root/sys/arm/xilinx/zy7_slcr.h
/*-
 * SPDX-License-Identifier: BSD-2-Clause
 *
 * Copyright (c) 2013 Thomas Skibo
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

/*
 * Defines for Zynq-7000 SLCR registers.
 *
 * Most of these registers are initialized by the First Stage Boot
 * Loader and are not modified by the kernel.
 *
 * Reference: Zynq-7000 All Programmable SoC Technical Reference Manual.
 * (v1.4) November 16, 2012.  Xilinx doc UG585.  SLCR register definitions
 * are in appendix B.28.
 */

#ifndef _ZY7_SLCR_H_
#define _ZY7_SLCR_H_

#define ZY7_SCLR_SCL                    0x0000
#define ZY7_SLCR_LOCK                   0x0004
#define   ZY7_SLCR_LOCK_MAGIC                           0x767b
#define ZY7_SLCR_UNLOCK                 0x0008
#define   ZY7_SLCR_UNLOCK_MAGIC                         0xdf0d
#define ZY7_SLCR_LOCKSTA                0x000c

/* PLL controls. */
#define ZY7_SLCR_ARM_PLL_CTRL           0x0100
#define ZY7_SLCR_DDR_PLL_CTRL           0x0104
#define ZY7_SLCR_IO_PLL_CTRL            0x0108
#define   ZY7_SLCR_PLL_CTRL_RESET                       (1 << 0)
#define   ZY7_SLCR_PLL_CTRL_PWRDWN                      (1 << 1)
#define   ZY7_SLCR_PLL_CTRL_BYPASS_QUAL                 (1 << 3)
#define   ZY7_SLCR_PLL_CTRL_BYPASS_FORCE                (1 << 4)
#define   ZY7_SLCR_PLL_CTRL_FDIV_SHIFT                  12
#define   ZY7_SLCR_PLL_CTRL_FDIV_MASK                   (0x7f << 12)
#define ZY7_SLCR_PLL_STATUS             0x010c
#define   ZY7_SLCR_PLL_STAT_ARM_PLL_LOCK                (1 << 0)
#define   ZY7_SLCR_PLL_STAT_DDR_PLL_LOCK                (1 << 1)
#define   ZY7_SLCR_PLL_STAT_IO_PLL_LOCK                 (1 << 2)
#define   ZY7_SLCR_PLL_STAT_ARM_PLL_STABLE              (1 << 3)
#define   ZY7_SLCR_PLL_STAT_DDR_PLL_STABLE              (1 << 4)
#define   ZY7_SLCR_PLL_STAT_IO_PLL_STABLE               (1 << 5)
#define ZY7_SLCR_ARM_PLL_CFG            0x0110
#define ZY7_SLCR_DDR_PLL_CFG            0x0114
#define ZY7_SLCR_IO_PLL_CFG             0x0118
#define   ZY7_SLCR_PLL_CFG_RES_SHIFT                    4
#define   ZY7_SLCR_PLL_CFG_RES_MASK                     (0xf << 4)
#define   ZY7_SLCR_PLL_CFG_PLL_CP_SHIFT                 8
#define   ZY7_SLCR_PLL_CFG_PLL_CP_MASK                  (0xf << 8)
#define   ZY7_SLCR_PLL_CFG_LOCK_CNT_SHIFT               12
#define   ZY7_SLCR_PLL_CFG_LOCK_CNT_MASK                (0x3ff << 12)

