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-rw-r--r--drivers/net/phy/mscc/mscc_main.c608
1 files changed, 353 insertions, 255 deletions
diff --git a/drivers/net/phy/mscc/mscc_main.c b/drivers/net/phy/mscc/mscc_main.c
index 2f2157e3deab..3a7705228ed5 100644
--- a/drivers/net/phy/mscc/mscc_main.c
+++ b/drivers/net/phy/mscc/mscc_main.c
@@ -17,7 +17,7 @@
#include <linux/of.h>
#include <linux/netdevice.h>
#include <dt-bindings/net/mscc-phy-vsc8531.h>
-
+#include "mscc_serdes.h"
#include "mscc.h"
static const struct vsc85xx_hw_stat vsc85xx_hw_stats[] = {
@@ -689,7 +689,7 @@ out_unlock:
}
/* phydev->bus->mdio_lock should be locked when using this function */
-static int phy_base_write(struct phy_device *phydev, u32 regnum, u16 val)
+int phy_base_write(struct phy_device *phydev, u32 regnum, u16 val)
{
if (unlikely(!mutex_is_locked(&phydev->mdio.bus->mdio_lock))) {
dev_err(&phydev->mdio.dev, "MDIO bus lock not held!\n");
@@ -700,7 +700,7 @@ static int phy_base_write(struct phy_device *phydev, u32 regnum, u16 val)
}
/* phydev->bus->mdio_lock should be locked when using this function */
-static int phy_base_read(struct phy_device *phydev, u32 regnum)
+int phy_base_read(struct phy_device *phydev, u32 regnum)
{
if (unlikely(!mutex_is_locked(&phydev->mdio.bus->mdio_lock))) {
dev_err(&phydev->mdio.dev, "MDIO bus lock not held!\n");
@@ -710,6 +710,113 @@ static int phy_base_read(struct phy_device *phydev, u32 regnum)
return __phy_package_read(phydev, regnum);
}
+u32 vsc85xx_csr_read(struct phy_device *phydev,
+ enum csr_target target, u32 reg)
+{
+ unsigned long deadline;
+ u32 val, val_l, val_h;
+
+ phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_CSR_CNTL);
+
+ /* CSR registers are grouped under different Target IDs.
+ * 6-bit Target_ID is split between MSCC_EXT_PAGE_CSR_CNTL_20 and
+ * MSCC_EXT_PAGE_CSR_CNTL_19 registers.
+ * Target_ID[5:2] maps to bits[3:0] of MSCC_EXT_PAGE_CSR_CNTL_20
+ * and Target_ID[1:0] maps to bits[13:12] of MSCC_EXT_PAGE_CSR_CNTL_19.
+ */
+
+ /* Setup the Target ID */
+ phy_base_write(phydev, MSCC_EXT_PAGE_CSR_CNTL_20,
+ MSCC_PHY_CSR_CNTL_20_TARGET(target >> 2));
+
+ if ((target >> 2 == 0x1) || (target >> 2 == 0x3))
+ /* non-MACsec access */
+ target &= 0x3;
+ else
+ target = 0;
+
+ /* Trigger CSR Action - Read into the CSR's */
+ phy_base_write(phydev, MSCC_EXT_PAGE_CSR_CNTL_19,
+ MSCC_PHY_CSR_CNTL_19_CMD | MSCC_PHY_CSR_CNTL_19_READ |
+ MSCC_PHY_CSR_CNTL_19_REG_ADDR(reg) |
+ MSCC_PHY_CSR_CNTL_19_TARGET(target));
+
+ /* Wait for register access*/
+ deadline = jiffies + msecs_to_jiffies(PROC_CMD_NCOMPLETED_TIMEOUT_MS);
+ do {
+ usleep_range(500, 1000);
+ val = phy_base_read(phydev, MSCC_EXT_PAGE_CSR_CNTL_19);
+ } while (time_before(jiffies, deadline) &&
+ !(val & MSCC_PHY_CSR_CNTL_19_CMD));
+
+ if (!(val & MSCC_PHY_CSR_CNTL_19_CMD))
+ return 0xffffffff;
+
+ /* Read the Least Significant Word (LSW) (17) */
+ val_l = phy_base_read(phydev, MSCC_EXT_PAGE_CSR_CNTL_17);
+
+ /* Read the Most Significant Word (MSW) (18) */
+ val_h = phy_base_read(phydev, MSCC_EXT_PAGE_CSR_CNTL_18);
+
+ phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS,
+ MSCC_PHY_PAGE_STANDARD);
+
+ return (val_h << 16) | val_l;
+}
+
+int vsc85xx_csr_write(struct phy_device *phydev,
+ enum csr_target target, u32 reg, u32 val)
+{
+ unsigned long deadline;
+
+ phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_CSR_CNTL);
+
+ /* CSR registers are grouped under different Target IDs.
