forked from Mirrors/opensbi
lib: sbi: Simplify system reset platform operations
Instead of having system_reset_check() and system_reset() callbacks in platform operations, it will be much simpler for reset driver to directly register these operations as a device to the sbi_system implementation. Signed-off-by: Anup Patel <anup.patel@wdc.com> Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
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@@ -127,11 +127,6 @@ struct sbi_platform_operations {
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*/
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int (*hart_suspend)(u32 suspend_type, ulong raddr);
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/* Check whether reset type and reason supported by the platform */
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int (*system_reset_check)(u32 reset_type, u32 reset_reason);
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/** Reset the platform */
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void (*system_reset)(u32 reset_type, u32 reset_reason);
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/** platform specific SBI extension implementation probe function */
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int (*vendor_ext_check)(long extid);
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/** platform specific SBI extension implementation provider */
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@@ -572,41 +567,6 @@ static inline void sbi_platform_timer_exit(const struct sbi_platform *plat)
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sbi_platform_ops(plat)->timer_exit();
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}
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/**
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* Check whether reset type and reason supported by the platform
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*
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* @param plat pointer to struct sbi_platform
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* @param reset_type type of reset
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* @param reset_reason reason for reset
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*
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* @return 0 if reset type and reason not supported and 1 if supported
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*/
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static inline int sbi_platform_system_reset_check(
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const struct sbi_platform *plat,
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u32 reset_type, u32 reset_reason)
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{
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if (plat && sbi_platform_ops(plat)->system_reset_check)
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return sbi_platform_ops(plat)->system_reset_check(reset_type,
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reset_reason);
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return 0;
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}
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/**
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* Reset the platform
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*
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* This function will not return for supported reset type and reset reason
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*
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* @param plat pointer to struct sbi_platform
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* @param reset_type type of reset
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* @param reset_reason reason for reset
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*/
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static inline void sbi_platform_system_reset(const struct sbi_platform *plat,
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u32 reset_type, u32 reset_reason)
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{
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if (plat && sbi_platform_ops(plat)->system_reset)
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sbi_platform_ops(plat)->system_reset(reset_type, reset_reason);
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}
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/**
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* Check if a vendor extension is implemented or not.
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*
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@@ -12,6 +12,22 @@
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#include <sbi/sbi_types.h>
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/** System reset hardware device */
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struct sbi_system_reset_device {
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/** Name of the system reset device */
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char name[32];
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/* Check whether reset type and reason supported by the device */
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int (*system_reset_check)(u32 reset_type, u32 reset_reason);
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/** Reset the system */
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void (*system_reset)(u32 reset_type, u32 reset_reason);
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};
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const struct sbi_system_reset_device *sbi_system_reset_get_device(void);
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void sbi_system_reset_set_device(const struct sbi_system_reset_device *dev);
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bool sbi_system_reset_supported(u32 reset_type, u32 reset_reason);
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void __noreturn sbi_system_reset(u32 reset_type, u32 reset_reason);
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