/* Clock controls. */
#define ZY7_SLCR_ARM_CLK_CTRL           0x0120
#define   ZY7_SLCR_ARM_CLK_CTRL_CPU_PERI_CLKACT         (1 << 28)
#define   ZY7_SLCR_ARM_CLK_CTRL_CPU_1XCLKACT            (1 << 27)
#define   ZY7_SLCR_ARM_CLK_CTRL_CPU_2XCLKACT            (1 << 26)
#define   ZY7_SLCR_ARM_CLK_CTRL_CPU_3OR2XCLKACT         (1 << 25)
#define   ZY7_SLCR_ARM_CLK_CTRL_CPU_6OR4XCLKACT         (1 << 24)
#define   ZY7_SLCR_ARM_CLK_CTRL_SRCSEL_MASK             (3 << 4)
#define   ZY7_SLCR_ARM_CLK_CTRL_SRCSEL_ARM_PLL          (0 << 4)
#define   ZY7_SLCR_ARM_CLK_CTRL_SRCSEL_DDR_PLL          (2 << 4)
#define   ZY7_SLCR_ARM_CLK_CTRL_SRCSEL_IO_PLL           (3 << 4)
#define   ZY7_SLCR_ARM_CLK_CTRL_DIVISOR_SHIFT           8
#define   ZY7_SLCR_ARM_CLK_CTRL_DIVISOR_MASK            (0x3f << 8)
#define ZY7_SLCR_DDR_CLK_CTRL           0x0124
#define   ZY7_SLCR_DDR_CLK_CTRL_2XCLK_DIV_SHIFT         26
#define   ZY7_SLCR_DDR_CLK_CTRL_2XCLK_DIV_MASK          (0x3f << 26)
#define   ZY7_SLCR_DDR_CLK_CTRL_3XCLK_DIV_SHIFT         20
#define   ZY7_SLCR_DDR_CLK_CTRL_3XCLK_DIV_MASK          (0x3f << 20)
#define   ZY7_SLCR_DDR_CLK_CTRL_2XCLKACT                (1 << 1)
#define   ZY7_SLCR_DDR_CLK_CTRL_3XCLKACT                (1 << 0)
#define ZY7_SLCR_DCI_CLK_CTRL           0x0128
#define   ZY7_SLCR_DCI_CLK_CTRL_DIVISOR1_SHIFT          20
#define   ZY7_SLCR_DCI_CLK_CTRL_DIVISOR1_MASK           (0x3f << 20)
#define   ZY7_SLCR_DCI_CLK_CTRL_DIVISOR0_SHIFT          8
#define   ZY7_SLCR_DCI_CLK_CTRL_DIVISOR0_MASK           (0x3f << 8)
#define   ZY7_SLCR_DCI_CLK_CTRL_CLKACT                  (1 << 0)
#define ZY7_SLCR_APER_CLK_CTRL          0x012c  /* amba periph clk ctrl */
#define   ZY7_SLCR_APER_CLK_CTRL_SMC_CPU_1XCLKACT       (1 << 24)
#define   ZY7_SLCR_APER_CLK_CTRL_LQSPI_CPU_1XCLKACT     (1 << 23)
#define   ZY7_SLCR_APER_CLK_CTRL_GPIO_CPU_1XCLKACT      (1 << 22)
#define   ZY7_SLCR_APER_CLK_CTRL_UART1_CPU_1XCLKACT     (1 << 21)
#define   ZY7_SLCR_APER_CLK_CTRL_UART0_CPU_1XCLKACT     (1 << 20)
#define   ZY7_SLCR_APER_CLK_CTRL_I2C1_CPU_1XCLKACT      (1 << 19)
#define   ZY7_SLCR_APER_CLK_CTRL_I2C0_CPU_1XCLKACT      (1 << 18)
#define   ZY7_SLCR_APER_CLK_CTRL_CAN1_CPU_1XCLKACT      (1 << 17)
#define   ZY7_SLCR_APER_CLK_CTRL_CAN0_CPU_1XCLKACT      (1 << 16)
#define   ZY7_SLCR_APER_CLK_CTRL_SPI1_CPU_1XCLKACT      (1 << 15)
#define   ZY7_SLCR_APER_CLK_CTRL_SPI0_CPU_1XCLKACT      (1 << 14)
#define   ZY7_SLCR_APER_CLK_CTRL_SDI1_CPU_1XCLKACT      (1 << 11)
#define   ZY7_SLCR_APER_CLK_CTRL_SDI0_CPU_1XCLKACT      (1 << 10)
#define   ZY7_SLCR_APER_CLK_CTRL_GEM1_CPU_1XCLKACT      (1 << 7)
#define   ZY7_SLCR_APER_CLK_CTRL_GEM0_CPU_1XCLKACT      (1 << 6)
#define   ZY7_SLCR_APER_CLK_CTRL_USB1_CPU_1XCLKACT      (1 << 3)
#define   ZY7_SLCR_APER_CLK_CTRL_USB0_CPU_1XCLKACT      (1 << 2)
#define   ZY7_SLCR_APER_CLK_CTRL_DMA_CPU_1XCLKACT       (1 << 0)
#define ZY7_SLCR_USB0_CLK_CTRL          0x0130
#define ZY7_SLCR_USB1_CLK_CTRL          0x0134
#define ZY7_SLCR_GEM0_RCLK_CTRL         0x0138
#define ZY7_SLCR_GEM1_RCLK_CTRL         0x013c
#define ZY7_SLCR_GEM0_CLK_CTRL          0x0140
#define ZY7_SLCR_GEM1_CLK_CTRL          0x0144
#define   ZY7_SLCR_GEM_CLK_CTRL_DIVISOR1_MASK           (0x3f << 20)
#define   ZY7_SLCR_GEM_CLK_CTRL_DIVISOR1_SHIFT          20
#define   ZY7_SLCR_GEM_CLK_CTRL_DIVISOR1_MAX            0x3f
#define   ZY7_SLCR_GEM_CLK_CTRL_DIVISOR_MASK            (0x3f << 8)
#define   ZY7_SLCR_GEM_CLK_CTRL_DIVISOR_SHIFT           8
#define   ZY7_SLCR_GEM_CLK_CTRL_DIVISOR_MAX             0x3f
#define   ZY7_SLCR_GEM_CLK_CTRL_SRCSEL_MASK             (7 << 4)
#define   ZY7_SLCR_GEM_CLK_CTRL_SRCSEL_IO_PLL           (0 << 4)
#define   ZY7_SLCR_GEM_CLK_CTRL_SRCSEL_ARM_PLL          (2 << 4)
#define   ZY7_SLCR_GEM_CLK_CTRL_SRCSEL_DDR_PLL          (3 << 4)
#define   ZY7_SLCR_GEM_CLK_CTRL_SRCSEL_EMIO_CLK         (4 << 4)
#define   ZY7_SLCR_GEM_CLK_CTRL_CLKACT                  1
#define ZY7_SLCR_SMC_CLK_CTRL           0x0148
#define ZY7_SLCR_LQSPI_CLK_CTRL         0x014c
#define ZY7_SLCR_SDIO_CLK_CTRL          0x0150
#define ZY7_SLCR_UART_CLK_CTRL          0x0154
#define ZY7_SLCR_SPI_CLK_CTRL           0x0158
#define ZY7_SLCR_CAN_CLK_CTRL           0x015c
#define ZY7_SLCR_CAN_MIOCLK_CTRL        0x0160
#define ZY7_SLCR_DBG_CLK_CTRL           0x0164
#define ZY7_SLCR_PCAP_CLK_CTRL          0x0168
#define ZY7_SLCR_TOPSW_CLK_CTRL         0x016c  /* central intercnn clk ctrl */
#define ZY7_SLCR_FPGA_CLK_CTRL(unit)    (0x0170 + 0x10 * (unit))
#define   ZY7_SLCR_FPGA_CLK_CTRL_DIVISOR1_SHIFT         20
#define   ZY7_SLCR_FPGA_CLK_CTRL_DIVISOR1_MASK          (0x3f << 20)
#define   ZY7_SLCR_FPGA_CLK_CTRL_DIVISOR0_SHIFT         8
#define   ZY7_SLCR_FPGA_CLK_CTRL_DIVISOR0_MASK          (0x3f << 8)
#define   ZY7_SLCR_FPGA_CLK_CTRL_DIVISOR_MAX            0x3f
#define   ZY7_SLCR_FPGA_CLK_CTRL_SRCSEL_SHIFT           4
#define   ZY7_SLCR_FPGA_CLK_CTRL_SRCSEL_MASK            (3 << 4)
#define ZY7_SLCR_FPGA_THR_CTRL(unit)    (0x0174 + 0x10 * (unit))
#define ZY7_SLCR_FPGA_THR_CTRL_CNT_RST                  (1 << 1)
#define ZY7_SLCR_FPGA_THR_CTRL_CPU_START                (1 << 0)
#define ZY7_SLCR_FPGA_THR_CNT(unit)     (0x0178 + 0x10 * (unit))
#define ZY7_SLCR_FPGA_THR_STA(unit)     (0x017c + 0x10 * (unit))
#define ZY7_SLCR_CLK_621_TRUE           0x01c4  /* cpu clock ratio mode */

