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Merge branch 'next' of git://git.secretlab.ca/git/linux-2.6

Browse Source 
* 'next' of git://git.secretlab.ca/git/linux-2.6: (23 commits)
  powerpc: fix up for mmu_mapin_ram api change
  powerpc: wii: allow ioremap within the memory hole
  powerpc: allow ioremap within reserved memory regions
  wii: use both mem1 and mem2 as ram
  wii: bootwrapper: add fixup to calc useable mem2
  powerpc: gamecube/wii: early debugging using usbgecko
  powerpc: reserve fixmap entries for early debug
  powerpc: wii: default config
  powerpc: wii: platform support
  powerpc: wii: hollywood interrupt controller support
  powerpc: broadway processor support
  powerpc: wii: bootwrapper bits
  powerpc: wii: device tree
  powerpc: gamecube: default config
  powerpc: gamecube: platform support
  powerpc: gamecube/wii: flipper interrupt controller support
  powerpc: gamecube/wii: udbg support for usbgecko
  powerpc: gamecube/wii: do not include PCI support
  powerpc: gamecube/wii: declare as non-coherent platforms
  powerpc: gamecube/wii: introduce GAMECUBE_COMMON
  ...

Fix up conflicts in arch/powerpc/mm/fsl_booke_mmu.c.

Hopefully even close to correctly.
This commit is contained in:
Linus Torvalds
2009-12-16 13:26:53 -08:00
parent 5fa3577b1a ae4cec4736
commit a73611b6aa
41 changed files with 5161 additions and 22 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
arch/powerpc/boot/Makefile
View File

@@ -66,7 +66,7 @@ src-wlib := string.S crt0.S crtsavres.S stdio.c main.c \
gunzip_util.c elf_util.c $(zlib) devtree.c oflib.c ofconsole.c \
4xx.c ebony.c mv64x60.c mpsc.c mv64x60_i2c.c cuboot.c bamboo.c \
cpm-serial.c stdlib.c mpc52xx-psc.c planetcore.c uartlite.c \
fsl-soc.c mpc8xx.c pq2.c
fsl-soc.c mpc8xx.c pq2.c ugecon.c
src-plat := of.c cuboot-52xx.c cuboot-824x.c cuboot-83xx.c cuboot-85xx.c holly.c \
cuboot-ebony.c cuboot-hotfoot.c treeboot-ebony.c prpmc2800.c \
ps3-head.S ps3-hvcall.S ps3.c treeboot-bamboo.c cuboot-8xx.c \
@@ -76,7 +76,8 @@ src-plat := of.c cuboot-52xx.c cuboot-824x.c cuboot-83xx.c cuboot-85xx.c holly.c
cuboot-katmai.c cuboot-rainier.c redboot-8xx.c ep8248e.c \
cuboot-warp.c cuboot-85xx-cpm2.c cuboot-yosemite.c simpleboot.c \
virtex405-head.S virtex.c redboot-83xx.c cuboot-sam440ep.c \
cuboot-acadia.c cuboot-amigaone.c cuboot-kilauea.c
cuboot-acadia.c cuboot-amigaone.c cuboot-kilauea.c \
gamecube-head.S gamecube.c wii-head.S wii.c
src-boot := $(src-wlib) $(src-plat) empty.c
src-boot := $(addprefix $(obj)/, $(src-boot))
@@ -254,6 +255,8 @@ image-$(CONFIG_KSI8560) += cuImage.ksi8560
image-$(CONFIG_STORCENTER) += cuImage.storcenter
image-$(CONFIG_MPC7448HPC2) += cuImage.mpc7448hpc2
image-$(CONFIG_PPC_C2K) += cuImage.c2k
image-$(CONFIG_GAMECUBE) += dtbImage.gamecube
image-$(CONFIG_WII) += dtbImage.wii
# Board port in arch/powerpc/platform/amigaone/Kconfig
image-$(CONFIG_AMIGAONE) += cuImage.amigaone

