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authorBenoit Cousson <b-cousson@ti.com>2010-05-20 14:31:08 -0400
committerPaul Walmsley <paul@pwsan.com>2010-05-20 14:31:08 -0400
commitd9e6625c70ff007ae246c9d62f8cdec8d08b2457 (patch)
treef10388b8693520d4f42420605657cac148ca4eb5 /arch
parent53934aa74d49daa7c31c38028fd05c99475489d6 (diff)
OMAP: CM: Move MAX_MODULE_READY_TIME to cm.h
The maximum timeout to wait for the PRCM to request that a module exit idle or reach functionnal state is common to OMAP2/3/4 SoCs, so, move it to the chip family-common cm.h include file. Reduce the timeout from 20 ms to 2 ms. Signed-off-by: Benoit Cousson <b-cousson@ti.com> Signed-off-by: Paul Walmsley <paul@pwsan.com>
Diffstat (limited to 'arch')
-rw-r--r--arch/arm/mach-omap2/cm.c3
-rw-r--r--arch/arm/mach-omap2/cm.h9
-rw-r--r--arch/arm/mach-omap2/cm4xxx.c18
3 files changed, 10 insertions, 20 deletions
diff --git a/arch/arm/mach-omap2/cm.c b/arch/arm/mach-omap2/cm.c
index 58e4a1c557d8..2d83565d2be2 100644
--- a/arch/arm/mach-omap2/cm.c
+++ b/arch/arm/mach-omap2/cm.c
@@ -27,9 +27,6 @@
27#include "cm-regbits-24xx.h" 27#include "cm-regbits-24xx.h"
28#include "cm-regbits-34xx.h" 28#include "cm-regbits-34xx.h"
29 29
30/* MAX_MODULE_READY_TIME: max milliseconds for module to leave idle */
31#define MAX_MODULE_READY_TIME 20000
32
33static const u8 cm_idlest_offs[] = { 30static const u8 cm_idlest_offs[] = {
34 CM_IDLEST1, CM_IDLEST2, OMAP2430_CM_IDLEST3 31 CM_IDLEST1, CM_IDLEST2, OMAP2430_CM_IDLEST3
35}; 32};
diff --git a/arch/arm/mach-omap2/cm.h b/arch/arm/mach-omap2/cm.h
index b6ab183212df..bbc69df3bf3d 100644
--- a/arch/arm/mach-omap2/cm.h
+++ b/arch/arm/mach-omap2/cm.h
@@ -144,4 +144,13 @@ static inline u32 cm_clear_mod_reg_bits(u32 bits, s16 module, s16 idx)
144#define OMAP24XX_CM_IDLEST_VAL 0 144#define OMAP24XX_CM_IDLEST_VAL 0
145#define OMAP34XX_CM_IDLEST_VAL 1 145#define OMAP34XX_CM_IDLEST_VAL 1
146 146
147/*
148 * MAX_MODULE_READY_TIME: max duration in microseconds to wait for the
149 * PRCM to request that a module exit the inactive state in the case of
150 * OMAP2 & 3.
151 * In the case of OMAP4 this is the max duration in microseconds for the
152 * module to reach the functionnal state from an inactive state.
153 */
154#define MAX_MODULE_READY_TIME 2000
155
147#endif 156#endif
diff --git a/arch/arm/mach-omap2/cm4xxx.c b/arch/arm/mach-omap2/cm4xxx.c
index 4af76bb1003a..af32a457a46b 100644
--- a/arch/arm/mach-omap2/cm4xxx.c
+++ b/arch/arm/mach-omap2/cm4xxx.c
@@ -22,23 +22,7 @@
22#include <asm/atomic.h> 22#include <asm/atomic.h>
23 23
24#include "cm.h" 24#include "cm.h"
25 25#include "cm-regbits-44xx.h"
26/* XXX move this to cm.h */
27/* MAX_MODULE_READY_TIME: max milliseconds for module to leave idle */
28#define MAX_MODULE_READY_TIME 20000
29
30/*
31 * OMAP4_PRCM_CM_CLKCTRL_IDLEST_MASK: isolates the IDLEST field in the
32 * CM_CLKCTRL register.
33 */
34#define OMAP4_PRCM_CM_CLKCTRL_IDLEST_MASK (0x2 << 16)
35
36/*
37 * OMAP4 prcm_mod u32 fields contain packed data: the CM ID in bit 16 and
38 * the PRCM module offset address (from the CM module base) in bits 15-0.
39 */
40#define OMAP4_PRCM_MOD_CM_ID_SHIFT 16
41#define OMAP4_PRCM_MOD_OFFS_MASK 0xffff
42 26
43/** 27/**
44 * omap4_cm_wait_idlest_ready - wait for a module to leave idle or standby 28 * omap4_cm_wait_idlest_ready - wait for a module to leave idle or standby