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ARM: tegra: cleanup use of chipid register

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The chipid register contains information about the Tegra variant and revision.
We want differentiate between Tegra variants for powergating and secondary
core bringup. This patch cleans up the reading and decoding of this register.
In subsequent patches the variant will exported as a global variable.

Signed-off-by: Peter De Schrijver <pdeschrijver@nvidia.com>
Acked-by: Stephen Warren <swarren@nvidia.com>
Tested-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
This commit is contained in:
Peter De Schrijver
2012-02-10 01:47:41 +02:00
committed by Olof Johansson
parent 0f830e5c90
commit 35b1498a34
2 changed files with 14 additions and 7 deletions
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arch/arm/mach-tegra/fuse.h
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@@ -35,6 +35,9 @@ enum tegra_revision {
#define SKU_ID_AP25E 27
#define SKU_ID_T25E 28
#define TEGRA20 0x20
#define TEGRA30 0x30
extern int tegra_sku_id;
extern int tegra_cpu_process_id;
extern int tegra_core_process_id;