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path: root/drivers/net/ethernet/hisilicon/hns/hns_dsaf_misc.c
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Diffstat (limited to 'drivers/net/ethernet/hisilicon/hns/hns_dsaf_misc.c')
-rw-r--r--drivers/net/ethernet/hisilicon/hns/hns_dsaf_misc.c302
1 files changed, 259 insertions, 43 deletions
diff --git a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_misc.c b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_misc.c
index a837bb9e3839..611b67b6f450 100644
--- a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_misc.c
+++ b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_misc.c
@@ -12,6 +12,27 @@
#include "hns_dsaf_ppe.h"
#include "hns_dsaf_reg.h"
+enum _dsm_op_index {
+ HNS_OP_RESET_FUNC = 0x1,
+ HNS_OP_SERDES_LP_FUNC = 0x2,
+ HNS_OP_LED_SET_FUNC = 0x3,
+ HNS_OP_GET_PORT_TYPE_FUNC = 0x4,
+ HNS_OP_GET_SFP_STAT_FUNC = 0x5,
+};
+
+enum _dsm_rst_type {
+ HNS_DSAF_RESET_FUNC = 0x1,
+ HNS_PPE_RESET_FUNC = 0x2,
+ HNS_XGE_CORE_RESET_FUNC = 0x3,
+ HNS_XGE_RESET_FUNC = 0x4,
+ HNS_GE_RESET_FUNC = 0x5,
+};
+
+const u8 hns_dsaf_acpi_dsm_uuid[] = {
+ 0x1A, 0xAA, 0x85, 0x1A, 0x93, 0xE2, 0x5E, 0x41,
+ 0x8E, 0x28, 0x8D, 0x69, 0x0A, 0x0F, 0x82, 0x0A
+};
+
static void dsaf_write_sub(struct dsaf_device *dsaf_dev, u32 reg, u32 val)
{
if (dsaf_dev->sub_ctrl)
@@ -32,8 +53,8 @@ static u32 dsaf_read_sub(struct dsaf_device *dsaf_dev, u32 reg)
return ret;
}
-void hns_cpld_set_led(struct hns_mac_cb *mac_cb, int link_status,
- u16 speed, int data)
+static void hns_cpld_set_led(struct hns_mac_cb *mac_cb, int link_status,
+ u16 speed, int data)
{
int speed_reg = 0;
u8 value;
@@ -65,13 +86,14 @@ void hns_cpld_set_led(struct hns_mac_cb *mac_cb, int link_status,
mac_cb->cpld_led_value = value;
}
} else {
- dsaf_write_syscon(mac_cb->cpld_ctrl, mac_cb->cpld_ctrl_reg,
- CPLD_LED_DEFAULT_VALUE);
- mac_cb->cpld_led_value = CPLD_LED_DEFAULT_VALUE;
+ value = (mac_cb->cpld_led_value) & (0x1 << DSAF_LED_ANCHOR_B);
+ dsaf_write_syscon(mac_cb->cpld_ctrl,
+ mac_cb->cpld_ctrl_reg, value);
+ mac_cb->cpld_led_value = value;
}
}
-void cpld_led_reset(struct hns_mac_cb *mac_cb)
+static void cpld_led_reset(struct hns_mac_cb *mac_cb)
{
if (!mac_cb || !mac_cb->cpld_ctrl)
return;
@@ -81,8 +103,8 @@ void cpld_led_reset(struct hns_mac_cb *mac_cb)
