mirror of
https://github.com/AetherDroid/android_kernel_samsung_on5xelte.git
synced 2025-09-08 09:08:05 -04:00
Fixed MTP to work with TWRP
This commit is contained in:
awab228
commit
f6dfaef42e
50820 changed files with 20846062 additions and 0 deletions
226
arch/arm/mach-rpc/riscpc.c
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226
arch/arm/mach-rpc/riscpc.c
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/*
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* linux/arch/arm/mach-rpc/riscpc.c
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*
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* Copyright (C) 1998-2001 Russell King
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* Architecture specific fixups.
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*/
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#include <linux/kernel.h>
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#include <linux/tty.h>
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#include <linux/delay.h>
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#include <linux/pm.h>
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#include <linux/init.h>
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#include <linux/sched.h>
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#include <linux/device.h>
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#include <linux/serial_8250.h>
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#include <linux/ata_platform.h>
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#include <linux/io.h>
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#include <linux/i2c.h>
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#include <linux/reboot.h>
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#include <asm/elf.h>
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#include <asm/mach-types.h>
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#include <mach/hardware.h>
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#include <asm/hardware/iomd.h>
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#include <asm/page.h>
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#include <asm/domain.h>
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#include <asm/setup.h>
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#include <asm/system_misc.h>
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#include <asm/mach/map.h>
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#include <asm/mach/arch.h>
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#include <asm/mach/time.h>
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extern void rpc_init_irq(void);
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unsigned int vram_size;
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unsigned int memc_ctrl_reg;
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unsigned int number_mfm_drives;
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static int __init parse_tag_acorn(const struct tag *tag)
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{
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memc_ctrl_reg = tag->u.acorn.memc_control_reg;
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number_mfm_drives = tag->u.acorn.adfsdrives;
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switch (tag->u.acorn.vram_pages) {
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case 512:
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vram_size += PAGE_SIZE * 256;
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case 256:
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vram_size += PAGE_SIZE * 256;
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default:
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break;
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}
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#if 0
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if (vram_size) {
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desc->video_start = 0x02000000;
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desc->video_end = 0x02000000 + vram_size;
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}
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#endif
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return 0;
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}
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__tagtable(ATAG_ACORN, parse_tag_acorn);
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static struct map_desc rpc_io_desc[] __initdata = {
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{ /* VRAM */
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.virtual = SCREEN_BASE,
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.pfn = __phys_to_pfn(SCREEN_START),
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.length = 2*1048576,
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.type = MT_DEVICE
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}, { /* IO space */
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.virtual = (u32)IO_BASE,
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.pfn = __phys_to_pfn(IO_START),
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.length = IO_SIZE ,
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.type = MT_DEVICE
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}, { /* EASI space */
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.virtual = (unsigned long)EASI_BASE,
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.pfn = __phys_to_pfn(EASI_START),
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.length = EASI_SIZE,
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.type = MT_DEVICE
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}
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};
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static void __init rpc_map_io(void)
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{
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iotable_init(rpc_io_desc, ARRAY_SIZE(rpc_io_desc));
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/*
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* Turn off floppy.
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*/
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writeb(0xc, PCIO_BASE + (0x3f2 << 2));
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/*
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* RiscPC can't handle half-word loads and stores
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*/
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elf_hwcap &= ~HWCAP_HALF;
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}
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static struct resource acornfb_resources[] = {
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/* VIDC */
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DEFINE_RES_MEM(0x03400000, 0x00200000),
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DEFINE_RES_IRQ(IRQ_VSYNCPULSE),
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};
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static struct platform_device acornfb_device = {
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.name = "acornfb",
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.id = -1,
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.dev = {
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.coherent_dma_mask = 0xffffffff,
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},
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.num_resources = ARRAY_SIZE(acornfb_resources),
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.resource = acornfb_resources,
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};
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static struct resource iomd_resources[] = {
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DEFINE_RES_MEM(0x03200000, 0x10000),
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};
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static struct platform_device iomd_device = {
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.name = "iomd",
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.id = -1,
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.num_resources = ARRAY_SIZE(iomd_resources),
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.resource = iomd_resources,
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};
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static struct resource iomd_kart_resources[] = {
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DEFINE_RES_IRQ(IRQ_KEYBOARDRX),
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DEFINE_RES_IRQ(IRQ_KEYBOARDTX),
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};
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static struct platform_device kbd_device = {
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.name = "kart",
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.id = -1,
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.dev = {
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.parent = &iomd_device.dev,
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},
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.num_resources = ARRAY_SIZE(iomd_kart_resources),
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.resource = iomd_kart_resources,
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};
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static struct plat_serial8250_port serial_platform_data[] = {
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{
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.mapbase = 0x03010fe0,
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.irq = IRQ_SERIALPORT,
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.uartclk = 1843200,
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.regshift = 2,
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.iotype = UPIO_MEM,
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.flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP | UPF_SKIP_TEST,
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},
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{ },
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};
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static struct platform_device serial_device = {
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.name = "serial8250",
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.id = PLAT8250_DEV_PLATFORM,
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.dev = {
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.platform_data = serial_platform_data,
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},
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};
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static struct pata_platform_info pata_platform_data = {
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.ioport_shift = 2,
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};
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static struct resource pata_resources[] = {
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DEFINE_RES_MEM(0x030107c0, 0x20),
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DEFINE_RES_MEM(0x03010fd8, 0x04),
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DEFINE_RES_IRQ(IRQ_HARDDISK),
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};
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static struct platform_device pata_device = {
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.name = "pata_platform",
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.id = -1,
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.num_resources = ARRAY_SIZE(pata_resources),
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.resource = pata_resources,
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.dev = {
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.platform_data = &pata_platform_data,
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.coherent_dma_mask = ~0, /* grumble */
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},
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};
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static struct platform_device *devs[] __initdata = {
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&iomd_device,
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&kbd_device,
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&serial_device,
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&acornfb_device,
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&pata_device,
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};
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static struct i2c_board_info i2c_rtc = {
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I2C_BOARD_INFO("pcf8583", 0x50)
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};
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static int __init rpc_init(void)
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{
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i2c_register_board_info(0, &i2c_rtc, 1);
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return platform_add_devices(devs, ARRAY_SIZE(devs));
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}
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arch_initcall(rpc_init);
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static void rpc_restart(enum reboot_mode mode, const char *cmd)
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{
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iomd_writeb(0, IOMD_ROMCR0);
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/*
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* Jump into the ROM
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*/
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soft_restart(0);
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}
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void ioc_timer_init(void);
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MACHINE_START(RISCPC, "Acorn-RiscPC")
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/* Maintainer: Russell King */
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.atag_offset = 0x100,
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.reserve_lp0 = 1,
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.reserve_lp1 = 1,
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.map_io = rpc_map_io,
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.init_irq = rpc_init_irq,
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.init_time = ioc_timer_init,
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.restart = rpc_restart,
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MACHINE_END
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