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      1 /* $NetBSD: wii.h,v 1.14 2026/01/09 22:54:28 jmcneill Exp $ */
      2 
      3 /*-
      4  * Copyright (c) 2024 Jared McNeill <jmcneill (at) invisible.ca>
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  *
     16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     18  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     19  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
     21  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
     22  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
     23  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
     24  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     26  * SUCH DAMAGE.
     27  */
     28 
     29 /*
     30  * Nintendo Wii platform definitions.
     31  */
     32 
     33 #ifndef _WII_H
     34 #define _WII_H
     35 
     36 #include <powerpc/pio.h>
     37 
     38 #define WII_MEM1_BASE			0x00000000
     39 #define WII_MEM1_SIZE			0x01800000	/* 24 MB */
     40 #define WII_MEM2_BASE			0x10000000
     41 #define WII_MEM2_SIZE			0x04000000	/* 64 MB */
     42 
     43 #define WII_IOMEM_BASE			0x0c000000
     44 
     45 #define GLOBAL_BASE			0x00000000
     46 #define GLOBAL_SIZE			0x00003400
     47 
     48 #define EFB_BASE			0x08000000
     49 #define EFB_SIZE			0x00300000	/* 3 MB */
     50 
     51 #define CP_BASE				0x0c000000
     52 #define CP_SIZE				0x0c000080
     53 
     54 #define PE_BASE				0x0c001000
     55 #define PE_SIZE				0x00000100
     56 
     57 #define VI_BASE				0x0c002000
     58 #define VI_SIZE				0x00000100
     59 
     60 #define PI_BASE				0x0c003000
     61 #define PI_SIZE				0x00000100
     62 
     63 #define DSP_BASE			0x0c005000
     64 #define DSP_SIZE			0x00000200
     65 
     66 #define WGPIPE_BASE			0x0c008000
     67 #define WGPIPE_SIZE			0x00000004
     68 
     69 #define SI_BASE				0x0d006400
     70 #define SI_SIZE				0x100
     71 
     72 #define EXI_BASE			0x0d006800
     73 #define EXI_SIZE			0x00000080
     74 
     75 #define AI_BASE				0x0d006c00
     76 #define AI_SIZE				0x00000020
     77 
     78 #define HOLLYWOOD_BASE			0x0d000000
     79 #define HOLLYWOOD_PRIV_BASE		0x0d800000
     80 #define HOLLYWOOD_SIZE			0x00008000
     81 
     82 #define XFB_START			0x01698000
     83 #define XFB_SIZE			0x00168000
     84 
     85 #define DSP_MEM_START			0x10000000
     86 #define DSP_MEM_SIZE			0x00004000
     87 
     88 #define IPC_START			0x133e0000
     89 #define IPC_SIZE			0x00020000
     90 
     91 #define ARM_START			0x13400000
     92 #define ARM_SIZE			0x00c00000
     93 
     94 #define WII_BUS_FREQ_HZ			243000000
     95 #define WII_CPU_FREQ_HZ			(WII_BUS_FREQ_HZ * 3)
     96 #define WII_TIMEBASE_FREQ_HZ		(WII_BUS_FREQ_HZ / 4)
     97 
     98 /* Global memory structure */
     99 #define GLOBAL_MEM1_SIZE		(GLOBAL_BASE + 0x0028)
    100 #define GLOBAL_CUR_VID_MODE		(GLOBAL_BASE + 0x00cc)
    101 #define GLOBAL_BUS_SPEED		(GLOBAL_BASE + 0x00f8)
    102 #define GLOBAL_CPU_SPEED		(GLOBAL_BASE + 0x00fc)
    103 #define GLOBAL_SYSTEM_TIME		(GLOBAL_BASE + 0x30d8)
    104 #define GLOBAL_MEM2_SIZE		(GLOBAL_BASE + 0x3118)
    105 #define GLOBAL_MEM2_AVAIL_START		(GLOBAL_BASE + 0x3124)
    106 #define GLOBAL_MEM2_AVAIL_END		(GLOBAL_BASE + 0x3128)
