From: Domen Puncer <domen.puncer@telargo.com>
To: linuxppc-embedded@ozlabs.org
Subject: [PATCH 6/7] lite5200b suspend: PIC
Date: Thu, 1 Mar 2007 08:57:16 +0100 [thread overview]
Message-ID: <20070301075716.GF17184@moe.telargo.com> (raw)
In-Reply-To: <20070301075323.GP4397@moe.telargo.com>
Save and restore MPC52xx PIC registers.
Signed-off-by: Domen Puncer <domen.puncer@telargo.com>
Index: grant.git/arch/powerpc/platforms/52xx/mpc52xx_pic.c
===================================================================
--- grant.git.orig/arch/powerpc/platforms/52xx/mpc52xx_pic.c
+++ grant.git/arch/powerpc/platforms/52xx/mpc52xx_pic.c
@@ -471,3 +471,45 @@ unsigned int mpc52xx_get_irq(void)
return irq_linear_revmap(mpc52xx_irqhost, irq);
}
+
+#ifdef CONFIG_PM
+/* save and restore registers for suspend to ram */
+static struct mpc52xx_intr saved_intr;
+void mpc52xx_pic_suspend(void)
+{
+ saved_intr.per_mask = in_be32(&intr->per_mask);
+ saved_intr.per_pri1 = in_be32(&intr->per_pri1);
+ saved_intr.per_pri2 = in_be32(&intr->per_pri2);
+ saved_intr.per_pri3 = in_be32(&intr->per_pri3);
+ saved_intr.ctrl = in_be32(&intr->ctrl);
+ saved_intr.main_mask = in_be32(&intr->main_mask);
+ saved_intr.main_pri1 = in_be32(&intr->main_pri1);
+ saved_intr.main_pri2 = in_be32(&intr->main_pri2);
+ saved_intr.reserved1 = in_be32(&intr->reserved1);
+ saved_intr.enc_status = in_be32(&intr->enc_status);
+ saved_intr.crit_status = in_be32(&intr->crit_status);
+ saved_intr.main_status = in_be32(&intr->main_status);
+ saved_intr.per_status = in_be32(&intr->per_status);
+ saved_intr.reserved2 = in_be32(&intr->reserved2);
+ saved_intr.per_error = in_be32(&intr->per_error);
+}
+
+void mpc52xx_pic_resume(void)
+{
+ out_be32(&intr->per_mask, saved_intr.per_mask);
+ out_be32(&intr->per_pri1, saved_intr.per_pri1);
+ out_be32(&intr->per_pri2, saved_intr.per_pri2);
+ out_be32(&intr->per_pri3, saved_intr.per_pri3);
+ out_be32(&intr->ctrl, saved_intr.ctrl);
+ out_be32(&intr->main_mask, saved_intr.main_mask);
+ out_be32(&intr->main_pri1, saved_intr.main_pri1);
+ out_be32(&intr->main_pri2, saved_intr.main_pri2);
+ out_be32(&intr->reserved1, saved_intr.reserved1);
+ out_be32(&intr->enc_status, saved_intr.enc_status);
+ out_be32(&intr->crit_status, saved_intr.crit_status);
+ out_be32(&intr->main_status, saved_intr.main_status);
+ out_be32(&intr->per_status, saved_intr.per_status);
+ out_be32(&intr->reserved2, saved_intr.reserved2);
+ out_be32(&intr->per_error, saved_intr.per_error);
+}
+#endif
next prev parent reply other threads:[~2007-03-01 7:57 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-03-01 7:53 [PATCH 0/7] MPC5200 and Lite5200b low power modes Domen Puncer
2007-03-01 7:54 ` [PATCH 1/7] mpc52xx suspend: bestcomm Domen Puncer
2007-03-01 7:55 ` [PATCH 2/7] mpc52xx suspend: UART Domen Puncer
2007-03-01 7:55 ` [PATCH 3/7] mpc52xx suspend: FEC (ethernet) Domen Puncer
2007-03-01 7:56 ` [PATCH 4/7] mpc52xx suspend: USB Domen Puncer
2007-03-01 7:56 ` [PATCH 5/7] mpc52xx suspend: deep-sleep Domen Puncer
2007-03-01 7:57 ` Domen Puncer [this message]
2007-03-01 7:59 ` [u-boot patch] support lite5200b wakeup in u-boot Domen Puncer
2007-03-01 8:49 ` Stefan Roese
2007-03-01 8:00 ` [PATCH 7/7] lite5200b suspend: low-power mode Domen Puncer
2007-03-02 18:57 ` Scott Wood
2007-03-03 7:15 ` Domen Puncer
2007-03-01 14:25 ` [PATCH 0/7] MPC5200 and Lite5200b low power modes Grant Likely
2007-03-01 14:51 ` New Bestcomm/FEC patches (was: Re: [PATCH 0/7] MPC5200 and Lite5200b low power modes) Bartlomiej Sieka
2007-03-02 7:31 ` Domen Puncer
2007-03-02 21:35 ` [PATCH 0/7] MPC5200 and Lite5200b low power modes Sylvain Munaut
2007-03-03 7:33 ` Domen Puncer
2007-03-03 19:58 ` Endianness versus too many byte swaps?? Charles Krinke
2007-03-05 10:53 ` [PATCH 0/7] MPC5200 and Lite5200b low power modes Domen Puncer
2007-03-05 10:58 ` Sylvain Munaut
2007-03-05 20:21 ` Domen Puncer
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