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https://github.com/brain-hackers/u-boot-brain
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da2616543a
The Allwinner H6 SoC comes with a set of new DRAM controller+PHY combo. Both the controller and the PHY seem to be originate from DesignWare, and are similar to the ones in ZynqMP SoCs. This commit introduces an initial DRAM driver for H6, which contains only LPDDR3 support. The currently known SBCs with H6 all come with LPDDR3 memory, including Pine H64 and several Orange Pi's. The BSP DRAM initialization code is closed source and violates GPL. Code in this commit is written by experimenting, referring the code/document of other users of the IPs (mainly the ZynqMP, as it's the only found PHY reference) and disassebling the BSP blob. Thanks for Jernej Skrabec for review and fix some issues in this driver (including the most critical one which made it to work), and rewrite some code from register dump! Signed-off-by: Icenowy Zheng <icenowy@aosc.io> Acked-by: Maxime Ripard <maxime.ripard@bootlin.com> Acked-by: Jagan Teki <jagan@openedev.com> Tested-by: Jagan Teki <jagan@amarulasolutions.com>
43 lines
1.3 KiB
Makefile
43 lines
1.3 KiB
Makefile
# SPDX-License-Identifier: GPL-2.0+
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#
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# (C) Copyright 2012 Henrik Nordstrom <henrik@henriknordstrom.net>
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#
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# Based on some other Makefile
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# (C) Copyright 2000-2003
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# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
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obj-y += board.o
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obj-y += clock.o
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obj-y += cpu_info.o
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obj-y += dram_helpers.o
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obj-y += pinmux.o
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obj-$(CONFIG_SUN6I_P2WI) += p2wi.o
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obj-$(CONFIG_SUN6I_PRCM) += prcm.o
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obj-$(CONFIG_AXP_PMIC_BUS) += pmic_bus.o
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obj-$(CONFIG_SUN8I_RSB) += rsb.o
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obj-$(CONFIG_MACH_SUN4I) += clock_sun4i.o
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obj-$(CONFIG_MACH_SUN5I) += clock_sun4i.o
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obj-$(CONFIG_MACH_SUN6I) += clock_sun6i.o
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obj-$(CONFIG_MACH_SUN7I) += clock_sun4i.o
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obj-$(CONFIG_MACH_SUN50I) += clock_sun6i.o
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ifdef CONFIG_MACH_SUN8I_A83T
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obj-y += clock_sun8i_a83t.o
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else
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obj-$(CONFIG_MACH_SUN8I) += clock_sun6i.o
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endif
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obj-$(CONFIG_MACH_SUN9I) += clock_sun9i.o gtbus_sun9i.o
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obj-$(CONFIG_MACH_SUN50I_H6) += clock_sun50i_h6.o
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ifdef CONFIG_SPL_BUILD
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obj-$(CONFIG_DRAM_SUN4I) += dram_sun4i.o
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obj-$(CONFIG_DRAM_SUN6I) += dram_sun6i.o
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obj-$(CONFIG_DRAM_SUN8I_A23) += dram_sun8i_a23.o
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obj-$(CONFIG_DRAM_SUN8I_A33) += dram_sun8i_a33.o
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obj-$(CONFIG_DRAM_SUN8I_A83T) += dram_sun8i_a83t.o
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obj-$(CONFIG_DRAM_SUN9I) += dram_sun9i.o
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obj-$(CONFIG_SPL_SPI_SUNXI) += spl_spi_sunxi.o
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obj-$(CONFIG_SUNXI_DRAM_DW) += dram_sunxi_dw.o
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obj-$(CONFIG_SUNXI_DRAM_DW) += dram_timings/
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obj-$(CONFIG_DRAM_SUN50I_H6) += dram_sun50i_h6.o
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endif
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