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As this symbol can either be a fixed value or the function get_board_ddr_clk, migration is tricky. Introduce a choice of DYNAMIC or STATIC_DDR_CLK_FREQ. If DYNAMIC, we continue to use the board defined get_board_ddr_clk function. If STATIC, set CONFIG_DDR_CLK_FREQ to that value and now include/clock_legacy.h contains the function prototype or defines get_board_ddr_clk() to that static value. Update callers to test for DYNAMIC or STATIC. Signed-off-by: Tom Rini <trini@konsulko.com>
34 lines
974 B
Text
34 lines
974 B
Text
choice
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prompt "Method to determine DDR clock frequency"
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default STATIC_DDR_CLK_FREQ
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depends on ARCH_P1010 || ARCH_P1020 || ARCH_P2020 || ARCH_T1024 \
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|| ARCH_T1042 || ARCH_T2080 || ARCH_T4240 || ARCH_LS1021A \
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|| FSL_LSCH2 || FSL_LSCH3 || TARGET_KMCENT2
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help
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The DDR clock frequency can either be defined statically now at
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build time, or can be determined at run-time via the
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get_board_ddr_clk function.
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config DYNAMIC_DDR_CLK_FREQ
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bool "Run-time DDR clock frequency"
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config STATIC_DDR_CLK_FREQ
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bool "Build-time static DDR clock frequency"
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endchoice
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config DDR_CLK_FREQ
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int "DDR clock frequency in Hz"
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depends on STATIC_DDR_CLK_FREQ
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default 100000000
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help
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The DDR clock frequency, specified in Hz.
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config DDR_SPD
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bool "JEDEC Serial Presence Detect (SPD) support"
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help
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For memory controllers that can utilize it, add enable support for
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using the JEDEC SDP standard.
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source "drivers/ddr/altera/Kconfig"
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source "drivers/ddr/imx/Kconfig"
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