114
arch/powerpc/boot/dts/gamecube.dts Normal file
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@@ -0,0 +1,114 @@
/*
* arch/powerpc/boot/dts/gamecube.dts
*
* Nintendo GameCube platform device tree source
* Copyright (C) 2007-2009 The GameCube Linux Team
* Copyright (C) 2007,2008,2009 Albert Herranz
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
*/
/dts-v1/;
/ {
model = "nintendo,gamecube";
compatible = "nintendo,gamecube";
#address-cells = <1>;
#size-cells = <1>;
chosen {
bootargs = "root=/dev/gcnsda2 rootwait udbg-immortal";
};
memory {
device_type = "memory";
reg = <0x00000000 0x01800000>;
};
cpus {
#address-cells = <1>;
#size-cells = <0>;
PowerPC,gekko@0 {
device_type = "cpu";
reg = <0>;
clock-frequency = <486000000>; /* 486MHz */
bus-frequency = <162000000>; /* 162MHz core-to-bus 3x */
timebase-frequency = <40500000>; /* 162MHz / 4 */
i-cache-line-size = <32>;
d-cache-line-size = <32>;
i-cache-size = <32768>;
d-cache-size = <32768>;
};
};
/* devices contained int the flipper chipset */
flipper {
#address-cells = <1>;
#size-cells = <1>;
compatible = "nintendo,flipper";
ranges = <0x0c000000 0x0c000000 0x00010000>;
interrupt-parent = <&PIC>;
video@0c002000 {
compatible = "nintendo,flipper-vi";
reg = <0x0c002000 0x100>;
interrupts = <8>;
};
processor-interface@0c003000 {
compatible = "nintendo,flipper-pi";
reg = <0x0c003000 0x100>;
PIC: pic {
#interrupt-cells = <1>;
compatible = "nintendo,flipper-pic";
interrupt-controller;
};
};
dsp@0c005000 {
#address-cells = <1>;
#size-cells = <1>;
compatible = "nintendo,flipper-dsp";
reg = <0x0c005000 0x200>;
interrupts = <6>;
memory@0 {
compatible = "nintendo,flipper-aram";
reg = <0 0x1000000>; /* 16MB */
};
};
disk@0c006000 {
compatible = "nintendo,flipper-di";
reg = <0x0c006000 0x40>;
interrupts = <2>;
};
audio@0c006c00 {
compatible = "nintendo,flipper-ai";
reg = <0x0c006c00 0x20>;
interrupts = <6>;
};
gamepad-controller@0c006400 {
compatible = "nintendo,flipper-si";
reg = <0x0c006400 0x100>;
interrupts = <3>;
};
/* External Interface bus */
exi@0c006800 {
compatible = "nintendo,flipper-exi";
reg = <0x0c006800 0x40>;
virtual-reg = <0x0c006800>;
interrupts = <4>;
};
};
};