/* Reset controls. */
#define ZY7_SLCR_PSS_RST_CTRL           0x0200
#define   ZY7_SLCR_PSS_RST_CTRL_SOFT_RESET              (1 << 0)
#define ZY7_SLCR_DDR_RST_CTRL           0x0204
#define ZY7_SLCR_TOPSW_RST_CTRL         0x0208
#define ZY7_SLCR_DMAC_RST_CTRL          0x020c
#define ZY7_SLCR_USB_RST_CTRL           0x0210
#define ZY7_SLCR_GEM_RST_CTRL           0x0214
#define ZY7_SLCR_SDIO_RST_CTRL          0x0218
#define ZY7_SLCR_SPI_RST_CTRL           0x021c
#define ZY7_SLCR_CAN_RST_CTRL           0x0220
#define ZY7_SLCR_I2C_RST_CTRL           0x0224
#define ZY7_SLCR_UART_RST_CTRL          0x0228
#define ZY7_SLCR_GPIO_RST_CTRL          0x022c
#define ZY7_SLCR_LQSPI_RST_CTRL         0x0230
#define ZY7_SLCR_SMC_RST_CTRL           0x0234
#define ZY7_SLCR_OCM_RST_CTRL           0x0238
#define ZY7_SLCR_DEVCI_RST_CTRL         0x023c
#define ZY7_SLCR_FPGA_RST_CTRL          0x0240
#define   ZY7_SLCR_FPGA_RST_CTRL_FPGA3_OUT_RST          (1 << 3)
#define   ZY7_SLCR_FPGA_RST_CTRL_FPGA2_OUT_RST          (1 << 2)
#define   ZY7_SLCR_FPGA_RST_CTRL_FPGA1_OUT_RST          (1 << 1)
#define   ZY7_SLCR_FPGA_RST_CTRL_FPGA0_OUT_RST          (1 << 0)
#define   ZY7_SLCR_FPGA_RST_CTRL_RST_ALL                0xf
#define ZY7_SLCR_A9_CPU_RST_CTRL        0x0244
#define ZY7_SLCR_RS_AWDT_CTRL           0x024c

