diff options
| author | Scott Williams <scwilliams@nvidia.com> | 2011-03-18 13:38:02 -0700 |
|---|---|---|
| committer | Dan Willemsen <dwillemsen@nvidia.com> | 2011-04-26 15:54:34 -0700 |
| commit | d7f78068ddaecbb15e6d75cdd902d64dadea6251 (patch) | |
| tree | d02d5333d770250cba98ce8532093dffb6311f65 /arch/arm/mach-tegra/suspend-t3.c | |
| parent | d2c569be96204a3bcd843e5040b1b5c636728816 (diff) | |
arm: tegra: Enable MC early ACK and scoreboard
Bug 791803
Original-Change-Id: I25be461cccd6e14618d8b43fd0738e9abfbe4432
Reviewed-on: http://git-master/r/23584
Reviewed-by: Scott Williams <scwilliams@nvidia.com>
Tested-by: Scott Williams <scwilliams@nvidia.com>
Change-Id: I6bb5dcfbf48323919529c6271ea7696ecc413bb2
Diffstat (limited to 'arch/arm/mach-tegra/suspend-t3.c')
| -rw-r--r-- | arch/arm/mach-tegra/suspend-t3.c | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/arch/arm/mach-tegra/suspend-t3.c b/arch/arm/mach-tegra/suspend-t3.c index 66ef21076c0b..90fb6455430a 100644 --- a/arch/arm/mach-tegra/suspend-t3.c +++ b/arch/arm/mach-tegra/suspend-t3.c @@ -36,7 +36,7 @@ #include "clock.h" #include "gpio-names.h" #include "power.h" - +#include "tegra3_emc.h" #define CAR_CCLK_BURST_POLICY \ (IO_ADDRESS(TEGRA_CLK_RESET_BASE) + 0x20) @@ -409,3 +409,20 @@ int tegra_wake_to_irq(int wake) return tegra_wake_event_irq[wake]; } + +static u32 mc_reserved_rsv; +static u32 mc_emem_arb_override; + +void tegra_lp0_suspend_mc(void) +{ + void __iomem *mc = IO_ADDRESS(TEGRA_MC_BASE); + mc_reserved_rsv = readl(mc + MC_RESERVED_RSV); + mc_emem_arb_override = readl(mc + MC_EMEM_ARB_OVERRIDE); +} + +void tegra_lp0_resume_mc(void) +{ + void __iomem *mc = IO_ADDRESS(TEGRA_MC_BASE); + writel(mc_reserved_rsv, mc + MC_RESERVED_RSV); + writel(mc_emem_arb_override, mc + MC_EMEM_ARB_OVERRIDE); +} |