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Message-Id: <20190117100212.2336-6-antoine.tenart@bootlin.com>
Date: Thu, 17 Jan 2019 11:02:09 +0100
From: Antoine Tenart <antoine.tenart@...tlin.com>
To: davem@...emloft.net, alexandre.belloni@...tlin.com,
UNGLinuxDriver@...rochip.com, ralf@...ux-mips.org,
paul.burton@...s.com, jhogan@...nel.org
Cc: Antoine Tenart <antoine.tenart@...tlin.com>,
netdev@...r.kernel.org, linux-mips@...r.kernel.org,
thomas.petazzoni@...tlin.com, quentin.schulz@...tlin.com,
allan.nielsen@...rochip.com
Subject: [PATCH net-next 5/8] net: mscc: describe the VCAP and PTP register ranges
This patch adds support for using the VCAP and PTP register ranges, and
adds a description of their registers. Those banks are used when
configuring PTP.
Signed-off-by: Antoine Tenart <antoine.tenart@...tlin.com>
---
drivers/net/ethernet/mscc/ocelot.h | 18 ++++
drivers/net/ethernet/mscc/ocelot_board.c | 21 +++--
drivers/net/ethernet/mscc/ocelot_ptp.h | 41 +++++++++
drivers/net/ethernet/mscc/ocelot_regs.c | 22 +++++
drivers/net/ethernet/mscc/ocelot_vcap.h | 104 +++++++++++++++++++++++
5 files changed, 200 insertions(+), 6 deletions(-)
create mode 100644 drivers/net/ethernet/mscc/ocelot_ptp.h
create mode 100644 drivers/net/ethernet/mscc/ocelot_vcap.h
diff --git a/drivers/net/ethernet/mscc/ocelot.h b/drivers/net/ethernet/mscc/ocelot.h
index 086775f7b52f..4b1b180884ad 100644
--- a/drivers/net/ethernet/mscc/ocelot.h
+++ b/drivers/net/ethernet/mscc/ocelot.h
@@ -22,6 +22,8 @@
#include "ocelot_rew.h"
#include "ocelot_sys.h"
#include "ocelot_qs.h"
+#include "ocelot_ptp.h"
+#include "ocelot_vcap.h"
#define PGID_AGGR 64
#define PGID_SRC 80
@@ -69,6 +71,8 @@ enum ocelot_target {
REW,
SYS,
HSIO,
+ PTP,
+ VCAP,
TARGET_MAX,
};
@@ -334,6 +338,20 @@ enum ocelot_reg {
SYS_CM_DATA_RD,
SYS_CM_OP,
SYS_CM_DATA,
+ PTP_PIN_CFG = PTP << TARGET_OFFSET,
+ PTP_PIN_TOD_SEC_MSB,
+ PTP_PIN_TOD_SEC_LSB,
+ PTP_PIN_TOD_NSEC,
+ PTP_CFG_MISC,
+ PTP_CLK_CFG_ADJ_CFG,
+ PTP_CLK_CFG_ADJ_FREQ,
+ VCAP_UPDATE_CTRL = VCAP << TARGET_OFFSET,
+ VCAP_UPDATE_CTRL_MV_CFG,
+ VCAP_UPDATE_CTRL_ENTRY_DATA,
+ VCAP_UPDATE_CTRL_MASK_DATA,
+ VCAP_UPDATE_CTRL_ACTION_DATA,
+ VCAP_UPDATE_CTRL_COUNTER_DATA,
+ VCAP_CACHE_DATA_TYPE,
};
enum ocelot_regfield {
diff --git a/drivers/net/ethernet/mscc/ocelot_board.c b/drivers/net/ethernet/mscc/ocelot_board.c
index ca3ea2fbfcd0..ba7c93c4318a 100644
--- a/drivers/net/ethernet/mscc/ocelot_board.c
+++ b/drivers/net/ethernet/mscc/ocelot_board.c
@@ -182,12 +182,15 @@ static int mscc_ocelot_probe(struct platform_device *pdev)
struct {
enum ocelot_target id;
char *name;
+ u8 optional:1;
} res[] = {
- { SYS, "sys" },
- { REW, "rew" },
- { QSYS, "qsys" },
- { ANA, "ana" },
- { QS, "qs" },
+ { SYS, "sys", 0 },
+ { REW, "rew", 0 },
+ { QSYS, "qsys", 0 },
+ { ANA, "ana", 0 },
+ { QS, "qs", 0 },
+ { PTP, "ptp", 1 },
+ { VCAP, "vcap", 1 },
};
