firmware: xilinx: Add APIs to read/write GGS/PGGS registers

Add APIs to read/write PGGS and GGS registers.

Rajan Vaja committed 6 years ago

Commit 4f680b71 parent 4db81802 files · +90 −0Browse files

Showing the changes to include/linux (1 of 2 files). Show all

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@@ -107,6 +107,10 @@ enum pm_ioctl_id { · 106 unmodified lines
107	107	IOCTL_GET_PLL_FRAC_MODE,
108	108	IOCTL_SET_PLL_FRAC_DATA,
109	109	IOCTL_GET_PLL_FRAC_DATA,
	110	+ IOCTL_WRITE_GGS = 12,
	111	+ IOCTL_READ_GGS = 13,
	112	+ IOCTL_WRITE_PGGS = 14,
	113	+ IOCTL_READ_PGGS = 15,
110	114	};
111	115
112	116	enum pm_query_id {
@@ -330,6 +334,10 @@ int zynqmp_pm_set_requirement(const u32 node, const u32 capabilities, · 217 unmodified lines
330	334	int zynqmp_pm_aes_engine(const u64 address, u32 *out);
331	335	int zynqmp_pm_fpga_load(const u64 address, const u32 size, const u32 flags);
332	336	int zynqmp_pm_fpga_get_status(u32 *value);
	337	+int zynqmp_pm_write_ggs(u32 index, u32 value);
	338	+int zynqmp_pm_read_ggs(u32 index, u32 *value);
	339	+int zynqmp_pm_write_pggs(u32 index, u32 value);
	340	+int zynqmp_pm_read_pggs(u32 index, u32 *value);
333	341	#else
334	342	static inline struct zynqmp_eemi_ops *zynqmp_pm_get_eemi_ops(void)
335	343	{
@@ -456,6 +464,22 @@ static inline int zynqmp_pm_fpga_get_status(u32 *value) · 120 unmodified lines
456	464	{
457	465	return -ENODEV;
458	466	}
	467	+static inline int zynqmp_pm_write_ggs(u32 index, u32 value)
	468	+{
	469	+ return -ENODEV;
	470	+}
	471	+static inline int zynqmp_pm_read_ggs(u32 index, u32 *value)
	472	+{
	473	+ return -ENODEV;
	474	+}
	475	+static inline int zynqmp_pm_write_pggs(u32 index, u32 value)
	476	+{
	477	+ return -ENODEV;
	478	+}
	479	+static inline int zynqmp_pm_read_pggs(u32 index, u32 *value)
	480	+{
	481	+ return -ENODEV;
	482	+}
459	483	#endif
460	484
461	485	#endif /* __FIRMWARE_ZYNQMP_H__ */