Adding upstream version 2.8.0+dfsg.upstream/2.8.0+dfsgupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 249 insertions, 0 deletions

diff --git a/drivers/marvell/comphy/phy-comphy-3700.h b/drivers/marvell/comphy/phy-comphy-3700.h
new file mode 100644
index 0000000..ed07624
--- /dev/null
+++ b/drivers/marvell/comphy/phy-comphy-3700.h
@@ -0,0 +1,249 @@
+/*
+ * Copyright (C) 2018-2021 Marvell International Ltd.
+ *
+ * SPDX-License-Identifier:     BSD-3-Clause
+ * https://spdx.org/licenses
+ */
+
+#ifndef PHY_COMPHY_3700_H
+#define PHY_COMPHY_3700_H
+
+#define PLL_SET_DELAY_US			600
+#define COMPHY_PLL_TIMEOUT			1000
+#define REG_16_BIT_MASK				0xFFFF
+
+#define COMPHY_SELECTOR_PHY_REG			0xFC
+/* bit0: 0: Lane1 is GbE0; 1: Lane1 is PCIE */
+#define COMPHY_SELECTOR_PCIE_GBE0_SEL_BIT	BIT(0)
+/* bit4: 0: Lane0 is GbE1; 1: Lane0 is USB3 */
+#define COMPHY_SELECTOR_USB3_GBE1_SEL_BIT	BIT(4)
+/* bit8: 0: Lane0 is USB3 instead of GbE1, Lane2 is SATA; 1: Lane2 is USB3 */
+#define COMPHY_SELECTOR_USB3_PHY_SEL_BIT	BIT(8)
+
+/* SATA PHY register offset */
+#define SATAPHY_LANE2_REG_BASE_OFFSET		0x200
+
+/* USB3 PHY offset compared to SATA PHY */
+#define USB3PHY_LANE2_REG_BASE_OFFSET		0x200
+
+/* Comphy lane2 indirect access register offset */
+#define COMPHY_LANE2_INDIR_ADDR_OFFSET		0x0
+#define COMPHY_LANE2_INDIR_DATA_OFFSET		0x4
+
+/* PHY shift to get related register address */
+enum {
+	PCIE = 1,
+	USB3,
+};
+
+#define PCIEPHY_SHFT		2
+#define USB3PHY_SHFT		2
+#define PHY_SHFT(unit)		((unit == PCIE) ? PCIEPHY_SHFT : USB3PHY_SHFT)
+
+/* PHY register */
+#define COMPHY_POWER_PLL_CTRL		0x01
+#define PWR_PLL_CTRL_ADDR(unit)		(COMPHY_POWER_PLL_CTRL * PHY_SHFT(unit))
+#define PU_IVREF_BIT			BIT(15)
+#define PU_PLL_BIT			BIT(14)
+#define PU_RX_BIT			BIT(13)
+#define PU_TX_BIT			BIT(12)
+#define PU_TX_INTP_BIT			BIT(11)
+#define PU_DFE_BIT			BIT(10)
+#define RESET_DTL_RX_BIT		BIT(9)
+#define PLL_LOCK_BIT			BIT(8)
+#define REF_FREF_SEL_OFFSET		0
+#define REF_FREF_SEL_MASK		(0x1F << REF_FREF_SEL_OFFSET)
+#define REF_FREF_SEL_SERDES_25MHZ	(0x1 << REF_FREF_SEL_OFFSET)
+#define REF_FREF_SEL_SERDES_40MHZ	(0x3 << REF_FREF_SEL_OFFSET)
+#define REF_FREF_SEL_SERDES_50MHZ	(0x4 << REF_FREF_SEL_OFFSET)
+#define REF_FREF_SEL_PCIE_USB3_25MHZ	(0x2 << REF_FREF_SEL_OFFSET)
+#define REF_FREF_SEL_PCIE_USB3_40MHZ	(0x3 << REF_FREF_SEL_OFFSET)
+#define PHY_MODE_OFFSET			5
+#define PHY_MODE_MASK			(7 << PHY_MODE_OFFSET)
