xref: /freebsd/sys/arm/xilinx/zy7_slcr.h (revision 6b7b2d80ed4d728d3ffd12c422e57798c1b63a84)
1 /*-
2  * Copyright (c) 2013 Thomas Skibo
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  *
14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24  * SUCH DAMAGE.
25  *
26  * $FreeBSD$
27  */
28 
29 /*
30  * Defines for Zynq-7000 SLCR registers.
31  *
32  * Most of these registers are initialized by the First Stage Boot
33  * Loader and are not modified by the kernel.
34  *
35  * Reference: Zynq-7000 All Programmable SoC Technical Reference Manual.
36  * (v1.4) November 16, 2012.  Xilinx doc UG585.  SLCR register definitions
37  * are in appendix B.28.
38  */
39 
40 #ifndef _ZY7_SLCR_H_
41 #define _ZY7_SLCR_H_
42 
43 #define ZY7_SCLR_SCL			0x0000
44 #define ZY7_SLCR_LOCK			0x0004
45 #define   ZY7_SLCR_LOCK_MAGIC				0x767b
46 #define ZY7_SLCR_UNLOCK			0x0008
47 #define   ZY7_SLCR_UNLOCK_MAGIC				0xdf0d
48 #define ZY7_SLCR_LOCKSTA		0x000c
49 
50 /* PLL controls. */
51 #define ZY7_SLCR_ARM_PLL_CTRL		0x0100
52 #define ZY7_SLCR_DDR_PLL_CTRL		0x0104
53 #define ZY7_SLCR_IO_PLL_CTRL		0x0108
54 #define   ZY7_SLCR_PLL_CTRL_RESET			(1<<0)
55 #define   ZY7_SLCR_PLL_CTRL_PWRDWN			(1<<1)
56 #define   ZY7_SLCR_PLL_CTRL_BYPASS_QUAL			(1<<3)
57 #define   ZY7_SLCR_PLL_CTRL_BYPASS_FORCE		(1<<4)
58 #define   ZY7_SLCR_PLL_CTRL_FDIV_SHIFT			12
59 #define   ZY7_SLCR_PLL_CTRL_FDIV_MASK			(0x7f<<12)
60 #define ZY7_SLCR_PLL_STATUS		0x010c
61 #define   ZY7_SLCR_PLL_STAT_ARM_PLL_LOCK		(1<<0)
62 #define   ZY7_SLCR_PLL_STAT_DDR_PLL_LOCK		(1<<1)
63 #define   ZY7_SLCR_PLL_STAT_IO_PLL_LOCK			(1<<2)
64 #define   ZY7_SLCR_PLL_STAT_ARM_PLL_STABLE		(1<<3)
65 #define   ZY7_SLCR_PLL_STAT_DDR_PLL_STABLE		(1<<4)
66 #define   ZY7_SLCR_PLL_STAT_IO_PLL_STABLE		(1<<5)
67 #define ZY7_SLCR_ARM_PLL_CFG		0x0110
68 #define ZY7_SLCR_DDR_PLL_CFG		0x0114
69 #define ZY7_SLCR_IO_PLL_CFG		0x0118
70 #define   ZY7_SLCR_PLL_CFG_RES_SHIFT			4
71 #define   ZY7_SLCR_PLL_CFG_RES_MASK			(0xf<<4)
72 #define   ZY7_SLCR_PLL_CFG_PLL_CP_SHIFT			8
73 #define   ZY7_SLCR_PLL_CFG_PLL_CP_MASK			(0xf<<8)
74 #define   ZY7_SLCR_PLL_CFG_LOCK_CNT_SHIFT		12
75 #define   ZY7_SLCR_PLL_CFG_LOCK_CNT_MASK		(0x3ff<<12)
76 
77 /* Clock controls. */
78 #define ZY7_SLCR_ARM_CLK_CTRL		0x0120
79 #define   ZY7_SLCR_ARM_CLK_CTRL_CPU_PERI_CLKACT		(1<<28)
