+// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright 2014 - 2015 Freescale Semiconductor, Inc.
*
- * SPDX-License-Identifier: GPL-2.0+
- *
* Driver for the Vitesse VSC9953 L2 Switch
*/
struct vsc9953_analyzer *l2ana_reg;
/* Administrative down */
- if (vsc9953_l2sw.port[port_nr].enabled) {
+ if (!vsc9953_l2sw.port[port_nr].enabled) {
printf("Port %d is administrative down\n", port_nr);
return -1;
}
clrbits_le32(&l2ana_reg->ana.adv_learn, VSC9953_VLAN_CHK);
}
+enum aggr_code_mode {
+ AGGR_CODE_RAND = 0,
+ AGGR_CODE_ALL, /* S/D MAC, IPv4 S/D IP, IPv6 Flow Label, S/D PORT */
+};
+
+/* Set aggregation code generation mode */
+static int vsc9953_aggr_code_set(enum aggr_code_mode ac)
+{
+ int rc;
+ struct vsc9953_analyzer *l2ana_reg;
+
+ l2ana_reg = (struct vsc9953_analyzer *)(VSC9953_OFFSET +
+ VSC9953_ANA_OFFSET);
+
+ switch (ac) {
+ case AGGR_CODE_RAND:
+ clrsetbits_le32(&l2ana_reg->common.aggr_cfg,
+ VSC9953_AC_DMAC_ENA | VSC9953_AC_SMAC_ENA |
+ VSC9953_AC_IP6_LBL_ENA |
+ VSC9953_AC_IP6_TCPUDP_ENA |
+ VSC9953_AC_IP4_SIPDIP_ENA |
+ VSC9953_AC_IP4_TCPUDP_ENA, VSC9953_AC_RND_ENA);
+ rc = 0;
+ break;
+ case AGGR_CODE_ALL:
+ clrsetbits_le32(&l2ana_reg->common.aggr_cfg, VSC9953_AC_RND_ENA,
+ VSC9953_AC_DMAC_ENA | VSC9953_AC_SMAC_ENA |
+ VSC9953_AC_IP6_LBL_ENA |
+ VSC9953_AC_IP6_TCPUDP_ENA |
+ VSC9953_AC_IP4_SIPDIP_ENA |
+ VSC9953_AC_IP4_TCPUDP_ENA);
+ rc = 0;
+ break;
+ default:
+ /* unknown mode for aggregation code */
+ rc = -EINVAL;
+ }
+
+ return rc;
+}
+
/* Egress untag modes of a VSC9953 port */
enum egress_untag_mode {
EGRESS_UNTAG_ALL = 0,
return !!(val & (1 << port_no));
}
+/* Get the aggregation group of a port */
+static int vsc9953_port_aggr_grp_get(int port_no, int *aggr_grp)
+{
+ u32 val;
+ struct vsc9953_analyzer *l2ana_reg;
+
+ if (!VSC9953_PORT_CHECK(port_no))
+ return -EINVAL;
+
+ l2ana_reg = (struct vsc9953_analyzer *)(VSC9953_OFFSET +
+ VSC9953_ANA_OFFSET);
+
+ val = in_le32(&l2ana_reg->port[port_no].port_cfg);
+ *aggr_grp = bitfield_extract_by_mask(val,
+ VSC9953_PORT_CFG_PORTID_MASK);
+
+ return 0;
+}
+
+static void vsc9953_aggr_grp_members_get(int aggr_grp,
+ u8 aggr_membr[VSC9953_MAX_PORTS])
+{
+ int port_no;
+ int aggr_membr_grp;
+
+ for (port_no = 0; port_no < VSC9953_MAX_PORTS; port_no++) {
+ aggr_membr[port_no] = 0;
+
+ if (vsc9953_port_aggr_grp_get(port_no, &aggr_membr_grp))
+ continue;
+
+ if (aggr_grp == aggr_membr_grp)
+ aggr_membr[port_no] = 1;
+ }
+}
+
+static void vsc9953_update_dest_members_masks(int port_no, u32 membr_bitfld_old,