+ * 6-bit Target_ID is split between MSCC_EXT_PAGE_CSR_CNTL_20 and
+ * MSCC_EXT_PAGE_CSR_CNTL_19 registers.
+ * Target_ID[5:2] maps to bits[3:0] of MSCC_EXT_PAGE_CSR_CNTL_20
+ * and Target_ID[1:0] maps to bits[13:12] of MSCC_EXT_PAGE_CSR_CNTL_19.
+ */
+
+ /* Setup the Target ID */
+ phy_base_write(phydev, MSCC_EXT_PAGE_CSR_CNTL_20,
+ MSCC_PHY_CSR_CNTL_20_TARGET(target >> 2));
+
+ /* Write the Least Significant Word (LSW) (17) */
+ phy_base_write(phydev, MSCC_EXT_PAGE_CSR_CNTL_17, (u16)val);
+
+ /* Write the Most Significant Word (MSW) (18) */
+ phy_base_write(phydev, MSCC_EXT_PAGE_CSR_CNTL_18, (u16)(val >> 16));
+
+ if ((target >> 2 == 0x1) || (target >> 2 == 0x3))
+ /* non-MACsec access */
+ target &= 0x3;
+ else
+ target = 0;
+
+ /* Trigger CSR Action - Write into the CSR's */
+ phy_base_write(phydev, MSCC_EXT_PAGE_CSR_CNTL_19,
+ MSCC_PHY_CSR_CNTL_19_CMD |
+ MSCC_PHY_CSR_CNTL_19_REG_ADDR(reg) |
+ MSCC_PHY_CSR_CNTL_19_TARGET(target));
+
+ /* Wait for register access */
+ deadline = jiffies + msecs_to_jiffies(PROC_CMD_NCOMPLETED_TIMEOUT_MS);
+ do {
+ usleep_range(500, 1000);
+ val = phy_base_read(phydev, MSCC_EXT_PAGE_CSR_CNTL_19);
+ } while (time_before(jiffies, deadline) &&
+ !(val & MSCC_PHY_CSR_CNTL_19_CMD));
+
+ if (!(val & MSCC_PHY_CSR_CNTL_19_CMD))
+ return -ETIMEDOUT;
+
+ phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS,
+ MSCC_PHY_PAGE_STANDARD);
+
+ return 0;
+}
+
/* bus->mdio_lock should be locked when using this function */
static void vsc8584_csr_write(struct phy_device *phydev, u16 addr, u32 val)
{
@@ -719,7 +826,7 @@ static void vsc8584_csr_write(struct phy_device *phydev, u16 addr, u32 val)
}
/* bus->mdio_lock should be locked when using this function */
-static int vsc8584_cmd(struct phy_device *phydev, u16 val)
+int vsc8584_cmd(struct phy_device *phydev, u16 val)
{
unsigned long deadline;
u16 reg_val;
@@ -1131,6 +1238,92 @@ out:
return ret;
}
+/* Access LCPLL Cfg_2 */
+static void vsc8584_pll5g_cfg2_wr(struct phy_device *phydev,
+ bool disable_fsm)
+{
+ u32 rd_dat;
+
+ rd_dat = vsc85xx_csr_read(phydev, MACRO_CTRL, PHY_S6G_PLL5G_CFG2);
+ rd_dat &= ~BIT(PHY_S6G_CFG2_FSM_DIS);
+ rd_dat |= (disable_fsm << PHY_S6G_CFG2_FSM_DIS);
