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Link: https://lore.barebox.org/20231219131802.7475-2-s.hauer@pengutronix.de
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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This code is no longer specific to the any board.
Also make ddr2_speed_bins static to not break PowerPC compilation
Signed-off-by: John Watts <contact@jookia.org>
Link: https://lore.barebox.org/20230121144429.3524905-6-contact@jookia.org
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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This is in preparation for use for generic SPD calculations.
I had to also rewrite uses of mclk_to_picos like this:
- pdimm->trtp_ps = mclk_to_picos(c, 2); /* By the book. */
+ pdimm->trtp_ps = mclk_ps * 2; /* By the book. */
This is the same result as:
mclk_to_picos(c, mclk) expands to: get_memory_clk_period_ps(c) * mclk,
and that can just be rewritten as mclk_ps * mclk.
Signed-off-by: John Watts <contact@jookia.org>
Link: https://lore.barebox.org/20230121144429.3524905-3-contact@jookia.org
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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"GPL-2.0-only" was introduced in SPDX 2.0, and the old identifier
"GPL-2.0" is now considered deprecated; see <https://spdx.org/licenses>.
Fixes: 28f4a6a4df76f0f1581d (2021-10-30, "drivers: add missing SPDX-License-Identifier")
Signed-off-by: Roland Hieber <rhi@pengutronix.de>
Link: https://lore.barebox.org/20211117113851.2022669-2-rhi@pengutronix.de
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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fsl_ddr_set_memctl_regs() is not only used internally in the DDR
controller driver, but can also be called by the boards to configure
a static setting. Move the prototype to include/ where it can be
used by board code.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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This adds the Freescale ddr driver used on various PowerPC and
Layerscape SoCs. This is based on U-Boot-2019.01 but with many
adjustments:
- PowerPC support has been removed
- CPP #ifdeffery replaced with C
- No more global variables/functions expected from the driver,
configuration is passed by the board code which calls the driver
We already have the driver in the tree in an older version forked from
U-Boot-2013.04. This version lacks Layerscape support and many quirks
in the driver are PowerPC specific. Since the existing driver should
work on all known PowerPC and PowerPC is a dead end I decided not to
improve the existing driver and instead add a new Layerscape specific
driver.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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