+ u32 membr_bitfld_new)
+{
+ int i;
+ u32 pgid;
+ struct vsc9953_analyzer *l2ana_reg;
+
+ l2ana_reg = (struct vsc9953_analyzer *)(VSC9953_OFFSET +
+ VSC9953_ANA_OFFSET);
+
+ /*
+ * NOTE: Only the unicast destination masks are updated, since
+ * we do not support for now Layer-2 multicast entries
+ */
+ for (i = 0; i < VSC9953_MAX_PORTS; i++) {
+ if (i == port_no) {
+ clrsetbits_le32(&l2ana_reg->port_id_tbl.port_grp_id[i],
+ VSC9953_PGID_PORT_MASK,
+ membr_bitfld_new);
+ continue;
+ }
+
+ pgid = in_le32(&l2ana_reg->port_id_tbl.port_grp_id[i]);
+ if ((u32)(1 << i) & membr_bitfld_old & VSC9953_PGID_PORT_MASK)
+ pgid &= ~((u32)(1 << port_no));
+ if ((u32)(1 << i) & membr_bitfld_new & VSC9953_PGID_PORT_MASK)
+ pgid |= ((u32)(1 << port_no));
+
+ out_le32(&l2ana_reg->port_id_tbl.port_grp_id[i], pgid);
+ }
+}
+
+static void vsc9953_update_source_members_masks(int port_no,
+ u32 membr_bitfld_old,
+ u32 membr_bitfld_new)
+{
+ int i;
+ int index;
+ u32 pgid;
+ struct vsc9953_analyzer *l2ana_reg;
+
+ l2ana_reg = (struct vsc9953_analyzer *)(VSC9953_OFFSET +
+ VSC9953_ANA_OFFSET);
+
+ for (i = 0; i < VSC9953_MAX_PORTS + 1; i++) {
+ index = PGID_SRC_START + i;
+ pgid = in_le32(&l2ana_reg->port_id_tbl.port_grp_id[index]);
+ if (i == port_no) {
+ pgid = (pgid | VSC9953_PGID_PORT_MASK) &
+ ~membr_bitfld_new;
+ out_le32(&l2ana_reg->port_id_tbl.port_grp_id[index],
+ pgid);
+ continue;
+ }
+
+ if ((u32)(1 << i) & membr_bitfld_old & VSC9953_PGID_PORT_MASK)
+ pgid |= (u32)(1 << port_no);
+
+ if ((u32)(1 << i) & membr_bitfld_new & VSC9953_PGID_PORT_MASK)
+ pgid &= ~(u32)(1 << port_no);
+ out_le32(&l2ana_reg->port_id_tbl.port_grp_id[index], pgid);
+ }
+}
+
+static u32 vsc9953_aggr_mask_get_next(u32 aggr_mask, u32 member_bitfield)
+{
+ if (!member_bitfield)
+ return 0;
+
+ if (!(aggr_mask & VSC9953_PGID_PORT_MASK))
+ aggr_mask = 1;
+ else
+ aggr_mask <<= 1;
+
+ while (!(aggr_mask & member_bitfield)) {
+ aggr_mask <<= 1;
+ if (!(aggr_mask & VSC9953_PGID_PORT_MASK))
+ aggr_mask = 1;
+ }
+
+ return aggr_mask;
+}
+
+static void vsc9953_update_aggr_members_masks(int port_no, u32 membr_bitfld_old,
+ u32 membr_bitfld_new)
+{
+ int i;
+ u32 pgid;
+ u32 aggr_mask_old = 0;
+ u32 aggr_mask_new = 0;
+ struct vsc9953_analyzer *l2ana_reg;
+
+ l2ana_reg = (struct vsc9953_analyzer *)(VSC9953_OFFSET +
+ VSC9953_ANA_OFFSET);
+
+ /* Update all the PGID aggregation masks */
+ for (i = PGID_AGGR_START; i < PGID_SRC_START; i++) {
+ pgid = in_le32(&l2ana_reg->port_id_tbl.port_grp_id[i]);
+
+ aggr_mask_old = vsc9953_aggr_mask_get_next(aggr_mask_old,