+ vsc85xx_csr_write(phydev, MACRO_CTRL, PHY_S6G_PLL5G_CFG2, rd_dat);
+}
+
+/* trigger a read to the spcified MCB */
+static int vsc8584_mcb_rd_trig(struct phy_device *phydev,
+ u32 mcb_reg_addr, u8 mcb_slave_num)
+{
+ u32 rd_dat = 0;
+
+ /* read MCB */
+ vsc85xx_csr_write(phydev, MACRO_CTRL, mcb_reg_addr,
+ (0x40000000 | (1L << mcb_slave_num)));
+
+ return read_poll_timeout(vsc85xx_csr_read, rd_dat,
+ !(rd_dat & 0x40000000),
+ 4000, 200000, 0,
+ phydev, MACRO_CTRL, mcb_reg_addr);
+}
+
+/* trigger a write to the spcified MCB */
+static int vsc8584_mcb_wr_trig(struct phy_device *phydev,
+ u32 mcb_reg_addr,
+ u8 mcb_slave_num)
+{
+ u32 rd_dat = 0;
+
+ /* write back MCB */
+ vsc85xx_csr_write(phydev, MACRO_CTRL, mcb_reg_addr,
+ (0x80000000 | (1L << mcb_slave_num)));
+
+ return read_poll_timeout(vsc85xx_csr_read, rd_dat,
+ !(rd_dat & 0x80000000),
+ 4000, 200000, 0,
+ phydev, MACRO_CTRL, mcb_reg_addr);
+}
+
+/* Sequence to Reset LCPLL for the VIPER and ELISE PHY */
+static int vsc8584_pll5g_reset(struct phy_device *phydev)
+{
+ bool dis_fsm;
+ int ret = 0;
+
+ ret = vsc8584_mcb_rd_trig(phydev, 0x11, 0);
+ if (ret < 0)
+ goto done;
+ dis_fsm = 1;
+
+ /* Reset LCPLL */
+ vsc8584_pll5g_cfg2_wr(phydev, dis_fsm);
+
+ /* write back LCPLL MCB */
+ ret = vsc8584_mcb_wr_trig(phydev, 0x11, 0);
+ if (ret < 0)
+ goto done;
+
+ /* 10 mSec sleep while LCPLL is hold in reset */
+ usleep_range(10000, 20000);
+
+ /* read LCPLL MCB into CSRs */
+ ret = vsc8584_mcb_rd_trig(phydev, 0x11, 0);
+ if (ret < 0)
+ goto done;
+ dis_fsm = 0;
+
+ /* Release the Reset of LCPLL */
+ vsc8584_pll5g_cfg2_wr(phydev, dis_fsm);
+
+ /* write back LCPLL MCB */
+ ret = vsc8584_mcb_wr_trig(phydev, 0x11, 0);
+ if (ret < 0)
+ goto done;
+
+ usleep_range(110000, 200000);
+done:
+ return ret;
+}
+
/* bus->mdio_lock should be locked when using this function */
static int vsc8584_config_pre_init(struct phy_device *phydev)
{
@@ -1323,6 +1516,21 @@ static void vsc8584_get_base_addr(struct phy_device *phydev)
vsc8531->addr = addr;
}
+static void vsc85xx_coma_mode_release(struct phy_device *phydev)
+{
+ /* The coma mode (pin or reg) provides an optional feature that
+ * may be used to control when the PHYs become active.
