diff options
| author | Puneet Saxena <puneets@nvidia.com> | 2012-01-25 16:18:11 +0530 |
|---|---|---|
| committer | Puneet Saxena <puneets@nvidia.com> | 2012-02-07 02:00:04 -0800 |
| commit | 5fbb64cdebd43d7f39c537748471436271a9e33a (patch) | |
| tree | b4d54909f6d3387c7d20ee5613270ec36dcf0747 | |
| parent | 380ebeba0ad7b7188c573703e87843d0f90bbb7d (diff) | |
tegra: Extend support for RAM size as 2GB
Add a case for returning RAM size as 2GB by reading
PMC scratch20 register.
BUG=chromium-os:23496
TEST=Build ok for Cardhu, Waluigi and Seaboard. Tested on Waluigi.
Change-Id: I5dc8fdf7cd9718e5dd2ca24cd1f467c5b6e9a6aa
Signed-off-by: Puneet Saxena <puneets@nvidia.com>
Reviewed-on: https://gerrit.chromium.org/gerrit/14696
| -rw-r--r-- | arch/arm/cpu/armv7/tegra-common/board.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/arch/arm/cpu/armv7/tegra-common/board.c b/arch/arm/cpu/armv7/tegra-common/board.c index df79d95716f..5a57298db7e 100644 --- a/arch/arm/cpu/armv7/tegra-common/board.c +++ b/arch/arm/cpu/armv7/tegra-common/board.c @@ -49,7 +49,14 @@ unsigned int board_query_sdram_size(void) return 0x10000000; /* 256 MB */ case 2: return 0x20000000; /* 512 MB */ - case 3: + case 4: + return 0x40000000; /* 1GB */ + case 8: + /* + * On tegra3, out of 2GB, 1MB(0xFFF00000 - FFFFFFFF) is used for + * Bootcode(IROM) and arm specific exception vector code. + */ + return 0x7ff00000; /* 2GB - 1MB */ default: return 0x40000000; /* 1GB */ } |