drivers/phy: Add Marvell SerDes / PHY drivers used on Armada 3k

This version is based on the Marvell U-Boot version with this patch
applied as latest patch:

Git ID 7f408573: "fix: comphy: cp110: add comphy initialization for usb
device mode" from 2016-07-05.

Signed-off-by: Stefan Roese <sr@denx.de>
Cc: Nadav Haklai <nadavh@marvell.com>
Cc: Kostya Porotchkin <kostap@marvell.com>
Cc: Wilson Ding <dingwei@marvell.com>
Cc: Victor Gu <xigu@marvell.com>
Cc: Hua Jing <jinghua@marvell.com>
Cc: Terry Zhou <bjzhou@marvell.com>
Cc: Hanna Hawa <hannah@marvell.com>
Cc: Haim Boot <hayim@marvell.com>

1 files changed, 275 insertions, 0 deletions

diff --git a/drivers/phy/marvell/comphy_a3700.h b/drivers/phy/marvell/comphy_a3700.h
new file mode 100644
index 0000000000..eb2ed7b317
--- /dev/null
+++ b/drivers/phy/marvell/comphy_a3700.h
@@ -0,0 +1,275 @@
+/*
+ * Copyright (C) 2015-2016 Marvell International Ltd.
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#ifndef _COMPHY_A3700_H_
+#define _COMPHY_A3700_H_
+
+#include "comphy.h"
+#include "comphy_hpipe.h"
+
+#define MVEBU_REG(offs)			((uintptr_t)MVEBU_REGISTER(offs))
+
+#define DEFAULT_REFCLK_MHZ		25
+#define PLL_SET_DELAY_US		600
+#define PLL_LOCK_TIMEOUT		1000
+#define POLL_16B_REG			1
+#define POLL_32B_REG			0
+
+/*
+ * COMPHY SB definitions
+ */
+#define COMPHY_SEL_ADDR			MVEBU_REG(0x0183FC)
+#define rf_compy_select(lane)		(0x1 << (((lane) == 1) ? 4 : 0))
+
+#define COMPHY_PHY_CFG1_ADDR(lane)	MVEBU_REG(0x018300 + (lane) * 0x28)
+#define rb_pin_pu_iveref		BIT(1)
+#define rb_pin_reset_core		BIT(11)
+#define rb_pin_reset_comphy		BIT(12)
+#define rb_pin_pu_pll			BIT(16)
+#define rb_pin_pu_rx			BIT(17)
+#define rb_pin_pu_tx			BIT(18)
+#define rb_pin_tx_idle			BIT(19)
+#define rf_gen_rx_sel_shift		22
+#define rf_gen_rx_select		(0xFF << rf_gen_rx_sel_shift)
+#define rf_gen_tx_sel_shift		26
+#define rf_gen_tx_select		(0xFF << rf_gen_tx_sel_shift)
+#define rb_phy_rx_init			BIT(30)
+
+#define COMPHY_PHY_STAT1_ADDR(lane)	MVEBU_REG(0x018318 + (lane) * 0x28)
+#define rb_rx_init_done			BIT(0)
+#define rb_pll_ready_rx			BIT(2)
+#define rb_pll_ready_tx			BIT(3)
+
+/*
+ * PCIe/USB/SGMII definitions
+ */
+#define PCIE_BASE			MVEBU_REG(0x070000)
+#define PCIETOP_BASE			MVEBU_REG(0x080000)
+#define PCIE_RAMBASE			MVEBU_REG(0x08C000)
+#define PCIEPHY_BASE			MVEBU_REG(0x01F000)
+#define PCIEPHY_SHFT			2
+
+#define USB32_BASE			MVEBU_REG(0x050000) /* usb3 device */
+#define USB32H_BASE			MVEBU_REG(0x058000) /* usb3 host */
+#define USB3PHY_BASE			MVEBU_REG(0x05C000)