#define ZY7_SLCR_REBOOT_STAT            0x0258
#define   ZY7_SLCR_REBOOT_STAT_STATE_MASK               (0xffU << 24)
#define   ZY7_SLCR_REBOOT_STAT_POR                      (1 << 22)
#define   ZY7_SLCR_REBOOT_STAT_SRST_B                   (1 << 21)
#define   ZY7_SLCR_REBOOT_STAT_DBG_RST                  (1 << 20)
#define   ZY7_SLCR_REBOOT_STAT_SLC_RST                  (1 << 19)
#define   ZY7_SLCR_REBOOT_STAT_AWDT1_RST                (1 << 18)
#define   ZY7_SLCR_REBOOT_STAT_AWDT0_RST                (1 << 17)
#define   ZY7_SLCR_REBOOT_STAT_SWDT_RST                 (1 << 16)
#define   ZY7_SLCR_REBOOT_STAT_BOOTROM_ERR_CODE_MASK    (0xffff)
#define ZY7_SLCR_BOOT_MODE              0x025c
#define   ZY7_SLCR_BOOT_MODE_PLL_BYPASS                 (1 << 4)
#define   ZY7_SLCR_BOOT_MODE_JTAG_INDEP                 (1 << 3)
#define   ZY7_SLCR_BOOT_MODE_BOOTDEV_MASK               7
#define   ZY7_SLCR_BOOT_MODE_BOOTDEV_JTAG               0
#define   ZY7_SLCR_BOOT_MODE_BOOTDEV_QUAD_SPI           1
#define   ZY7_SLCR_BOOT_MODE_BOOTDEV_NOR                2
#define   ZY7_SLCR_BOOT_MODE_BOOTDEV_NAND               4
#define   ZY7_SLCR_BOOT_MODE_BOOTDEV_SD_CARD            5
#define ZY7_SLCR_APU_CTRL               0x0300
#define ZY7_SLCR_WDT_CLK_SEL            0x0304