218
arch/powerpc/boot/dts/wii.dts Normal file
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@@ -0,0 +1,218 @@
/*
* arch/powerpc/boot/dts/wii.dts
*
* Nintendo Wii platform device tree source
* Copyright (C) 2008-2009 The GameCube Linux Team
* Copyright (C) 2008,2009 Albert Herranz
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
*/
/dts-v1/;
/*
* This is commented-out for now.
* Until a later patch is merged, the kernel can use only the first
* contiguous RAM range and will BUG() if the memreserve is outside
* that range.
*/
/*/memreserve/ 0x10000000 0x0004000;*/ /* DSP RAM */
/ {
model = "nintendo,wii";
compatible = "nintendo,wii";
#address-cells = <1>;
#size-cells = <1>;
chosen {
bootargs = "root=/dev/mmcblk0p2 rootwait udbg-immortal";
};
memory {
device_type = "memory";
reg = <0x00000000 0x01800000 /* MEM1 24MB 1T-SRAM */
0x10000000 0x04000000>; /* MEM2 64MB GDDR3 */
};
cpus {
#address-cells = <1>;
#size-cells = <0>;
PowerPC,broadway@0 {
device_type = "cpu";
reg = <0>;
clock-frequency = <729000000>; /* 729MHz */
bus-frequency = <243000000>; /* 243MHz core-to-bus 3x */
timebase-frequency = <60750000>; /* 243MHz / 4 */
i-cache-line-size = <32>;
d-cache-line-size = <32>;
i-cache-size = <32768>;
d-cache-size = <32768>;
};
};
/* devices contained in the hollywood chipset */
hollywood {
#address-cells = <1>;
#size-cells = <1>;
compatible = "nintendo,hollywood";
ranges = <0x0c000000 0x0c000000 0x01000000
0x0d000000 0x0d000000 0x00800000
0x0d800000 0x0d800000 0x00800000>;
interrupt-parent = <&PIC0>;
video@0c002000 {
compatible = "nintendo,hollywood-vi",
"nintendo,flipper-vi";
reg = <0x0c002000 0x100>;
interrupts = <8>;
};
processor-interface@0c003000 {
compatible = "nintendo,hollywood-pi",
"nintendo,flipper-pi";
reg = <0x0c003000 0x100>;
PIC0: pic0 {
#interrupt-cells = <1>;
compatible = "nintendo,flipper-pic";
interrupt-controller;
};
};
dsp@0c005000 {
#address-cells = <1>;
#size-cells = <1>;
compatible = "nintendo,hollywood-dsp",
"nintendo,flipper-dsp";
reg = <0x0c005000 0x200>;
interrupts = <6>;
};
gamepad-controller@0d006400 {
compatible = "nintendo,hollywood-si",
"nintendo,flipper-si";
reg = <0x0d006400 0x100>;
interrupts = <3>;
};
audio@0c006c00 {
compatible = "nintendo,hollywood-ai",
"nintendo,flipper-ai";
reg = <0x0d006c00 0x20>;
interrupts = <6>;
};
/* External Interface bus */
exi@0d006800 {
compatible = "nintendo,hollywood-exi",
"nintendo,flipper-exi";
reg = <0x0d006800 0x40>;
virtual-reg = <0x0d006800>;
interrupts = <4>;
};
usb@0d040000 {
compatible = "nintendo,hollywood-usb-ehci",
"usb-ehci";
reg = <0x0d040000 0x100>;
interrupts = <4>;
interrupt-parent = <&PIC1>;
};
usb@0d050000 {
compatible = "nintendo,hollywood-usb-ohci",
"usb-ohci";
reg = <0x0d050000 0x100>;
interrupts = <5>;
interrupt-parent = <&PIC1>;
};
usb@0d060000 {
compatible = "nintendo,hollywood-usb-ohci",
"usb-ohci";
reg = <0x0d060000 0x100>;
interrupts = <6>;
interrupt-parent = <&PIC1>;
};
sd@0d070000 {
compatible = "nintendo,hollywood-sdhci",
"sdhci";
reg = <0x0d070000 0x200>;
interrupts = <7>;
interrupt-parent = <&PIC1>;
};
sdio@0d080000 {
compatible = "nintendo,hollywood-sdhci",
"sdhci";
reg = <0x0d080000 0x200>;
interrupts = <8>;
interrupt-parent = <&PIC1>;
};
ipc@0d000000 {
compatible = "nintendo,hollywood-ipc";
reg = <0x0d000000 0x10>;
interrupts = <30>;
interrupt-parent = <&PIC1>;
};
PIC1: pic1@0d800030 {
#interrupt-cells = <1>;
compatible = "nintendo,hollywood-pic";
reg = <0x0d800030 0x10>;
interrupt-controller;
interrupts = <14>;
};
GPIO: gpio@0d8000c0 {
#gpio-cells = <2>;
compatible = "nintendo,hollywood-gpio";
reg = <0x0d8000c0 0x40>;
gpio-controller;
/*
* This is commented out while a standard binding
* for i2c over gpio is defined.
*/
/*
i2c-video {
#address-cells = <1>;
#size-cells = <0>;
compatible = "i2c-gpio";
gpios = <&GPIO 15 0
&GPIO 14 0>;
clock-frequency = <250000>;
no-clock-stretching;
scl-is-open-drain;
sda-is-open-drain;
sda-enforce-dir;
AVE: audio-video-encoder@70 {
compatible = "nintendo,wii-audio-video-encoder";
reg = <0x70>;
};
};
*/
};
control@0d800100 {
compatible = "nintendo,hollywood-control";
reg = <0x0d800100 0x300>;
};
disk@0d806000 {
compatible = "nintendo,hollywood-di";
reg = <0x0d806000 0x40>;
interrupts = <2>;
};
};
};