+#define USB2PHY_BASE			MVEBU_REG(0x05D000)
+#define USB2PHY2_BASE			MVEBU_REG(0x05F000)
+#define USB32_CTRL_BASE			MVEBU_REG(0x05D800)
+#define USB3PHY_SHFT			2
+
+#define SGMIIPHY_BASE(l)	(l == 1 ? USB3PHY_BASE : PCIEPHY_BASE)
+#define SGMIIPHY_ADDR(l, a)	(((a & 0x00007FF) * 2) | SGMIIPHY_BASE(l))
+
+#define phy_read16(l, a)	read16((void __iomem *)SGMIIPHY_ADDR(l, a))
+#define phy_write16(l, a, data, mask)	\
+	reg_set16((void __iomem *)SGMIIPHY_ADDR(l, a), data, mask)
+
+/* units */
+#define PCIE				1
+#define USB3				2
+
+#define PHY_BASE(unit)		((unit == PCIE) ? PCIEPHY_BASE : USB3PHY_BASE)
+#define PHY_SHFT(unit)		((unit == PCIE) ? PCIEPHY_SHFT : USB3PHY_SHFT)
+
+/* bit definition for USB32_CTRL_BASE (USB32 Control Mode) */
+#define usb32_ctrl_id_mode		BIT(0)
+#define usb32_ctrl_soft_id		BIT(1)
+#define usb32_ctrl_int_mode		BIT(4)
+
+
+#define PHY_PWR_PLL_CTRL_ADDR	0x01	/* for phy_read16 and phy_write16 */
+#define PWR_PLL_CTRL_ADDR(unit)		\
+	(PHY_PWR_PLL_CTRL_ADDR * PHY_SHFT(unit) + PHY_BASE(unit))
+#define rf_phy_mode_shift		5
+#define rf_phy_mode_mask		(0x7 << rf_phy_mode_shift)
+#define rf_ref_freq_sel_shift		0
+#define rf_ref_freq_sel_mask		(0x1F << rf_ref_freq_sel_shift)
+#define PHY_MODE_SGMII			0x4
+
+/* for phy_read16 and phy_write16 */
+#define PHY_REG_KVCO_CAL_CTRL_ADDR	0x02
+#define KVCO_CAL_CTRL_ADDR(unit)	\
+	(PHY_REG_KVCO_CAL_CTRL_ADDR * PHY_SHFT(unit) + PHY_BASE(unit))
+#define rb_use_max_pll_rate		BIT(12)
+#define rb_force_calibration_done	BIT(9)
+
+/* for phy_read16 and phy_write16 */
+#define PHY_DIG_LB_EN_ADDR		0x23
+#define DIG_LB_EN_ADDR(unit)		\
+	(PHY_DIG_LB_EN_ADDR * PHY_SHFT(unit) + PHY_BASE(unit))
+#define rf_data_width_shift		10
+#define rf_data_width_mask		(0x3 << rf_data_width_shift)
+
+/* for phy_read16 and phy_write16 */
+#define PHY_SYNC_PATTERN_ADDR		0x24
+#define SYNC_PATTERN_ADDR(unit)		\
+	(PHY_SYNC_PATTERN_ADDR * PHY_SHFT(unit) + PHY_BASE(unit))
+#define phy_txd_inv			BIT(10)
+#define phy_rxd_inv			BIT(11)
+
+/* for phy_read16 and phy_write16 */
+#define PHY_REG_UNIT_CTRL_ADDR		0x48
+#define UNIT_CTRL_ADDR(unit)		\
+	(PHY_REG_UNIT_CTRL_ADDR * PHY_SHFT(unit) + PHY_BASE(unit))
+#define rb_idle_sync_en			BIT(12)
+
+/* for phy_read16 and phy_write16 */
+#define PHY_REG_GEN2_SETTINGS_2		0x3e
+#define GEN2_SETTING_2_ADDR(unit)	\
+	(PHY_REG_GEN2_SETTINGS_2 * PHY_SHFT(unit) + PHY_BASE(unit))
+#define g2_tx_ssc_amp			BIT(14)
+
+/* for phy_read16 and phy_write16 */
+#define PHY_REG_GEN2_SETTINGS_3		0x3f
+#define GEN2_SETTING_3_ADDR(unit)	\