+ membr_bitfld_old);
+ pgid = (pgid & ~membr_bitfld_old) | aggr_mask_old;
+
+ aggr_mask_new = vsc9953_aggr_mask_get_next(aggr_mask_new,
+ membr_bitfld_new);
+ pgid = (pgid & ~membr_bitfld_new) | aggr_mask_new;
+
+ out_le32(&l2ana_reg->port_id_tbl.port_grp_id[i], pgid);
+ }
+}
+
+static u32 vsc9953_aggr_membr_bitfield_get(u8 member[VSC9953_MAX_PORTS])
+{
+ int i;
+ u32 member_bitfield = 0;
+
+ for (i = 0; i < VSC9953_MAX_PORTS; i++) {
+ if (member[i])
+ member_bitfield |= 1 << i;
+ }
+ member_bitfield &= VSC9953_PGID_PORT_MASK;
+
+ return member_bitfield;
+}
+
+static void vsc9953_update_members_masks(int port_no,
+ u8 member_old[VSC9953_MAX_PORTS],
+ u8 member_new[VSC9953_MAX_PORTS])
+{
+ u32 membr_bitfld_old = vsc9953_aggr_membr_bitfield_get(member_old);
+ u32 membr_bitfld_new = vsc9953_aggr_membr_bitfield_get(member_new);
+
+ vsc9953_update_dest_members_masks(port_no, membr_bitfld_old,
+ membr_bitfld_new);
+ vsc9953_update_source_members_masks(port_no, membr_bitfld_old,
+ membr_bitfld_new);
+ vsc9953_update_aggr_members_masks(port_no, membr_bitfld_old,
+ membr_bitfld_new);
+}
+
+/* Set the aggregation group of a port */
+static int vsc9953_port_aggr_grp_set(int port_no, int aggr_grp)
+{
+ u8 aggr_membr_old[VSC9953_MAX_PORTS];
+ u8 aggr_membr_new[VSC9953_MAX_PORTS];
+ int rc;
+ int aggr_grp_old;
+ u32 val;
+ struct vsc9953_analyzer *l2ana_reg;
+
+ if (!VSC9953_PORT_CHECK(port_no) || !VSC9953_PORT_CHECK(aggr_grp))
+ return -EINVAL;
+
+ l2ana_reg = (struct vsc9953_analyzer *)(VSC9953_OFFSET +
+ VSC9953_ANA_OFFSET);
+
+ rc = vsc9953_port_aggr_grp_get(port_no, &aggr_grp_old);
+ if (rc)
+ return rc;
+
+ /* get all the members of the old aggregation group */
+ vsc9953_aggr_grp_members_get(aggr_grp_old, aggr_membr_old);
+
+ /* get all the members of the same aggregation group */
+ vsc9953_aggr_grp_members_get(aggr_grp, aggr_membr_new);
+
+ /* add current port as member to the new aggregation group */
+ aggr_membr_old[port_no] = 0;
+ aggr_membr_new[port_no] = 1;
+
+ /* update masks */
+ vsc9953_update_members_masks(port_no, aggr_membr_old, aggr_membr_new);
+
+ /* Change logical port number */
+ val = in_le32(&l2ana_reg->port[port_no].port_cfg);
+ val = bitfield_replace_by_mask(val,
+ VSC9953_PORT_CFG_PORTID_MASK, aggr_grp);
+ out_le32(&l2ana_reg->port[port_no].port_cfg, val);
+
+ return 0;
+}
+
static int vsc9953_port_status_key_func(struct ethsw_command_def *parsed_cmd)
{
int i;
return CMD_RET_SUCCESS;
}
+static int vsc9953_port_aggr_show_key_func(struct ethsw_command_def *parsed_cmd)