111
arch/powerpc/boot/gamecube-head.S Normal file
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@@ -0,0 +1,111 @@
/*
* arch/powerpc/boot/gamecube-head.S
*
* Nintendo GameCube bootwrapper entry.
* Copyright (C) 2004-2009 The GameCube Linux Team
* Copyright (C) 2008,2009 Albert Herranz
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
*/
#include "ppc_asm.h"
/*
* The entry code does no assumptions regarding:
* - if the data and instruction caches are enabled or not
* - if the MMU is enabled or not
*
* We enable the caches if not already enabled, enable the MMU with an
* identity mapping scheme and jump to the start code.
*/
.text
.globl _zimage_start
_zimage_start:
/* turn the MMU off */
mfmsr 9
rlwinm 9, 9, 0, ~((1<<4)|(1<<5)) /* MSR_DR|MSR_IR */
bcl 20, 31, 1f
1:
mflr 8
clrlwi 8, 8, 3 /* convert to a real address */
addi 8, 8, _mmu_off - 1b
mtsrr0 8
mtsrr1 9
rfi
_mmu_off:
/* MMU disabled */
/* setup BATs */
isync
li 8, 0
mtspr 0x210, 8 /* IBAT0U */
mtspr 0x212, 8 /* IBAT1U */
mtspr 0x214, 8 /* IBAT2U */
mtspr 0x216, 8 /* IBAT3U */
mtspr 0x218, 8 /* DBAT0U */
mtspr 0x21a, 8 /* DBAT1U */
mtspr 0x21c, 8 /* DBAT2U */
mtspr 0x21e, 8 /* DBAT3U */
li 8, 0x01ff /* first 16MiB */
li 9, 0x0002 /* rw */
mtspr 0x211, 9 /* IBAT0L */
mtspr 0x210, 8 /* IBAT0U */
mtspr 0x219, 9 /* DBAT0L */
mtspr 0x218, 8 /* DBAT0U */
lis 8, 0x0c00 /* I/O mem */
ori 8, 8, 0x3ff /* 32MiB */
lis 9, 0x0c00
ori 9, 9, 0x002a /* uncached, guarded, rw */
mtspr 0x21b, 9 /* DBAT1L */
mtspr 0x21a, 8 /* DBAT1U */
lis 8, 0x0100 /* next 8MiB */
ori 8, 8, 0x00ff /* 8MiB */
lis 9, 0x0100
ori 9, 9, 0x0002 /* rw */
mtspr 0x215, 9 /* IBAT2L */
mtspr 0x214, 8 /* IBAT2U */
mtspr 0x21d, 9 /* DBAT2L */
mtspr 0x21c, 8 /* DBAT2U */
/* enable and invalidate the caches if not already enabled */
mfspr 8, 0x3f0 /* HID0 */
andi. 0, 8, (1<<15) /* HID0_ICE */
bne 1f
ori 8, 8, (1<<15)|(1<<11) /* HID0_ICE|HID0_ICFI*/
1:
andi. 0, 8, (1<<14) /* HID0_DCE */
bne 1f
ori 8, 8, (1<<14)|(1<<10) /* HID0_DCE|HID0_DCFI*/
1:
mtspr 0x3f0, 8 /* HID0 */
isync
/* initialize arguments */
li 3, 0
li 4, 0
li 5, 0
/* turn the MMU on */
bcl 20, 31, 1f
1:
mflr 8
addi 8, 8, _mmu_on - 1b
mfmsr 9
ori 9, 9, (1<<4)|(1<<5) /* MSR_DR|MSR_IR */
mtsrr0 8
mtsrr1 9
sync
rfi
_mmu_on:
b _zimage_start_lib

35
arch/powerpc/boot/gamecube.c Normal file
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@@ -0,0 +1,35 @@
/*
* arch/powerpc/boot/gamecube.c
*
* Nintendo GameCube bootwrapper support
* Copyright (C) 2004-2009 The GameCube Linux Team
* Copyright (C) 2008,2009 Albert Herranz
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
*/
#include <stddef.h>
#include "stdio.h"
#include "types.h"
#include "io.h"
#include "ops.h"
#include "ugecon.h"
BSS_STACK(8192);
void platform_init(unsigned long r3, unsigned long r4, unsigned long r5)
{
u32 heapsize = 16*1024*1024 - (u32)_end;
simple_alloc_init(_end, heapsize, 32, 64);
fdt_init(_dtb_start);
if (ug_probe())
console_ops.write = ug_console_write;
}

