mirror of
https://github.com/AetherDroid/android_kernel_samsung_on5xelte.git
synced 2025-09-09 17:02:46 -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
249
arch/mips/sni/a20r.c
Normal file
249
arch/mips/sni/a20r.c
Normal file
|
|
@ -0,0 +1,249 @@
|
|||
/*
|
||||
* A20R specific code
|
||||
*
|
||||
* This file is subject to the terms and conditions of the GNU General Public
|
||||
* License. See the file "COPYING" in the main directory of this archive
|
||||
* for more details.
|
||||
*
|
||||
* Copyright (C) 2006 Thomas Bogendoerfer (tsbogend@alpha.franken.de)
|
||||
*/
|
||||
|
||||
#include <linux/init.h>
|
||||
#include <linux/interrupt.h>
|
||||
#include <linux/irq.h>
|
||||
#include <linux/platform_device.h>
|
||||
#include <linux/serial_8250.h>
|
||||
|
||||
#include <asm/sni.h>
|
||||
#include <asm/time.h>
|
||||
|
||||
#define PORT(_base,_irq) \
|
||||
{ \
|
||||
.iobase = _base, \
|
||||
.irq = _irq, \
|
||||
.uartclk = 1843200, \
|
||||
.iotype = UPIO_PORT, \
|
||||
.flags = UPF_BOOT_AUTOCONF, \
|
||||
}
|
||||
|
||||
static struct plat_serial8250_port a20r_data[] = {
|
||||
PORT(0x3f8, 4),
|
||||
PORT(0x2f8, 3),
|
||||
{ },
|
||||
};
|
||||
|
||||
static struct platform_device a20r_serial8250_device = {
|
||||
.name = "serial8250",
|
||||
.id = PLAT8250_DEV_PLATFORM,
|
||||
.dev = {
|
||||
.platform_data = a20r_data,
|
||||
},
|
||||
};
|
||||
|
||||
static struct resource a20r_ds1216_rsrc[] = {
|
||||
{
|
||||
.start = 0x1c081ffc,
|
||||
.end = 0x1c081fff,
|
||||
.flags = IORESOURCE_MEM
|
||||
}
|
||||
};
|
||||
|
||||
static struct platform_device a20r_ds1216_device = {
|
||||
.name = "rtc-ds1216",
|
||||
.num_resources = ARRAY_SIZE(a20r_ds1216_rsrc),
|
||||
.resource = a20r_ds1216_rsrc
|
||||
};
|
||||
|
||||
static struct resource snirm_82596_rsrc[] = {
|
||||
{
|
||||
.start = 0x18000000,
|
||||
.end = 0x18000004,
|
||||
.flags = IORESOURCE_MEM
|
||||
},
|
||||
{
|
||||
.start = 0x18010000,
|
||||
.end = 0x18010004,
|
||||
.flags = IORESOURCE_MEM
|
||||
},
|
||||
{
|
||||
.start = 0x1ff00000,
|
||||
.end = 0x1ff00020,
|
||||
.flags = IORESOURCE_MEM
|
||||
},
|
||||
{
|
||||
.start = 22,
|
||||
.end = 22,
|
||||
.flags = IORESOURCE_IRQ
|
||||
},
|
||||
{
|
||||
.flags = 0x01 /* 16bit mpu port access */
|
||||
}
|
||||
};
|
||||
|
||||
static struct platform_device snirm_82596_pdev = {
|
||||
.name = "snirm_82596",
|
||||
.num_resources = ARRAY_SIZE(snirm_82596_rsrc),
|
||||
.resource = snirm_82596_rsrc
|
||||
};
|
||||
|
||||
static struct resource snirm_53c710_rsrc[] = {
|
||||
{
|
||||
.start = 0x19000000,
|
||||
.end = 0x190fffff,
|
||||
.flags = IORESOURCE_MEM
|
||||
},
|
||||
{
|
||||
.start = 19,
|
||||
.end = 19,
|
||||
.flags = IORESOURCE_IRQ
|
||||
}
|
||||
};
|
||||
|
||||
static struct platform_device snirm_53c710_pdev = {
|
||||
.name = "snirm_53c710",
|
||||
.num_resources = ARRAY_SIZE(snirm_53c710_rsrc),
|
||||
.resource = snirm_53c710_rsrc
|
||||
};
|
||||
|
||||
static struct resource sc26xx_rsrc[] = {
|
||||
{
|
||||
.start = 0x1c070000,
|
||||
.end = 0x1c0700ff,
|
||||
.flags = IORESOURCE_MEM
|
||||
},
|
||||
{
|
||||
.start = 20,
|
||||
.end = 20,
|
||||
.flags = IORESOURCE_IRQ
|
||||
}
|
||||
};
|
||||
|
||||
#include <linux/platform_data/serial-sccnxp.h>
|
||||
|
||||
static struct sccnxp_pdata sccnxp_data = {
|
||||
.reg_shift = 2,
|
||||
.mctrl_cfg[0] = MCTRL_SIG(DTR_OP, LINE_OP7) |
|
||||
