[RFC,04/28] phy: qcom-qmp-pcie: split pcs_misc region for ipq6018 pcie gen3

Commit Message

Dmitry Baryshkov June 10, 2022, 7:09 p.m. UTC

Follow the example of other PCIe PHYs and use separate pcs_misc region
to access PCS_PCIE_* resources.

Signed-off-by: Dmitry Baryshkov <[e-mail]>
---
 drivers/phy/qualcomm/phy-qcom-qmp-pcie.c |  9 +++++++
 drivers/phy/qualcomm/phy-qcom-qmp.h      | 32 ++++++++++++------------
 2 files changed, 25 insertions(+), 16 deletions(-)

Patch

diff --git a/drivers/phy/qualcomm/phy-qcom-qmp-pcie.c b/drivers/phy/qualcomm/phy-qcom-qmp-pcie.c
index b2cd0cf965d8..987f0b1d023c 100644
--- a/drivers/phy/qualcomm/phy-qcom-qmp-pcie.c
+++ b/drivers/phy/qualcomm/phy-qcom-qmp-pcie.c
@@ -361,6 +361,9 @@  static const struct qmp_phy_init_tbl ipq6018_pcie_pcs_tbl[] = {
 	QMP_PHY_INIT_CFG(PCS_COM_P2U3_WAKEUP_DLY_TIME_AUXCLK_L, 0x01),
 	QMP_PHY_INIT_CFG(PCS_COM_RX_DCC_CAL_CONFIG, 0x01),
 	QMP_PHY_INIT_CFG(PCS_COM_EQ_CONFIG5, 0x01),
+};
+
+static const struct qmp_phy_init_tbl ipq6018_pcie_pcs_misc_tbl[] = {
 	QMP_PHY_INIT_CFG(PCS_PCIE_POWER_STATE_CONFIG2, 0x0d),
 	QMP_PHY_INIT_CFG(PCS_PCIE_POWER_STATE_CONFIG4, 0x07),
 	QMP_PHY_INIT_CFG(PCS_PCIE_ENDPOINT_REFCLK_DRIVE, 0xc1),
@@ -1433,6 +1436,8 @@  static const struct qmp_phy_cfg ipq6018_pciephy_cfg = {
 	.rx_tbl_num		= ARRAY_SIZE(ipq6018_pcie_rx_tbl),
 	.pcs_tbl		= ipq6018_pcie_pcs_tbl,
 	.pcs_tbl_num		= ARRAY_SIZE(ipq6018_pcie_pcs_tbl),
+	.pcs_misc_tbl		= ipq6018_pcie_pcs_misc_tbl,
+	.pcs_misc_tbl_num	= ARRAY_SIZE(ipq6018_pcie_pcs_misc_tbl),
 	.clk_list		= ipq8074_pciephy_clk_l,
 	.num_clks		= ARRAY_SIZE(ipq8074_pciephy_clk_l),
 	.reset_list		= ipq8074_pciephy_reset_l,
@@ -2207,6 +2212,10 @@  int qcom_qmp_phy_pcie_create(struct device *dev, struct device_node *np, int id,
 		qphy->pcs_misc = of_iomap(np, 3);
 	}
 
+	if (!qphy->pcs_misc &&
+	    of_device_is_compatible(dev->of_node, "qcom,ipq6018-qmp-pcie-phy"))
+		qphy->pcs_misc = qphy->pcs + 0x400;
+
 	if (!qphy->pcs_misc)
 		dev_vdbg(dev, "PHY pcs_misc-reg not used\n");
 
diff --git a/drivers/phy/qualcomm/phy-qcom-qmp.h b/drivers/phy/qualcomm/phy-qcom-qmp.h
index c07227f352b3..adb155a45923 100644
--- a/drivers/phy/qualcomm/phy-qcom-qmp.h
+++ b/drivers/phy/qualcomm/phy-qcom-qmp.h
@@ -121,22 +121,22 @@ 
 
 /* QMP V2 PHY for PCIE gen3 ports - PCS Misc registers */
 
-#define PCS_PCIE_POWER_STATE_CONFIG2			0x40c
-#define PCS_PCIE_POWER_STATE_CONFIG4			0x414
-#define PCS_PCIE_ENDPOINT_REFCLK_DRIVE			0x41c
-#define PCS_PCIE_L1P1_WAKEUP_DLY_TIME_AUXCLK_L		0x440
-#define PCS_PCIE_L1P1_WAKEUP_DLY_TIME_AUXCLK_H		0x444
-#define PCS_PCIE_L1P2_WAKEUP_DLY_TIME_AUXCLK_L		0x448
-#define PCS_PCIE_L1P2_WAKEUP_DLY_TIME_AUXCLK_H		0x44c
-#define PCS_PCIE_OSC_DTCT_CONFIG2			0x45c
-#define PCS_PCIE_OSC_DTCT_MODE2_CONFIG2			0x478
-#define PCS_PCIE_OSC_DTCT_MODE2_CONFIG4			0x480
-#define PCS_PCIE_OSC_DTCT_MODE2_CONFIG5			0x484
-#define PCS_PCIE_OSC_DTCT_ACTIONS			0x490
-#define PCS_PCIE_EQ_CONFIG1				0x4a0
-#define PCS_PCIE_EQ_CONFIG2				0x4a4
-#define PCS_PCIE_PRESET_P10_PRE				0x4bc
-#define PCS_PCIE_PRESET_P10_POST			0x4e0
+#define PCS_PCIE_POWER_STATE_CONFIG2			0x00c
+#define PCS_PCIE_POWER_STATE_CONFIG4			0x014
+#define PCS_PCIE_ENDPOINT_REFCLK_DRIVE			0x01c
+#define PCS_PCIE_L1P1_WAKEUP_DLY_TIME_AUXCLK_L		0x040
+#define PCS_PCIE_L1P1_WAKEUP_DLY_TIME_AUXCLK_H		0x044
+#define PCS_PCIE_L1P2_WAKEUP_DLY_TIME_AUXCLK_L		0x048
+#define PCS_PCIE_L1P2_WAKEUP_DLY_TIME_AUXCLK_H		0x04c
+#define PCS_PCIE_OSC_DTCT_CONFIG2			0x05c
+#define PCS_PCIE_OSC_DTCT_MODE2_CONFIG2			0x078
+#define PCS_PCIE_OSC_DTCT_MODE2_CONFIG4			0x080
+#define PCS_PCIE_OSC_DTCT_MODE2_CONFIG5			0x084
+#define PCS_PCIE_OSC_DTCT_ACTIONS			0x090
+#define PCS_PCIE_EQ_CONFIG1				0x0a0
+#define PCS_PCIE_EQ_CONFIG2				0x0a4
+#define PCS_PCIE_PRESET_P10_PRE				0x0bc
+#define PCS_PCIE_PRESET_P10_POST			0x0e0
 
 /* Only for QMP V2 PHY - QSERDES COM registers */
 #define QSERDES_COM_BG_TIMER				0x00c