mac_cb->cpld_led_value = CPLD_LED_DEFAULT_VALUE;
}
-int cpld_set_led_id(struct hns_mac_cb *mac_cb,
- enum hnae_led_state status)
+static int cpld_set_led_id(struct hns_mac_cb *mac_cb,
+ enum hnae_led_state status)
{
switch (status) {
case HNAE_LED_ACTIVE:
@@ -93,7 +115,7 @@ int cpld_set_led_id(struct hns_mac_cb *mac_cb,
CPLD_LED_ON_VALUE);
dsaf_write_syscon(mac_cb->cpld_ctrl, mac_cb->cpld_ctrl_reg,
mac_cb->cpld_led_value);
- return 2;
+ break;
case HNAE_LED_INACTIVE:
dsaf_set_bit(mac_cb->cpld_led_value, DSAF_LED_ANCHOR_B,
CPLD_LED_DEFAULT_VALUE);
@@ -101,7 +123,8 @@ int cpld_set_led_id(struct hns_mac_cb *mac_cb,
mac_cb->cpld_led_value);
break;
default:
- break;
+ dev_err(mac_cb->dev, "invalid led state: %d!", status);
+ return -EINVAL;
}
return 0;
@@ -109,12 +132,40 @@ int cpld_set_led_id(struct hns_mac_cb *mac_cb,
#define RESET_REQ_OR_DREQ 1
-void hns_dsaf_rst(struct dsaf_device *dsaf_dev, u32 val)
+static void hns_dsaf_acpi_srst_by_port(struct dsaf_device *dsaf_dev, u8 op_type,
+ u32 port_type, u32 port, u32 val)
+{
+ union acpi_object *obj;
+ union acpi_object obj_args[3], argv4;
+
+ obj_args[0].integer.type = ACPI_TYPE_INTEGER;
+ obj_args[0].integer.value = port_type;
+ obj_args[1].integer.type = ACPI_TYPE_INTEGER;
+ obj_args[1].integer.value = port;
+ obj_args[2].integer.type = ACPI_TYPE_INTEGER;
+ obj_args[2].integer.value = val;
+
+ argv4.type = ACPI_TYPE_PACKAGE;
+ argv4.package.count = 3;
+ argv4.package.elements = obj_args;
+
+ obj = acpi_evaluate_dsm(ACPI_HANDLE(dsaf_dev->dev),
+ hns_dsaf_acpi_dsm_uuid, 0, op_type, &argv4);
+ if (!obj) {
+ dev_warn(dsaf_dev->dev, "reset port_type%d port%d fail!",
+ port_type, port);
+ return;
+ }
+
+ ACPI_FREE(obj);
+}
+
+static void hns_dsaf_rst(struct dsaf_device *dsaf_dev, bool dereset)
{
u32 xbar_reg_addr;
u32 nt_reg_addr;
- if (!val) {
+ if (!dereset) {
xbar_reg_addr = DSAF_SUB_SC_XBAR_RESET_REQ_REG;
nt_reg_addr = DSAF_SUB_SC_NT_RESET_REQ_REG;
} else {
@@ -126,7 +177,15 @@ void hns_dsaf_rst(struct dsaf_device *dsaf_dev, u32 val)
dsaf_write_sub(dsaf_dev, nt_reg_addr, RESET_REQ_OR_DREQ);
}
-void hns_dsaf_xge_srst_by_port(struct dsaf_device *dsaf_dev, u32 port, u32 val)
+static void hns_dsaf_rst_acpi(struct dsaf_device *dsaf_dev, bool dereset)
+{
+ hns_dsaf_acpi_srst_by_port(dsaf_dev, HNS_OP_RESET_FUNC,
