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| author | Tom Rini <trini@ti.com> | 2013-11-07 11:42:57 -0500 |
|---|---|---|
| committer | Tom Rini <trini@ti.com> | 2013-12-04 08:11:45 -0500 |
| commit | 39245c8699c68f85a5aaa3153d954370920d09c0 (patch) | |
| tree | f402a009ddf3ddbbe9b7732b1a6b8f87e7bb478d /board/ti/am335x/board.c | |
| parent | 340e6c830053846d48ba97a73adfac3f5cadfd7e (diff) | |
| download | u-boot-imx-39245c8699c68f85a5aaa3153d954370920d09c0.zip u-boot-imx-39245c8699c68f85a5aaa3153d954370920d09c0.tar.gz u-boot-imx-39245c8699c68f85a5aaa3153d954370920d09c0.tar.bz2 | |
am33xx: Stop modifying certain EMIF4D registers
Based on the definitive guide to EMIF configuration[1] certain registers
that we have been modifying (and are documented registers) should be
left in their reset values rather than modified. This has been tested
on AM335x GP EVM and Beaglebone White.
[1]: http://processors.wiki.ti.com/index.php/AM335x_EMIF_Configuration_tips
Cc: Enric Balletbo i Serra <eballetbo@iseebcn.com>
Cc: Javier Martinez Canillas <javier@dowhile0.org>
Cc: Heiko Schocher <hs@denx.de>
Cc: Lars Poeschel <poeschel@lemonage.de>
Signed-off-by: Tom Rini <trini@ti.com>
Tested-by: Matt Porter <matt.porter@linaro.org>
Diffstat (limited to 'board/ti/am335x/board.c')
| -rw-r--r-- | board/ti/am335x/board.c | 17 |
1 files changed, 0 insertions, 17 deletions
diff --git a/board/ti/am335x/board.c b/board/ti/am335x/board.c index 57fedab..1459fae 100644 --- a/board/ti/am335x/board.c +++ b/board/ti/am335x/board.c @@ -107,21 +107,16 @@ static const struct ddr_data ddr2_data = { (MT47H128M16RT25E_PHY_WR_DATA<<20) | (MT47H128M16RT25E_PHY_WR_DATA<<10) | (MT47H128M16RT25E_PHY_WR_DATA<<0)), - .datauserank0delay = MT47H128M16RT25E_PHY_RANK0_DELAY, - .datadldiff0 = PHY_DLL_LOCK_DIFF, }; static const struct cmd_control ddr2_cmd_ctrl_data = { .cmd0csratio = MT47H128M16RT25E_RATIO, - .cmd0dldiff = MT47H128M16RT25E_DLL_LOCK_DIFF, .cmd0iclkout = MT47H128M16RT25E_INVERT_CLKOUT, .cmd1csratio = MT47H128M16RT25E_RATIO, - .cmd1dldiff = MT47H128M16RT25E_DLL_LOCK_DIFF, .cmd1iclkout = MT47H128M16RT25E_INVERT_CLKOUT, .cmd2csratio = MT47H128M16RT25E_RATIO, - .cmd2dldiff = MT47H128M16RT25E_DLL_LOCK_DIFF, .cmd2iclkout = MT47H128M16RT25E_INVERT_CLKOUT, }; @@ -139,7 +134,6 @@ static const struct ddr_data ddr3_data = { .datawdsratio0 = MT41J128MJT125_WR_DQS, .datafwsratio0 = MT41J128MJT125_PHY_FIFO_WE, .datawrsratio0 = MT41J128MJT125_PHY_WR_DATA, - .datadldiff0 = PHY_DLL_LOCK_DIFF, }; static const struct ddr_data ddr3_beagleblack_data = { @@ -147,7 +141,6 @@ static const struct ddr_data ddr3_beagleblack_data = { .datawdsratio0 = MT41K256M16HA125E_WR_DQS, .datafwsratio0 = MT41K256M16HA125E_PHY_FIFO_WE, .datawrsratio0 = MT41K256M16HA125E_PHY_WR_DATA, - .datadldiff0 = PHY_DLL_LOCK_DIFF, }; static const struct ddr_data ddr3_evm_data = { @@ -155,48 +148,38 @@ static const struct ddr_data ddr3_evm_data = { .datawdsratio0 = MT41J512M8RH125_WR_DQS, .datafwsratio0 = MT41J512M8RH125_PHY_FIFO_WE, .datawrsratio0 = MT41J512M8RH125_PHY_WR_DATA, - .datadldiff0 = PHY_DLL_LOCK_DIFF, }; static const struct cmd_control ddr3_cmd_ctrl_data = { .cmd0csratio = MT41J128MJT125_RATIO, - .cmd0dldiff = MT41J128MJT125_DLL_LOCK_DIFF, .cmd0iclkout = MT41J128MJT125_INVERT_CLKOUT, .cmd1csratio = MT41J128MJT125_RATIO, - .cmd1dldiff = MT41J128MJT125_DLL_LOCK_DIFF, .cmd1iclkout = MT41J128MJT125_INVERT_CLKOUT, .cmd2csratio = MT41J128MJT125_RATIO, - .cmd2dldiff = MT41J128MJT125_DLL_LOCK_DIFF, .cmd2iclkout = MT41J128MJT125_INVERT_CLKOUT, }; static const struct cmd_control ddr3_beagleblack_cmd_ctrl_data = { .cmd0csratio = MT41K256M16HA125E_RATIO, - .cmd0dldiff = MT41K256M16HA125E_DLL_LOCK_DIFF, .cmd0iclkout = MT41K256M16HA125E_INVERT_CLKOUT, .cmd1csratio = MT41K256M16HA125E_RATIO, - .cmd1dldiff = MT41K256M16HA125E_DLL_LOCK_DIFF, .cmd1iclkout = MT41K256M16HA125E_INVERT_CLKOUT, .cmd2csratio = MT41K256M16HA125E_RATIO, - .cmd2dldiff = MT41K256M16HA125E_DLL_LOCK_DIFF, .cmd2iclkout = MT41K256M16HA125E_INVERT_CLKOUT, }; static const struct cmd_control ddr3_evm_cmd_ctrl_data = { .cmd0csratio = MT41J512M8RH125_RATIO, - .cmd0dldiff = MT41J512M8RH125_DLL_LOCK_DIFF, .cmd0iclkout = MT41J512M8RH125_INVERT_CLKOUT, .cmd1csratio = MT41J512M8RH125_RATIO, - .cmd1dldiff = MT41J512M8RH125_DLL_LOCK_DIFF, .cmd1iclkout = MT41J512M8RH125_INVERT_CLKOUT, .cmd2csratio = MT41J512M8RH125_RATIO, - .cmd2dldiff = MT41J512M8RH125_DLL_LOCK_DIFF, .cmd2iclkout = MT41J512M8RH125_INVERT_CLKOUT, }; |