diff options
| author | Bibek Basu <bbasu@nvidia.com> | 2014-09-02 15:48:09 +0530 |
|---|---|---|
| committer | Matthew Pedro <mapedro@nvidia.com> | 2014-09-16 22:17:17 -0700 |
| commit | 3dbd628d10a07d0769d4fc071d4c028cc0195d5e (patch) | |
| tree | 2cf0133e972dd7673185ae4bf28114fcf86cb16d /arch/arm/mach-tegra/common.c | |
| parent | c086f0a2543a92e76acd67d35af47522e36abbdf (diff) | |
arm: tegra: Ram repair for slow cluster
Do ram repair for slow cluster also during
boot
Bug 1528461
Change-Id: I71ed7891aaff48f0b87438ad029b22ced9be0f04
Signed-off-by: Bibek Basu <bbasu@nvidia.com>
Reviewed-on: http://git-master/r/494787
Reviewed-by: Matthew Pedro <mapedro@nvidia.com>
Tested-by: Matthew Pedro <mapedro@nvidia.com>
Diffstat (limited to 'arch/arm/mach-tegra/common.c')
| -rw-r--r-- | arch/arm/mach-tegra/common.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/arch/arm/mach-tegra/common.c b/arch/arm/mach-tegra/common.c index 275e4035b006..7e98f7c570f9 100644 --- a/arch/arm/mach-tegra/common.c +++ b/arch/arm/mach-tegra/common.c @@ -776,13 +776,31 @@ static void __init tegra_perf_init(void) #if !defined(CONFIG_ARCH_TEGRA_2x_SOC) && !defined(CONFIG_ARCH_TEGRA_3x_SOC) static void __init tegra_ramrepair_init(void) { +#define RAM_REPAIR_TIMEOUT 500 /*usec */ #if defined(CONFIG_ARCH_TEGRA_11x_SOC) if (tegra_spare_fuse(10) | tegra_spare_fuse(11)) { #endif u32 reg; + u32 timeout = RAM_REPAIR_TIMEOUT; + /* ram repair for Fast Cluster0*/ reg = readl(FLOW_CTRL_RAM_REPAIR); reg &= ~FLOW_CTRL_RAM_REPAIR_BYPASS_EN; writel(reg, FLOW_CTRL_RAM_REPAIR); + +#if defined(CONFIG_ARCH_TEGRA_12x_SOC) + /* Ram Repair for Slow Cluster1 */ + reg = readl(FLOW_CTRL_RAM_REPAIR_1); + reg |= FLOW_CTRL_RAM_REPAIR_REQ; + writel(reg, FLOW_CTRL_RAM_REPAIR_1); + do { + udelay(1); + reg = readl(FLOW_CTRL_RAM_REPAIR_1); + } while (!(reg & FLOW_CTRL_RAM_REPAIR_STS) && (timeout--)); + if (!timeout) { + pr_err("Slow Cluster Ram Repair failed"); + pr_err("reg 0x%x timeout %d\n", reg, timeout); + } +#endif #if defined(CONFIG_ARCH_TEGRA_11x_SOC) } #endif |