+ HNS_DSAF_RESET_FUNC,
+ 0, dereset);
+}
+
+static void hns_dsaf_xge_srst_by_port(struct dsaf_device *dsaf_dev, u32 port,
+ bool dereset)
{
u32 reg_val = 0;
u32 reg_addr;
@@ -137,7 +196,7 @@ void hns_dsaf_xge_srst_by_port(struct dsaf_device *dsaf_dev, u32 port, u32 val)
reg_val |= RESET_REQ_OR_DREQ;
reg_val |= 0x2082082 << dsaf_dev->mac_cb[port]->port_rst_off;
- if (val == 0)
+ if (!dereset)
reg_addr = DSAF_SUB_SC_XGE_RESET_REQ_REG;
else
reg_addr = DSAF_SUB_SC_XGE_RESET_DREQ_REG;
@@ -145,8 +204,15 @@ void hns_dsaf_xge_srst_by_port(struct dsaf_device *dsaf_dev, u32 port, u32 val)
dsaf_write_sub(dsaf_dev, reg_addr, reg_val);
}
-void hns_dsaf_xge_core_srst_by_port(struct dsaf_device *dsaf_dev,
- u32 port, u32 val)
+static void hns_dsaf_xge_srst_by_port_acpi(struct dsaf_device *dsaf_dev,
+ u32 port, bool dereset)
+{
+ hns_dsaf_acpi_srst_by_port(dsaf_dev, HNS_OP_RESET_FUNC,
+ HNS_XGE_RESET_FUNC, port, dereset);
+}
+
+static void hns_dsaf_xge_core_srst_by_port(struct dsaf_device *dsaf_dev,
+ u32 port, bool dereset)
{
u32 reg_val = 0;
u32 reg_addr;
@@ -157,7 +223,7 @@ void hns_dsaf_xge_core_srst_by_port(struct dsaf_device *dsaf_dev,
reg_val |= XGMAC_TRX_CORE_SRST_M
<< dsaf_dev->mac_cb[port]->port_rst_off;
- if (val == 0)
+ if (!dereset)
reg_addr = DSAF_SUB_SC_XGE_RESET_REQ_REG;
else
reg_addr = DSAF_SUB_SC_XGE_RESET_DREQ_REG;
@@ -165,7 +231,16 @@ void hns_dsaf_xge_core_srst_by_port(struct dsaf_device *dsaf_dev,
dsaf_write_sub(dsaf_dev, reg_addr, reg_val);
}
-void hns_dsaf_ge_srst_by_port(struct dsaf_device *dsaf_dev, u32 port, u32 val)
+static void
+hns_dsaf_xge_core_srst_by_port_acpi(struct dsaf_device *dsaf_dev,
+ u32 port, bool dereset)
+{
+ hns_dsaf_acpi_srst_by_port(dsaf_dev, HNS_OP_RESET_FUNC,
+ HNS_XGE_CORE_RESET_FUNC, port, dereset);
+}
+
+static void hns_dsaf_ge_srst_by_port(struct dsaf_device *dsaf_dev, u32 port,
+ bool dereset)
{
u32 reg_val_1;
u32 reg_val_2;
@@ -178,12 +253,11 @@ void hns_dsaf_ge_srst_by_port(struct dsaf_device *dsaf_dev, u32 port, u32 val)
reg_val_1 = 0x1 << port;
port_rst_off = dsaf_dev->mac_cb[port]->port_rst_off;
/* there is difference between V1 and V2 in register.*/
- if (AE_IS_VER1(dsaf_dev->dsaf_ver))
- reg_val_2 = 0x1041041 << port_rst_off;
- else
- reg_val_2 = 0x2082082 << port_rst_off;
+ reg_val_2 = AE_IS_VER1(dsaf_dev->dsaf_ver) ?
