Add a bunch of small lan969x ops in bulk. These ops are explained in detail in a previous series [1]. [1] https://lore.kernel.org/netdev/20241004-b4-sparx5-lan969x-switch-driver-v2-8-d3290f581663@xxxxxxxxxxxxx/ Reviewed-by: Steen Hegelund <Steen.Hegelund@xxxxxxxxxxxxx> Signed-off-by: Daniel Machon <daniel.machon@xxxxxxxxxxxxx> --- drivers/net/ethernet/microchip/lan969x/lan969x.c | 122 +++++++++++++++++++++++ drivers/net/ethernet/microchip/lan969x/lan969x.h | 28 ++++++ 2 files changed, 150 insertions(+) diff --git a/drivers/net/ethernet/microchip/lan969x/lan969x.c b/drivers/net/ethernet/microchip/lan969x/lan969x.c index 19f91e4a9f3e..2c2b86f9144e 100644 --- a/drivers/net/ethernet/microchip/lan969x/lan969x.c +++ b/drivers/net/ethernet/microchip/lan969x/lan969x.c @@ -6,6 +6,9 @@ #include "lan969x.h" +#define LAN969X_SDLB_GRP_CNT 5 +#define LAN969X_HSCH_LEAK_GRP_CNT 4 + static const struct sparx5_main_io_resource lan969x_main_iomap[] = { { TARGET_CPU, 0xc0000, 0 }, /* 0xe00c0000 */ { TARGET_FDMA, 0xc0400, 0 }, /* 0xe00c0400 */ @@ -92,6 +95,112 @@ static const struct sparx5_main_io_resource lan969x_main_iomap[] = { { TARGET_ASM, 0x3200000, 1 }, /* 0xe3200000 */ }; +static struct sparx5_sdlb_group lan969x_sdlb_groups[LAN969X_SDLB_GRP_CNT] = { + { 1000000000, 8192 / 2, 64 }, /* 1 G */ + { 500000000, 8192 / 2, 64 }, /* 500 M */ + { 100000000, 8192 / 4, 64 }, /* 100 M */ + { 50000000, 8192 / 4, 64 }, /* 50 M */ + { 5000000, 8192 / 8, 64 }, /* 10 M */ +}; + +static u32 lan969x_hsch_max_group_rate[LAN969X_HSCH_LEAK_GRP_CNT] = { + 655355, 1048568, 6553550, 10485680 +}; + +static struct sparx5_sdlb_group *lan969x_get_sdlb_group(int idx) +{ + return &lan969x_sdlb_groups[idx]; +} + +static u32 lan969x_get_hsch_max_group_rate(int grp) +{ + return lan969x_hsch_max_group_rate[grp]; +} + +static u32 lan969x_get_dev_mode_bit(struct sparx5 *sparx5, int port) +{ + if (lan969x_port_is_2g5(port) || lan969x_port_is_5g(port)) + return port; + + /* 10G */ + switch (port) { + case 0: + return 12; + case 4: + return 13; + case 8: + return 14; + case 12: + return 0; + default: + return port; + } +} + +static u32 lan969x_port_dev_mapping(struct sparx5 *sparx5, int port) +{ + if (lan969x_port_is_5g(port)) { + switch (port) { + case 9: + return 0; + case 13: + return 1; + case 17: + return 2; + case 21: + return 3; + } + } + + if (lan969x_port_is_10g(port)) { + switch (port) { + case 0: + return 0; + case 4: + return 1; + case 8: + return 2; + case 12: + return 3; + case 16: + return 4; + case 20: + return 5; + case 24: + return 6; + case 25: + return 7; + case 26: + return 8; + case 27: + return 9; + } + } + + /* 2g5 port */ + return port; +} + +static int lan969x_port_mux_set(struct sparx5 *sparx5, struct sparx5_port *port, + struct sparx5_port_config *conf) +{ + u32 portno = port->portno; + u32 inst; + + if (port->conf.portmode == conf->portmode) + return 0; /* Nothing to do */ + + switch (conf->portmode) { + case PHY_INTERFACE_MODE_QSGMII: /* QSGMII: 4x2G5 devices. Mode Q' */ + inst = (portno - portno % 4) / 4; + spx5_rmw(BIT(inst), BIT(inst), sparx5, PORT_CONF_QSGMII_ENA); + break; + default: + break; + } + return 0; +} + static const struct sparx5_regs lan969x_regs = { .tsize = lan969x_tsize, .gaddr = lan969x_gaddr, @@ -123,12 +232,25 @@ static const struct sparx5_consts lan969x_consts = { .tod_pin = 4, }; +static const struct sparx5_ops lan969x_ops = { + .is_port_2g5 = &lan969x_port_is_2g5, + .is_port_5g = &lan969x_port_is_5g, + .is_port_10g = &lan969x_port_is_10g, + .is_port_25g = &lan969x_port_is_25g, + .get_port_dev_index = &lan969x_port_dev_mapping, + .get_port_dev_bit = &lan969x_get_dev_mode_bit, + .get_hsch_max_group_rate = &lan969x_get_hsch_max_group_rate, + .get_sdlb_group = &lan969x_get_sdlb_group, + .set_port_mux = &lan969x_port_mux_set, +}; + const struct sparx5_match_data lan969x_desc = { .iomap = lan969x_main_iomap, .iomap_size = ARRAY_SIZE(lan969x_main_iomap), .ioranges = 2, .regs = &lan969x_regs, .consts = &lan969x_consts, + .ops = &lan969x_ops, }; EXPORT_SYMBOL_GPL(lan969x_desc); diff --git a/drivers/net/ethernet/microchip/lan969x/lan969x.h b/drivers/net/ethernet/microchip/lan969x/lan969x.h index 3b4c9ea30071..ee890b26ea79 100644 --- a/drivers/net/ethernet/microchip/lan969x/lan969x.h +++ b/drivers/net/ethernet/microchip/lan969x/lan969x.h @@ -23,4 +23,32 @@ extern const unsigned int lan969x_gsize[GSIZE_LAST]; extern const unsigned int lan969x_fpos[FPOS_LAST]; extern const unsigned int lan969x_fsize[FSIZE_LAST]; +static inline bool lan969x_port_is_2g5(int portno) +{ + return portno == 1 || portno == 2 || portno == 3 || + portno == 5 || portno == 6 || portno == 7 || + portno == 10 || portno == 11 || portno == 14 || + portno == 15 || portno == 18 || portno == 19 || + portno == 22 || portno == 23; +} + +static inline bool lan969x_port_is_5g(int portno) +{ + return portno == 9 || portno == 13 || portno == 17 || + portno == 21; +} + +static inline bool lan969x_port_is_10g(int portno) +{ + return portno == 0 || portno == 4 || portno == 8 || + portno == 12 || portno == 16 || portno == 20 || + portno == 24 || portno == 25 || portno == 26 || + portno == 27; +} + +static inline bool lan969x_port_is_25g(int portno) +{ + return false; +} + #endif -- 2.34.1
