#include <asm/fsl_serdes.h>
#include <fm_eth.h>
#include <fsl_memac.h>
+#include <bitfield.h>
#include <errno.h>
#include <malloc.h>
#include <vsc9953.h>
return 0;
}
+static int vsc9953_vlan_table_poll_idle(void)
+{
+ struct vsc9953_analyzer *l2ana_reg;
+ int timeout;
+
+ l2ana_reg = (struct vsc9953_analyzer *)(VSC9953_OFFSET +
+ VSC9953_ANA_OFFSET);
+
+ timeout = 50000;
+ while (((in_le32(&l2ana_reg->ana_tables.vlan_access) &
+ VSC9953_VLAN_CMD_MASK) != VSC9953_VLAN_CMD_IDLE) && --timeout)
+ udelay(1);
+
+ return timeout ? 0 : -EBUSY;
+}
+
+/* vlan table set/clear all membership of vid */
+static void vsc9953_vlan_table_membership_all_set(int vid, int set_member)
+{
+ uint val;
+ struct vsc9953_analyzer *l2ana_reg;
+
+ l2ana_reg = (struct vsc9953_analyzer *)(VSC9953_OFFSET +
+ VSC9953_ANA_OFFSET);
+
+ if (vsc9953_vlan_table_poll_idle() < 0) {
+ debug("VLAN table timeout\n");
+ return;
+ }
+
+ /* read current vlan configuration */
+ val = in_le32(&l2ana_reg->ana_tables.vlan_tidx);
+ out_le32(&l2ana_reg->ana_tables.vlan_tidx,
+ bitfield_replace_by_mask(val, VSC9953_ANA_TBL_VID_MASK, vid));
+
+ clrsetbits_le32(&l2ana_reg->ana_tables.vlan_access,
+ VSC9953_VLAN_CMD_MASK, VSC9953_VLAN_CMD_READ);
+
+ if (vsc9953_vlan_table_poll_idle() < 0) {
+ debug("VLAN table timeout\n");
+ return;
+ }
+
+ val = in_le32(&l2ana_reg->ana_tables.vlan_tidx);
+ out_le32(&l2ana_reg->ana_tables.vlan_tidx,
+ bitfield_replace_by_mask(val, VSC9953_ANA_TBL_VID_MASK, vid));
+
+ clrsetbits_le32(&l2ana_reg->ana_tables.vlan_access,
+ VSC9953_VLAN_PORT_MASK | VSC9953_VLAN_CMD_MASK,
+ VSC9953_VLAN_CMD_WRITE |
+ (set_member ? VSC9953_VLAN_PORT_MASK : 0));
+}
+
+/* Set PVID for a VSC9953 port */
+static void vsc9953_port_vlan_pvid_set(int port_no, int pvid)
+{
+ uint val;
+ struct vsc9953_analyzer *l2ana_reg;
+ struct vsc9953_rew_reg *l2rew_reg;
+
+ /* Administrative down */
+ if (!vsc9953_l2sw.port[port_no].enabled) {
+ printf("Port %d is administrative down\n", port_no);
+ return;
+ }
+
+ l2ana_reg = (struct vsc9953_analyzer *)(VSC9953_OFFSET +
+ VSC9953_ANA_OFFSET);
+ l2rew_reg = (struct vsc9953_rew_reg *)(VSC9953_OFFSET +
+ VSC9953_REW_OFFSET);
+
+ /* Set PVID on ingress */
+ val = in_le32(&l2ana_reg->port[port_no].vlan_cfg);
+ val = bitfield_replace_by_mask(val, VSC9953_VLAN_CFG_VID_MASK, pvid);
+ out_le32(&l2ana_reg->port[port_no].vlan_cfg, val);
+
+ /* Set PVID on egress */
+ val = in_le32(&l2rew_reg->port[port_no].port_vlan_cfg);
+ val = bitfield_replace_by_mask(val, VSC9953_PORT_VLAN_CFG_VID_MASK,
+ pvid);
+ out_le32(&l2rew_reg->port[port_no].port_vlan_cfg, val);
+}
+
+static void vsc9953_port_all_vlan_pvid_set(int pvid)
+{
+ int i;
+
+ for (i = 0; i < VSC9953_MAX_PORTS; i++)
+ vsc9953_port_vlan_pvid_set(i, pvid);
+}
+
+/* Enable/disable vlan aware of a VSC9953 port */
+static void vsc9953_port_vlan_aware_set(int port_no, int enabled)
+{
+ struct vsc9953_analyzer *l2ana_reg;
+
+ /* Administrative down */
+ if (!vsc9953_l2sw.port[port_no].enabled) {
+ printf("Port %d is administrative down\n", port_no);
+ return;
+ }
+
+ l2ana_reg = (struct vsc9953_analyzer *)(VSC9953_OFFSET +
+ VSC9953_ANA_OFFSET);
+
+ if (enabled)
+ setbits_le32(&l2ana_reg->port[port_no].vlan_cfg,
+ VSC9953_VLAN_CFG_AWARE_ENA);
