diff options
| -rw-r--r-- | target/linux/mpc85xx/patches-3.18/142-add-mpic-timer-clock-frequency.patch | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/target/linux/mpc85xx/patches-3.18/142-add-mpic-timer-clock-frequency.patch b/target/linux/mpc85xx/patches-3.18/142-add-mpic-timer-clock-frequency.patch new file mode 100644 index 0000000..cc5e4dd --- /dev/null +++ b/target/linux/mpc85xx/patches-3.18/142-add-mpic-timer-clock-frequency.patch @@ -0,0 +1,48 @@ +From 1c20a5420c2602e2438209f34a633eae377eda5e Mon Sep 17 00:00:00 2001 +From: Heiner Kallweit <hkallweit1@gmail.com> +Date: Thu, 19 Feb 2015 23:43:32 +0100 +Subject: [PATCH] mpc85xx: add mpic timer clock frequency + +MPIC timers are enabled in the config, however a devicetree clock setting +is missing causing the following error: +/soc@ffe00000/timer@41100: cannot get timer frequency. +/soc@ffe00000/timer@42100: cannot get timer frequency. + +This patch adds the missing clock and avoids the error. +It's a functional copy of this code +do_fixup_by_compat_u32(blob, "fsl,mpic", + "clock-frequency", get_bus_freq(0), 1); +in arch/powerpc/cpu/mpc85xx/fdt.c in the u-boot code. + +Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> +--- + arch/powerpc/boot/cuboot-tl-wdr4900-v1.c | 6 +++++- + 1 file changed, 5 insertions(+), 1 deletion(-) + +diff --git a/arch/powerpc/boot/cuboot-tl-wdr4900-v1.c b/arch/powerpc/boot/cuboot-tl-wdr4900-v1.c +index 095e777..17459ef 100644 +--- a/arch/powerpc/boot/cuboot-tl-wdr4900-v1.c ++++ b/arch/powerpc/boot/cuboot-tl-wdr4900-v1.c +@@ -119,7 +119,7 @@ static void process_boot_dtb(void *boot_dtb) + + static void platform_fixups(void) + { +- void *soc; ++ void *soc, *mpic; + + dt_fixup_memory(0, mem_size); + +@@ -144,6 +144,10 @@ static void platform_fixups(void) + sizeof(bus_freq)); + } + } ++ ++ mpic = find_node_by_compatible(NULL, "fsl,mpic"); ++ if (mpic) ++ setprop(mpic, "clock-frequency", &bus_freq, sizeof(bus_freq)); + } + + void platform_init(unsigned long r3, unsigned long r4, unsigned long r5, +-- +2.3.0 + |