+ * Alternatively the COMA_MODE pin may be connected low
+ * so that the PHYs are fully active once out of reset.
+ */
+
+ /* Enable output (mode=0) and write zero to it */
+ vsc85xx_phy_write_page(phydev, MSCC_PHY_PAGE_EXTENDED_GPIO);
+ __phy_modify(phydev, MSCC_PHY_GPIO_CONTROL_2,
+ MSCC_PHY_COMA_MODE | MSCC_PHY_COMA_OUTPUT, 0);
+ vsc85xx_phy_write_page(phydev, MSCC_PHY_PAGE_STANDARD);
+}
+
static int vsc8584_config_init(struct phy_device *phydev)
{
struct vsc8531_private *vsc8531 = phydev->priv;
@@ -1541,6 +1749,100 @@ static int vsc85xx_config_init(struct phy_device *phydev)
return 0;
}
+static int __phy_write_mcb_s6g(struct phy_device *phydev, u32 reg, u8 mcb,
+ u32 op)
+{
+ unsigned long deadline;
+ u32 val;
+ int ret;
+
+ ret = vsc85xx_csr_write(phydev, PHY_MCB_TARGET, reg,
+ op | (1 << mcb));
+ if (ret)
+ return -EINVAL;
+
+ deadline = jiffies + msecs_to_jiffies(PROC_CMD_NCOMPLETED_TIMEOUT_MS);
+ do {
+ usleep_range(500, 1000);
+ val = vsc85xx_csr_read(phydev, PHY_MCB_TARGET, reg);
+
+ if (val == 0xffffffff)
+ return -EIO;
+
+ } while (time_before(jiffies, deadline) && (val & op));
+
+ if (val & op)
+ return -ETIMEDOUT;
+
+ return 0;
+}
+
+/* Trigger a read to the specified MCB */
+int phy_update_mcb_s6g(struct phy_device *phydev, u32 reg, u8 mcb)
+{
+ return __phy_write_mcb_s6g(phydev, reg, mcb, PHY_MCB_S6G_READ);
+}
+
+/* Trigger a write to the specified MCB */
+int phy_commit_mcb_s6g(struct phy_device *phydev, u32 reg, u8 mcb)
+{
+ return __phy_write_mcb_s6g(phydev, reg, mcb, PHY_MCB_S6G_WRITE);
+}
+
+static int vsc8514_config_host_serdes(struct phy_device *phydev)
+{
+ int ret;
+ u16 val;
+
+ ret = phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS,
+ MSCC_PHY_PAGE_EXTENDED_GPIO);
+ if (ret)
+ return ret;
+
+ val = phy_base_read(phydev, MSCC_PHY_MAC_CFG_FASTLINK);
+ val &= ~MAC_CFG_MASK;
+ val |= MAC_CFG_QSGMII;
+ ret = phy_base_write(phydev, MSCC_PHY_MAC_CFG_FASTLINK, val);
+ if (ret)
+ return ret;
+
+ ret = phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS,
+ MSCC_PHY_PAGE_STANDARD);
+ if (ret)
+ return ret;
+
+ ret = vsc8584_cmd(phydev, PROC_CMD_NOP);
+ if (ret)
+ return ret;
+
+ ret = vsc8584_cmd(phydev,
+ PROC_CMD_MCB_ACCESS_MAC_CONF |
+ PROC_CMD_RST_CONF_PORT |
+ PROC_CMD_READ_MOD_WRITE_PORT | PROC_CMD_QSGMII_MAC);
+ if (ret) {
+ dev_err(&phydev->mdio.dev, "%s: QSGMII error: %d\n",
+ __func__, ret);
+ return ret;
+ }
+
+ /* Apply 6G SerDes FOJI Algorithm
+ * Initial condition requirement:
+ * 1. hold 8051 in reset
+ * 2. disable patch vector 0, in order to allow IB cal poll during FoJi
+ * 3. deassert 8051 reset after change patch vector status
+ * 4. proceed with FoJi (vsc85xx_sd6g_config_v2)
+ */
+ vsc8584_micro_assert_reset(phydev);
+ val = phy_base_read(phydev, MSCC_INT_MEM_CNTL);
+ /* clear bit 8, to disable patch vector 0 */
