feat(intel): sdmmc/nand/combo-phy/qspi driver for Agilex5 SoC FPGA

This patch is used to implement sdmmc/nand/combo-phy
driver to support Cadence IP for Agilex5 SoC FPGA.
	1. Added SDMMC/NAND/COMBO-PHY support.
	2. Updated product name -> Agilex5
	3. Updated QSPI base address

Signed-off-by: Jit Loon Lim <jit.loon.lim@intel.com>
Change-Id: I6db689d2b784c9f59a25701ab34517f6f6b0a0e6
diff --git a/include/drivers/cadence/cdns_combo_phy.h b/include/drivers/cadence/cdns_combo_phy.h
new file mode 100644
index 0000000..f5dabda
--- /dev/null
+++ b/include/drivers/cadence/cdns_combo_phy.h
@@ -0,0 +1,238 @@
+/*
+ * Copyright (c) 2022-2023, Intel Corporation. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef CDN_COMBOPHY_H
+#define CDN_COMBOPHY_H
+
+/* SRS */
+#define SDMMC_CDN_SRS02			0x8
+#define SDMMC_CDN_SRS03			0xC
+#define SDMMC_CDN_SRS04			0x10
+#define SDMMC_CDN_SRS05			0x14
+#define SDMMC_CDN_SRS06			0x18
+#define SDMMC_CDN_SRS07			0x1C
+#define SDMMC_CDN_SRS09			0x24
+#define SDMMC_CDN_SRS10			0x28
+#define SDMMC_CDN_SRS11			0x2C
+#define SDMMC_CDN_SRS12			0x30
+#define SDMMC_CDN_SRS13			0x34
+#define SDMMC_CDN_SRS14			0x38
+
+/* SRS03 */
+/* Response Type Select
+ * Defines the expected response length.
+ */
+#define SDMMC_CDN_RTS				16
+
+/* Command CRC Check Enable
+ * When set to 1, the host checks if the CRC field of the response is valid.
+ * When 0, the CRC check is disabled and the CRC field of the response is ignored.
+ */
+#define SDMMC_CDN_CRCCE				19
+
+/* Command Index
+ * This field contains a command number (index) of the command to be sent.
+ */
+#define SDMMC_CDN_CIDX				24
+
+/* SRS09 */
+/* Card Inserted
+ * Indicates if the card is inserted inside the slot.
+ */
+#define SDMMC_CDN_CI				16
+
+/* SRS10 */
+/* Data Transfer Width
+ * Bit used to configure DAT bus width to 1 or 4.
+ */
+#define SDMMC_CDN_DTW				1
+
+/* Extended Data Transfer Width
+ * This bit is to enable/disable 8-bit DAT bus width mode.
+ */
+#define SDMMC_CDN_EDTW				5
+
+/* SD Bus Power for VDD1
+ * When set to 1, the VDD1 voltage is supplied to card/device.
+ */
+#define SDMMC_CDN_BP				8
+
+/* SD Bus Voltage Select
+ * This field is used to configure VDD1 voltage level.
+ */
+#define SDMMC_CDN_BVS				9
+
+/* SRS11 */
+/* Internal Clock Enable
+ * This field is designated to controls (enable/disable) external clock generator.
+ */
+#define SDMMC_CDN_ICE				0
+
+/* Internal Clock Stable
+ * When 1, indicates that the clock on sdmclk pin of the host is stable.
+ * When 0, indicates that the clock is not stable .
+ */
+#define SDMMC_CDN_ICS				1
+
+/* SD Clock Enable
+ * When set, SDCLK clock is enabled.
+ * When clear, SDCLK clock is stopped.
+ */
+#define SDMMC_CDN_SDCE				2
+
+/* USDCLK Frequency Select
+ * This is used to calculate frequency of USDCLK clock.
+ */
+#define SDMMC_CDN_USDCLKFS			6
+
+/* SDCLK Frequency Select
+ * This is used to calculate frequency of SDCLK clock.
+ */
+#define SDMMC_CDN_SDCLKFS				8
+
+/* Data Timeout Counter Value
+ * This value determines the interval by which DAT line timeouts are detected
+ */
+#define SDMMC_CDN_DTCV				16
+
+/* SRS12 */
+/* Command Complete
+ * Generated when the end bit of the response is received.
+ */
+#define SDMMC_CDN_CC				0
+
+/* Transfer Complete
+ * Generated when the transfer which uses the DAT line is complete.
+ */
+#define SDMMC_CDN_TC				1
+
+/* Error Interrupt
+ * The software can check for an error by reading this single bit first.