if (!np && !pdev->dev.platform_data)
@@ -204,8 +207,14 @@ static int mscc_ocelot_probe(struct platform_device *pdev)
struct regmap *target;
target = ocelot_io_platform_init(ocelot, pdev, res[i].name);
- if (IS_ERR(target))
+ if (IS_ERR(target)) {
+ if (res[i].optional) {
+ ocelot->targets[res[i].id] = NULL;
+ continue;
+ }
+
return PTR_ERR(target);
+ }
ocelot->targets[res[i].id] = target;
}
diff --git a/drivers/net/ethernet/mscc/ocelot_ptp.h b/drivers/net/ethernet/mscc/ocelot_ptp.h
new file mode 100644
index 000000000000..9ede14a12573
--- /dev/null
+++ b/drivers/net/ethernet/mscc/ocelot_ptp.h
@@ -0,0 +1,41 @@
+/* SPDX-License-Identifier: (GPL-2.0 OR MIT) */
+/*
+ * Microsemi Ocelot Switch driver
+ *
+ * License: Dual MIT/GPL
+ * Copyright (c) 2017 Microsemi Corporation
+ */
+
+#ifndef _MSCC_OCELOT_PTP_H_
+#define _MSCC_OCELOT_PTP_H_
+
+#define PTP_PIN_CFG_RSZ 0x20
+#define PTP_PIN_TOD_SEC_MSB_RSZ PTP_PIN_CFG_RSZ
+#define PTP_PIN_TOD_SEC_LSB_RSZ PTP_PIN_CFG_RSZ
+#define PTP_PIN_TOD_NSEC_RSZ PTP_PIN_CFG_RSZ
+
+#define PTP_PIN_CFG_DOM BIT(0)
+#define PTP_PIN_CFG_SYNC BIT(2)
+#define PTP_PIN_CFG_ACTION(x) ((x) << 3)
+#define PTP_PIN_CFG_ACTION_MASK PTP_PIN_CFG_ACTION(0x7)
+
+enum {
+ PTP_PIN_ACTION_IDLE = 0,
+ PTP_PIN_ACTION_LOAD,
+ PTP_PIN_ACTION_SAVE,
+ PTP_PIN_ACTION_CLOCK,
+ PTP_PIN_ACTION_DELTA,
+ PTP_PIN_ACTION_NOSYNC,
+ PTP_PIN_ACTION_SYNC,
+};
+
+#define PTP_CFG_MISC_PTP_EN BIT(2)
+
+#define PSEC_PER_SEC 1000000000000LL
+
+#define PTP_CFG_CLK_ADJ_CFG_ENA BIT(0)
+#define PTP_CFG_CLK_ADJ_CFG_DIR BIT(1)
+
+#define PTP_CFG_CLK_ADJ_FREQ_NS BIT(30)
+
+#endif
diff --git a/drivers/net/ethernet/mscc/ocelot_regs.c b/drivers/net/ethernet/mscc/ocelot_regs.c
index 9271af18b93b..bbba0f7a6962 100644
--- a/drivers/net/ethernet/mscc/ocelot_regs.c
+++ b/drivers/net/ethernet/mscc/ocelot_regs.c
@@ -224,12 +224,34 @@ static const u32 ocelot_sys_regmap[] = {
REG(SYS_PTP_CFG, 0x0006c4),
};
+static const u32 ocelot_ptp_regmap[] = {
+ REG(PTP_PIN_CFG, 0x000000),
+ REG(PTP_PIN_TOD_SEC_MSB, 0x000004),
+ REG(PTP_PIN_TOD_SEC_LSB, 0x000008),
+ REG(PTP_PIN_TOD_NSEC, 0x00000c),
+ REG(PTP_CFG_MISC, 0x0000a0),
+ REG(PTP_CLK_CFG_ADJ_CFG, 0x0000a4),
+ REG(PTP_CLK_CFG_ADJ_FREQ, 0x0000a8),
+};
+
+static const u32 ocelot_vcap_regmap[] = {
+ REG(VCAP_UPDATE_CTRL, 0x000000),
+ REG(VCAP_UPDATE_CTRL_MV_CFG, 0x000004),
+ REG(VCAP_UPDATE_CTRL_ENTRY_DATA, 0x000008),
+ REG(VCAP_UPDATE_CTRL_MASK_DATA, 0x000108),
+ REG(VCAP_UPDATE_CTRL_ACTION_DATA, 0x000208),
+ REG(VCAP_UPDATE_CTRL_COUNTER_DATA, 0x000308),
+ REG(VCAP_CACHE_DATA_TYPE, 0x000388),
+};
+
static const u32 *ocelot_regmap[] = {
[ANA] = ocelot_ana_regmap,
[QS] = ocelot_qs_regmap,
[QSYS] = ocelot_qsys_regmap,
[REW] = ocelot_rew_regmap,
[SYS] = ocelot_sys_regmap,
+ [PTP] = ocelot_ptp_regmap,
+ [VCAP] = ocelot_vcap_regmap,
};
static const struct reg_field ocelot_regfields[] = {