147
arch/powerpc/boot/ugecon.c Normal file
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@@ -0,0 +1,147 @@
/*
* arch/powerpc/boot/ugecon.c
*
* USB Gecko bootwrapper console.
* Copyright (C) 2008-2009 The GameCube Linux Team
* Copyright (C) 2008,2009 Albert Herranz
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
*/
#include <stddef.h>
#include "stdio.h"
#include "types.h"
#include "io.h"
#include "ops.h"
#define EXI_CLK_32MHZ 5
#define EXI_CSR 0x00
#define EXI_CSR_CLKMASK (0x7<<4)
#define EXI_CSR_CLK_32MHZ (EXI_CLK_32MHZ<<4)
#define EXI_CSR_CSMASK (0x7<<7)
#define EXI_CSR_CS_0 (0x1<<7) /* Chip Select 001 */
#define EXI_CR 0x0c
#define EXI_CR_TSTART (1<<0)
#define EXI_CR_WRITE (1<<2)
#define EXI_CR_READ_WRITE (2<<2)
#define EXI_CR_TLEN(len) (((len)-1)<<4)
#define EXI_DATA 0x10
/* virtual address base for input/output, retrieved from device tree */
static void *ug_io_base;
static u32 ug_io_transaction(u32 in)
{
u32 *csr_reg = ug_io_base + EXI_CSR;
u32 *data_reg = ug_io_base + EXI_DATA;
u32 *cr_reg = ug_io_base + EXI_CR;
u32 csr, data, cr;
/* select */
csr = EXI_CSR_CLK_32MHZ | EXI_CSR_CS_0;
out_be32(csr_reg, csr);
/* read/write */
data = in;
out_be32(data_reg, data);
cr = EXI_CR_TLEN(2) | EXI_CR_READ_WRITE | EXI_CR_TSTART;
out_be32(cr_reg, cr);
while (in_be32(cr_reg) & EXI_CR_TSTART)
barrier();
/* deselect */
out_be32(csr_reg, 0);
data = in_be32(data_reg);
return data;
}
static int ug_is_txfifo_ready(void)
{
return ug_io_transaction(0xc0000000) & 0x04000000;
}
static void ug_raw_putc(char ch)
{
ug_io_transaction(0xb0000000 | (ch << 20));
}
static void ug_putc(char ch)
{
int count = 16;
if (!ug_io_base)
return;
while (!ug_is_txfifo_ready() && count--)
barrier();
if (count)
ug_raw_putc(ch);
}
void ug_console_write(const char *buf, int len)
{
char *b = (char *)buf;
while (len--) {
if (*b == '\n')
ug_putc('\r');
ug_putc(*b++);
}
}
static int ug_is_adapter_present(void)
{
if (!ug_io_base)
return 0;
return ug_io_transaction(0x90000000) == 0x04700000;
}
static void *ug_grab_exi_io_base(void)
{
u32 v;
void *devp;
devp = find_node_by_compatible(NULL, "nintendo,flipper-exi");
if (devp == NULL)
goto err_out;
if (getprop(devp, "virtual-reg", &v, sizeof(v)) != sizeof(v))
goto err_out;
return (void *)v;
err_out:
return NULL;
}
void *ug_probe(void)
{
void *exi_io_base;
int i;
exi_io_base = ug_grab_exi_io_base();
if (!exi_io_base)
return NULL;
/* look for a usbgecko on memcard slots A and B */
for (i = 0; i < 2; i++) {
ug_io_base = exi_io_base + 0x14 * i;
if (ug_is_adapter_present())
break;
}
if (i == 2)
ug_io_base = NULL;
return ug_io_base;
}

24
arch/powerpc/boot/ugecon.h Normal file
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@@ -0,0 +1,24 @@
/*
* arch/powerpc/boot/ugecon.h
*
* USB Gecko early bootwrapper console.
* Copyright (C) 2008-2009 The GameCube Linux Team
* Copyright (C) 2008,2009 Albert Herranz
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
*/
#ifndef __UGECON_H
#define __UGECON_H
extern void *ug_probe(void);
extern void ug_putc(char ch);
extern void ug_console_write(const char *buf, int len);
#endif /* __UGECON_H */