+ 0x1041041 : 0x2082082;
+ reg_val_2 <<= port_rst_off;
- if (val == 0) {
+ if (!dereset) {
dsaf_write_sub(dsaf_dev, DSAF_SUB_SC_GE_RESET_REQ1_REG,
reg_val_1);
@@ -197,10 +271,13 @@ void hns_dsaf_ge_srst_by_port(struct dsaf_device *dsaf_dev, u32 port, u32 val)
reg_val_1);
}
} else {
- reg_val_1 = 0x15540 << dsaf_dev->reset_offset;
- reg_val_2 = 0x100 << dsaf_dev->reset_offset;
+ reg_val_1 = 0x15540;
+ reg_val_2 = AE_IS_VER1(dsaf_dev->dsaf_ver) ? 0x100 : 0x40;
+
+ reg_val_1 <<= dsaf_dev->reset_offset;
+ reg_val_2 <<= dsaf_dev->reset_offset;
- if (val == 0) {
+ if (!dereset) {
dsaf_write_sub(dsaf_dev, DSAF_SUB_SC_GE_RESET_REQ1_REG,
reg_val_1);
@@ -216,14 +293,22 @@ void hns_dsaf_ge_srst_by_port(struct dsaf_device *dsaf_dev, u32 port, u32 val)
}
}
-void hns_ppe_srst_by_port(struct dsaf_device *dsaf_dev, u32 port, u32 val)
+static void hns_dsaf_ge_srst_by_port_acpi(struct dsaf_device *dsaf_dev,
+ u32 port, bool dereset)
+{
+ hns_dsaf_acpi_srst_by_port(dsaf_dev, HNS_OP_RESET_FUNC,
+ HNS_GE_RESET_FUNC, port, dereset);
+}
+
+static void hns_ppe_srst_by_port(struct dsaf_device *dsaf_dev, u32 port,
+ bool dereset)
{
u32 reg_val = 0;
u32 reg_addr;
reg_val |= RESET_REQ_OR_DREQ << dsaf_dev->mac_cb[port]->port_rst_off;
- if (val == 0)
+ if (!dereset)
reg_addr = DSAF_SUB_SC_PPE_RESET_REQ_REG;
else
reg_addr = DSAF_SUB_SC_PPE_RESET_DREQ_REG;
@@ -231,15 +316,24 @@ void hns_ppe_srst_by_port(struct dsaf_device *dsaf_dev, u32 port, u32 val)
dsaf_write_sub(dsaf_dev, reg_addr, reg_val);
}
-void hns_ppe_com_srst(struct ppe_common_cb *ppe_common, u32 val)
+static void
+hns_ppe_srst_by_port_acpi(struct dsaf_device *dsaf_dev, u32 port, bool dereset)
+{
+ hns_dsaf_acpi_srst_by_port(dsaf_dev, HNS_OP_RESET_FUNC,
+ HNS_PPE_RESET_FUNC, port, dereset);
+}
+
+static void hns_ppe_com_srst(struct dsaf_device *dsaf_dev, bool dereset)
{
- struct dsaf_device *dsaf_dev = ppe_common->dsaf_dev;
u32 reg_val;
u32 reg_addr;
+ if (!(dev_of_node(dsaf_dev->dev)))
+ return;
+
if (!HNS_DSAF_IS_DEBUG(dsaf_dev)) {
reg_val = RESET_REQ_OR_DREQ;
- if (val == 0)
+ if (!dereset)
reg_addr = DSAF_SUB_SC_RCB_PPE_COM_RESET_REQ_REG;
else
reg_addr = DSAF_SUB_SC_RCB_PPE_COM_RESET_DREQ_REG;
@@ -247,7 +341,7 @@ void hns_ppe_com_srst(struct ppe_common_cb *ppe_common, u32 val)
} else {
reg_val = 0x100 << dsaf_dev->reset_offset;
- if (val == 0)
+ if (!dereset)
reg_addr = DSAF_SUB_SC_PPE_RESET_REQ_REG;
else
reg_addr = DSAF_SUB_SC_PPE_RESET_DREQ_REG;
@@ -261,7 +355,7 @@ void hns_ppe_com_srst(struct ppe_common_cb *ppe_common, u32 val)
* @mac_cb: mac control block
* retuen phy interface
*/
-phy_interface_t hns_mac_get_phy_if(struct hns_mac_cb *mac_cb)
+static phy_interface_t hns_mac_get_phy_if(struct hns_mac_cb *mac_cb)
{
u32 mode;
u32 reg;
@@ -293,6 +387,36 @@ phy_interface_t hns_mac_get_phy_if(struct hns_mac_cb *mac_cb)
return phy_if;
}
+static phy_interface_t hns_mac_get_phy_if_acpi(struct hns_mac_cb *mac_cb)
+{
+ phy_interface_t phy_if = PHY_INTERFACE_MODE_NA;
+ union acpi_object *obj;
+ union acpi_object obj_args, argv4;
+
+ obj_args.integer.type = ACPI_TYPE_INTEGER;
+ obj_args.integer.value = mac_cb->mac_id;
+
+ argv4.type = ACPI_TYPE_PACKAGE,
+ argv4.package.count = 1,
+ argv4.package.elements = &obj_args,
+
+ obj = acpi_evaluate_dsm(ACPI_HANDLE(mac_cb->dev),
+ hns_dsaf_acpi_dsm_uuid, 0,
+ HNS_OP_GET_PORT_TYPE_FUNC, &argv4);
+
+ if (!obj || obj->type != ACPI_TYPE_INTEGER)
+ return phy_if;
+
+ phy_if = obj->integer.value ?