+ val &= ~PATCH_VEC_ZERO_EN;
+ ret = phy_base_write(phydev, MSCC_INT_MEM_CNTL, val);
+ /* Enable 8051 clock, don't set patch present, disable PRAM clock override */
+ vsc8584_micro_deassert_reset(phydev, false);
+
+ return vsc85xx_sd6g_config_v2(phydev);
+}
+
static int vsc8514_config_pre_init(struct phy_device *phydev)
{
/* These are the settings to override the silicon default
@@ -1569,8 +1871,16 @@ static int vsc8514_config_pre_init(struct phy_device *phydev)
{0x16b2, 0x00007000},
{0x16b4, 0x00000814},
};
+ struct device *dev = &phydev->mdio.dev;
unsigned int i;
u16 reg;
+ int ret;
+
+ ret = vsc8584_pll5g_reset(phydev);
+ if (ret < 0) {
+ dev_err(dev, "failed LCPLL reset, ret: %d\n", ret);
+ return ret;
+ }
phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_STANDARD);
@@ -1602,151 +1912,48 @@ static int vsc8514_config_pre_init(struct phy_device *phydev)
reg &= ~SMI_BROADCAST_WR_EN;
phy_base_write(phydev, MSCC_PHY_EXT_CNTL_STATUS, reg);
- return 0;
-}
-
-static u32 vsc85xx_csr_ctrl_phy_read(struct phy_device *phydev,
- u32 target, u32 reg)
-{
- unsigned long deadline;
- u32 val, val_l, val_h;
-
- phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_CSR_CNTL);
-
- /* CSR registers are grouped under different Target IDs.
- * 6-bit Target_ID is split between MSCC_EXT_PAGE_CSR_CNTL_20 and
- * MSCC_EXT_PAGE_CSR_CNTL_19 registers.
- * Target_ID[5:2] maps to bits[3:0] of MSCC_EXT_PAGE_CSR_CNTL_20
- * and Target_ID[1:0] maps to bits[13:12] of MSCC_EXT_PAGE_CSR_CNTL_19.
- */
-
- /* Setup the Target ID */
- phy_base_write(phydev, MSCC_EXT_PAGE_CSR_CNTL_20,
- MSCC_PHY_CSR_CNTL_20_TARGET(target >> 2));
-
- /* Trigger CSR Action - Read into the CSR's */
- phy_base_write(phydev, MSCC_EXT_PAGE_CSR_CNTL_19,
- MSCC_PHY_CSR_CNTL_19_CMD | MSCC_PHY_CSR_CNTL_19_READ |
- MSCC_PHY_CSR_CNTL_19_REG_ADDR(reg) |
- MSCC_PHY_CSR_CNTL_19_TARGET(target & 0x3));
-
- /* Wait for register access*/
- deadline = jiffies + msecs_to_jiffies(PROC_CMD_NCOMPLETED_TIMEOUT_MS);
- do {
- usleep_range(500, 1000);
- val = phy_base_read(phydev, MSCC_EXT_PAGE_CSR_CNTL_19);
- } while (time_before(jiffies, deadline) &&
- !(val & MSCC_PHY_CSR_CNTL_19_CMD));
-
- if (!(val & MSCC_PHY_CSR_CNTL_19_CMD))
- return 0xffffffff;
-
- /* Read the Least Significant Word (LSW) (17) */
- val_l = phy_base_read(phydev, MSCC_EXT_PAGE_CSR_CNTL_17);
-
- /* Read the Most Significant Word (MSW) (18) */
- val_h = phy_base_read(phydev, MSCC_EXT_PAGE_CSR_CNTL_18);
-
- phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS,
- MSCC_PHY_PAGE_STANDARD);
-
- return (val_h << 16) | val_l;
-}
-
-static int vsc85xx_csr_ctrl_phy_write(struct phy_device *phydev,
- u32 target, u32 reg, u32 val)
-{
- unsigned long deadline;
-
- phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_CSR_CNTL);
-
- /* CSR registers are grouped under different Target IDs.
