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authorSrikant Patnaik2015-01-11 12:28:04 +0530
committerSrikant Patnaik2015-01-11 12:28:04 +0530
commit871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch)
tree8718f573808810c2a1e8cb8fb6ac469093ca2784 /ANDROID_3.4.5/arch/powerpc/platforms/embedded6xx/wii.c
parent9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff)
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Moved, renamed, and deleted files
The original directory structure was scattered and unorganized. Changes are basically to make it look like kernel structure.
Diffstat (limited to 'ANDROID_3.4.5/arch/powerpc/platforms/embedded6xx/wii.c')
-rw-r--r--ANDROID_3.4.5/arch/powerpc/platforms/embedded6xx/wii.c252
1 files changed, 0 insertions, 252 deletions
diff --git a/ANDROID_3.4.5/arch/powerpc/platforms/embedded6xx/wii.c b/ANDROID_3.4.5/arch/powerpc/platforms/embedded6xx/wii.c
deleted file mode 100644
index 6d8dadf1..00000000
--- a/ANDROID_3.4.5/arch/powerpc/platforms/embedded6xx/wii.c
+++ /dev/null
@@ -1,252 +0,0 @@
-/*
- * 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
-
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/irq.h>
-#include <linux/seq_file.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>
-
-#include "flipper-pic.h"
-#include "hlwd-pic.h"
-#include "usbgecko_udbg.h"
-
-/* control block */
-#define HW_CTRL_COMPATIBLE "nintendo,hollywood-control"
-
-#define HW_CTRL_RESETS 0x94
-#define HW_CTRL_RESETS_SYS (1<<0)
-
-/* gpio */
-#define HW_GPIO_COMPATIBLE "nintendo,hollywood-gpio"
-
-#define HW_GPIO_BASE(idx) (idx * 0x20)
-#define HW_GPIO_OUT(idx) (HW_GPIO_BASE(idx) + 0)
-#define HW_GPIO_DIR(idx) (HW_GPIO_BASE(idx) + 4)
-
-#define HW_GPIO_SHUTDOWN (1<<1)
-#define HW_GPIO_SLOT_LED (1<<5)
-#define HW_GPIO_SENSOR_BAR (1<<8)
-
-
-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;
-
- /*
- * This is part of a workaround to allow the use of two
- * discontinuous RAM ranges on the Wii, even if this is
- * currently unsupported on 32-bit PowerPC Linux.
- *
- * We coalesce the two memory ranges of the Wii into a
- * single range, then create a reservation for the "hole"
- * between both ranges.
- */
-
- BUG_ON(memblock.memory.cnt != 2);
- BUG_ON(!page_aligned(p[0].base) || !page_aligned(p[1].base));
-
- /* trim unaligned tail */
- memblock_remove(ALIGN(p[1].base + p[1].size, PAGE_SIZE),
- (phys_addr_t)ULLONG_MAX);
-
- /* determine hole, add & reserve them */
- wii_hole_start = ALIGN(p[0].base + p[0].size, PAGE_SIZE);
- wii_hole_size = p[1].base - wii_hole_start;
- memblock_add(wii_hole_start, wii_hole_size);
- memblock_reserve(wii_hole_start, wii_hole_size);
-
- BUG_ON(memblock.memory.cnt != 1);
- __memblock_dump_all();
-
- /* allow ioremapping the address space in the hole */
- __allow_ioremap_reserved = 1;
-}
-
-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 wii_spin(void)
-{
- local_irq_disable();
- for (;;)
- cpu_relax();
-}
-
-static void __iomem *wii_ioremap_hw_regs(char *name, char *compatible)
-{
- void __iomem *hw_regs = NULL;
- struct device_node *np;
- struct resource res;
- int error = -ENODEV;
-
- np = of_find_compatible_node(NULL, NULL, compatible);
- if (!np) {
- pr_err("no compatible node found for %s\n", compatible);
- goto out;
- }
- error = of_address_to_resource(np, 0, &res);
- if (error) {
- pr_err("no valid reg found for %s\n", np->name);
- goto out_put;
- }
-
- 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);
- }
-
-out_put:
- of_node_put(np);
-out:
- return hw_regs;
-}
-
-static void __init wii_setup_arch(void)
-{
- hw_ctrl = wii_ioremap_hw_regs("hw_ctrl", HW_CTRL_COMPATIBLE);
- hw_gpio = wii_ioremap_hw_regs("hw_gpio", HW_GPIO_COMPATIBLE);
- if (hw_gpio) {
- /* turn off the front blue led and IR light */
- clrbits32(hw_gpio + HW_GPIO_OUT(0),
- HW_GPIO_SLOT_LED | HW_GPIO_SENSOR_BAR);
- }
-}
-
-static void wii_restart(char *cmd)
-{
- local_irq_disable();
-
- if (hw_ctrl) {
- /* clear the system reset pin to cause a reset */
- clrbits32(hw_ctrl + HW_CTRL_RESETS, HW_CTRL_RESETS_SYS);
- }
- wii_spin();
-}
-
-static void wii_power_off(void)
-{
- local_irq_disable();
-
- if (hw_gpio) {
- /* make sure that the poweroff GPIO is configured as output */
- setbits32(hw_gpio + HW_GPIO_DIR(1), HW_GPIO_SHUTDOWN);
-
- /* drive the poweroff GPIO high */
- setbits32(hw_gpio + HW_GPIO_OUT(1), HW_GPIO_SHUTDOWN);
- }
- wii_spin();
-}
-
-static void wii_halt(void)
-{
- if (ppc_md.restart)
- ppc_md.restart(NULL);
- wii_spin();
-}
-
-static void __init wii_init_early(void)
-{
- ug_udbg_init();
-}
-
-static void __init wii_pic_probe(void)
-{
- flipper_pic_probe();
- hlwd_pic_probe();
-}
-
-static int __init wii_probe(void)
-{
- unsigned long dt_root;
-
- dt_root = of_get_flat_dt_root();
- if (!of_flat_dt_is_compatible(dt_root, "nintendo,wii"))
- return 0;
-
- return 1;
-}
-
-static void wii_shutdown(void)
-{
- hlwd_quiesce();
- flipper_quiesce();
-}
-
-define_machine(wii) {
- .name = "wii",
- .probe = wii_probe,
- .init_early = wii_init_early,
- .setup_arch = wii_setup_arch,
- .restart = wii_restart,
- .power_off = wii_power_off,
- .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 struct of_device_id wii_of_bus[] = {
- { .compatible = "nintendo,hollywood", },
- { },
-};
-
-static int __init wii_device_probe(void)
-{
- if (!machine_is(wii))
- return 0;
-
- of_platform_bus_probe(NULL, wii_of_bus, NULL);
- return 0;
-}
-device_initcall(wii_device_probe);
-