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authorRussell King <rmk+kernel@arm.linux.org.uk>2010-01-16 18:08:47 +0000
committerRussell King <rmk+kernel@arm.linux.org.uk>2010-05-02 09:35:30 +0100
commit4de2edbd15ff70c77e1d018611d06f7801fc2b72 (patch)
tree576899cd3a6492bb01d8326851ee63e1ea58fc0a /arch/arm
parent643761ac43dfe4bea1195e966fc65a9403cdcb9f (diff)
downloadop-kernel-dev-4de2edbd15ff70c77e1d018611d06f7801fc2b72.zip
op-kernel-dev-4de2edbd15ff70c77e1d018611d06f7801fc2b72.tar.gz
ARM: ICST: provide definitions for max/min VCO frequencies
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm')
-rw-r--r--arch/arm/common/icst307.c2
-rw-r--r--arch/arm/common/icst525.c2
-rw-r--r--arch/arm/include/asm/hardware/icst307.h7
-rw-r--r--arch/arm/include/asm/hardware/icst525.h8
-rw-r--r--arch/arm/mach-integrator/cpu.c4
-rw-r--r--arch/arm/mach-integrator/impd1.c2
-rw-r--r--arch/arm/mach-integrator/integrator_cp.c2
-rw-r--r--arch/arm/mach-realview/core.c2
-rw-r--r--arch/arm/mach-versatile/core.c2
9 files changed, 23 insertions, 8 deletions
diff --git a/arch/arm/common/icst307.c b/arch/arm/common/icst307.c
index f78f5b5..f6063c9 100644
--- a/arch/arm/common/icst307.c
+++ b/arch/arm/common/icst307.c
@@ -53,7 +53,7 @@ icst307_khz_to_vco(const struct icst_params *p, unsigned long freq)
/*
* f must be between 6MHz and 200MHz (3.3 or 5V)
*/
- if (f > 6000 && f <= p->vco_max)
+ if (f > ICST307_VCO_MIN && f <= p->vco_max)
break;
} while (i < ARRAY_SIZE(idx2s));
diff --git a/arch/arm/common/icst525.c b/arch/arm/common/icst525.c
index eadf983..34dc2e1 100644
--- a/arch/arm/common/icst525.c
+++ b/arch/arm/common/icst525.c
@@ -51,7 +51,7 @@ icst525_khz_to_vco(const struct icst_params *p, unsigned long freq)
* f must be between 10MHz and
* 320MHz (5V) or 200MHz (3V)
*/
- if (f > 10000 && f <= p->vco_max)
+ if (f > ICST525_VCO_MIN && f <= p->vco_max)
break;
} while (i < ARRAY_SIZE(idx2s));
diff --git a/arch/arm/include/asm/hardware/icst307.h b/arch/arm/include/asm/hardware/icst307.h
index 8d0820a..0c4e37e 100644
--- a/arch/arm/include/asm/hardware/icst307.h
+++ b/arch/arm/include/asm/hardware/icst307.h
@@ -21,4 +21,11 @@
unsigned long icst307_khz(const struct icst_params *p, struct icst_vco vco);
struct icst_vco icst307_khz_to_vco(const struct icst_params *p, unsigned long freq);
+/*
+ * ICST307 VCO frequency must be between 6MHz and 200MHz (3.3 or 5V).
+ * This frequency is pre-output divider.
+ */
+#define ICST307_VCO_MIN 6000
+#define ICST307_VCO_MAX 200000
+
#endif
diff --git a/arch/arm/include/asm/hardware/icst525.h b/arch/arm/include/asm/hardware/icst525.h
index 42a274e..3b72c13 100644
--- a/arch/arm/include/asm/hardware/icst525.h
+++ b/arch/arm/include/asm/hardware/icst525.h
@@ -19,4 +19,12 @@
unsigned long icst525_khz(const struct icst_params *p, struct icst_vco vco);
struct icst_vco icst525_khz_to_vco(const struct icst_params *p, unsigned long freq);
+/*
+ * ICST525 VCO frequency must be between 10MHz and 200MHz (3V) or 320MHz (5V).
+ * This frequency is pre-output divider.
+ */
+#define ICST525_VCO_MIN 10000
+#define ICST525_VCO_MAX_3V 200000
+#define ICST525_VCO_MAX_5V 320000
+
#endif
diff --git a/arch/arm/mach-integrator/cpu.c b/arch/arm/mach-integrator/cpu.c
index c4e5deb..1671b4a 100644
--- a/arch/arm/mach-integrator/cpu.c
+++ b/arch/arm/mach-integrator/cpu.c
@@ -33,7 +33,7 @@ static struct cpufreq_driver integrator_driver;
static const struct icst_params lclk_params = {
.ref = 24000,
- .vco_max = 320000,
+ .vco_max = ICST525_VCO_MAX_5V,
.vd_min = 8,
.vd_max = 132,
.rd_min = 24,
@@ -42,7 +42,7 @@ static const struct icst_params lclk_params = {
static const struct icst_params cclk_params = {
.ref = 24000,
- .vco_max = 320000,
+ .vco_max = ICST525_VCO_MAX_5V,
.vd_min = 12,
.vd_max = 160,
.rd_min = 24,
diff --git a/arch/arm/mach-integrator/impd1.c b/arch/arm/mach-integrator/impd1.c
index dfb961b..5aca7eb 100644
--- a/arch/arm/mach-integrator/impd1.c
+++ b/arch/arm/mach-integrator/impd1.c
@@ -42,7 +42,7 @@ struct impd1_module {
static const struct icst_params impd1_vco_params = {
.ref = 24000, /* 24 MHz */
- .vco_max = 200000, /* 200 MHz */
+ .vco_max = ICST525_VCO_MAX_3V,
.vd_min = 12,
.vd_max = 519,
.rd_min = 3,
diff --git a/arch/arm/mach-integrator/integrator_cp.c b/arch/arm/mach-integrator/integrator_cp.c
index 15bfbe2..27f9510 100644
--- a/arch/arm/mach-integrator/integrator_cp.c
+++ b/arch/arm/mach-integrator/integrator_cp.c
@@ -270,7 +270,7 @@ static void __init intcp_init_irq(void)
static const struct icst_params cp_auxvco_params = {
.ref = 24000,
- .vco_max = 320000,
+ .vco_max = ICST525_VCO_MAX_5V,
.vd_min = 8,
.vd_max = 263,
.rd_min = 3,
diff --git a/arch/arm/mach-realview/core.c b/arch/arm/mach-realview/core.c
index ac50474..5a850f0 100644
--- a/arch/arm/mach-realview/core.c
+++ b/arch/arm/mach-realview/core.c
@@ -275,7 +275,7 @@ struct mmci_platform_data realview_mmc1_plat_data = {
*/
static const struct icst_params realview_oscvco_params = {
.ref = 24000,
- .vco_max = 200000,
+ .vco_max = ICST307_VCO_MAX,
.vd_min = 4 + 8,
.vd_max = 511 + 8,
.rd_min = 1 + 2,
diff --git a/arch/arm/mach-versatile/core.c b/arch/arm/mach-versatile/core.c
index ded7134..f8ed561 100644
--- a/arch/arm/mach-versatile/core.c
+++ b/arch/arm/mach-versatile/core.c
@@ -381,7 +381,7 @@ static struct mmci_platform_data mmc0_plat_data = {
*/
static const struct icst_params versatile_oscvco_params = {
.ref = 24000,
- .vco_max = 200000,
+ .vco_max = ICST307_VCO_MAX,
.vd_min = 4 + 8,
.vd_max = 511 + 8,
.rd_min = 1 + 2,
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