diff options
| author | Prashant Gaikwad <pgaikwad@nvidia.com> | 2012-01-05 12:08:14 +0530 |
|---|---|---|
| committer | Simone Willett <swillett@nvidia.com> | 2012-02-17 15:55:29 -0800 |
| commit | d7b0932162f0940c6579222fbace1d75fd53acb4 (patch) | |
| tree | f359be40d25736e732daf25516e923b8f08bfe77 /arch/arm/mach-tegra/board-whistler-memory.c | |
| parent | 59a48a52ef1b0222728beebfcc05a12cf5fb872d (diff) | |
ARM: tegra: whistler: nvidia memory table updates to prevent corruption
To avoid memory corruption when device is operating at full temperature
QUSE_EXTRA should always be set to 0 for frequencies 150MHz and less.
As extra protection change FBIO_CFG5 to remove the region where there
is TriState on the DQS signals thus preventing false DQS pulses (and
false reads).
Bug 851461
Signed-off-by: Prashant Gaikwad <pgaikwad@nvidia.com>
(cherry picked from commit b4eed65c4d0c493384c8cd10d2e455a9ea0d8ea5)
Change-Id: I9aa60fca6fa09e538a1f2643cfe86247945ea000
Reviewed-on: http://git-master/r/84318
Reviewed-by: Prashant Gaikwad <pgaikwad@nvidia.com>
Tested-by: Prashant Gaikwad <pgaikwad@nvidia.com>
Reviewed-by: Edward Ahn <eahn@nvidia.com>
Reviewed-by: Bharat Nihalani <bnihalani@nvidia.com>
Diffstat (limited to 'arch/arm/mach-tegra/board-whistler-memory.c')
| -rw-r--r-- | arch/arm/mach-tegra/board-whistler-memory.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/arch/arm/mach-tegra/board-whistler-memory.c b/arch/arm/mach-tegra/board-whistler-memory.c index e54be7d97f7a..8dd4c8fe2251 100644 --- a/arch/arm/mach-tegra/board-whistler-memory.c +++ b/arch/arm/mach-tegra/board-whistler-memory.c @@ -60,11 +60,11 @@ static const struct tegra_emc_table whistler_emc_tables_elpida_300Mhz[] = { 0x00000006, /* TCLKSTABLE */ 0x00000002, /* TCLKSTOP */ 0x00000068, /* TREFBW */ - 0x00000003, /* QUSE_EXTRA */ + 0x00000000, /* QUSE_EXTRA */ 0x00000003, /* FBIO_CFG6 */ 0x00000000, /* ODT_WRITE */ 0x00000000, /* ODT_READ */ - 0x00000082, /* FBIO_CFG5 */ + 0x00000282, /* FBIO_CFG5 */ 0xa06a04ae, /* CFG_DIG_DLL */ 0x0001f000, /* DLL_XFORM_DQS */ 0x00000000, /* DLL_XFORM_QUSE */ @@ -111,11 +111,11 @@ static const struct tegra_emc_table whistler_emc_tables_elpida_300Mhz[] = { 0x00000006, /* TCLKSTABLE */ 0x00000002, /* TCLKSTOP */ 0x000000d0, /* TREFBW */ - 0x00000004, /* QUSE_EXTRA */ + 0x00000000, /* QUSE_EXTRA */ 0x00000000, /* FBIO_CFG6 */ 0x00000000, /* ODT_WRITE */ 0x00000000, /* ODT_READ */ - 0x00000082, /* FBIO_CFG5 */ + 0x00000282, /* FBIO_CFG5 */ 0xa06a04ae, /* CFG_DIG_DLL */ 0x0001f000, /* DLL_XFORM_DQS */ 0x00000000, /* DLL_XFORM_QUSE */ @@ -162,11 +162,11 @@ static const struct tegra_emc_table whistler_emc_tables_elpida_300Mhz[] = { 0x00000006, /* TCLKSTABLE */ 0x00000002, /* TCLKSTOP */ 0x00000138, /* TREFBW */ - 0x00000004, /* QUSE_EXTRA */ + 0x00000000, /* QUSE_EXTRA */ 0x00000000, /* FBIO_CFG6 */ 0x00000000, /* ODT_WRITE */ 0x00000000, /* ODT_READ */ - 0x00000082, /* FBIO_CFG5 */ + 0x00000282, /* FBIO_CFG5 */ 0xa06a04ae, /* CFG_DIG_DLL */ 0x0001f000, /* DLL_XFORM_DQS */ 0x00000000, /* DLL_XFORM_QUSE */ @@ -217,7 +217,7 @@ static const struct tegra_emc_table whistler_emc_tables_elpida_300Mhz[] = { 0x00000001, /* FBIO_CFG6 */ 0x00000000, /* ODT_WRITE */ 0x00000000, /* ODT_READ */ - 0x00000082, /* FBIO_CFG5 */ + 0x00000282, /* FBIO_CFG5 */ 0xA04C04AE, /* CFG_DIG_DLL */ 0x007FC010, /* DLL_XFORM_DQS */ 0x00000000, /* DLL_XFORM_QUSE */ |