+#define PHY_MODE_SATA			(0x0 << PHY_MODE_OFFSET)
+#define PHY_MODE_PCIE			(0x3 << PHY_MODE_OFFSET)
+#define PHY_MODE_SGMII			(0x4 << PHY_MODE_OFFSET)
+#define PHY_MODE_USB3			(0x5 << PHY_MODE_OFFSET)
+
+#define COMPHY_KVCO_CAL_CTRL		0x02
+#define KVCO_CAL_CTRL_ADDR(unit)	(COMPHY_KVCO_CAL_CTRL * PHY_SHFT(unit))
+#define USE_MAX_PLL_RATE_BIT		BIT(12)
+#define SPEED_PLL_OFFSET		2
+#define SPEED_PLL_MASK			(0x3F << SPEED_PLL_OFFSET)
+#define SPEED_PLL_VALUE_16		(0x10 << SPEED_PLL_OFFSET)
+
+#define COMPHY_DIG_LOOPBACK_EN		0x23
+#define DIG_LOOPBACK_EN_ADDR(unit)	(COMPHY_DIG_LOOPBACK_EN * \
+					 PHY_SHFT(unit))
+#define SEL_DATA_WIDTH_OFFSET		10
+#define SEL_DATA_WIDTH_MASK		(0x3 << SEL_DATA_WIDTH_OFFSET)
+#define DATA_WIDTH_10BIT		(0x0 << SEL_DATA_WIDTH_OFFSET)
+#define DATA_WIDTH_20BIT		(0x1 << SEL_DATA_WIDTH_OFFSET)
+#define DATA_WIDTH_40BIT		(0x2 << SEL_DATA_WIDTH_OFFSET)
+#define PLL_READY_TX_BIT		BIT(4)
+
+#define COMPHY_SYNC_PATTERN		0x24
+#define SYNC_PATTERN_ADDR(unit)		(COMPHY_SYNC_PATTERN * PHY_SHFT(unit))
+#define TXD_INVERT_BIT			BIT(10)
+#define RXD_INVERT_BIT			BIT(11)
+
+#define COMPHY_SYNC_MASK_GEN		0x25
+#define PHY_GEN_MAX_OFFSET		10
+#define PHY_GEN_MAX_MASK		(3 << PHY_GEN_MAX_OFFSET)
+#define PHY_GEN_MAX_USB3_5G		(1 << PHY_GEN_MAX_OFFSET)
+
+#define COMPHY_ISOLATION_CTRL		0x26
+#define ISOLATION_CTRL_ADDR(unit)	(COMPHY_ISOLATION_REG * PHY_SHFT(unit))
+#define PHY_ISOLATE_MODE		BIT(15)
+
+#define COMPHY_GEN2_SET2		0x3e
+#define GEN2_SET2_ADDR(unit)		(COMPHY_GEN2_SET2 * PHY_SHFT(unit))
+#define GS2_TX_SSC_AMP_VALUE_20		BIT(14)
+#define GS2_TX_SSC_AMP_OFF		9
+#define GS2_TX_SSC_AMP_LEN		7
+#define GS2_TX_SSC_AMP_MASK		(((1 << GS2_TX_SSC_AMP_LEN) - 1) << \
+					 GS2_TX_SSC_AMP_OFF)
+#define GS2_VREG_RXTX_MAS_ISET_OFF	7
+#define GS2_VREG_RXTX_MAS_ISET_60U	(0 << GS2_VREG_RXTX_MAS_ISET_OFF)
+#define GS2_VREG_RXTX_MAS_ISET_80U	(1 << GS2_VREG_RXTX_MAS_ISET_OFF)
+#define GS2_VREG_RXTX_MAS_ISET_100U	(2 << GS2_VREG_RXTX_MAS_ISET_OFF)
+#define GS2_VREG_RXTX_MAS_ISET_120U	(3 << GS2_VREG_RXTX_MAS_ISET_OFF)
+#define GS2_VREG_RXTX_MAS_ISET_MASK	(BIT(7) | BIT(8))
+#define GS2_RSVD_6_0_OFF		0
+#define GS2_RSVD_6_0_LEN		7
+#define GS2_RSVD_6_0_MASK		(((1 << GS2_RSVD_6_0_LEN) - 1) << \
+					 GS2_RSVD_6_0_OFF)
+
+#define COMPHY_GEN3_SET2		0x3f
+#define GEN3_SET2_ADDR(unit)		(COMPHY_GEN3_SET2 * PHY_SHFT(unit))
+
+#define COMPHY_IDLE_SYNC_EN		0x48
+#define IDLE_SYNC_EN_ADDR(unit)		(COMPHY_IDLE_SYNC_EN * PHY_SHFT(unit))