+ PHY_INTERFACE_MODE_XGMII : PHY_INTERFACE_MODE_SGMII;
+
+ dev_dbg(mac_cb->dev, "mac_id=%d, phy_if=%d\n", mac_cb->mac_id, phy_if);
+
+ ACPI_FREE(obj);
+
+ return phy_if;
+}
+
int hns_mac_get_sfp_prsnt(struct hns_mac_cb *mac_cb, int *sfp_prsnt)
{
if (!mac_cb->cpld_ctrl)
@@ -309,13 +433,8 @@ int hns_mac_get_sfp_prsnt(struct hns_mac_cb *mac_cb, int *sfp_prsnt)
* @mac_cb: mac control block
* retuen 0 == success
*/
-int hns_mac_config_sds_loopback(struct hns_mac_cb *mac_cb, u8 en)
+static int hns_mac_config_sds_loopback(struct hns_mac_cb *mac_cb, bool en)
{
- /* port 0-3 hilink4 base is serdes_vaddr + 0x00280000
- * port 4-7 hilink3 base is serdes_vaddr + 0x00200000
- */
- u8 *base_addr = (u8 *)mac_cb->serdes_vaddr +
- (mac_cb->mac_id <= 3 ? 0x00280000 : 0x00200000);
const u8 lane_id[] = {
0, /* mac 0 -> lane 0 */
1, /* mac 1 -> lane 1 */
@@ -332,7 +451,7 @@ int hns_mac_config_sds_loopback(struct hns_mac_cb *mac_cb, u8 en)
int sfp_prsnt;
int ret = hns_mac_get_sfp_prsnt(mac_cb, &sfp_prsnt);
- if (!mac_cb->phy_node) {
+ if (!mac_cb->phy_dev) {
if (ret)
pr_info("please confirm sfp is present or not\n");
else
@@ -341,13 +460,110 @@ int hns_mac_config_sds_loopback(struct hns_mac_cb *mac_cb, u8 en)
}
if (mac_cb->serdes_ctrl) {
- u32 origin = dsaf_read_syscon(mac_cb->serdes_ctrl, reg_offset);
+ u32 origin;
+
+ if (!AE_IS_VER1(mac_cb->dsaf_dev->dsaf_ver)) {
+#define HILINK_ACCESS_SEL_CFG 0x40008
+ /* hilink4 & hilink3 use the same xge training and
+ * xge u adaptor. There is a hilink access sel cfg
+ * register to select which one to be configed
+ */
+ if ((!HNS_DSAF_IS_DEBUG(mac_cb->dsaf_dev)) &&
+ (mac_cb->mac_id <= 3))
+ dsaf_write_syscon(mac_cb->serdes_ctrl,
+ HILINK_ACCESS_SEL_CFG, 0);
+ else
+ dsaf_write_syscon(mac_cb->serdes_ctrl,
+ HILINK_ACCESS_SEL_CFG, 3);
+ }
- dsaf_set_field(origin, 1ull << 10, 10, !!en);
+ origin = dsaf_read_syscon(mac_cb->serdes_ctrl, reg_offset);
+
+ dsaf_set_field(origin, 1ull << 10, 10, en);
dsaf_write_syscon(mac_cb->serdes_ctrl, reg_offset, origin);
} else {
- dsaf_set_reg_field(base_addr, reg_offset, 1ull << 10, 10, !!en);
+ u8 *base_addr = (u8 *)mac_cb->serdes_vaddr +
+ (mac_cb->mac_id <= 3 ? 0x00280000 : 0x00200000);
+ dsaf_set_reg_field(base_addr, reg_offset, 1ull << 10, 10, en);
+ }
+
+ return 0;
+}
+
+static int