80 #define   ZY7_SLCR_ARM_CLK_CTRL_CPU_1XCLKACT		(1<<27)
81 #define   ZY7_SLCR_ARM_CLK_CTRL_CPU_2XCLKACT		(1<<26)
82 #define   ZY7_SLCR_ARM_CLK_CTRL_CPU_3OR2XCLKACT 	(1<<25)
83 #define   ZY7_SLCR_ARM_CLK_CTRL_CPU_6OR4XCLKACT 	(1<<24)
84 #define   ZY7_SLCR_ARM_CLK_CTRL_SRCSEL_MASK		(3<<4)
85 #define   ZY7_SLCR_ARM_CLK_CTRL_SRCSEL_ARM_PLL		(0<<4)
86 #define   ZY7_SLCR_ARM_CLK_CTRL_SRCSEL_DDR_PLL		(2<<4)
87 #define   ZY7_SLCR_ARM_CLK_CTRL_SRCSEL_IO_PLL		(3<<4)
88 #define   ZY7_SLCR_ARM_CLK_CTRL_DIVISOR_SHIFT		8
89 #define   ZY7_SLCR_ARM_CLK_CTRL_DIVISOR_MASK		(0x3f<<8)
90 #define ZY7_SLCR_DDR_CLK_CTRL		0x0124
91 #define   ZY7_SLCR_DDR_CLK_CTRL_2XCLK_DIV_SHIFT 	26
92 #define   ZY7_SLCR_DDR_CLK_CTRL_2XCLK_DIV_MASK		(0x3f<<26)
93 #define   ZY7_SLCR_DDR_CLK_CTRL_3XCLK_DIV_SHIFT		20
94 #define   ZY7_SLCR_DDR_CLK_CTRL_3XCLK_DIV_MASK		(0x3f<<20)
95 #define   ZY7_SLCR_DDR_CLK_CTRL_2XCLKACT		(1<<1)
96 #define   ZY7_SLCR_DDR_CLK_CTRL_3XCLKACT		(1<<0)
97 #define ZY7_SLCR_DCI_CLK_CTRL		0x0128
98 #define   ZY7_SLCR_DCI_CLK_CTRL_DIVISOR1_SHIFT		20
99 #define   ZY7_SLCR_DCI_CLK_CTRL_DIVISOR1_MASK		(0x3f<<20)
100 #define   ZY7_SLCR_DCI_CLK_CTRL_DIVISOR0_SHIFT		8
101 #define   ZY7_SLCR_DCI_CLK_CTRL_DIVISOR0_MASK		(0x3f<<8)
102 #define   ZY7_SLCR_DCI_CLK_CTRL_CLKACT			(1<<0)
103 #define ZY7_SLCR_APER_CLK_CTRL		0x012c	/* amba periph clk ctrl */
104 #define   ZY7_SLCR_APER_CLK_CTRL_SMC_CPU_1XCLKACT	(1<<24)
105 #define   ZY7_SLCR_APER_CLK_CTRL_LQSPI_CPU_1XCLKACT	(1<<23)
106 #define   ZY7_SLCR_APER_CLK_CTRL_GPIO_CPU_1XCLKACT	(1<<22)
107 #define   ZY7_SLCR_APER_CLK_CTRL_UART1_CPU_1XCLKACT	(1<<21)
108 #define   ZY7_SLCR_APER_CLK_CTRL_UART0_CPU_1XCLKACT	(1<<20)
109 #define   ZY7_SLCR_APER_CLK_CTRL_I2C1_CPU_1XCLKACT	(1<<19)
110 #define   ZY7_SLCR_APER_CLK_CTRL_I2C0_CPU_1XCLKACT	(1<<18)
111 #define   ZY7_SLCR_APER_CLK_CTRL_CAN1_CPU_1XCLKACT	(1<<17)
112 #define   ZY7_SLCR_APER_CLK_CTRL_CAN0_CPU_1XCLKACT	(1<<16)
113 #define   ZY7_SLCR_APER_CLK_CTRL_SPI1_CPU_1XCLKACT	(1<<15)
114 #define   ZY7_SLCR_APER_CLK_CTRL_SPI0_CPU_1XCLKACT	(1<<14)
115 #define   ZY7_SLCR_APER_CLK_CTRL_SDI1_CPU_1XCLKACT	(1<<11)
116 #define   ZY7_SLCR_APER_CLK_CTRL_SDI0_CPU_1XCLKACT	(1<<10)
117 #define   ZY7_SLCR_APER_CLK_CTRL_GEM1_CPU_1XCLKACT	(1<<7)
118 #define   ZY7_SLCR_APER_CLK_CTRL_GEM0_CPU_1XCLKACT	(1<<6)
