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| author | John Crispin <john@openwrt.org> | 2015-12-12 06:42:05 +0000 |
|---|---|---|
| committer | John Crispin <john@openwrt.org> | 2015-12-12 06:42:05 +0000 |
| commit | e610cdfc8ab936ad734cf15a414574b69001b634 (patch) | |
| tree | 2ac957b34100f5167c6f305bc551fdf135c361e4 /target/linux/ramips/patches-4.3 | |
| parent | 0b6271faf475a74cdd5b9d0c19ebba5298b4de8c (diff) | |
| download | upstream-e610cdfc8ab936ad734cf15a414574b69001b634.tar.gz upstream-e610cdfc8ab936ad734cf15a414574b69001b634.tar.bz2 upstream-e610cdfc8ab936ad734cf15a414574b69001b634.zip | |
ramips: use gic timer as clocksource for mt7621
* Switches clocksource to gic timer.
* Moves frequency definitions to dtsi since frequency was hardcoded anyway
Will work on proper frequency detection later.
Signed-off-by: Nikolay Martynov <mar.kolya@gmail.com>
SVN-Revision: 47875
Diffstat (limited to 'target/linux/ramips/patches-4.3')
| -rw-r--r-- | target/linux/ramips/patches-4.3/0902-mt7621-use-gic-timer.patch | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/target/linux/ramips/patches-4.3/0902-mt7621-use-gic-timer.patch b/target/linux/ramips/patches-4.3/0902-mt7621-use-gic-timer.patch new file mode 100644 index 0000000000..1c6da106cb --- /dev/null +++ b/target/linux/ramips/patches-4.3/0902-mt7621-use-gic-timer.patch @@ -0,0 +1,82 @@ +--- a/arch/mips/ralink/Kconfig ++++ b/arch/mips/ralink/Kconfig +@@ -52,6 +52,8 @@ + select SYS_SUPPORTS_SMP + select SYS_SUPPORTS_MIPS_CPS + select MIPS_GIC ++ select COMMON_CLK ++ select CLKSRC_MIPS_GIC + select HW_HAS_PCI + endchoice + +--- a/arch/mips/ralink/Makefile ++++ b/arch/mips/ralink/Makefile +@@ -6,14 +6,18 @@ + # Copyright (C) 2009-2011 Gabor Juhos <juhosg@openwrt.org> + # Copyright (C) 2013 John Crispin <blogic@openwrt.org> + +-obj-y := prom.o of.o reset.o clk.o timer.o ++obj-y := prom.o of.o reset.o ++ ++ifndef CONFIG_MIPS_GIC ++ obj-y += clk.o timer.o ++endif + + obj-$(CONFIG_CLKEVT_RT3352) += cevt-rt3352.o + + obj-$(CONFIG_RALINK_ILL_ACC) += ill_acc.o + + obj-$(CONFIG_IRQ_INTC) += irq.o +-obj-$(CONFIG_MIPS_GIC) += irq-gic.o ++obj-$(CONFIG_MIPS_GIC) += irq-gic.o timer-gic.o + + obj-$(CONFIG_SOC_RT288X) += rt288x.o + obj-$(CONFIG_SOC_RT305X) += rt305x.o +--- a/arch/mips/ralink/irq-gic.c ++++ b/arch/mips/ralink/irq-gic.c +@@ -3,13 +3,6 @@ + #include <linux/of.h> + #include <linux/irqchip.h> + +-#include <linux/irqchip/mips-gic.h> +- +-unsigned int get_c0_compare_int(void) +-{ +- return gic_get_c0_compare_int(); +-} +- + void __init + arch_init_irq(void) + { +--- /dev/null ++++ b/arch/mips/ralink/timer-gic.c +@@ -0,0 +1,15 @@ ++#include <linux/init.h> ++ ++#include <linux/of.h> ++#include <linux/clk-provider.h> ++#include <linux/clocksource.h> ++ ++#include "common.h" ++ ++void __init plat_time_init(void) ++{ ++ ralink_of_remap(); ++ ++ of_clk_init(NULL); ++ clocksource_of_init(); ++} +--- a/arch/mips/ralink/mt7621.c ++++ b/arch/mips/ralink/mt7621.c +@@ -152,11 +152,6 @@ + } + break; + } +- cpu_clk = 880000000; +- ralink_clk_add("cpu", cpu_clk); +- ralink_clk_add("1e000b00.spi", 50000000); +- ralink_clk_add("1e000c00.uartlite", 50000000); +- ralink_clk_add("1e000d00.uart", 50000000); + } + + void __init ralink_of_remap(void) |