+hns_mac_config_sds_loopback_acpi(struct hns_mac_cb *mac_cb, bool en)
+{
+ union acpi_object *obj;
+ union acpi_object obj_args[3], argv4;
+
+ obj_args[0].integer.type = ACPI_TYPE_INTEGER;
+ obj_args[0].integer.value = mac_cb->mac_id;
+ obj_args[1].integer.type = ACPI_TYPE_INTEGER;
+ obj_args[1].integer.value = !!en;
+
+ argv4.type = ACPI_TYPE_PACKAGE;
+ argv4.package.count = 2;
+ argv4.package.elements = obj_args;
+
+ obj = acpi_evaluate_dsm(ACPI_HANDLE(mac_cb->dsaf_dev->dev),
+ hns_dsaf_acpi_dsm_uuid, 0,
+ HNS_OP_SERDES_LP_FUNC, &argv4);
+ if (!obj) {
+ dev_warn(mac_cb->dsaf_dev->dev, "set port%d serdes lp fail!",
+ mac_cb->mac_id);
+
+ return -ENOTSUPP;
}
+ ACPI_FREE(obj);
+
return 0;
}
+
+struct dsaf_misc_op *hns_misc_op_get(struct dsaf_device *dsaf_dev)
+{
+ struct dsaf_misc_op *misc_op;
+
+ misc_op = devm_kzalloc(dsaf_dev->dev, sizeof(*misc_op), GFP_KERNEL);
+ if (!misc_op)
+ return NULL;
+
+ if (dev_of_node(dsaf_dev->dev)) {
+ misc_op->cpld_set_led = hns_cpld_set_led;
+ misc_op->cpld_reset_led = cpld_led_reset;
+ misc_op->cpld_set_led_id = cpld_set_led_id;
+
+ misc_op->dsaf_reset = hns_dsaf_rst;
+ misc_op->xge_srst = hns_dsaf_xge_srst_by_port;
+ misc_op->xge_core_srst = hns_dsaf_xge_core_srst_by_port;
+ misc_op->ge_srst = hns_dsaf_ge_srst_by_port;
+ misc_op->ppe_srst = hns_ppe_srst_by_port;
+ misc_op->ppe_comm_srst = hns_ppe_com_srst;
+
+ misc_op->get_phy_if = hns_mac_get_phy_if;
+ misc_op->get_sfp_prsnt = hns_mac_get_sfp_prsnt;
+
+ misc_op->cfg_serdes_loopback = hns_mac_config_sds_loopback;
+ } else if (is_acpi_node(dsaf_dev->dev->fwnode)) {
+ misc_op->cpld_set_led = hns_cpld_set_led;
+ misc_op->cpld_reset_led = cpld_led_reset;
+ misc_op->cpld_set_led_id = cpld_set_led_id;
+
+ misc_op->dsaf_reset = hns_dsaf_rst_acpi;
+ misc_op->xge_srst = hns_dsaf_xge_srst_by_port_acpi;
+ misc_op->xge_core_srst = hns_dsaf_xge_core_srst_by_port_acpi;
+ misc_op->ge_srst = hns_dsaf_ge_srst_by_port_acpi;
+ misc_op->ppe_srst = hns_ppe_srst_by_port_acpi;
+ misc_op->ppe_comm_srst = hns_ppe_com_srst;
+
+ misc_op->get_phy_if = hns_mac_get_phy_if_acpi;
+ misc_op->get_sfp_prsnt = hns_mac_get_sfp_prsnt;
+
+ misc_op->cfg_serdes_loopback = hns_mac_config_sds_loopback_acpi;
+ } else {
+ devm_kfree(dsaf_dev->dev, (void *)misc_op);
+ misc_op = NULL;
+ }
+
+ return (void *)misc_op;
+}