On Fri, Apr 30, 2021 at 3:40 PM Siew Chin Lim elly.siew.chin.lim@intel.com wrote:
Add memory clock manager driver for N5X. Provides memory clock initialization and enable functions.
Signed-off-by: Siew Chin Lim elly.siew.chin.lim@intel.com
v2:
- common.h need to be included before clock_manager.h
- For consistency, use small letter fo 0x0c and 0x1c in macros
drivers/clk/altera/Makefile | 1 + drivers/clk/altera/clk-mem-n5x.c | 136 +++++++++++++++++++++++++++++++ drivers/clk/altera/clk-mem-n5x.h | 84 +++++++++++++++++++ 3 files changed, 221 insertions(+) create mode 100644 drivers/clk/altera/clk-mem-n5x.c create mode 100644 drivers/clk/altera/clk-mem-n5x.h
[...]
+
+/* Clock Manager registers */ +#define MEMCLKMGR_STAT 4 +#define MEMCLKMGR_INTRGEN 8 +#define MEMCLKMGR_INTRMSK 0x0c +#define MEMCLKMGR_INTRCLR 0x10 +#define MEMCLKMGR_INTRSTS 0x14 +#define MEMCLKMGR_INTRSTK 0x18 +#define MEMCLKMGR_INTRRAW 0x1c
+/* Memory Clock Manager PPL group registers */ +#define MEMCLKMGR_MEMPLL_EN 0x20 +#define MEMCLKMGR_MEMPLL_ENS 0x24 +#define MEMCLKMGR_MEMPLL_ENR 0x28 +#define MEMCLKMGR_MEMPLL_BYPASS 0x2c +#define MEMCLKMGR_MEMPLL_BYPASSS 0x30 +#define MEMCLKMGR_MEMPLL_BYPASSR 0x34 +#define MEMCLKMGR_MEMPLL_MEMDIV 0x38 +#define MEMCLKMGR_MEMPLL_PLLGLOB 0x3c +#define MEMCLKMGR_MEMPLL_PLLCTRL 0x40 +#define MEMCLKMGR_MEMPLL_PLLDIV 0x44 +#define MEMCLKMGR_MEMPLL_PLLOUTDIV 0x48 +#define MEMCLKMGR_MEMPLL_EXTCNTRST 0x4c
+#define MEMCLKMGR_CTRL_BOOTMODE BIT(0)
+#define MEMCLKMGR_STAT_MEMPLL_LOCKED BIT(8)
+#define MEMCLKMGR_STAT_ALLPLL_LOCKED_MASK \
(MEMCLKMGR_STAT_MEMPLL_LOCKED)+#define MEMCLKMGR_INTER_MEMPLLLOCKED_MASK 0x00000001 +#define MEMCLKMGR_INTER_MEMPLLLOST_MASK 0x00000004
Use BIT() macro.
+#define MEMCLKMGR_BYPASS_MEMPLL_ALL 0x1
+#define MEMCLKMGR_MEMDIV_MPFEDIV_OFFSET 0 +#define MEMCLKMGR_MEMDIV_APBDIV_OFFSET 4 +#define MEMCLKMGR_MEMDIV_DFICTRLDIV_OFFSET 8 +#define MEMCLKMGR_MEMDIV_DFIDIV_OFFSET 12 +#define MEMCLKMGR_MEMDIV_DFICTRLDIV_MASK 0x1
Use BIT() macro.
+#define MEMCLKMGR_MEMDIV_DIVIDER_MASK 0x3
Use GENMASK().
+#define MEMCLKMGR_PLLGLOB_PSRC_MASK GENMASK(17, 16) +#define MEMCLKMGR_PLLGLOB_PSRC_OFFSET 16 +#define MEMCLKMGR_PLLGLOB_LOSTLOCK_BYPASS_EN_MASK BIT(28) +#define MEMCLKMGR_PLLGLOB_CLR_LOSTLOCK_BYPASS_MASK BIT(29)
+#define MEMCLKMGR_PSRC_EOSC1 0 +#define MEMCLKMGR_PSRC_INTOSC 1 +#define MEMCLKMGR_PSRC_F2S 2
+#define MEMCLKMGR_PLLCTRL_BYPASS_MASK BIT(0) +#define MEMCLKMGR_PLLCTRL_RST_N_MASK BIT(1)
+#define MEMCLKMGR_PLLDIV_DIVR_MASK GENMASK(5, 0) +#define MEMCLKMGR_PLLDIV_DIVF_MASK GENMASK(16, 8) +#define MEMCLKMGR_PLLDIV_DIVQ_MASK GENMASK(26, 24) +#define MEMCLKMGR_PLLDIV_RANGE_MASK GENMASK(30, 28)
+#define MEMCLKMGR_PLLDIV_DIVR_OFFSET 0 +#define MEMCLKMGR_PLLDIV_DIVF_OFFSET 8 +#define MEMCLKMGR_PLLDIV_DIVQ_QDIV_OFFSET 24 +#define MEMCLKMGR_PLLDIV_RANGE_OFFSET 28
+#define MEMCLKMGR_PLLOUTDIV_C0CNT_MASK GENMASK(4, 0) +#define MEMCLKMGR_PLLOUTDIV_C0CNT_OFFSET 0
+#define MEMCLKMGR_EXTCNTRST_C0CNTRST BIT(7) +#define MEMCLKMGR_EXTCNTRST_ALLCNTRST \
(MEMCLKMGR_EXTCNTRST_C0CNTRST)+#endif /* _CLK_MEM_N5X_ */
2.19.0