+ else
+ clrbits_le32(&l2ana_reg->port[port_no].vlan_cfg,
+ VSC9953_VLAN_CFG_AWARE_ENA);
+}
+
+/* Set all VSC9953 ports' vlan aware */
+static void vsc9953_port_all_vlan_aware_set(int enabled)
+{
+ int i;
+
+ for (i = 0; i < VSC9953_MAX_PORTS; i++)
+ vsc9953_port_vlan_aware_set(i, enabled);
+}
+
+/* Enable/disable vlan pop count of a VSC9953 port */
+static void vsc9953_port_vlan_popcnt_set(int port_no, int popcnt)
+{
+ uint val;
+ struct vsc9953_analyzer *l2ana_reg;
+
+ /* Administrative down */
+ if (!vsc9953_l2sw.port[port_no].enabled) {
+ printf("Port %d is administrative down\n", port_no);
+ return;
+ }
+
+ if (popcnt > 3 || popcnt < 0) {
+ printf("Invalid pop count value: %d\n", port_no);
+ return;
+ }
+
+ l2ana_reg = (struct vsc9953_analyzer *)(VSC9953_OFFSET +
+ VSC9953_ANA_OFFSET);
+
+ val = in_le32(&l2ana_reg->port[port_no].vlan_cfg);
+ val = bitfield_replace_by_mask(val, VSC9953_VLAN_CFG_POP_CNT_MASK,
+ popcnt);
+ out_le32(&l2ana_reg->port[port_no].vlan_cfg, val);
+}
+
+/* Set all VSC9953 ports' pop count */
+static void vsc9953_port_all_vlan_poncnt_set(int popcnt)
+{
+ int i;
+
+ for (i = 0; i < VSC9953_MAX_PORTS; i++)
+ vsc9953_port_vlan_popcnt_set(i, popcnt);
+}
+
+/* Enable/disable learning for frames dropped due to ingress filtering */
+static void vsc9953_vlan_ingr_fltr_learn_drop(int enable)
+{
+ struct vsc9953_analyzer *l2ana_reg;
+
+ l2ana_reg = (struct vsc9953_analyzer *)(VSC9953_OFFSET +
+ VSC9953_ANA_OFFSET);
+
+ if (enable)
+ setbits_le32(&l2ana_reg->ana.adv_learn, VSC9953_VLAN_CHK);
+ else
+ clrbits_le32(&l2ana_reg->ana.adv_learn, VSC9953_VLAN_CHK);
+}
+
+/* Egress untag modes of a VSC9953 port */
+enum egress_untag_mode {
+ EGRESS_UNTAG_ALL = 0,
+ EGRESS_UNTAG_PVID_AND_ZERO,
+ EGRESS_UNTAG_ZERO,
+ EGRESS_UNTAG_NONE,
+};
+
+static void vsc9953_port_vlan_egr_untag_set(int port_no,
+ enum egress_untag_mode mode)
+{
+ struct vsc9953_rew_reg *l2rew_reg;
+
+ /* Administrative down */
+ if (!vsc9953_l2sw.port[port_no].enabled) {
+ printf("Port %d is administrative down\n", port_no);
+ return;
+ }
+
+ l2rew_reg = (struct vsc9953_rew_reg *)(VSC9953_OFFSET +
+ VSC9953_REW_OFFSET);
+
+ switch (mode) {
+ case EGRESS_UNTAG_ALL:
+ clrsetbits_le32(&l2rew_reg->port[port_no].port_tag_cfg,
+ VSC9953_TAG_CFG_MASK, VSC9953_TAG_CFG_NONE);
+ break;
+ case EGRESS_UNTAG_PVID_AND_ZERO:
+ clrsetbits_le32(&l2rew_reg->port[port_no].port_tag_cfg,
+ VSC9953_TAG_CFG_MASK,
+ VSC9953_TAG_CFG_ALL_BUT_PVID_ZERO);
+ break;
+ case EGRESS_UNTAG_ZERO:
+ clrsetbits_le32(&l2rew_reg->port[port_no].port_tag_cfg,
+ VSC9953_TAG_CFG_MASK,
+ VSC9953_TAG_CFG_ALL_BUT_ZERO);
+ break;
+ case EGRESS_UNTAG_NONE:
+ clrsetbits_le32(&l2rew_reg->port[port_no].port_tag_cfg,
+ VSC9953_TAG_CFG_MASK, VSC9953_TAG_CFG_ALL);
+ break;
+ default:
+ printf("Unknown untag mode for port %d\n", port_no);
+ }
+}
+
+static void vsc9953_port_all_vlan_egress_untagged_set(
+ enum egress_untag_mode mode)
+{
+ int i;
+
+ for (i = 0; i < VSC9953_MAX_PORTS; i++)
+ vsc9953_port_vlan_egr_untag_set(i, mode);
+}
+
+/*****************************************************************************
+At startup, the default configuration would be:
+ - HW learning enabled on all ports; (HW default)
+ - All ports are in VLAN 1;