+#define IDLE_SYNC_EN			BIT(12)
+#define IDLE_SYNC_EN_DEFAULT_VALUE	0x60
+
+#define COMPHY_MISC_CTRL0		0x4F
+#define MISC_CTRL0_ADDR(unit)		(COMPHY_MISC_CTRL0 * PHY_SHFT(unit))
+#define CLK100M_125M_EN			BIT(4)
+#define TXDCLK_2X_SEL			BIT(6)
+#define CLK500M_EN			BIT(7)
+#define PHY_REF_CLK_SEL			BIT(10)
+#define MISC_CTRL0_DEFAULT_VALUE	0xA00D
+
+#define COMPHY_MISC_CTRL1		0x73
+#define MISC_CTRL1_ADDR(unit)		(COMPHY_MISC_CTRL1 * PHY_SHFT(unit))
+#define SEL_BITS_PCIE_FORCE		BIT(15)
+
+#define COMPHY_GEN2_SET3		0x112
+#define GS3_FFE_CAP_SEL_MASK		0xF
+#define GS3_FFE_CAP_SEL_VALUE		0xF
+
+#define COMPHY_LANE_CFG0		0x180
+#define LANE_CFG0_ADDR(unit)		(COMPHY_LANE_CFG0 * PHY_SHFT(unit))
+#define PRD_TXDEEMPH0_MASK		BIT(0)
+#define PRD_TXMARGIN_MASK		(BIT(1) | BIT(2) | BIT(3))
+#define PRD_TXSWING_MASK		BIT(4)
+#define CFG_TX_ALIGN_POS_MASK		(BIT(5) | BIT(6) | BIT(7) | BIT(8))
+
+#define COMPHY_LANE_CFG1		0x181
+#define LANE_CFG1_ADDR(unit)		(COMPHY_LANE_CFG1 * PHY_SHFT(unit))
+#define PRD_TXDEEMPH1_MASK		BIT(15)
+#define USE_MAX_PLL_RATE_EN		BIT(9)
+#define TX_DET_RX_MODE			BIT(6)
+#define GEN2_TX_DATA_DLY_MASK		(BIT(3) | BIT(4))
+#define GEN2_TX_DATA_DLY_DEFT		(2 << 3)
+#define TX_ELEC_IDLE_MODE_EN		BIT(0)
+
+#define COMPHY_LANE_STAT1		0x183
+#define LANE_STAT1_ADDR(unit)		(COMPHY_LANE_STAT1 * PHY_SHFT(unit))
+#define TXDCLK_PCLK_EN				BIT(0)
+
+#define COMPHY_LANE_CFG4		0x188
+#define LANE_CFG4_ADDR(unit)		(COMPHY_LANE_CFG4 * PHY_SHFT(unit))
+#define SPREAD_SPECTRUM_CLK_EN		BIT(7)
+
+#define COMPHY_RST_CLK_CTRL		0x1C1
+#define RST_CLK_CTRL_ADDR(unit)		(COMPHY_RST_CLK_CTRL * PHY_SHFT(unit))
+#define SOFT_RESET			BIT(0)
+#define MODE_CORE_CLK_FREQ_SEL		BIT(9)
+#define MODE_PIPE_WIDTH_32		BIT(3)
+#define MODE_REFDIV_OFFSET		4
+#define MODE_REFDIV_LEN			2
+#define MODE_REFDIV_MASK		(0x3 << MODE_REFDIV_OFFSET)
+#define MODE_REFDIV_BY_4		(0x2 << MODE_REFDIV_OFFSET)
+
+#define COMPHY_TEST_MODE_CTRL		0x1C2
+#define TEST_MODE_CTRL_ADDR(unit)	(COMPHY_TEST_MODE_CTRL * PHY_SHFT(unit))
+#define MODE_MARGIN_OVERRIDE		BIT(2)
+
+#define COMPHY_CLK_SRC_LO		0x1C3
+#define CLK_SRC_LO_ADDR(unit)		(COMPHY_CLK_SRC_LO * PHY_SHFT(unit))
+#define MODE_CLK_SRC			BIT(0)
+#define BUNDLE_PERIOD_SEL		BIT(1)
+#define BUNDLE_PERIOD_SCALE_MASK	(BIT(2) | BIT(3))
+#define BUNDLE_SAMPLE_CTRL		BIT(4)
+#define PLL_READY_DLY_MASK		(BIT(5) | BIT(6) | BIT(7))
+#define CFG_SEL_20B			BIT(15)
+