119 #define   ZY7_SLCR_APER_CLK_CTRL_USB1_CPU_1XCLKACT	(1<<3)
120 #define   ZY7_SLCR_APER_CLK_CTRL_USB0_CPU_1XCLKACT	(1<<2)
121 #define   ZY7_SLCR_APER_CLK_CTRL_DMA_CPU_1XCLKACT	(1<<0)
122 #define ZY7_SLCR_USB0_CLK_CTRL		0x0130
123 #define ZY7_SLCR_USB1_CLK_CTRL		0x0134
124 #define ZY7_SLCR_GEM0_RCLK_CTRL		0x0138
125 #define ZY7_SLCR_GEM1_RCLK_CTRL		0x013c
126 #define ZY7_SLCR_GEM0_CLK_CTRL		0x0140
127 #define ZY7_SLCR_GEM1_CLK_CTRL		0x0144
128 #define   ZY7_SLCR_GEM_CLK_CTRL_DIVISOR1_MASK		(0x3f<<20)
129 #define   ZY7_SLCR_GEM_CLK_CTRL_DIVISOR1_SHIFT		20
130 #define   ZY7_SLCR_GEM_CLK_CTRL_DIVISOR1_MAX		0x3f
131 #define   ZY7_SLCR_GEM_CLK_CTRL_DIVISOR_MASK		(0x3f<<8)
132 #define   ZY7_SLCR_GEM_CLK_CTRL_DIVISOR_SHIFT		8
133 #define   ZY7_SLCR_GEM_CLK_CTRL_DIVISOR_MAX		0x3f
134 #define   ZY7_SLCR_GEM_CLK_CTRL_SRCSEL_MASK		(7<<4)
135 #define   ZY7_SLCR_GEM_CLK_CTRL_SRCSEL_IO_PLL		(0<<4)
136 #define   ZY7_SLCR_GEM_CLK_CTRL_SRCSEL_ARM_PLL		(2<<4)
137 #define   ZY7_SLCR_GEM_CLK_CTRL_SRCSEL_DDR_PLL		(3<<4)
138 #define   ZY7_SLCR_GEM_CLK_CTRL_SRCSEL_EMIO_CLK		(4<<4)
139 #define   ZY7_SLCR_GEM_CLK_CTRL_CLKACT			1
140 #define ZY7_SLCR_SMC_CLK_CTRL		0x0148
141 #define ZY7_SLCR_LQSPI_CLK_CTRL		0x014c
142 #define ZY7_SLCR_SDIO_CLK_CTRL		0x0150
143 #define ZY7_SLCR_UART_CLK_CTRL		0x0154
144 #define ZY7_SLCR_SPI_CLK_CTRL		0x0158
145 #define ZY7_SLCR_CAN_CLK_CTRL		0x015c
146 #define ZY7_SLCR_CAN_MIOCLK_CTRL	0x0160
147 #define ZY7_SLCR_DBG_CLK_CTRL		0x0164
148 #define ZY7_SLCR_PCAP_CLK_CTRL		0x0168
149 #define ZY7_SLCR_TOPSW_CLK_CTRL		0x016c	/* central intercnn clk ctrl */
150 #define ZY7_SLCR_FPGA_CLK_CTRL(unit)	(0x0170 + 0x10*(unit))
151 #define	  ZY7_SLCR_FPGA_CLK_CTRL_DIVISOR1_SHIFT	20
152 #define	  ZY7_SLCR_FPGA_CLK_CTRL_DIVISOR1_MASK	(0x3f << 20)
153 #define	  ZY7_SLCR_FPGA_CLK_CTRL_DIVISOR0_SHIFT	8
154 #define	  ZY7_SLCR_FPGA_CLK_CTRL_DIVISOR0_MASK	(0x3f << 8)
155 #define	  ZY7_SLCR_FPGA_CLK_CTRL_DIVISOR_MAX	0x3f
156 #define	  ZY7_SLCR_FPGA_CLK_CTRL_SRCSEL_SHIFT	4
157 #define	  ZY7_SLCR_FPGA_CLK_CTRL_SRCSEL_MASK	(3 << 4)
158 #define ZY7_SLCR_FPGA_THR_CTRL(unit)	(0x0174 + 0x10*(unit))
159 #define ZY7_SLCR_FPGA_THR_CTRL_CNT_RST		(1 << 1)
160 #define ZY7_SLCR_FPGA_THR_CTRL_CPU_START	(1 << 0)
161 #define ZY7_SLCR_FPGA_THR_CNT(unit)	(0x0178 + 0x10*(unit))
162 #define ZY7_SLCR_FPGA_THR_STA(unit)	(0x017c + 0x10*(unit))