+{
+ int i;
+ int aggr_grp;
+
+ if (parsed_cmd->port != ETHSW_CMD_PORT_ALL) {
+ if (!VSC9953_PORT_CHECK(parsed_cmd->port)) {
+ printf("Invalid port number: %d\n", parsed_cmd->port);
+ return CMD_RET_FAILURE;
+ }
+
+ if (vsc9953_port_aggr_grp_get(parsed_cmd->port, &aggr_grp))
+ return CMD_RET_FAILURE;
+ printf("%7s %10s\n", "Port", "Aggr grp");
+ printf("%7d %10d\n", parsed_cmd->port, aggr_grp);
+ } else {
+ printf("%7s %10s\n", "Port", "Aggr grp");
+ for (i = 0; i < VSC9953_MAX_PORTS; i++) {
+ if (vsc9953_port_aggr_grp_get(i, &aggr_grp))
+ continue;
+ printf("%7d %10d\n", i, aggr_grp);
+ }
+ }
+
+ return CMD_RET_SUCCESS;
+}
+
+static int vsc9953_port_aggr_set_key_func(struct ethsw_command_def *parsed_cmd)
+{
+ int i;
+
+ /* Aggregation group number should be set in parsed_cmd->aggr_grp */
+ if (parsed_cmd->aggr_grp == ETHSW_CMD_AGGR_GRP_NONE) {
+ printf("Please set an aggregation group value\n");
+ return CMD_RET_FAILURE;
+ }
+
+ if (!VSC9953_PORT_CHECK(parsed_cmd->aggr_grp)) {
+ printf("Invalid aggregation group number: %d\n",
+ parsed_cmd->aggr_grp);
+ return CMD_RET_FAILURE;
+ }
+
+ if (parsed_cmd->port != ETHSW_CMD_PORT_ALL) {
+ if (!VSC9953_PORT_CHECK(parsed_cmd->port)) {
+ printf("Invalid port number: %d\n", parsed_cmd->port);
+ return CMD_RET_FAILURE;
+ }
+ if (vsc9953_port_aggr_grp_set(parsed_cmd->port,
+ parsed_cmd->aggr_grp)) {
+ printf("Port %d: failed to set aggr group %d\n",
+ parsed_cmd->port, parsed_cmd->aggr_grp);
+ }
+ } else {
+ for (i = 0; i < VSC9953_MAX_PORTS; i++) {
+ if (vsc9953_port_aggr_grp_set(i,
+ parsed_cmd->aggr_grp)) {
+ printf("Port %d: failed to set aggr group %d\n",
+ i, parsed_cmd->aggr_grp);
+ }
+ }
+ }
+
+ return CMD_RET_SUCCESS;
+}
+
static struct ethsw_command_func vsc9953_cmd_func = {
.ethsw_name = "L2 Switch VSC9953",
.port_enable = &vsc9953_port_status_key_func,
.vlan_learn_show = &vsc9953_vlan_learn_show_key_func,
.vlan_learn_set = &vsc9953_vlan_learn_set_key_func,
.port_ingr_filt_show = &vsc9953_ingr_fltr_show_key_func,
- .port_ingr_filt_set = &vsc9953_ingr_fltr_set_key_func
+ .port_ingr_filt_set = &vsc9953_ingr_fltr_set_key_func,
+ .port_aggr_show = &vsc9953_port_aggr_show_key_func,
+ .port_aggr_set = &vsc9953_port_aggr_set_key_func,
};
#endif /* CONFIG_CMD_ETHSW */
vsc9953_vlan_table_membership_all_set(1, 1);
vsc9953_vlan_ingr_fltr_learn_drop(1);
vsc9953_port_all_vlan_egress_untagged_set(EGRESS_UNTAG_PVID_AND_ZERO);
+ if (vsc9953_aggr_code_set(AGGR_CODE_ALL))
+ debug("VSC9953: failed to set default aggregation code mode\n");
