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| author | Ingo Molnar <mingo@kernel.org> | 2015-05-17 07:58:08 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2015-05-17 07:58:08 +0200 |
| commit | cffc32975da7df2ef909299c47ff644e1357e0ac (patch) | |
| tree | 04cfa6276b890f49f686d65be7397c4232ac44af /arch/arm/mach-rockchip/rockchip.c | |
| parent | 6dc178760553605c58d78bd403dfcb4e042c5b72 (diff) | |
| parent | adeb5537849d9db428fe0ddc3562e5a765a347e2 (diff) | |
| download | op-kernel-dev-cffc32975da7df2ef909299c47ff644e1357e0ac.zip op-kernel-dev-cffc32975da7df2ef909299c47ff644e1357e0ac.tar.gz | |
Merge branch 'x86/asm' into x86/apic, to resolve conflicts
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/arm/mach-rockchip/rockchip.c')
| -rw-r--r-- | arch/arm/mach-rockchip/rockchip.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/arch/arm/mach-rockchip/rockchip.c b/arch/arm/mach-rockchip/rockchip.c index d360ec0..b6cf3b4 100644 --- a/arch/arm/mach-rockchip/rockchip.c +++ b/arch/arm/mach-rockchip/rockchip.c @@ -30,11 +30,30 @@ #include "pm.h" #define RK3288_GRF_SOC_CON0 0x244 +#define RK3288_TIMER6_7_PHYS 0xff810000 static void __init rockchip_timer_init(void) { if (of_machine_is_compatible("rockchip,rk3288")) { struct regmap *grf; + void __iomem *reg_base; + + /* + * Most/all uboot versions for rk3288 don't enable timer7 + * which is needed for the architected timer to work. + * So make sure it is running during early boot. + */ + reg_base = ioremap(RK3288_TIMER6_7_PHYS, SZ_16K); + if (reg_base) { + writel(0, reg_base + 0x30); + writel(0xffffffff, reg_base + 0x20); + writel(0xffffffff, reg_base + 0x24); + writel(1, reg_base + 0x30); + dsb(); + iounmap(reg_base); + } else { + pr_err("rockchip: could not map timer7 registers\n"); + } /* * Disable auto jtag/sdmmc switching that causes issues |