163 #define ZY7_SLCR_CLK_621_TRUE		0x01c4	/* cpu clock ratio mode */
164 
165 /* Reset controls. */
166 #define ZY7_SLCR_PSS_RST_CTRL		0x0200
167 #define   ZY7_SLCR_PSS_RST_CTRL_SOFT_RESET		(1<<0)
168 #define ZY7_SLCR_DDR_RST_CTRL		0x0204
169 #define ZY7_SLCR_TOPSW_RST_CTRL		0x0208
170 #define ZY7_SLCR_DMAC_RST_CTRL		0x020c
171 #define ZY7_SLCR_USB_RST_CTRL		0x0210
172 #define ZY7_SLCR_GEM_RST_CTRL		0x0214
173 #define ZY7_SLCR_SDIO_RST_CTRL		0x0218
174 #define ZY7_SLCR_SPI_RST_CTRL		0x021c
175 #define ZY7_SLCR_CAN_RST_CTRL		0x0220
176 #define ZY7_SLCR_I2C_RST_CTRL		0x0224
177 #define ZY7_SLCR_UART_RST_CTRL		0x0228
178 #define ZY7_SLCR_GPIO_RST_CTRL		0x022c
179 #define ZY7_SLCR_LQSPI_RST_CTRL		0x0230
180 #define ZY7_SLCR_SMC_RST_CTRL		0x0234
181 #define ZY7_SLCR_OCM_RST_CTRL		0x0238
182 #define ZY7_SLCR_DEVCI_RST_CTRL		0x023c
183 #define ZY7_SLCR_FPGA_RST_CTRL		0x0240
184 #define   ZY7_SLCR_FPGA_RST_CTRL_FPGA3_OUT_RST		(1<<3)
185 #define   ZY7_SLCR_FPGA_RST_CTRL_FPGA2_OUT_RST		(1<<2)
186 #define   ZY7_SLCR_FPGA_RST_CTRL_FPGA1_OUT_RST		(1<<1)
187 #define   ZY7_SLCR_FPGA_RST_CTRL_FPGA0_OUT_RST		(1<<0)
188 #define   ZY7_SLCR_FPGA_RST_CTRL_RST_ALL		0xf
189 #define ZY7_SLCR_A9_CPU_RST_CTRL	0x0244
190 #define ZY7_SLCR_RS_AWDT_CTRL		0x024c
191 
192 #define ZY7_SLCR_REBOOT_STAT		0x0258
193 #define   ZY7_SLCR_REBOOT_STAT_STATE_MASK		(0xff<<24)
194 #define   ZY7_SLCR_REBOOT_STAT_POR			(1<<22)
195 #define   ZY7_SLCR_REBOOT_STAT_SRST_B			(1<<21)
196 #define   ZY7_SLCR_REBOOT_STAT_DBG_RST			(1<<20)
197 #define   ZY7_SLCR_REBOOT_STAT_SLC_RST			(1<<19)
198 #define   ZY7_SLCR_REBOOT_STAT_AWDT1_RST		(1<<18)
199 #define   ZY7_SLCR_REBOOT_STAT_AWDT0_RST		(1<<17)
200 #define   ZY7_SLCR_REBOOT_STAT_SWDT_RST			(1<<16)
201 #define   ZY7_SLCR_REBOOT_STAT_BOOTROM_ERR_CODE_MASK 	(0xffff)
202 #define ZY7_SLCR_BOOT_MODE		0x025c
203 #define   ZY7_SLCR_BOOT_MODE_PLL_BYPASS			(1<<4)
204 #define   ZY7_SLCR_BOOT_MODE_JTAG_INDEP			(1<<3)
205 #define   ZY7_SLCR_BOOT_MODE_BOOTDEV_MASK		7
206 #define   ZY7_SLCR_BOOT_MODE_BOOTDEV_JTAG		0
207 #define   ZY7_SLCR_BOOT_MODE_BOOTDEV_QUAD_SPI		1
208 #define   ZY7_SLCR_BOOT_MODE_BOOTDEV_NOR		2
209 #define   ZY7_SLCR_BOOT_MODE_BOOTDEV_NAND		4
210 #define   ZY7_SLCR_BOOT_MODE_BOOTDEV_SD_CARD		5
211 #define ZY7_SLCR_APU_CTRL		0x0300