+	(PHY_REG_GEN2_SETTINGS_3 * PHY_SHFT(unit) + PHY_BASE(unit))
+
+/* for phy_read16 and phy_write16 */
+#define PHY_MISC_REG0_ADDR		0x4f
+#define MISC_REG0_ADDR(unit)		\
+	(PHY_MISC_REG0_ADDR * PHY_SHFT(unit) + PHY_BASE(unit))
+#define rb_clk100m_125m_en		BIT(4)
+#define rb_clk500m_en			BIT(7)
+#define rb_ref_clk_sel			BIT(10)
+
+/* for phy_read16 and phy_write16 */
+#define PHY_REG_IFACE_REF_CLK_CTRL_ADDR		0x51
+#define UNIT_IFACE_REF_CLK_CTRL_ADDR(unit)	\
+	(PHY_REG_IFACE_REF_CLK_CTRL_ADDR * PHY_SHFT(unit) + PHY_BASE(unit))
+#define rb_ref1m_gen_div_force		BIT(8)
+#define rf_ref1m_gen_div_value_shift	0
+#define rf_ref1m_gen_div_value_mask	(0xFF << rf_ref1m_gen_div_value_shift)
+
+/* for phy_read16 and phy_write16 */
+#define PHY_REG_ERR_CNT_CONST_CTRL_ADDR	0x6A
+#define UNIT_ERR_CNT_CONST_CTRL_ADDR(unit) \
+	(PHY_REG_ERR_CNT_CONST_CTRL_ADDR * PHY_SHFT(unit) + PHY_BASE(unit))
+#define rb_fast_dfe_enable		BIT(13)
+
+#define MISC_REG1_ADDR(u)		(0x73 * PHY_SHFT(u) + PHY_BASE(u))
+#define bf_sel_bits_pcie_force		BIT(15)
+
+#define LANE_CFG0_ADDR(u)		(0x180 * PHY_SHFT(u) + PHY_BASE(u))
+#define bf_use_max_pll_rate		BIT(9)
+#define LANE_CFG1_ADDR(u)		(0x181 * PHY_SHFT(u) + PHY_BASE(u))
+#define bf_use_max_pll_rate		BIT(9)
+/* 0x5c310 = 0x93 (set BIT7) */
+#define LANE_CFG4_ADDR(u)		(0x188 * PHY_SHFT(u) + PHY_BASE(u))
+#define bf_spread_spectrum_clock_en	BIT(7)
+
+#define LANE_STAT1_ADDR(u)		(0x183 * PHY_SHFT(u) + PHY_BASE(u))
+#define rb_txdclk_pclk_en		BIT(0)
+
+#define GLOB_PHY_CTRL0_ADDR(u)		(0x1c1 * PHY_SHFT(u) + PHY_BASE(u))
+#define bf_soft_rst			BIT(0)
+#define bf_mode_refdiv			0x30
+#define rb_mode_core_clk_freq_sel	BIT(9)
+#define rb_mode_pipe_width_32		BIT(3)
+
+#define TEST_MODE_CTRL_ADDR(u)		(0x1c2 * PHY_SHFT(u) + PHY_BASE(u))
+#define rb_mode_margin_override		BIT(2)
+
+#define GLOB_CLK_SRC_LO_ADDR(u)		(0x1c3 * PHY_SHFT(u) + PHY_BASE(u))
+#define bf_cfg_sel_20b			BIT(15)
+
+#define PWR_MGM_TIM1_ADDR(u)		(0x1d0 * PHY_SHFT(u) + PHY_BASE(u))
+
+#define PHY_REF_CLK_ADDR		(0x4814 + PCIE_BASE)
+
+#define USB3_CTRPUL_VAL_REG		(0x20 + USB32_BASE)
+#define USB3H_CTRPUL_VAL_REG		(0x3454 + USB32H_BASE)
+#define rb_usb3_ctr_100ns		0xff000000
+
+#define USB2_OTG_PHY_CTRL_ADDR		(0x820 + USB2PHY_BASE)
+#define rb_usb2phy_suspm		BIT(14)
+#define rb_usb2phy_pu			BIT(0)
+
+#define USB2_PHY_OTG_CTRL_ADDR		(0x34 + USB2PHY_BASE)
+#define rb_pu_otg			BIT(4)
+
+#define USB2_PHY_CHRGR_DET_ADDR		(0x38 + USB2PHY_BASE)
+#define rb_cdp_en			BIT(2)
+#define rb_dcp_en			BIT(3)
+#define rb_pd_en			BIT(4)
+#define rb_pu_chrg_dtc			BIT(5)