142
arch/powerpc/boot/wii-head.S Normal file
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@@ -0,0 +1,142 @@
/*
* arch/powerpc/boot/wii-head.S
*
* Nintendo Wii bootwrapper entry.
* Copyright (C) 2008-2009 The GameCube Linux Team
* Copyright (C) 2008,2009 Albert Herranz
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
*/
#include "ppc_asm.h"
/*
* The entry code does no assumptions regarding:
* - if the data and instruction caches are enabled or not
* - if the MMU is enabled or not
* - if the high BATs are enabled or not
*
* We enable the high BATs, enable the caches if not already enabled,
* enable the MMU with an identity mapping scheme and jump to the start code.
*/
.text
.globl _zimage_start
_zimage_start:
/* turn the MMU off */
mfmsr 9
rlwinm 9, 9, 0, ~((1<<4)|(1<<5)) /* MSR_DR|MSR_IR */
bcl 20, 31, 1f
1:
mflr 8
clrlwi 8, 8, 3 /* convert to a real address */
addi 8, 8, _mmu_off - 1b
mtsrr0 8
mtsrr1 9
rfi
_mmu_off:
/* MMU disabled */
/* setup BATs */
isync
li 8, 0
mtspr 0x210, 8 /* IBAT0U */
mtspr 0x212, 8 /* IBAT1U */
mtspr 0x214, 8 /* IBAT2U */
mtspr 0x216, 8 /* IBAT3U */
mtspr 0x218, 8 /* DBAT0U */
mtspr 0x21a, 8 /* DBAT1U */
mtspr 0x21c, 8 /* DBAT2U */
mtspr 0x21e, 8 /* DBAT3U */
mtspr 0x230, 8 /* IBAT4U */
mtspr 0x232, 8 /* IBAT5U */
mtspr 0x234, 8 /* IBAT6U */
mtspr 0x236, 8 /* IBAT7U */
mtspr 0x238, 8 /* DBAT4U */
mtspr 0x23a, 8 /* DBAT5U */
mtspr 0x23c, 8 /* DBAT6U */
mtspr 0x23e, 8 /* DBAT7U */
li 8, 0x01ff /* first 16MiB */
li 9, 0x0002 /* rw */
mtspr 0x211, 9 /* IBAT0L */
mtspr 0x210, 8 /* IBAT0U */
mtspr 0x219, 9 /* DBAT0L */
mtspr 0x218, 8 /* DBAT0U */
lis 8, 0x0c00 /* I/O mem */
ori 8, 8, 0x3ff /* 32MiB */
lis 9, 0x0c00
ori 9, 9, 0x002a /* uncached, guarded, rw */
mtspr 0x21b, 9 /* DBAT1L */
mtspr 0x21a, 8 /* DBAT1U */
lis 8, 0x0100 /* next 8MiB */
ori 8, 8, 0x00ff /* 8MiB */
lis 9, 0x0100
ori 9, 9, 0x0002 /* rw */
mtspr 0x215, 9 /* IBAT2L */
mtspr 0x214, 8 /* IBAT2U */
mtspr 0x21d, 9 /* DBAT2L */
mtspr 0x21c, 8 /* DBAT2U */
lis 8, 0x1000 /* MEM2 */
ori 8, 8, 0x07ff /* 64MiB */
lis 9, 0x1000
ori 9, 9, 0x0002 /* rw */
mtspr 0x216, 8 /* IBAT3U */
mtspr 0x217, 9 /* IBAT3L */
mtspr 0x21e, 8 /* DBAT3U */
mtspr 0x21f, 9 /* DBAT3L */
/* enable the high BATs */
mfspr 8, 0x3f3 /* HID4 */
oris 8, 8, 0x0200
mtspr 0x3f3, 8 /* HID4 */
/* enable and invalidate the caches if not already enabled */
mfspr 8, 0x3f0 /* HID0 */
andi. 0, 8, (1<<15) /* HID0_ICE */
bne 1f
ori 8, 8, (1<<15)|(1<<11) /* HID0_ICE|HID0_ICFI*/
1:
andi. 0, 8, (1<<14) /* HID0_DCE */
bne 1f
ori 8, 8, (1<<14)|(1<<10) /* HID0_DCE|HID0_DCFI*/
1:
mtspr 0x3f0, 8 /* HID0 */
isync
/* initialize arguments */
li 3, 0
li 4, 0
li 5, 0
/* turn the MMU on */
bcl 20, 31, 1f
1:
mflr 8
addi 8, 8, _mmu_on - 1b
mfmsr 9
ori 9, 9, (1<<4)|(1<<5) /* MSR_DR|MSR_IR */
mtsrr0 8
mtsrr1 9
sync
rfi
_mmu_on:
/* turn on the front blue led (aka: yay! we got here!) */
lis 8, 0x0d00
ori 8, 8, 0x00c0
lwz 9, 0(8)
ori 9, 9, 0x20
stw 9, 0(8)
b _zimage_start_lib

