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authorJonas Gorski <jogo@openwrt.org>2013-06-30 13:10:00 +0000
committerJonas Gorski <jogo@openwrt.org>2013-06-30 13:10:00 +0000
commite7d93889d79d7ae97c70fcbb164f60f81dc10f01 (patch)
tree7bc2d16490f666f55a2e7738a1bfb004b972a10e /target/linux/brcm63xx/patches-3.9/110-MIPS-BCM63XX-add-USB-host-clock-enable-delay.patch
parent66f8f30f473eebdf2c36b5b4841ab23fb53726c7 (diff)
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bcm63xx: make smp kernels boot on older SoCs
Enhance BMIPS support so SMP kernels work on older chips. Signed-off-by: Jonas Gorski <jogo@openwrt.org> SVN-Revision: 37099
Diffstat (limited to 'target/linux/brcm63xx/patches-3.9/110-MIPS-BCM63XX-add-USB-host-clock-enable-delay.patch')
-rw-r--r--target/linux/brcm63xx/patches-3.9/110-MIPS-BCM63XX-add-USB-host-clock-enable-delay.patch28
1 files changed, 28 insertions, 0 deletions
diff --git a/target/linux/brcm63xx/patches-3.9/110-MIPS-BCM63XX-add-USB-host-clock-enable-delay.patch b/target/linux/brcm63xx/patches-3.9/110-MIPS-BCM63XX-add-USB-host-clock-enable-delay.patch
new file mode 100644
index 0000000000..63d385be4e
--- /dev/null
+++ b/target/linux/brcm63xx/patches-3.9/110-MIPS-BCM63XX-add-USB-host-clock-enable-delay.patch
@@ -0,0 +1,28 @@
+From 80a2f983e9f44dbc3e01ae31c62d877846a7f791 Mon Sep 17 00:00:00 2001
+From: Florian Fainelli <florian@openwrt.org>
+Date: Mon, 28 Jan 2013 20:06:19 +0100
+Subject: [PATCH 01/11] MIPS: BCM63XX: add USB host clock enable delay
+
+Knowledge of the clock setup delay should remain at the clock level (so
+it can be clock specific and CPU specific). Add the 100 milliseconds
+required clock delay for the USB host clock when it gets enabled.
+
+Signed-off-by: Florian Fainelli <florian@openwrt.org>
+---
+ arch/mips/bcm63xx/clk.c | 5 +++++
+ 1 file changed, 5 insertions(+)
+
+--- a/arch/mips/bcm63xx/clk.c
++++ b/arch/mips/bcm63xx/clk.c
+@@ -177,6 +177,11 @@ static void usbh_set(struct clk *clk, in
+ bcm_hwclock_set(CKCTL_6362_USBH_EN, enable);
+ else if (BCMCPU_IS_6368())
+ bcm_hwclock_set(CKCTL_6368_USBH_EN, enable);
++ else
++ return;
++
++ if (enable)
++ msleep(100);
+ }
+
+ static struct clk clk_usbh = {