+ */
+#define SDMMC_CDN_EINT				15
+
+/* SRS14 */
+/* Command Complete Interrupt Enable */
+#define SDMMC_CDN_CC_IE				0
+
+/* Transfer Complete Interrupt Enable */
+#define SDMMC_CDN_TC_IE				1
+
+/* DMA Interrupt Enable */
+#define SDMMC_CDN_DMAINT_IE			3
+
+/* Combo PHY DLL registers */
+#define CP_DLL_REG_BASE			(0x10B92000)
+#define CP_DLL_DQ_TIMING_REG		(0x00)
+#define CP_DLL_DQS_TIMING_REG		(0x04)
+#define CP_DLL_GATE_LPBK_CTRL_REG	(0x08)
+#define CP_DLL_MASTER_CTRL_REG		(0x0C)
+#define CP_DLL_SLAVE_CTRL_REG		(0x10)
+#define CP_DLL_IE_TIMING_REG		(0x14)
+
+#define CP_DQ_TIMING_REG_SDR		(0x00000002)
+#define CP_DQS_TIMING_REG_SDR		(0x00100004)
+#define CP_GATE_LPBK_CTRL_REG_SDR	(0x00D80000)
+#define CP_DLL_MASTER_CTRL_REG_SDR	(0x00800000)
+#define CP_DLL_SLAVE_CTRL_REG_SDR	(0x00000000)
+
+#define CP_DLL(_reg)			(CP_DLL_REG_BASE \
+					+ (CP_DLL_##_reg))
+
+/* Control Timing Block registers */
+#define CP_CTB_REG_BASE			(0x10B92080)
+#define CP_CTB_CTRL_REG			(0x00)
+#define CP_CTB_TSEL_REG			(0x04)
+#define CP_CTB_GPIO_CTRL0		(0x08)
+#define CP_CTB_GPIO_CTRL1		(0x0C)
+#define CP_CTB_GPIO_STATUS0		(0x10)
+#define CP_CTB_GPIO_STATUS1		(0x14)
+
+#define CP_CTRL_REG_SDR			(0x00004040)
+#define CP_TSEL_REG_SDR			(0x00000000)
+
+#define CP_CTB(_reg)			(CP_CTB_REG_BASE \
+					+ (CP_CTB_##_reg))
+
+/* Combo PHY */
+#define SDMMC_CDN_REG_BASE		0x10808200
+#define PHY_DQ_TIMING_REG		0x2000
+#define PHY_DQS_TIMING_REG		0x2004
+#define PHY_GATE_LPBK_CTRL_REG		0x2008
+#define PHY_DLL_MASTER_CTRL_REG		0x200C
+#define PHY_DLL_SLAVE_CTRL_REG		0x2010
+#define PHY_CTRL_REG			0x2080
+#define PHY_REG_ADDR_MASK		0xFFFF
+#define PHY_REG_DATA_MASK		0xFFFFFFFF
+
+/* PHY_DQS_TIMING_REG */
+#define CP_USE_EXT_LPBK_DQS(x)		((x) << 22) //0x1
+#define CP_USE_LPBK_DQS(x)		((x) << 21) //0x1
+#define CP_USE_PHONY_DQS(x)		((x) << 20) //0x1
+#define CP_USE_PHONY_DQS_CMD(x)		((x) << 19) //0x1
+
+/* PHY_GATE_LPBK_CTRL_REG */
+#define CP_SYNC_METHOD(x)		((x) << 31) //0x1
+#define CP_SW_HALF_CYCLE_SHIFT(x)	((x) << 28) //0x1
+#define CP_RD_DEL_SEL(x)		((x) << 19) //0x3f
+#define CP_UNDERRUN_SUPPRESS(x)		((x) << 18) //0x1
+#define CP_GATE_CFG_ALWAYS_ON(x)	((x) << 6) //0x1
+
+/* PHY_DLL_MASTER_CTRL_REG */
+#define CP_DLL_BYPASS_MODE(x)		((x) << 23) //0x1
+#define CP_DLL_START_POINT(x)		((x) << 0) //0xff
+
+/* PHY_DLL_SLAVE_CTRL_REG */
+#define CP_READ_DQS_CMD_DELAY(x)	((x) << 24) //0xff
+#define CP_CLK_WRDQS_DELAY(x)		((x) << 16) //0xff
+#define CP_CLK_WR_DELAY(x)		((x) << 8) //0xff
+#define CP_READ_DQS_DELAY(x)		((x) << 0) //0xff
+
+/* PHY_DQ_TIMING_REG */
+#define CP_IO_MASK_ALWAYS_ON(x)		((x) << 31) //0x1
+#define CP_IO_MASK_END(x)		((x) << 27) //0x7
+#define CP_IO_MASK_START(x)		((x) << 24) //0x7
+#define CP_DATA_SELECT_OE_END(x)	((x) << 0) //0x7
+
+/* PHY_CTRL_REG */
+#define CP_PHONY_DQS_TIMING_MASK	0x3F
+#define CP_PHONY_DQS_TIMING_SHIFT	4
+
+/* Shared Macros */
+#define SDMMC_CDN(_reg)			(SDMMC_CDN_REG_BASE + \
+					(SDMMC_CDN_##_reg))
+
+struct cdns_sdmmc_combo_phy {
+	uint32_t	cp_clk_wr_delay;
+	uint32_t	cp_clk_wrdqs_delay;
+	uint32_t	cp_data_select_oe_end;
+	uint32_t	cp_dll_bypass_mode;
+	uint32_t	cp_dll_locked_mode;
+	uint32_t	cp_dll_start_point;
+	uint32_t	cp_gate_cfg_always_on;
+	uint32_t	cp_io_mask_always_on;
+	uint32_t	cp_io_mask_end;
+	uint32_t	cp_io_mask_start;
+	uint32_t	cp_rd_del_sel;
+	uint32_t	cp_read_dqs_cmd_delay;
+	uint32_t	cp_read_dqs_delay;
+	uint32_t	cp_sw_half_cycle_shift;
+	uint32_t	cp_sync_method;
+	uint32_t	cp_underrun_suppress;
+	uint32_t	cp_use_ext_lpbk_dqs;
+	uint32_t	cp_use_lpbk_dqs;
+	uint32_t	cp_use_phony_dqs;
+	uint32_t	cp_use_phony_dqs_cmd;
+};
+
+/* Function Prototype */
+
+int cdns_sdmmc_write_phy_reg(uint32_t phy_reg_addr, uint32_t phy_reg_addr_value,
+			uint32_t phy_reg_data, uint32_t phy_reg_data_value);
+int cdns_sd_card_detect(void);
+int cdns_emmc_card_reset(void);
+
+#endif