diff options
Diffstat (limited to 'drivers/net/dsa/lan9303-core.c')
-rw-r--r-- | drivers/net/dsa/lan9303-core.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/net/dsa/lan9303-core.c b/drivers/net/dsa/lan9303-core.c index 9d0ab77edb4a..96ebeb9bd59a 100644 --- a/drivers/net/dsa/lan9303-core.c +++ b/drivers/net/dsa/lan9303-core.c @@ -20,6 +20,9 @@ #include "lan9303.h" +/* 13.2 System Control and Status Registers + * Multiply register number by 4 to get address offset. + */ #define LAN9303_CHIP_REV 0x14 # define LAN9303_CHIP_ID 0x9303 #define LAN9303_IRQ_CFG 0x15 @@ -53,6 +56,9 @@ #define LAN9303_VIRT_PHY_BASE 0x70 #define LAN9303_VIRT_SPECIAL_CTRL 0x77 +/*13.4 Switch Fabric Control and Status Registers + * Accessed indirectly via SWITCH_CSR_CMD, SWITCH_CSR_DATA. + */ #define LAN9303_SW_DEV_ID 0x0000 #define LAN9303_SW_RESET 0x0001 #define LAN9303_SW_RESET_RESET BIT(0) |