- * 6-bit Target_ID is split between MSCC_EXT_PAGE_CSR_CNTL_20 and
- * MSCC_EXT_PAGE_CSR_CNTL_19 registers.
- * Target_ID[5:2] maps to bits[3:0] of MSCC_EXT_PAGE_CSR_CNTL_20
- * and Target_ID[1:0] maps to bits[13:12] of MSCC_EXT_PAGE_CSR_CNTL_19.
+ /* Add pre-patching commands to:
+ * 1. enable 8051 clock, operate 8051 clock at 125 MHz
+ * instead of HW default 62.5MHz
+ * 2. write patch vector 0, to skip IB cal polling executed
+ * as part of the 0x80E0 ROM command
*/
+ vsc8584_micro_deassert_reset(phydev, false);
- /* Setup the Target ID */
- phy_base_write(phydev, MSCC_EXT_PAGE_CSR_CNTL_20,
- MSCC_PHY_CSR_CNTL_20_TARGET(target >> 2));
-
- /* Write the Least Significant Word (LSW) (17) */
- phy_base_write(phydev, MSCC_EXT_PAGE_CSR_CNTL_17, (u16)val);
-
- /* Write the Most Significant Word (MSW) (18) */
- phy_base_write(phydev, MSCC_EXT_PAGE_CSR_CNTL_18, (u16)(val >> 16));
-
- /* Trigger CSR Action - Write into the CSR's */
- phy_base_write(phydev, MSCC_EXT_PAGE_CSR_CNTL_19,
- MSCC_PHY_CSR_CNTL_19_CMD |
- MSCC_PHY_CSR_CNTL_19_REG_ADDR(reg) |
- MSCC_PHY_CSR_CNTL_19_TARGET(target & 0x3));
-
- /* Wait for register access */
- deadline = jiffies + msecs_to_jiffies(PROC_CMD_NCOMPLETED_TIMEOUT_MS);
- do {
- usleep_range(500, 1000);
- val = phy_base_read(phydev, MSCC_EXT_PAGE_CSR_CNTL_19);
- } while (time_before(jiffies, deadline) &&
- !(val & MSCC_PHY_CSR_CNTL_19_CMD));
-
- if (!(val & MSCC_PHY_CSR_CNTL_19_CMD))
- return -ETIMEDOUT;
-
+ vsc8584_micro_assert_reset(phydev);
phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS,
- MSCC_PHY_PAGE_STANDARD);
-
- return 0;
-}
-
-static int __phy_write_mcb_s6g(struct phy_device *phydev, u32 reg, u8 mcb,
- u32 op)
-{
- unsigned long deadline;
- u32 val;
- int ret;
-
- ret = vsc85xx_csr_ctrl_phy_write(phydev, PHY_MCB_TARGET, reg,
- op | (1 << mcb));
+ MSCC_PHY_PAGE_EXTENDED_GPIO);
+ /* ROM address to trap, for patch vector 0 */
+ reg = MSCC_ROM_TRAP_SERDES_6G_CFG;
+ ret = phy_base_write(phydev, MSCC_TRAP_ROM_ADDR(1), reg);
if (ret)
- return -EINVAL;
-
- deadline = jiffies + msecs_to_jiffies(PROC_CMD_NCOMPLETED_TIMEOUT_MS);
- do {
- usleep_range(500, 1000);
- val = vsc85xx_csr_ctrl_phy_read(phydev, PHY_MCB_TARGET, reg);
-
- if (val == 0xffffffff)
- return -EIO;
-
- } while (time_before(jiffies, deadline) && (val & op));
-
- if (val & op)
- return -ETIMEDOUT;