212 #define ZY7_SLCR_WDT_CLK_SEL		0x0304
213 
214 #define ZY7_SLCR_PSS_IDCODE		0x0530
215 #define   ZY7_SLCR_PSS_IDCODE_REVISION_MASK		(0xf<<28)
216 #define   ZY7_SLCR_PSS_IDCODE_REVISION_SHIFT		28
217 #define   ZY7_SLCR_PSS_IDCODE_FAMILY_MASK		(0x7f<<21)
218 #define   ZY7_SLCR_PSS_IDCODE_FAMILY_SHIFT		21
219 #define   ZY7_SLCR_PSS_IDCODE_SUB_FAMILY_MASK		(0xf<<17)
220 #define   ZY7_SLCR_PSS_IDCODE_SUB_FAMILY_SHIFT		17
221 #define   ZY7_SLCR_PSS_IDCODE_DEVICE_MASK		(0x1f<<12)
222 #define   ZY7_SLCR_PSS_IDCODE_DEVICE_SHIFT		12
223 #define   ZY7_SLCR_PSS_IDCODE_MNFR_ID_MASK		(0x7ff<<1)
224 #define   ZY7_SLCR_PSS_IDCODE_MNFR_ID_SHIFT		1
225 
226 #define ZY7_SLCR_DDR_URGENT		0x0600
227 #define ZY7_SLCR_DDR_CAL_START		0x060c
228 #define ZY7_SLCR_DDR_REF_START		0x0614
229 #define ZY7_SLCR_DDR_CMD_STA		0x0618
230 #define ZY7_SLCR_DDR_URGENT_SEL		0x061c
231 #define ZY7_SLCR_DDR_DFI_STATUS		0x0620
232 
233 /* MIO Pin controls */
234 #define ZY7_SLCR_MIO_PIN(n)		(0x0700+(n)*4)		/* 0-53 */
235 #define   ZY7_SLCR_MIO_PIN_RCVR_DIS			(1<<13)
236 #define   ZY7_SLCR_MIO_PIN_PULLUP_EN			(1<<12)
237 #define   ZY7_SLCR_MIO_PIN_IO_TYPE_MASK			(7<<9)
238 #define   ZY7_SLCR_MIO_PIN_IO_TYPE_LVTTL		(0<<9)
239 #define   ZY7_SLCR_MIO_PIN_IO_TYPE_LVCMOS18		(1<<9)
240 #define   ZY7_SLCR_MIO_PIN_IO_TYPE_LVCMOS25		(2<<9)
241 #define   ZY7_SLCR_MIO_PIN_IO_TYPE_LVCMOS33		(3<<9)
242 #define   ZY7_SLCR_MIO_PIN_IO_TYPE_HSTL			(4<<9)
243 #define   ZY7_SLCR_MIO_PIN_L2_SEL_MASK			(3<<3)
244 #define   ZY7_SLCR_MIO_PIN_L2_SEL_L3_MUX		(0<<3)
245 #define   ZY7_SLCR_MIO_PIN_L2_SEL_SRAM_NOR_CS0		(1<<3)
246 #define   ZY7_SLCR_MIO_PIN_L2_SEL_NAND_CS		(2<<3)
247 #define   ZY7_SLCR_MIO_PIN_L2_SEL_SDIO0_PC		(3<<3)
248 #define   ZY7_SLCR_MIO_PIN_L1_SEL			(1<<2)
249 #define   ZY7_SLCR_MIO_PIN_L0_SEL			(1<<1)
250 #define   ZY7_SLCR_MIO_PIN_TRI_EN			(1<<0)
251 
252 #define ZY7_SLCR_MIO_LOOPBACK		0x0804
253 #define   ZY7_SLCR_MIO_LOOPBACK_I2C0_I2C1		(1<<3)
254 #define   ZY7_SLCR_MIO_LOOPBACK_CAN0_CAN1		(1<<2)
255 #define   ZY7_SLCR_MIO_LOOPBACK_UA0_UA1			(1<<1)
256 #define   ZY7_SLCR_MIO_LOOPBACK_SPI0_SPI1		(1<<0)
257 #define ZY7_SLCR_MIO_MST_TRI0		0x080c
258 #define ZY7_SLCR_MIO_MST_TRI1		0x0810
259 #define ZY7_SLCR_SD0_WP_CD_SEL		0x0830
260 #define ZY7_SLCR_SD1_WP_CD_SEL		0x0834
261 
262 /* PS-PL level shifter control. */