+#define rb_cdp_dm_auto			BIT(7)
+#define rb_enswitch_dp			BIT(12)
+#define rb_enswitch_dm			BIT(13)
+
+#define USB2_CAL_CTRL_ADDR		(0x8 + USB2PHY_BASE)
+#define rb_usb2phy_pllcal_done		BIT(31)
+#define rb_usb2phy_impcal_done		BIT(23)
+
+#define USB2_PLL_CTRL0_ADDR		(0x0 + USB2PHY_BASE)
+#define rb_usb2phy_pll_ready		BIT(31)
+
+#define USB2_RX_CHAN_CTRL1_ADDR		(0x18 + USB2PHY_BASE)
+#define rb_usb2phy_sqcal_done		BIT(31)
+
+#define USB2_PHY2_CTRL_ADDR		(0x804 + USB2PHY2_BASE)
+#define rb_usb2phy2_suspm		BIT(7)
+#define rb_usb2phy2_pu			BIT(0)
+#define USB2_PHY2_CAL_CTRL_ADDR		(0x8 + USB2PHY2_BASE)
+#define USB2_PHY2_PLL_CTRL0_ADDR	(0x0 + USB2PHY2_BASE)
+#define USB2_PHY2_RX_CHAN_CTRL1_ADDR	(0x18 + USB2PHY2_BASE)
+
+#define USB2_PHY_BASE(usb32)	(usb32 == 0 ? USB2PHY2_BASE : USB2PHY_BASE)
+#define USB2_PHY_CTRL_ADDR(usb32) \
+	(usb32 == 0 ? USB2_PHY2_CTRL_ADDR : USB2_OTG_PHY_CTRL_ADDR)
+#define RB_USB2PHY_SUSPM(usb32) \
+	(usb32 == 0 ? rb_usb2phy2_suspm : rb_usb2phy_suspm)
+#define RB_USB2PHY_PU(usb32) \
+	(usb32 == 0 ? rb_usb2phy2_pu : rb_usb2phy_pu)
+#define USB2_PHY_CAL_CTRL_ADDR(usb32) \
+	(usb32 == 0 ? USB2_PHY2_CAL_CTRL_ADDR : USB2_CAL_CTRL_ADDR)
+#define USB2_PHY_RX_CHAN_CTRL1_ADDR(usb32) \
+	(usb32 == 0 ? USB2_PHY2_RX_CHAN_CTRL1_ADDR : USB2_RX_CHAN_CTRL1_ADDR)
+#define USB2_PHY_PLL_CTRL0_ADDR(usb32) \
+	(usb32 == 0 ? USB2_PHY2_PLL_CTRL0_ADDR : USB2_PLL_CTRL0_ADDR)
+
+/*
+ * SATA definitions
+ */
+#define AHCI_BASE			MVEBU_REG(0xE0000)
+
+#define rh_vsreg_addr			(AHCI_BASE + 0x178)
+#define rh_vsreg_data			(AHCI_BASE + 0x17C)
+#define rh_vs0_a			(AHCI_BASE + 0xA0)
+#define rh_vs0_d			(AHCI_BASE + 0xA4)
+
+#define vphy_sync_pattern_reg		0x224
+#define bs_txd_inv			BIT(10)
+#define bs_rxd_inv			BIT(11)
+
+#define vphy_loopback_reg0		0x223
+#define bs_phyintf_40bit		0x0C00
+#define bs_pll_ready_tx			0x10
+
+#define vphy_power_reg0			0x201
+
+#define vphy_calctl_reg			0x202
+#define bs_max_pll_rate			BIT(12)
+
+#define vphy_reserve_reg		0x0e
+#define bs_phyctrl_frm_pin		BIT(13)
+
+#define vsata_ctrl_reg			0x00
+#define bs_phy_pu_pll			BIT(6)
+
+/*
+ * SDIO/eMMC definitions
+ */
+#define SDIO_BASE			MVEBU_REG(0xD8000)
+
+#define SDIO_HOST_CTRL1_ADDR		(SDIO_BASE + 0x28)
+#define SDIO_SDHC_FIFO_ADDR		(SDIO_BASE + 0x12C)
+#define SDIO_CAP_12_ADDR		(SDIO_BASE + 0x40)
+#define SDIO_ENDIAN_ADDR		(SDIO_BASE + 0x1A4)
+#define SDIO_PHY_TIMING_ADDR		(SDIO_BASE + 0x170)
+#define SDIO_PHY_PAD_CTRL0_ADDR		(SDIO_BASE + 0x178)
+#define SDIO_DLL_RST_ADDR		(SDIO_BASE + 0x148)
+
+#endif /* _COMPHY_A3700_H_ */