diff options
| author | Tom Rini <trini@ti.com> | 2013-11-07 16:42:57 (GMT) |
|---|---|---|
| committer | Tom Rini <trini@ti.com> | 2013-12-04 13:11:45 (GMT) |
| commit | 39245c8699c68f85a5aaa3153d954370920d09c0 (patch) | |
| tree | f402a009ddf3ddbbe9b7732b1a6b8f87e7bb478d /board/ti/ti814x | |
| parent | 340e6c830053846d48ba97a73adfac3f5cadfd7e (diff) | |
| download | u-boot-fsl-qoriq-39245c8699c68f85a5aaa3153d954370920d09c0.tar.xz | |
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/ti814x')
| -rw-r--r-- | board/ti/ti814x/evm.c | 5 |
1 files changed, 0 insertions, 5 deletions
diff --git a/board/ti/ti814x/evm.c b/board/ti/ti814x/evm.c index e406326..0b76a77 100644 --- a/board/ti/ti814x/evm.c +++ b/board/ti/ti814x/evm.c @@ -33,15 +33,12 @@ static struct ctrl_dev *cdev = (struct ctrl_dev *)CTRL_DEVICE_BASE; #ifdef CONFIG_SPL_BUILD static const struct cmd_control evm_ddr2_cctrl_data = { .cmd0csratio = 0x80, - .cmd0dldiff = 0x04, .cmd0iclkout = 0x00, .cmd1csratio = 0x80, - .cmd1dldiff = 0x04, .cmd1iclkout = 0x00, .cmd2csratio = 0x80, - .cmd2dldiff = 0x04, .cmd2iclkout = 0x00, }; @@ -77,8 +74,6 @@ static const struct ddr_data evm_ddr2_data = { .datagiratio0 = ((0<<10) | (0<<0)), .datafwsratio0 = ((0x90<<10) | (0x90<<0)), .datawrsratio0 = ((0x50<<10) | (0x50<<0)), - .datauserank0delay = 1, - .datadldiff0 = 0x4, }; void set_uart_mux_conf(void) |