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arm: socfpga: reset: Add function to reset add peripherals
Add socfpga_per_reset_all() function to reset all peripherals but the L4 watchdog. This is needed in the SPL. Signed-off-by: Marek Vasut <marex@denx.de>
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@ -13,6 +13,7 @@ void reset_deassert_peripherals_handoff(void);
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void socfpga_bridges_reset(int enable);
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void socfpga_bridges_reset(int enable);
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void socfpga_per_reset(u32 reset, int set);
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void socfpga_per_reset(u32 reset, int set);
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void socfpga_per_reset_all(void);
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struct socfpga_reset_manager {
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struct socfpga_reset_manager {
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u32 status;
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u32 status;
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@ -39,6 +39,19 @@ void socfpga_per_reset(u32 reset, int set)
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clrbits_le32(reg, 1 << RSTMGR_RESET(reset));
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clrbits_le32(reg, 1 << RSTMGR_RESET(reset));
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}
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}
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/*
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* Assert reset on every peripheral but L4WD0.
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* Watchdog must be kept intact to prevent glitches
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* and/or hangs.
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*/
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void socfpga_per_reset_all(void)
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{
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const u32 l4wd0 = 1 << RSTMGR_RESET(SOCFPGA_RESET(L4WD0));
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writel(~l4wd0, &reset_manager_base->per_mod_reset);
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writel(0xffffffff, &reset_manager_base->per2_mod_reset);
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}
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/*
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/*
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* Write the reset manager register to cause reset
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* Write the reset manager register to cause reset
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*/
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*/
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