-
- return 0;
-}
-
-/* Trigger a read to the specified MCB */
-static int phy_update_mcb_s6g(struct phy_device *phydev, u32 reg, u8 mcb)
-{
- return __phy_write_mcb_s6g(phydev, reg, mcb, PHY_MCB_S6G_READ);
-}
+ goto err;
+ /* RAM address to jump to, when patch vector 0 enabled */
+ reg = MSCC_RAM_TRAP_SERDES_6G_CFG;
+ ret = phy_base_write(phydev, MSCC_PATCH_RAM_ADDR(1), reg);
+ if (ret)
+ goto err;
+ reg = phy_base_read(phydev, MSCC_INT_MEM_CNTL);
+ reg |= PATCH_VEC_ZERO_EN; /* bit 8, enable patch vector 0 */
+ ret = phy_base_write(phydev, MSCC_INT_MEM_CNTL, reg);
+ if (ret)
+ goto err;
-/* Trigger a write to the specified MCB */
-static int phy_commit_mcb_s6g(struct phy_device *phydev, u32 reg, u8 mcb)
-{
- return __phy_write_mcb_s6g(phydev, reg, mcb, PHY_MCB_S6G_WRITE);
+ /* Enable 8051 clock, don't set patch present
+ * yet, disable PRAM clock override
+ */
+ vsc8584_micro_deassert_reset(phydev, false);
+ return ret;
+ err:
+ /* restore 8051 and bail w error */
+ vsc8584_micro_deassert_reset(phydev, false);
+ return ret;
}
static int vsc8514_config_init(struct phy_device *phydev)
{
struct vsc8531_private *vsc8531 = phydev->priv;
- unsigned long deadline;
int ret, i;
- u16 val;
- u32 reg;
phydev->mdix_ctrl = ETH_TP_MDI_AUTO;
@@ -1763,123 +1970,14 @@ static int vsc8514_config_init(struct phy_device *phydev)
* do the correct init sequence for all PHYs that are package-critical
* in this pre-init function.
*/
- if (phy_package_init_once(phydev))
- vsc8514_config_pre_init(phydev);
-
- ret = phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS,
- MSCC_PHY_PAGE_EXTENDED_GPIO);
- if (ret)
- goto err;
-
- val = phy_base_read(phydev, MSCC_PHY_MAC_CFG_FASTLINK);
-
- val &= ~MAC_CFG_MASK;
- val |= MAC_CFG_QSGMII;
- ret = phy_base_write(phydev, MSCC_PHY_MAC_CFG_FASTLINK, val);
- if (ret)
- goto err;
-
- ret = phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS,
- MSCC_PHY_PAGE_STANDARD);
- if (ret)
- goto err;
-
- ret = vsc8584_cmd(phydev,
- PROC_CMD_MCB_ACCESS_MAC_CONF |
- PROC_CMD_RST_CONF_PORT |
- PROC_CMD_READ_MOD_WRITE_PORT | PROC_CMD_QSGMII_MAC);
- if (ret)
- goto err;
-
- /* 6g mcb */
- phy_update_mcb_s6g(phydev, PHY_MCB_S6G_CFG, 0);
- /* lcpll mcb */
- phy_update_mcb_s6g(phydev, PHY_S6G_LCPLL_CFG, 0);
- /* pll5gcfg0 */
- ret = vsc85xx_csr_ctrl_phy_write(phydev, PHY_MCB_TARGET,