+}
+
+static void vcap_entry2cache_init(u32 target, u32 entry_words)
+{
+ int i;
+
+ for (i = 0; i < entry_words; i++) {
+ out_le32((unsigned int *)(VSC9953_OFFSET +
+ VSC9953_VCAP_CACHE_ENTRY_DAT(target, i)), 0x00);
+ out_le32((unsigned int *)(VSC9953_OFFSET +
+ VSC9953_VCAP_CACHE_MASK_DAT(target, i)), 0xFF);
+ }
+
+ out_le32((unsigned int *)(VSC9953_OFFSET +
+ VSC9953_VCAP_CACHE_TG_DAT(target)), 0x00);
+ out_le32((unsigned int *)(VSC9953_OFFSET +
+ VSC9953_VCAP_CFG_MV_CFG(target)),
+ VSC9953_VCAP_CFG_MV_CFG_SIZE(entry_words));
+}
+
+static void vcap_action2cache_init(u32 target, u32 action_words,
+ u32 counter_words)
+{
+ int i;
+
+ for (i = 0; i < action_words; i++)
+ out_le32((unsigned int *)(VSC9953_OFFSET +
+ VSC9953_VCAP_CACHE_ACTION_DAT(target, i)), 0x00);
+
+ for (i = 0; i < counter_words; i++)
+ out_le32((unsigned int *)(VSC9953_OFFSET +
+ VSC9953_VCAP_CACHE_CNT_DAT(target, i)), 0x00);
+}
+
+static int vcap_cmd(u32 target, u16 ix, int cmd, int sel, int entry_count)
+{
+ u32 tgt = target;
+ u32 value = (VSC9953_VCAP_UPDATE_CTRL_UPDATE_CMD(cmd) |
+ VSC9953_VCAP_UPDATE_CTRL_UPDATE_ADDR(ix) |
+ VSC9953_VCAP_UPDATE_CTRL_UPDATE_SHOT);
+
+ if ((sel & TCAM_SEL_ENTRY) && ix >= entry_count)
+ return CMD_RET_FAILURE;
+
+ if (!(sel & TCAM_SEL_ENTRY))
+ value |= VSC9953_VCAP_UPDATE_CTRL_UPDATE_ENTRY_DIS;
+
+ if (!(sel & TCAM_SEL_ACTION))
+ value |= VSC9953_VCAP_UPDATE_CTRL_UPDATE_ACTION_DIS;
+
+ if (!(sel & TCAM_SEL_COUNTER))
+ value |= VSC9953_VCAP_UPDATE_CTRL_UPDATE_CNT_DIS;
+
+ out_le32((unsigned int *)(VSC9953_OFFSET +
+ VSC9953_VCAP_CFG_UPDATE_CTRL(tgt)), value);
+
+ do {
+ value = in_le32((unsigned int *)(VSC9953_OFFSET +
+ VSC9953_VCAP_CFG_UPDATE_CTRL(tgt)));
+
+ } while (value & VSC9953_VCAP_UPDATE_CTRL_UPDATE_SHOT);
+
+ return CMD_RET_SUCCESS;
+}
+
+static void vsc9953_vcap_init(void)
+{
+ u32 tgt = VSC9953_ES0;
+ int cmd_ret;
+
+ /* write entries */
+ vcap_entry2cache_init(tgt, ENTRY_WORDS_ES0);
+ cmd_ret = vcap_cmd(tgt, 0, TCAM_CMD_INITIALIZE, TCAM_SEL_ENTRY,
+ ENTRY_WORDS_ES0);
+ if (cmd_ret != CMD_RET_SUCCESS)
+ debug("VSC9953:%d invalid TCAM_SEL_ENTRY\n",
+ __LINE__);
+
+ /* write actions and counters */
+ vcap_action2cache_init(tgt, BITS_TO_DWORD(ES0_ACT_WIDTH),
+ BITS_TO_DWORD(ES0_CNT_WIDTH));
+ out_le32((unsigned int *)(VSC9953_OFFSET +
+ VSC9953_VCAP_CFG_MV_CFG(tgt)),
+ VSC9953_VCAP_CFG_MV_CFG_SIZE(ES0_ACT_COUNT));
+ cmd_ret = vcap_cmd(tgt, 0, TCAM_CMD_INITIALIZE,
+ TCAM_SEL_ACTION | TCAM_SEL_COUNTER, ENTRY_WORDS_ES0);
+ if (cmd_ret != CMD_RET_SUCCESS)