MCTRL_SIG(RTS_OP, LINE_OP3) |
|
||||
MCTRL_SIG(DSR_IP, LINE_IP5) |
|
||||
MCTRL_SIG(DCD_IP, LINE_IP6),
|
||||
.mctrl_cfg[1] = MCTRL_SIG(DTR_OP, LINE_OP2) |
|
||||
MCTRL_SIG(RTS_OP, LINE_OP1) |
|
||||
MCTRL_SIG(DSR_IP, LINE_IP0) |
|
||||
MCTRL_SIG(CTS_IP, LINE_IP1) |
|
||||
MCTRL_SIG(DCD_IP, LINE_IP2) |
|
||||
MCTRL_SIG(RNG_IP, LINE_IP3),
|
||||
};
|
||||
|
||||
static struct platform_device sc26xx_pdev = {
|
||||
.name = "sc2681",
|
||||
.resource = sc26xx_rsrc,
|
||||
.num_resources = ARRAY_SIZE(sc26xx_rsrc),
|
||||
.dev = {
|
||||
.platform_data = &sccnxp_data,
|
||||
},
|
||||
};
|
||||
|
||||
static u32 a20r_ack_hwint(void)
|
||||
{
|
||||
u32 status = read_c0_status();
|
||||
|
||||
write_c0_status(status | 0x00010000);
|
||||
asm volatile(
|
||||
" .set push \n"
|
||||
" .set noat \n"
|
||||
" .set noreorder \n"
|
||||
" lw $1, 0(%0) \n"
|
||||
" sb $0, 0(%1) \n"
|
||||
" sync \n"
|
||||
" lb %1, 0(%1) \n"
|
||||
" b 1f \n"
|
||||
" ori %1, $1, 2 \n"
|
||||
" .align 8 \n"
|
||||
"1: \n"
|
||||
" nop \n"
|
||||
" sw %1, 0(%0) \n"
|
||||
" sync \n"
|
||||
" li %1, 0x20 \n"
|
||||
"2: \n"
|
||||
" nop \n"
|
||||
" bnez %1,2b \n"
|
||||
" addiu %1, -1 \n"
|
||||
" sw $1, 0(%0) \n"
|
||||
" sync \n"
|
||||
".set pop \n"
|
||||
:
|
||||
: "Jr" (PCIMT_UCONF), "Jr" (0xbc000000));
|
||||
write_c0_status(status);
|
||||
|
||||
return status;
|
||||
}
|
||||
|
||||
static inline void unmask_a20r_irq(struct irq_data *d)
|
||||
{
|
||||
set_c0_status(0x100 << (d->irq - SNI_A20R_IRQ_BASE));
|
||||
irq_enable_hazard();
|
||||
}
|
||||
|
||||
static inline void mask_a20r_irq(struct irq_data *d)
|
||||
{
|
||||
clear_c0_status(0x100 << (d->irq - SNI_A20R_IRQ_BASE));
|
||||
irq_disable_hazard();
|
||||
}
|
||||
|
||||
static struct irq_chip a20r_irq_type = {
|
||||
.name = "A20R",
|
||||
.irq_mask = mask_a20r_irq,
|
||||
.irq_unmask = unmask_a20r_irq,
|
||||
};
|
||||
|
||||
/*
|
||||
* hwint 0 receive all interrupts
|
||||
*/
|
||||
static void a20r_hwint(void)
|
||||
{
|
||||
u32 cause, status;
|
||||
int irq;
|
||||
|
||||
clear_c0_status(IE_IRQ0);
|
||||
status = a20r_ack_hwint();
|
||||
cause = read_c0_cause();
|
||||
|
||||
irq = ffs(((cause & status) >> 8) & 0xf8);
|
||||
if (likely(irq > 0))
|
||||
do_IRQ(SNI_A20R_IRQ_BASE + irq - 1);
|
||||
set_c0_status(IE_IRQ0);
|
||||
}
|
||||
|
||||
void __init sni_a20r_irq_init(void)
|
||||
{
|
||||
int i;
|
||||
|
||||
for (i = SNI_A20R_IRQ_BASE + 2 ; i < SNI_A20R_IRQ_BASE + 8; i++)
|
||||
irq_set_chip_and_handler(i, &a20r_irq_type, handle_level_irq);
|
||||
sni_hwint = a20r_hwint;
|
||||
change_c0_status(ST0_IM, IE_IRQ0);
|
||||
setup_irq(SNI_A20R_IRQ_BASE + 3, &sni_isa_irq);
|
||||
}
|
||||
|
||||
void sni_a20r_init(void)
|
||||
{
|
||||
/* FIXME, remove if not needed */
|
||||
}
|
||||
|
||||
static int __init snirm_a20r_setup_devinit(void)
|
||||
{
|
||||
switch (sni_brd_type) {
|
||||
case SNI_BRD_TOWER_OASIC:
|
||||
case SNI_BRD_MINITOWER:
|
||||
platform_device_register(&snirm_82596_pdev);
|
||||
platform_device_register(&snirm_53c710_pdev);
|
||||
platform_device_register(&sc26xx_pdev);
|
||||
platform_device_register(&a20r_serial8250_device);
|
||||
platform_device_register(&a20r_ds1216_device);
|
||||
sni_eisa_root_init();
|
||||
break;
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
device_initcall(snirm_a20r_setup_devinit);
|
||||
Loading…
Add table
Add a link
Reference in a new issue