+#define COMPHY_PWR_MGM_TIM1		0x1D0
+#define PWR_MGM_TIM1_ADDR(unit)		(COMPHY_PWR_MGM_TIM1 * PHY_SHFT(unit))
+#define CFG_PM_OSCCLK_WAIT_OFF		12
+#define CFG_PM_OSCCLK_WAIT_LEN		4
+#define CFG_PM_OSCCLK_WAIT_MASK		(((1 << CFG_PM_OSCCLK_WAIT_LEN) - 1) \
+					 << CFG_PM_OSCCLK_WAIT_OFF)
+#define CFG_PM_RXDEN_WAIT_OFF		8
+#define CFG_PM_RXDEN_WAIT_LEN		4
+#define CFG_PM_RXDEN_WAIT_MASK		(((1 << CFG_PM_RXDEN_WAIT_LEN) - 1) \
+					 << CFG_PM_RXDEN_WAIT_OFF)
+#define CFG_PM_RXDEN_WAIT_1_UNIT	(1 << CFG_PM_RXDEN_WAIT_OFF)
+#define CFG_PM_RXDLOZ_WAIT_OFF		0
+#define CFG_PM_RXDLOZ_WAIT_LEN		8
+#define CFG_PM_RXDLOZ_WAIT_MASK		(((1 << CFG_PM_RXDLOZ_WAIT_LEN) - 1) \
+					 << CFG_PM_RXDLOZ_WAIT_OFF)
+#define CFG_PM_RXDLOZ_WAIT_7_UNIT	(7 << CFG_PM_RXDLOZ_WAIT_OFF)
+#define CFG_PM_RXDLOZ_WAIT_12_UNIT	(0xC << CFG_PM_RXDLOZ_WAIT_OFF)
+
+/*
+ * This register is not from PHY lane register space. It only exists in the
+ * indirect register space, before the actual PHY lane 2 registers. So the
+ * offset is absolute, not relative to SATAPHY_LANE2_REG_BASE_OFFSET.
+ * It is used only for SATA PHY initialization.
+ */
+#define COMPHY_RESERVED_REG		0x0E
+#define PHYCTRL_FRM_PIN_BIT		BIT(13)
+
+/* SGMII */
+#define COMPHY_PHY_CFG1_OFFSET(lane)	((1 - (lane)) * 0x28)
+#define PIN_PU_IVREF_BIT		BIT(1)
+#define PIN_RESET_CORE_BIT		BIT(11)
+#define PIN_RESET_COMPHY_BIT		BIT(12)
+#define PIN_PU_PLL_BIT			BIT(16)
+#define PIN_PU_RX_BIT			BIT(17)
+#define PIN_PU_TX_BIT			BIT(18)
+#define PIN_TX_IDLE_BIT			BIT(19)
+#define GEN_RX_SEL_OFFSET		22
+#define GEN_RX_SEL_MASK			(0xF << GEN_RX_SEL_OFFSET)
+#define GEN_TX_SEL_OFFSET		26
+#define GEN_TX_SEL_MASK			(0xF << GEN_TX_SEL_OFFSET)
+#define PHY_RX_INIT_BIT			BIT(30)
+#define SD_SPEED_1_25_G			0x6
+#define SD_SPEED_3_125_G		0x8
+
+/* COMPHY status reg:
+ * lane0: USB3/GbE1 PHY Status 1
+ * lane1: PCIe/GbE0 PHY Status 1
+ */
+#define COMPHY_PHY_STATUS_OFFSET(lane)	(0x18 + (1 - (lane)) * 0x28)
+#define PHY_RX_INIT_DONE_BIT		BIT(0)
+#define PHY_PLL_READY_RX_BIT		BIT(2)
+#define PHY_PLL_READY_TX_BIT		BIT(3)
+
+#define SGMIIPHY_ADDR(off, base)	((((off) & 0x00007FF) * 2) + (base))
+
+#define MAX_LANE_NR			3
+
+/* comphy API */
+int mvebu_3700_comphy_is_pll_locked(uint8_t comphy_index, uint32_t comphy_mode);
+int mvebu_3700_comphy_power_off(uint8_t comphy_index, uint32_t comphy_mode);
+int mvebu_3700_comphy_power_on(uint8_t comphy_index, uint32_t comphy_mode);
+#endif /* PHY_COMPHY_3700_H */