diff options
Diffstat (limited to 'drivers/thunderbolt/nhi_regs.h')
| -rw-r--r-- | drivers/thunderbolt/nhi_regs.h | 19 |
1 files changed, 12 insertions, 7 deletions
diff --git a/drivers/thunderbolt/nhi_regs.h b/drivers/thunderbolt/nhi_regs.h index 6ba295815477..297a3e440648 100644 --- a/drivers/thunderbolt/nhi_regs.h +++ b/drivers/thunderbolt/nhi_regs.h @@ -37,7 +37,7 @@ struct ring_desc { /* NHI registers in bar 0 */ /* - * 16 bytes per entry, one entry for every hop (REG_HOP_COUNT) + * 16 bytes per entry, one entry for every hop (REG_CAPS) * 00: physical pointer to an array of struct ring_desc * 08: ring tail (set by NHI) * 10: ring head (index of first non posted descriptor) @@ -46,7 +46,7 @@ struct ring_desc { #define REG_TX_RING_BASE 0x00000 /* - * 16 bytes per entry, one entry for every hop (REG_HOP_COUNT) + * 16 bytes per entry, one entry for every hop (REG_CAPS) * 00: physical pointer to an array of struct ring_desc * 08: ring head (index of first not posted descriptor) * 10: ring tail (set by NHI) @@ -56,7 +56,7 @@ struct ring_desc { #define REG_RX_RING_BASE 0x08000 /* - * 32 bytes per entry, one entry for every hop (REG_HOP_COUNT) + * 32 bytes per entry, one entry for every hop (REG_CAPS) * 00: enum_ring_flags * 04: isoch time stamp ?? (write 0) * ..: unknown @@ -64,7 +64,7 @@ struct ring_desc { #define REG_TX_OPTIONS_BASE 0x19800 /* - * 32 bytes per entry, one entry for every hop (REG_HOP_COUNT) + * 32 bytes per entry, one entry for every hop (REG_CAPS) * 00: enum ring_flags * If RING_FLAG_E2E_FLOW_CONTROL is set then bits 13-23 must be set to * the corresponding TX hop id. @@ -77,7 +77,7 @@ struct ring_desc { /* * three bitfields: tx, rx, rx overflow - * Every bitfield contains one bit for every hop (REG_HOP_COUNT). + * Every bitfield contains one bit for every hop (REG_CAPS). * New interrupts are fired only after ALL registers have been * read (even those containing only disabled rings). */ @@ -87,7 +87,7 @@ struct ring_desc { /* * two bitfields: rx, tx - * Both bitfields contains one bit for every hop (REG_HOP_COUNT). To + * Both bitfields contains one bit for every hop (REG_CAPS). To * enable/disable interrupts set/clear the corresponding bits. */ #define REG_RING_INTERRUPT_BASE 0x38200 @@ -104,12 +104,17 @@ struct ring_desc { #define REG_INT_VEC_ALLOC_REGS (32 / REG_INT_VEC_ALLOC_BITS) /* The last 11 bits contain the number of hops supported by the NHI port. */ -#define REG_HOP_COUNT 0x39640 +#define REG_CAPS 0x39640 +#define REG_CAPS_VERSION_MASK GENMASK(23, 16) +#define REG_CAPS_VERSION_2 0x40 #define REG_DMA_MISC 0x39864 #define REG_DMA_MISC_INT_AUTO_CLEAR BIT(2) #define REG_DMA_MISC_DISABLE_AUTO_CLEAR BIT(17) +#define REG_RESET 0x39898 +#define REG_RESET_HRR BIT(0) + #define REG_INMAIL_DATA 0x39900 #define REG_INMAIL_CMD 0x39904 |