/* $NetBSD: wii.h,v 1.10 2025/02/12 11:31:04 jmcneill Exp $ */
/*-
* Copyright (c) 2024 Jared McNeill <
[email protected]>
* 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 ``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 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.
*/
/*
* Nintendo Wii platform definitions.
*/
#ifndef _WII_H
#define _WII_H
#include <powerpc/pio.h>
#define WII_MEM1_BASE 0x00000000
#define WII_MEM1_SIZE 0x01800000 /* 24 MB */
#define WII_MEM2_BASE 0x10000000
#define WII_MEM2_SIZE 0x04000000 /* 64 MB */
#define WII_IOMEM_BASE 0x0c000000
#define GLOBAL_BASE 0x00000000
#define GLOBAL_SIZE 0x00003400
#define EFB_BASE 0x08000000
#define EFB_SIZE 0x00300000 /* 3 MB */
#define BROADWAY_BASE 0x0c000000
#define BROADWAY_SIZE 0x00000004
#define CP_BASE 0x0c000000
#define CP_SIZE 0x0c000080
#define PE_BASE 0x0c001000
#define PE_SIZE 0x00000100
#define VI_BASE 0x0c002000
#define VI_SIZE 0x00000100
#define PI_BASE 0x0c003000
#define PI_SIZE 0x00000100
#define DSP_BASE 0x0c005000
#define DSP_SIZE 0x00000200
#define WGPIPE_BASE 0x0c008000
#define WGPIPE_SIZE 0x00000004
#define EXI_BASE 0x0d006800
#define EXI_SIZE 0x00000080
#define AI_BASE 0x0d006c00
#define AI_SIZE 0x00000020
#define HOLLYWOOD_BASE 0x0d000000
#define HOLLYWOOD_PRIV_BASE 0x0d800000
#define HOLLYWOOD_SIZE 0x00008000
#define XFB_START 0x01698000
#define XFB_SIZE 0x00168000
#define DSP_MEM_START 0x10000000
#define DSP_MEM_SIZE 0x00004000
#define IPC_START 0x133e0000
#define IPC_SIZE 0x00020000
#define ARM_START 0x13400000
#define ARM_SIZE 0x00c00000
#define BUS_FREQ_HZ 243000000
#define CPU_FREQ_HZ (BUS_FREQ_HZ * 3)
#define TIMEBASE_FREQ_HZ (BUS_FREQ_HZ / 4)
/* Global memory structure */
#define GLOBAL_MEM1_SIZE (GLOBAL_BASE + 0x0028)
#define GLOBAL_CUR_VID_MODE (GLOBAL_BASE + 0x00cc)
#define GLOBAL_BUS_SPEED (GLOBAL_BASE + 0x00f8)
#define GLOBAL_CPU_SPEED (GLOBAL_BASE + 0x00fc)
#define GLOBAL_SYSTEM_TIME (GLOBAL_BASE + 0x30d8)
#define GLOBAL_MEM2_SIZE (GLOBAL_BASE + 0x3118)
#define GLOBAL_MEM2_AVAIL_START (GLOBAL_BASE + 0x3124)
#define GLOBAL_MEM2_AVAIL_END (GLOBAL_BASE + 0x3128)
#define GLOBAL_IOS_VERSION (GLOBAL_BASE + 0x3140)
/* Processor interface registers */
#define PI_INTSR (PI_BASE + 0x00)
#define PI_INTMR (PI_BASE + 0x04)
/* GX registers */
#define GX_WGPIPE (GX_BASE + 0x00)
/* Processor IRQs */
#define PI_IRQ_EXI 4
#define PI_IRQ_AI 5
#define PI_IRQ_DSP 6
#define PI_IRQ_HOLLYWOOD 14
/* Hollywood registers */
#define HW_VIDIM (HOLLYWOOD_PRIV_BASE + 0x01c)
#define VIDIM_E __BIT(7)
#define VIDIM_Y __BITS(5,3)
#define VIDIM_C __BITS(2,0)
#define HW_PPCIRQFLAGS (HOLLYWOOD_BASE + 0x030)
#define HW_PPCIRQMASK (HOLLYWOOD_BASE + 0x034)
#define HW_ARMIRQFLAGS (HOLLYWOOD_PRIV_BASE + 0x038)
#define HW_ARMIRQMASK (HOLLYWOOD_PRIV_BASE + 0x03c)
#define HW_AHBPROT (HOLLYWOOD_PRIV_BASE + 0x064)
#define IOPSD1EN __BIT(24)
#define IOPSD0EN __BIT(23)
#define IOPOH1EN __BIT(22)
#define IOPOH0EN __BIT(21)
#define IOPEHCEN __BIT(20)
#define HW_AIPPROT (HOLLYWOOD_PRIV_BASE + 0x070)
#define ENAHBIOPI __BIT(0)
#define HW_GPIOB_OUT (HOLLYWOOD_BASE + 0x0c0)
#define HW_GPIOB_DIR (HOLLYWOOD_BASE + 0x0c4)
#define HW_GPIOB_IN (HOLLYWOOD_BASE + 0x0c8)
#define HW_GPIO_OWNER (HOLLYWOOD_PRIV_BASE + 0x0fc)
#define HW_COMPAT (HOLLYWOOD_PRIV_BASE + 0x180)
#define DVDVIDEO __BIT(21)
#define HW_RESETS (HOLLYWOOD_PRIV_BASE + 0x194)
#define RSTB_IOP __BIT(23)
#define RSTB_IODI __BIT(17)
#define RSTBINB __BIT(0)
#define HW_VERSION (HOLLYWOOD_BASE + 0x214)
#define HWVER_MASK __BITS(7,4)
#define HWREV_MASK __BITS(3,0)
/* GPIOs */
#define GPIO_SHUTDOWN 1
#define GPIO_DI_SPIN 4
#define GPIO_SLOT_LED 5
#define GPIO_DO_EJECT 9
/* Command line protocol */
#define WII_ARGV_MAGIC 0x5f617267
struct wii_argv {
uint32_t magic;
uint32_t cmdline;
uint32_t length;
uint32_t unused[3];
};
/* Blink the slot LED forever at the specified interval. */
static inline void __dead
wii_slot_led_blink(u_int interval_us)
{
uint32_t val;
for (val = in32(HW_GPIOB_OUT); ; val ^= __BIT(GPIO_SLOT_LED)) {
delay(interval_us);
out32(HW_GPIOB_OUT, val);
}
}
/* Enable or disable the slot LED. */
static inline void
wii_slot_led(bool enable)
{
uint32_t val;
val = in32(HW_GPIOB_OUT);
if (enable) {
val |= __BIT(GPIO_SLOT_LED);
} else {
val &= ~__BIT(GPIO_SLOT_LED);
}
out32(HW_GPIOB_OUT, val);
}
#endif /* !_WII_H */
