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author | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
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committer | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
commit | 871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch) | |
tree | 8718f573808810c2a1e8cb8fb6ac469093ca2784 /ANDROID_3.4.5/arch/powerpc/platforms/embedded6xx/wii.c | |
parent | 9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff) | |
download | FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.tar.gz FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.tar.bz2 FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.zip |
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.c | 252 |
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); - |