+ - All ports are VLAN aware;
+ - All ports have POP_COUNT 1;
+ - All ports have PVID 1;
+ - All ports have TPID 0x8100; (HW default)
+ - All ports tag frames classified to all VLANs that are not PVID;
+*****************************************************************************/
+void vsc9953_default_configuration(void)
+{
+ int i;
+
+ for (i = 0; i < VSC9953_MAX_VLAN; i++)
+ vsc9953_vlan_table_membership_all_set(i, 0);
+ vsc9953_port_all_vlan_aware_set(1);
+ vsc9953_port_all_vlan_pvid_set(1);
+ vsc9953_port_all_vlan_poncnt_set(1);
+ 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);
+}
+
void vsc9953_init(bd_t *bis)
{
u32 i;
}
}
+ vsc9953_default_configuration();
+
printf("VSC9953 L2 switch initialized\n");
return;
}
#define VSC9953_OFFSET (CONFIG_SYS_CCSRBAR_DEFAULT + 0x800000)
#define VSC9953_SYS_OFFSET 0x010000
+#define VSC9953_REW_OFFSET 0x030000
#define VSC9953_DEV_GMII_OFFSET 0x100000
#define VSC9953_QSYS_OFFSET 0x200000
#define VSC9953_ANA_OFFSET 0x280000
#define VSC9953_VCAP_MV_CFG 0x0000ffff
#define VSC9953_VCAP_UPDATE_CTRL 0x01000004
+/* Macros for vsc9953_ana_port.vlan_cfg register */
+#define VSC9953_VLAN_CFG_AWARE_ENA 0x00100000
+#define VSC9953_VLAN_CFG_POP_CNT_MASK 0x000c0000
+#define VSC9953_VLAN_CFG_VID_MASK 0x00000fff
+
+/* Macros for vsc9953_rew_port.port_vlan_cfg register */
+#define VSC9953_PORT_VLAN_CFG_VID_MASK 0x00000fff
+
+/* Macros for vsc9953_ana_ana_tables.vlan_tidx register */
+#define VSC9953_ANA_TBL_VID_MASK 0x00000fff
+
+/* Macros for vsc9953_ana_ana_tables.vlan_access register */
+#define VSC9953_VLAN_PORT_MASK 0x00001ffc
+#define VSC9953_VLAN_CMD_MASK 0x00000003
+#define VSC9953_VLAN_CMD_IDLE 0x00000000
+#define VSC9953_VLAN_CMD_READ 0x00000001
+#define VSC9953_VLAN_CMD_WRITE 0x00000002
+#define VSC9953_VLAN_CMD_INIT 0x00000003
+
/* Macros for vsc9953_qsys_sys.switch_port_mode register */
#define VSC9953_PORT_ENA 0x00002000
+/* Macros for vsc9953_ana_ana.adv_learn register */
+#define VSC9953_VLAN_CHK 0x00000400
+
+/* Macros for vsc9953_rew_port.port_tag_cfg register */
+#define VSC9953_TAG_CFG_MASK 0x00000180
+#define VSC9953_TAG_CFG_NONE 0x00000000
+#define VSC9953_TAG_CFG_ALL_BUT_PVID_ZERO 0x00000080
+#define VSC9953_TAG_CFG_ALL_BUT_ZERO 0x00000100
+#define VSC9953_TAG_CFG_ALL 0x00000180
+
#define VSC9953_MAX_PORTS 10
#define VSC9953_PORT_CHECK(port) \
(((port) < 0 || (port) >= VSC9953_MAX_PORTS) ? 0 : 1)
(port) < VSC9953_MAX_PORTS - 2 || (port) >= VSC9953_MAX_PORTS \
) ? 0 : 1 \
)
+#define VSC9953_MAX_VLAN 4096
+#define VSC9953_VLAN_CHECK(vid) \
+ (((vid) < 0 || (vid) >= VSC9953_MAX_VLAN) ? 0 : 1)
#define DEFAULT_VSC9953_MDIO_NAME "VSC9953_MDIO0"
/* END VSC9953 SYS structure */
+/* VSC9953 REW structure */
+
+struct vsc9953_rew_port {
+ u32 port_vlan_cfg;
+ u32 port_tag_cfg;
+ u32 port_port_cfg;
+ u32 port_dscp_cfg;
+ u32 port_pcp_dei_qos_map_cfg[16];
+ u32 reserved[12];
+};
+
+struct vsc9953_rew_common {
+ u32 reserve[4];
+ u32 dscp_remap_dp1_cfg[64];
+ u32 dscp_remap_cfg[64];
+};
+
+struct vsc9953_rew_reg {
+ struct vsc9953_rew_port port[12];
+ struct vsc9953_rew_common common;
+};
+
+/* END VSC9953 REW structure */
/* VSC9953 DEVCPU_GCB structure */
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