summaryrefslogtreecommitdiff
path: root/arch/powerpc/platforms/embedded6xx/wii.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/powerpc/platforms/embedded6xx/wii.c')
-rw-r--r--arch/powerpc/platforms/embedded6xx/wii.c87
1 files changed, 18 insertions, 69 deletions
diff --git a/arch/powerpc/platforms/embedded6xx/wii.c b/arch/powerpc/platforms/embedded6xx/wii.c
index ecf703ee3a76..cb3be6d6e339 100644
--- a/arch/powerpc/platforms/embedded6xx/wii.c
+++ b/arch/powerpc/platforms/embedded6xx/wii.c
@@ -1,15 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* arch/powerpc/platforms/embedded6xx/wii.c
*
* Nintendo Wii board-specific 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.
- *
*/
#define DRV_MODULE_NAME "wii"
#define pr_fmt(fmt) DRV_MODULE_NAME ": " fmt
@@ -18,13 +13,11 @@
#include <linux/init.h>
#include <linux/irq.h>
#include <linux/seq_file.h>
+#include <linux/of_address.h>
#include <linux/of_platform.h>
-#include <linux/memblock.h>
-#include <mm/mmu_decl.h>
#include <asm/io.h>
#include <asm/machdep.h>
-#include <asm/prom.h>
#include <asm/time.h>
#include <asm/udbg.h>
@@ -54,43 +47,6 @@
static void __iomem *hw_ctrl;
static void __iomem *hw_gpio;
-unsigned long wii_hole_start;
-unsigned long wii_hole_size;
-
-
-static int __init page_aligned(unsigned long x)
-{
- return !(x & (PAGE_SIZE-1));
-}
-
-void __init wii_memory_fixups(void)
-{
- struct memblock_region *p = memblock.memory.regions;
-
- BUG_ON(memblock.memory.cnt != 2);
- BUG_ON(!page_aligned(p[0].base) || !page_aligned(p[1].base));
-
- /* determine hole */
- wii_hole_start = ALIGN(p[0].base + p[0].size, PAGE_SIZE);
- wii_hole_size = p[1].base - wii_hole_start;
-}
-
-unsigned long __init wii_mmu_mapin_mem2(unsigned long top)
-{
- unsigned long delta, size, bl;
- unsigned long max_size = (256<<20);
-
- /* MEM2 64MB@0x10000000 */
- delta = wii_hole_start + wii_hole_size;
- size = top - delta;
- for (bl = 128<<10; bl < max_size; bl <<= 1) {
- if (bl * 2 > size)
- break;
- }
- setbat(4, PAGE_OFFSET+delta, delta, bl, PAGE_KERNEL_X);
- return delta + bl;
-}
-
static void __noreturn wii_spin(void)
{
local_irq_disable();
@@ -98,7 +54,7 @@ static void __noreturn wii_spin(void)
cpu_relax();
}
-static void __iomem *wii_ioremap_hw_regs(char *name, char *compatible)
+static void __iomem *__init wii_ioremap_hw_regs(char *name, char *compatible)
{
void __iomem *hw_regs = NULL;
struct device_node *np;
@@ -118,8 +74,8 @@ static void __iomem *wii_ioremap_hw_regs(char *name, char *compatible)
hw_regs = ioremap(res.start, resource_size(&res));
if (hw_regs) {
- pr_info("%s at 0x%08x mapped to 0x%p\n", name,
- res.start, hw_regs);
+ pr_info("%s at 0x%pa mapped to 0x%p\n", name,
+ &res.start, hw_regs);
}
out_put:
@@ -185,9 +141,6 @@ static void __init wii_pic_probe(void)
static int __init wii_probe(void)
{
- if (!of_machine_is_compatible("nintendo,wii"))
- return 0;
-
pm_power_off = wii_power_off;
ug_udbg_init();
@@ -201,19 +154,6 @@ static void wii_shutdown(void)
flipper_quiesce();
}
-define_machine(wii) {
- .name = "wii",
- .probe = wii_probe,
- .setup_arch = wii_setup_arch,
- .restart = wii_restart,
- .halt = wii_halt,
- .init_IRQ = wii_pic_probe,
- .get_irq = flipper_pic_get_irq,
- .calibrate_decr = generic_calibrate_decr,
- .progress = udbg_progress,
- .machine_shutdown = wii_shutdown,
-};
-
static const struct of_device_id wii_of_bus[] = {
{ .compatible = "nintendo,hollywood", },
{ },
@@ -221,11 +161,20 @@ static const struct of_device_id wii_of_bus[] = {
static int __init wii_device_probe(void)
{
- if (!machine_is(wii))
- return 0;
-
of_platform_populate(NULL, wii_of_bus, NULL, NULL);
return 0;
}
-device_initcall(wii_device_probe);
+machine_device_initcall(wii, wii_device_probe);
+define_machine(wii) {
+ .name = "wii",
+ .compatible = "nintendo,wii",
+ .probe = wii_probe,
+ .setup_arch = wii_setup_arch,
+ .restart = wii_restart,
+ .halt = wii_halt,
+ .init_IRQ = wii_pic_probe,
+ .get_irq = flipper_pic_get_irq,
+ .progress = udbg_progress,
+ .machine_shutdown = wii_shutdown,
+};