Thread (7 messages) 7 messages, 2 authors, 2014-01-10

RE: [PATCH v6 1/4] powerpc/fsl: add E6500 PVR and SPRN_PWRMGTCR0 define

From: Dongsheng.Wang@freescale.com <hidden>
Date: 2013-12-30 02:37:12

Hi Scott,

Could you apply these patches?

[v6,1/4] powerpc/fsl: add E6500 PVR and SPRN_PWRMGTCR0 define, http://patch=
work.ozlabs.org/patch/302045/
[v6,2/4] powerpc/85xx: add hardware automatically enter altivec idle state,=
 http://patchwork.ozlabs.org/patch/302046/
[v6,3/4] powerpc/85xx: add hardware automatically enter pw20 state, http://=
patchwork.ozlabs.org/patch/302047/
[v6,4/4] powerpc/85xx: add sysfs for pw20 state and altivec idle, http://pa=
tchwork.ozlabs.org/patch/302048/

-Dongsheng
-----Original Message-----
From: Dongsheng Wang [mailto:dongsheng.wang@freescale.com]
Sent: Tuesday, December 17, 2013 4:17 PM
To: Wood Scott-B07421; Bhushan Bharat-R65777
Cc: linuxppc-dev@lists.ozlabs.org; Wang Dongsheng-B40534
Subject: [PATCH v6 1/4] powerpc/fsl: add E6500 PVR and SPRN_PWRMGTCR0 def=
ine
quoted hunk ↗ jump to hunk
=20
From: Wang Dongsheng <redacted>
=20
E6500 PVR and SPRN_PWRMGTCR0 will be used in subsequent pw20/altivec
idle patches.
=20
Signed-off-by: Wang Dongsheng <redacted>
---
*v3:
Add bit definitions for PWRMGTCR0.
=20
 arch/powerpc/include/asm/reg.h       | 2 ++
 arch/powerpc/include/asm/reg_booke.h | 9 +++++++++
 2 files changed, 11 insertions(+)
=20
diff --git a/arch/powerpc/include/asm/reg.h b/arch/powerpc/include/asm/re=
g.h
quoted hunk ↗ jump to hunk
index 64264bf..d4160ca 100644
--- a/arch/powerpc/include/asm/reg.h
+++ b/arch/powerpc/include/asm/reg.h
@@ -1053,6 +1053,8 @@
 #define PVR_8560	0x80200000
 #define PVR_VER_E500V1	0x8020
 #define PVR_VER_E500V2	0x8021
+#define PVR_VER_E6500	0x8040
+
 /*
  * For the 8xx processors, all of them report the same PVR family for
  * the PowerPC core. The various versions of these processors must be
diff --git a/arch/powerpc/include/asm/reg_booke.h
b/arch/powerpc/include/asm/reg_booke.h
index ed8f836..4a6457e 100644
--- a/arch/powerpc/include/asm/reg_booke.h
+++ b/arch/powerpc/include/asm/reg_booke.h
@@ -170,6 +170,7 @@
 #define SPRN_L2CSR1	0x3FA	/* L2 Data Cache Control and Status Register 1
*/
 #define SPRN_DCCR	0x3FA	/* Data Cache Cacheability Register */
 #define SPRN_ICCR	0x3FB	/* Instruction Cache Cacheability Register */
+#define SPRN_PWRMGTCR0	0x3FB	/* Power management control register 0 */
 #define SPRN_SVR	0x3FF	/* System Version Register */
=20
 /*
@@ -216,6 +217,14 @@
 #define	CCR1_DPC	0x00000100 /* Disable L1 I-Cache/D-Cache parity
checking */
 #define	CCR1_TCS	0x00000080 /* Timer Clock Select */
=20
+/* Bit definitions for PWRMGTCR0. */
+#define PWRMGTCR0_PW20_WAIT		(1 << 14) /* PW20 state enable bit */
+#define PWRMGTCR0_PW20_ENT_SHIFT	8
+#define PWRMGTCR0_PW20_ENT		0x3F00
+#define PWRMGTCR0_AV_IDLE_PD_EN		(1 << 22) /* Altivec idle enable */
+#define PWRMGTCR0_AV_IDLE_CNT_SHIFT	16
+#define PWRMGTCR0_AV_IDLE_CNT		0x3F0000
+
 /* Bit definitions for the MCSR. */
 #define MCSR_MCS	0x80000000 /* Machine Check Summary */
 #define MCSR_IB		0x40000000 /* Instruction PLB Error */
--
1.8.0
=20
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