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9934aba427
Allwinner SoCs after H3 (e.g. A64, H5, R40, V3s) uses a H3-like DesignWare DRAM controller, which do not have official free DRAM initialization code, but can use modified dram_sun8i_h3.c. Add a invisible option for easier DRAM initialization code reuse. Signed-off-by: Icenowy Zheng <icenowy@aosc.xyz> Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com> Reviewed-by: Jagan Teki <jagan@amarulasolutions.com> Tested-by: Jagan Teki <jagan@amarulasolutions.com>
40 lines
1013 B
C
40 lines
1013 B
C
/*
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* (C) Copyright 2007-2012
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* Allwinner Technology Co., Ltd. <www.allwinnertech.com>
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* Berg Xing <bergxing@allwinnertech.com>
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* Tom Cubie <tangliang@allwinnertech.com>
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*
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* Sunxi platform dram register definition.
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#ifndef _SUNXI_DRAM_H
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#define _SUNXI_DRAM_H
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#include <asm/io.h>
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#include <linux/types.h>
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/* dram regs definition */
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#if defined(CONFIG_MACH_SUN6I)
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#include <asm/arch/dram_sun6i.h>
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#elif defined(CONFIG_MACH_SUN8I_A23)
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#include <asm/arch/dram_sun8i_a23.h>
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#elif defined(CONFIG_MACH_SUN8I_A33)
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#include <asm/arch/dram_sun8i_a33.h>
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#elif defined(CONFIG_MACH_SUN8I_A83T)
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#include <asm/arch/dram_sun8i_a83t.h>
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#elif defined(CONFIG_SUNXI_DRAM_DW)
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#include <asm/arch/dram_sunxi_dw.h>
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#elif defined(CONFIG_MACH_SUN9I)
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#include <asm/arch/dram_sun9i.h>
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#else
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#include <asm/arch/dram_sun4i.h>
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#endif
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unsigned long sunxi_dram_init(void);
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void mctl_await_completion(u32 *reg, u32 mask, u32 val);
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bool mctl_mem_matches(u32 offset);
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#endif /* _SUNXI_DRAM_H */
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