platforms/pasemi/setup.c | 24 +++++++++--------------- 1 file changed, 9 insertions(+), 15 deletions(-) diff --git a/arch/powerpc/platforms/pasemi/setup.c b/arch/powerpc/platforms/pasemi/setup.c index f69f5e76618f..cabf7017c05e 100644 --- a/arch/powerpc/platforms/pasemi/setup.c +++ b/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(); } @@ -211,8 +207,6 @@ 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, -- 2.30.2