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authorNicolas Ferre <nicolas.ferre@atmel.com>2012-07-09 21:06:25 +0200
committerNicolas Ferre <nicolas.ferre@atmel.com>2012-08-23 15:00:09 +0200
commit2ed1f58900280f79485bbc15f781687bd9584675 (patch)
tree38b426c5bdb28497cf8aa144bca4d375de24cb45 /arch/arm
parente402af6caa02f12ad213af2e22aa8a32970f99b0 (diff)
downloadlinux-linaro-stable-2ed1f58900280f79485bbc15f781687bd9584675.tar.gz
ARM: at91/clock: fix PLLA overclock warning
Fix PLLA overclock warning in relation with datasheet numbers. Add new > 240 MHz and > 210 MHz SoC categories. Reported-by: Jiri Prchal <jiri.prchal@aksignal.cz> Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Diffstat (limited to 'arch/arm')
-rw-r--r--arch/arm/mach-at91/clock.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/arm/mach-at91/clock.c b/arch/arm/mach-at91/clock.c
index de2ec6b8fea7..188c82971ebd 100644
--- a/arch/arm/mach-at91/clock.c
+++ b/arch/arm/mach-at91/clock.c
@@ -63,6 +63,12 @@ EXPORT_SYMBOL_GPL(at91_pmc_base);
#define cpu_has_300M_plla() (cpu_is_at91sam9g10())
+#define cpu_has_240M_plla() (cpu_is_at91sam9261() \
+ || cpu_is_at91sam9263() \
+ || cpu_is_at91sam9rl())
+
+#define cpu_has_210M_plla() (cpu_is_at91sam9260())
+
#define cpu_has_pllb() (!(cpu_is_at91sam9rl() \
|| cpu_is_at91sam9g45() \
|| cpu_is_at91sam9x5() \
@@ -706,6 +712,12 @@ static int __init at91_pmc_init(unsigned long main_clock)
} else if (cpu_has_800M_plla()) {
if (plla.rate_hz > 800000000)
pll_overclock = true;
+ } else if (cpu_has_240M_plla()) {
+ if (plla.rate_hz > 240000000)
+ pll_overclock = true;
+ } else if (cpu_has_210M_plla()) {
+ if (plla.rate_hz > 210000000)
+ pll_overclock = true;
} else {
if (plla.rate_hz > 209000000)
pll_overclock = true;