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ARM: tegra: Add speedo-based process identification

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Detect CPU and core process ID by checking speedo corner tables.
This can provide a more accurate process ID.

Signed-off-by: Danny Huang <dahuang@nvidia.com>
[swarren s/Tegra2/Tegra20/ in log print]
Signed-off-by: Stephen Warren <swarren@nvidia.com>
This commit is contained in:
Danny Huang
2012-11-15 15:42:33 +08:00
committed by Stephen Warren
parent 1f851a262b
commit 25cd5a3914
4 changed files with 140 additions and 8 deletions
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7
arch/arm/mach-tegra/fuse.h
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@@ -42,6 +42,7 @@ extern int tegra_sku_id;
extern int tegra_cpu_process_id;
extern int tegra_core_process_id;
extern int tegra_chip_id;
extern int tegra_soc_speedo_id;
extern enum tegra_revision tegra_revision;
extern int tegra_bct_strapping;
@@ -51,4 +52,10 @@ void tegra_init_fuse(void);
bool tegra_spare_fuse(int bit);
u32 tegra_fuse_readl(unsigned long offset);
#ifdef CONFIG_ARCH_TEGRA_2x_SOC
void tegra20_init_speedo_data(void);
#else
static inline void tegra20_init_speedo_data(void) {}
#endif
#endif