diff options
| author | Varun Wadekar <vwadekar@nvidia.com> | 2011-07-27 11:53:12 +0530 |
|---|---|---|
| committer | Simone Willett <swillett@nvidia.com> | 2011-08-09 13:22:29 -0700 |
| commit | 0ee38bb7f7b6720b6c0627a9cf8c334678066d8d (patch) | |
| tree | 796e04556cd4abb80cf06b214d5ecf6cddf122b3 | |
| parent | a714dd55c49e16173f7cff264ac58b5cbd6c0942 (diff) | |
ARM: tegra: ventana: 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).
(cherry-picked from 2dc075be0e8495654a84a6bc6afa63408e141b02)
Original author: James Wylder <james.wylder@motorola.com>
Signed-off-by: Varun Wadekar <vwadekar@nvidia.com>
Change-Id: I5c711343737edf972251006484ea84661106e0f9
Reviewed-on: http://git-master/r/43401
Reviewed-by: Simone Willett <swillett@nvidia.com>
Tested-by: Simone Willett <swillett@nvidia.com>
| -rw-r--r-- | arch/arm/mach-tegra/board-ventana-memory.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/arch/arm/mach-tegra/board-ventana-memory.c b/arch/arm/mach-tegra/board-ventana-memory.c index 1adcd8b20d71..8c207b700bcd 100644 --- a/arch/arm/mach-tegra/board-ventana-memory.c +++ b/arch/arm/mach-tegra/board-ventana-memory.c @@ -59,11 +59,11 @@ static const struct tegra_emc_table ventana_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 */ @@ -110,11 +110,11 @@ static const struct tegra_emc_table ventana_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 */ @@ -161,11 +161,11 @@ static const struct tegra_emc_table ventana_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 */ @@ -216,7 +216,7 @@ static const struct tegra_emc_table ventana_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 */ |