#define ZY7_SLCR_PSS_IDCODE             0x0530
#define   ZY7_SLCR_PSS_IDCODE_REVISION_MASK             (0xfU << 28)
#define   ZY7_SLCR_PSS_IDCODE_REVISION_SHIFT            28
#define   ZY7_SLCR_PSS_IDCODE_FAMILY_MASK               (0x7f << 21)
#define   ZY7_SLCR_PSS_IDCODE_FAMILY_SHIFT              21
#define   ZY7_SLCR_PSS_IDCODE_SUB_FAMILY_MASK           (0xf << 17)
#define   ZY7_SLCR_PSS_IDCODE_SUB_FAMILY_SHIFT          17
#define   ZY7_SLCR_PSS_IDCODE_DEVICE_MASK               (0x1f << 12)
#define   ZY7_SLCR_PSS_IDCODE_DEVICE_7Z007S             (0x03 << 12)
#define   ZY7_SLCR_PSS_IDCODE_DEVICE_7Z010              (0x02 << 12)
#define   ZY7_SLCR_PSS_IDCODE_DEVICE_7Z012S             (0x1c << 12)
#define   ZY7_SLCR_PSS_IDCODE_DEVICE_7Z014S             (0x08 << 12)
#define   ZY7_SLCR_PSS_IDCODE_DEVICE_7Z015              (0x1b << 12)
#define   ZY7_SLCR_PSS_IDCODE_DEVICE_7Z020              (0x07 << 12)
#define   ZY7_SLCR_PSS_IDCODE_DEVICE_7Z030              (0x0c << 12)
#define   ZY7_SLCR_PSS_IDCODE_DEVICE_7Z045              (0x11 << 12)
#define   ZY7_SLCR_PSS_IDCODE_DEVICE_7Z100              (0x16 << 12)
#define   ZY7_SLCR_PSS_IDCODE_DEVICE_SHIFT              12
#define   ZY7_SLCR_PSS_IDCODE_MNFR_ID_MASK              (0x7ff << 1)
#define   ZY7_SLCR_PSS_IDCODE_MNFR_ID_SHIFT             1

#define ZY7_SLCR_DDR_URGENT             0x0600
#define ZY7_SLCR_DDR_CAL_START          0x060c
#define ZY7_SLCR_DDR_REF_START          0x0614
#define ZY7_SLCR_DDR_CMD_STA            0x0618
#define ZY7_SLCR_DDR_URGENT_SEL         0x061c
#define ZY7_SLCR_DDR_DFI_STATUS         0x0620

/* MIO Pin controls */
#define ZY7_SLCR_MIO_PIN(n)             (0x0700 + (n) * 4)      /* 0-53 */
#define   ZY7_SLCR_MIO_PIN_RCVR_DIS                     (1 << 13)
#define   ZY7_SLCR_MIO_PIN_PULLUP_EN                    (1 << 12)
#define   ZY7_SLCR_MIO_PIN_IO_TYPE_MASK                 (7 << 9)
#define   ZY7_SLCR_MIO_PIN_IO_TYPE_LVTTL                (0 << 9)
#define   ZY7_SLCR_MIO_PIN_IO_TYPE_LVCMOS18             (1 << 9)
#define   ZY7_SLCR_MIO_PIN_IO_TYPE_LVCMOS25             (2 << 9)
#define   ZY7_SLCR_MIO_PIN_IO_TYPE_LVCMOS33             (3 << 9)
#define   ZY7_SLCR_MIO_PIN_IO_TYPE_HSTL                 (4 << 9)
#define   ZY7_SLCR_MIO_PIN_L2_SEL_MASK                  (3 << 3)
#define   ZY7_SLCR_MIO_PIN_L2_SEL_L3_MUX                (0 << 3)
#define   ZY7_SLCR_MIO_PIN_L2_SEL_SRAM_NOR_CS0          (1 << 3)
#define   ZY7_SLCR_MIO_PIN_L2_SEL_NAND_CS               (2 << 3)
#define   ZY7_SLCR_MIO_PIN_L2_SEL_SDIO0_PC              (3 << 3)
#define   ZY7_SLCR_MIO_PIN_L1_SEL                       (1 << 2)
#define   ZY7_SLCR_MIO_PIN_L0_SEL                       (1 << 1)
#define   ZY7_SLCR_MIO_PIN_TRI_EN                       (1 << 0)