158
arch/powerpc/boot/wii.c Normal file
View File

@@ -0,0 +1,158 @@
/*
* arch/powerpc/boot/wii.c
*
* Nintendo Wii bootwrapper support
* Copyright (C) 2008-2009 The GameCube Linux Team
* Copyright (C) 2008,2009 Albert Herranz
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
*/
#include <stddef.h>
#include "stdio.h"
#include "types.h"
#include "io.h"
#include "ops.h"
#include "ugecon.h"
BSS_STACK(8192);
#define HW_REG(x) ((void *)(x))
#define EXI_CTRL HW_REG(0x0d800070)
#define EXI_CTRL_ENABLE (1<<0)
#define MEM2_TOP (0x10000000 + 64*1024*1024)
#define FIRMWARE_DEFAULT_SIZE (12*1024*1024)
struct mipc_infohdr {
char magic[3];
u8 version;
u32 mem2_boundary;
u32 ipc_in;
size_t ipc_in_size;
u32 ipc_out;
size_t ipc_out_size;
};
static int mipc_check_address(u32 pa)
{
/* only MEM2 addresses */
if (pa < 0x10000000 || pa > 0x14000000)
return -EINVAL;
return 0;
}
static struct mipc_infohdr *mipc_get_infohdr(void)
{
struct mipc_infohdr **hdrp, *hdr;
/* 'mini' header pointer is the last word of MEM2 memory */
hdrp = (struct mipc_infohdr **)0x13fffffc;
if (mipc_check_address((u32)hdrp)) {
printf("mini: invalid hdrp %08X\n", (u32)hdrp);
hdr = NULL;
goto out;
}
hdr = *hdrp;
if (mipc_check_address((u32)hdr)) {
printf("mini: invalid hdr %08X\n", (u32)hdr);
hdr = NULL;
goto out;
}
if (memcmp(hdr->magic, "IPC", 3)) {
printf("mini: invalid magic\n");
hdr = NULL;
goto out;
}
out:
return hdr;
}
static int mipc_get_mem2_boundary(u32 *mem2_boundary)
{
struct mipc_infohdr *hdr;
int error;
hdr = mipc_get_infohdr();
if (!hdr) {
error = -1;
goto out;
}
if (mipc_check_address(hdr->mem2_boundary)) {
printf("mini: invalid mem2_boundary %08X\n",
hdr->mem2_boundary);
error = -EINVAL;
goto out;
}
*mem2_boundary = hdr->mem2_boundary;
error = 0;
out:
return error;
}
static void platform_fixups(void)
{
void *mem;
u32 reg[4];
u32 mem2_boundary;
int len;
int error;
mem = finddevice("/memory");
if (!mem)
fatal("Can't find memory node\n");
/* two ranges of (address, size) words */
len = getprop(mem, "reg", reg, sizeof(reg));
if (len != sizeof(reg)) {
/* nothing to do */
goto out;
}
/* retrieve MEM2 boundary from 'mini' */
error = mipc_get_mem2_boundary(&mem2_boundary);
if (error) {
/* if that fails use a sane value */
mem2_boundary = MEM2_TOP - FIRMWARE_DEFAULT_SIZE;
}
if (mem2_boundary > reg[2] && mem2_boundary < reg[2] + reg[3]) {
reg[3] = mem2_boundary - reg[2];
printf("top of MEM2 @ %08X\n", reg[2] + reg[3]);
setprop(mem, "reg", reg, sizeof(reg));
}
out:
return;
}
void platform_init(unsigned long r3, unsigned long r4, unsigned long r5)
{
u32 heapsize = 24*1024*1024 - (u32)_end;
simple_alloc_init(_end, heapsize, 32, 64);
fdt_init(_dtb_start);
/*
* 'mini' boots the Broadway processor with EXI disabled.
* We need it enabled before probing for the USB Gecko.
*/
out_be32(EXI_CTRL, in_be32(EXI_CTRL) | EXI_CTRL_ENABLE);
if (ug_probe())
console_ops.write = ug_console_write;
platform_ops.fixups = platform_fixups;
}

4
arch/powerpc/boot/wrapper
View File

@@ -230,6 +230,10 @@ xpedite52*)
link_address='0x1400000'
platformo=$object/cuboot-85xx.o
;;
gamecube|wii)
link_address='0x600000'
platformo="$object/$platform-head.o $object/$platform.o"
;;
esac
vmz="$tmpdir/`basename \"$kernel\"`.$ext"