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authorBenoît Thébaudeau <benoit.thebaudeau@advansee.com>2012-08-21 11:06:03 +0000
committerStefano Babic <sbabic@denx.de>2012-09-06 14:23:30 +0200
commit0dc7b82e4ec7cb95738aebd368d06a5cd8e37595 (patch)
tree216c89ad4a1d89ce4b78203a1d00b7f822a8a1d6
parent97ed12cedf9cd47ddc4553c3fa9f3e8f92cba8c3 (diff)
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mx31: Define default SoC input clock frequencies
Define default SoC input clock frequencies for i.MX31 in order to get rid of duplicated definitions. Signed-off-by: Benoît Thébaudeau <benoit.thebaudeau@advansee.com> Cc: Stefano Babic <sbabic@denx.de> Cc: Fabio Estevam <fabio.estevam@freescale.com> Cc: Wolfgang Denk <wd@denx.de> Cc: Helmut Raiger <helmut.raiger@hale.at>
Diffstat
-rw-r--r--arch/arm/cpu/arm1136/mx31/generic.c4
-rw-r--r--arch/arm/cpu/arm1136/mx31/timer.c16
-rw-r--r--arch/arm/include/asm/arch-mx31/clock.h14
-rw-r--r--include/configs/imx31_litekit.h1
-rw-r--r--include/configs/imx31_phycore.h1
-rw-r--r--include/configs/mx31ads.h2
-rw-r--r--include/configs/mx31pdk.h2
-rw-r--r--include/configs/qong.h2
-rw-r--r--include/configs/tt01.h2
9 files changed, 24 insertions, 20 deletions
diff --git a/arch/arm/cpu/arm1136/mx31/generic.c b/arch/arm/cpu/arm1136/mx31/generic.c
index 3a35bfa..93f429c 100644
--- a/arch/arm/cpu/arm1136/mx31/generic.c
+++ b/arch/arm/cpu/arm1136/mx31/generic.c
@@ -49,9 +49,9 @@ static u32 mx31_get_mpl_dpdgck_clk(void)
u32 infreq;
if ((readl(CCM_CCMR) & CCMR_PRCS_MASK) == CCMR_FPM)
- infreq = CONFIG_MX31_CLK32 * 1024;
+ infreq = MXC_CLK32 * 1024;
else
- infreq = CONFIG_MX31_HCLK_FREQ;
+ infreq = MXC_HCLK;
return mx31_decode_pll(readl(CCM_MPCTL), infreq);
}
diff --git a/arch/arm/cpu/arm1136/mx31/timer.c b/arch/arm/cpu/arm1136/mx31/timer.c
index 72081a8..36266da 100644
--- a/arch/arm/cpu/arm1136/mx31/timer.c
+++ b/arch/arm/cpu/arm1136/mx31/timer.c
@@ -23,6 +23,7 @@
#include <common.h>
#include <asm/arch/imx-regs.h>
+#include <asm/arch/clock.h>
#include <div64.h>
#include <watchdog.h>
#include <asm/io.h>
@@ -53,28 +54,27 @@ DECLARE_GLOBAL_DATA_PTR;
static inline unsigned long long tick_to_time(unsigned long long tick)
{
tick *= CONFIG_SYS_HZ;
- do_div(tick, CONFIG_MX31_CLK32);
+ do_div(tick, MXC_CLK32);
return tick;
}
static inline unsigned long long time_to_tick(unsigned long long time)
{
- time *= CONFIG_MX31_CLK32;
+ time *= MXC_CLK32;
do_div(time, CONFIG_SYS_HZ);
return time;
}
static inline unsigned long long us_to_tick(unsigned long long us)
{
- us = us * CONFIG_MX31_CLK32 + 999999;
+ us = us * MXC_CLK32 + 999999;
do_div(us, 1000000);
return us;
}
#else
/* ~2% error */
-#define TICK_PER_TIME ((CONFIG_MX31_CLK32 + CONFIG_SYS_HZ / 2) \
- / CONFIG_SYS_HZ)
-#define US_PER_TICK (1000000 / CONFIG_MX31_CLK32)
+#define TICK_PER_TIME ((MXC_CLK32 + CONFIG_SYS_HZ / 2) / CONFIG_SYS_HZ)
+#define US_PER_TICK (1000000 / MXC_CLK32)
static inline unsigned long long tick_to_time(unsigned long long tick)
{
@@ -128,7 +128,7 @@ ulong get_timer_masked(void)
{
/*
* get_ticks() returns a long long (64 bit), it wraps in
- * 2^64 / CONFIG_MX31_CLK32 = 2^64 / 2^15 = 2^49 ~ 5 * 10^14 (s) ~
+ * 2^64 / MXC_CLK32 = 2^64 / 2^15 = 2^49 ~ 5 * 10^14 (s) ~
* 5 * 10^9 days... and get_ticks() * CONFIG_SYS_HZ wraps in
* 5 * 10^6 days - long enough.