diff --git a/drivers/net/ethernet/mscc/ocelot_vcap.h b/drivers/net/ethernet/mscc/ocelot_vcap.h
new file mode 100644
index 000000000000..836bf0a96a73
--- /dev/null
+++ b/drivers/net/ethernet/mscc/ocelot_vcap.h
@@ -0,0 +1,104 @@
+/* SPDX-License-Identifier: (GPL-2.0 OR MIT) */
+/*
+ * Microsemi Ocelot Switch driver
+ *
+ * Copyright (c) 2018 Microsemi Corporation
+ */
+
+#ifndef _MSCC_OCELOT_VCAP_H_
+#define _MSCC_OCELOT_VCAP_H_
+
+/* Three PTP entries per port:
+ * - PTP ver Ethernet
+ * - PTP dst port 319
+ * - PTP dst port 320
+ */
+#define VCAP_IS2_N_PTP_ENTRIES 3
+
+/* VCAP */
+
+#define VCAP_UPDATE_CTRL_UPDATE_SHOT BIT(2)
+#define VCAP_UPDATE_CTRL_UPDATE_ADDR(x) (((x) & 0x3) << 16)
+#define VCAP_UPDATE_CTRL_UPDATE_COUNTER_DIS BIT(19)
+#define VCAP_UPDATE_CTRL_UPDATE_ACTION_DIS BIT(20)
+#define VCAP_UPDATE_CTRL_UPDATE_ENTRY_DIS BIT(21)
+#define VCAP_UPDATE_CTRL_UPDATE_CMD(x) (((x) & 0x3) << 22)
+
+enum vcap_cmds {
+ VCAP_CMD_WRITE = 0,
+ VCAP_CMD_READ,
+ VCAP_CMD_MOVE_UP,
+ VCAP_CMD_MOVE_DOWN,
+ VCAP_CMD_INIT,
+};
+
+enum vcap_selector {
+ VCAP_SEL_COUNTER = BIT(0),
+ VCAP_SEL_ACTION = BIT(1),
+ VCAP_SEL_ENTRY = BIT(2),
+};
+
+struct vcap_data {
+ u32 entry[12];
+ u32 mask[12];
+ u32 action[4];
+ u32 counter;
+ u32 type_group;
+};
+
+/* VCAP IS2 lookup */
+
+#define VCAP_IS2_LKP_TYPE 0
+#define VCAP_IS2_LKP_INGRESS_PORT_MASK 13
+#define VCAP_IS2_LKP_MC 27
+#define VCAP_IS2_LKP_BC 28
+#define VCAP_IS2_LKP_VLAN 29
+#define VCAP_IS2_LKP_VID 30
+#define VCAP_IS2_LKP_IP4 46
+#define VCAP_IS2_LKP_DST_IP4 59
+#define VCAP_IS2_LKP_SRC_IP4 91
+#define VCAP_IS2_LKP_TCP 124
+#define VCAP_IS2_LKP_DPORT 125
+#define VCAP_IS2_LKP_SPORT 141
+#define VCAP_IS2_LKP_ETYPE 142
+
+/* Masks */
+#define VCAP_IS2_LKP_TYPE_M 0xf
+#define VCAP_IS2_LKP_INGRESS_PORT_MASK_M 0xfff
+#define VCAP_IS2_LKP_VID_M 0xfff
+#define VCAP_IS2_LKP_DST_IP4_M 0xffffffff
+#define VCAP_IS2_LKP_SRC_IP4_M 0xffffffff
+#define VCAP_IS2_LKP_DPORT_M 0xffff
+#define VCAP_IS2_LKP_SPORT_M 0xffff
+#define VCAP_IS2_LKP_ETYPE_M 0xffff
+
+/* IS2 lookup types */
+#define VCAP_IS2_LKP_TYPE_MAC_ETYPE 0
+#define VCAP_IS2_LKP_TYPE_TCP_UDP 4
+
+/* VCAP IS2 action */
+
+#define VCAP_IS2_ACT_MASK_MODE 5
+#define VCAP_IS2_ACT_PORT_MASK 20
+#define VCAP_IS2_ACT_REW_OP 31
+
+/* Masks */
+#define VCAP_IS2_ACT_PORT_MASK_M 0x7ff
+#define VCAP_IS2_ACT_REW_OP_M 0x1ff
+
+/* IS2 mask modes */
+#define VCAP_IS2_ACT_MASK_MODE_NOOP 0x0
+#define VCAP_IS2_ACT_MASK_MODE_FILTER 0x1
+
+/* IS2 REW OPS */
+#define VCAP_IS2_ACT_REW_OP_NOOP 0x0
+#define VCAP_IS2_ACT_REW_OP_PTP_ONE 0x2
+#define VCAP_IS2_ACT_REW_OP_PTP_TWO 0x3
+
+/* In addition to VCAP_IS2_REW_OP_PTP_ONE */
+#define VCAP_IS2_ACT_REW_OP_SUB_DELAY_1 (0x1 << 3)
+#define VCAP_IS2_ACT_REW_OP_SUB_DELAY_2 (0x2 << 3)
+#define VCAP_IS2_ACT_REW_OP_ADD_DELAY (0x1 << 5)
+#define VCAP_IS2_ACT_REW_OP_ADD_SUB (0x1 << 7)
+
+#endif
--
2.20.1
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