263 #define ZY7_SLCR_LVL_SHFTR_EN		0x900
264 #define   ZY7_SLCR_LVL_SHFTR_EN_USER_LVL_IN_EN_0	(1<<3)	/* PL to PS */
265 #define   ZY7_SLCR_LVL_SHFTR_EN_USER_LVL_OUT_EN_0	(1<<2)	/* PS to PL */
266 #define   ZY7_SLCR_LVL_SHFTR_EN_USER_LVL_IN_EN_1	(1<<1)	/* PL to PS */
267 #define   ZY7_SLCR_LVL_SHFTR_EN_USER_LVL_OUT_EN_1	(1<<0)	/* PS to PL */
268 #define   ZY7_SLCR_LVL_SHFTR_EN_ALL			0xf
269 
270 #define ZY7_SLCR_OCM_CFG		0x0910
271 
272 #define ZY7_SLCR_GPIOB_CTRL		0x0b00
273 #define ZY7_SLCR_GPIOB_CFG_CMOS18	0x0b04
274 #define ZY7_SLCR_GPIOB_CFG_CMOS25	0x0b08
275 #define ZY7_SLCR_GPIOB_CFG_CMOS33	0x0b0c
276 #define ZY7_SLCR_GPIOB_CFG_LVTTL	0x0b10
277 #define ZY7_SLCR_GPIOB_CFG_HSTL		0x0b14
278 #define ZY7_SLCR_GPIOB_DRVR_BIAS_CTRL	0x0b18
279 
280 #define ZY7_SLCR_DDRIOB_ADDR0		0x0b40
281 #define ZY7_SLCR_DDRIOB_ADDR1		0x0b44
282 #define ZY7_SLCR_DDRIOB_DATA0		0x0b48
283 #define ZY7_SLCR_DDRIOB_DATA1		0x0b4c
284 #define ZY7_SLCR_DDRIOB_DIFF0		0x0b50
285 #define ZY7_SLCR_DDRIOB_DIFF1		0x0b54
286 #define ZY7_SLCR_DDRIOB_CLK		0x0b58
287 #define ZY7_SLCR_DDRIOB_DRIVE_SLEW_ADDR	0x0b5c
288 #define ZY7_SLCR_DDRIOB_DRIVE_SLEW_DATA	0x0b60
289 #define ZY7_SLCR_DDRIOB_DRIVE_SLEW_DIFF	0x0b64
290 #define ZY7_SLCR_DDRIOB_DRIVE_SLEW_CLK 	0x0b68
291 #define ZY7_SLCR_DDRIOB_DDR_CTRL	0x0b6c
292 #define ZY7_SLCR_DDRIOB_DCI_CTRL	0x0b70
293 #define ZY7_SLCR_DDRIOB_DCI_STATUS	0x0b74
294 
295 #ifdef _KERNEL
296 extern void zy7_slcr_preload_pl(void);
297 extern void zy7_slcr_postload_pl(int en_level_shifters);
298 extern int cgem_set_ref_clk(int unit, int frequency);
299 
300 /* Should be consistent with SRCSEL field of FPGAx_CLK_CTRL */
301 #define	ZY7_PL_FCLK_SRC_IO	0
302 #define	ZY7_PL_FCLK_SRC_IO_ALT	1 /* ZY7_PL_FCLK_SRC_IO is b0x */
303 #define	ZY7_PL_FCLK_SRC_ARM	2
304 #define	ZY7_PL_FCLK_SRC_DDR	3
305 
306 int zy7_pl_fclk_set_source(int unit, int source);
307 int zy7_pl_fclk_get_source(int unit);
308 int zy7_pl_fclk_set_freq(int unit, int freq);
309 int zy7_pl_fclk_get_freq(int unit);
310 int zy7_pl_fclk_enable(int unit);
311 int zy7_pl_fclk_disable(int unit);
312 int zy7_pl_fclk_enabled(int unit);
313 int zy7_pl_level_shifters_enabled(void);
314 void zy7_pl_level_shifters_enable(void);
315 void zy7_pl_level_shifters_disable(void);
316 
317 #endif
318 #endif /* _ZY7_SLCR_H_ */
319