diff options
| author | Rafał Miłecki <rafal@milecki.pl> | 2021-01-06 22:32:02 +0100 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2021-01-09 19:18:10 -0800 |
| commit | 73b7a6047971aa6ce4a70fc4901964d14f077171 (patch) | |
| tree | bd8d594e21b1235e5de776d6518812c9dcdc4588 /drivers/net/dsa/bcm_sf2.c | |
| parent | 41bb4b08778351f2f1ae01a0bc46cd33cb95da6a (diff) | |
net: dsa: bcm_sf2: support BCM4908's integrated switch
BCM4908 family SoCs come with integrated Starfighter 2 switch. Its
registers layout it a mix of BCM7278 and BCM7445. It has 5 integrated
PHYs and 8 ports. It also supports RGMII and SerDes.
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Link: https://lore.kernel.org/r/20210106213202.17459-3-zajec5@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers/net/dsa/bcm_sf2.c')
| -rw-r--r-- | drivers/net/dsa/bcm_sf2.c | 36 |
1 files changed, 33 insertions, 3 deletions
diff --git a/drivers/net/dsa/bcm_sf2.c b/drivers/net/dsa/bcm_sf2.c index 1e9a0adda2d6..65c8a044f222 100644 --- a/drivers/net/dsa/bcm_sf2.c +++ b/drivers/net/dsa/bcm_sf2.c @@ -105,7 +105,8 @@ static void bcm_sf2_imp_setup(struct dsa_switch *ds, int port) b53_brcm_hdr_setup(ds, port); if (port == 8) { - if (priv->type == BCM7445_DEVICE_ID) + if (priv->type == BCM4908_DEVICE_ID || + priv->type == BCM7445_DEVICE_ID) offset = CORE_STS_OVERRIDE_IMP; else offset = CORE_STS_OVERRIDE_IMP2; @@ -715,7 +716,8 @@ static void bcm_sf2_sw_mac_link_down(struct dsa_switch *ds, int port, u32 reg, offset; if (port != core_readl(priv, CORE_IMP0_PRT_ID)) { - if (priv->type == BCM7445_DEVICE_ID) + if (priv->type == BCM4908_DEVICE_ID || + priv->type == BCM7445_DEVICE_ID) offset = CORE_STS_OVERRIDE_GMIIP_PORT(port); else offset = CORE_STS_OVERRIDE_GMIIP2_PORT(port); @@ -742,7 +744,8 @@ static void bcm_sf2_sw_mac_link_up(struct dsa_switch *ds, int port, bcm_sf2_sw_mac_link_set(ds, port, interface, true); if (port != core_readl(priv, CORE_IMP0_PRT_ID)) { - if (priv->type == BCM7445_DEVICE_ID) + if (priv->type == BCM4908_DEVICE_ID || + priv->type == BCM7445_DEVICE_ID) offset = CORE_STS_OVERRIDE_GMIIP_PORT(port); else offset = CORE_STS_OVERRIDE_GMIIP2_PORT(port); @@ -1135,6 +1138,30 @@ struct bcm_sf2_of_data { unsigned int num_cfp_rules; }; +static const u16 bcm_sf2_4908_reg_offsets[] = { + [REG_SWITCH_CNTRL] = 0x00, + [REG_SWITCH_STATUS] = 0x04, + [REG_DIR_DATA_WRITE] = 0x08, + [REG_DIR_DATA_READ] = 0x0c, + [REG_SWITCH_REVISION] = 0x10, + [REG_PHY_REVISION] = 0x14, + [REG_SPHY_CNTRL] = 0x24, + [REG_CROSSBAR] = 0xc8, + [REG_RGMII_0_CNTRL] = 0xe0, + [REG_RGMII_1_CNTRL] = 0xec, + [REG_RGMII_2_CNTRL] = 0xf8, + [REG_LED_0_CNTRL] = 0x40, + [REG_LED_1_CNTRL] = 0x4c, + [REG_LED_2_CNTRL] = 0x58, +}; + +static const struct bcm_sf2_of_data bcm_sf2_4908_data = { + .type = BCM4908_DEVICE_ID, + .core_reg_align = 0, + .reg_offsets = bcm_sf2_4908_reg_offsets, + .num_cfp_rules = 0, /* FIXME */ +}; + /* Register offsets for the SWITCH_REG_* block */ static const u16 bcm_sf2_7445_reg_offsets[] = { [REG_SWITCH_CNTRL] = 0x00, @@ -1183,6 +1210,9 @@ static const struct bcm_sf2_of_data bcm_sf2_7278_data = { }; static const struct of_device_id bcm_sf2_of_match[] = { + { .compatible = "brcm,bcm4908-switch", + .data = &bcm_sf2_4908_data + }, { .compatible = "brcm,bcm7445-switch-v4.0", .data = &bcm_sf2_7445_data }, |