mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-28 01:28:59 +00:00
132 lines
4.0 KiB
Diff
132 lines
4.0 KiB
Diff
From 73b7a6047971aa6ce4a70fc4901964d14f077171 Mon Sep 17 00:00:00 2001
|
|
From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
|
|
Date: Wed, 6 Jan 2021 22:32:02 +0100
|
|
Subject: [PATCH] net: dsa: bcm_sf2: support BCM4908's integrated switch
|
|
MIME-Version: 1.0
|
|
Content-Type: text/plain; charset=UTF-8
|
|
Content-Transfer-Encoding: 8bit
|
|
|
|
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>
|
|
---
|
|
drivers/net/dsa/b53/b53_common.c | 14 +++++++++++++
|
|
drivers/net/dsa/b53/b53_priv.h | 1 +
|
|
drivers/net/dsa/bcm_sf2.c | 36 +++++++++++++++++++++++++++++---
|
|
drivers/net/dsa/bcm_sf2_regs.h | 1 +
|
|
4 files changed, 49 insertions(+), 3 deletions(-)
|
|
|
|
--- a/drivers/net/dsa/b53/b53_common.c
|
|
+++ b/drivers/net/dsa/b53/b53_common.c
|
|
@@ -2409,6 +2409,22 @@ static const struct b53_chip_data b53_sw
|
|
.jumbo_pm_reg = B53_JUMBO_PORT_MASK,
|
|
.jumbo_size_reg = B53_JUMBO_MAX_SIZE,
|
|
},
|
|
+ /* Starfighter 2 */
|
|
+ {
|
|
+ .chip_id = BCM4908_DEVICE_ID,
|
|
+ .dev_name = "BCM4908",
|
|
+ .vlans = 4096,
|
|
+ .enabled_ports = 0x1bf,
|
|
+#if 0
|
|
+ .arl_bins = 4,
|
|
+ .arl_buckets = 256,
|
|
+#endif
|
|
+ .cpu_port = 8, /* TODO: ports 4, 5, 8 */
|
|
+ .vta_regs = B53_VTA_REGS,
|
|
+ .duplex_reg = B53_DUPLEX_STAT_GE,
|
|
+ .jumbo_pm_reg = B53_JUMBO_PORT_MASK,
|
|
+ .jumbo_size_reg = B53_JUMBO_MAX_SIZE,
|
|
+ },
|
|
{
|
|
.chip_id = BCM7445_DEVICE_ID,
|
|
.dev_name = "BCM7445",
|
|
--- a/drivers/net/dsa/b53/b53_priv.h
|
|
+++ b/drivers/net/dsa/b53/b53_priv.h
|
|
@@ -64,6 +64,7 @@ struct b53_io_ops {
|
|
#define B53_INVALID_LANE 0xff
|
|
|
|
enum {
|
|
+ BCM4908_DEVICE_ID = 0x4908,
|
|
BCM5325_DEVICE_ID = 0x25,
|
|
BCM5365_DEVICE_ID = 0x65,
|
|
BCM5389_DEVICE_ID = 0x89,
|
|
--- a/drivers/net/dsa/bcm_sf2.c
|
|
+++ b/drivers/net/dsa/bcm_sf2.c
|
|
@@ -61,7 +61,8 @@ static void bcm_sf2_imp_setup(struct dsa
|
|
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;
|
|
@@ -563,7 +564,8 @@ static void bcm_sf2_sw_mac_config(struct
|
|
if (port == core_readl(priv, CORE_IMP0_PRT_ID))
|
|
return;
|
|
|
|
- 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);
|
|
@@ -1013,6 +1015,30 @@ 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,
|
|
@@ -1061,6 +1087,9 @@ static const struct bcm_sf2_of_data bcm_
|
|
};
|
|
|
|
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
|
|
},
|
|
--- a/drivers/net/dsa/bcm_sf2_regs.h
|
|
+++ b/drivers/net/dsa/bcm_sf2_regs.h
|
|
@@ -17,6 +17,7 @@ enum bcm_sf2_reg_offs {
|
|
REG_SWITCH_REVISION,
|
|
REG_PHY_REVISION,
|
|
REG_SPHY_CNTRL,
|
|
+ REG_CROSSBAR,
|
|
REG_RGMII_0_CNTRL,
|
|
REG_RGMII_1_CNTRL,
|
|
REG_RGMII_2_CNTRL,
|