1 /* $NetBSD: lpssreg.h,v 1.1 2017/12/10 17:12:54 bouyer Exp $ */ 2 3 /*- 4 * Copyright (c) 2017 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Manuel Bouyer. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 /* LPSS registers, as found in several functions of Ivy Lake bridge */ 33 #define LPSS_RESET 0x204 34 #define LPSS_RESET_DMA __BIT(2) 35 #define LPSS_RESET_CTRL __BITS(1,0) 36 #define LPSS_RESET_CTRL_ASSERT 0 37 #define LPSS_RESET_CTRL_REL 0x3 38 39 #define LPSS_ACTIVELTR 0x210 40 #define LPSS_ACTIVELTR_SSCALE __BITS(12,10) 41 #define LPSS_ACTIVELTR_SSCALE_1 (0x2 << 10) 42 #define LPSS_ACTIVELTR_SSCALE_32 (0x3 << 10) 43 #define LPSS_ACTIVELTR_SVALUE __BITS(9,0) 44 45 #define LPSS_IDLELTR 0x214 46 #define LPSS_IDLELTR_SSCALE __BITS(12,10) 47 #define LPSS_IDLELTR_SSCALE_1 (0x2 << 10) 48 #define LPSS_IDLELTR_SSCALE_32 (0x3 << 10) 49 #define LPSS_IDLELTR_SVALUE __BITS(9,0) 50 51 #define LPSS_TXACK 0x218 52 #define LPSS_TXACK_OVF __BIT(31) 53 #define LPSS_TXACK_CNT __BITS(23,0) 54 55 #define LPSS_RXACK 0x21C 56 #define LPSS_RXACK_OVF __BIT(31) 57 #define LPSS_RXACK_CNT __BITS(23,0) 58 59 #define LPSS_TX_IRQ 0x220 60 #define LPSS_TX_IRQ_MSK __BIT(1) 61 #define LPSS_TX_IRQ_I __BIT(0) 62 63 #define LPSS_TX_IRQ_CLR 0x224 64 #define LPSS_TX_IRQ_CLRI __BIT(0) 65 66 #define LPSS_CLKGATE 0x238 67 #define LPSS_CLKGATE_DMA __BITS(3,2) 68 #define LPSS_CLKGATE_DMA_AUTO (0x0 << 2) 69 #define LPSS_CLKGATE_DMA_OFF (0x2 << 2) 70 #define LPSS_CLKGATE_DMA_ON (0x3 << 2) 71 #define LPSS_CLKGATE_CTRL __BITS(1,0) 72 #define LPSS_CLKGATE_CTRL_AUTO (0x0 << 0) 73 #define LPSS_CLKGATE_CTRL_OFF (0x2 << 0) 74 #define LPSS_CLKGATE_CTRL_ON (0x3 << 0) 75 76 #define LPSS_REMAP_LO 0x240 77 78 #define LPSS_REMAP_HI 0x244 79 80 #define LPSS_DEVIDLE 0x24c 81 #define LPSS_DEVIDLE_IRQ __BIT(4) 82 #define LPSS_DEVIDLE_RESTORE __BIT(3) 83 #define LPSS_DEVIDLE_IDLE __BIT(2) 84 #define LPSS_DEVIDLE_INPROG __BIT(0) 85 86 #define LPSS_CAP 0x2fc 87 #define LPSS_CAP_DMA __BIT(8) 88 #define LPSS_CAP_TYPE __BITS(7,4) 89 #define LPSS_CAP_TYPE_I2C (0x0 << 4) 90 #define LPSS_CAP_TYPE_UART (0x1 << 4) 91 #define LPSS_CAP_TYPE_SPI (0x2 << 4) 92 #define LPSS_CAP_INSTANCE __BITS(3,0) 93