+ debug("VSC9953:%d invalid TCAM_SEL_ACTION | TCAM_SEL_COUNTER\n",
+ __LINE__);
+
+ tgt = VSC9953_IS1;
+
+ /* write entries */
+ vcap_entry2cache_init(tgt, ENTRY_WORDS_IS1);
+ cmd_ret = vcap_cmd(tgt, 0, TCAM_CMD_INITIALIZE, TCAM_SEL_ENTRY,
+ ENTRY_WORDS_IS1);
+ if (cmd_ret != CMD_RET_SUCCESS)
+ debug("VSC9953:%d invalid TCAM_SEL_ENTRY\n",
+ __LINE__);
+
+ /* write actions and counters */
+ vcap_action2cache_init(tgt, BITS_TO_DWORD(IS1_ACT_WIDTH),
+ BITS_TO_DWORD(IS1_CNT_WIDTH));
+ out_le32((unsigned int *)(VSC9953_OFFSET +
+ VSC9953_VCAP_CFG_MV_CFG(tgt)),
+ VSC9953_VCAP_CFG_MV_CFG_SIZE(IS1_ACT_COUNT));
+ cmd_ret = vcap_cmd(tgt, 0, TCAM_CMD_INITIALIZE,
+ TCAM_SEL_ACTION | TCAM_SEL_COUNTER, ENTRY_WORDS_IS1);
+ if (cmd_ret != CMD_RET_SUCCESS)
+ debug("VSC9953:%d invalid TCAM_SEL_ACTION | TCAM_SEL_COUNTER\n",
+ __LINE__);
+
+ tgt = VSC9953_IS2;
+
+ /* write entries */
+ vcap_entry2cache_init(tgt, ENTRY_WORDS_IS2);
+ cmd_ret = vcap_cmd(tgt, 0, TCAM_CMD_INITIALIZE, TCAM_SEL_ENTRY,
+ ENTRY_WORDS_IS2);
+ if (cmd_ret != CMD_RET_SUCCESS)
+ debug("VSC9953:%d invalid selection: TCAM_SEL_ENTRY\n",
+ __LINE__);
+
+ /* write actions and counters */
+ vcap_action2cache_init(tgt, BITS_TO_DWORD(IS2_ACT_WIDTH),
+ BITS_TO_DWORD(IS2_CNT_WIDTH));
+ out_le32((unsigned int *)(VSC9953_OFFSET +
+ VSC9953_VCAP_CFG_MV_CFG(tgt)),
+ VSC9953_VCAP_CFG_MV_CFG_SIZE(IS2_ACT_COUNT));
+ cmd_ret = vcap_cmd(tgt, 0, TCAM_CMD_INITIALIZE,
+ TCAM_SEL_ACTION | TCAM_SEL_COUNTER, ENTRY_WORDS_IS2);
+ if (cmd_ret != CMD_RET_SUCCESS)
+ debug("VSC9953:%d invalid TCAM_SEL_ACTION | TCAM_SEL_COUNTER\n",
+ __LINE__);
}
void vsc9953_init(bd_t *bis)
if (vsc9953_port_init(i))
printf("Failed to initialize l2switch port %d\n", i);
+ if (!vsc9953_l2sw.port[i].enabled)
+ continue;
+
/* Enable VSC9953 GMII Ports Port ID 0 - 7 */
if (VSC9953_INTERNAL_PORT_CHECK(i)) {
out_le32(&l2ana_reg->pfc[i].pfc_cfg,
out_le32(&l2sys_reg->pause_cfg.mac_fc_cfg[i],
VSC9953_MAC_FC_CFG);
}
+
+ l2dev_gmii_reg = (struct vsc9953_dev_gmii *)
+ (VSC9953_OFFSET + VSC9953_DEV_GMII_OFFSET +
+ T1040_SWITCH_GMII_DEV_OFFSET * i);
+
out_le32(&l2dev_gmii_reg->port_mode.clock_cfg,
VSC9953_CLOCK_CFG);
out_le32(&l2dev_gmii_reg->mac_cfg_status.mac_ena_cfg,
/* WAIT FOR 2 us*/
udelay(2);
- l2dev_gmii_reg = (struct vsc9953_dev_gmii *)(
- (char *)l2dev_gmii_reg
- + T1040_SWITCH_GMII_DEV_OFFSET);
-
/* Initialize Lynx PHY Wrappers */
phy_addr = 0;
if (vsc9953_l2sw.port[i].enet_if ==
}
}
+ vsc9953_vcap_init();
vsc9953_default_configuration();
#ifdef CONFIG_CMD_ETHSW