From: Sylvain Munaut <tnt@246tNt•com>
To: Sascha Hauer <s.hauer@pengutronix•de>
Cc: linuxppc-dev@ozlabs•org
Subject: Re: [PATCH] add restart function for mpc52xx
Date: Thu, 11 Jan 2007 14:15:47 +0100 [thread overview]
Message-ID: <45A63883.2070800@246tNt.com> (raw)
In-Reply-To: <20070111122855.GF11226@localhost.localdomain>
Sascha Hauer wrote:
> This patch adds restart support for mpx52xx systems.
>
> Signed-off-by: Sascha Hauer <s.hauer@pengutronix•de>
>
Thanks, I'll test and include this to my 2.6.21 patch set.
> ---
> arch/powerpc/platforms/52xx/lite5200.c | 1 +
> arch/powerpc/platforms/52xx/mpc52xx_common.c | 15 +++++++++++++++
> include/asm-powerpc/mpc52xx.h | 2 ++
> 3 files changed, 18 insertions(+)
>
> Index: linux-2.6/arch/powerpc/platforms/52xx/lite5200.c
> ===================================================================
> --- linux-2.6.orig/arch/powerpc/platforms/52xx/lite5200.c
> +++ linux-2.6/arch/powerpc/platforms/52xx/lite5200.c
> @@ -153,6 +153,7 @@ define_machine(lite52xx) {
> .name = "lite52xx",
> .probe = lite52xx_probe,
> .setup_arch = lite52xx_setup_arch,
> + .restart = mpc52xx_restart,
> .init = mpc52xx_declare_of_platform_devices,
> .init_IRQ = mpc52xx_init_irq,
> .get_irq = mpc52xx_get_irq,
> Index: linux-2.6/arch/powerpc/platforms/52xx/mpc52xx_common.c
> ===================================================================
> --- linux-2.6.orig/arch/powerpc/platforms/52xx/mpc52xx_common.c
> +++ linux-2.6/arch/powerpc/platforms/52xx/mpc52xx_common.c
> @@ -75,6 +75,21 @@ mpc52xx_find_ipb_freq(struct device_node
> }
> EXPORT_SYMBOL(mpc52xx_find_ipb_freq);
>
> +void
> +mpc52xx_restart(char *cmd)
> +{
> + struct mpc52xx_gpt *gpt = mpc52xx_find_and_map("mpc52xx-gpt");
>
missing __iomem here, will most trigger a sparse warning.
It's ok I'll fix that up when applying to my internal tree and before fw
this upstream.
> +
> + local_irq_disable();
> +
> + /* Turn on the watchdog and wait for it to expire. It effectively
> + does a reset */
> + out_be32(&gpt->mode, 0x00000000);
> + out_be32(&gpt->count, 0x0000000ff);
> + out_be32(&gpt->mode, 0x00009004);
> +
> + while (1);
> +}
>
> void __init
> mpc52xx_setup_cpu(void)
> Index: linux-2.6/include/asm-powerpc/mpc52xx.h
> ===================================================================
> --- linux-2.6.orig/include/asm-powerpc/mpc52xx.h
> +++ linux-2.6/include/asm-powerpc/mpc52xx.h
> @@ -249,6 +249,8 @@ extern void mpc52xx_declare_of_platform_
> extern void mpc52xx_init_irq(void);
> extern unsigned int mpc52xx_get_irq(void);
>
> +extern void mpc52xx_restart(char *cmd);
> +
> #endif /* __ASSEMBLY__ */
>
> #endif /* __ASM_POWERPC_MPC52xx_H__ */
>
>
>
next prev parent reply other threads:[~2007-01-11 13:18 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-01-11 12:28 [PATCH] add restart function for mpc52xx Sascha Hauer
2007-01-11 13:15 ` Sylvain Munaut [this message]
2007-01-11 13:59 ` Kumar Gala
2007-01-11 15:21 ` Sascha Hauer
2007-01-11 15:50 ` Grant Likely
2007-01-11 16:20 ` Grant Likely
2007-01-11 16:57 ` Segher Boessenkool
2007-01-12 3:37 ` Paul Mackerras
2007-01-12 8:46 ` Sascha Hauer
2007-01-12 9:00 ` Sylvain Munaut
2007-01-12 10:42 ` Sascha Hauer
2007-01-12 10:43 ` Sylvain Munaut
2007-01-12 16:05 ` Kumar Gala
2007-01-12 12:27 ` Segher Boessenkool
2007-01-28 18:09 ` Robert Schwebel
2007-01-28 21:48 ` Benjamin Herrenschmidt
2007-01-28 23:56 ` David Gibson
2007-01-12 12:23 ` Segher Boessenkool
2007-01-12 12:39 ` Sylvain Munaut
2007-01-12 12:19 ` Segher Boessenkool
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