- PHY_S6G_PLL5G_CFG0, 0x7036f145);
- if (ret)
- goto err;
-
- phy_commit_mcb_s6g(phydev, PHY_S6G_LCPLL_CFG, 0);
- /* pllcfg */
- ret = vsc85xx_csr_ctrl_phy_write(phydev, PHY_MCB_TARGET,
- PHY_S6G_PLL_CFG,
- (3 << PHY_S6G_PLL_ENA_OFFS_POS) |
- (120 << PHY_S6G_PLL_FSM_CTRL_DATA_POS)
- | (0 << PHY_S6G_PLL_FSM_ENA_POS));
- if (ret)
- goto err;
-
- /* commoncfg */
- ret = vsc85xx_csr_ctrl_phy_write(phydev, PHY_MCB_TARGET,
- PHY_S6G_COMMON_CFG,
- (0 << PHY_S6G_SYS_RST_POS) |
- (0 << PHY_S6G_ENA_LANE_POS) |
- (0 << PHY_S6G_ENA_LOOP_POS) |
- (0 << PHY_S6G_QRATE_POS) |
- (3 << PHY_S6G_IF_MODE_POS));
- if (ret)
- goto err;
-
- /* misccfg */
- ret = vsc85xx_csr_ctrl_phy_write(phydev, PHY_MCB_TARGET,
- PHY_S6G_MISC_CFG, 1);
- if (ret)
- goto err;
-
- /* gpcfg */
- ret = vsc85xx_csr_ctrl_phy_write(phydev, PHY_MCB_TARGET,
- PHY_S6G_GPC_CFG, 768);
- if (ret)
- goto err;
-
- phy_commit_mcb_s6g(phydev, PHY_S6G_DFT_CFG2, 0);
-
- deadline = jiffies + msecs_to_jiffies(PROC_CMD_NCOMPLETED_TIMEOUT_MS);
- do {
- usleep_range(500, 1000);
- phy_update_mcb_s6g(phydev, PHY_MCB_S6G_CFG,
- 0); /* read 6G MCB into CSRs */
- reg = vsc85xx_csr_ctrl_phy_read(phydev, PHY_MCB_TARGET,
- PHY_S6G_PLL_STATUS);
- if (reg == 0xffffffff) {
- phy_unlock_mdio_bus(phydev);
- return -EIO;
- }
-
- } while (time_before(jiffies, deadline) && (reg & BIT(12)));
-
- if (reg & BIT(12)) {
- phy_unlock_mdio_bus(phydev);
- return -ETIMEDOUT;
- }
-
- /* misccfg */
- ret = vsc85xx_csr_ctrl_phy_write(phydev, PHY_MCB_TARGET,
- PHY_S6G_MISC_CFG, 0);
- if (ret)
- goto err;
-
- phy_commit_mcb_s6g(phydev, PHY_MCB_S6G_CFG, 0);
-
- deadline = jiffies + msecs_to_jiffies(PROC_CMD_NCOMPLETED_TIMEOUT_MS);
- do {
- usleep_range(500, 1000);
- phy_update_mcb_s6g(phydev, PHY_MCB_S6G_CFG,
- 0); /* read 6G MCB into CSRs */
- reg = vsc85xx_csr_ctrl_phy_read(phydev, PHY_MCB_TARGET,
- PHY_S6G_IB_STATUS0);
- if (reg == 0xffffffff) {
- phy_unlock_mdio_bus(phydev);
- return -EIO;
- }
-
- } while (time_before(jiffies, deadline) && !(reg & BIT(8)));
-
- if (!(reg & BIT(8))) {
- phy_unlock_mdio_bus(phydev);
- return -ETIMEDOUT;
+ if (phy_package_init_once(phydev)) {
+ ret = vsc8514_config_pre_init(phydev);
+ if (ret)
+ goto err;
+ ret = vsc8514_config_host_serdes(phydev);
+ if (ret)
+ goto err;
+ vsc85xx_coma_mode_release(phydev);
}
phy_unlock_mdio_bus(phydev);