*/
@@ -159,7 +159,7 @@ void __udelay(unsigned long usec)
*/
ulong get_tbclk(void)
{
- return CONFIG_MX31_CLK32;
+ return MXC_CLK32;
}
void reset_cpu(ulong addr)
diff --git a/arch/arm/include/asm/arch-mx31/clock.h b/arch/arm/include/asm/arch-mx31/clock.h
index 852c19c..9468b45 100644
--- a/arch/arm/include/asm/arch-mx31/clock.h
+++ b/arch/arm/include/asm/arch-mx31/clock.h
@@ -24,6 +24,20 @@
#ifndef __ASM_ARCH_CLOCK_H
#define __ASM_ARCH_CLOCK_H
+#include <common.h>
+
+#ifdef CONFIG_MX31_HCLK_FREQ
+#define MXC_HCLK CONFIG_MX31_HCLK_FREQ
+#else
+#define MXC_HCLK 26000000
+#endif
+
+#ifdef CONFIG_MX31_CLK32
+#define MXC_CLK32 CONFIG_MX31_CLK32
+#else
+#define MXC_CLK32 32768
+#endif
+
enum mxc_clock {
MXC_ARM_CLK,
MXC_IPG_CLK,
diff --git a/include/configs/imx31_litekit.h b/include/configs/imx31_litekit.h
index 8cca478..6ae764a 100644
--- a/include/configs/imx31_litekit.h
+++ b/include/configs/imx31_litekit.h
@@ -33,7 +33,6 @@
/* High Level Configuration Options */
#define CONFIG_ARM1136 1 /* This is an arm1136 CPU core */
#define CONFIG_MX31 1 /* in a mx31 */
-#define CONFIG_MX31_HCLK_FREQ 26000000
#define CONFIG_MX31_CLK32 32000
#define CONFIG_DISPLAY_CPUINFO
diff --git a/include/configs/imx31_phycore.h b/include/configs/imx31_phycore.h
index b21621c..f36ceea 100644
--- a/include/configs/imx31_phycore.h
+++ b/include/configs/imx31_phycore.h
@@ -33,7 +33,6 @@
/* High Level Configuration Options */
#define CONFIG_ARM1136 /* This is an arm1136 CPU core */
#define CONFIG_MX31 /* in a mx31 */
-#define CONFIG_MX31_HCLK_FREQ 26000000
#define CONFIG_MX31_CLK32 32000
#define CONFIG_DISPLAY_CPUINFO
diff --git a/include/configs/mx31ads.h b/include/configs/mx31ads.h
index 081fbf6..9d9f4a7 100644
--- a/include/configs/mx31ads.h
+++ b/include/configs/mx31ads.h
@@ -27,8 +27,6 @@
/* High Level Configuration Options */
#define CONFIG_ARM1136 1 /* This is an arm1136 CPU core */
#define CONFIG_MX31 1 /* in a mx31 */
-#define CONFIG_MX31_HCLK_FREQ 26000000 /* RedBoot says 26MHz */
-#define CONFIG_MX31_CLK32 32768
#define CONFIG_DISPLAY_CPUINFO
#define CONFIG_DISPLAY_BOARDINFO
diff --git a/include/configs/mx31pdk.h b/include/configs/mx31pdk.h
index 17d3143..b272674 100644
--- a/include/configs/mx31pdk.h
+++ b/include/configs/mx31pdk.h
@@ -35,8 +35,6 @@
/* High Level Configuration Options */
#define CONFIG_ARM1136 /* This is an arm1136 CPU core */
#define CONFIG_MX31 /* in a mx31 */
-#define CONFIG_MX31_HCLK_FREQ 26000000
-#define CONFIG_MX31_CLK32 32768
#define CONFIG_DISPLAY_CPUINFO
#define CONFIG_DISPLAY_BOARDINFO
diff --git a/include/configs/qong.h b/include/configs/qong.h
index 485e1b1..c2bd097 100644
--- a/include/configs/qong.h
+++ b/include/configs/qong.h
@@ -28,8 +28,6 @@
#define CONFIG_ARM1136 /* This is an arm1136 CPU core */
#define CONFIG_MX31 /* in a mx31 */
#define CONFIG_QONG
-#define CONFIG_MX31_HCLK_FREQ 26000000 /* 26MHz */
-#define CONFIG_MX31_CLK32 32768
#define CONFIG_DISPLAY_CPUINFO
#define CONFIG_DISPLAY_BOARDINFO
diff --git a/include/configs/tt01.h b/include/configs/tt01.h
index cc68a42..f46efa5 100644
--- a/include/configs/tt01.h
+++ b/include/configs/tt01.h
@@ -31,8 +31,6 @@
/* High Level Configuration Options */
#define CONFIG_ARM1136
#define CONFIG_MX31
-#define CONFIG_MX31_HCLK_FREQ 26000000
-#define CONFIG_MX31_CLK32 32768
#define CONFIG_DISPLAY_CPUINFO
#define CONFIG_DISPLAY_BOARDINFO
generated by cgit v1.1 at 2024-11-29 21:36:40 +0000