    107 #define GLOBAL_IOS_VERSION		(GLOBAL_BASE + 0x3140)
    108 
    109 /* Processor interface registers */
    110 #define PI_INTSR			(PI_BASE + 0x00)
    111 #define PI_INTMR			(PI_BASE + 0x04)
    112 
    113 /* GX registers */
    114 #define GX_WGPIPE			(GX_BASE + 0x00)
    115 
    116 /* Processor IRQs */
    117 #define PI_IRQ_SI			3
    118 #define PI_IRQ_EXI			4
    119 #define PI_IRQ_AI			5
    120 #define PI_IRQ_DSP			6
    121 #define PI_IRQ_VI			8
    122 #define PI_IRQ_HOLLYWOOD		14
    123 
    124 /* Hollywood registers */
    125 #define HW_IPCPPCMSG			(HOLLYWOOD_PRIV_BASE + 0x000)
    126 #define HW_IPCPPCCTRL			(HOLLYWOOD_PRIV_BASE + 0x004)
    127 #define  HW_IPCPPCCTRL_X1		__BIT(0)
    128 #define HW_VIDIM			(HOLLYWOOD_PRIV_BASE + 0x01c)
    129 #define  VIDIM_E			__BIT(7)
    130 #define  VIDIM_Y			__BITS(5,3)
    131 #define  VIDIM_C			__BITS(2,0)
    132 #define HW_PPCIRQFLAGS			(HOLLYWOOD_BASE + 0x030)
    133 #define HW_PPCIRQMASK			(HOLLYWOOD_BASE + 0x034)
    134 #define HW_ARMIRQFLAGS			(HOLLYWOOD_PRIV_BASE + 0x038)
    135 #define HW_ARMIRQMASK			(HOLLYWOOD_PRIV_BASE + 0x03c)
    136 #define HW_AHBPROT			(HOLLYWOOD_PRIV_BASE + 0x064)
    137 #define  IOPSD1EN			__BIT(24)
    138 #define  IOPSD0EN			__BIT(23)
    139 #define  IOPOH1EN			__BIT(22)
    140 #define  IOPOH0EN			__BIT(21)
    141 #define  IOPEHCEN			__BIT(20)
    142 #define  IOPAESEN			__BIT(18)
    143 #define HW_AIPPROT			(HOLLYWOOD_PRIV_BASE + 0x070)
    144 #define  ENAHBIOPI			__BIT(0)
    145 #define HW_GPIOB_OUT			(HOLLYWOOD_BASE + 0x0c0)
    146 #define HW_GPIOB_DIR			(HOLLYWOOD_BASE + 0x0c4)
    147 #define HW_GPIOB_IN			(HOLLYWOOD_BASE + 0x0c8)
    148 #define HW_GPIO_OWNER			(HOLLYWOOD_PRIV_BASE + 0x0fc)
    149 #define HW_COMPAT			(HOLLYWOOD_PRIV_BASE + 0x180)
    150 #define  DVDVIDEO			__BIT(21)
    151 #define HW_RESETS			(HOLLYWOOD_PRIV_BASE + 0x194)
    152 #define  RSTB_IOP			__BIT(23)
    153 #define  RSTB_DSP			__BIT(22)
    154 #define  RSTB_IODI			__BIT(17)
    155 #define  RSTBINB			__BIT(0)
    156 #define HW_VERSION			(HOLLYWOOD_BASE + 0x214)
    157 #define  HWVER_MASK			__BITS(7,4)
    158 #define  HWREV_MASK			__BITS(3,0)
    159 
    160 /* GPIOs */
    161 #define GPIO_SHUTDOWN			1
    162 #define GPIO_DI_SPIN			4
    163 #define GPIO_SLOT_LED			5
    164 #define GPIO_DO_EJECT			9
    165 
    166 /* HBC command line protocol */
    167 #define WII_ARGV_MAGIC			0x5f617267
    168 struct wii_argv {
    169 	uint32_t	magic;
    170 	uint32_t	cmdline;
    171 	uint32_t	length;
    172 	uint32_t	unused[3];
    173 };
    174 
    175 /* Blink the slot LED forever at the specified interval. */
    176 static inline void __dead
    177 wii_slot_led_blink(u_int interval_us)
    178 {
    179 	uint32_t val;
    180 
    181 	for (val = in32(HW_GPIOB_OUT); ; val ^= __BIT(GPIO_SLOT_LED)) {
    182 		delay(interval_us);
    183 		out32(HW_GPIOB_OUT, val);
    184 	}
    185 }
    186 
    187 /* Enable or disable the slot LED. */
    188 static inline void
    189 wii_slot_led(bool enable)
    190 {
    191 	uint32_t val;
    192 
    193 	val = in32(HW_GPIOB_OUT);
    194 	if (enable) {
    195 		val |= __BIT(GPIO_SLOT_LED);
    196 	} else {
    197 		val &= ~__BIT(GPIO_SLOT_LED);
    198 	}
    199 	out32(HW_GPIOB_OUT, val);
    200 }
    201 
    202 #endif /* !_WII_H */
    203