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authorLinus Walleij <linus.walleij@linaro.org>2015-07-27 22:40:53 +0200
committerOlof Johansson <olof@lixom.net>2015-08-11 15:29:59 +0200
commit98badfd31ccb1448866b99cb6a64ad227d141d22 (patch)
treee2ef6b786bd186183c3d2ead5595b46946057d9d
parent1cb3375bb53719a2d90793b5bc47f99c21dc6b72 (diff)
downloadlinux-98badfd31ccb1448866b99cb6a64ad227d141d22.tar.bz2
ARM: nomadik: move l2x0 setup to device tree
The cache setup magic value in the Nomadik machine is plain wrong, the correct settings can be done using device tree in accordance with the settings from ST's own port. Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Olof Johansson <olof@lixom.net>
-rw-r--r--arch/arm/boot/dts/ste-nomadik-stn8815.dtsi7
-rw-r--r--arch/arm/mach-nomadik/cpu-8815.c5
2 files changed, 9 insertions, 3 deletions
diff --git a/arch/arm/boot/dts/ste-nomadik-stn8815.dtsi b/arch/arm/boot/dts/ste-nomadik-stn8815.dtsi
index f68988ac800c..ce8936bebe5e 100644
--- a/arch/arm/boot/dts/ste-nomadik-stn8815.dtsi
+++ b/arch/arm/boot/dts/ste-nomadik-stn8815.dtsi
@@ -21,6 +21,13 @@
interrupts = <30>;
cache-unified;
cache-level = <2>;
+ cache-size = <131072>;
+ cache-sets = <512>;
+ cache-line-size = <32>;
+ /* At full speed latency must be >=2 */
+ arm,tag-latency = <2>;
+ arm,data-latency = <2 2>;
+ arm,dirty-latency = <2>;
};
mtu0: mtu@101e2000 {
diff --git a/arch/arm/mach-nomadik/cpu-8815.c b/arch/arm/mach-nomadik/cpu-8815.c
index 82831dc6122f..0c612d95bd5c 100644
--- a/arch/arm/mach-nomadik/cpu-8815.c
+++ b/arch/arm/mach-nomadik/cpu-8815.c
@@ -114,9 +114,8 @@ static const char * cpu8815_board_compat[] = {
};
DT_MACHINE_START(NOMADIK_DT, "Nomadik STn8815")
- /* At full speed latency must be >=2, so 0x249 in low bits */
- .l2c_aux_val = 0x00700249,
- .l2c_aux_mask = 0xfe0fefff,
+ .l2c_aux_val = 0,
+ .l2c_aux_mask = ~0,
.map_io = cpu8815_map_io,
.restart = cpu8815_restart,
.dt_compat = cpu8815_board_compat,