#define ZY7_SLCR_MIO_LOOPBACK           0x0804
#define   ZY7_SLCR_MIO_LOOPBACK_I2C0_I2C1               (1 << 3)
#define   ZY7_SLCR_MIO_LOOPBACK_CAN0_CAN1               (1 << 2)
#define   ZY7_SLCR_MIO_LOOPBACK_UA0_UA1                 (1 << 1)
#define   ZY7_SLCR_MIO_LOOPBACK_SPI0_SPI1               (1 << 0)
#define ZY7_SLCR_MIO_MST_TRI0           0x080c
#define ZY7_SLCR_MIO_MST_TRI1           0x0810
#define ZY7_SLCR_SD0_WP_CD_SEL          0x0830
#define ZY7_SLCR_SD1_WP_CD_SEL          0x0834

/* PS-PL level shifter control. */
#define ZY7_SLCR_LVL_SHFTR_EN           0x900
#define   ZY7_SLCR_LVL_SHFTR_EN_USER_LVL_IN_EN_0        (1 << 3) /* PL to PS */
#define   ZY7_SLCR_LVL_SHFTR_EN_USER_LVL_OUT_EN_0       (1 << 2) /* PS to PL */
#define   ZY7_SLCR_LVL_SHFTR_EN_USER_LVL_IN_EN_1        (1 << 1) /* PL to PS */
#define   ZY7_SLCR_LVL_SHFTR_EN_USER_LVL_OUT_EN_1       (1 << 0) /* PS to PL */
#define   ZY7_SLCR_LVL_SHFTR_EN_ALL                     0xf

#define ZY7_SLCR_OCM_CFG                0x0910

#define ZY7_SLCR_GPIOB_CTRL             0x0b00
#define ZY7_SLCR_GPIOB_CFG_CMOS18       0x0b04
#define ZY7_SLCR_GPIOB_CFG_CMOS25       0x0b08
#define ZY7_SLCR_GPIOB_CFG_CMOS33       0x0b0c
#define ZY7_SLCR_GPIOB_CFG_LVTTL        0x0b10
#define ZY7_SLCR_GPIOB_CFG_HSTL         0x0b14
#define ZY7_SLCR_GPIOB_DRVR_BIAS_CTRL   0x0b18

#define ZY7_SLCR_DDRIOB_ADDR0           0x0b40
#define ZY7_SLCR_DDRIOB_ADDR1           0x0b44
#define ZY7_SLCR_DDRIOB_DATA0           0x0b48
#define ZY7_SLCR_DDRIOB_DATA1           0x0b4c
#define ZY7_SLCR_DDRIOB_DIFF0           0x0b50
#define ZY7_SLCR_DDRIOB_DIFF1           0x0b54
#define ZY7_SLCR_DDRIOB_CLK             0x0b58
#define ZY7_SLCR_DDRIOB_DRIVE_SLEW_ADDR 0x0b5c
#define ZY7_SLCR_DDRIOB_DRIVE_SLEW_DATA 0x0b60
#define ZY7_SLCR_DDRIOB_DRIVE_SLEW_DIFF 0x0b64
#define ZY7_SLCR_DDRIOB_DRIVE_SLEW_CLK  0x0b68
#define ZY7_SLCR_DDRIOB_DDR_CTRL        0x0b6c
#define ZY7_SLCR_DDRIOB_DCI_CTRL        0x0b70
#define ZY7_SLCR_DDRIOB_DCI_STATUS      0x0b74

#ifdef _KERNEL
extern void zy7_slcr_preload_pl(void);
extern void zy7_slcr_postload_pl(int en_level_shifters);
extern int cgem_set_ref_clk(int unit, int frequency);

/* Should be consistent with SRCSEL field of FPGAx_CLK_CTRL */
#define ZY7_PL_FCLK_SRC_IO      0
#define ZY7_PL_FCLK_SRC_IO_ALT  1 /* ZY7_PL_FCLK_SRC_IO is b0x */
#define ZY7_PL_FCLK_SRC_ARM     2
#define ZY7_PL_FCLK_SRC_DDR     3

int zy7_pl_fclk_set_source(int unit, int source);
int zy7_pl_fclk_get_source(int unit);
int zy7_pl_fclk_set_freq(int unit, int freq);
int zy7_pl_fclk_get_freq(int unit);
int zy7_pl_fclk_enable(int unit);
int zy7_pl_fclk_disable(int unit);
int zy7_pl_fclk_enabled(int unit);
int zy7_pl_level_shifters_enabled(void);
void zy7_pl_level_shifters_enable(void);
void zy7_pl_level_shifters_disable(void);

#endif
#endif /* _ZY7_SLCR_H_ */