diff options
Diffstat (limited to 'sys/arm/include/pl310.h')
| -rw-r--r-- | sys/arm/include/pl310.h | 123 |
1 files changed, 122 insertions, 1 deletions
diff --git a/sys/arm/include/pl310.h b/sys/arm/include/pl310.h index 98df53c..9a6b159 100644 --- a/sys/arm/include/pl310.h +++ b/sys/arm/include/pl310.h @@ -29,10 +29,131 @@ #ifndef PL310_H_ #define PL310_H_ + +/** + * PL310 - L2 Cache Controller register offsets. + * + */ +#define PL310_CACHE_ID 0x000 +#define CACHE_ID_RELEASE_SHIFT 0 +#define CACHE_ID_RELEASE_MASK 0x3f +#define CACHE_ID_PARTNUM_SHIFT 6 +#define CACHE_ID_PARTNUM_MASK 0xf +#define PL310_CACHE_TYPE 0x004 +#define PL310_CTRL 0x100 +#define CTRL_ENABLED 0x01 +#define CTRL_DISABLED 0x00 +#define PL310_AUX_CTRL 0x104 +#define AUX_CTRL_MASK 0xc0000fff +#define AUX_CTRL_ASSOCIATIVITY_SHIFT 16 +#define AUX_CTRL_WAY_SIZE_SHIFT 17 +#define AUX_CTRL_WAY_SIZE_MASK (0x7 << 17) +#define AUX_CTRL_SHARE_OVERRIDE (1 << 22) +#define AUX_CTRL_NS_LOCKDOWN (1 << 26) +#define AUX_CTRL_NS_INT_CTRL (1 << 27) +#define AUX_CTRL_DATA_PREFETCH (1 << 28) +#define AUX_CTRL_INSTR_PREFETCH (1 << 29) +#define AUX_CTRL_EARLY_BRESP (1 << 30) +#define PL310_EVENT_COUNTER_CTRL 0x200 +#define EVENT_COUNTER_CTRL_ENABLED (1 << 0) +#define EVENT_COUNTER_CTRL_C0_RESET (1 << 1) +#define EVENT_COUNTER_CTRL_C1_RESET (1 << 2) +#define PL310_EVENT_COUNTER1_CONF 0x204 +#define PL310_EVENT_COUNTER0_CONF 0x208 +#define EVENT_COUNTER_CONF_NOINTR 0 +#define EVENT_COUNTER_CONF_INCR 1 +#define EVENT_COUNTER_CONF_OVFW 2 +#define EVENT_COUNTER_CONF_NOEV (0 << 2) +#define EVENT_COUNTER_CONF_CO (1 << 2) +#define EVENT_COUNTER_CONF_DRHIT (2 << 2) +#define EVENT_COUNTER_CONF_DRREQ (3 << 2) +#define EVENT_COUNTER_CONF_DWHIT (4 << 2) +#define EVENT_COUNTER_CONF_DWREQ (5 << 2) +#define EVENT_COUNTER_CONF_DWTREQ (6 << 2) +#define EVENT_COUNTER_CONF_DIRHIT (7 << 2) +#define EVENT_COUNTER_CONF_DIRREQ (8 << 2) +#define EVENT_COUNTER_CONF_WA (9 << 2) +#define PL310_EVENT_COUNTER1_VAL 0x20C +#define PL310_EVENT_COUNTER0_VAL 0x210 +#define PL310_INTR_MASK 0x214 +#define PL310_MASKED_INTR_STAT 0x218 +#define PL310_RAW_INTR_STAT 0x21C +#define PL310_INTR_CLEAR 0x220 +#define INTR_MASK_ALL ((1 << 9) - 1) +#define INTR_MASK_ECNTR (1 << 0) +#define INTR_MASK_PARRT (1 << 1) +#define INTR_MASK_PARRD (1 << 2) +#define INTR_MASK_ERRWT (1 << 3) +#define INTR_MASK_ERRWD (1 << 4) +#define INTR_MASK_ERRRT (1 << 5) +#define INTR_MASK_ERRRD (1 << 6) +#define INTR_MASK_SLVERR (1 << 7) +#define INTR_MASK_DECERR (1 << 8) +#define PL310_CACHE_SYNC 0x730 +#define PL310_INV_LINE_PA 0x770 +#define PL310_INV_WAY 0x77C +#define PL310_CLEAN_LINE_PA 0x7B0 +#define PL310_CLEAN_LINE_IDX 0x7B8 +#define PL310_CLEAN_WAY 0x7BC +#define PL310_CLEAN_INV_LINE_PA 0x7F0 +#define PL310_CLEAN_INV_LINE_IDX 0x7F8 +#define PL310_CLEAN_INV_WAY 0x7FC +#define PL310_LOCKDOWN_D_WAY(x) (0x900 + ((x) * 8)) +#define PL310_LOCKDOWN_I_WAY(x) (0x904 + ((x) * 8)) +#define PL310_LOCKDOWN_LINE_ENABLE 0x950 +#define PL310_UNLOCK_ALL_LINES_WAY 0x954 +#define PL310_ADDR_FILTER_STAR 0xC00 +#define PL310_ADDR_FILTER_END 0xC04 +#define PL310_DEBUG_CTRL 0xF40 +#define PL310_PREFETCH_CTRL 0xF60 +#define PREFETCH_CTRL_OFFSET_MASK (0x1f) +#define PREFETCH_CTRL_NOTSAMEID (1 << 21) +#define PREFETCH_CTRL_INCR_DL (1 << 23) +#define PREFETCH_CTRL_PREFETCH_DROP (1 << 24) +#define PREFETCH_CTRL_DL_ON_WRAP (1 << 27) +#define PREFETCH_CTRL_DATA_PREFETCH (1 << 28) +#define PREFETCH_CTRL_INSTR_PREFETCH (1 << 29) +#define PREFETCH_CTRL_DL (1 << 30) +#define PL310_POWER_CTRL 0xF60 + struct pl310_softc { + device_t sc_dev; struct resource *sc_mem_res; + struct resource *sc_irq_res; + void* sc_irq_h; + int sc_enabled; + struct mtx sc_mtx; }; -void platform_init_pl310(struct pl310_softc *sc); +/** + * pl310_read4 - read a 32-bit value from the PL310 registers + * pl310_write4 - write a 32-bit value from the PL310 registers + * @off: byte offset within the register set to read from + * @val: the value to write into the register + * + * + * LOCKING: + * None + * + * RETURNS: + * nothing in case of write function, if read function returns the value read. + */ +static __inline uint32_t +pl310_read4(struct pl310_softc *sc, bus_size_t off) +{ + + return bus_read_4(sc->sc_mem_res, off); +} + +static __inline void +pl310_write4(struct pl310_softc *sc, bus_size_t off, uint32_t val) +{ + + bus_write_4(sc->sc_mem_res, off, val); +} + +void platform_pl310_init(struct pl310_softc *); +void platform_pl310_write_ctrl(struct pl310_softc *, uint32_t); +void platform_pl310_write_debug(struct pl310_softc *, uint32_t); #endif /* PL310_H_ */ |
